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Surgical video generation can enhance medical education and research, but existing methods lack fine-grained motion control and realism. We introduce SurgSora, a framework that generates high-fidelity, motion-controllable surgical videos…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Tong Chen , Shuya Yang , Junyi Wang , Long Bai , Hongliang Ren , Luping Zhou

Recognizing various surgical tools, actions and phases from surgery videos is an important problem in computer vision with exciting clinical applications. Existing deep-learning-based methods for this problem either process each surgical…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Haifeng Wang , Hao Xu , Jun Wang , Jian Zhou , Ke Deng

In recent years, vision language models (VLMs) have made significant advancements in video understanding. However, a crucial capability - fine-grained motion comprehension - remains under-explored in current benchmarks. To address this gap,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Wenyi Hong , Yean Cheng , Zhuoyi Yang , Weihan Wang , Lefan Wang , Xiaotao Gu , Shiyu Huang , Yuxiao Dong , Jie Tang

Reinforcement learning from verifiable rewards (RLVR) has demonstrated remarkable effectiveness in improving the reasoning capabilities of large language models. As models evolve into natively multimodal architectures, extending RLVR to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Chuanyu Qin , Chenxu Yang , Qingyi Si , Naibin Gu , Dingyu Yao , Zheng Lin , Peng Fu , Nan Duan , Jiaqi Wang

Continued advances in self-supervised learning have led to significant progress in video representation learning, offering a scalable alternative to supervised approaches by removing the need for manual annotations. Despite strong…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Fida Mohammad Thoker , Letian Jiang , Chen Zhao , Piyush Bagad , Hazel Doughty , Bernard Ghanem , Cees G. M. Snoek

Automated video-based assessment of surgical skills is a promising task in assisting young surgical trainees, especially in poor-resource areas. Existing works often resort to a CNN-LSTM joint framework that models long-term relationships…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 Zhenqiang Li , Lin Gu , Weimin Wang , Ryosuke Nakamura , Yoichi Sato

Indexing endoscopic surgical videos is vital in surgical data science, forming the basis for systematic retrospective analysis and clinical performance evaluation. Despite its significance, current video analytics rely on manual indexing, a…

Subtle semantic differences in retinal image and text data present great challenges for pre-training visual-language models. Moreover, false negative samples, i.e., image-text pairs having the same semantics but incorrectly regarded as…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Shengzhu Yang , Jiawei Du , Jia Guo , Weihang Zhang , Hanruo Liu , Huiqi Li , Ningli Wang

We introduce InternVideo2, a new family of video foundation models (ViFM) that achieve the state-of-the-art results in video recognition, video-text tasks, and video-centric dialogue. Our core design is a progressive training approach that…

We introduce a class of causal video understanding models that aims to improve efficiency of video processing by maximising throughput, minimising latency, and reducing the number of clock cycles. Leveraging operation pipelining and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Joao Carreira , Viorica Patraucean , Laurent Mazare , Andrew Zisserman , Simon Osindero

Deep learning has made great strides in medical imaging, enabled by hardware advances in GPUs. One major constraint for the development of new models has been the saturation of GPU memory resources during training. This is especially true…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Lucas W. Remedios , Leon Y. Cai , Samuel W. Remedios , Karthik Ramadass , Aravind Krishnan , Ruining Deng , Can Cui , Shunxing Bao , Lori A. Coburn , Yuankai Huo , Bennett A. Landman

Video understanding has witnessed significant progress with recent video foundation models demonstrating strong performance owing to self-supervised pre-training objectives; Masked Autoencoders (MAE) being the design of choice.…

Video understanding in multimodal language models remains limited by context length: models often miss key transition frames and struggle to maintain coherence across long time scales. To address this, we adapt Native Sparse Attention (NSA)…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Enxin Song , Wenhao Chai , Shusheng Yang , Ethan Armand , Xiaojun Shan , Haiyang Xu , Jianwen Xie , Zhuowen Tu

Online surgical phase recognition has drawn great attention most recently due to its potential downstream applications closely related to human life and health. Despite deep models have made significant advances in capturing the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Yufei Li , Jirui Wu , Long Tian , Liming Wang , Xiaonan Liu , Zijun Liu , Xiyang Liu

To ensure satisfactory clinical outcomes, surgical skill assessment must be objective, time-efficient, and preferentially automated - none of which is currently achievable. Video-based assessment (VBA) is being deployed in intraoperative…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Erim Yanik , Uwe Kruger , Xavier Intes , Rahul Rahul , Suvranu De

Ultra long video understanding remains an open challenge, as existing vision language models (VLMs) falter on such content due to limited context length and inefficient long term memory retention. To address this, recent works have…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Hongbo Jin , Qingyuan Wang , Wenhao Zhang , Yang Liu , Sijie Cheng

Minimally invasive image-guided surgery heavily relies on vision. Deep learning models for surgical video analysis could therefore support visual tasks such as assessing the critical view of safety (CVS) in laparoscopic cholecystectomy…

Image and Video Processing · Electrical Eng. & Systems 2021-09-21 Pietro Mascagni , Deepak Alapatt , Alain Garcia , Nariaki Okamoto , Armine Vardazaryan , Guido Costamagna , Bernard Dallemagne , Nicolas Padoy

The primary challenge in video super-resolution (VSR) is to handle large motions in the input frames, which makes it difficult to accurately aggregate information from multiple frames. Existing works either adopt deformable convolutions or…

Computer Vision and Pattern Recognition · Computer Science 2023-05-15 Zhihe Lu , Zeyu Xiao , Jiawang Bai , Zhiwei Xiong , Xinchao Wang

Video understanding represents the most challenging frontier in computer vision, requiring models to reason about complex spatiotemporal relationships, long-term dependencies, and multimodal evidence. The recent emergence of Video-Large…

Purpose: The objective of this investigation is to provide a comprehensive analysis of state-of-the-art methods for video-based assessment of surgical skill in the operating room. Methods: Using a data set of 99 videos of capsulorhexis, a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Sanchit Hira , Digvijay Singh , Tae Soo Kim , Shobhit Gupta , Gregory Hager , Shameema Sikder , S. Swaroop Vedula
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