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This work addresses the challenge of sub-pixel accuracy in detecting 2D local features, a cornerstone problem in computer vision. Despite the advancements brought by neural network-based methods like SuperPoint and ALIKED, these modern…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Shinjeong Kim , Marc Pollefeys , Daniel Barath

In this paper we deal with contour detection based on the recent image analogy principle which has been successfully used for super-resolution, texture and curves synthesis and interactive editing. Hand-drawn outlines are initially as…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Slimane Larabi , Neil M. Robertson

Accurate and robust global localization is essential to robotics applications. We propose a novel global localization method that employs the map traversability as a hidden observation. The resulting map-corrected odometry localization is…

Robotics · Computer Science 2019-10-02 Cheng Peng , David Weikersdorfer

Current anomaly detection methods primarily focus on low-resolution scenarios. For high-resolution images, conventional downsampling often results in missed detections of subtle anomalous regions due to the loss of fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Ximiao Zhang , Min Xu , Xiuzhuang Zhou

In this paper, we propose a pixel-wise method named TextCohesion for scene text detection, which splits a text instance into five key components: a Text Skeleton and four Directional Pixel Regions. These components are easier to handle than…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Weijia Wu , Jici Xing , Hong Zhou

Object pose estimation is an important component of most vision pipelines for embodied agents, as well as in 3D vision more generally. In this paper we tackle the problem of estimating the pose of novel object categories in a zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Walter Goodwin , Sagar Vaze , Ioannis Havoutis , Ingmar Posner

Zero-shot learning(ZSL) aims to recognize new classes without prior exposure to their samples, relying on semantic knowledge from observed classes. However, current attention-based models may overlook the transferability of visual features…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Yu Lei , Guoshuai Sheng , Fangfang Li , Quanxue Gao , Cheng Deng , Qin Li

We present a novel, training-free approach to scene change detection. Our method leverages tracking models, which inherently perform change detection between consecutive frames of video by identifying common objects and detecting new or…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Kyusik Cho , Dong Yeop Kim , Euntai Kim

We report a measurement workflow free of systematic errors consisting of a reconfigurable photon-number-resolving detector, custom electronic circuitry, and faithful data-processing algorithm. We achieve unprecedentedly accurate measurement…

Quantum Physics · Physics 2019-10-30 Josef Hloušek , Michal Dudka , Ivo Straka , Miroslav Ježek

Establishing semantic correspondence across images when the objects in the images have undergone complex deformations remains a challenging task in the field of computer vision. In this paper, we propose a hierarchical method to tackle this…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Akila Pemasiri , Kien Nguyen , Sridha Sridhara , and Clinton Fookes

With the prevalence of image editing techniques, users can create fantastic synthetic images, but the image quality may be compromised by the color/illumination discrepancy between the manipulated region and background. Inharmonious region…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Penghao Wu , Li Niu , Liqing Zhang

Zero-shot anomaly detection (ZSAD) requires detection models trained using auxiliary data to detect anomalies without any training sample in a target dataset. It is a crucial task when training data is not accessible due to various…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Qihang Zhou , Guansong Pang , Yu Tian , Shibo He , Jiming Chen

Anomaly localization is an important problem in computer vision which involves localizing anomalous regions within images with applications in industrial inspection, surveillance, and medical imaging. This task is challenging due to the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Shashanka Venkataramanan , Kuan-Chuan Peng , Rajat Vikram Singh , Abhijit Mahalanobis

Hashing algorithms have been widely used in large-scale image retrieval tasks, especially for seen class data. Zero-shot hashing algorithms have been proposed to handle unseen class data. The key technique in these algorithms involves…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Yan Jiang , Zhongmiao Qi , Jianhao Li , Jiangbo Qian , Chong Wang , Yu Xin

Co-localization is the problem of localizing objects of the same class using only the set of images that contain them. This is a challenging task because the object detector must be built without negative examples that can lead to more…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Hieu Le , Chen-Ping Yu , Gregory Zelinsky , Dimitris Samaras

This paper introduces a nonparametric algorithm for bootstrapping a stationary random field and proves certain consistency properties of the algorithm for the case of mixing random fields. The motivation for this paper comes from relating a…

Statistics Theory · Mathematics 2007-06-13 Elizaveta Levina , Peter J. Bickel

We present the efficiency of semi-orthogonal embedding for unsupervised anomaly segmentation. The multi-scale features from pre-trained CNNs are recently used for the localized Mahalanobis distances with significant performance. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Jin-Hwa Kim , Do-Hyeong Kim , Saehoon Yi , Taehoon Lee

Feature selection, an effective technique for dimensionality reduction, plays an important role in many machine learning systems. Supervised knowledge can significantly improve the performance. However, faced with the rapid growth of newly…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Zheng Wang , Qiao Wang , Tingzhang Zhao , Xiaojun Ye

In industrial manufacturing processes, errors frequently occur at unpredictable times and in unknown manifestations. We tackle the problem of automatic defect detection without requiring any image samples of defective parts. Recent works…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Marco Rudolph , Tom Wehrbein , Bodo Rosenhahn , Bastian Wandt

A critical vulnerability of supervised deep learning in high-dimensional tabular domains is "generalization collapse": models form precise decision boundaries around known training distributions but fail catastrophically when encountering…

Machine Learning · Computer Science 2026-03-10 Rajeeb Thapa Chhetri , Saurab Thapa , Avinash Kumar , Zhixiong Chen
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