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Holographic Predictive Search (HPS) is a novel approach to search-based hologram generation that uses a mathematical understanding of the optical transforms to make informed optimisation decisions. Existing search techniques such as Direct…

Image and Video Processing · Electrical Eng. & Systems 2020-08-26 Peter J. Christopher , Ralf Mouthaan , George S. D. Gordon , Timothy D. Wilkinson

Remote sensing is a higher technology to produce knowledge for data mining applications. In principle hyperspectral images (HSIs) is a remote sensing tool that provides precise classification of regions. The HSI contains more than a hundred…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Elkebir Sarhrouni , Ahmed Hammouch , Driss Aboutajdine

We describe the use of Multi Order Coverage (MOC) maps as a practical way to manage complex regions of the sky for the planning of multi-messenger observations. MOC maps are a data structure that provides a multi-resolution representation…

3D point cloud mapping plays a essential role in localization and autonomous navigation. However, dynamic objects often leave residual traces during the map construction process, which undermine the performance of subsequent tasks.…

Robotics · Computer Science 2025-03-11 Shufang Zhang , Tao Jiang , Jiazheng Wu , Ziyu Meng , Ziyang Zhang , Shan An

To fulfill the requirements of space object cataloging and enable automated intelligent responses to anomalous events, we designed a novel observation scheduling system named Sky Survey Schedule (SSS). This framework facilitates coordinated…

Instrumentation and Methods for Astrophysics · Physics 2025-09-04 Kai-Tian Yuan , Hou-Yuan Lin

Hyperatlas is an open standard intended to facilitate the large-scale federation of image-based data. The subject of hyperatlas is the space of sphere-to-plane projection mappings (the FITS-WCS information), and the standard consists of…

Astrophysics · Physics 2007-05-23 R. D. Williams , S. G. Djorgovski , M. T. Feldmann , J. C. Jacob

The natural spherical projection associated with the Hierarchical Equal Area and isoLatitude Pixelisation, HEALPix, is described and shown to be one of an infinite class not previously documented in the cartographic literature. Projection…

Astrophysics · Physics 2007-05-23 M. R. Calabretta

We present a science-driven discovery portal for all the ESA Astronomy Missions called ESA Sky that allow users to explore the multi-wavelength sky and to seamlessly retrieve science-ready data in all ESA Astronomy mission archives from a…

FITS (Flexible Image Transport System) is a common format for astronomical data storage. It was first standardised in the early 1980s. Even though astronomical data is now processed mostly using software, visual data inspection by a human…

Instrumentation and Methods for Astrophysics · Physics 2019-02-19 Matwey Kornilov , Konstantin Malanchev

This document describes the Multi-Order Coverage map method (MOC) to specify arbitrary sky regions. The goal is to be able to provide a very fast comparison mechanism between coverage maps. The mechanism is based on the HEALPix sky…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Pierre Fernique , Thomas Boch , Tom Donaldson , Daniel Durand , Wil O'Mullane , Martin Reinecke , Mark Taylor

Superpixel segmentation is becoming ubiquitous in computer vision. In practice, an object can either be represented by a number of segments in finer levels of detail or included in a surrounding region at coarser levels of detail, and thus…

Computer Vision and Pattern Recognition · Computer Science 2016-05-23 Xing Wei , Qingxiong Yang , Yihong Gong , Ming-Hsuan Yang , Narendra Ahuja

In this, the first in a series of three papers concerning the SuperCOSMOS Sky Survey (SSS), we give an introduction and user guide to the survey programme. We briefly describe other wide-field surveys and compare with our own. We give…

This specification defines a protocol for retrieving image data from a variety of astronomical image repositories through a uniform interface. The interface is meant to be reasonably simple to implement by service providers. A query…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Doug Tody , Ray Plante , Paul Harrison

In this paper we describe the main features of the software package named FITSH, intended to provide a standalone environment for analysis of data acquired by imaging astronomical detectors. The package provides utilities both for the full…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 András Pál

Informative path planning (IPP) is used to design paths for robotic sensor platforms to extract the best/maximum possible information about a quantity of interest while operating under a set of constraints, such as the dynamic feasibility…

Robotics · Computer Science 2016-10-06 Doo-Hyun Cho , Jung-Su Ha , Sujin Lee , Sunghyun Moon , Han-Lim Choi

High-Altitude Platform Stations (HAPS) are emerging as key enablers of future non-terrestrial networks (NTNs), supporting gigabit-class free-space optical (FSO) backhaul links while hosting laser-based sensing payloads. This tutorial and…

Optics · Physics 2025-11-11 Ali Elkhazraji , Mohamed-Slim Alouini , Aamir Farooq

Image segmentation is the process of partitioning an image into a set of meaningful regions according to some criteria. Hierarchical segmentation has emerged as a major trend in this regard as it favors the emergence of important regions at…

Computer Vision and Pattern Recognition · Computer Science 2017-03-10 Amin Fehri , Santiago Velasco-Forero , Fernand Meyer

We present an autonomous exploration system for efficient coverage of unknown environments. First, a rapid environment preprocessing method is introduced to provide environmental information for subsequent exploration planning. Then, the…

Robotics · Computer Science 2025-04-04 Shijun Long , Ying Li , Chenming Wu , Bin Xu , Wei Fan

Superpixels offer a compact image representation by grouping pixels into coherent regions. Recent methods have reached a plateau in terms of segmentation accuracy by generating noisy superpixel shapes. Moreover, most existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Julien Walther , Rémi Giraud , Michaël Clément

A large volume of remote sensing (RS) data has been generated with the deployment of satellite technologies. The data facilitates research in ecological monitoring, land management and desertification, etc. The characteristics of RS data…

Databases · Computer Science 2022-08-08 Jiashu Wu , Jingpan Xiong , Hao Dai , Yang Wang , Chengzhong Xu