JerryX1110 / RPCMVOS

[AAAI22 Oral] Reliable Propagation-Correction Modulation for Video Object Segmentation
MIT License
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aaai aaai2022 computer-vision dense-prediction pytorch reliability robustness segmentation tracking video video-object-segmentation vos

Reliable Propagation-Correction Modulation for Video Object Segmentation (AAAI22 Oral)

Picture1

Preview version paper of this work is available at Arxiv

AAAI long paper presentation ppt, short one-minute paper presentation ppt, and the poster are avavilable!

Qualitative results and comparisons with previous SOTAs are available at both YouTube and Bilibili.

[Thanks to someone (I don't know) who transports the video to bilibili😀.]

This repo is a preview version. More details will be added later. Welcome to starts ⭐ & comments 💹 & collaboration 😀 !!

- 2023.4.1: The link for pretrained backbone ckpt is updated (as previous one has expired).
- 2022.7.9: Our complete code is re-released! 
- 2022.3.9: Dockerfile is added for easy env setup and modification.
- 2022.3.6: Our presentation PPT and Poster for AAAI22 are available now on GoogleDrive!
- 2022.2.16 😀:  Our paper has been selected as **Oral Presentation** in AAAI22! (Oral Acceptance Rate is about 4.5% this year (15% x 30%))
- 2021.12.25 🎅🎄: Precomputed Results on YouTube-VOS18/19 and DAVIS17 Val/Test-dev are available on both GoogleDrive and BaiduDisk! 
- 2021.12.14: Stay tuned for the code release!

Abstract

Error propagation is a general but crucial problem in online semi-supervised video object segmentation. We aim to suppress error propagation through a correction mechanism with high reliability.

The key insight is to disentangle the correction from the conventional mask propagation process with reliable cues.

We introduce two modulators, propagation and correction modulators, to separately perform channel-wise re-calibration on the target frame embeddings according to local temporal correlations and reliable references respectively. Specifically, we assemble the modulators with a cascaded propagation-correction scheme. This avoids overriding the effects of the reliable correction modulator by the propagation modulator.

Although the reference frame with the ground truth label provides reliable cues, it could be very different from the target frame and introduce uncertain or incomplete correlations. We augment the reference cues by supplementing reliable feature patches to a maintained pool, thus offering more comprehensive and expressive object representations to the modulators. In addition, a reliability filter is designed to retrieve reliable patches and pass them in subsequent frames.

Our model achieves state-of-the-art performance on YouTube-VOS18/19 and DAVIS17-Val/Test benchmarks. Extensive experiments demonstrate that the correction mechanism provides considerable performance gain by fully utilizing reliable guidance.

Requirements

You can also use the docker image below to set up your env directly. However, this docker image may contain some redundent packages.

docker image: xxiaoh/vos:10.1-cudnn7-torch1.4_v3

A more light-weight version can be created by modified the Dockerfile provided.

Preparation

Training

Training for YouTube-VOS:

sh ../scripts/ytb_train.sh

Inference

Using reliable object proxy augmentation (RPA)

sh ../scripts/ytb_eval_with_RPA.sh

Without using reliable object proxy augmentation (RPA):

sh ../scripts/ytb_eval_without_RPA.sh

Precomputed Results

Precomputed results on both YouTube-VOS18/19 and DAVIS17 Val/Test-dev are available on Google Drive and Baidu Disk (BaiduDisk password:6666).

Limitation & Directions for further exploration in VOS!

Although the numbers on some semi-VOS benchmarks are somehow extremely high, many problems still remain for further exploration.

I think those who take a look at this repo are likely to be researching in the field related to segmentation or tracking.

So I would like to share some directions to explore in VOS from my point of view here. Hopefully, I can see some nice solutions in the near future!

(to be continued...)

Citation

If you find this work is useful for your research, please consider giving us a star 🌟 and citing it by the following BibTeX entry.:

@inproceedings{xu2022reliable,
  title={Reliable propagation-correction modulation for video object segmentation},
  author={Xu, Xiaohao and Wang, Jinglu and Li, Xiao and Lu, Yan},
  booktitle={Proceedings of the AAAI Conference on Artificial Intelligence},
  volume={36},
  number={3},
  pages={2946--2954},
  year={2022}
}

if you find the implementations helpful, please consider to cite:

@misc{xu2022RPCMVOS,
  title={RPCMVOS-REPO},
  author={Xiaohao, Xu},
  publisher = {GitHub},
  journal = {GitHub repository},
  howpublished={\url{https://github.com/JerryX1110/RPCMVOS/}},
  year={2022}
}

Credit

CFBI: https://github.com/z-x-yang/CFBI

Deeplab: https://github.com/VainF/DeepLabV3Plus-Pytorch

GCT: https://github.com/z-x-yang/GCT

Related Works in VOS

Semisupervised video object segmentation repo/paper link:

PAOT [IJCAI 2023]:https://github.com/yoxu515/VIPOSeg-Benchmark

ARKitTrack [CVPR 2023]:https://arxiv.org/pdf/2303.13885.pdf

MobileVOS [CVPR 2023]:https://arxiv.org/pdf/2303.07815.pdf

Two-ShotVOS [CVPR 2023]:https://arxiv.org/pdf/2303.12078.pdf

UNINEXT [CVPR 2023]:https://github.com/MasterBin-IIAU/UNINEXT

ISVOS [CVPR 2023]:https://arxiv.org/pdf/2212.06826.pdf

TarVis [CVPR 2023]:https://arxiv.org/pdf/2301.02657.pdf

LBLVOS [AAAI 2023]:https://arxiv.org/pdf/2212.02112.pdf

DeAOT[NeurIPS 2022]:https://arxiv.org/pdf/2210.09782.pdf

RobustVOS [ACM MM 2022]:https://github.com/JerryX1110/Robust-Video-Object-Segmentation

BATMAN [ECCV 2022 Oral]:https://arxiv.org/pdf/2208.01159.pdf

TBD [ECCV 2022]:https://github.com/suhwan-cho/TBD

XMEM [ECCV 2022]:https://github.com/hkchengrex/XMem

QDMN [ECCV 2022]:https://github.com/workforai/QDMN

GSFM [ECCV 2022]:https://github.com/workforai/GSFM

SWEM [CVPR 2022]:https://tianyu-yang.com/resources/swem.pdf

RDE [CVPR 2022]:https://arxiv.org/pdf/2205.03761.pdf

COVOS [CVPR 2022] :https://github.com/kai422/CoVOS

AOT [NeurIPS 2021]: https://github.com/z-x-yang/AOT

STCN [NeurIPS 2021]: https://github.com/hkchengrex/STCN

JOINT [ICCV 2021]: https://github.com/maoyunyao/JOINT

HMMN [ICCV 2021]: https://github.com/Hongje/HMMN

DMN-AOA [ICCV 2021]: https://github.com/liang4sx/DMN-AOA

MiVOS [CVPR 2021]: https://github.com/hkchengrex/MiVOS

SSTVOS [CVPR 2021]: https://github.com/dukebw/SSTVOS

GraphMemVOS [ECCV 2020]: https://github.com/carrierlxk/GraphMemVOS

AFB-URR [NeurIPS 2020]: https://github.com/xmlyqing00/AFB-URR

CFBI [ECCV 2020]: https://github.com/z-x-yang/CFBI

FRTM-VOS [CVPR 2020]: https://github.com/andr345/frtm-vos

STM [ICCV 2019]: https://github.com/seoungwugoh/STM

FEELVOS [CVPR 2019]: https://github.com/kim-younghan/FEELVOS

(The list may be incomplete, feel free to contact me by pulling a issue and I'll add them on!)

Useful websites for VOS

The 1st Large-scale Video Object Segmentation Challenge: https://competitions.codalab.org/competitions/19544#learn_the_details

The 2nd Large-scale Video Object Segmentation Challenge - Track 1: Video Object Segmentation: https://competitions.codalab.org/competitions/20127#learn_the_details

The Semi-Supervised DAVIS Challenge on Video Object Segmentation @ CVPR 2020: https://competitions.codalab.org/competitions/20516#participate-submit_results

DAVIS: https://davischallenge.org/

YouTube-VOS: https://youtube-vos.org/

Papers with code for Semi-VOS: https://paperswithcode.com/task/semi-supervised-video-object-segmentation

Q&A

Some Q&As about the project from the readers are listed as follows.

Q1:I have noticed that the performance in youtubevos is very good, and I wonder what you think might be the reason?

Error propagation is a critical problem for most of the models in VOS as well as other tracking-related fileds. The main reason for the inprovement of our model is due to some designs to suppress error from propagation. Specificly, we propose an assembly of propagation and correction modulators to fully leverage the reference guidance during propagation. Apart from the reliable guidance from the reference, we also consider leveraging the reliable cues according to the historical predictions. To be specific, we use Shannon entropy as a measure of prediction uncertainty for further reliable object cues augmentation.

Q2:When you were training, did you randomly cut the images to 465x465, consistent with CFBI?

Yes. We mainly follow the training protocal used in CFBI. (Based on some observations, I think certain data augmentation methods may lead to some bias in training samples, which may futher lead to a gap between training and inference. However, I havn't verified this viewpoint concisely.)

Acknowledgement ❤️

Firstly, the author would like to thank Rex for his insightful viewpoints about VOS during e-mail discussion! Also, this work is built upon CFBI. Thanks to the author of CFBI to release such a wonderful code repo for further work to build upon!

Welcome to comments and discussions!!

Xiaohao Xu: xxh11102019@outlook.com

License

This project is released under the Mit license. See LICENSE for additional details.