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@@ -1121,7 +1121,7 @@ class RTCTrainer(object):
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self.train_transform, self.trans_cfg = build_transform(
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args=self.args, trans_config=self.trans_cfg, max_stride=self.model_cfg['max_stride'], is_train=True)
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self.train_loader.dataset.transform = self.train_transform
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-
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+
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## Real-time DETR Trainer
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class RTDetrTrainer(object):
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def __init__(self, args, data_cfg, model_cfg, trans_cfg, device, model, criterion, world_size):
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@@ -1135,6 +1135,7 @@ class RTDetrTrainer(object):
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self.grad_accumulate = args.grad_accumulate
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self.clip_grad = 0.1
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self.heavy_eval = False
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+ self.normalize_bbox = True
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# close AMP for RT-DETR
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self.args.fp16 = False
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# weak augmentatino stage
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@@ -1316,7 +1317,7 @@ class RTDetrTrainer(object):
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# Visualize train targets
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if self.args.vis_tgt:
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targets = self.box_cxcywh_to_xyxy(targets)
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- vis_data(images, targets, normalized_bbox=True,
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+ vis_data(images, targets, normalized_bbox=self.normalize_bbox,
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pixel_mean=self.trans_cfg['pixel_mean'], pixel_std=self.trans_cfg['pixel_std'])
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targets = self.box_xyxy_to_cxcywh(targets)
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@@ -1374,9 +1375,10 @@ class RTDetrTrainer(object):
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tgt_boxes_wh = boxes[..., 2:] - boxes[..., :2]
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min_tgt_size = torch.min(tgt_boxes_wh, dim=-1)[0]
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keep = (min_tgt_size >= min_box_size)
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- # normalize box
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- boxes[:, [0, 2]] = boxes[:, [0, 2]] / img_size
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- boxes[:, [1, 3]] = boxes[:, [1, 3]] / img_size
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+ if self.normalize_bbox:
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+ # normalize box
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+ boxes[:, [0, 2]] = boxes[:, [0, 2]] / img_size
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+ boxes[:, [1, 3]] = boxes[:, [1, 3]] / img_size
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tgt["boxes"] = boxes[keep]
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tgt["labels"] = labels[keep]
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@@ -1415,9 +1417,10 @@ class RTDetrTrainer(object):
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tgt_boxes_wh = boxes[..., 2:] - boxes[..., :2]
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min_tgt_size = torch.min(tgt_boxes_wh, dim=-1)[0]
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keep = (min_tgt_size >= min_box_size)
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- # normalize box
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- boxes[:, [0, 2]] = boxes[:, [0, 2]] / new_img_size
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- boxes[:, [1, 3]] = boxes[:, [1, 3]] / new_img_size
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+ if self.normalize_bbox:
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+ # normalize box
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+ boxes[:, [0, 2]] = boxes[:, [0, 2]] / new_img_size
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+ boxes[:, [1, 3]] = boxes[:, [1, 3]] / new_img_size
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tgt["boxes"] = boxes[keep]
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tgt["labels"] = labels[keep]
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@@ -1485,159 +1488,29 @@ class RTDetrTrainer(object):
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self.train_transform.set_weak_augment()
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self.train_loader.dataset.transform = self.train_transform
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-
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+
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## Real-time PlainDETR Trainer
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-class RTPDetrTrainer(object):
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+class RTPDetrTrainer(RTDetrTrainer):
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def __init__(self, args, data_cfg, model_cfg, trans_cfg, device, model, criterion, world_size):
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+ super().__init__(args, data_cfg, model_cfg, trans_cfg, device, model, criterion, world_size)
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# ------------------- Basic parameters -------------------
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- self.args = args
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- self.epoch = 0
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- self.best_map = -1.
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- self.device = device
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- self.criterion = criterion
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- self.world_size = world_size
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- self.grad_accumulate = args.grad_accumulate
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- self.clip_grad = 0.1
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- self.heavy_eval = False
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- # close AMP for RT-DETR
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- self.args.fp16 = False
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- # weak augmentatino stage
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- self.second_stage = False
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- self.second_stage_epoch = -1
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- # path to save model
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- self.path_to_save = os.path.join(args.save_folder, args.dataset, args.model)
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- os.makedirs(self.path_to_save, exist_ok=True)
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-
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- # ---------------------------- Hyperparameters refer to RTMDet ----------------------------
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- self.optimizer_dict = {'optimizer': 'adamw', 'momentum': None, 'weight_decay': 1e-4, 'lr0': 0.0001, 'backbone_lr_ratio': 0.1}
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- self.lr_schedule_dict = {'scheduler': 'cosine', 'lrf': 0.1, 'warmup_iters': 2000} # no lr decay
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- self.ema_dict = {'ema_decay': 0.9999, 'ema_tau': 2000}
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-
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- # ---------------------------- Build Dataset & Model & Trans. Config ----------------------------
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- self.data_cfg = data_cfg
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- self.model_cfg = model_cfg
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- self.trans_cfg = trans_cfg
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-
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- # ---------------------------- Build Transform ----------------------------
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- self.train_transform, self.trans_cfg = build_transform(
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- args=args, trans_config=self.trans_cfg, max_stride=self.model_cfg['max_stride'], is_train=True)
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- self.val_transform, _ = build_transform(
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- args=args, trans_config=self.trans_cfg, max_stride=self.model_cfg['max_stride'], is_train=False)
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- if self.trans_cfg["mosaic_prob"] > 0.5:
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- self.second_stage_epoch = 5
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-
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- # ---------------------------- Build Dataset & Dataloader ----------------------------
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- self.dataset, self.dataset_info = build_dataset(args, self.data_cfg, self.trans_cfg, self.train_transform, is_train=True)
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- self.train_loader = build_dataloader(args, self.dataset, self.args.batch_size // self.world_size, CollateFunc())
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-
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- # ---------------------------- Build Evaluator ----------------------------
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- self.evaluator = build_evluator(args, self.data_cfg, self.val_transform, self.device)
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-
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- # ---------------------------- Build Grad. Scaler ----------------------------
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- self.scaler = torch.cuda.amp.GradScaler(enabled=args.fp16)
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+ ## Reset optimzier hyper-parameters
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+ self.optimizer_dict = {'optimizer': 'adamw', 'momentum': None, 'weight_decay': 0.05, 'lr0': 0.0002, 'backbone_lr_ratio': 0.1}
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+ self.lr_schedule_dict = {'scheduler': 'cosine', 'lrf': 1.0, 'warmup_iters': 1000} # no lr decay
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+ self.normalize_bbox = False
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# ---------------------------- Build Optimizer ----------------------------
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+ print("- Re-build oprimizer")
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self.optimizer_dict['lr0'] *= self.args.batch_size / 16. # auto lr scaling
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self.optimizer, self.start_epoch = build_rtdetr_optimizer(self.optimizer_dict, model, self.args.resume)
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# ---------------------------- Build LR Scheduler ----------------------------
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+ print("- Re-build lr scheduler")
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self.lr_scheduler, self.lf = build_lr_scheduler(self.lr_schedule_dict, self.optimizer, args.max_epoch)
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self.lr_scheduler.last_epoch = self.start_epoch - 1 # do not move
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if self.args.resume and self.args.resume != 'None':
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self.lr_scheduler.step()
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- # ---------------------------- Build Model-EMA ----------------------------
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- if self.args.ema and distributed_utils.get_rank() in [-1, 0]:
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- print('Build ModelEMA ...')
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- self.model_ema = ModelEMA(self.ema_dict, model, self.start_epoch * len(self.train_loader))
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- else:
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- self.model_ema = None
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-
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- def train(self, model):
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- for epoch in range(self.start_epoch, self.args.max_epoch):
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- if self.args.distributed:
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- self.train_loader.batch_sampler.sampler.set_epoch(epoch)
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-
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- # check second stage
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- if epoch >= (self.args.max_epoch - self.second_stage_epoch - 1) and not self.second_stage:
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- self.check_second_stage()
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- # save model of the last mosaic epoch
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- weight_name = '{}_last_mosaic_epoch.pth'.format(self.args.model)
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- checkpoint_path = os.path.join(self.path_to_save, weight_name)
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- print('Saving state of the last Mosaic epoch-{}.'.format(self.epoch))
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- torch.save({'model': model.state_dict(),
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- 'mAP': round(self.evaluator.map*100, 1),
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- 'optimizer': self.optimizer.state_dict(),
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- 'epoch': self.epoch,
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- 'args': self.args},
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- checkpoint_path)
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-
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- # train one epoch
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- self.epoch = epoch
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- self.train_one_epoch(model)
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-
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- # eval one epoch
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- if self.heavy_eval:
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- model_eval = model.module if self.args.distributed else model
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- self.eval(model_eval)
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- else:
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- model_eval = model.module if self.args.distributed else model
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- if (epoch % self.args.eval_epoch) == 0 or (epoch == self.args.max_epoch - 1):
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- self.eval(model_eval)
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-
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- if self.args.debug:
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- print("For debug mode, we only train 1 epoch")
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- break
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-
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- def eval(self, model):
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- # chech model
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- model_eval = model if self.model_ema is None else self.model_ema.ema
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-
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- if distributed_utils.is_main_process():
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- # check evaluator
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- if self.evaluator is None:
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- print('No evaluator ... save model and go on training.')
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- print('Saving state, epoch: {}'.format(self.epoch))
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- weight_name = '{}_no_eval.pth'.format(self.args.model)
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- checkpoint_path = os.path.join(self.path_to_save, weight_name)
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- torch.save({'model': model_eval.state_dict(),
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- 'mAP': -1.,
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- 'optimizer': self.optimizer.state_dict(),
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- 'epoch': self.epoch,
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- 'args': self.args},
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- checkpoint_path)
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- else:
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- print('eval ...')
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- # set eval mode
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- model_eval.eval()
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-
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- # evaluate
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- with torch.no_grad():
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- self.evaluator.evaluate(model_eval)
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-
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- # save model
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- cur_map = self.evaluator.map
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- if cur_map > self.best_map:
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- # update best-map
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- self.best_map = cur_map
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- # save model
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- print('Saving state, epoch:', self.epoch)
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- weight_name = '{}_best.pth'.format(self.args.model)
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- checkpoint_path = os.path.join(self.path_to_save, weight_name)
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- torch.save({'model': model_eval.state_dict(),
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- 'mAP': round(self.best_map*100, 1),
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- 'optimizer': self.optimizer.state_dict(),
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- 'epoch': self.epoch,
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- 'args': self.args},
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- checkpoint_path)
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-
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- # set train mode.
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- model_eval.train()
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-
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- if self.args.distributed:
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- # wait for all processes to synchronize
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- dist.barrier()
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-
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def train_one_epoch(self, model):
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metric_logger = MetricLogger(delimiter=" ")
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metric_logger.add_meter('lr', SmoothedValue(window_size=1, fmt='{value:.6f}'))
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@@ -1685,18 +1558,12 @@ class RTPDetrTrainer(object):
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outputs = model(images)
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# Compute loss
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loss_dict = self.criterion(outputs, targets)
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- loss_weight_dict = self.criterion.weight_dict
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- losses = sum(loss_dict[k] * loss_weight_dict[k] for k in loss_dict.keys() if k in loss_weight_dict)
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-
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+ losses = sum(loss_dict.values())
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# Grad Accumulate
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if self.grad_accumulate > 1:
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losses /= self.grad_accumulate
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- # Reduce losses over all GPUs for logging purposes
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loss_dict_reduced = distributed_utils.reduce_dict(loss_dict)
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- loss_dict_reduced_scaled = {k: v * loss_weight_dict[k] for k, v in loss_dict_reduced.items() if k in loss_weight_dict}
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- losses_reduced_scaled = sum(loss_dict_reduced_scaled.values())
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- loss_value = losses_reduced_scaled.item()
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# Backward
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self.scaler.scale(losses).backward()
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@@ -1718,7 +1585,7 @@ class RTPDetrTrainer(object):
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self.model_ema.update(model)
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# Update log
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- metric_logger.update(loss=loss_value, **loss_dict_reduced_scaled)
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+ metric_logger.update(loss=losses.item(), **loss_dict_reduced)
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metric_logger.update(lr=self.optimizer.param_groups[2]["lr"])
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metric_logger.update(grad_norm=grad_norm)
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metric_logger.update(size=img_size)
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@@ -1731,120 +1598,366 @@ class RTPDetrTrainer(object):
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if not self.second_stage:
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self.lr_scheduler.step()
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- def refine_targets(self, img_size, targets, min_box_size):
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- # rescale targets
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- for tgt in targets:
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- boxes = tgt["boxes"].clone()
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- labels = tgt["labels"].clone()
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- # refine tgt
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- tgt_boxes_wh = boxes[..., 2:] - boxes[..., :2]
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- min_tgt_size = torch.min(tgt_boxes_wh, dim=-1)[0]
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- keep = (min_tgt_size >= min_box_size)
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- tgt["boxes"] = boxes[keep]
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- tgt["labels"] = labels[keep]
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+# ## Real-time PlainDETR Trainer
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+# class RTPDetrTrainer(object):
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+# def __init__(self, args, data_cfg, model_cfg, trans_cfg, device, model, criterion, world_size):
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+# # ------------------- Basic parameters -------------------
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+# self.args = args
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+# self.epoch = 0
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+# self.best_map = -1.
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+# self.device = device
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+# self.criterion = criterion
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+# self.world_size = world_size
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+# self.grad_accumulate = args.grad_accumulate
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+# self.clip_grad = 0.1
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+# self.heavy_eval = False
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+# # close AMP for RT-DETR
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+# self.args.fp16 = False
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+# # weak augmentatino stage
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+# self.second_stage = False
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+# self.second_stage_epoch = -1
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+# # path to save model
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+# self.path_to_save = os.path.join(args.save_folder, args.dataset, args.model)
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+# os.makedirs(self.path_to_save, exist_ok=True)
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+
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+# # ---------------------------- Hyperparameters refer to RTMDet ----------------------------
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+# self.optimizer_dict = {'optimizer': 'adamw', 'momentum': None, 'weight_decay': 1e-4, 'lr0': 0.0001, 'backbone_lr_ratio': 0.1}
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+# self.lr_schedule_dict = {'scheduler': 'cosine', 'lrf': 0.1, 'warmup_iters': 2000} # no lr decay
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+# self.ema_dict = {'ema_decay': 0.9999, 'ema_tau': 2000}
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+
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+# # ---------------------------- Build Dataset & Model & Trans. Config ----------------------------
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+# self.data_cfg = data_cfg
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+# self.model_cfg = model_cfg
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+# self.trans_cfg = trans_cfg
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+
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+# # ---------------------------- Build Transform ----------------------------
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+# self.train_transform, self.trans_cfg = build_transform(
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+# args=args, trans_config=self.trans_cfg, max_stride=self.model_cfg['max_stride'], is_train=True)
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+# self.val_transform, _ = build_transform(
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+# args=args, trans_config=self.trans_cfg, max_stride=self.model_cfg['max_stride'], is_train=False)
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+# if self.trans_cfg["mosaic_prob"] > 0.5:
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+# self.second_stage_epoch = 5
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+
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+# # ---------------------------- Build Dataset & Dataloader ----------------------------
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+# self.dataset, self.dataset_info = build_dataset(args, self.data_cfg, self.trans_cfg, self.train_transform, is_train=True)
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+# self.train_loader = build_dataloader(args, self.dataset, self.args.batch_size // self.world_size, CollateFunc())
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+
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+# # ---------------------------- Build Evaluator ----------------------------
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+# self.evaluator = build_evluator(args, self.data_cfg, self.val_transform, self.device)
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+
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+# # ---------------------------- Build Grad. Scaler ----------------------------
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+# self.scaler = torch.cuda.amp.GradScaler(enabled=args.fp16)
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+
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+# # ---------------------------- Build Optimizer ----------------------------
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+# self.optimizer_dict['lr0'] *= self.args.batch_size / 16. # auto lr scaling
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+# self.optimizer, self.start_epoch = build_rtdetr_optimizer(self.optimizer_dict, model, self.args.resume)
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+
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+# # ---------------------------- Build LR Scheduler ----------------------------
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+# self.lr_scheduler, self.lf = build_lr_scheduler(self.lr_schedule_dict, self.optimizer, args.max_epoch)
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+# self.lr_scheduler.last_epoch = self.start_epoch - 1 # do not move
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+# if self.args.resume and self.args.resume != 'None':
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+# self.lr_scheduler.step()
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+
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+# # ---------------------------- Build Model-EMA ----------------------------
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+# if self.args.ema and distributed_utils.get_rank() in [-1, 0]:
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+# print('Build ModelEMA ...')
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+# self.model_ema = ModelEMA(self.ema_dict, model, self.start_epoch * len(self.train_loader))
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+# else:
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+# self.model_ema = None
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+
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+# def train(self, model):
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+# for epoch in range(self.start_epoch, self.args.max_epoch):
|
|
|
+# if self.args.distributed:
|
|
|
+# self.train_loader.batch_sampler.sampler.set_epoch(epoch)
|
|
|
+
|
|
|
+# # check second stage
|
|
|
+# if epoch >= (self.args.max_epoch - self.second_stage_epoch - 1) and not self.second_stage:
|
|
|
+# self.check_second_stage()
|
|
|
+# # save model of the last mosaic epoch
|
|
|
+# weight_name = '{}_last_mosaic_epoch.pth'.format(self.args.model)
|
|
|
+# checkpoint_path = os.path.join(self.path_to_save, weight_name)
|
|
|
+# print('Saving state of the last Mosaic epoch-{}.'.format(self.epoch))
|
|
|
+# torch.save({'model': model.state_dict(),
|
|
|
+# 'mAP': round(self.evaluator.map*100, 1),
|
|
|
+# 'optimizer': self.optimizer.state_dict(),
|
|
|
+# 'epoch': self.epoch,
|
|
|
+# 'args': self.args},
|
|
|
+# checkpoint_path)
|
|
|
+
|
|
|
+# # train one epoch
|
|
|
+# self.epoch = epoch
|
|
|
+# self.train_one_epoch(model)
|
|
|
+
|
|
|
+# # eval one epoch
|
|
|
+# if self.heavy_eval:
|
|
|
+# model_eval = model.module if self.args.distributed else model
|
|
|
+# self.eval(model_eval)
|
|
|
+# else:
|
|
|
+# model_eval = model.module if self.args.distributed else model
|
|
|
+# if (epoch % self.args.eval_epoch) == 0 or (epoch == self.args.max_epoch - 1):
|
|
|
+# self.eval(model_eval)
|
|
|
+
|
|
|
+# if self.args.debug:
|
|
|
+# print("For debug mode, we only train 1 epoch")
|
|
|
+# break
|
|
|
+
|
|
|
+# def eval(self, model):
|
|
|
+# # chech model
|
|
|
+# model_eval = model if self.model_ema is None else self.model_ema.ema
|
|
|
+
|
|
|
+# if distributed_utils.is_main_process():
|
|
|
+# # check evaluator
|
|
|
+# if self.evaluator is None:
|
|
|
+# print('No evaluator ... save model and go on training.')
|
|
|
+# print('Saving state, epoch: {}'.format(self.epoch))
|
|
|
+# weight_name = '{}_no_eval.pth'.format(self.args.model)
|
|
|
+# checkpoint_path = os.path.join(self.path_to_save, weight_name)
|
|
|
+# torch.save({'model': model_eval.state_dict(),
|
|
|
+# 'mAP': -1.,
|
|
|
+# 'optimizer': self.optimizer.state_dict(),
|
|
|
+# 'epoch': self.epoch,
|
|
|
+# 'args': self.args},
|
|
|
+# checkpoint_path)
|
|
|
+# else:
|
|
|
+# print('eval ...')
|
|
|
+# # set eval mode
|
|
|
+# model_eval.eval()
|
|
|
+
|
|
|
+# # evaluate
|
|
|
+# with torch.no_grad():
|
|
|
+# self.evaluator.evaluate(model_eval)
|
|
|
+
|
|
|
+# # save model
|
|
|
+# cur_map = self.evaluator.map
|
|
|
+# if cur_map > self.best_map:
|
|
|
+# # update best-map
|
|
|
+# self.best_map = cur_map
|
|
|
+# # save model
|
|
|
+# print('Saving state, epoch:', self.epoch)
|
|
|
+# weight_name = '{}_best.pth'.format(self.args.model)
|
|
|
+# checkpoint_path = os.path.join(self.path_to_save, weight_name)
|
|
|
+# torch.save({'model': model_eval.state_dict(),
|
|
|
+# 'mAP': round(self.best_map*100, 1),
|
|
|
+# 'optimizer': self.optimizer.state_dict(),
|
|
|
+# 'epoch': self.epoch,
|
|
|
+# 'args': self.args},
|
|
|
+# checkpoint_path)
|
|
|
+
|
|
|
+# # set train mode.
|
|
|
+# model_eval.train()
|
|
|
+
|
|
|
+# if self.args.distributed:
|
|
|
+# # wait for all processes to synchronize
|
|
|
+# dist.barrier()
|
|
|
+
|
|
|
+# def train_one_epoch(self, model):
|
|
|
+# metric_logger = MetricLogger(delimiter=" ")
|
|
|
+# metric_logger.add_meter('lr', SmoothedValue(window_size=1, fmt='{value:.6f}'))
|
|
|
+# metric_logger.add_meter('size', SmoothedValue(window_size=1, fmt='{value:d}'))
|
|
|
+# metric_logger.add_meter('grad_norm', SmoothedValue(window_size=1, fmt='{value:.1f}'))
|
|
|
+# header = 'Epoch: [{} / {}]'.format(self.epoch, self.args.max_epoch)
|
|
|
+# epoch_size = len(self.train_loader)
|
|
|
+# print_freq = 10
|
|
|
+
|
|
|
+# # basic parameters
|
|
|
+# epoch_size = len(self.train_loader)
|
|
|
+# img_size = self.args.img_size
|
|
|
+# nw = self.lr_schedule_dict['warmup_iters']
|
|
|
+
|
|
|
+# # Train one epoch
|
|
|
+# for iter_i, (images, targets) in enumerate(metric_logger.log_every(self.train_loader, print_freq, header)):
|
|
|
+# ni = iter_i + self.epoch * epoch_size
|
|
|
+# # Warmup
|
|
|
+# if ni <= nw:
|
|
|
+# xi = [0, nw] # x interp
|
|
|
+# for x in self.optimizer.param_groups:
|
|
|
+# x['lr'] = np.interp(ni, xi, [0.0, x['initial_lr'] * self.lf(self.epoch)])
|
|
|
+
|
|
|
+# # To device
|
|
|
+# images = images.to(self.device, non_blocking=True).float()
|
|
|
+
|
|
|
+# # Multi scale
|
|
|
+# if self.args.multi_scale:
|
|
|
+# images, targets, img_size = self.rescale_image_targets(
|
|
|
+# images, targets, self.model_cfg['max_stride'], self.args.min_box_size, self.model_cfg['multi_scale'])
|
|
|
+# else:
|
|
|
+# targets = self.refine_targets(targets, self.args.min_box_size)
|
|
|
+
|
|
|
+# # xyxy -> cxcywh
|
|
|
+# targets = self.box_xyxy_to_cxcywh(targets)
|
|
|
+
|
|
|
+# # Visualize train targets
|
|
|
+# if self.args.vis_tgt:
|
|
|
+# targets = self.box_cxcywh_to_xyxy(targets)
|
|
|
+# vis_data(images, targets, pixel_mean=self.trans_cfg['pixel_mean'], pixel_std=self.trans_cfg['pixel_std'])
|
|
|
+# targets = self.box_xyxy_to_cxcywh(targets)
|
|
|
+
|
|
|
+# # Inference
|
|
|
+# with torch.cuda.amp.autocast(enabled=self.args.fp16):
|
|
|
+# outputs = model(images)
|
|
|
+# # Compute loss
|
|
|
+# loss_dict = self.criterion(outputs, targets)
|
|
|
+# loss_weight_dict = self.criterion.weight_dict
|
|
|
+# losses = sum(loss_dict[k] * loss_weight_dict[k] for k in loss_dict.keys() if k in loss_weight_dict)
|
|
|
+
|
|
|
+# # Grad Accumulate
|
|
|
+# if self.grad_accumulate > 1:
|
|
|
+# losses /= self.grad_accumulate
|
|
|
+
|
|
|
+# # Reduce losses over all GPUs for logging purposes
|
|
|
+# loss_dict_reduced = distributed_utils.reduce_dict(loss_dict)
|
|
|
+# loss_dict_reduced_scaled = {k: v * loss_weight_dict[k] for k, v in loss_dict_reduced.items() if k in loss_weight_dict}
|
|
|
+# losses_reduced_scaled = sum(loss_dict_reduced_scaled.values())
|
|
|
+# loss_value = losses_reduced_scaled.item()
|
|
|
+
|
|
|
+# # Backward
|
|
|
+# self.scaler.scale(losses).backward()
|
|
|
+
|
|
|
+# # Optimize
|
|
|
+# if ni % self.grad_accumulate == 0:
|
|
|
+# grad_norm = None
|
|
|
+# if self.clip_grad > 0:
|
|
|
+# # unscale gradients
|
|
|
+# self.scaler.unscale_(self.optimizer)
|
|
|
+# # clip gradients
|
|
|
+# grad_norm = torch.nn.utils.clip_grad_norm_(model.parameters(), max_norm=self.clip_grad)
|
|
|
+# # optimizer.step
|
|
|
+# self.scaler.step(self.optimizer)
|
|
|
+# self.scaler.update()
|
|
|
+# self.optimizer.zero_grad()
|
|
|
+# # ema
|
|
|
+# if self.model_ema is not None:
|
|
|
+# self.model_ema.update(model)
|
|
|
+
|
|
|
+# # Update log
|
|
|
+# metric_logger.update(loss=loss_value, **loss_dict_reduced_scaled)
|
|
|
+# metric_logger.update(lr=self.optimizer.param_groups[2]["lr"])
|
|
|
+# metric_logger.update(grad_norm=grad_norm)
|
|
|
+# metric_logger.update(size=img_size)
|
|
|
+
|
|
|
+# if self.args.debug:
|
|
|
+# print("For debug mode, we only train 1 iteration")
|
|
|
+# break
|
|
|
+
|
|
|
+# # LR Schedule
|
|
|
+# if not self.second_stage:
|
|
|
+# self.lr_scheduler.step()
|
|
|
|
|
|
- return targets
|
|
|
-
|
|
|
- def rescale_image_targets(self, images, targets, stride, min_box_size, multi_scale_range=[0.5, 1.5]):
|
|
|
- """
|
|
|
- Deployed for Multi scale trick.
|
|
|
- """
|
|
|
- if isinstance(stride, int):
|
|
|
- max_stride = stride
|
|
|
- elif isinstance(stride, list):
|
|
|
- max_stride = max(stride)
|
|
|
-
|
|
|
- # During training phase, the shape of input image is square.
|
|
|
- old_img_size = images.shape[-1]
|
|
|
- new_img_size = random.randrange(old_img_size * multi_scale_range[0], old_img_size * multi_scale_range[1] + max_stride)
|
|
|
- new_img_size = new_img_size // max_stride * max_stride # size
|
|
|
- if new_img_size / old_img_size != 1:
|
|
|
- # interpolate
|
|
|
- images = torch.nn.functional.interpolate(
|
|
|
- input=images,
|
|
|
- size=new_img_size,
|
|
|
- mode='bilinear',
|
|
|
- align_corners=False)
|
|
|
- # rescale targets
|
|
|
- for tgt in targets:
|
|
|
- boxes = tgt["boxes"].clone()
|
|
|
- labels = tgt["labels"].clone()
|
|
|
- boxes = torch.clamp(boxes, 0, old_img_size)
|
|
|
- # rescale box
|
|
|
- boxes[:, [0, 2]] = boxes[:, [0, 2]] / old_img_size * new_img_size
|
|
|
- boxes[:, [1, 3]] = boxes[:, [1, 3]] / old_img_size * new_img_size
|
|
|
- # refine tgt
|
|
|
- tgt_boxes_wh = boxes[..., 2:] - boxes[..., :2]
|
|
|
- min_tgt_size = torch.min(tgt_boxes_wh, dim=-1)[0]
|
|
|
- keep = (min_tgt_size >= min_box_size)
|
|
|
-
|
|
|
- tgt["boxes"] = boxes[keep]
|
|
|
- tgt["labels"] = labels[keep]
|
|
|
-
|
|
|
- return images, targets, new_img_size
|
|
|
-
|
|
|
- def box_xyxy_to_cxcywh(self, targets):
|
|
|
- # rescale targets
|
|
|
- for tgt in targets:
|
|
|
- boxes_xyxy = tgt["boxes"].clone()
|
|
|
- # rescale box
|
|
|
- cxcy = (boxes_xyxy[..., :2] + boxes_xyxy[..., 2:]) * 0.5
|
|
|
- bwbh = boxes_xyxy[..., 2:] - boxes_xyxy[..., :2]
|
|
|
- boxes_bwbh = torch.cat([cxcy, bwbh], dim=-1)
|
|
|
-
|
|
|
- tgt["boxes"] = boxes_bwbh
|
|
|
-
|
|
|
- return targets
|
|
|
-
|
|
|
- def box_cxcywh_to_xyxy(self, targets):
|
|
|
- # rescale targets
|
|
|
- for tgt in targets:
|
|
|
- boxes_cxcywh = tgt["boxes"].clone()
|
|
|
- # rescale box
|
|
|
- x1y1 = boxes_cxcywh[..., :2] - boxes_cxcywh[..., 2:] * 0.5
|
|
|
- x2y2 = boxes_cxcywh[..., :2] + boxes_cxcywh[..., 2:] * 0.5
|
|
|
- boxes_bwbh = torch.cat([x1y1, x2y2], dim=-1)
|
|
|
-
|
|
|
- tgt["boxes"] = boxes_bwbh
|
|
|
-
|
|
|
- return targets
|
|
|
-
|
|
|
- def check_second_stage(self):
|
|
|
- # set second stage
|
|
|
- print('============== Second stage of Training ==============')
|
|
|
- self.second_stage = True
|
|
|
-
|
|
|
- # close mosaic augmentation
|
|
|
- if self.train_loader.dataset.mosaic_prob > 0.:
|
|
|
- print(' - Close < Mosaic Augmentation > ...')
|
|
|
- self.train_loader.dataset.mosaic_prob = 0.
|
|
|
- self.heavy_eval = True
|
|
|
-
|
|
|
- # close mixup augmentation
|
|
|
- if self.train_loader.dataset.mixup_prob > 0.:
|
|
|
- print(' - Close < Mixup Augmentation > ...')
|
|
|
- self.train_loader.dataset.mixup_prob = 0.
|
|
|
- self.heavy_eval = True
|
|
|
-
|
|
|
- # close rotation augmentation
|
|
|
- if 'degrees' in self.trans_cfg.keys() and self.trans_cfg['degrees'] > 0.0:
|
|
|
- print(' - Close < degress of rotation > ...')
|
|
|
- self.trans_cfg['degrees'] = 0.0
|
|
|
- if 'shear' in self.trans_cfg.keys() and self.trans_cfg['shear'] > 0.0:
|
|
|
- print(' - Close < shear of rotation >...')
|
|
|
- self.trans_cfg['shear'] = 0.0
|
|
|
- if 'perspective' in self.trans_cfg.keys() and self.trans_cfg['perspective'] > 0.0:
|
|
|
- print(' - Close < perspective of rotation > ...')
|
|
|
- self.trans_cfg['perspective'] = 0.0
|
|
|
-
|
|
|
- # build a new transform for second stage
|
|
|
- print(' - Rebuild transforms ...')
|
|
|
- self.train_transform, self.trans_cfg = build_transform(
|
|
|
- args=self.args, trans_config=self.trans_cfg, max_stride=self.model_cfg['max_stride'], is_train=True)
|
|
|
+# def refine_targets(self, targets, min_box_size):
|
|
|
+# # rescale targets
|
|
|
+# for tgt in targets:
|
|
|
+# boxes = tgt["boxes"].clone()
|
|
|
+# labels = tgt["labels"].clone()
|
|
|
+# # refine tgt
|
|
|
+# tgt_boxes_wh = boxes[..., 2:] - boxes[..., :2]
|
|
|
+# min_tgt_size = torch.min(tgt_boxes_wh, dim=-1)[0]
|
|
|
+# keep = (min_tgt_size >= min_box_size)
|
|
|
+
|
|
|
+# tgt["boxes"] = boxes[keep]
|
|
|
+# tgt["labels"] = labels[keep]
|
|
|
|
|
|
- self.train_transform.set_weak_augment()
|
|
|
- self.train_loader.dataset.transform = self.train_transform
|
|
|
+# return targets
|
|
|
+
|
|
|
+# def rescale_image_targets(self, images, targets, stride, min_box_size, multi_scale_range=[0.5, 1.5]):
|
|
|
+# """
|
|
|
+# Deployed for Multi scale trick.
|
|
|
+# """
|
|
|
+# if isinstance(stride, int):
|
|
|
+# max_stride = stride
|
|
|
+# elif isinstance(stride, list):
|
|
|
+# max_stride = max(stride)
|
|
|
+
|
|
|
+# # During training phase, the shape of input image is square.
|
|
|
+# old_img_size = images.shape[-1]
|
|
|
+# new_img_size = random.randrange(old_img_size * multi_scale_range[0], old_img_size * multi_scale_range[1] + max_stride)
|
|
|
+# new_img_size = new_img_size // max_stride * max_stride # size
|
|
|
+# if new_img_size / old_img_size != 1:
|
|
|
+# # interpolate
|
|
|
+# images = torch.nn.functional.interpolate(
|
|
|
+# input=images,
|
|
|
+# size=new_img_size,
|
|
|
+# mode='bilinear',
|
|
|
+# align_corners=False)
|
|
|
+# # rescale targets
|
|
|
+# for tgt in targets:
|
|
|
+# boxes = tgt["boxes"].clone()
|
|
|
+# labels = tgt["labels"].clone()
|
|
|
+# boxes = torch.clamp(boxes, 0, old_img_size)
|
|
|
+# # rescale box
|
|
|
+# boxes[:, [0, 2]] = boxes[:, [0, 2]] / old_img_size * new_img_size
|
|
|
+# boxes[:, [1, 3]] = boxes[:, [1, 3]] / old_img_size * new_img_size
|
|
|
+# # refine tgt
|
|
|
+# tgt_boxes_wh = boxes[..., 2:] - boxes[..., :2]
|
|
|
+# min_tgt_size = torch.min(tgt_boxes_wh, dim=-1)[0]
|
|
|
+# keep = (min_tgt_size >= min_box_size)
|
|
|
+
|
|
|
+# tgt["boxes"] = boxes[keep]
|
|
|
+# tgt["labels"] = labels[keep]
|
|
|
+
|
|
|
+# return images, targets, new_img_size
|
|
|
+
|
|
|
+# def box_xyxy_to_cxcywh(self, targets):
|
|
|
+# # rescale targets
|
|
|
+# for tgt in targets:
|
|
|
+# boxes_xyxy = tgt["boxes"].clone()
|
|
|
+# # rescale box
|
|
|
+# cxcy = (boxes_xyxy[..., :2] + boxes_xyxy[..., 2:]) * 0.5
|
|
|
+# bwbh = boxes_xyxy[..., 2:] - boxes_xyxy[..., :2]
|
|
|
+# boxes_bwbh = torch.cat([cxcy, bwbh], dim=-1)
|
|
|
+
|
|
|
+# tgt["boxes"] = boxes_bwbh
|
|
|
+
|
|
|
+# return targets
|
|
|
+
|
|
|
+# def box_cxcywh_to_xyxy(self, targets):
|
|
|
+# # rescale targets
|
|
|
+# for tgt in targets:
|
|
|
+# boxes_cxcywh = tgt["boxes"].clone()
|
|
|
+# # rescale box
|
|
|
+# x1y1 = boxes_cxcywh[..., :2] - boxes_cxcywh[..., 2:] * 0.5
|
|
|
+# x2y2 = boxes_cxcywh[..., :2] + boxes_cxcywh[..., 2:] * 0.5
|
|
|
+# boxes_bwbh = torch.cat([x1y1, x2y2], dim=-1)
|
|
|
+
|
|
|
+# tgt["boxes"] = boxes_bwbh
|
|
|
+
|
|
|
+# return targets
|
|
|
+
|
|
|
+# def check_second_stage(self):
|
|
|
+# # set second stage
|
|
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+# print('============== Second stage of Training ==============')
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+# self.second_stage = True
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+
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+# # close mosaic augmentation
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+# if self.train_loader.dataset.mosaic_prob > 0.:
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+# print(' - Close < Mosaic Augmentation > ...')
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+# self.train_loader.dataset.mosaic_prob = 0.
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+# self.heavy_eval = True
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+
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+# # close mixup augmentation
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+# if self.train_loader.dataset.mixup_prob > 0.:
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+# print(' - Close < Mixup Augmentation > ...')
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+# self.train_loader.dataset.mixup_prob = 0.
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+# self.heavy_eval = True
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+
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+# # close rotation augmentation
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+# if 'degrees' in self.trans_cfg.keys() and self.trans_cfg['degrees'] > 0.0:
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+# print(' - Close < degress of rotation > ...')
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+# self.trans_cfg['degrees'] = 0.0
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+# if 'shear' in self.trans_cfg.keys() and self.trans_cfg['shear'] > 0.0:
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+# print(' - Close < shear of rotation >...')
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+# self.trans_cfg['shear'] = 0.0
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+# if 'perspective' in self.trans_cfg.keys() and self.trans_cfg['perspective'] > 0.0:
|
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+# print(' - Close < perspective of rotation > ...')
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+# self.trans_cfg['perspective'] = 0.0
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+
|
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+# # build a new transform for second stage
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+# print(' - Rebuild transforms ...')
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+# self.train_transform, self.trans_cfg = build_transform(
|
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+# args=self.args, trans_config=self.trans_cfg, max_stride=self.model_cfg['max_stride'], is_train=True)
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+
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+# self.train_transform.set_weak_augment()
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+# self.train_loader.dataset.transform = self.train_transform
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# ----------------------- Det + Seg trainers -----------------------
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