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Spatio-temporal feature learning is of central importance for action recognition in videos. Existing deep neural network models either learn spatial and temporal features independently (C2D) or jointly with unconstrained parameters (C3D).…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Chao Li , Qiaoyong Zhong , Di Xie , Shiliang Pu

This paper addresses fast semantic segmentation on video.Video segmentation often calls for real-time, or even fasterthan real-time, processing. One common recipe for conserving computation arising from feature extraction is to propagate…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Shih-Po Lee , Si-Cun Chen , Wen-Hsiao Peng

Many methods for learning from video sequences involve temporally processing 2D CNN features from the individual frames or directly utilizing 3D convolutions within high-performing 2D CNN architectures. The focus typically remains on how to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-17 Logan Courtney , Ramavarapu Sreenivas

Accurate segmentation of regions of interest in biomedical images holds substantial value in image analysis. Although several foundation models for biomedical segmentation have currently achieved excellent performance on certain datasets,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Manyu Li , Ruian He , Zixian Zhang , Chenxi Ma , Weimin Tan , Bo Yan

Video Scene Graph Generation (VidSGG) aims to capture dynamic relationships among entities by sequentially analyzing video frames and integrating visual and semantic information. However, VidSGG is challenged by significant biases that skew…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Yanjun Li , Zhaoyang Li , Honghui Chen , Lizhi Xu

For semantic segmentation, most existing real-time deep models trained with each frame independently may produce inconsistent results for a video sequence. Advanced methods take into considerations the correlations in the video sequence,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Yifan Liu , Chunhua Shen , Changqian Yu , Jingdong Wang

Tracking geographic entities from historical maps, such as buildings, offers valuable insights into cultural heritage, urbanization patterns, environmental changes, and various historical research endeavors. However, linking these entities…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Xue Xia , Randall Balestriero , Tao Zhang , Lorenz Hurni

This paper addresses the task of segmenting class-agnostic objects in semi-supervised setting. Although previous detection based methods achieve relatively good performance, these approaches extract the best proposal by a greedy strategy,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Daizong Liu , Shuangjie Xu , Xiao-Yang Liu , Zichuan Xu , Wei Wei , Pan Zhou

Due to the lack of quality annotation in medical imaging community, semi-supervised learning methods are highly valued in image semantic segmentation tasks. In this paper, an advanced consistency-aware pseudo-label-based self-ensembling…

Image and Video Processing · Electrical Eng. & Systems 2024-02-12 Ziyang Wang , Tianze Li , Jian-Qing Zheng , Baoru Huang

Existing semi-supervised video object segmentation methods either focus on temporal feature matching or spatial-temporal feature modeling. However, they do not address the issues of sufficient target interaction and efficient parallel…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Deshui Miao , Xin Li , Zhenyu He , Huchuan Lu , Ming-Hsuan Yang

Performing a real-time and accurate instrument segmentation from videos is of great significance for improving the performance of robotic-assisted surgery. We identify two important clues for surgical instrument perception, including local…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Jiacheng Wang , Yueming Jin , Liansheng Wang , Shuntian Cai , Pheng-Ann Heng , Jing Qin

While pre-training large-scale video-language models (VLMs) has shown remarkable potential for various downstream video-language tasks, existing VLMs can still suffer from certain commonly seen limitations, e.g., coarse-grained cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Hao Fei , Shengqiong Wu , Meishan Zhang , Min Zhang , Tat-Seng Chua , Shuicheng Yan

This paper introduces VideoScan, an efficient vision-language model (VLM) inference framework designed for real-time video interaction that effectively comprehends and retains streamed video inputs while delivering rapid and accurate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Ruanjun Li , Yuedong Tan , Yuanming Shi , Jiawei Shao

Accuracy of depth estimation from static images has been significantly improved recently, by exploiting hierarchical features from deep convolutional neural networks (CNNs). Compared with static images, vast information exists among video…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Haokui Zhang , Chunhua Shen , Ying Li , Yuanzhouhan Cao , Yu Liu , Youliang Yan

Open-vocabulary semantic segmentation is a challenging task that requires segmenting novel object categories at inference time. Recent studies have explored vision-language pre-training to handle this task, but suffer from unrealistic…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Chaofan Ma , Yuhuan Yang , Chen Ju , Fei Zhang , Ya Zhang , Yanfeng Wang

Deep learning-based methods have achieved promising results on surgical instrument segmentation. However, the high computation cost may limit the application of deep models to time-sensitive tasks such as online surgical video analysis for…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Shan Lin , Fangbo Qin , Haonan Peng , Randall A. Bly , Kris S. Moe , Blake Hannaford

Vision-language models (VLMs), such as CLIP and ALIGN, are generally trained on datasets consisting of image-caption pairs obtained from the web. However, real-world multimodal datasets, such as healthcare data, are significantly more…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Maya Varma , Jean-Benoit Delbrouck , Sarah Hooper , Akshay Chaudhari , Curtis Langlotz

The remarkable zero-shot reasoning capabilities of large-scale Visual Language Models (VLMs) on static images have yet to be fully translated to the video domain. Conventional video understanding models often rely on extensive,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Shihao Ji , Zihui Song

Contextual information provides important cues for disambiguating visually similar pixels in scene segmentation. In this paper, we introduce a neuron-level Selective Context Aggregation (SCA) module for scene segmentation, comprised of a…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Zhenhua Wang , Fanglin Gu , Dani Lischinski , Daniel Cohen-Or , Changhe Tu , Baoquan Chen

Recent advancements in video super-resolution (VSR) models have demonstrated impressive results in enhancing low-resolution videos. However, due to limitations in adequately controlling the generation process, achieving high fidelity…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Yiwen Wang , Xinning Chai , Yuhong Zhang , Zhengxue Cheng , Jun Zhao , Rong Xie , Li Song