# model settings model = dict( type='HybridTaskCascade', num_stages=3, pretrained='torchvision://resnet50', interleaved=True, mask_info_flow=True, backbone=dict( type='ResNet', depth=50, num_stages=4, out_indices=(0, 1, 2, 3), frozen_stages=1, style='pytorch'), neck=dict( type='FPN', in_channels=[256, 512, 1024, 2048], out_channels=256, num_outs=5), rpn_head=dict( type='RPNHead', in_channels=256, feat_channels=256, anchor_scales=[8], anchor_ratios=[0.5, 1.0, 2.0], anchor_strides=[4, 8, 16, 32, 64], target_means=[.0, .0, .0, .0], target_stds=[1.0, 1.0, 1.0, 1.0], loss_cls=dict( type='CrossEntropyLoss', use_sigmoid=True, loss_weight=1.0), loss_bbox=dict(type='SmoothL1Loss', beta=1.0 / 9.0, loss_weight=1.0)), bbox_roi_extractor=dict( type='SingleRoIExtractor', roi_layer=dict(type='RoIAlign', out_size=7, sample_num=2), out_channels=256, featmap_strides=[4, 8, 16, 32]), bbox_head=[ dict( type='SharedFCBBoxHead', num_fcs=2, in_channels=256, fc_out_channels=1024, roi_feat_size=7, num_classes=41, target_means=[0., 0., 0., 0.], target_stds=[0.1, 0.1, 0.2, 0.2], reg_class_agnostic=True, loss_cls=dict( type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0), loss_bbox=dict(type='SmoothL1Loss', beta=1.0, loss_weight=1.0)), dict( type='SharedFCBBoxHead', num_fcs=2, in_channels=256, fc_out_channels=1024, roi_feat_size=7, num_classes=41, target_means=[0., 0., 0., 0.], target_stds=[0.05, 0.05, 0.1, 0.1], reg_class_agnostic=True, loss_cls=dict( type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0), loss_bbox=dict(type='SmoothL1Loss', beta=1.0, loss_weight=1.0)), dict( type='SharedFCBBoxHead', num_fcs=2, in_channels=256, fc_out_channels=1024, roi_feat_size=7, num_classes=41, target_means=[0., 0., 0., 0.], target_stds=[0.033, 0.033, 0.067, 0.067], reg_class_agnostic=True, loss_cls=dict( type='CrossEntropyLoss', use_sigmoid=False, loss_weight=1.0), loss_bbox=dict(type='SmoothL1Loss', beta=1.0, loss_weight=1.0)) ], mask_roi_extractor=dict( type='SingleRoIExtractor', roi_layer=dict(type='RoIAlign', out_size=14, sample_num=2), out_channels=256, featmap_strides=[4, 8, 16, 32]), mask_head=dict( type='HTCMaskHead', num_convs=4, in_channels=256, conv_out_channels=256, num_classes=41, loss_mask=dict( type='CrossEntropyLoss', use_mask=True, loss_weight=1.0)), ) # model training and testing settings train_cfg = dict( rpn=dict( assigner=dict( type='MaxIoUAssigner', pos_iou_thr=0.7, neg_iou_thr=0.3, min_pos_iou=0.3, ignore_iof_thr=-1), sampler=dict( type='RandomSampler', num=256, pos_fraction=0.5, neg_pos_ub=-1, add_gt_as_proposals=False), allowed_border=0, pos_weight=-1, debug=False), rpn_proposal=dict( nms_across_levels=False, nms_pre=2000, nms_post=2000, max_num=2000, nms_thr=0.7, min_bbox_size=0), rcnn=[ dict( assigner=dict( type='MaxIoUAssigner', pos_iou_thr=0.5, neg_iou_thr=0.5, min_pos_iou=0.5, ignore_iof_thr=-1), sampler=dict( type='RandomSampler', num=512, pos_fraction=0.25, neg_pos_ub=-1, add_gt_as_proposals=True), mask_size=28, pos_weight=-1, debug=False), dict( assigner=dict( type='MaxIoUAssigner', pos_iou_thr=0.6, neg_iou_thr=0.6, min_pos_iou=0.6, ignore_iof_thr=-1), sampler=dict( type='RandomSampler', num=512, pos_fraction=0.25, neg_pos_ub=-1, add_gt_as_proposals=True), mask_size=28, pos_weight=-1, debug=False), dict( assigner=dict( type='MaxIoUAssigner', pos_iou_thr=0.7, neg_iou_thr=0.7, min_pos_iou=0.7, ignore_iof_thr=-1), sampler=dict( type='RandomSampler', num=512, pos_fraction=0.25, neg_pos_ub=-1, add_gt_as_proposals=True), mask_size=28, pos_weight=-1, debug=False) ], stage_loss_weights=[1, 0.5, 0.25]) test_cfg = dict( rpn=dict( nms_across_levels=False, nms_pre=1000, nms_post=1000, max_num=1000, nms_thr=0.7, min_bbox_size=0), rcnn=dict( score_thr=0.001, nms=dict(type='soft_nms', iou_thr=0.3), max_per_img=10, mask_thr_binary=0.5), keep_all_stages=False) # dataset settings dataset_type = 'CocoDataset' data_root = 'data/coco/' img_norm_cfg = dict( mean=[123.675, 116.28, 103.53], std=[58.395, 57.12, 57.375], to_rgb=True) albu_train_transforms = [ dict( type='ShiftScaleRotate', shift_limit=0.0625, scale_limit=0.0, rotate_limit=0, interpolation=1, p=0.5), dict( type='RandomBrightnessContrast', brightness_limit=[0.1, 0.3], contrast_limit=[0.1, 0.3], p=0.2), dict( type='OneOf', transforms=[ dict( type='RGBShift', r_shift_limit=10, g_shift_limit=10, b_shift_limit=10, p=1.0), dict( type='HueSaturationValue', hue_shift_limit=20, sat_shift_limit=30, val_shift_limit=20, p=1.0) ], p=0.1), dict(type='JpegCompression', quality_lower=85, quality_upper=95, p=0.2), dict(type='ChannelShuffle', p=0.1), dict( type='OneOf', transforms=[ dict(type='Blur', blur_limit=3, p=1.0), dict(type='MedianBlur', blur_limit=3, p=1.0) ], p=0.1), ] train_pipeline = [ dict(type='LoadImageFromFile'), dict( type='LoadAnnotations', with_bbox=True, with_mask=True), dict(type='Resize', img_scale=(800, 800), keep_ratio=True), dict(type='Pad', size_divisor=32), dict( type='Albu', transforms=albu_train_transforms, bbox_params=dict( type='BboxParams', format='pascal_voc', label_fields=['gt_labels'], min_visibility=0.0, filter_lost_elements=True), keymap={ 'img': 'image', 'gt_masks': 'masks', 'gt_bboxes': 'bboxes' }, update_pad_shape=False, skip_img_without_anno=True), dict(type='Normalize', **img_norm_cfg), dict(type='Pad', size_divisor=32), dict(type='DefaultFormatBundle'), dict( type='Collect', keys=['img', 'gt_bboxes', 'gt_labels', 'gt_masks'], meta_keys=('filename', 'ori_shape', 'img_shape', 'img_norm_cfg', 'pad_shape', 'scale_factor')) ] test_pipeline = [ dict(type='LoadImageFromFile'), dict( type='MultiScaleFlipAug', img_scale=(800, 800), flip=True, transforms=[ dict(type='Resize', keep_ratio=True), dict(type='RandomFlip', flip_ratio=0.5), dict(type='Normalize', **img_norm_cfg), dict(type='Pad', size_divisor=32), dict(type='ImageToTensor', keys=['img']), dict(type='Collect', keys=['img']), ]) ] data = dict( imgs_per_gpu=4, workers_per_gpu=0, train=dict( type=dataset_type, ann_file=data_root + 'train/annotations.json', img_prefix=data_root + 'train/images', pipeline=train_pipeline), val=dict( type=dataset_type, ann_file=data_root + 'val/annotations.json', img_prefix=data_root + 'val/images', pipeline=test_pipeline), test=dict( type=dataset_type, ann_file=data_root + 'val/annotations.json', img_prefix=data_root + 'val/images', pipeline=test_pipeline)) # optimizer optimizer = dict(type='SGD', lr=0.02, momentum=0.9, weight_decay=0.0001) optimizer_config = dict(grad_clip=dict(max_norm=35, norm_type=2)) # learning policy lr_config = dict( policy='step', warmup='linear', warmup_iters=500, warmup_ratio=1.0 / 3, step=[17, 24]) checkpoint_config = dict(interval=1) # yapf:disable log_config = dict( interval=50, hooks=[ dict(type='TextLoggerHook'), # dict(type='TensorboardLoggerHook') ]) # yapf:enable # runtime settings total_epochs = 30 dist_params = dict(backend='nccl') log_level = 'INFO' work_dir = './work_dirs/htc_r50_fpn' load_from = 'htc_r50_fpn_20e_20190408-c03b7015.pth' resume_from = None workflow = [('train', 1)]