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Video quality assessment (VQA) is a crucial task in the development of video compression standards, as it directly impacts the viewer experience. This paper presents the results of the Compressed Video Quality Assessment challenge, held in…

Pixel-level Scene Understanding is one of the fundamental problems in computer vision, which aims at recognizing object classes, masks and semantics of each pixel in the given image. Since the real-world is actually video-based rather than…

Image and Video Processing · Electrical Eng. & Systems 2023-06-06 Biao Wu , Shaoli Liu , Diankai Zhang , Chengjian Zheng , Si Gao , Xiaofeng Zhang , Ning Wang

In this work, we present a new computer vision task named video object of interest segmentation (VOIS). Given a video and a target image of interest, our objective is to simultaneously segment and track all objects in the video that are…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Siyuan Zhou , Chunru Zhan , Biao Wang , Tiezheng Ge , Yuning Jiang , Li Niu

Semi-supervised Video Object Segmentation aims to segment a specified target throughout a video sequence, initialized by a first-frame mask. Previous methods rely heavily on appearance-based pattern matching and thus exhibit limited…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Zhixiong Zhang , Shuangrui Ding , Xiaoyi Dong , Yuhang Zang , Yuhang Cao , Jiaqi Wang

We present the 2017 DAVIS Challenge on Video Object Segmentation, a public dataset, benchmark, and competition specifically designed for the task of video object segmentation. Following the footsteps of other successful initiatives, such as…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 Jordi Pont-Tuset , Federico Perazzi , Sergi Caelles , Pablo Arbeláez , Alex Sorkine-Hornung , Luc Van Gool

As real-scanned point clouds are mostly partial due to occlusions and viewpoints, reconstructing complete 3D shapes based on incomplete observations becomes a fundamental problem for computer vision. With a single incomplete point cloud, it…

Following the successful 2023 edition, we organised the Second Perception Test challenge as a half-day workshop alongside the IEEE/CVF European Conference on Computer Vision (ECCV) 2024, with the goal of benchmarking state-of-the-art video…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Joseph Heyward , João Carreira , Dima Damen , Andrew Zisserman , Viorica Pătrăucean

The evaluation of Long Video Understanding (LVU) performance poses an important but challenging research problem. Despite previous efforts, the existing video understanding benchmarks are severely constrained by several issues, especially…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Junjie Zhou , Yan Shu , Bo Zhao , Boya Wu , Zhengyang Liang , Shitao Xiao , Minghao Qin , Xi Yang , Yongping Xiong , Bo Zhang , Tiejun Huang , Zheng Liu

This technical report explores the MOSEv2 track of the PVUW 2026 Challenge, which targets complex semi-supervised video object segmentation. Built on SAM~3, we develop an automatic re-prompting framework to improve robustness under target…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Mingqi Gao , Sijie Li , Jungong Han

We introduce MMVU, a comprehensive expert-level, multi-discipline benchmark for evaluating foundation models in video understanding. MMVU includes 3,000 expert-annotated questions spanning 27 subjects across four core disciplines: Science,…

Referring video object segmentation (RVOS) relies on natural language expressions to segment target objects in video. In this year, LSVOS Challenge RVOS Track replaced the origin YouTube-RVOS benchmark with MeViS. MeViS focuses on referring…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Hao Fang , Feiyu Pan , Xiankai Lu , Wei Zhang , Runmin Cong

We introduce the Lecture Video Visual Objects (LVVO) dataset, a new benchmark for visual object detection in educational video content. The dataset consists of 4,000 frames extracted from 245 lecture videos spanning biology, computer…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Dipayan Biswas , Shishir Shah , Jaspal Subhlok

This technical report introduces our solution, MEEV, proposed to the EgoBody Challenge at ECCV 2022. Captured from head-mounted devices, the dataset consists of human body shape and motion of interacting people. The EgoBody dataset has…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Nicolas Monet , Dongyoon Wee

This paper reviews the challenge on Sparse Neural Rendering that was part of the Advances in Image Manipulation (AIM) workshop, held in conjunction with ECCV 2024. This manuscript focuses on the competition set-up, the proposed methods and…

Standardized benchmarks are crucial for the majority of computer vision applications. Although leaderboards and ranking tables should not be over-claimed, benchmarks often provide the most objective measure of performance and are therefore…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Patrick Dendorfer , Hamid Rezatofighi , Anton Milan , Javen Shi , Daniel Cremers , Ian Reid , Stefan Roth , Konrad Schindler , Laura Leal-Taixe

How can we effectively engineer a computer vision system that is able to interpret videos from unconstrained mobility platforms like UAVs? One promising option is to make use of image restoration and enhancement algorithms from the area of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Sreya Banerjee , Rosaura G. VidalMata , Zhangyang Wang , Walter J. Scheirer

The referring video object segmentation task (RVOS) aims to segment object instances in a given video referred by a language expression in all video frames. Due to the requirement of understanding cross-modal semantics within individual…

Computer Vision and Pattern Recognition · Computer Science 2022-06-27 Leilei Cao , Zhuang Li , Bo Yan , Feng Zhang , Fengliang Qi , Yuchen Hu , Hongbin Wang

Large multimodal models (LMMs) have recently emerged as a powerful tool for long video understanding (LVU), prompting the development of standardized LVU benchmarks to evaluate their performance. However, our investigation reveals a rather…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Wentao Ma , Weiming Ren , Yiming Jia , Zhuofeng Li , Ping Nie , Ge Zhang , Wenhu Chen

The increasing demand for computational photography and imaging on mobile platforms has led to the widespread development and integration of advanced image sensors with novel algorithms in camera systems. However, the scarcity of…