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Existing progress in object keypoint estimation primarily benefits from the conventional supervised learning paradigm based on numerous data labeled with pre-defined keypoints. However, these well-trained models can hardly detect the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Mingfu Liang , Jiahuan Zhou , Xu Zou , Ying Wu

Object-centric understanding is fundamental to human vision and required for complex reasoning. Traditional methods define slot-based bottlenecks to learn object properties explicitly, while recent self-supervised vision models like DINO…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Stefan Sylvius Wagner , Stefan Harmeling

In the current salient object detection network, the most popular method is using U-shape structure. However, the massive number of parameters leads to more consumption of computing and storage resources which are not feasible to deploy on…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Bin Zhang , Yang Wu , Xiaojing Zhang , Ming Ma

The performance of visual SLAM in complex, real-world scenarios is often compromised by unreliable feature extraction and matching when using handcrafted features. Although deep learning-based local features excel at capturing high-level…

Robotics · Computer Science 2024-06-26 Hao Qu , Lilian Zhang , Jun Mao , Junbo Tie , Xiaofeng He , Xiaoping Hu , Yifei Shi , Changhao Chen

Stroke classification remains challenging due to variations in writing style, ambiguous content, and dynamic writing positions. The core challenge in stroke classification is modeling the semantic relationships between strokes. Our…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yiheng Huang , Shuang She , Zewei Wei , Jianmin Lin , Ming Yang , Wenyin Liu

Our work reveals a structured shortcoming of the existing mainstream self-supervised learning methods. Whereas self-supervised learning frameworks usually take the prevailing perfect instance level invariance hypothesis for granted, we…

Machine Learning · Computer Science 2021-12-16 Yu Wang , Jingyang Lin , Jingjing Zou , Yingwei Pan , Ting Yao , Tao Mei

We address a core problem of computer vision: Detection and description of 2D feature points for image matching. For a long time, hand-crafted designs, like the seminal SIFT algorithm, were unsurpassed in accuracy and efficiency. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Aritra Bhowmik , Stefan Gumhold , Carsten Rother , Eric Brachmann

We introduce SANDesc, a Streamlined Attention-Based Network for Descriptor extraction that aims to improve on existing architectures for keypoint description. Our descriptor network learns to compute descriptors that improve matching…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mattia D'Urso , Emanuele Santellani , Christian Sormann , Mattia Rossi , Andreas Kuhn , Friedrich Fraundorfer

It is well known that contextual and multi-scale representations are important for accurate visual recognition. In this paper we present the Inside-Outside Net (ION), an object detector that exploits information both inside and outside the…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Sean Bell , C. Lawrence Zitnick , Kavita Bala , Ross Girshick

Detecting a small number of outliers from a set of data observations is always challenging. This problem is more difficult in the setting of multiple network samples, where computing the anomalous degree of a network sample is generally not…

Artificial Intelligence · Computer Science 2016-10-04 Xuan-Hong Dang , Arlei Silva , Ambuj Singh , Ananthram Swami , Prithwish Basu

In this paper, we propose a zoom-out-and-in network for generating object proposals. We utilize different resolutions of feature maps in the network to detect object instances of various sizes. Specifically, we divide the anchor candidates…

Computer Vision and Pattern Recognition · Computer Science 2017-02-21 Hongyang Li , Yu Liu , Wanli Ouyang , Xiaogang Wang

Outlier detection (OD) is a key machine learning (ML) task for identifying abnormal objects from general samples with numerous high-stake applications including fraud detection and intrusion detection. Due to the lack of ground truth…

We study how to leverage Web images to augment human-curated object detection datasets. Our approach is two-pronged. On the one hand, we retrieve Web images by image-to-image search, which incurs less domain shift from the curated data than…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Yandong Li , Di Huang , Danfeng Qin , Liqiang Wang , Boqing Gong

Out-of-Distribution (OOD) detection is a critical task that has garnered significant attention. The emergence of CLIP has spurred extensive research into zero-shot OOD detection, often employing a training-free approach. Current methods…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Haoran Xu , Yanlin Liu , Zizhao Tong , Jiaze Li , Kexue Fu , Yuyang Zhang , Longxiang Gao , Shuaiguang Li , Xingyu Li , Yanran Xu , Changwei Wang

Automatic detection of prohibited items in X-ray images plays a crucial role in public security. However, existing methods rely heavily on labor-intensive box annotations. To address this, we investigate X-ray prohibited item detection…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Sanjoeng Wong , Yan Yan

This paper introduces a new algorithm for unsupervised learning of keypoint detectors and descriptors, which demonstrates fast convergence and good performance across different datasets. The training procedure uses homographic…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Anatoly Belikov , Alexey Potapov

Benefit from the quick development of deep learning techniques, salient object detection has achieved remarkable progresses recently. However, there still exists following two major challenges that hinder its application in embedded…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Shuhan Chen , Xiuli Tan , Ben Wang , Xuelong Hu

A wide range of computer vision algorithms rely on identifying sparse interest points in images and establishing correspondences between them. However, only a subset of the initially identified interest points results in true…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Titus Cieslewski , Konstantinos G. Derpanis , Davide Scaramuzza

Supervised classification methods often assume the train and test data distributions are the same and that all classes in the test set are present in the training set. However, deployed classifiers often require the ability to recognize…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Ryne Roady , Tyler L. Hayes , Ronald Kemker , Ayesha Gonzales , Christopher Kanan

Knowledge about the locations of keypoints of an object in an image can assist in fine-grained classification and identification tasks, particularly for the case of objects that exhibit large variations in poses that greatly influence their…

Computer Vision and Pattern Recognition · Computer Science 2021-01-21 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh