My name is Haotian Zhang. I am pursuing a PhD degree in the Intelligent Visual Data Coding Laboratory at the University of Science and Technology of China (USTC). My supervisors are Professor Dong Liu and Professor Li Li.

My research interests include:

  • Image/Video compression
  • Machine learning
  • Computer vision

My recent research focuses on:

  • End-to-end optimization techniques for learned image/video compression
  • Practical learned image/video compression system

🎓 Educations

  • 2017.09 - 2021.06, Undergraduate, University of Science and Technology of China, School of Information Science and Technology.
  • 2021.09 - 2023.07, Master student, University of Science and Technology of China, Department of Electronic Engineering and Information Science.
  • 2023.08 - Now, PhD student, University of Science and Technology of China, Department of Electronic Engineering and Information Science.

💼 Internship

  • 2025.05 - Now, Tencent Media Lab.

📚 Publications

ICCV 2025
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  • Yuqi Li*, Haotian Zhang*, Li Li, Dong Liu. Learned Image Compression with Hierarchical Progressive Context Modeling. Accepted to International Conference on Computer Vision (ICCV), 2025. (*Equal contribution) [url] [url]
TCSVT 2025
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  • Haotian Zhang, Yuqi Li, Li Li, Dong Liu. Learning Switchable Priors for Neural Image Compression. IEEE Transactions on Circuits and Systems for Video Technology (TCSVT), 2025. [url] [url]
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  • Haotian Zhang, Dong Liu. The Gap Between Principle and Practice of Lossy Image Coding. Arxiv, 2025. [url]
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  • Yuqi Li, Haotian Zhang, Li Li, Dong Liu, Feng Wu. Scaling Learned Image Compression Models up to 1 Billion. Arxiv, 2025. [url]
TIP 2025
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  • Haotian Zhang, Li Li, Dong Liu. Generalized Gaussian Model for Learned Image Compression. IEEE Transactions on Image Processing (TIP), 2025. [url] [url]
PCS 2024
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  • Haotian Zhang, Feihong Mei, Junqi Liao, Li Li, Houqiang Li, Dong Liu. Practical Learned Image Compression with Online Encoder Optimization. Picture Coding Symposium (PCS), 2024. [url]
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  • Haotian Zhang, Li Li, Dong Liu. On Uniform Scalar Quantization for Learned Image Compression. Arxiv, 2023. [url]
ISCAS 2023
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  • Haotian Zhang, Junqi Liao, Yiheng Jiang, Li Li, Dong Liu. Padding-Aware Learned Image Compression. International Symposium on Circuits and Systems (ISCAS), 2023. [url]
  • Yiheng Jiang, Haotian Zhang, Li Li, Dong Liu, Zhu Li. Sparse Point Clouds Assisted Learned Image Compression. IEEE Transactions on Circuits and Systems for Video Technology (TCSVT), 2024. [url] [url]

  • Yuqi Li, Haotian Zhang, Xiaomin Song, Zheng Liu, Huiming Zheng, Li Li, Dong Liu. Deviation Control for Learned Image Compression. International Conference on Visual Communications and Image Processing (VCIP), 2024. [url]

  • Tianyu Zhang, Haotian Zhang, Yuqi Li, Li Li, Dong Liu. Few-Shot Domain Adaptation for Learned Image Compression. AAAI Conference on Artificial Intelligence (AAAI), 2025. [url] [url]

  • Yuqi Li, Haotian Zhang, Dong Liu. Flexible Coding Order for Learned Image Compression. International Conference on Visual Communications and Image Processing (VCIP), 2023. [url]

  • Chuanbo Tang, Xihua Sheng, Zhuoyuan Li, Haotian Zhang, Li Li, Dong Liu. Offline and Online Optical Flow Enhancement for Deep Video Compression. AAAI Conference on Artificial Intelligence (AAAI), 2024. [url] [url]

  • Zhuoyuan Li*, Junqi Liao*, Chuanbo Tang, Haotian Zhang, Yuqi Li, Yifan Bian, Xihua Sheng, Xinmin Feng, Yao Li, Changsheng Gao, Li Li, Dong Liu, Feng Wu. USTC-TD: A Test Dataset and Benchmark for Image and Video Coding in 2020s. IEEE Transactions on Multimedia (TMM), 2025. [url] (*Equal contribution)

  • Shuai Huo, Dong Liu, Haotian Zhang, Li Li, Siwei Ma, Feng Wu, Wen Gao. Towards Hybrid-optimization Video Coding. ACM Computing Surveys, 2024. [url]

  • Cunhui Dong, Haichuan Ma, Haotian Zhang, Changsheng Gao, Li Li, Dong Liu. Wavelet-Like Transform-Based Technology in Response to the Call for Proposals on Neural Network-Based Image Coding. Arxiv, 2024. [url]

📄 Standard Contributions

  • 2021.12 - 2024.12 Serves as a software coordinator of IEEE 1857.11.

    IEEE 1857.11 Proposals

  • Haotian Zhang, Yuqi Li, Li Li, Dong Liu. Explorative study of large-scale models for end-to-end image coding. VC-54-M473. 2024.
  • Yutao Xie, Rui Mao, Bowei Kang, Haotian Zhang, Li Li, Dong Liu, Xiaoyan Sun. Match the reference software with WD: lossless entropy model quantization for iWave. VC-54-M472. 2024. (Adopted)
  • Rui Mao, Yutao Xie, Bowei Kang, Haotian Zhang, Li Li, Dong Liu, Xiaoyan Sun. Match the reference software with WD: lossy entropy model quantization for iWave. VC-54-M471. 2024. (Adopted)
  • Tianyu Zhang, Zhirui Zuo, Haotian Zhang, Junqi Liao, Feihong Mei, Li Li, Dong Liu. CE5: Entropy codec engine convergence. VC-46-M407. 2023. (Adopted)
  • Yiheng Jiang, Haotian Zhang, Cunhui Dong, Li Li, Dong Liu. Entropy coding acceleration for iWave. VC-44-M394. 2023.
  • Bowei Kang, Haotian Zhang, Cunhui Dong, Li Li, Dong Liu. Match the reference software with WD: decoupling parsing and reconstruction process in iWave. VC-44-M393. 2023. (Adopted)
  • Haotian Zhang, Feihong Mei, Li Li, Dong Liu. Entropy codec engine convergence. VC-44-M392. 2023.
  • Haotian Zhang, Qiang Li, Cunhui Dong, Li Li, Dong Liu. Draft of algorithm description for iWave and test model 1.0. VC-39-M353. 2022.
  • Haotian Zhang, Dong Liu. An Image-to-prior Structure for Learned Image Compression. VC-38-M345. 2022.
  • Haichuan Ma, Cunhui Dong, Huairui Wang, Haotian Zhang, Zhe Zhang, Han Zhu, Ding Ding, Li Li, Xiaozhong Xu, Shan Liu, Zhenzhong Chen, Dong Liu. Response to the Call for Proposals on Neural Network-Based Image Coding by Team DwOTeo. VC-38-M326. 2022. (Adopted as reference software)
  • Haotian Zhang, Jianping Lin, Dong Liu. Suggestions on modifying the configuration of the anchor NIC. VC-36-M315. 2021. (Adopted)
  • Haotian Zhang, Jianping Lin, Li Li, Dong Liu. Rate control for NIC-0.4 through R-λ model. VC-36-M314. 2021.
  • Haotian Zhang, Jianping Lin, Li Li, Dong Liu. Algorithm description of VR-models for NIC-0.3 and NIC-0.4. VC-36-M313. 2021. (Adopted)
  • Haichuan Ma, Haotian Zhang, Li Li, Dong Liu. Suggestions on the standardization scope of neural network-based image coding standard. VC-36-M312. 2021.
  • Jianping Lin, Haotian Zhang, Dong Liu. Algorithm Description of NIC-0.2 using 3 Variable-Rate NIC Models. VC-34-M290. 2021. (Adopted)
  • Jianping Lin, Haotian Zhang, Dong Liu. Algorithm Description of Variable-Rate NIC Model. VC-33-M280. 2021. (Adopted)

AVS Proposals

  • 梁雄壮,唐传波,张昊田,李礼,刘东. EEM全局残差块PConv替换探索. M9050, 2025.
  • 李宇琪,张昊田,李瑶,李卓元,李礼,刘东. EEM I帧模型改进. M8984, 2025.
  • 梁雄壮,唐传波,张昊田,李礼,刘东. EEM基于部分卷积的网络轻量化设计. M8966, 2025. (Adopted)
  • 梁雄壮,唐传波,张昊田,李礼,刘东. 基于部分卷积的EEM运动编解码网络设计. M8820, 2025.

🏆 Challenge Awards

  • 2025.04 第五届全国人工智能大赛“AI+图像编码”赛道二等奖.
  • 2024.10 1st Prize Winner, Image Compression Performance \& Complexity Track and Video Compression Complexity Track, 3rd Practical End-to-End Compression Challenge.
  • 2023.12 1st Prize Winner, Image Compression Track, 2nd Practical End-to-End Compression Challenge.
  • 2022.12 2nd Prize Winner, Performance Track, 1st Practical End-to-End Image Compression Challenge.
  • 2022.07 第三届全国人工智能大赛“AI+视觉特征编码”赛道优胜奖.

🎖️ Honors

  • 安徽省优秀毕业生, 2021.
  • 中国科学技术大学优秀毕业生, 2021.
  • 中国科学技术大学第九届优秀学生“荣誉等级”称号, 2021.
  • 中国科学技术大学人工智能英才班
  • 中国科学技术大学信息科技英才班