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Related papers: UR2KiD: Unifying Retrieval, Keypoint Detection, an…

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Although unsupervised feature learning has demonstrated its advantages to reducing the workload of data labeling and network design in many fields, existing unsupervised 3D learning methods still cannot offer a generic network for various…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Peng-Shuai Wang , Yu-Qi Yang , Qian-Fang Zou , Zhirong Wu , Yang Liu , Xin Tong

Visual correspondence is a crucial step in key computer vision tasks, including camera localization, image registration, and structure from motion. The most effective techniques for matching keypoints currently involve using learned sparse…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Felipe Cadar , Guilherme Potje , Renato Martins , Cédric Demonceaux , Erickson R. Nascimento

Deep-learning-based local feature extraction algorithms that combine detection and description have made significant progress in visible image matching. However, the end-to-end training of such frameworks is notoriously unstable due to the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Yuxin Deng , Jiayi Ma

Existing information retrieval (IR) models often assume a homogeneous format, limiting their applicability to diverse user needs, such as searching for images with text descriptions, searching for a news article with a headline image, or…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Cong Wei , Yang Chen , Haonan Chen , Hexiang Hu , Ge Zhang , Jie Fu , Alan Ritter , Wenhu Chen

We propose a novel learned keypoint detection method to increase the number of correct matches for the task of non-rigid image correspondence. By leveraging true correspondences acquired by matching annotated image pairs with a specified…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Felipe Cadar , Welerson Melo , Vaishnavi Kanagasabapathi , Guilherme Potje , Renato Martins , Erickson R. Nascimento

Approaches for single-view reconstruction typically rely on viewpoint annotations, silhouettes, the absence of background, multiple views of the same instance, a template shape, or symmetry. We avoid all such supervision and assumptions by…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Tom Monnier , Matthew Fisher , Alexei A. Efros , Mathieu Aubry

While language tasks are naturally expressed in a single, unified, modeling framework, i.e., generating sequences of tokens, this has not been the case in computer vision. As a result, there is a proliferation of distinct architectures and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Ting Chen , Saurabh Saxena , Lala Li , Tsung-Yi Lin , David J. Fleet , Geoffrey Hinton

Learnable keypoint detectors and descriptors are beginning to outperform classical hand-crafted feature extraction methods. Recent studies on self-supervised learning of visual representations have driven the increasing performance of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Henrique Siqueira , Patrick Ruhkamp , Ibrahim Halfaoui , Markus Karmann , Onay Urfalioglu

In this paper, we present a novel approach that exploits the information within the descriptor space to propose keypoint locations. Detect then describe, or detect and describe jointly are two typical strategies for extracting local…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Yurun Tian , Vassileios Balntas , Tony Ng , Axel Barroso-Laguna , Yiannis Demiris , Krystian Mikolajczyk

Single-image super-resolution refers to the reconstruction of a high-resolution image from a single low-resolution observation. Although recent deep learning-based methods have demonstrated notable success on simulated datasets -- with…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Maciej Zyrek , Tomasz Tarasiewicz , Jakub Sadel , Aleksandra Krzywon , Michal Kawulok

Map-to-map matching is a critical task for aligning spatial data across heterogeneous sources, yet it remains challenging due to the lack of ground truth correspondences, sparse node features, and scalability demands. In this paper, we…

Machine Learning · Computer Science 2026-01-21 Chaolong Ying , Yinan Zhang , Lei Zhang , Jiazhuang Wang , Shujun Jia , Tianshu Yu

Researchers have attempted utilizing deep neural network (DNN) to learn novel local features from images inspired by its recent successes on a variety of vision tasks. However, existing DNN-based algorithms have not achieved such remarkable…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Yafei Song , Ling Cai , Jia Li , Yonghong Tian , Mingyang Li

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

Visual Place Recognition is a task that aims to predict the coordinates of an image (called query) based solely on visual clues. Most commonly, a retrieval approach is adopted, where the query is matched to the most similar images from a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Giovanni Barbarani , Mohamad Mostafa , Hajali Bayramov , Gabriele Trivigno , Gabriele Berton , Carlo Masone , Barbara Caputo

Monocular 3D object detection is well-known to be a challenging vision task due to the loss of depth information; attempts to recover depth using separate image-only approaches lead to unstable and noisy depth estimates, harming 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Ivan Barabanau , Alexey Artemov , Evgeny Burnaev , Vyacheslav Murashkin

Retrieving images from large and varied repositories using visual contents has been one of major research items, but a challenging task in the image management community. In this paper we present an efficient approach for region-based image…

Computer Vision and Pattern Recognition · Computer Science 2010-06-24 S. Sadek , A. Al-Hamadi , B. Michaelis , U. Sayed

Keypoint detection and description is fundamental yet important in many vision applications. Most existing methods use detect-then-describe or detect-and-describe strategy to learn local features without considering their context…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Siyu Hong , Kunhong Li , Yongcong Zhang , Zhiheng Fu , Mengyi Liu , Yulan Guo

This paper proposes to use keypoints as a self-supervision clue for learning depth map estimation from a collection of input images. As ground truth depth from real images is difficult to obtain, there are many unsupervised and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Kristijan Bartol , David Bojanic , Tomislav Petkovic , Tomislav Pribanic , Yago Diez Donoso

Convolutional neural networks (CNNs) have recently received a lot of attention due to their ability to model local stationary structures in natural images in a multi-scale fashion, when learning all model parameters with supervision. While…

Computer Vision and Pattern Recognition · Computer Science 2016-03-02 Mattis Paulin , Julien Mairal , Matthijs Douze , Zaid Harchaoui , Florent Perronnin , Cordelia Schmid

For retinal image matching (RIM), we propose SuperRetina, the first end-to-end method with jointly trainable keypoint detector and descriptor. SuperRetina is trained in a novel semi-supervised manner. A small set of (nearly 100) images are…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Jiazhen Liu , Xirong Li , Qijie Wei , Jie Xu , Dayong Ding