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Full ray-tracing maps of gravitational lensing, constructed from N-Body simulations, represent a fundamental tool to interpret present and future weak lensing data. However the limitation of computational resources and storage capabilities…

Purpose. Given the high level of expertise required for navigation and interpretation of ultrasound images, computational simulations can facilitate the training of such skills in virtual reality. With ray-tracing based simulations,…

Image and Video Processing · Electrical Eng. & Systems 2021-01-22 Lin Zhang , Tiziano Portenier , Orcun Goksel

Determining the relative pose of a previously unseen object between two images is pivotal to the success of generalizable object pose estimation. Existing approaches typically predict 3D translation utilizing the ground-truth object…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Chen Zhao , Tong Zhang , Zheng Dang , Mathieu Salzmann

RayGauss has achieved state-of-the-art rendering quality for novel-view synthesis on synthetic and indoor scenes by representing radiance and density fields with irregularly distributed elliptical basis functions, rendered via volume ray…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Hugo Blanc , Jean-Emmanuel Deschaud , Alexis Paljic

In this paper, we focus on fine-grained recognition of vehicles mainly in traffic surveillance applications. We propose an approach that is orthogonal to recent advancements in fine-grained recognition (automatic part discovery and bilinear…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Jakub Sochor , Jakub Špaňhel , Adam Herout

Embedding image features into a binary Hamming space can improve both the speed and accuracy of large-scale query-by-example image retrieval systems. Supervised hashing aims to map the original features to compact binary codes in a manner…

Machine Learning · Computer Science 2016-11-17 Guosheng Lin , Chunhua Shen , Anton van den Hengel

Incremental scene reconstruction is essential to the navigation in robotics. Most of the conventional methods typically make use of either TSDF (truncated signed distance functions) volume or neural networks to implicitly represent the…

Robotics · Computer Science 2024-04-30 Shaofan Liu , Junbo Chen , Jianke Zhu

Efficient scene representations are essential for many computer graphics applications. A general unified representation that can handle both surfaces and volumes simultaneously, remains a research challenge. Inspired by recent methods for…

Graphics · Computer Science 2025-09-10 Jorge Condor , Sebastien Speierer , Lukas Bode , Aljaz Bozic , Simon Green , Piotr Didyk , Adrian Jarabo

This work presents a compact, cumulative and coalescible probabilistic voxel mapping method to enhance performance, accuracy and memory efficiency in LiDAR odometry. Probabilistic voxel mapping requires storing past point clouds and…

Robotics · Computer Science 2024-10-11 Xu Yang , Wenhao Li , Qijie Ge , Lulu Suo , Weijie Tang , Zhengyu Wei , Longxiang Huang , Bo Wang

The one-shot multi-object tracking, which integrates object detection and ID embedding extraction into a unified network, has achieved groundbreaking results in recent years. However, current one-shot trackers solely rely on single-frame…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Chao Liang , Zhipeng Zhang , Xue Zhou , Bing Li , Weiming Hu

Autonomous Vehicles (AVs) use natural images and videos as input to understand the real world by overlaying and inferring digital elements, facilitating proactive detection in an effort to assure safety. A crucial aspect of this process is…

Universal Lesion Detection (ULD) in computed tomography plays an essential role in computer-aided diagnosis systems. Many detection approaches achieve excellent results for ULD using possible bounding boxes (or anchors) as proposals.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Han Li , Hu Han , S. Kevin Zhou

Multiple object tracking (MOT) depends heavily on selection of true positive detected bounding boxes. However, this aspect of the problem is mostly overlooked or mitigated by employing two-stage association and utilizing low confidence…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Vukašin Stanojević , Branimir Todorović

Despite the remarkable accuracy of deep neural networks in object detection, they are costly to train and scale due to supervision requirements. Particularly, learning more object categories typically requires proportionally more bounding…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Alireza Zareian , Kevin Dela Rosa , Derek Hao Hu , Shih-Fu Chang

We detail the application of bounding volume hierarchies to accelerate second-virial evaluations for arbitrary complex particles interacting through hard and soft finite-range potentials. This procedure, based on the construction of…

Soft Condensed Matter · Physics 2017-12-14 Maxime M. C. Tortora , Jonathan P. K. Doye

Point cloud models are a common shape representation for several reasons. Three-dimensional scanning devices are widely used nowadays and points are an attractive primitive for rendering complex geometry. Nevertheless, there is not much…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Mauro Figueiredo , João Pereira , João Oliveira , Bruno Araujo

This paper presents a set of simple and intuitive robot collision detection algorithms that show substantial scaling improvements for high geometric complexity and large numbers of collision queries by leveraging hardware-accelerated ray…

Robotics · Computer Science 2025-09-11 Sizhe Sui , Luis Sentis , Andrew Bylard

SLAM technology plays a crucial role in indoor mapping and localization. A common challenge in indoor environments is the "double-sided mapping issue", where closely positioned walls, doors, and other surfaces are mistakenly identified as a…

Robotics · Computer Science 2025-04-14 Chengwei Zhao , Yixuan Li , Yina Jian , Jie Xu , Linji Wang , Yongxin Ma , Xinglai Jin

Arbitrary-oriented objects exist widely in natural scenes, and thus the oriented object detection has received extensive attention in recent years. The mainstream rotation detectors use oriented bounding boxes (OBB) or quadrilateral…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Qi Ming , Lingjuan Miao , Zhiqiang Zhou , Xue Yang , Yunpeng Dong

We present CCO-VOXEL: the very first chance-constrained optimization (CCO) algorithm that can compute trajectory plans with probabilistic safety guarantees in real-time directly on the voxel-grid representation of the world. CCO-VOXEL maps…