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Most of the real world scenes have a very high dynamic range (HDR). The mobile phone cameras and the digital cameras available in markets are limited in their capability in both the range and spatial resolution. Same argument can be posed…

Computer Vision and Pattern Recognition · Computer Science 2013-05-21 Govind Salvi , Puneet Sharma , Shanmuganathan Raman

Hyperspectral imaging is useful for applications ranging from medical diagnostics to agricultural crop monitoring; however, traditional scanning hyperspectral imagers are prohibitively slow and expensive for widespread adoption. Snapshot…

Image and Video Processing · Electrical Eng. & Systems 2020-09-30 Kristina Monakhova , Kyrollos Yanny , Neerja Aggarwal , Laura Waller

High-dynamic-range (HDR) imaging is crucial for many computer graphics and vision applications. Yet, acquiring HDR images with a single shot remains a challenging problem. Whereas modern deep learning approaches are successful at…

Image and Video Processing · Electrical Eng. & Systems 2019-08-05 Christopher A. Metzler , Hayato Ikoma , Yifan Peng , Gordon Wetzstein

Dynamic Range (DR) is a pivotal characteristic of imaging systems. Current frame-based cameras struggle to achieve high dynamic range imaging due to the conflict between globally uniform exposure and spatially variant scene illumination. In…

Image and Video Processing · Electrical Eng. & Systems 2024-03-15 Yuliang Wu , Ganchao Tan , Jinze Chen , Wei Zhai , Yang Cao , Zheng-Jun Zha

High dynamic range (HDR) imaging is a technique that allows an extensive dynamic range of exposures, which is important in image processing, computer graphics, and computer vision. In recent years, there has been a significant advancement…

Image and Video Processing · Electrical Eng. & Systems 2021-11-12 Lin Wang , Kuk-Jin Yoon

High dynamic range (HDR) rendering has the ability to faithfully reproduce the wide luminance ranges in natural scenes, but how to accurately assess the rendering quality is relatively underexplored. Existing quality models are mostly…

Image and Video Processing · Electrical Eng. & Systems 2024-09-11 Peibei Cao , Rafal K. Mantiuk , Kede Ma

Hyperspectral imaging is one of the most promising techniques for intraoperative tissue characterisation. Snapshot mosaic cameras, which can capture hyperspectral data in a single exposure, have the potential to make a real-time…

Image and Video Processing · Electrical Eng. & Systems 2021-12-02 Peichao Li , Michael Ebner , Philip Noonan , Conor Horgan , Anisha Bahl , Sebastien Ourselin , Jonathan Shapey , Tom Vercauteren

Merging multi-exposure images is a common approach for obtaining high dynamic range (HDR) images, with the primary challenge being the avoidance of ghosting artifacts in dynamic scenes. Recent methods have proposed using deep neural…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Zhilu Zhang , Haoyu Wang , Shuai Liu , Xiaotao Wang , Lei Lei , Wangmeng Zuo

While the human eye can perceive an impressive twenty stops of dynamic range, smartphone camera sensors remain limited to about twelve stops despite decades of research. A variety of high dynamic range (HDR) image capture and processing…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Baiang Li , Ruyu Yan , Ethan Tseng , Zhoutong Zhang , Adam Finkelstein , Jiawen Chen , Felix Heide

Low dynamic range (LDR) cameras cannot deal with wide dynamic range inputs, frequently leading to local overexposure issues. We present a learning-based system to reduce these artifacts without resorting to complex acquisition mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Yazhou Xing , Amrita Mazumdar , Anjul Patney , Chao Liu , Hongxu Yin , Qifeng Chen , Jan Kautz , Iuri Frosio

The low dynamic range (LDR) of common cameras fails to capture the rich contrast in natural scenes, resulting in loss of color and details in saturated pixels. Reconstructing the high dynamic range (HDR) of luminance present in the scene…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Sebastian Dille , Chris Careaga , Yağız Aksoy

Photo-realistic novel view synthesis from multi-view images, such as neural radiance field (NeRF) and 3D Gaussian Splatting (3DGS), has gained significant attention for its superior performance. However, most existing methods rely on low…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Shucheng Gong , Lingzhe Zhao , Wenpu Li , Hong Xie , Yin Zhang , Shiyu Zhao , Peidong Liu

This paper study the reconstruction of High Dynamic Range (HDR) video from snapshot-coded LDR video. Constructing an HDR video requires restoring the HDR values for each frame and maintaining the consistency between successive frames. HDR…

Image and Video Processing · Electrical Eng. & Systems 2021-12-07 Masheal Alghamdi , Qiang Fu , Ali Thabet , Wolfgang Heidrich

Recent innovations shows that blending of details captured by single Low Dynamic Range (LDR) sensor overcomes the limitations of standard digital cameras to capture details from high dynamic range scene. We present a method to produce…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Harbinder Singh , Dinesh Arora , Vinay Kumar

The ability to image high-dynamic-range (HDR) scenes is crucial in many computer vision applications. The dynamic range of conventional sensors, however, is fundamentally limited by their well capacity, resulting in saturation of bright…

Image and Video Processing · Electrical Eng. & Systems 2022-04-22 Haley M. So , Julien N. P. Martel , Piotr Dudek , Gordon Wetzstein

Multi-spectral imaging, which simultaneously captures the spatial and spectral information of a scene, is widely used across diverse fields, including remote sensing, biomedical imaging, and agricultural monitoring. Here, we introduce a…

Even though image signals are typically acquired on a regular two dimensional grid, there exist many scenarios where non-regular sampling is possible. Non-regular sampling can remove aliasing. In terms of the non-regular sampling patterns,…

Image and Video Processing · Electrical Eng. & Systems 2022-03-02 Simon Grosche , Jürgen Seiler , André Kaup

High dynamic range (HDR) imaging is an indispensable technique in modern photography. Traditional methods focus on HDR reconstruction from multiple images, solving the core problems of image alignment, fusion, and tone mapping, yet having a…

Image and Video Processing · Electrical Eng. & Systems 2022-10-31 Phuoc-Hieu Le , Quynh Le , Rang Nguyen , Binh-Son Hua

Photographing scenes with high dynamic range (HDR) poses great challenges to consumer cameras with their limited sensor bit depth. To address this, Zhao et al. recently proposed a novel sensor concept - the modulo camera - which captures…

Computer Vision and Pattern Recognition · Computer Science 2017-07-06 Florian Lang , Tobias Plötz , Stefan Roth

We seek to reconstruct sharp and noise-free high-dynamic range (HDR) video from a dual-exposure sensor that records different low-dynamic range (LDR) information in different pixel columns: Odd columns provide low-exposure, sharp, but noisy…

Image and Video Processing · Electrical Eng. & Systems 2021-04-14 Uğur Çoğalan , Mojtaba Bemana , Karol Myszkowski , Hans-Peter Seidel , Tobias Ritschel