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Haoji Zhang (张颢继)
I am a second-year master's student at
Shenzhen International Graduate
School,
Tsinghua University,
majoring in Data Science and Information Technology.
I expect to graduate in 2027.
I am fortunate to be supervised by
Prof. Yansong Tang
in IVG@SZ group.
Before that, I received my B.S. degree in
Mathematics and Physics
and B.E. degree in
Materials Science and Engineering
from Tsinghua University in 2024.
I feel honored to have internships in
Prof. Jun Zhu's TSAIL Lab,
Prof. Gao Huang's LEAP Lab,
ByteDance Seed / Intelligent Creation, working with amazing mentors such as
Dr. Yulin Wang,
Prof. Xiaojie Jin,
Dr. Jiashi Feng,
Dr. Longyin Wen.
My research focuses on building efficient and powerful
MLLMs
, including:
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Efficient Long Video Understanding:
AR,
VQA,
VTG,
STVG
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Large-scale MLLM Training:
PE,
PT,
SFT,
Post-Train
(GRPO,
Tool-RL)
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Agentic Model and Multimodal Reasoning
-
Unified Understanding and Generation Model
Google
Scholar
/
Email /
Github /
LinkedIn
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News
2026.01: We introduce Vidi2.5,
the open-source SOTA MLLM for long video
TR,
STG,
VQA and plot reasoning
(Core author)
2025.11: SC-CLIP
is accepted by TIP (CCF-A, Q1, IF=13.7)
2025.11: We introduce STVG-o1,
enabling chain-of-bboxes reasoning for spatial-temporal video grounding
(Co-First author)
2025.08: We open-source Thinking
With Videos / VITAL, the first agentic video reasoning RL framework
(First author)
2025.05: Flash-VStream
is accepted by ICCV'25 (First author,
CCF-A)
2025.05: Ponder
& Press is accepted by ACL'25 Findings (Co-First author, CCF-A)
2024.12: Uni-AdaFocus is
accepted by TPAMI (Co-First author, CCF-A,
Q1, IF=20.4)
2024.06: Flash-VStream
wins the 1st place on LOVEU@CVPR'24: Long-term VQA
2023.02: PREIM3D
is accepted by CVPR'23
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Publications and Preprints [ Full
List ]
(* Equal Contribution, † Corresponding Author)
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Honors and Awards
First-Class Outstanding Student Scholarship, Tsinghua University,
2025.
(清华大学校级一等综合优秀奖学金)
Beijing Outstanding Bachelor's Graduate, 2024. (北京市优秀毕业生, Top 5% in
Tsinghua University)
First-Class Outstanding Student Scholarship, Tsinghua University,
2023.
(清华大学校级一等综合优秀奖学金)
First-Class Outstanding Student Scholarship, Tsinghua University,
2022.
(清华大学校级一等综合优秀奖学金)
First-Class Outstanding Student Scholarship, Tsinghua University,
2021.
(清华大学校级一等综合优秀奖学金)
THUWC2019 Gold Medal, 2019.
(清华大学全国优秀中学生信息学冬令营金牌)
NOIWC2019 Silver Medal, 2019. (第36届全国信息学奥林匹克冬令营银牌)
NOI2019 Bronze Medal, 2019. (第36届全国信息学奥林匹克竞赛铜牌)
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Academic Services
Converence Reviewer: ICCV, AAAI, ICLR, CVPR
Journal Reviewer: JVCIR
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Contact
Email: hodge013140 [AT] gmail [DOT] com
WeChat: the same as email
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