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Related papers: On the Comparison of Classic and Deep Keypoint Det…

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Extraction of local feature descriptors is a vital stage in the solution pipelines for numerous computer vision tasks. Learning-based approaches improve performance in certain tasks, but still cannot replace handcrafted features in general.…

Computer Vision and Pattern Recognition · Computer Science 2018-04-19 Kun He , Yan Lu , Stan Sclaroff

Matching keypoint pairs of different images is a basic task of computer vision. Most methods require customized extremum point schemes to obtain the coordinates of feature points with high confidence, which often need complex algorithmic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Kai Lv , Zongqing Lu , Qingmin Liao

Feature Descriptors and Detectors are two main components of feature-based point cloud registration. However, little attention has been drawn to the explicit representation of local and global semantics in the learning of descriptors and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Canhui Tang , Yiheng Li , Shaoyi Du , Guofa Wang , Zhiqiang Tian

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

The deep learning-based visual tracking algorithms such as MDNet achieve high performance leveraging to the feature extraction ability of a deep neural network. However, the tracking efficiency of these trackers is not very high due to the…

Computer Vision and Pattern Recognition · Computer Science 2019-11-06 Peidong Liu , Xiyu Yan , Yong Jiang , Shu-Tao Xia

In this paper, we propose a new approach for keypoint-based object detection. Traditional keypoint-based methods consist in classifying individual points and using pose estimation to discard misclassifications. Since a single point carries…

Computer Vision and Pattern Recognition · Computer Science 2009-02-02 Marcelo Hashimoto , Roberto M. Cesar

DeepSearch paradigms have become a core enabler for deep reasoning models, allowing them to invoke external search tools to access up-to-date, domain-specific knowledge beyond parametric boundaries, thereby enhancing the depth and factual…

Artificial Intelligence · Computer Science 2025-12-11 Hengzhi Lan , Yue Yu , Li Qian , Li Peng , Jie Wu , Wei Liu , Jian Luan , Ting Bai

Using deep neural networks to identify and locate proton-proton collision points, or primary vertices, in LHCb has been studied for several years. Preliminary results demonstrated the ability for a hybrid deep learning algorithm to achieve…

High Energy Physics - Experiment · Physics 2023-04-06 Simon Akar , Michael Peters , Henry Schreiner , Michael D Sokoloff , William Tepe

Keypoint detector and descriptor are two main components of point cloud registration. Previous learning-based keypoint detectors rely on saliency estimation for each point or farthest point sample (FPS) for candidate points selection, which…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Fan Lu , Guang Chen , Yinlong Liu , Zhongnan Qu , Alois Knoll

We present an algorithm for extracting key-point descriptors using deep convolutional neural networks (CNN). Unlike many existing deep CNNs, our model computes local features around a given point in an image. We also present a face…

Computer Vision and Pattern Recognition · Computer Science 2016-02-01 Amit Kumar , Rajeev Ranjan , Vishal Patel , Rama Chellappa

The field of keypoint extraction, which is essential for vision applications like Structure from Motion (SfM) and Simultaneous Localization and Mapping (SLAM), has evolved from relying on handcrafted methods to leveraging deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Haodi Yao , Fenghua He , Ning Hao , Chen Xie

Matching two images while estimating their relative geometry is a key step in many computer vision applications. For decades, a well-established pipeline, consisting of SIFT, RANSAC, and 8-point algorithm, has been used for this task.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Jia-Wang Bian , Yu-Huan Wu , Ji Zhao , Yun Liu , Le Zhang , Ming-Ming Cheng , Ian Reid

Feature matching determines the orientation accuracy for the High Spatial Resolution (HSR) optical satellite stereos, subsequently impacting several significant applications such as 3D reconstruction and change detection. However, the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Qiyan Luo , Jidan Zhang , Yuzhen Xie , Xu Huang , Ting Han

Understanding point clouds is of great importance. Many previous methods focus on detecting salient keypoints to identity structures of point clouds. However, existing methods neglect the semantics of points selected, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Ruoxi Shi , Zhengrong Xue , Xinyang Li

All current popular hand-crafted key-point detectors such as Harris corner, MSER, SIFT, SURF... rely on some specific pre-designed structures for the detection of corners, blobs, or junctions in an image. In this paper, a novel sparse…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Thanh Hong-Phuoc , Yifeng He , Ling Guan

This paper presents a comparative study of classical machine learning and deep learning methods for sentiment classification on the IMDb movie reviews dataset. The machine learning pipeline uses TF-IDF features and PyCaret AutoML to…

We run an independent comparison of all hyperparameter optimization (hyperopt) engines available in the Ray Tune library. We introduce two ways to normalize and aggregate statistics across data sets and models, one rank-based, and another…

Machine Learning · Computer Science 2023-11-28 Balazs Kegl

Deep learning has shown promising results for multiple 3D point cloud registration datasets. However, in the underwater domain, most registration of multibeam echo-sounder (MBES) point cloud data are still performed using classical methods…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Li Ling , Jun Zhang , Nils Bore , John Folkesson , Anna Wåhlin

Local image feature descriptors have had a tremendous impact on the development and application of computer vision methods. It is therefore unsurprising that significant efforts are being made for learning-based image point descriptors.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Rashik Shrestha , Ajad Chhatkuli , Menelaos Kanakis , Luc Van Gool

Accurate image registration is critical for lunar exploration, enabling surface mapping, resource localization, and mission planning. Aligning data from diverse lunar sensors -- optical (e.g., Orbital High Resolution Camera, Narrow and Wide…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 R. Makharia , J. G. Singla , Amitabh , N. Dube , H. Sharma