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Multi-label classification is an essential task utilized in a wide variety of real-world applications. Multi-label zero-shot learning is a method for classifying images into multiple unseen categories for which no training data is…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Muhammad Ali , Salman Khan

Benefiting from its high efficiency and simplicity, Simple Linear Iterative Clustering (SLIC) remains one of the most popular over-segmentation tools. However, due to explicit enforcement of spatial similarity for region continuity, the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Jiaxing Zhao , Ren Bo , Qibin Hou , Ming-Ming Cheng , Paul L. Rosin

Reliable loop closure detection remains a critical challenge in 3D LiDAR-based SLAM, especially under sensor noise, environmental ambiguity, and viewpoint variation conditions. RANSAC is often used in the context of loop closures for…

Robotics · Computer Science 2026-03-06 Javier Laserna , Saurabh Gupta , Oscar Martinez Mozos , Cyrill Stachniss , Pablo San Segundo

Multi-label classification is crucial for comprehensive image understanding, yet acquiring accurate annotations is challenging and costly. To address this, a recent study suggests exploiting unsupervised multi-label classification…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Dongseob Kim , Hyunjung Shim

Feature matching is a cornerstone task in computer vision, essential for applications such as image retrieval, stereo matching, 3D reconstruction, and SLAM. This survey comprehensively reviews modality-based feature matching, exploring…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Weide Liu , Wei Zhou , Jun Liu , Ping Hu , Jun Cheng , Jungong Han , Weisi Lin

Detecting objects accurately from a large or open vocabulary necessitates the vision-language alignment on region representations. However, learning such a region-text alignment by obtaining high-quality box annotations with text labels or…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Size Wu , Wenwei Zhang , Lumin Xu , Sheng Jin , Wentao Liu , Chen Change Loy

Loop Closure Detection (LCD) is an essential task in robotics and computer vision, serving as a fundamental component for various applications across diverse domains. These applications encompass object recognition, image retrieval, and…

Robotics · Computer Science 2023-09-14 Mirko Usuelli , Matteo Frosi , Paolo Cudrano , Simone Mentasti , Matteo Matteucci

Binary code clone analysis is an important technique which has a wide range of applications in software engineering (e.g., plagiarism detection, bug detection). The main challenge of the topic lies in the semantics-equivalent code…

Software Engineering · Computer Science 2018-08-21 Yikun Hu , Yuanyuan Zhang , Juanru Li , Hui Wang , Bodong Li , Dawu Gu

In visual Simultaneous Localization And Mapping (SLAM), detecting loop closures has been an important but difficult task. Currently, most solutions are based on the bag-of-words approach. Yet the possibility of deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Zhang Qianhao , Alexander Mai , Joseph Menke , Allen Yang

There is growing interest in representing image data and feature descriptors using compact binary codes for fast near neighbor search. Although binary codes are motivated by their use as direct indices (addresses) into a hash table, codes…

Computer Vision and Pattern Recognition · Computer Science 2014-04-28 Mohammad Norouzi , Ali Punjani , David J. Fleet

Accurate and stable feature matching is critical for computer vision tasks, particularly in applications such as Simultaneous Localization and Mapping (SLAM). While recent learning-based feature matching methods have demonstrated promising…

Robotics · Computer Science 2025-04-08 Yuqing Wang , Yan Wang , Hailiang Tang , Xiaoji Niu

Traditional attempts for loop closure detection typically use hand-crafted features, relying on geometric and visual information only, whereas more modern approaches tend to use semantic, appearance or geometric features extracted from deep…

Robotics · Computer Science 2019-11-01 Nathaniel Merrill , Guoquan Huang

Data association in SLAM is fundamentally challenging, and handling ambiguity well is crucial to achieve robust operation in real-world environments. When ambiguous measurements arise, conservatism often mandates that the measurement is…

Robotics · Computer Science 2019-03-07 Kristoffer M. Frey , Ted J. Steiner , Jonathan P. How

Loop closure detection, the task of identifying locations revisited by a robot in a sequence of odometry and perceptual observations, is typically formulated as a combination of two subtasks: (1) bag-of-words image retrieval and (2)…

Computer Vision and Pattern Recognition · Computer Science 2015-09-28 Kanji Tanaka

Contrastive Language-Image Pretraining (CLIP) has achieved remarkable success, leading to rapid advancements in multimodal studies. However, CLIP faces a notable challenge in terms of inefficient data utilization. It relies on a single…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Yu Zhang , Qi Zhang , Zixuan Gong , Yiwei Shi , Yepeng Liu , Duoqian Miao , Yang Liu , Ke Liu , Kun Yi , Wei Fan , Liang Hu , Changwei Wang

Large-scale cross-modal hashing similarity retrieval has attracted more and more attention in modern search applications such as search engines and autopilot, showing great superiority in computation and storage. However, current…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Lu Wang , Jie Yang

Robust efficient loop closure detection is essential for large-scale real-time SLAM. In this paper, we propose a novel unsupervised deep neural network architecture of a feature embedding for visual loop closure that is both reliable and…

Robotics · Computer Science 2018-05-28 Nate Merrill , Guoquan Huang

Loop closing and relocalization are crucial techniques to establish reliable and robust long-term SLAM by addressing pose estimation drift and degeneration. This article begins by formulating loop closing and relocalization within a unified…

Robotics · Computer Science 2023-09-18 Chenghao Shi , Xieyuanli Chen , Junhao Xiao , Bin Dai , Huimin Lu

Face Morphing Attack Detection (MAD) is a critical challenge in face recognition security, where attackers can fool systems by interpolating the identity information of two or more individuals into a single face image, resulting in samples…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Eduarda Caldeira , Fadi Boutros , Naser Damer

CLIP (Contrastive Language-Image Pre-training) uses contrastive learning from noise image-text pairs to excel at recognizing a wide array of candidates, yet its focus on broad associations hinders the precision in distinguishing subtle…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Ziyu Liu , Zeyi Sun , Yuhang Zang , Wei Li , Pan Zhang , Xiaoyi Dong , Yuanjun Xiong , Dahua Lin , Jiaqi Wang