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Thanks to High Dynamic Range (HDR) imaging methods, the scope of photography has seen profound changes recently. To be more specific, such methods try to reconstruct the lost luminosity of the real world caused by the limitation of regular…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Ali Reza Omrani , Davide Moroni

Images acquired by computer vision systems under low light conditions have multiple characteristics like high noise, lousy illumination, reflectance, and bad contrast, which make object detection tasks difficult. Much work has been done to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Winston Chen , Tejas Shah

We propose a new approach to determine correspondences between image pairs in the wild under large changes in illumination, viewpoint, context, and material. While other approaches find correspondences between pairs of images by treating…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Olivia Wiles , Sebastien Ehrhardt , Andrew Zisserman

Single-image HDR reconstruction aims to recover high dynamic range radiance from a single low dynamic range (LDR) input, but remains highly ill-posed due to detail saturation in over-exposed regions and noise amplification in under-exposed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Aoyu Liu , Zhen Liu , Ziyi Wang , Dian Chen , Bing Zeng , Shuaicheng Liu

Display technology must offer high dynamic range (HDR) contrast-based depth induction and 3D personalization simultaneously. Efficient algorithms to compress HDR stereo data is critical. Direct capturing of HDR content is complicated due to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Mansi Sharma , Jyotsana Grover

Background The accuracy of photomechanics measurements critically relies on image quality,particularly under extreme illumination conditions such as welding arc monitoring and polished metallic surface analysis. High dynamic range (HDR)…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Banglei Guan , Jing Tao , Liang Xu , Dongcai Tan , Pengju Sun , Jianbing Liu , Yang Shang , Qifeng Yu

High Dynamic Range (HDR) videos can represent a much greater range of brightness and color than Standard Dynamic Range (SDR) videos and are rapidly becoming an industry standard. HDR videos have more challenging capture, transmission, and…

Image and Video Processing · Electrical Eng. & Systems 2022-09-22 Zaixi Shang , Joshua P. Ebenezer , Alan C. Bovik , Yongjun Wu , Hai Wei , Sriram Sethuraman

Context. Accurate photometric redshift estimation is crucial for cosmological and galaxy evolution studies, especially with the advent of large-scale photometric surveys. Aims. We developed a photo-z estimation code called TOPz (Tartu…

Cosmology and Nongalactic Astrophysics · Physics 2025-11-26 E. Tempel , J. Laur , Z. R. Jones , R. Kipper , L. J. Liivamägi , D. Pandey , G. Sakteos , A. Tamm , A. N. Triantafyllaki , T. Tuvikene

In the field of integrated sensing and communication, there's a growing need for advanced environmental perception. The terahertz (THz) frequency band, significant for ultra-high-speed data connections, shows promise in environmental…

Applied Physics · Physics 2023-12-13 Jiacheng Liu , Da Li , Guohao Liu , Yige Qiao , Menghan Wei , Chengyu Zhang , Fei Song , Jianjun Ma

Consumer-grade camera systems often struggle to maintain stable image quality under complex illumination conditions such as low light, high dynamic range, and backlighting, as well as spatial color temperature variation. These issues lead…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Fuchen Li , Yansong Du , Wenbo Cheng , Xiaoxia Zhou , Sen Yin

For many computer vision applications such as image captioning, visual question answering, and person search, learning discriminative feature representations at both image and text level is an essential yet challenging problem. Its…

Computer Vision and Pattern Recognition · Computer Science 2019-08-29 Nikolaos Sarafianos , Xiang Xu , Ioannis A. Kakadiaris

High dynamic range (HDR) imaging is a highly challenging task since a large amount of information is lost due to the limitations of camera sensors. For HDR imaging, some methods capture multiple low dynamic range (LDR) images with altering…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Haesoo Chung , Nam Ik Cho

Recognition of occluded objects in unseen and unstructured indoor environments is a challenging problem for mobile robots. To address this challenge, we propose a new descriptor, TOPS, for point clouds generated from depth images and an…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Ekta U. Samani , Ashis G. Banerjee

Image-text matching (ITM) is a fundamental problem in computer vision. The key issue lies in jointly learning the visual and textual representation to estimate their similarity accurately. Most existing methods focus on feature enhancement…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Xuri Ge , Fuhai Chen , Songpei Xu , Fuxiang Tao , Jie Wang , Joemon M. Jose

LiDAR data pretraining offers a promising approach to leveraging large-scale, readily available datasets for enhanced data utilization. However, existing methods predominantly focus on sparse voxel representation, overlooking the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Xiang Xu , Lingdong Kong , Hui Shuai , Liang Pan , Ziwei Liu , Qingshan Liu

Indirect Time-of-Flight (I-ToF) imaging is a widespread way of depth estimation for mobile devices due to its small size and affordable price. Previous works have mainly focused on quality improvement for I-ToF imaging especially curing the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 HyunJun Jung , Nikolas Brasch , Ales Leonardis , Nassir Navab , Benjamin Busam

A novel framework to construct an efficient sensing (measurement) matrix, called mixed adaptive-random (MAR) matrix, is introduced for directly acquiring a compressed image representation. The mixed sampling (sensing) procedure hybridizes…

Information Theory · Computer Science 2015-04-07 Jun Yang , Wei E. I. Sha , Hongyang Chao , Zhu Jin

Deep Learning (DL) based methods for magnetic resonance (MR) image reconstruction have been shown to produce superior performance in recent years. However, these methods either only leverage under-sampled data or require a paired…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Pengfei Guo , Vishal M. Patel

Image-text retrieval has developed rapidly in recent years. However, it is still a challenge in remote sensing due to visual-semantic imbalance, which leads to incorrect matching of non-semantic visual and textual features. To solve this…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Qing Ma , Jiancheng Pan , Cong Bai

Seeing clearly with high resolution is a foundation of Large Multimodal Models (LMMs), which has been proven to be vital for visual perception and reasoning. Existing works usually employ a straightforward resolution upscaling method, where…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Yi-Fan Zhang , Qingsong Wen , Chaoyou Fu , Xue Wang , Zhang Zhang , Liang Wang , Rong Jin