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Semantic segmentation generates comprehensive understanding of scenes through densely predicting the category for each pixel. High-level features from Deep Convolutional Neural Networks already demonstrate their effectiveness in semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Xiangtai Li , Houlong Zhao , Lei Han , Yunhai Tong , Kuiyuan Yang

Visual Place Recognition is a challenging task for robotics and autonomous systems, which must deal with the twin problems of appearance and viewpoint change in an always changing world. This paper introduces Patch-NetVLAD, which provides a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Stephen Hausler , Sourav Garg , Ming Xu , Michael Milford , Tobias Fischer

Robust data association is necessary for virtually every SLAM system and finding corresponding points is typically a preprocessing step for scan alignment algorithms. Traditionally, handcrafted feature descriptors were used for these…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Ayush Dewan , Tim Caselitz , Wolfram Burgard

Graph Convolutional Networks (GCNs) are widely used to improve recommendation accuracy and performance by effectively learning the representations of user and item nodes. However, two major challenges remain: (1) the lack of further…

Information Retrieval · Computer Science 2025-05-15 Tao Huang , Yihong Chen , Wei Fan , Wei Zhou , Junhao Wen

We present a novel method for efficiently producing semi-dense matches across images. Previous detector-free matcher LoFTR has shown remarkable matching capability in handling large-viewpoint change and texture-poor scenarios but suffers…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Yifan Wang , Xingyi He , Sida Peng , Dongli Tan , Xiaowei Zhou

Few-shot anomaly detection (FSAD) methods identify anomalous regions with few known normal samples. Most existing methods rely on the generalization ability of pre-trained vision-language models (VLMs) to recognize potentially anomalous…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Yuanting Fan , Jun Liu , Xiaochen Chen , Bin-Bin Gao , Jian Li , Yong Liu , Jinlong Peng , Chengjie Wang

While current state-of-the-art Scene Change Detection (SCD) approaches achieve impressive results in well-trained research data, they become unreliable under unseen environments and different temporal conditions; in-domain performance drops…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Jaewoo Kim , Uehwan Kim

Due to the difficulty in generating the effective descriptors which are robust to occlusion and viewpoint changes, place recognition for 3D point cloud remains an open issue. Unlike most of the existing methods that focus on extracting…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Xin Kong , Xuemeng Yang , Guangyao Zhai , Xiangrui Zhao , Xianfang Zeng , Mengmeng Wang , Yong Liu , Wanlong Li , Feng Wen

LiDAR sensor is essential to the perception system in autonomous vehicles and intelligent robots. To fulfill the real-time requirements in real-world applications, it is necessary to efficiently segment the LiDAR scans. Most of previous…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Song Wang , Jianke Zhu , Ruixiang Zhang

Semantic segmentation is applied extensively in autonomous driving and intelligent transportation with methods that highly demand spatial and semantic information. Here, an STDC-MA network is proposed to meet these demands. First, the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-12 Xiaochun Lei , Linjun Lu , Zetao Jiang , Zhaoting Gong , Chang Lu , Jiaming Liang

Loop closure can effectively correct the accumulated error in robot localization, which plays a critical role in the long-term navigation of the robot. Traditional appearance-based methods rely on local features and are prone to failure in…

Robotics · Computer Science 2022-11-23 Junfeng Yu , Shaojie Shen

The misalignment of human images caused by bounding box detection errors or partial occlusions is one of the main challenges in person Re-Identification (Re-ID) tasks. Previous local-based methods mainly focus on learning local features in…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Zhangqiang Ming , Yong Yang , Xiaoyong Wei , Jianrong Yan , Xiangkun Wang , Fengjie Wang , Min Zhu

Semantic segmentation algorithms require access to well-annotated datasets captured under diverse illumination conditions to ensure consistent performance. However, poor visibility conditions at varying illumination conditions result in…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Pranjay Shyam , Antyanta Bangunharcana , Kuk-Jin Yoon , Kyung-Soo Kim

Supervised depth estimation has achieved high accuracy due to the advanced deep network architectures. Since the groundtruth depth labels are hard to obtain, recent methods try to learn depth estimation networks in an unsupervised way by…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Shanshan Zhao , Huan Fu , Mingming Gong , Dacheng Tao

3D object detection in point cloud data remains a challenging task due to the sparsity and lack of global structure inherent in the input. In this work, we propose a novel Multi-Scale Attention (MSA) mechanism integrated into the 3DETR…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Mustaqeem Khan , Aidana Nurakhmetova , Wail Gueaieb , Abdulmotaleb El Saddik

Accurately registering in-vivo two-photon and ex-vivo fluorescence micro-optical sectioning tomography images of individual neurons is critical for structure-function analysis in neuroscience. This task is profoundly challenging due to a…

Image and Video Processing · Electrical Eng. & Systems 2025-11-27 Wenwei Li , Lingyi Cai , Hui Gong , Qingming Luo , Anan Li

Current feature matching methods focus on point-level matching, pursuing better representation learning of individual features, but lacking further understanding of the scene. This results in significant performance degradation when…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Xiaoyong Lu , Yaping Yan , Tong Wei , Songlin Du

Semantic segmentation is a fundamental task in multimedia processing, which can be used for analyzing, understanding, editing contents of images and videos, among others. To accelerate the analysis of multimedia data, existing segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Zhiyan Wang , Deyin Liu , Lin Yuanbo Wu , Song Wang , Xin Guo , Lin Qi

Image harmonization is a critical task in computer vision, which aims to adjust the foreground to make it compatible with the background. Recent works mainly focus on using global transformations (i.e., normalization and color curve…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Haoxing Chen , Zhangxuan Gu , Yaohui Li , Jun Lan , Changhua Meng , Weiqiang Wang , Huaxiong Li

Deployment of deep learning models in robotics as sensory information extractors can be a daunting task to handle, even using generic GPU cards. Here, we address three of its most prominent hurdles, namely, i) the adaptation of a single…

Computer Vision and Pattern Recognition · Computer Science 2019-02-28 Vladimir Nekrasov , Thanuja Dharmasiri , Andrew Spek , Tom Drummond , Chunhua Shen , Ian Reid
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