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| # BasicBlock has a little difference from official PANet | |
| # BasicBlock in mmdet lacks RELU in the last convolution. | |
| model = dict( | |
| type='PANet', | |
| data_preprocessor=dict( | |
| type='TextDetDataPreprocessor', | |
| mean=[123.675, 116.28, 103.53], | |
| std=[58.395, 57.12, 57.375], | |
| bgr_to_rgb=True, | |
| pad_size_divisor=32), | |
| backbone=dict( | |
| type='mmdet.ResNet', | |
| depth=18, | |
| num_stages=4, | |
| stem_channels=128, | |
| deep_stem=True, | |
| out_indices=(0, 1, 2, 3), | |
| frozen_stages=-1, | |
| norm_eval=False, | |
| init_cfg=dict(type='Pretrained', checkpoint='torchvision://resnet18'), | |
| style='pytorch'), | |
| neck=dict(type='FPEM_FFM', in_channels=[64, 128, 256, 512]), | |
| det_head=dict( | |
| type='PANHead', | |
| in_channels=[128, 128, 128, 128], | |
| hidden_dim=128, | |
| out_channel=6, | |
| module_loss=dict( | |
| type='PANModuleLoss', | |
| loss_text=dict(type='MaskedSquareDiceLoss'), | |
| loss_kernel=dict(type='MaskedSquareDiceLoss'), | |
| ), | |
| postprocessor=dict(type='PANPostprocessor', text_repr_type='quad'))) | |
| train_pipeline = [ | |
| dict(type='LoadImageFromFile', color_type='color_ignore_orientation'), | |
| dict( | |
| type='LoadOCRAnnotations', | |
| with_polygon=True, | |
| with_bbox=True, | |
| with_label=True, | |
| ), | |
| dict(type='ShortScaleAspectJitter', short_size=736, scale_divisor=32), | |
| dict(type='RandomFlip', prob=0.5, direction='horizontal'), | |
| dict(type='RandomRotate', max_angle=10), | |
| dict(type='TextDetRandomCrop', target_size=(736, 736)), | |
| dict(type='Pad', size=(736, 736)), | |
| dict( | |
| type='TorchVisionWrapper', | |
| op='ColorJitter', | |
| brightness=32.0 / 255, | |
| saturation=0.5), | |
| dict( | |
| type='PackTextDetInputs', | |
| meta_keys=('img_path', 'ori_shape', 'img_shape', 'scale_factor')) | |
| ] | |
| test_pipeline = [ | |
| dict(type='LoadImageFromFile', color_type='color_ignore_orientation'), | |
| # TODO Replace with mmcv.RescaleToShort when it's ready | |
| dict( | |
| type='ShortScaleAspectJitter', | |
| short_size=736, | |
| scale_divisor=1, | |
| ratio_range=(1.0, 1.0), | |
| aspect_ratio_range=(1.0, 1.0)), | |
| # add loading annotation after ``Resize`` because ground truth | |
| # does not need to do resize data transform | |
| dict( | |
| type='LoadOCRAnnotations', | |
| with_polygon=True, | |
| with_bbox=True, | |
| with_label=True), | |
| dict( | |
| type='PackTextDetInputs', | |
| meta_keys=('img_path', 'ori_shape', 'img_shape', 'scale_factor')) | |
| ] | |