zyayoung comments

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                                            zyayoung

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'NoneType' object is not subscriptable

Please check that arguments in `exps/aps.sh` are used, e.g. `--with_box_refine` is required.

Questions about Multi-gpu training

We tried training on 8 V100 GPUs without checkpointing and do not encounter a CUDA OOM issue. If OOM occurs in the middle of an epoch, maybe MOTR cumulates too...

Question about pretrained weight

Do you mean pretrained weight of Deformable DETR or YOLOX? For YOLOX, you can use any weight or detection model as long as the boxes are correctly fed into the...

Question about "make sure you set the correct --num_classes for your own dataset"

It doesn't matter, just ignore the warning messages.

why batch_size only support 1 per GPU

Implementing batch size > 1 is possible but requires some work on handling track queries with variable lengths between batches. Using batch size 1 already uses all GPU memory on...

Question about multi-class

Yes, but we have not checked the multi-class implementation in this repo. We will check it in a few weeks.

Data Preprocessing Issue

Could you provide more details about the sampler? My guess is that you are using a batch size > 1, which is not supported in ByteTrack.

Questions about label losses for disappear tracks

Sorry for the late reply, we will check it soon.