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Related papers: Generating background-corrected VPHAS+ HiPS with M…

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We describe a case study to use the Montage image mosaic engine to create maps of the ALLWISE image data set in the Hierarchical Progressive Survey (HiPS) sky-tesselation scheme. Our approach demonstrates that Montage reveals the science…

Instrumentation and Methods for Astrophysics · Physics 2020-01-30 G. Bruce Berriman , John C. Good , Vandana Desai , Steven L. Groom

We report here on a project that has developed a practical approach to processing all-sky image collections on cloud platforms, using as an exemplar application the creation of three-color Hierarchical Progressive Survey (HiPS) maps of the…

Instrumentation and Methods for Astrophysics · Physics 2024-02-08 G. Bruce Berriman , John C. Good

This document presents HiPS, a hierarchical scheme for the description, storage and access of sky survey data. The system is based on hierarchical tiling of sky regions at finer and finer spatial resolution which facilitates a progressive…

Instrumentation and Methods for Astrophysics · Physics 2019-05-22 Pierre Fernique , Mark Allen , Thomas Boch , Tom Donaldson , Daniel Durand , Ken Ebisawa , Laurent Michel , Jesus Salgado , Felix Stoehr

Context. In the current era of multi-wavelength and multi-messenger astronomy, international organisations are actively working on the definition of new standards for the publication of astronomical data, and substantial effort is devoted…

Instrumentation and Methods for Astrophysics · Physics 2025-10-13 Fabrizio Giordano , Yago Ascasibar , Luca Cortese , Ivan Valtchanov , Bruno Merín

Scientific exploitation of the ever increasing volumes of astronomical data requires efficient and practical methods for data access, visualisation, and analysis. Hierarchical sky tessellation techniques enable a multi-resolution approach…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 P. Fernique , M. G. Allen , T. Boch , A. Oberto , F-X. Pineau , D. Durand , C. Bot , L. Cambresy , S. Derriere , F. Genova , F. Bonnarel

The increasing volumes of astronomical data require practical methods for data exploration, access and visualisation. The Hierarchical Progressive Survey (HiPS) is a HEALPix based scheme that enables a multi-resolution approach to astronomy…

Instrumentation and Methods for Astrophysics · Physics 2016-11-07 M. G. Allen , P. Fernique , T. Boch , D. Durand , A. Oberto , B. Merin , F. Stoehr , F. Genova , F-X. Pineau , J. Salgado

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

The optical Galactic Plane H$\alpha$ surveys IPHAS and VPHAS+ are dramatically improving our understanding of Galactic stellar populations and stellar evolution by providing large samples of stars in short lived, but important, evolutionary…

Solar and Stellar Astrophysics · Physics 2016-06-29 Nicholas J. Wright

We propose a method for creating a matte -- the per-pixel foreground color and alpha -- of a person by taking photos or videos in an everyday setting with a handheld camera. Most existing matting methods require a green screen background or…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Soumyadip Sengupta , Vivek Jayaram , Brian Curless , Steve Seitz , Ira Kemelmacher-Shlizerman

H I stacking has proven to be a highly effective tool to statistically analyse average H I properties for samples of galaxies which may or may not be directly detected. With the plethora of H I data expected from the various upcoming H I…

Astrophysics of Galaxies · Physics 2019-08-02 J. Healy , S-L. Blyth , E. Elson , W. van Driel , Z. Butcher , S. Schneider , M. D. Lehnert , R. Minchin

Image harmonization aims to improve the quality of image compositing by matching the "appearance" (\eg, color tone, brightness and contrast) between foreground and background images. However, collecting large-scale annotated datasets for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Yifan Jiang , He Zhang , Jianming Zhang , Yilin Wang , Zhe Lin , Kalyan Sunkavalli , Simon Chen , Sohrab Amirghodsi , Sarah Kong , Zhangyang Wang

Hyperspectral imaging can help better understand the characteristics of different materials, compared with traditional image systems. However, only high-resolution multispectral (HrMS) and low-resolution hyperspectral (LrHS) images can…

Computer Vision and Pattern Recognition · Computer Science 2019-01-11 Qi Xie , Minghao Zhou , Qian Zhao , Deyu Meng , Wangmeng Zuo , Zongben Xu

Most matting researches resort to advanced semantics to achieve high-quality alpha mattes, and direct low-level features combination is usually explored to complement alpha details. However, we argue that appearance-agnostic integration can…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Yu Qiao , Yuhao Liu , Ziqi Wei , Yuxin Wang , Qiang Cai , Guofeng Zhang , Xin Yang

We develop a new interpolation scheme, based on harmonic inpainting, for reconstructing the cosmic microwave background temperature data within the Galaxy mask from the data outside the mask. We find that, for scale-invariant isotropic…

Astrophysics · Physics 2008-11-26 Kaiki Taro Inoue , Paolo Cabella , Eiichiro Komatsu

PatchMatch based Multi-view Stereo (MVS) algorithms have achieved great success in large-scale scene reconstruction tasks. However, reconstruction of texture-less planes often fails as similarity measurement methods may become ineffective…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Shang Sun , Yunan Zheng , Xuelei Shi , Zhenyu Xu , Yiguang Liu

Supervised and unsupervised homography estimation methods depend on image pairs tailored to specific modalities to achieve high accuracy. However, their performance deteriorates substantially when applied to unseen modalities. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Jinkun You , Jiaxin Cheng , Jie Zhang , Yicong Zhou

The Montage Image Mosaic Engine was designed as a scalable toolkit, written in C for performance and portability across *nix platforms, that assembles FITS images into mosaics. The code is freely available and has been widely used in the…

Instrumentation and Methods for Astrophysics · Physics 2017-04-26 G. Bruce Berriman , J. C. Good

Obtaining reliable, matched photometry for galaxies imaged by different observatories represents a key challenge in the era of wide-field surveys spanning more than several hundred square degrees. Methods such as flux fitting, profile…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Kevin Bundy , David W. Hogg , Tim D. Higgs , Robert C. Nichol , Naoki Yasuda , Karen L. Masters , Dustin Lang , David A. Wake

Rapid sampling from the environment to acquire available frontier points and timely incorporating them into subsequent planning to reduce fragmented regions are critical to improve the efficiency of autonomous exploration. We propose HPHS,…

Robotics · Computer Science 2024-07-22 Shijun Long , Ying Li , Chenming Wu , Bin Xu , Wei Fan

Weak lensing mass-mapping is a useful tool to access the full distribution of dark matter on the sky, but because of intrinsic galaxy ellipticies and finite fields/missing data, the recovery of dark matter maps constitutes a challenging…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-05 Benjamin Remy , Francois Lanusse , Niall Jeffrey , Jia Liu , Jean-Luc Starck , Ken Osato , Tim Schrabback
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