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

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In this paper, we present a novel tone mapping algorithm that can be used for displaying wide dynamic range (WDR) images on low dynamic range (LDR) devices. The proposed algorithm is mainly motivated by the logarithmic response and local…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Jie Yang , Ziyi Liu , Ulian Shahnovich , Orly Yadid-Pecht

The Multipurpose InfraRed Imaging System (MIRIS) performed the MIRIS Pa{\alpha} Galactic Plane Survey (MIPAPS), which covers the entire Galactic plane within the latitude range of -3{\deg} < b < +3{\deg} at Pa{\alpha} (1.87 um). We present…

Image harmonization targets at adjusting the foreground in a composite image to make it compatible with the background, producing a more realistic and harmonious image. Training deep image harmonization network requires abundant training…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Haoxu Huang , Li Niu

In this paper, we introduce a novel data augmentation methodology based on Conditional Progressive Generative Adversarial Networks (CPGAN) to generate diverse black hole (BH) images, accounting for variations in spin and electron…

Hyperspectral images are typically composed of hundreds of narrow and contiguous spectral bands, each containing information regarding the material composition of the imaged scene. However, these images can be affected by various sources of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Shuo Li , Mehrdad Yaghoobi

The VST Photometric Halpha Survey of the Southern Galactic Plane and Bulge (VPHAS+) is surveying the southern Milky Way in u, g, r, i and Halpha at 1 arcsec angular resolution. Its footprint spans the Galactic latitude range -5 < b < +5 at…

In the coming decade, a new generation of massively multiplexed spectroscopic surveys, such as PFS, WAVES, and MOONS, will probe galaxies in the distant universe in vastly greater numbers than was previously possible. In this work, we…

Data augmentation is crucial for improving the robustness of face detection systems, especially under challenging conditions such as occlusion, illumination variation, and complex environments. Traditional copy paste augmentation often…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Qiushi Guo

Human pose and shape estimation (HPS) has attracted increasing attention in recent years. While most existing studies focus on HPS from 2D images or videos with inherent depth ambiguity, there are surging need to investigate HPS from 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Zhongang Cai , Liang Pan , Chen Wei , Wanqi Yin , Fangzhou Hong , Mingyuan Zhang , Chen Change Loy , Lei Yang , Ziwei Liu

Many head pose estimation (HPE) methods promise the ability to create full-range datasets, theoretically allowing the estimation of the rotation and positioning of the head from various angles. However, these methods are only accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Huei-Chung Hu , Xuyang Wu , Haowei Liu , Ting-Ruen Wei , Hsin-Tai Wu

High-resolution mapping of cosmic mass distribution is essential for a variety of astrophysical applications including understanding cosmic structure formation, and galaxy formation and evolution. However dark matter is not directly…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-19 Supranta S. Boruah , Michael Jacob , Bhuvnesh Jain , Riya Maiya , Raghav Venkataramanan

Evaluating text-to-image generation models requires alignment with human perception, yet existing human-centric metrics are constrained by limited data coverage, suboptimal feature extraction, and inefficient loss functions. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Yuhang Ma , Yunhao Shui , Xiaoshi Wu , Keqiang Sun , Hongsheng Li

In this paper, we present a novel approach to the estimation of strongly varying backgrounds in astronomical images by means of small objects removal and subsequent missing pixels interpolation. The method is based on the analysis of a…

Instrumentation and Methods for Astrophysics · Physics 2016-08-10 Adam Popowicz , Bogdan Smolka

HIRES processing provides a significant improvement in both resolution and image quality over previous IRAS image products, but the characteristics of the HIRES beam make accurate comparisons between the various IRAS bandpasses and between…

Astrophysics · Physics 2015-06-24 C. R. Kerton , P. G. Martin

The James Webb Space Telescope (JWST) ushers in a new era of astronomical observation and discovery, offering unprecedented precision in a variety of measurements such as photometry, astrometry, morphology, and shear measurement. Accurate…

Instrumentation and Methods for Astrophysics · Physics 2023-09-01 Lin Nie , Huanyuan Shan , Guoliang Li , Lei Wang , Charling Tao , Qifan Cui , Yushan Xie , Dezi Liu , Zekang Zhang

Hyperspectral pansharpening is a process of merging a high-resolution panchromatic (PAN) image and a low-resolution hyperspectral (LRHS) image to create a single high-resolution hyperspectral (HRHS) image. Existing Bayesian-based HS…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Xiangyu Rui , Xiangyong Cao , Li Pang , Zeyu Zhu , Zongsheng Yue , Deyu Meng

In the era of large time-domain spectro-photometric surveys, surface variations such as starspots, chemical inhomogeneities, pulsations, rotational distortions, and binary interactions can now be directly detected and modelled. Accurately…

Solar and Stellar Astrophysics · Physics 2025-11-17 M. Jabłońska , T. Różański , L. Casagrande , H. Shah , P. A. Kołaczek-Szymański , M. Rychlicki , Yuan-Sen Ting

Hyperspectral pansharpening aims to synthesize a low-resolution hyperspectral image (LR-HSI) with a registered panchromatic image (PAN) to generate an enhanced HSI with high spectral and spatial resolution. Recently proposed HS…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Wele Gedara Chaminda Bandara , Jeya Maria Jose Valanarasu , Vishal M. Patel

High dynamic range (HDR) imaging is an important task in image processing that aims to generate well-exposed images in scenes with varying illumination. Although existing multi-exposure fusion methods have achieved impressive results,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Jun Xiao , Qian Ye , Tianshan Liu , Cong Zhang , Kin-Man Lam

Our understanding of the dynamics of the interstellar medium is informed by the study of the detailed velocity structure of emission line observations. One approach to study the velocity structure is to decompose the spectra into individual…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Manuel Riener , Jouni Kainulainen , Jonathan D. Henshaw , Jan H. Orkisz , Claire E. Murray , Henrik Beuther