_base_ = [ '../_base_/models/mask_rcnn_r50_fpn.py', '../_base_/datasets/lvis_v0.5_instance.py', '../_base_/schedules/schedule_2x.py', '../_base_/default_runtime.py' ] model = dict( roi_head=dict( bbox_head=dict(num_classes=1230), mask_head=dict(num_classes=1230)), test_cfg=dict( rcnn=dict( score_thr=0.0001, # LVIS allows up to 300 max_per_img=300))) img_norm_cfg = dict( mean=[123.675, 116.28, 103.53], std=[58.395, 57.12, 57.375], to_rgb=True) train_pipeline = [ dict(type='LoadImageFromFile'), dict(type='LoadAnnotations', with_bbox=True, with_mask=True), dict( type='Resize', img_scale=[(1333, 640), (1333, 672), (1333, 704), (1333, 736), (1333, 768), (1333, 800)], multiscale_mode='value', keep_ratio=True), dict(type='RandomFlip', flip_ratio=0.5), 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']), ] data = dict(train=dict(dataset=dict(pipeline=train_pipeline)))