MOTRv3
MOTRv3: Release-Fetch Supervision for End-to-End Multi-Object Tracking[1]
作者是来自旷视等机构的En Yu等人, 论文引用[1]:Yu, En et al. “MOTRv3: Release-Fetch Supervision for End-to-End Multi-Object Tracking.” ArXiv abs/2305.14298 (2023): n. pag.
Time
- 2023.May
Key Words
- conflict between detection and association
- detect query only for newly appearing targets
- track queries for localizing previous detected targets(association part in a implicit manner)
总结
- 简单来说,MOTR的问题是在于detection和association之间的冲突,MOTRv2用额外的detection network部分解决了这个问题,作者将这个conflict的归因于detect queries和track queries在训练的时候的unfair label assignment,detect queries 识别targets然后track queries associate them。基于这个观察,作者提出了MOTRv3,用release-fetch supervision 策略来平衡label assignment process。在这个策略中,labels首先released for detection,然后逐渐fetched back for association。另外两个strategy叫做pseudo label distillation和track group denoising,用来进一步提高detection和association的supervision,同时不需要额外的detection network。