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The fusion of sensor data from heterogeneous sensors is crucial for robust perception in various robotics applications that involve moving platforms, for instance, autonomous vehicle navigation. In particular, combining camera and lidar…

Robotics · Computer Science 2020-03-10 Mao Shan , Julie Stephany Berrio , Stewart Worrall , Eduardo Nebot

Evidential grids have recently shown interesting properties for mobile object perception. Evidential grids are a generalisation of Bayesian occupancy grids using Dempster- Shafer theory. In particular, these grids can handle efficiently…

Robotics · Computer Science 2014-01-23 Marek Kurdej , Julien Moras , Véronique Cherfaoui , Philippe Bonnifait

Simple as it seems, moving an object to another location within an image is, in fact, a challenging image-editing task that requires re-harmonizing the lighting, adjusting the pose based on perspective, accurately filling occluded regions,…

Graphics · Computer Science 2025-03-12 Xin Yu , Tianyu Wang , Soo Ye Kim , Paul Guerrero , Xi Chen , Qing Liu , Zhe Lin , Xiaojuan Qi

Motion segmentation is currently an active area of research in computer Vision. The task of comparing different methods of motion segmentation is complicated by the fact that researchers may use subtly different definitions of the problem.…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Pia Bideau , Erik Learned-Miller

In this paper, we introduce a moving object detection algorithm for fisheye cameras used in autonomous driving. We reformulate the three commonly used constraints in rectilinear images (epipolar, positive depth and positive height…

Computer Vision and Pattern Recognition · Computer Science 2020-03-09 Letizia Mariotti , Ciaran Hughes

In low-level sensory systems, it is still unclear how the noisy information collected locally by neurons may give rise to a coherent global percept. This is well demonstrated for the detection of motion in the aperture problem: as luminance…

Neurons and Cognition · Quantitative Biology 2012-09-03 Laurent U. Perrinet , Guillaume S. Masson

This paper looks into the problem of pedestrian tracking using a monocular, potentially moving, uncalibrated camera. The pedestrians are located in each frame using a standard human detector, which are then tracked in subsequent frames.…

Computer Vision and Pattern Recognition · Computer Science 2015-01-27 Sourav Garg , Swagat Kumar , Rajesh Ratnakaram , Prithwijit Guha

The method of common lines is a well-established reconstruction technique in cryogenic electron microscopy (cryo-EM), which can be used to extract the relative orientations of an object given tomographic projection images from different…

Numerical Analysis · Mathematics 2024-07-03 Michael Quellmalz , Peter Elbau , Otmar Scherzer , Gabriele Steidl

This paper presents a method to estimate the 3D object position and occupancy given a set of object detections in multiple images and calibrated cameras. This problem is modelled as the estimation of a set of quadrics given 2D conics fit to…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Paul Gay , Alessio Del Bue

Motion capturing and there by segmentation of the motion of any moving object from a sequence of continuous images or a video is not an exceptional task in computer vision area. Smart-phone camera application is an added integration for the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-11 Somnath Mukherjee , Soumyajit Ganguly

Mobile robots that navigate in unknown environments need to be constantly aware of the dynamic objects in their surroundings for mapping, localization, and planning. It is key to reason about moving objects in the current observation and at…

Analyzing the geographic movement of humans, animals, and other phenomena is a growing field of research. This research has benefited urban planning, logistics, animal migration understanding, and much more. Typically, the movement is…

Computation and Language · Computer Science 2022-02-01 Scott Pezanowski , Prasenjit Mitra

Both a good understanding of geometrical concepts and a broad familiarity with objects lead to our excellent perception of moving objects. The human ability to detect and segment moving objects works in the presence of multiple objects,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Pia Bideau , Erik Learned-Miller , Cordelia Schmid , Karteek Alahari

The method of moving frames (rep\`ere mobile) was used by Elie Cartan as a way of organizing the identification of differential invariants and solving equivalence problems. In this expository paper, we discuss how moving frames are used to…

Differential Geometry · Mathematics 2023-08-01 Thomas A. Ivey

Object detection and classification using video is necessary for intelligent planning and navigation on a mobile robot. However, current methods can be too slow or not sufficient for distinguishing multiple classes. Techniques that rely on…

Computer Vision and Pattern Recognition · Computer Science 2011-11-08 Colin S. Lea , Jason J. Corso

In this article, we will formulate a mathematical framework that allows us to treat character animations as points on infinite dimensional Hilbert manifolds. Constructing geodesic paths between animations on those manifolds allows us to…

Differential Geometry · Mathematics 2014-05-19 Markus Eslitzbichler

We propose to learn a probabilistic motion model from a sequence of images for spatio-temporal registration. Our model encodes motion in a low-dimensional probabilistic space - the motion matrix - which enables various motion analysis tasks…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Julian Krebs , Hervé Delingette , Nicholas Ayache , Tommaso Mansi

Self-supervised video correspondence learning depends on the ability to accurately associate pixels between video frames that correspond to the same visual object. However, achieving reliable pixel matching without supervision remains a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Zihan Zhou , Changrui Dai , Aibo Song , Xiaolin Fang

Motion blur is a known issue in photography, as it limits the exposure time while capturing moving objects. Extensive research has been carried to compensate for it. In this work, a computational imaging approach for motion deblurring is…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Shay Elmalem , Raja Giryes , Emanuel Marom

Detecting moving vehicles and people is crucial for safe operation of UGVs but is challenging in cluttered, real world environments. We propose a registration technique that enables objects to be robustly matched and tracked, and hence…

Robotics · Computer Science 2017-09-26 Daniel D. Morris , Brian Colonna , Paul Haley