Liang-Chieh (Jay) Chen- Home Page

jay photo 

Liang-Chieh Chen
Research Scientist, ByteDance, Los Angeles

Email: lcchen at cs dot ucla dot edu

[google-scholar] [semantic-scholar]

About me

I am currently a Research Scientist at ByteDance / TikTok. My research interests include Computer Vision, and Deep Learning.

Before joining ByteDance, I was a Research Scientist at Google, Los Angeles. I received my Ph.D. in Computer Science at UCLA under the supervision of Alan L. Yuille.

News

Papers

maxtron 

MaXTron: Mask Transformer with Trajectory Attention for Video Panoptic Segmentation
Ju He, Qihang Yu, Inkyu Shin, Xueqing Deng, Xiaohui Shen, Alan Yuille, Liang-Chieh Chen
Technical report
[preprint (arxiv: 2311.18537)] [PyTorch code]

osm 

Towards Open-Ended Visual Recognition with Large Language Model
Qihang Yu, Xiaohui Shen, Liang-Chieh Chen
Technical report
[preprint (arxiv: 2311.08400)] [PyTorch code]

polykmax 

PolyMaX: General Dense Prediction with Mask Transformer
Xuan Yang, Liangzhe Yuan, Kimberly Wilber, Astuti Sharma, Xiuye Gu, Siyuan Qiao, Stephanie Debats, Huisheng Wang, Hartwig Adam, Mikhail Sirotenko, Liang-Chieh Chen
In Winter Conference on Applications of Computer Vision (WACV), Waikoloa, Hawaii, USA, January 2024.
[preprint (arxiv: 2311.05770)]

maskconver 

MaskConver: Revisiting Pure Convolution Model for Panoptic Segmentation
Abdullah Rashwan, Jiageng Zhang, Ali Taalimi, Fan Yang, Xingyi Zhou, Chaochao Yan, Liang-Chieh Chen, Yeqing Li
In Winter Conference on Applications of Computer Vision (WACV), Waikoloa, Hawaii, USA, January 2024.
[preprint (arxiv: 2312.06052)]

spformer 

Superpixel Transformers for Efficient Semantic Segmentation
Alex Zihao Zhu, Jieru Mei, Siyuan Qiao, Hang Yan, Yukun Zhu, Liang-Chieh Chen, Henrik Kretzschmar
In International Conference on Intelligent Robots and Systems (IROS), Detroit, Michigan, USA, October 2023
[preprint (arxiv: 2309.16889)]

fcclip 

Convolutions Die Hard: Open-Vocabulary Segmentation with Single Frozen Convolutional CLIP
Qihang Yu, Ju He, Xueqing Deng, Xiaohui Shen, Liang-Chieh Chen
In Neural Information Processing Systems (NeurIPS), New Orleans, Louisiana, USA, December 2023
[preprint (arxiv: 2308.02487)] [PyTorch code]

remax 

ReMaX: Relaxing for Better Training on Efficient Panoptic Segmentation
Shuyang Sun, Weijun Wang, Qihang Yu, Andrew Howard, Philip Torr, Liang-Chieh Chen
In Neural Information Processing Systems (NeurIPS), New Orleans, Louisiana, USA, December 2023
[preprint (arxiv: 2306.17319)]

dataset 

DaTaSeg: Taming a Universal Multi-Dataset Multi-Task Segmentation Model
Xiuye Gu, Yin Cui, Jonathan Huang, Abdullah Rashwan, Xuan Yang, Xingyi Zhou, Golnaz Ghiasi, Weicheng Kuo, Huizhong Chen, Liang-Chieh Chen, David Ross
In Neural Information Processing Systems (NeurIPS), New Orleans, Louisiana, USA, December 2023
[preprint (arxiv: 2306.01736)]

lit_decoder 

A Study of Autoregressive Decoders for Multi-Tasking in Computer Vision
Lucas Beyer, Bo Wan, Gagan Madan, Filip Pavetic, Andreas Steiner, Alexander Kolesnikov, Andre Susano Pinto, Emanuele Bugliarello, Xiao Wang, Qihang Yu, Liang-Chieh Chen, Xiaohua Zhai
Technical report
[preprint (arxiv: 2303.17376)]

video_kmax 

Video-kMaX: A Simple Unified Approach for Online and Near-Online Video Panoptic Segmentation
Inkyu Shin, Dahun Kim, Qihang Yu, Jun Xie, Hong-Seok Kim, Bradley Green, In So Kweon, Kuk-Jin Yoon, Liang-Chieh Chen
Full version appeared in Winter Conference on Applications of Computer Vision (WACV), Waikoloa, Hawaii, USA, January 2024. (oral)
Short version appeared in CVPR 2023 T4V (Transformers for Vision) workshop, Vancouver, Canada, June 2023. (spotlight)
[preprint (arxiv: 2304.04694)]

moat 

MOAT: Alternating Mobile Convolution and Attention Brings Strong Vision Models
Chenglin Yang, Siyuan Qiao, Qihang Yu, Xiaoding Yuan, Yukun Zhu, Alan Yuille, Hartwig Adam, Liang-Chieh Chen
International Conference on Learning Representations (ICLR), Kigali, Rwanda, May 2023.
[preprint (arxiv: 2210.01820)] [code]

kmax-deeplab 

k-means Mask Transformer
Qihang Yu, Huiyu Wang, Siyuan Qiao, Maxwell Collins, Yukun Zhu, Hartwig Adam, Alan Yuille, Liang-Chieh Chen
In European Conference on Computer Vision (ECCV), Tel Aviv, Israel, October 2022.
[preprint (arxiv: 2207.04044)] [TensorFlow2 code] [Google AI Blog post] [PyTroch code]

wod-pvps 

Waymo Open Dataset: Panoramic Video Panoptic Segmentation
Jieru Mei, Alex Zihao Zhu, Xinchen Yan, Hang Yan, Siyuan Qiao, Yukun Zhu, Liang-Chieh Chen, Henrik Kretzschmar, Dragomir Anguelov
In European Conference on Computer Vision (ECCV), Tel Aviv, Israel, October 2022.
[preprint (arxiv: 2206.07704)] [dataset]

cmt-deeplab 

CMT-DeepLab: Clustering Mask Transformers for Panoptic Segmentation (oral)
Qihang Yu, Huiyu Wang, Dahun Kim, Siyuan Qiao, Maxwell Collins, Yukun Zhu, Hartwig Adam, Alan Yuille, Liang-Chieh Chen
In Conference on Computer Vision and Pattern Recognition (CVPR), New Orleans, Louisiana, USA, June 2022.
[preprint (arxiv: 2206.08948)] [talk]

tubeformer 

TubeFormer-DeepLab: Video Mask Transformer
Dahun Kim, Jun Xie, Huiyu Wang, Siyuan Qiao, Qihang Yu, Hong-Seok Kim, Hartwig Adam, In So Kweon, Liang-Chieh Chen
In Conference on Computer Vision and Pattern Recognition (CVPR), New Orleans, Louisiana, USA, June 2022.
[preprint (arxiv: 2205.15361)] [video-prediction-results]

deeplab2 

DeepLab2: A TensorFlow Library for Deep Labeling
Mark Weber*, Huiyu Wang*, Siyuan Qiao*, Jun Xie, Maxwell Collins, Yukun Zhu, Liangzhe Yuan, Dahun Kim, Qihang Yu,
Daniel Cremers, Laura Leal-Taixe, Alan Yuille, Florian Schroff, Hartwig Adam, Liang-Chieh Chen
(*equal contribution)
Technical report
[preprint (arxiv: 2106.09748)] [DeepLab2 code] [Talk at ICCV 2021 VSPW workshop]

step 

STEP: Segmenting and Tracking Every Pixel
Mark Weber, Jun Xie, Maxwell Collins, Yukun Zhu, Paul Voigtlaender, Hartwig Adam, Bradley Green, Andreas Geiger,
Bastian Leibe, Daniel Cremers, Aljosa Osep, Laura Leal-Taixe, Liang-Chieh Chen
In Neural Information Processing Systems (NeurIPS) Track on Datasets and Benchmarks, Virtual, December 2021.
[preprint (arxiv: 2102.11859)] [DeepLab2 code] [STQ numpy code] [KITTI-STEP] [MOTChallenge-STEP]

vip_deeplab 

ViP-DeepLab: Learning Visual Perception with Depth-aware Video Panoptic Segmentation
Siyuan Qiao, Yukun Zhu, Hartwig Adam, Alan Yuille, Liang-Chieh Chen
In Conference on Computer Vision and Pattern Recognition (CVPR), Virtual, June 2021.
[preprint (arxiv: 2012.05258)] [video demo] [dataset and evaluation code] [DeepLab2 code] [Google AI Blog post]

max_deeplab 

MaX-DeepLab: End-to-End Panoptic Segmentation with Mask Transformers
Huiyu Wang, Yukun Zhu, Hartwig Adam, Alan Yuille, Liang-Chieh Chen
In Conference on Computer Vision and Pattern Recognition (CVPR), Virtual, June 2021.
[preprint (arxiv: 2012.00759)] [DeepLab2 code] [Google AI Blog post]

swidernet 

Scaling Wide Residual Networks for Panoptic Segmentation
Liang-Chieh Chen, Huiyu Wang, Siyuan Qiao
Technical report
[preprint (arxiv: 2011.11675)] [DeepLab2 code]

pose_embedding_2 

View-Invariant, Occlusion-Robust Probabilistic Embedding for Human Pose
Ting Liu, Jennifer J. Sun, Long Zhao, Jiaping Zhao, Liangzhe Yuan, Yuxiao Wang, Liang-Chieh Chen, Florian Schroff, Hartwig Adam
International Journal of Computer Vision (IJCV)
[preprint (arxiv: 2010.13321)]

detectors 

DetectoRS: Detecting Objects with Recursive Feature Pyramid and Switchable Atrous Convolution
Siyuan Qiao, Liang-Chieh Chen, Alan Yuille
In Conference on Computer Vision and Pattern Recognition (CVPR), Virtual, June 2021.
[preprint (arxiv: 2006.02334)] [code]

ssl_panoptic_deeplab 

Naive-Student: Leveraging Semi-Supervised Learning in Video Sequences for Urban Scene Segmentation
Liang-Chieh Chen, Raphael Gontijo Lopes, Bowen Cheng, Maxwell D. Collins, Ekin D. Cubuk, Barret Zoph, Hartwig Adam, Jonathon Shlens
In European Conference on Computer Vision (ECCV), Glasgow, United Kingdom (Virtual), August 2020.
[preprint (arxiv: 2005.10266)]

axial_deeplab 

Axial-DeepLab: Stand-Alone Axial-Attention for Panoptic Segmentation (spotlight)
Huiyu Wang, Yukun Zhu, Bradley Green, Hartwig Adam, Alan Yuille, Liang-Chieh Chen
In European Conference on Computer Vision (ECCV), Glasgow, United Kingdom (Virtual), August 2020.
[preprint (arxiv: 2003.07853)] [unofficial PyTorch re-implementation] [video]
[DeepLab2 code (official implementation)] [Google AI Blog post]

pose_embedding 

View-Invariant Probabilistic Embedding for Human Pose (spotlight)
Jennifer J. Sun, Jiaping Zhao, Liang-Chieh Chen, Florian Schroff, Hartwig Adam, Ting Liu
In European Conference on Computer Vision (ECCV), Glasgow, United Kingdom (Virtual), August 2020.
[preprint (arxiv: 1912.01001)] [Google AI Blog post]

panoptic_deeplab_2 

Panoptic-DeepLab: A Simple, Strong, and Fast Baseline for Bottom-Up Panoptic Segmentation
Bowen Cheng, Maxwell D. Collins, Yukun Zhu, Ting Liu, Thomas S. Huang, Hartwig Adam, Liang-Chieh Chen
In Conference on Computer Vision and Pattern Recognition (CVPR), Virtual, June 2020.
[preprint (arxiv: 1911.10194)] [unofficial PyTorch re-implementation] [Detectron2/projects/Panoptic-DeepLab (unofficial re-implementation)]
[DeepLab2 code (official implementation)] [Google AI-Blog post]

panoptic_deeplab 

Panoptic-DeepLab
Bowen Cheng, Maxwell D. Collins, Yukun Zhu, Ting Liu, Thomas S. Huang, Hartwig Adam, Liang-Chieh Chen
In ICCV 2019 Joint COCO and Mapillary Recognition Challenge Workshop.
Best result, best paper and most innovative awards on Mapillary Vistas Panoptic Segmentation track.
[preprint (arxiv: 1910.04751)]

segsort 

SegSort: Segmentation by Discriminative Sorting of Segments
Jyh-Jing Hwang, Stella X. Yu, Jianbo Shi, Maxwell Collins, Tien-Ju Yang, Xiao Zhang, Liang-Chieh Chen
In International Conference on Computer Vision (ICCV), Seoul, Korea, October 2019.
[preprint (arxiv: 1910.06962)] [website and code]

spgnet 

SPGNet: Semantic Prediction Guidance for Scene Parsing
Bowen Cheng, Liang-Chieh Chen, Yunchao Wei, Yukun Zhu, Zilong Huang, Jinjun Xiong, Thomas Huang, Wen-Mei Hwu, Honghui Shi
In International Conference on Computer Vision (ICCV), Seoul, Korea, October 2019.
[preprint (arxiv: 1908.09798)]

mobilenetv3 

Searching for MobileNetV3 (oral)
Andrew Howard, Mark Sandler, Grace Chu, Liang-Chieh Chen, Bo Chen, Mingxing Tan, Weijun Wang, Yukun Zhu, Ruoming Pang, Vijay Vasudevan, Quoc V. Le, Hartwig Adam
In International Conference on Computer Vision (ICCV), Seoul, Korea, October 2019.
[preprint (arxiv: 1905.02244)] [code for (image classification), (object detection), and (semantic segmentation)] [Google AI Blog post]

feelvos 

FEELVOS: Fast End-to-End Embedding Learning for Video Object Segmentation
Paul Voigtlaender, Yuning Chai, Florian Schroff, Hartwig Adam, Bastian Leibe, Liang-Chieh Chen
In Conference on Computer Vision and Pattern Recognition (CVPR), Long Beach, California, USA, June 2019.
[preprint (arxiv: 1902.09513)] [code]

deeperlab 

DeeperLab: Single-Shot Image Parser
Tien-Ju Yang, Maxwell D. Collins, Yukun Zhu, Jyh-Jing Hwang, Ting Liu, Xiao Zhang, Vivienne Sze, George Papandreou, Liang-Chieh Chen
Technical report
[preprint (arxiv: 1902.05093)] [evaluation code]

auto-deeplab 

Auto-DeepLab: Hierarchical Neural Architecture Search for Semantic Image Segmentation (oral)
Chenxi Liu, Liang-Chieh Chen, Florian Schroff, Hartwig Adam, Wei Hua, Alan Yuille, Li Fei-Fei
In Conference on Computer Vision and Pattern Recognition (CVPR), Long Beach, California, USA, June 2019.
[preprint (arxiv: 1901.02985)] [code]

decoder_ijcv 

The Devil is in the Decoder: Classification, Regression and GANs
Zbigniew Wojna, Vittorio Ferrari, Sergio Guadarrama, Nathan Silberman, Liang-Chieh Chen, Alireza Fathi, Jasper Uijlings
International Journal of Computer Vision (IJCV)
[preprint (arxiv: 1707.05847)]

dpc 

Searching for Efficient Multi-Scale Architectures for Dense Image Prediction
Liang-Chieh Chen, Maxwell D. Collins, Yukun Zhu, George Papandreou, Barret Zoph, Florian Schroff, Hartwig Adam, Jonathon Shlens
In Neural Information Processing Systems (NeurIPS), Montréal, Canada, December 2018.
[preprint (arxiv: 1809.04184)] [code] [poster]

personlab 

PersonLab: Person Pose Estimation and Instance Segmentation with a Bottom-Up, Part-Based, Geometric Embedding Model
George Papandreou, Tyler Zhu, Liang-Chieh Chen, Spyros Gidaris, Jonathan Tompson, Kevin Murphy
In European Conference on Computer Vision (ECCV), Munich, Germany, September 2018.
[preprint (arxiv: 1803.08225)]

deeplabv3plus 

Encoder-Decoder with Atrous Separable Convolution for Semantic Image Segmentation
Liang-Chieh Chen, Yukun Zhu, George Papandreou, Florian Schroff, Hartwig Adam
In European Conference on Computer Vision (ECCV), Munich, Germany, September 2018.
[preprint (arxiv: 1802.02611)] [code] [Google AI Blog post]

mobilenetv2 

MobileNetV2: Inverted Residuals and Linear Bottlenecks
Mark Sandler, Andrew Howard, Menglong Zhu, Andrey Zhmoginov, Liang-Chieh Chen
In Conference on Computer Vision and Pattern Recognition (CVPR), Salt Lake City, Utah, USA, June 2018.
[preprint (arxiv: 1801.04381)] [code] [Google AI Blog post]

masklab 

MaskLab: Instance Segmentation by Refining Object Detection with Semantic and Direction Features
Liang-Chieh Chen, Alexander Hermans, George Papandreou, Florian Schroff, Peng Wang, Hartwig Adam
In Conference on Computer Vision and Pattern Recognition (CVPR), Salt Lake City, Utah, USA, June 2018.
[preprint (arxiv: 1712.04837)]

decoder 

The Devil is in the Decoder
Zbigniew Wojna, Vittorio Ferrari, Sergio Guadarrama, Nathan Silberman, Liang-Chieh Chen, Alireza Fathi, Jasper Uijlings
In British Machine Vision Conference (BMVC), Imperial College London, September 2017.
[preprint (arxiv: 1707.05847)]

deeplabv3 

Rethinking Atrous Convolution for Semantic Image Segmentation
Liang-Chieh Chen, George Papandreou, Florian Schroff, Hartwig Adam
Technical report
[preprint (arxiv: 1706.05587)] [code]

aspp 

DeepLab: Semantic Image Segmentation with Deep Convolutional Nets, Atrous Convolution, and Fully Connected CRFs
Liang-Chieh Chen*, George Papandreou*, Iasonas Kokkinos, Kevin Murphy, Alan L. Yuille (*equal contribution)
Transactions on Pattern Analysis and Machine Intelligence (TPAMI)
[preprint (arxiv: 1606.00915)] [project] [code]

hazn 

Zoom Better to See Clearer: Human Part Segmentation with Auto Zoom Net
Fangting Xia, Peng Wang, Liang-Chieh Chen, Alan L. Yuille
In European Conference on Computer Vision (ECCV), Amsterdam, Netherlands, October 2016.
[preprint (arxiv: 1511.06881)]

deeplab_dt 

Semantic Image Segmentation with Task-Specific Edge Detection Using CNNs and a Discriminatively Trained Domain Transform
Liang-Chieh Chen, Jonathan T. Barron, George Papandreou, Kevin Murphy, Alan L. Yuille
In Conference on Computer Vision and Pattern Recognition (CVPR), Las Vegas, Nevada, USA, June 2016.
[preprint (arxiv: 1511.03328)] [project] [code]

deeplab_attention 

Attention to Scale: Scale-aware Semantic Image Segmentation
Liang-Chieh Chen, Yi Yang, Jiang Wang, Wei Xu, Alan L. Yuille
In Conference on Computer Vision and Pattern Recognition (CVPR), Las Vegas, Nevada, USA, June 2016.
[preprint (arxiv: 1511.03339)] [Test results on subset of MPII] [project] [code] [PASCAL-Person-Part dataset] [PASCAL-Person-Part original webiste]

abc_cnn 

ABC-CNN: An Attention Based Convolutional Neural Network for Visual Question Answering
Kan Chen, Jiang Wang, Liang-Chieh Chen, Haoyuan Gao, Wei Xu, Ram Nevatia
Technical Report
[preprint (arxiv: 1511.05960)]

deeplab_semi 

Weakly- and Semi-Supervised Learning of a Deep Convolutional Network for Semantic Image Segmentation
George Papandreou*, Liang-Chieh Chen*, Kevin Murphy, Alan L. Yuille
(*equal contribution)
International Conference on Computer Vision (ICCV), Santiago, Chile, December 2015.
[preprint (arxiv: 1502.02734)] [spotlight] [project] [code]

DeepStructured 

Learning Deep Structured Models (oral)
Liang-Chieh Chen*, Alexander G. Schwing*, Alan L. Yuille, Raquel Urtasun
(*equal contribution)
International Conference on Machine Learning (ICML), Lille, France, July 2015.
[pdf] [talk]

deeplab 

Semantic Image Segmentation with Deep Convolutional Nets and Fully Connected CRFs
Liang-Chieh Chen*, George Papandreou*, Iasonas Kokkinos, Kevin Murphy, Alan L. Yuille
(*equal contribution)
International Conference on Learning Representations (ICLR), San Diego, California, USA, May 2015.
[preprint (arXiv:1412.7062)] [project] [code]

SegKITTI 

Beat the MTurkers: Automatic Image Labeling from Weak 3D Supervision
Liang-Chieh Chen, Sanja Fidler, Alan L. Yuille, Raquel Urtasun
In Conference on Computer Vision and Pattern Recognition (CVPR), Columbus, Ohio, USA, June 2014.
[pdf] [Supplementary Doc] [project] [CAD models]

Mini-epitomes 

Modeling Image Patches with a Generic Dictionary of Mini-Epitomes
George Papandreou, Liang-Chieh Chen, Alan L. Yuille
In Conference on Computer Vision and Pattern Recognition (CVPR), Columbus, Ohio, USA, June 2014.
[pdf] [Supplementary Doc]

Shape epitome CRF 

Learning a Dictionary of Shape Epitomes with Applications to Image Labeling
Liang-Chieh Chen, George Papandreou, Alan L. Yuille
In International Conference on Computer Vision (ICCV), Sydney, Australia, Dec. 2013.
[pdf] [Supplementary Doc]

Activities

Interns whom I had the pleasure to work with

While at ByteDance / TikTok:

While at Google:

US Patents