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Recent approaches to point tracking are able to recover the trajectory of any scene point through a large portion of a video despite the presence of occlusions. They are, however, too slow in practice to track every point observed in a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Guillaume Le Moing , Jean Ponce , Cordelia Schmid

We present a challenging and realistic novel dataset for evaluating 6-DOF object tracking algorithms. Existing datasets show serious limitations---notably, unrealistic synthetic data, or real data with large fiducial markers---preventing…

Computer Vision and Pattern Recognition · Computer Science 2018-09-10 Mathieu Garon , Denis Laurendeau , Jean-François Lalonde

The Transiting Exoplanet Survey Satellite (TESS, launched early 2018) is expected to find a multitude of new transiting planet candidates around the nearest and brightest stars. Timely high-precision follow-up observations from the ground…

Instrumentation and Methods for Astrophysics · Physics 2018-08-08 Gudmundur Stefansson , Suvrath Mahadevan , John Wisniewski , Yiting Li , Marissa Maney , Leslie Hebb , Brett Morris , Samuel Halverson , Andrew Monson , Paul Robertson

Data association-based multiple object tracking (MOT) involves multiple separated modules processed or optimized differently, which results in complex method design and requires non-trivial tuning of parameters. In this paper, we present an…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Peng Chu , Haibin Ling

The early and complete temporal characterization of optical, fast, transient sources requires continuous and multiband observations over different timescales (hours to months). For time-domain astronomy, using several telescopes to analyze…

Instrumentation and Methods for Astrophysics · Physics 2022-11-29 P. A. Duverne , S. Antier , S. Basa , D. Corre , M. W. Coughlin , A. V. Filippenko , A. Klotz , P. Hello , W. Zheng

The knowledge of the exact structure of the optical system PSF enables a high-quality image reconstruction in fluorescence microscopy. Accurate PSF models account for the vector nature of light and the phase and amplitude modifications.…

We present SPLOT, a small scale pilot survey to test the potential of snapshot (single epoch) linear imaging polarimetry as a supplementary tool to traditional transient follow-up. Transients exist in a vast volume of observational…

High Energy Astrophysical Phenomena · Physics 2018-12-05 A. B. Higgins , K. Wiersema , S. Covino , R. L. C. Starling , H. F. Stevance , Ł. Wyrzykowski , S. T. Hodgkin , J. R. Maund , P. T. O'Brien , N. R. Tanvir

I briefly review the current state of the modelling of photospheric activity based on the high-precision optical light curves obtained with MOST, CoRoT, and Kepler. These models can be used to search for active longitudes where activity is…

Solar and Stellar Astrophysics · Physics 2015-06-04 A. F. Lanza

Photometric redshifts are a key tool to extract as much information as possible from planned cosmic shear experiments. In this work we aim to test the performances that can be achieved with observations in the near-infrared from space and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Fabio Bellagamba , Massimo Meneghetti , Lauro Moscardini , Micol Bolzonella

Most of the existing tracking methods link the detected boxes to the tracklets using a linear combination of feature cosine distances and box overlap. But the problem of inconsistent features of an object in two different frames still…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Chaobing Shan , Chunbo Wei , Bing Deng , Jianqiang Huang , Xian-Sheng Hua , Xiaoliang Cheng , Kewei Liang

Multi-object tracking (MOT) is a fundamental task in computer vision with critical applications in autonomous driving and robotics. Multimodal MOT that integrates visible light and thermal infrared information is particularly essential for…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Weiran Li , Yeqiang Liu , Yijie Wei , Mina Han , Qiannan Guo , Zhenbo Li

Time-of-flight (ToF) devices have greatly propelled the advancement of various multi-modal perception applications. However, achieving accurate rendering of time-resolved information remains a challenge, particularly in scenes involving…

Graphics · Computer Science 2024-06-17 Qianyue He , Dongyu Du , Haitian Jiang , Xin Jin

The search for minor bodies in the solar system promises insights into its formation history. Wide imaging surveys offer the opportunity to serendipitously discover and identify these traces of planetary formation and evolution. We aim to…

Instrumentation and Methods for Astrophysics · Physics 2018-02-21 M. Mahlke , H. Bouy , B. Altieri , G. Verdoes Kleijn , B. Carry , E. Bertin , J. T. A. de Jong , K. Kuijken , J. McFarland , E. Valentijn

Few-shot object detection has attracted increasing attention and rapidly progressed in recent years. However, the requirement of an exhaustive offline fine-tuning stage in existing methods is time-consuming and significantly hinders their…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Bowen Li , Chen Wang , Pranay Reddy , Seungchan Kim , Sebastian Scherer

The techniques and software tools developed for the reduction and analysis of ISO-CAM/PHOT data with the LARI method are presented. The method, designed for the detection of faint sources in ISO raster observations, is based on the…

This paper proposes CAMOT, a simple camera angle estimator for multi-object tracking to tackle two problems: 1) occlusion and 2) inaccurate distance estimation in the depth direction. Under the assumption that multiple objects are located…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Felix Limanta , Kuniaki Uto , Koichi Shinoda

In astronomy, upcoming space telescopes with wide-field optical instruments have a spatially varying point spread function (PSF). Specific scientific goals require a high-fidelity estimation of the PSF at target positions where no direct…

Instrumentation and Methods for Astrophysics · Physics 2023-02-22 Tobias Liaudat , Jean-Luc Starck , Martin Kilbinger , Pierre-Antoine Frugier

Object detection in high-resolution aerial images is a challenging task because of 1) the large variation in object size, and 2) non-uniform distribution of objects. A common solution is to divide the large aerial image into small (uniform)…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Changlin Li , Taojiannan Yang , Sijie Zhu , Chen Chen , Shanyue Guan

The perception of autonomous vehicles has to be efficient, robust, and cost-effective. However, cameras are not robust against severe weather conditions, lidar sensors are expensive, and the performance of radar-based perception is still…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Felix Fent , Andras Palffy , Holger Caesar

Sky survey telescopes and powerful targeted telescopes play complementary roles in astronomy. In order to investigate the nature and characteristics of the motions of very faint objects, a flexibly-pointed instrument capable of high…

Instrumentation and Methods for Astrophysics · Physics 2021-11-18 Fabien Malbet , Céline Boehm , Alberto Krone-Martins , Antonio Amorim , Guillem Anglada-Escudé , Alexis Brandeker , Frédéric Courbin , Torsten Enßlin , Antonio Falcão , Katherine Freese , Berry Holl , Lucas Labadie , Alain Léger , Gary Mamon , Barbara Mcarthur , Alcione Mora , Mike Shao , Alessandro Sozzetti , Douglas Spolyar , Eva Villaver , Ummi Abbas , Conrado Albertus , João Alves , Rory Barnes , Aldo Stefano Bonomo , Hervé Bouy , Warren Brown , Vitor Cardoso , Marco Castellani , Laurent Chemin , Hamish Clark , Alexandre Correia , Mariateresa Crosta , Antoine Crouzier , Mario Damasso , Jeremy Darling , Melvyn Davies , Antonaldo Diaferio , Morgane Fortin , Malcolm Fridlund , Mario Gai , Paulo Garcia , Oleg Gnedin , Ariel Goobar , Paulo Gordo , Renaud Goullioud , David Hall , Nigel Hambly , Diana Harrison , David Hobbs , Andrew Holland , Erik Høg , Carme Jordi , Sergei Klioner , Ariane Lançon , Jacques Laskar , Mario Lattanzi , Christophe Le Poncin-Lafitte , Xavier Luri , Daniel Michalik , André Moitinho de Almeida , Ana Mourão , Leonidas Moustakas , Neil Murray , Matthew Muterspaugh , Micaela Oertel , Luisa Ostorero , Jordi Portell , Jean-Pierre Prost , Andreas Quirrenbach , Jean Schneider , Pat Scott , Arnaud Siebert , Antonio Da Silva , Manuel Silva , Philippe Thébault , John Tomsick , Wesley Traub , Miguel de Val-Borro , Monica Valluri , Nicholas Walton , Laura Watkins , Glenn White , Lukasz Wyrzykowski , Rosemary Wyse , Yoshiyuki Yamada