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The performance of Video Instance Segmentation (VIS) methods has improved significantly with the advent of transformer networks. However, these networks often face challenges in training due to the high annotation cost. To address this,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Farnoosh Arefi , Amir M. Mansourian , Shohreh Kasaei

Recent video semantic segmentation (VSS) methods have demonstrated promising results in well-lit environments. However, their performance significantly drops in low-light scenarios due to limited visibility and reduced contextual details.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Zhen Yao , Mooi Choo Chuah

Referring Video Object Segmentation (RVOS) requires segmenting specific objects in a video guided by a natural language description. The core challenge of RVOS is to anchor abstract linguistic concepts onto a specific set of pixels and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zanyi Wang , Dengyang Jiang , Liuzhuozheng Li , Sizhe Dang , Chengzu Li , Harry Yang , Guang Dai , Mengmeng Wang , Jingdong Wang

We propose weakly supervised language localization networks (WSLLN) to detect events in long, untrimmed videos given language queries. To learn the correspondence between visual segments and texts, most previous methods require temporal…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Mingfei Gao , Larry S. Davis , Richard Socher , Caiming Xiong

The recent works on Video Object Segmentation achieved remarkable results by matching dense semantic and instance-level features between the current and previous frames for long-time propagation. Nevertheless, global feature matching…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Volodymyr Fedynyak , Yaroslav Romanus , Bohdan Hlovatskyi , Bohdan Sydor , Oles Dobosevych , Igor Babin , Roman Riazantsev

We propose a novel self-supervised Video Object Segmentation (VOS) approach that strives to achieve better object-background discriminability for accurate object segmentation. Distinct from previous self-supervised VOS methods, our approach…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Jyoti Kini , Fahad Shahbaz Khan , Salman Khan , Mubarak Shah

In recent years, the state-of-the-art in unsupervised video instance segmentation has heavily relied on synthetic video data, generated from object-centric image datasets such as ImageNet. However, video synthesis by artificially shifting…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Leon Sick , Lukas Hoyer , Dominik Engel , Pedro Hermosilla , Timo Ropinski

We address weakly-supervised video actor-action segmentation (VAAS), which extends general video object segmentation (VOS) to additionally consider action labels of the actors. The most successful methods on VOS synthesize a pool of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jie Chen , Zhiheng Li , Jiebo Luo , Chenliang Xu

Current top-leading solutions for video object segmentation (VOS) typically follow a matching-based regime: for each query frame, the segmentation mask is inferred according to its correspondence to previously processed and the first…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Yurong Zhang , Liulei Li , Wenguan Wang , Rong Xie , Li Song , Wenjun Zhang

Current state-of-the-art object detection and segmentation methods work well under the closed-world assumption. This closed-world setting assumes that the list of object categories is available during training and deployment. However, many…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Weiyao Wang , Matt Feiszli , Heng Wang , Du Tran

Despite advancements in user-guided video segmentation, extracting complex objects consistently for highly complex scenes is still a labor-intensive task, especially for production. It is not uncommon that a majority of frames need to be…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Maksym Bekuzarov , Ariana Bermudez , Joon-Young Lee , Hao Li

Most recent studies on detecting and localizing temporal anomalies have mainly employed deep neural networks to learn the normal patterns of temporal data in an unsupervised manner. Unlike them, the goal of our work is to fully utilize…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Dongha Lee , Sehun Yu , Hyunjun Ju , Hwanjo Yu

Semi-supervised video object segmentation aims to separate a target object from a video sequence, given the mask in the first frame. Most of current prevailing methods utilize information from additional modules trained in other domains…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Yizhuo Zhang , Zhirong Wu , Houwen Peng , Stephen Lin

Deep neural networks have become the primary learning technique for object recognition. Videos, unlike still images, are temporally coherent which makes the application of deep networks non-trivial. Here, we investigate how motion can aid…

Computer Vision and Pattern Recognition · Computer Science 2015-09-08 Ivan Bogun , Anelia Angelova , Navdeep Jaitly

Video object removal is a challenging task in video processing that often requires massive human efforts. Given the mask of the foreground object in each frame, the goal is to complete (inpaint) the object region and generate a video…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Ya-Liang Chang , Zhe Yu Liu , Winston Hsu

Weakly supervised object detection (WSOD) aims at learning precise object detectors with only image-level tags. In spite of intensive research on deep learning (DL) approaches over the past few years, there is still a significant…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Qi Lai , ChiMan Vong

Weakly-supervised temporal action localization aims to locate action regions and identify action categories in untrimmed videos simultaneously by taking only video-level labels as the supervision. Pseudo label generation is a promising…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Wulian Yun , Mengshi Qi , Chuanming Wang , Huadong Ma

Object detection and semantic segmentation are two main themes in object retrieval from high-resolution remote sensing images, which have recently achieved remarkable performance by surfing the wave of deep learning and, more notably,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Lichao Mou , Xiao Xiang Zhu

Semi-supervised video object segmentation (VOS) refers to segmenting the target object in remaining frames given its annotation in the first frame, which has been actively studied in recent years. The key challenge lies in finding effective…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Meng Lan , Jing Zhang , Fengxiang He , Lefei Zhang

Weakly supervised segmentation is an important problem in medical image analysis due to the high cost of pixelwise annotation. Prior methods, while often focusing on weak labels of 2D images, exploit few structural cues of volumetric…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Qian He , Shuailin Li , Xuming He