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Recently, vision-language pretraining has emerged as a transformative technique that integrates the strengths of both visual and textual modalities, resulting in powerful vision-language models (VLMs). Leveraging web-scale pretraining data,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Xinyao Li , Jingjing Li , Fengling Li , Lei Zhu , Yang Yang , Heng Tao Shen

The integration of vision-language modalities has been a significant focus in multimodal learning, traditionally relying on Vision-Language Pretrained Models. However, with the advent of Large Language Models (LLMs), there has been a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Xiaorui Ma , Haoran Xie , S. Joe Qin

This paper presents Audio-Visual LLM, a Multimodal Large Language Model that takes both visual and auditory inputs for holistic video understanding. A key design is the modality-augmented training, which involves the integration of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Fangxun Shu , Lei Zhang , Hao Jiang , Cihang Xie

Point-Level temporal action localization (PTAL) aims to localize actions in untrimmed videos with only one timestamp annotation for each action instance. Existing methods adopt the frame-level prediction paradigm to learn from the sparse…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Chen Ju , Peisen Zhao , Ya Zhang , Yanfeng Wang , Qi Tian

Video-and-language understanding has a variety of applications in the industry, such as video question answering, text-video retrieval, and multi-label classification. Existing video-and-language understanding methods generally adopt heavy…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Jiaqi Xu , Bo Liu , Yunkuo Chen , Mengli Cheng , Xing Shi

Video Large Language Models (Video LLMs) have recently exhibited remarkable capabilities in general video understanding. However, they mainly focus on holistic comprehension and struggle with capturing fine-grained spatial and temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Yuqian Yuan , Hang Zhang , Wentong Li , Zesen Cheng , Boqiang Zhang , Long Li , Xin Li , Deli Zhao , Wenqiao Zhang , Yueting Zhuang , Jianke Zhu , Lidong Bing

This paper examines the performance of Multimodal LLMs (MLLMs) in skilled production work, with a focus on welding. Using a novel data set of real-world and online weld images, annotated by a domain expert, we evaluate the performance of…

Computation and Language · Computer Science 2025-03-24 Grigorii Khvatskii , Yong Suk Lee , Corey Angst , Maria Gibbs , Robert Landers , Nitesh V. Chawla

Multimodal Large Language Models (MLLMs) have demonstrated remarkable capabilities across a wide range of vision-language tasks. However, their performance as embodied agents, which requires multi-round dialogue spatial reasoning and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Xunyi Zhao , Gengze Zhou , Qi Wu

Contemporary Vision-Language Models (VLMs) achieve strong performance on a wide range of tasks by pairing a vision encoder with a pre-trained language model, fine-tuned for visual-text inputs. Yet despite these gains, it remains unclear how…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Lachin Naghashyar , Hunar Batra , Ashkan Khakzar , Philip Torr , Ronald Clark , Christian Schroeder de Witt , Constantin Venhoff

Long-term action recognition (LTAR) is challenging due to extended temporal spans with complex atomic action correlations and visual confounders. Although vision-language models (VLMs) have shown promise, they often rely on statistical…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Xu Shaowu , Jia Xibin , Gao Junyu , Sun Qianmei , Chang Jing , Fan Chao

Multi-task learning (MTL) enables simultaneous training across related tasks, leveraging shared information to improve generalization, efficiency, and robustness, especially in data-scarce or high-dimensional scenarios. While deep learning…

Machine Learning · Computer Science 2025-10-31 Fatemeh Bazikar , Hossein Moosaei , Atefeh Hemmati , Panos M. Pardalos

This paper presents a comprehensive survey of vision-language (VL) intelligence from the perspective of time. This survey is inspired by the remarkable progress in both computer vision and natural language processing, and recent trends…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Feng Li , Hao Zhang , Yi-Fan Zhang , Shilong Liu , Jian Guo , Lionel M. Ni , PengChuan Zhang , Lei Zhang

Recent advancements in Multimodal Large Language Models (MLLMs) have significantly enhanced performance on 2D visual tasks. However, improving their spatial intelligence remains a challenge. Existing 3D MLLMs always rely on additional 3D or…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Diankun Wu , Fangfu Liu , Yi-Hsin Hung , Yueqi Duan

Multimodal large language models (MLLMs) have advanced vision-language reasoning and are increasingly deployed in embodied agents. However, significant limitations remain: MLLMs generalize poorly across digital-physical spaces and…

Owing to their ability to extract relevant spatio-temporal video embeddings, Vision Transformers (ViTs) are currently the best performing models in video action understanding. However, their generalization over domains or datasets is…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Hui Lu , Hu Jian , Ronald Poppe , Albert Ali Salah

Weakly supervised temporal action localization is a challenging task as only the video-level annotation is available during the training process. To address this problem, we propose a two-stage approach to fully exploit multi-resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Rui Su , Dong Xu , Luping Zhou , Wanli Ouyang

Time-series anomaly detection (TSAD) has played a vital role in a variety of fields, including healthcare, finance, and sensor-based condition monitoring. Prior methods, which mainly focus on training domain-specific models on numerical…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Zelin He , Sarah Alnegheimish , Matthew Reimherr

We introduce SAM4MLLM, an innovative approach which integrates the Segment Anything Model (SAM) with Multi-Modal Large Language Models (MLLMs) for pixel-aware tasks. Our method enables MLLMs to learn pixel-level location information without…

Artificial Intelligence · Computer Science 2024-12-17 Yi-Chia Chen , Wei-Hua Li , Cheng Sun , Yu-Chiang Frank Wang , Chu-Song Chen

Weakly-supervised Temporal Action Localization (WSTAL) aims to localize actions in untrimmed videos using only video-level supervision. Latest WSTAL methods introduce pseudo label learning framework to bridge the gap between…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Qianhan Feng , Wenshuo Li , Tong Lin , Xinghao Chen

Large language models (LLMs) have revolutionized video-based computer vision applications, including action recognition, anomaly detection, and video summarization. Videos inherently pose unique challenges, combining spatial complexity with…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Xi Ding , Lei Wang