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Related papers: Keypoint-Aligned Embeddings for Image Retrieval an…

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Keypoint detection is one of the most important pre-processing steps in tasks such as face modeling, recognition and verification. In this paper, we present an iterative method for Keypoint Estimation and Pose prediction of unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2017-02-17 Amit Kumar , Azadeh Alavi , Rama Chellappa

In this paper, we propose an end-to-end framework that jointly learns keypoint detection, descriptor representation and cross-frame matching for the task of image-based 3D localization. Prior art has tackled each of these components…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Xiangyu Xu , Li Guan , Enrique Dunn , Haoxiang Li , Gang Hua

In the context of pose-invariant object recognition and retrieval, we demonstrate that it is possible to achieve significant improvements in performance if both the category-based and the object-identity-based embeddings are learned…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Rohan Sarkar , Avinash Kak

Re-ranking utilizes contextual information to optimize the initial ranking list of person or vehicle re-identification (re-ID), which boosts the retrieval performance at post-processing steps. This paper proposes a re-ranking network to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Yunhao Zhou , Yi Wang , Lap-Pui Chau

Augmentation-based self-supervised learning methods have shown remarkable success in self-supervised visual representation learning, excelling in learning invariant features but often neglecting equivariant ones. This limitation reduces the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Qin Wang , Kai Krajsek , Hanno Scharr

Deep neural networks trained for classification have been found to learn powerful image representations, which are also often used for other tasks such as comparing images w.r.t. their visual similarity. However, visual similarity does not…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Björn Barz , Joachim Denzler

This paper addresses the problem of matching pedestrians across multiple camera views, known as person re-identification. Variations in lighting conditions, environment and pose changes across camera views make re-identification a…

Computer Vision and Pattern Recognition · Computer Science 2015-12-01 Rahul Rama Varior , Gang Wang

Pedestrian misalignment, which mainly arises from detector errors and pose variations, is a critical problem for a robust person re-identification (re-ID) system. With bad alignment, the background noise will significantly compromise the…

Computer Vision and Pattern Recognition · Computer Science 2017-01-27 Liang Zheng , Yujia Huang , Huchuan Lu , Yi Yang

Finding correspondences between images or 3D scans is at the heart of many computer vision and image retrieval applications and is often enabled by matching local keypoint descriptors. Various learning approaches have been applied in the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Georgios Georgakis , Srikrishna Karanam , Ziyan Wu , Jan Ernst , Jana Kosecka

It is time-consuming and expensive to take high-quality or high-resolution electron microscopy (EM) and fluorescence microscopy (FM) images. Taking these images could be even invasive to samples and may damage certain subtleties in the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Yaochen Xie , Yu Ding , Shuiwang Ji

We propose a vision-based method that localizes a ground vehicle using publicly available satellite imagery as the only prior knowledge of the environment. Our approach takes as input a sequence of ground-level images acquired by the…

Robotics · Computer Science 2022-03-08 Dong-Ki Kim , Matthew R. Walter

We propose a Convolutional Neural Network (CNN)-based model "RotationNet," which takes multi-view images of an object as input and jointly estimates its pose and object category. Unlike previous approaches that use known viewpoint labels…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Asako Kanezaki , Yasuyuki Matsushita , Yoshifumi Nishida

Intelligent robots require object-level scene understanding to reason about possible tasks and interactions with the environment. Moreover, many perception tasks such as scene reconstruction, image retrieval, or place recognition can…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Cathrin Elich , Iro Armeni , Martin R. Oswald , Marc Pollefeys , Joerg Stueckler

Category-level object pose estimation aims to predict the 6D pose and size of previously unseen instances from predefined categories, requiring strong generalization across diverse object instances. Although many previous methods attempt to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Xiao Zhang , Lu Zou , Tao Lu , Yuan Yao , Zhangjin Huang , Guoping Wang

Few-shot deep learning is a topical challenge area for scaling visual recognition to open ended growth of unseen new classes with limited labeled examples. A promising approach is based on metric learning, which trains a deep embedding to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Xueting Zhang , Yuting Qiang , Flood Sung , Yongxin Yang , Timothy M. Hospedales

In the context of few-shot classification, the goal is to train a classifier using a limited number of samples while maintaining satisfactory performance. However, traditional metric-based methods exhibit certain limitations in achieving…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Fatemeh Askari , Amirreza Fateh , Mohammad Reza Mohammadi

The goal of this paper is to estimate the viewpoint for a novel object. Standard viewpoint estimation approaches generally fail on this task due to their reliance on a 3D model for alignment or large amounts of class-specific training data…

Computer Vision and Pattern Recognition · Computer Science 2020-06-08 Mohamed El Banani , Jason J. Corso , David F. Fouhey

Many of the existing methods for learning joint embedding of images and text use only supervised information from paired images and its textual attributes. Taking advantage of the recent success of unsupervised learning in deep neural…

Computer Vision and Pattern Recognition · Computer Science 2017-03-21 Yao-Hung Hubert Tsai , Liang-Kang Huang , Ruslan Salakhutdinov

Re-identification of individual animals in images can be ambiguous due to subtle variations in body markings between different individuals and no constraints on the poses of animals in the wild. Person re-identification is a similar task…

Computer Vision and Pattern Recognition · Computer Science 2020-01-10 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

Recognition of human poses and actions is crucial for autonomous systems to interact smoothly with people. However, cameras generally capture human poses in 2D as images and videos, which can have significant appearance variations across…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Ting Liu , Jennifer J. Sun , Long Zhao , Jiaping Zhao , Liangzhe Yuan , Yuxiao Wang , Liang-Chieh Chen , Florian Schroff , Hartwig Adam