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Projective analysis is an important solution for 3D shape retrieval, since human visual perceptions of 3D shapes rely on various 2D observations from different view points. Although multiple informative and discriminative views are…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Song Bai , Xiang Bai , Zhichao Zhou , Zhaoxiang Zhang , Longin Jan Latecki

Text-to-image (T2I) generation has greatly enhanced creative expression, yet achieving preference-aligned generation in a real-time and training-free manner remains challenging. Previous methods often rely on static, pre-collected…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Yang Li , Songlin Yang , Xiaoxuan Han , Wei Wang , Jing Dong , Yueming Lyu , Ziyu Xue

Video Large Language Models (VLLMs) excel in video understanding, but their excessive visual tokens pose a significant computational challenge for real-world applications. Current methods aim to enhance inference efficiency by visual token…

计算机视觉与模式识别 · 计算机科学 2025-08-29 Junpeng Ma , Qizhe Zhang , Ming Lu , Zhibin Wang , Qiang Zhou , Jun Song , Shanghang Zhang

Rapid identification of candidate materials with target properties has become a key task in materials science. Machine learning has emerged as an alternative to physics-based simulation, offering a faster and cheaper way to filter materials…

人工智能 · 计算机科学 2026-05-19 Claire Schlesinger , Circe Hsu , Peter Schindler , Robin Walters

Notable breakthroughs in unified understanding and generation modeling have led to remarkable advancements in image understanding, reasoning, production and editing, yet current foundational models predominantly focus on processing images,…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Zhiyu Tan , Hao Yang , Luozheng Qin , Jia Gong , Mengping Yang , Hao Li

Temporal Video Grounding (TVG), the task of locating specific video segments based on language queries, is a core challenge in long-form video understanding. While recent Large Vision-Language Models (LVLMs) have shown early promise in…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Ye Wang , Ziheng Wang , Boshen Xu , Yang Du , Kejun Lin , Zihan Xiao , Zihao Yue , Jianzhong Ju , Liang Zhang , Dingyi Yang , Xiangnan Fang , Zewen He , Zhenbo Luo , Wenxuan Wang , Junqi Lin , Jian Luan , Qin Jin

Video Large Language Models (Video-LLMs) excel at understanding videos in-context, provided they have full access to the video when answering queries. However, these models face challenges in streaming scenarios where hour-long videos must…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Vaggelis Dorovatas , Soroush Seifi , Gunshi Gupta , Rahaf Aljundi

Modern video editing techniques have achieved high visual fidelity when inserting video objects. However, they focus on optimizing visual fidelity rather than physical causality, leading to edits that are physically inconsistent with their…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Bohai Gu , Taiyi Wu , Dazhao Du , Jian Liu , Shuai Yang , Xiaotong Zhao , Alan Zhao , Song Guo

Multimodal Large Language Models (MLLMs) are widely used for visual perception, understanding, and reasoning. However, long video processing and precise moment retrieval remain challenging due to LLMs' limited context size and coarse frame…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Weiheng Lu , Jian Li , An Yu , Ming-Ching Chang , Shengpeng Ji , Min Xia

Instruction-based image editing has achieved remarkable progress; however, models solely trained via supervised fine-tuning often overfit to annotated patterns, hindering their ability to explore and generalize beyond training…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Zongjian Li , Zheyuan Liu , Qihui Zhang , Bin Lin , Feize Wu , Shenghai Yuan , Zhiyuan Yan , Yang Ye , Wangbo Yu , Yuwei Niu , Shaodong Wang , Xinhua Cheng , Li Yuan

Addressing the issues of who saying what to whom in multi-party conversations (MPCs) has recently attracted a lot of research attention. However, existing methods on MPC understanding typically embed interlocutors and utterances into…

计算与语言 · 计算机科学 2023-07-19 Jia-Chen Gu , Zhen-Hua Ling , Quan Liu , Cong Liu , Guoping Hu

The growing complexity and diversity of news coverage have made framing analysis a crucial yet challenging task in computational social science. Traditional approaches, including manual annotation and fine-tuned models, remain limited by…

计算与语言 · 计算机科学 2026-05-22 Valeria Pastorino , Jasivan A. Sivakumar , Nafise Sadat Moosavi

Vision-Language Models (VLMs) have recently shown promising advancements in sequential decision-making tasks through task-specific fine-tuning. However, common fine-tuning methods, such as Supervised Fine-Tuning (SFT) and Reinforcement…

计算与语言 · 计算机科学 2025-03-26 Haoqiang Kang , Enna Sachdeva , Piyush Gupta , Sangjae Bae , Kwonjoon Lee

Recent advances in large video-language models (VLMs) rely on extensive fine-tuning techniques that strengthen alignment between textual and visual comprehension. Leading pipelines typically pair supervised fine-tuning (SFT) with…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Derek Shi , Ruben Glatt , Christine Klymko , Shubham Mohole , Hongjun Choi , Shashank Kushwaha , Sam Sakla , Felipe Leno da Silva

Despite recent advances in Video Large Language Models (VideoLLMs), effectively understanding long-form videos remains a significant challenge. Perceiving lengthy videos containing thousands of frames poses substantial computational burden.…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Linli Yao , Haoning Wu , Kun Ouyang , Yuanxing Zhang , Caiming Xiong , Bei Chen , Xu Sun , Junnan Li

Long video understanding is inherently challenging for vision-language models (VLMs) because of the extensive number of frames. With each video frame typically expanding into tens or hundreds of tokens, the limited context length of large…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Zheyu Zhang , Ziqi Pang , Shixing Chen , Xiang Hao , Vimal Bhat , Yu-Xiong Wang

In this paper, Gated-ViGAT, an efficient approach for video event recognition, utilizing bottom-up (object) information, a new frame sampling policy and a gating mechanism is proposed. Specifically, the frame sampling policy uses weighted…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Nikolaos Gkalelis , Dimitrios Daskalakis , Vasileios Mezaris

Video Large Language Models (Video LLMs) have achieved significant success by adopting the paradigm of large-scale pre-training followed by supervised fine-tuning (SFT). However, existing approaches struggle with temporal reasoning due to…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Shicheng Li , Lei Li , Kun Ouyang , Shuhuai Ren , Yuanxin Liu , Yuanxing Zhang , Fuzheng Zhang , Lingpeng Kong , Qi Liu , Xu Sun

In the paradigm of AI-generated content (AIGC), there has been increasing attention to transferring knowledge from pre-trained text-to-image (T2I) models to text-to-video (T2V) generation. Despite their effectiveness, these frameworks face…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Susung Hong , Junyoung Seo , Heeseong Shin , Sunghwan Hong , Seungryong Kim

Visual Language Models (VLMs) are now increasingly being merged with Large Language Models (LLMs) to enable new capabilities, particularly in terms of improved interactivity and open-ended responsiveness. While these are remarkable…