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Many applications require a camera to be relocalised online, without expensive offline training on the target scene. Whilst both keyframe and sparse keypoint matching methods can be used online, the former often fail away from the training…

Computer Vision and Pattern Recognition · Computer Science 2019-06-21 Tommaso Cavallari , Luca Bertinetto , Jishnu Mukhoti , Philip Torr , Stuart Golodetz

Pseudo-supervised learning methods have been shown to be effective for weakly supervised object localization tasks. However, the effectiveness depends on the powerful regularization ability of deep neural networks. Based on the assumption…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Kangbo Sun , Jie Zhu

Scene coordinate regression (SCR) methods are a family of visual localization methods that directly regress 2D-3D matches for camera pose estimation. They are effective in small-scale scenes but face significant challenges in large-scale…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Fangjinhua Wang , Xudong Jiang , Silvano Galliani , Christoph Vogel , Marc Pollefeys

This study introduces a structural-based training approach for CNN-based algorithms in single-molecule localization microscopy (SMLM) and 3D object reconstruction. We compare this approach with the traditional random-based training method,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Armin Abdehkakha , Craig Snoeyink

Event cameras offer a promising avenue for multi-view stereo depth estimation and Simultaneous Localization And Mapping (SLAM) due to their ability to detect blur-free 3D edges at high-speed and over broad illumination conditions. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Diego Hitzges , Suman Ghosh , Guillermo Gallego

Interpretation of the underlying mechanisms of Deep Convolutional Neural Networks has become an important aspect of research in the field of deep learning due to their applications in high-risk environments. To explain these black-box…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Haofan Wang , Rakshit Naidu , Joy Michael , Soumya Snigdha Kundu

Heatmap regression has been used for landmark localization for quite a while now. Most of the methods use a very deep stack of bottleneck modules for heatmap classification stage, followed by heatmap regression to extract the keypoints. In…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Amit Kumar , Rama Chellappa

We propose a new SLAM system that uses the semantic segmentation of objects and structures in the scene. Semantic information is relevant as it contains high level information which may make SLAM more accurate and robust. Our contribution…

Robotics · Computer Science 2022-03-03 Mathieu Gonzalez , Eric Marchand , Amine Kacete , Jérôme Royan

We propose a novel camera-based DNN method for 3D lane detection with uncertainty estimation. Our method is based on a semi-local, BEV, tile representation that breaks down lanes into simple lane segments. It combines learning a parametric…

Computer Vision and Pattern Recognition · Computer Science 2020-03-12 Netalee Efrat , Max Bluvstein , Noa Garnett , Dan Levi , Shaul Oron , Bat El Shlomo

The rapid increase in the availability of accurate 3D scanning devices has moved facial recognition and analysis into the 3D domain. 3D facial landmarks are often used as a simple measure of anatomy and it is crucial to have accurate…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Rasmus R. Paulsen , Kristine Aavild Juhl , Thilde Marie Haspang , Thomas Hansen , Melanie Ganz , Gudmundur Einarsson

Subspace clustering methods based on expressing each data point as a linear combination of all other points in a dataset are popular unsupervised learning techniques. However, existing methods incur high computational complexity on…

Machine Learning · Computer Science 2019-08-05 Farhad Pourkamali-Anaraki

Simultaneous Localization and Mapping (SLAM) has been crucial across various domains, including autonomous driving, mobile robotics, and mixed reality. Dense visual SLAM, leveraging RGB-D camera systems, offers advantages but faces…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Hongbeen Park , Minjeong Park , Giljoo Nam , Jinkyu Kim

LiDAR-based localization and mapping is one of the core components in many modern robotic systems due to the direct integration of range and geometry, allowing for precise motion estimation and generation of high quality maps in real-time.…

Robotics · Computer Science 2022-08-02 Julian Nubert , Etienne Walther , Shehryar Khattak , Marco Hutter

We consider the problem of relative pose regression in visual relocalization. Recently, several promising approaches have emerged in this area. We claim that even though they demonstrate on the same datasets using the same split to train…

Computer Vision and Pattern Recognition · Computer Science 2020-09-25 Amir Shalev , Omer Achrack , Brian Fulkerson , Ben-Zion Bobrovsky

With the advent of powerful, light-weight 3D LiDARs, they have become the hearth of many navigation and SLAM algorithms on various autonomous systems. Pointcloud registration methods working with unstructured pointclouds such as ICP are…

Robotics · Computer Science 2021-04-13 Dominic Streiff , Lukas Bernreiter , Florian Tschopp , Marius Fehr , Roland Siegwart

Since scenes are composed in part of objects, accurate recognition of scenes requires knowledge about both scenes and objects. In this paper we address two related problems: 1) scale induced dataset bias in multi-scale convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Luis Herranz , Shuqiang Jiang , Xiangyang Li

Progress has been achieved recently in object detection given advancements in deep learning. Nevertheless, such tools typically require a large amount of training data and significant manual effort to label objects. This limits their…

Robotics · Computer Science 2017-08-04 Chaitanya Mitash , Kostas E. Bekris , Abdeslam Boularias

Visual place recognition is the task of recognizing same places of query images in a set of database images, despite potential condition changes due to time of day, weather or seasons. It is important for loop closure detection in SLAM and…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Stefan Schubert , Peer Neubert , Peter Protzel

Scene coordinate regression achieves impressive results in outdoor LiDAR localization but requires days of training. Since training needs to be repeated for each new scene, long training times make these methods impractical for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Wen Li , Chen Liu , Shangshu Yu , Dunqiang Liu , Yin Zhou , Siqi Shen , Chenglu Wen , Cheng Wang

Statistical shape analysis is a very useful tool in a wide range of medical and biological applications. However, it typically relies on the ability to produce a relatively small number of features that can capture the relevant variability…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Riddhish Bhalodia , Ladislav Kavan , Ross Whitaker
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