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This paper presents a method for improved analysis of objects with an axial symmetry using X-ray Computed Tomography (CT). Cylindrical coordinates about an axis fixed to the object form the most natural base to check certain characteristics…

Image and Video Processing · Electrical Eng. & Systems 2020-10-06 Wannes Goethals , Marjolein Heyndrickx , Matthieu Boone

Visual grounding aims to identify objects or regions in a scene based on natural language descriptions, essential for spatially aware perception in autonomous driving. However, existing visual grounding tasks typically depend on bounding…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Zhan Shi , Song Wang , Junbo Chen , Jianke Zhu

Three-dimensional reconstruction is a fundamental problem in robotics perception. We examine the problem of active view selection to perform 3D Gaussian Splatting reconstructions with as few input images as possible. Although 3D Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Monica M. Q. Li , Pierre-Yves Lajoie , Giovanni Beltrame

This paper proposes a computationally efficient approach to detecting objects natively in 3D point clouds using convolutional neural networks (CNNs). In particular, this is achieved by leveraging a feature-centric voting scheme to implement…

Robotics · Computer Science 2017-03-07 Martin Engelcke , Dushyant Rao , Dominic Zeng Wang , Chi Hay Tong , Ingmar Posner

A new methodology is proposed to estimate 3D displacement fields from pairs of images obtained from X-Ray Computed Micro Tomography (XCMT). Contrary to local approaches, a global approach is followed herein that evaluates {\em continuous}…

Classical Physics · Physics 2007-12-18 Stephane Roux , François Hild , Philippe Viot , Dominique Bernard

In computer vision, the estimation of the fundamental matrix is a basic problem that has been extensively studied. The accuracy of the estimation imposes a significant influence on subsequent tasks such as the camera trajectory…

Computer Vision and Pattern Recognition · Computer Science 2015-04-15 Hao Wu , Yi Wan

This paper tackles the 3D object detection problem, which is of vital importance for applications such as autonomous driving. Our framework uses a Machine Learning (ML) pipeline on a combination of monocular camera and LiDAR data to detect…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Gustavo A. Salazar-Gomez , Miguel A. Saavedra-Ruiz , Victor A. Romero-Cano

The present study is an attempt made to create a new tool for the analysis of Land Use Land Cover (LUCL) images in 3D visualization. This study mainly uses spatial data mining techniques on high resolution LULC satellite imagery.…

Computer Vision and Pattern Recognition · Computer Science 2022-02-02 B. G. Kodge

This paper demonstrates a practical method that can correct spatial varying blur from a set of images of the same object. The algorithm jointly estimates the object and local point spread functions~(PSF). The method prioritizes sections…

Image and Video Processing · Electrical Eng. & Systems 2020-11-04 Wouter van de Ketterij , Oleg Soloviev , Michel Verhaegen

In this paper, we investigate how moving objects can be detected when images are impacted by atmospheric turbulence. We present a geometric spatio-temporal point of view to the problem and show that it is possible to distinguish movement…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Jerome Gilles , Francis Alvarez , Nicholas B. Ferrante , Margaret Fortman , Lena Tahir , Alex Tarter , Anneke von Seeger

Controllable video generation has attracted significant attention, largely due to advances in video diffusion models. In domains such as autonomous driving, it is essential to develop highly accurate predictions for object motions. This…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Ge Ya Luo , Zhi Hao Luo , Anthony Gosselin , Alexia Jolicoeur-Martineau , Christopher Pal

Object detection has recently experienced substantial progress. Yet, the widely adopted horizontal bounding box representation is not appropriate for ubiquitous oriented objects such as objects in aerial images and scene texts. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Yongchao Xu , Mingtao Fu , Qimeng Wang , Yukang Wang , Kai Chen , Gui-Song Xia , Xiang Bai

Given a textual phrase and an image, the visual grounding problem is the task of locating the content of the image referenced by the sentence. It is a challenging task that has several real-world applications in human-computer interaction,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-03 Davide Rigoni , Luciano Serafini , Alessandro Sperduti

Convexity prior is one of the main cue for human vision and shape completion with important applications in image processing, computer vision. This paper focuses on characterization methods for convex objects and applications in image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Shousheng Luo , Jinfeng Chen , Yunhai Xiao , Xue-Cheng Tai

We present Multi-Baseline Radiance Fields (MuRF), a general feed-forward approach to solving sparse view synthesis under multiple different baseline settings (small and large baselines, and different number of input views). To render a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Haofei Xu , Anpei Chen , Yuedong Chen , Christos Sakaridis , Yulun Zhang , Marc Pollefeys , Andreas Geiger , Fisher Yu

3D object detection is one of the most important tasks for the perception systems of autonomous vehicles. With the significant success in the field of 2D object detection, several monocular image based 3D object detection algorithms have…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Zhou Lingtao , Fang Jiaojiao , Liu Guizhong

Geospatial object detection of remote sensing imagery has been attracting an increasing interest in recent years, due to the rapid development in spaceborne imaging. Most of previously proposed object detectors are very sensitive to object…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Xin Wu , Danfeng Hong , Jocelyn Chanussot , Yang Xu , Ran Tao , Yue Wang

This paper proposes a segmentation-free, automatic and efficient procedure to detect general geometric quadric forms in point clouds, where clutter and occlusions are inevitable. Our everyday world is dominated by man-made objects which are…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Tolga Birdal , Benjamin Busam , Nassir Navab , Slobodan Ilic , Peter Sturm

A novel object detection method is presented that handles freely rotated objects of arbitrary sizes, including tiny objects as small as $2\times 2$ pixels. Such tiny objects appear frequently in remotely sensed images, and present a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Mohsen Zand , Ali Etemad , Michael Greenspan

Object localization is an important task in computer vision but requires a large amount of computational power due mainly to an exhaustive multiscale search on the input image. In this paper, we describe a near real-time multiscale search…

Computer Vision and Pattern Recognition · Computer Science 2016-04-14 Hyungtae Lee , Heesung Kwon , Archith J. Bency , William D. Nothwang