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Dynamic scene understanding is one of the most conspicuous field of interest among computer vision community. In order to enhance dynamic scene understanding, pixel-wise segmentation with neural networks is widely accepted. The latest…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Ge Shi , Zhili Yang

We propose an optical flow-guided approach for semi-supervised video object segmentation. Optical flow is usually exploited as additional guidance information in unsupervised video object segmentation. However, its relevance in…

Computer Vision and Pattern Recognition · Computer Science 2023-01-26 Yushan Zhang , Andreas Robinson , Maria Magnusson , Michael Felsberg

Given an object mask, Semi-supervised Video Object Segmentation (SVOS) technique aims to track and segment the object across video frames, serving as a fundamental task in computer vision. Although recent memory-based methods demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Guanyi Qin , Ziyue Wang , Daiyun Shen , Haofeng Liu , Hantao Zhou , Junde Wu , Runze Hu , Yueming Jin

Scene Text Recognition (STR) remains challenging due to real-world complexities, where decoupled visual-linguistic optimization in existing frameworks amplifies error propagation through cross-modal misalignment. Visual encoders exhibit…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Lixu Sun , Nurmemet Yolwas , Wushour Silamu

Many of the recent successful methods for video object segmentation (VOS) are overly complicated, heavily rely on fine-tuning on the first frame, and/or are slow, and are hence of limited practical use. In this work, we propose FEELVOS as a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Paul Voigtlaender , Yuning Chai , Florian Schroff , Hartwig Adam , Bastian Leibe , Liang-Chieh Chen

Segmenting the retinal vasculature entails a trade-off between how much of the overall vascular structure we identify vs. how precisely we segment individual vessels. In particular, state-of-the-art methods tend to under-segment faint…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Aashis Khanal , Rolando Estrada

An intuition on human segmentation is that when a human is moving in a video, the video-context (e.g., appearance and motion clues) may potentially infer reasonable mask information for the whole human body. Inspired by this, based on…

Computer Vision and Pattern Recognition · Computer Science 2018-03-01 Xiaodan Liang , Yunchao Wei , Liang Lin , Yunpeng Chen , Xiaohui Shen , Jianchao Yang , Shuicheng Yan

Activity detection from first-person videos (FPV) captured using a wearable camera is an active research field with potential applications in many sectors, including healthcare, law enforcement, and rehabilitation. State-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Asif Shahriyar Sushmit , Partho Ghosh , Md. Abrar Istiak , Nayeeb Rashid , Ahsan Habib Akash , Taufiq Hasan

This paper addresses the task of segmenting class-agnostic objects in semi-supervised setting. Although previous detection based methods achieve relatively good performance, these approaches extract the best proposal by a greedy strategy,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Daizong Liu , Shuangjie Xu , Xiao-Yang Liu , Zichuan Xu , Wei Wei , Pan Zhou

We propose FlowCut, a simple and capable method for unsupervised video instance segmentation consisting of a three-stage framework to construct a high-quality video dataset with pseudo labels. To our knowledge, our work is the first attempt…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Alp Eren Sari , Paolo Favaro

BiSeNet has been proved to be a popular two-stream network for real-time segmentation. However, its principle of adding an extra path to encode spatial information is time-consuming, and the backbones borrowed from pretrained tasks, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Mingyuan Fan , Shenqi Lai , Junshi Huang , Xiaoming Wei , Zhenhua Chai , Junfeng Luo , Xiaolin Wei

Labeling pixel-wise object masks in videos is a resource-intensive and laborious process. Box-supervised Video Instance Segmentation (VIS) methods have emerged as a viable solution to mitigate the labor-intensive annotation process. . In…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Zhangjing Yang , Dun Liu , Wensheng Cheng , Jinqiao Wang , Yi Wu

This technical report presents our solution to the HACS Temporal Action Localization Challenge 2021, Weakly-Supervised Learning Track. The goal of weakly-supervised temporal action localization is to temporally locate and classify action of…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Yuanhao Zhai , Le Wang , David Doermann , Junsong Yuan

We present a novel approach to unsupervised learning for video object segmentation (VOS). Unlike previous work, our formulation allows to learn dense feature representations directly in a fully convolutional regime. We rely on uniform grid…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Nikita Araslanov , Simone Schaub-Meyer , Stefan Roth

Semi-supervised video object segmentation (Semi-VOS), which requires only annotating the first frame of a video to segment future frames, has received increased attention recently. Among existing pipelines, the memory-matching-based one is…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Weihao Lin , Tao Chen , Chong Yu

Recently, the applications of person re-identification in visual surveillance and human-computer interaction are sharply increasing, which signifies the critical role of such a problem. In this paper, we propose a two-stream convolutional…

Information Retrieval · Computer Science 2019-05-29 Peixian Chen , Pingyang Dai , Qiong Wu , Yuyu Huang

This paper presents a simple yet effective approach to modeling space-time correspondences in the context of video object segmentation. Unlike most existing approaches, we establish correspondences directly between frames without…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Ho Kei Cheng , Yu-Wing Tai , Chi-Keung Tang

Visual localization is of great importance in robotics and computer vision. Recently, scene coordinate regression based methods have shown good performance in visual localization in small static scenes. However, it still estimates camera…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Zhaoyang Huang , Han Zhou , Yijin Li , Bangbang Yang , Yan Xu , Xiaowei Zhou , Hujun Bao , Guofeng Zhang , Hongsheng Li

The convolution neural nets (conv nets) have achieved a state-of-the-art performance in many applications of image and video processing. The most recent studies illustrate that the conv nets are fragile in terms of recognition accuracy to…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Sergey Tarasenko , Fumihiko Takahashi

The human visual system uses two parallel pathways for spatial processing and object recognition. In contrast, computer vision systems tend to use a single feedforward pathway, rendering them less robust, adaptive, or efficient than human…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Minkyu Choi , Kuan Han , Xiaokai Wang , Yizhen Zhang , Zhongming Liu