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The purpose of this paper is the detection of salient areas in natural video by using the new deep learning techniques. Salient patches in video frames are predicted first. Then the predicted visual fixation maps are built upon them. We…

Computer Vision and Pattern Recognition · Computer Science 2016-04-28 Souad Chaabouni , Jenny Benois-Pineau , Ofer Hadar , Chokri Ben Amar

Long Video Temporal Grounding (LVTG) aims at identifying specific moments within lengthy videos based on user-provided text queries for effective content retrieval. The approach taken by existing methods of dividing video into clips and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Zijia Lu , A S M Iftekhar , Gaurav Mittal , Tianjian Meng , Xiawei Wang , Cheng Zhao , Rohith Kukkala , Ehsan Elhamifar , Mei Chen

Many graph problems can be solved using ordered parallel graph algorithms that achieve significant speedup over their unordered counterparts by reducing redundant work. This paper introduces a new priority-based extension to GraphIt, a…

Programming Languages · Computer Science 2020-01-28 Yunming Zhang , Ajay Brahmakshatriya , Xinyi Chen , Laxman Dhulipala , Shoaib Kamil , Saman Amarasinghe , Julian Shun

We propose a novel algorithm for accelerating dense long-term 3D point tracking in videos. Through analysis of existing state-of-the-art methods, we identify two major computational bottlenecks. First, transformer-based iterative tracking…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Tuan Duc Ngo , Ashkan Mirzaei , Guocheng Qian , Hanwen Liang , Chuang Gan , Evangelos Kalogerakis , Peter Wonka , Chaoyang Wang

Video generation has made significant strides with the development of diffusion models; however, achieving high temporal consistency remains a challenging task. Recently, FreeInit identified a training-inference gap and introduced a method…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Chengyu Bai , Yuming Li , Zhongyu Zhao , Jintao Chen , Peidong Jia , Qi She , Ming Lu , Shanghang Zhang

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…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Nikolaos Gkalelis , Dimitrios Daskalakis , Vasileios Mezaris

Advanced video analytic systems, including scene classification and object detection, have seen widespread success in various domains such as smart cities and autonomous transportation. With an ever-growing number of powerful client…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Ran Xu , Chen-lin Zhang , Pengcheng Wang , Jayoung Lee , Subrata Mitra , Somali Chaterji , Yin Li , Saurabh Bagchi

Long video understanding presents challenges due to the inherent high computational complexity and redundant temporal information. An effective representation for long videos must efficiently process such redundancy while preserving…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Lan Wang , Yujia Chen , Du Tran , Vishnu Naresh Boddeti , Wen-Sheng Chu

Detection and localization of actions in videos is an important problem in practice. State-of-the-art video analytics systems are unable to efficiently and effectively answer such action queries because actions often involve a complex…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Pramod Chunduri , Jaeho Bang , Yao Lu , Joy Arulraj

Deep neural networks for real-time video matting suffer significant computational limitations on edge devices, hindering their adoption in widespread applications such as online conferences and short-form video production. Binarization…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Haotong Qin , Xianglong Liu , Xudong Ma , Lei Ke , Yulun Zhang , Jie Luo , Michele Magno

Large scale video retrieval is a field of study with a lot of ongoing research. Most of the work in the field is on video retrieval through text queries using techniques such as VSE++. However, there is little research done on video…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Arvind Srinivasan , Aprameya Bharadwaj , Aveek Saha , Subramanyam Natarajan

Deep neural networks facilitate video question answering (VideoQA), but the real-world applications on video streams such as CCTV and live cast place higher demands on the solver. To address the challenges of VideoQA on long videos of…

Multimedia · Computer Science 2023-03-08 Weikai Kong , Shuhong Ye , Chenglin Yao , Jianfeng Ren

Video diffusion models (DMs) have enabled high-quality video synthesis. Yet, their substantial computational and memory demands pose serious challenges to real-world deployment, even on high-end GPUs. As a commonly adopted solution,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Yushi Huang , Ruihao Gong , Jing Liu , Yifu Ding , Chengtao Lv , Haotong Qin , Jun Zhang

Segmenting foreground object from a video is a challenging task because of the large deformations of the objects, occlusions, and background clutter. In this paper, we propose a frame-by-frame but computationally efficient approach for…

Computer Vision and Pattern Recognition · Computer Science 2017-06-30 Aditya Vora , Shanmuganathan Raman

This paper tackles the problem of video object segmentation, given some user annotation which indicates the object of interest. The problem is formulated as pixel-wise retrieval in a learned embedding space: we embed pixels of the same…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Yuhua Chen , Jordi Pont-Tuset , Alberto Montes , Luc Van Gool

Taking advantage of large-scale data and pretrained language models, Video Large Language Models (Video-LLMs) have shown strong capabilities in answering video questions. However, most existing efforts focus on improving performance, with…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Chenhui Gou , Ziyu Ma , Zicheng Duan , Haoyu He , Feng Chen , Akide Liu , Bohan Zhuang , Jianfei Cai , Hamid Rezatofighi

One of the most popular approaches to multi-target tracking is tracking-by-detection. Current min-cost flow algorithms which solve the data association problem optimally have three main drawbacks: they are computationally expensive, they…

Computer Vision and Pattern Recognition · Computer Science 2014-12-30 Philip Lenz , Andreas Geiger , Raquel Urtasun

Current datasets for long-form video understanding often fall short of providing genuine long-form comprehension challenges, as many tasks derived from these datasets can be successfully tackled by analyzing just one or a few random frames…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Ruchit Rawal , Khalid Saifullah , Miquel Farré , Ronen Basri , David Jacobs , Gowthami Somepalli , Tom Goldstein

This paper presents VideoStreaming, an advanced vision-language large model (VLLM) for video understanding, that capably understands arbitrary-length video with a constant number of video tokens streamingly encoded and adaptively selected.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Rui Qian , Xiaoyi Dong , Pan Zhang , Yuhang Zang , Shuangrui Ding , Dahua Lin , Jiaqi Wang

In this work, we introduce a new problem, named as {\em story-preserving long video truncation}, that requires an algorithm to automatically truncate a long-duration video into multiple short and attractive sub-videos with each one…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Fan Yang , Xiao Liu , Dongliang He , Chuang Gan , Jian Wang , Chao Li , Fu Li , Shilei Wen