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Recent progress in large models has led to significant advances in unified multimodal generation and understanding. However, the development of models that unify motion-language generation and understanding remains largely underexplored.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Zekun Li , Sizhe An , Chengcheng Tang , Chuan Guo , Ivan Shugurov , Linguang Zhang , Amy Zhao , Srinath Sridhar , Lingling Tao , Abhay Mittal

Multimodal large language models (MLLMs) integrate image features from visual encoders with LLMs, demonstrating advanced comprehension capabilities. However, mainstream MLLMs are solely supervised by the next-token prediction of textual…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Yunnan Wang , Fan Lu , Kecheng Zheng , Ziyuan Huang , Ziqiang Li , Wenjun Zeng , Xin Jin

Video-Action Models (VAMs) have emerged as a promising framework for embodied intelligence, learning implicit world dynamics from raw video streams to produce temporally consistent action predictions. Although such models demonstrate strong…

With recent progress in joint modeling of visual and textual representations, Vision-Language Pretraining (VLP) has achieved impressive performance on many multimodal downstream tasks. However, the requirement for expensive annotations…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Zirui Wang , Jiahui Yu , Adams Wei Yu , Zihang Dai , Yulia Tsvetkov , Yuan Cao

Large language models (LLMs) have shown promising capabilities in visually interpreting medical time-series data. However, their general-purpose design can limit domain-specific precision, and the proprietary nature of many models poses…

Artificial Intelligence · Computer Science 2025-07-22 Huayu Li , Zhengxiao He , Xiwen Chen , Ci Zhang , Stuart F. Quan , William D. S. Killgore , Shu-Fen Wung , Chen X. Chen , Geng Yuan , Jin Lu , Ao Li

Vision-language (VL) Pre-training (VLP) has shown to well generalize VL models over a wide range of VL downstream tasks, especially for cross-modal retrieval. However, it hinges on a huge amount of image-text pairs, which requires tedious…

Information Retrieval · Computer Science 2023-07-20 Zixin Guo , Tzu-Jui Julius Wang , Selen Pehlivan , Abduljalil Radman , Jorma Laaksonen

Weakly supervised temporal action localization (WSTAL) aims to localize actions in untrimmed videos using video-level labels. Despite recent advances, existing approaches mainly follow a localization-by-classification pipeline, generally…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Songchun Zhang , Chunhui Zhao

Despite recent advancements in Multi-modal Large Language Models (MLLMs) on diverse understanding tasks, these models struggle to solve problems which require extensive multi-step reasoning. This is primarily due to the progressive dilution…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Byungwoo Jeon , Yoonwoo Jeong , Hyunseok Lee , Minsu Cho , Jinwoo Shin

We introduce TemporalVLM, a video large language model (video LLM) for temporal reasoning and fine-grained understanding in long videos. Our approach includes a visual encoder for mapping a long-term video into features which are time-aware…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Fawad Javed Fateh , Umer Ahmed , Hamza Khan , M. Zeeshan Zia , Quoc-Huy Tran

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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Shicheng Li , Lei Li , Kun Ouyang , Shuhuai Ren , Yuanxin Liu , Yuanxing Zhang , Fuzheng Zhang , Lingpeng Kong , Qi Liu , Xu Sun

Detecting actions in videos have been widely applied in on-device applications. Practical on-device videos are always untrimmed with both action and background. It is desirable for a model to both recognize the class of action and localize…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Yue Tang , Yawen Wu , Peipei Zhou , Jingtong Hu

Current weakly supervised video anomaly detection (WSVAD) task aims to achieve frame-level anomalous event detection with only coarse video-level annotations available. Existing works typically involve extracting global features from…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Peng Wu , Xuerong Zhou , Guansong Pang , Zhiwei Yang , Qingsen Yan , Peng Wang , Yanning Zhang

With video-level labels, weakly supervised temporal action localization (WTAL) applies a localization-by-classification paradigm to detect and classify the action in untrimmed videos. Due to the characteristic of classification,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Ziqiang Li , Yongxin Ge , Jiaruo Yu , Zhongming Chen

The recent development of Video-based Large Language Models (VideoLLMs), has significantly advanced video summarization by aligning video features and, in some cases, audio features with Large Language Models (LLMs). Each of these VideoLLMs…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Kuan-Chen Mu , Zhi-Yi Chin , Wei-Chen Chiu

In recent years, the parameters of backbones of Video Understanding tasks continue to increase and even reach billion-level. Whether fine-tuning a specific task on the Video Foundation Model or pre-training the model designed for the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Zeyi Bo , Wuxi Sun , Ye Jin

Compared with the domain-specific model, the vision-language pre-training models (VLPMs) have shown superior performance on downstream tasks with fast fine-tuning process. For example, ERNIE-ViL, Oscar and UNIMO trained VLPMs with a uniform…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Sha Yuan , Shuai Zhao , Jiahong Leng , Zhao Xue , Hanyu Zhao , Peiyu Liu , Zheng Gong , Wayne Xin Zhao , Junyi Li , Jie Tang

We target at the task of weakly-supervised action localization (WSAL), where only video-level action labels are available during model training. Despite the recent progress, existing methods mainly embrace a localization-by-classification…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Junyu Gao , Mengyuan Chen , Changsheng Xu

Large Language Models (LLMs) have so far impressed the world, with unprecedented capabilities that emerge in models at large scales. On the vision side, transformer models (i.e., ViT) are following the same trend, achieving the best…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Mustafa Shukor , Corentin Dancette , Matthieu Cord

Weakly-supervised temporal action localization aims to localize and recognize actions in untrimmed videos with only video-level category labels during training. Without instance-level annotations, most existing methods follow the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Huan Ren , Wenfei Yang , Tianzhu Zhang , Yongdong Zhang

This paper does not introduce a novel method but instead establishes a straightforward, incremental, yet essential baseline for video temporal grounding (VTG), a core capability in video understanding. While multimodal large language models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Jun Zhang , Teng Wang , Yuying Ge , Yixiao Ge , Xinhao Li , Ying Shan , Limin Wang