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@@ -1,64 +0,0 @@
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-import os
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-import paddlers as pdrs
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-from paddlers import transforms as T
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-
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-
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-data_dir = 'sar_ship_1'
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-if not os.path.exists(data_dir):
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- dataset_url = 'https://paddleseg.bj.bcebos.com/dataset/sar_ship_1.tar.gz'
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- pdrs.utils.download_and_decompress(dataset_url, path='./')
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-
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-
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-train_transforms = T.Compose([
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- T.RandomDistort(),
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- T.RandomExpand(),
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- T.RandomCrop(),
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- T.RandomHorizontalFlip(),
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- T.BatchRandomResize(
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- target_sizes=[320, 352, 384, 416, 448, 480, 512, 544, 576, 608],
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- interp='RANDOM'),
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- T.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
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-])
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-
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-eval_transforms = T.Compose([
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- T.Resize(target_size=608, interp='CUBIC'),
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- T.Normalize(
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- mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
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-])
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-
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-
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-train_file_list = os.path.join(data_dir, 'train.txt')
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-val_file_list = os.path.join(data_dir, 'valid.txt')
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-label_file_list = os.path.join(data_dir, 'labels.txt')
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-train_dataset = pdrs.datasets.VOCDetection(
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- data_dir=data_dir,
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- file_list=train_file_list,
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- label_list=label_file_list,
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- transforms=train_transforms,
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- shuffle=True)
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-
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-eval_dataset = pdrs.datasets.VOCDetection(
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- data_dir=data_dir,
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- file_list=train_file_list,
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- label_list=label_file_list,
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- transforms=eval_transforms,
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- shuffle=False)
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-
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-
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-num_classes = len(train_dataset.labels)
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-model = pdrs.tasks.FasterRCNN(num_classes=num_classes)
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-
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-
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-model.train(
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- num_epochs=60,
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- train_dataset=train_dataset,
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- train_batch_size=2,
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- eval_dataset=eval_dataset,
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- pretrain_weights='COCO',
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- learning_rate=0.005 / 12,
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- warmup_steps=10,
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- warmup_start_lr=0.0,
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- save_interval_epochs=5,
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- lr_decay_epochs=[20, 40],
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- save_dir='output/faster_rcnn_sar_ship',
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- use_vdl=True)
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