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Semi-supervised video object segmentation is a task of segmenting the target object in a video sequence given only a mask annotation in the first frame. The limited information available makes it an extremely challenging task. Most previous…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Yunyao Mao , Ning Wang , Wengang Zhou , Houqiang Li

Although dynamic scene reconstruction has long been a fundamental challenge in 3D vision, the recent emergence of 3D Gaussian Splatting (3DGS) offers a promising direction by enabling high-quality, real-time rendering through explicit…

Graphics · Computer Science 2025-05-29 Zehao Li , Hao Jiang , Yujun Cai , Jianing Chen , Baolong Bi , Shuqin Gao , Honglong Zhao , Yiwei Wang , Tianlu Mao , Zhaoqi Wang

Pre-trained on tremendous image-text pairs, vision-language models like CLIP have demonstrated promising zero-shot generalization across numerous image-based tasks. However, extending these capabilities to video tasks remains challenging…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Zichen Liu , Kunlun Xu , Bing Su , Xu Zou , Yuxin Peng , Jiahuan Zhou

Video segmentation approaches are of great importance for numerous vision tasks especially in video manipulation for entertainment. Due to the challenges associated with acquiring high-quality per-frame segmentation annotations and large…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Mingyang Qian , Yi Fu , Xiao Tan , Yingying Li , Jinqing Qi , Huchuan Lu , Shilei Wen , Errui Ding

First-person action recognition is a challenging task in video understanding. Because of strong ego-motion and a limited field of view, many backgrounds or noisy frames in a first-person video can distract an action recognition model during…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Lijin Yang , Yifei Huang , Yusuke Sugano , Yoichi Sato

The explosive growth in video streaming gives rise to challenges on performing video understanding at high accuracy and low computation cost. Conventional 2D CNNs are computationally cheap but cannot capture temporal relationships; 3D CNN…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Ji Lin , Chuang Gan , Song Han

Video monocular depth estimation is essential for applications such as autonomous driving, AR/VR, and robotics. Recent transformer-based single-image monocular depth estimation models perform well on single images but struggle with depth…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Sunghun Yang , Minhyeok Lee , Suhwan Cho , Jungho Lee , Sangyoun Lee

Recently, the community has made tremendous progress in developing effective methods for point cloud video understanding that learn from massive amounts of labeled data. However, annotating point cloud videos is usually notoriously…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Zhiqiang Shen , Xiaoxiao Sheng , Hehe Fan , Longguang Wang , Yulan Guo , Qiong Liu , Hao Wen , Xi Zhou

This paper proposes a novel deep learning-based video object matting method that can achieve temporally coherent matting results. Its key component is an attention-based temporal aggregation module that maximizes image matting networks'…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Yunke Zhang , Chi Wang , Miaomiao Cui , Peiran Ren , Xuansong Xie , Xian-sheng Hua , Hujun Bao , Qixing Huang , Weiwei Xu

This paper presents a new task, the grounding of spatio-temporal identifying descriptions in videos. Previous work suggests potential bias in existing datasets and emphasizes the need for a new data creation schema to better model…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Peratham Wiriyathammabhum , Abhinav Shrivastava , Vlad I. Morariu , Larry S. Davis

This paper presents a deep learning framework for medical video segmentation. Convolution neural network (CNN) and transformer-based methods have achieved great milestones in medical image segmentation tasks due to their incredible semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Chengxi Zeng , Xinyu Yang , David Smithard , Majid Mirmehdi , Alberto M Gambaruto , Tilo Burghardt

Blind inpainting is a task to automatically complete visual contents without specifying masks for missing areas in an image. Previous works assume missing region patterns are known, limiting its application scope. In this paper, we relax…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Yi Wang , Ying-Cong Chen , Xin Tao , Jiaya Jia

Temporal modeling in videos is a fundamental yet challenging problem in computer vision. In this paper, we propose a novel Temporal Bilinear (TB) model to capture the temporal pairwise feature interactions between adjacent frames. Compared…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Yanghao Li , Sijie Song , Yuqi Li , Jiaying Liu

Learning accurate depth is essential to multi-view 3D object detection. Recent approaches mainly learn depth from monocular images, which confront inherent difficulties due to the ill-posed nature of monocular depth learning. Instead of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Zengran Wang , Chen Min , Zheng Ge , Yinhao Li , Zeming Li , Hongyu Yang , Di Huang

Self-attention based Transformer has achieved great success in many computer vision tasks. However, its application to video quality assessment (VQA) has not been satisfactory so far. Evaluating the quality of in-the-wild videos is…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Fengchuang Xing , Yuan-Gen Wang , Weixuan Tang , Guopu Zhu , Sam Kwong

Real-time monocular 3D reconstruction is a challenging problem that remains unsolved. Although recent end-to-end methods have demonstrated promising results, tiny structures and geometric boundaries are hardly captured due to their…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Chenyangguang Zhang , Zhiqiang Lou , Yan Di , Federico Tombari , Xiangyang Ji

The task of text-video retrieval aims to understand the correspondence between language and vision, has gained increasing attention in recent years. Previous studies either adopt off-the-shelf 2D/3D-CNN and then use average/max pooling to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 Ning Han , Jingjing Chen , Chuhao Shi , Yawen Zeng , Guangyi Xiao , Hao Chen

Leveraging temporal synchronization and association within sight and sound is an essential step towards robust localization of sounding objects. To this end, we propose a space-time memory network for sounding object localization in videos.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Sizhe Li , Yapeng Tian , Chenliang Xu

In this work, we present an end-to-end network for stereo-consistent image inpainting with the objective of inpainting large missing regions behind objects. The proposed model consists of an edge-guided UNet-like network using Partial…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Violeta Menéndez González , Andrew Gilbert , Graeme Phillipson , Stephen Jolly , Simon Hadfield

We propose an automatic video inpainting algorithm which relies on the optimisation of a global, patch-based functional. Our algorithm is able to deal with a variety of challenging situations which naturally arise in video inpainting, such…

Computer Vision and Pattern Recognition · Computer Science 2017-12-08 Alasdair Newson , Andrés Almansa , Matthieu Fradet , Yann Gousseau , Patrick Pérez