num_classes in config

[qihao-huang]

masktrackrcnn-mmdet2.0/configs/masktrackrcnn_ytvos/masktrackrcnn_r50_fpn_2x.py

Line 67 in 83fcc2b

num_classes=1,

Why the num_classes is set to be 1 instead of 41 or 40?

[qihao-huang]

ok, I got it, you only take "person" into consideration. Perhaps, a complete adoption with previous MaskTrackRCNN will be better.

masktrackrcnn-mmdet2.0/mmdet/datasets/ytvos.py

Line 21 in 83fcc2b

CLASSES=('person',)

[Exely]

Thanks for following up! Exactly, the code is adapted for the tianchi competition. We only consider segementing humans in our code by setting one person class. You can simply modify the parameter to adapt more classes. Thanks for your suggestion, we will further update a clean version.

[Exely]

For youtube-vos, the num_classes should be 40 (the background class is added by default in mmdetection 2.0).