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Visual place recognition (VPR) is usually considered as a specific image retrieval problem. Limited by existing training frameworks, most deep learning-based works cannot extract sufficiently stable global features from RGB images and rely…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Yanqing Shen , Sanping Zhou , Jingwen Fu , Ruotong Wang , Shitao Chen , Nanning Zheng

Creating large-scale and well-annotated datasets to train AI algorithms is crucial for automated tumor detection and localization. However, with limited resources, it is challenging to determine the best type of annotations when annotating…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Yu-Cheng Chou , Bowen Li , Deng-Ping Fan , Alan Yuille , Zongwei Zhou

Acquiring the most representative examples via active learning (AL) can benefit many data-dependent computer vision tasks by minimizing efforts of image-level or pixel-wise annotations. In this paper, we propose a novel Collaborative…

Computer Vision and Pattern Recognition · Computer Science 2022-01-12 Yu Qiao , Jincheng Zhu , Chengjiang Long , Zeyao Zhang , Yuxin Wang , Zhenjun Du , Xin Yang

Semi-supervised semantic segmentation aims to learn from a small amount of labeled data and plenty of unlabeled ones for the segmentation task. The most common approach is to generate pseudo-labels for unlabeled images to augment the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Rui Chen , Tao Chen , Qiong Wang , Yazhou Yao

Object detection is a fundamental problem in computer vision, aiming at locating and classifying objects in image. Although current devices can easily take very high-resolution images, current approaches of object detection seldom consider…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Jinyan Liu , Jie Chen

To advance the field of autonomous robotics, particularly in object search tasks within unexplored environments, we introduce a novel framework centered around the Probable Object Location (POLo) score. Utilizing a 3D object probability…

Robotics · Computer Science 2023-11-15 Jiaming Wang , Harold Soh

Visual place recognition (VPR) is a robot's ability to determine whether a place was visited before using visual data. While conventional hand-crafted methods for VPR fail under extreme environmental appearance changes, those based on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Bruno Ferrarini , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

Traditionally, most of the existing attribute learning methods are trained based on the consensus of annotations aggregated from a limited number of annotators. However, the consensus might fail in settings, especially when a wide spectrum…

Machine Learning · Computer Science 2019-06-19 Zhiyong Yang , Qianqian Xu , Xiaochun Cao , Qingming Huang

This work proposes a process for efficiently training a point-wise object detector that enables localizing objects and computing their 6D poses in cluttered and occluded scenes. Accurate pose estimation is typically a requirement for robust…

Computer Vision and Pattern Recognition · Computer Science 2019-02-22 Jean-Philippe Mercier , Chaitanya Mitash , Philippe Giguère , Abdeslam Boularias

Visual Place Recognition (VPR) estimates the location of query images by matching them with images in a reference database. Conventional methods generally adopt aggregated CNN features for global retrieval and RANSAC-based geometric…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Sijie Zhu , Linjie Yang , Chen Chen , Mubarak Shah , Xiaohui Shen , Heng Wang

Learning medical visual representations from image-report pairs through joint learning has garnered increasing research attention due to its potential to alleviate the data scarcity problem in the medical domain. The primary challenges stem…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Jun Wang , Lixing Zhu , Xiaohan Yu , Abhir Bhalerao , Yulan He

We propose an object detection system that relies on a multi-region deep convolutional neural network (CNN) that also encodes semantic segmentation-aware features. The resulting CNN-based representation aims at capturing a diverse set of…

Computer Vision and Pattern Recognition · Computer Science 2015-09-25 Spyros Gidaris , Nikos Komodakis

Cancer detection and classification from gigapixel whole slide images of stained tissue specimens has recently experienced enormous progress in computational histopathology. The limitation of available pixel-wise annotated scans shifted the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Mehdi Naouar , Gabriel Kalweit , Ignacio Mastroleo , Philipp Poxleitner , Marc Metzger , Joschka Boedecker , Maria Kalweit

We address multi-reference visual place recognition (VPR), where reference sets captured under varying conditions are used to improve localisation performance. While deep learning with large-scale training improves robustness, increasing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Timur Ismagilov , Shakaiba Majeed , Michael Milford , Tan Viet Tuyen Nguyen , Sarvapali D. Ramchurn , Shoaib Ehsan

Existing polarimetric synthetic aperture radar (PolSAR) image classification methods cannot achieve satisfactory performance on complex scenes characterized by several types of land cover with significant levels of noise or similar…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Wenshuai Chen , Shuiping Gou , Xinlin Wang , Licheng Jiao , Changzhe Jiao , Alina Zare

3D Visual Grounding (3DVG) aims to localize the referent of natural language referring expressions through two core tasks: Referring Expression Comprehension (3DREC) and Segmentation (3DRES). While existing methods achieve high accuracy in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Wenbin Tan , Jiawen Lin , Fangyong Wang , Yuan Xie , Yong Xie , Yachao Zhang , Yanyun Qu

Mixup - a neural network regularization technique based on linear interpolation of labeled sample pairs - has stood out by its capacity to improve model's robustness and generalizability through a surprisingly simple formalism. However, its…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 Shahine Bouabid , Vincent Delaitre

Models based on Convolutional Neural Networks (CNNs) have been proven very successful for semantic segmentation and object parsing that yield hierarchies of features. Our key insight is to build convolutional networks that take input of…

Artificial Intelligence · Computer Science 2017-10-31 Jalal Mirakhorli , Hamidreza Amindavar

Visual Place Recognition (VPR) is the task of matching current visual imagery from a camera to images stored in a reference map of the environment. While initial VPR systems used simple direct image methods or hand-crafted visual features,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Sourav Garg , Michael Milford

Road segmentation in challenging domains, such as night, snow or rain, is a difficult task. Most current approaches boost performance using fine-tuning, domain adaptation, style transfer, or by referencing previously acquired imagery. These…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Connor Malone , Sourav Garg , Ming Xu , Thierry Peynot , Michael Milford