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Related papers: 4D Generic Video Object Proposals

200 papers

We address an essential problem in computer vision, that of unsupervised object segmentation in video, where a main object of interest in a video sequence should be automatically separated from its background. An efficient solution to this…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Emanuela Haller , Marius Leordeanu

Object detection in video is crucial for many applications. Compared to images, video provides additional cues which can help to disambiguate the detection problem. Our goal in this paper is to learn discriminative models for the temporal…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Tuan-Hung Vu , Anton Osokin , Ivan Laptev

Generalizing open-vocabulary 3D instance segmentation (OV-3DIS) to diverse, unstructured, and mesh-free environments is crucial for robotics and AR/VR, yet remains a significant challenge. We attribute this to two key limitations of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Zhishan Zhou , Siyuan Wei , Zengran Wang , Chunjie Wang , Xiaosheng Yan , Xiao Liu

Existing approaches for unsupervised point cloud pre-training are constrained to either scene-level or point/voxel-level instance discrimination. Scene-level methods tend to lose local details that are crucial for recognizing the road…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Junbo Yin , Dingfu Zhou , Liangjun Zhang , Jin Fang , Cheng-Zhong Xu , Jianbing Shen , Wenguan Wang

Compared with still image object detection, video object detection (VOD) needs to particularly concern the high across-frame variation in object appearance, and the diverse deterioration in some frames. In principle, the detection in a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Yuheng Shi , Tong Zhang , Xiaojie Guo

Current 4D generation methods have achieved noteworthy efficacy with the aid of advanced diffusion generative models. However, these methods lack multi-view spatial-temporal modeling and encounter challenges in integrating diverse prior…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Haiyu Zhang , Xinyuan Chen , Yaohui Wang , Xihui Liu , Yunhong Wang , Yu Qiao

Concepts involved in long-form videos such as people, objects, and their interactions, can be viewed as following an implicit prior. They are notably complex and continue to pose challenges to be comprehensively learned. In recent years,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Jinheng Xie , Jiajun Feng , Zhaoxu Tian , Kevin Qinghong Lin , Yawen Huang , Xi Xia , Nanxu Gong , Xu Zuo , Jiaqi Yang , Yefeng Zheng , Mike Zheng Shou

The objective of this paper is a model that is able to discover, track and segment multiple moving objects in a video. We make four contributions: First, we introduce an object-centric segmentation model with a depth-ordered layer…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyu Xie , Weidi Xie , Andrew Zisserman

Object detection, one of the most fundamental and challenging problems in computer vision, seeks to locate object instances from a large number of predefined categories in natural images. Deep learning techniques have emerged as a powerful…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Li Liu , Wanli Ouyang , Xiaogang Wang , Paul Fieguth , Jie Chen , Xinwang Liu , Matti Pietikäinen

While 6D object pose estimation has recently made a huge leap forward, most methods can still only handle a single or a handful of different objects, which limits their applications. To circumvent this problem, category-level object pose…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Yan Di , Ruida Zhang , Zhiqiang Lou , Fabian Manhardt , Xiangyang Ji , Nassir Navab , Federico Tombari

We introduce Few-Shot Video Object Detection (FSVOD) with three contributions to real-world visual learning challenge in our highly diverse and dynamic world: 1) a large-scale video dataset FSVOD-500 comprising of 500 classes with…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Qi Fan , Chi-Keung Tang , Yu-Wing Tai

The emerging trend in computer vision emphasizes developing universal models capable of simultaneously addressing multiple diverse tasks. Such universality typically requires joint training across multi-domain datasets to ensure effective…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Eunsoo Im , Changhyun Jee , Jung Kwon Lee

We develop a novel framework for action localization in videos. We propose the Tube Proposal Network (TPN), which can generate generic, class-independent, video-level tubelet proposals in videos. The generated tubelet proposals can be…

Computer Vision and Pattern Recognition · Computer Science 2017-06-01 Jiawei He , Mostafa S. Ibrahim , Zhiwei Deng , Greg Mori

Referring video object segmentation aims to segment a referent throughout a video sequence according to a natural language expression. It requires aligning the natural language expression with the objects' motions and their dynamic…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Jiajin Tang , Ge Zheng , Sibei Yang

While Multimodal Large Language Models demonstrate impressive semantic capabilities, they often suffer from spatial blindness, struggling with fine-grained geometric reasoning and physical dynamics. Existing solutions typically rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Xianjin Wu , Dingkang Liang , Tianrui Feng , Kui Xia , Yumeng Zhang , Xiaofan Li , Xiao Tan , Xiang Bai

Video object segmentation is a fundamental step in many advanced vision applications. Most existing algorithms are based on handcrafted features such as HOG, super-pixel segmentation or texture-based techniques, while recently deep features…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 Maryam Sultana , Arif Mahmood , Sajid Javed , Soon Ki Jung

Understanding abnormal events in videos is a vital and challenging task that has garnered significant attention in a wide range of applications. Although current video understanding Multi-modal Large Language Models (MLLMs) are capable of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yingxian Chen , Jiahui Liu , Ruidi Fan , Yanwei Li , Chirui Chang , Shizhen Zhao , Wilton W. T. Fok , Xiaojuan Qi , Yik-Chung Wu

Object detection in video and image surveillance is a well-established yet rapidly evolving task, strongly influenced by recent deep learning advancements. This review summarises modern techniques by examining architectural innovations,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Sukana Zulfqar , Sadia Saeed , M. Azam Zia , Anjum Ali , Faisal Mehmood , Abid Ali

We tackle the task of synthesizing novel views of an object given a few input images and associated camera viewpoints. Our work is inspired by recent 'geometry-free' approaches where multi-view images are encoded as a (global) set-latent…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Naveen Venkat , Mayank Agarwal , Maneesh Singh , Shubham Tulsiani

Generative methods for image and video editing use generative models as priors to perform edits despite incomplete information, such as changing the composition of 3D objects shown in a single image. Recent methods have shown promising…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Juil Koo , Paul Guerrero , Chun-Hao Paul Huang , Duygu Ceylan , Minhyuk Sung