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High Dynamic Range (HDR) images are the ones that contain a greater range of luminosity as compared to the standard images. HDR images have a higher detail and clarity of structure, objects, and color, which the standard images lack. HDR…

图像与视频处理 · 电气工程与系统科学 2021-09-21 Inaam Ul Hassan , Abdul Haseeb , Sarwan Ali

Low Dynamic Range (LDR) to High Dynamic Range (HDR) image translation is a fundamental task in many computational vision problems. Numerous data-driven methods have been proposed to address this problem; however, they lack explicit modeling…

图形学 · 计算机科学 2025-09-23 Hrishav Bakul Barua , Kalin Stefanov , Ganesh Krishnasamy , KokSheik Wong , Abhinav Dhall

High dynamic range (HDR) imaging provides the capability of handling real world lighting as opposed to the traditional low dynamic range (LDR) which struggles to accurately represent images with higher dynamic range. However, most imaging…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Demetris Marnerides , Thomas Bashford-Rogers , Jonathan Hatchett , Kurt Debattista

High dynamic range imaging (HDRI) for real-world dynamic scenes is challenging because moving objects may lead to hybrid degradation of low dynamic range and motion blur. Existing event-based approaches only focus on a separate task, while…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Li Xiaopeng , Zeng Zhaoyuan , Fan Cien , Zhao Chen , Deng Lei , Yu Lei

The main focus of this document is to evaluate the performance of the existing LDR and HDR metrics on HDR video content which in turn will allow for a better understanding of how well each of these metrics work and if they can be applied in…

图像与视频处理 · 电气工程与系统科学 2018-03-16 Amin Banitalebi-Dehkordi , Maryam Azimi , Yuanyuan Dong , Mahsa T. Pourazad , Panos Nasiopoulos

Mapping a single exposure low dynamic range (LDR) image into a high dynamic range (HDR) is considered among the most strenuous image to image translation tasks due to exposure-related missing information. This study tackles the challenges…

计算机视觉与模式识别 · 计算机科学 2021-04-20 SMA Sharif , Rizwan Ali Naqvi , Mithun Biswas , Kim Sungjun

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…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Haesoo Chung , Nam Ik Cho

High-dynamic-range (HDR) formats and displays are becoming increasingly prevalent, yet state-of-the-art image generators (e.g., Stable Diffusion and FLUX) typically remain limited to low-dynamic-range (LDR) output due to the lack of…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Ronghuan Wu , Wanchao Su , Kede Ma , Jing Liao , Rafał K. Mantiuk

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…

图像与视频处理 · 电气工程与系统科学 2022-09-22 Zaixi Shang , Joshua P. Ebenezer , Alan C. Bovik , Yongjun Wu , Hai Wei , Sriram Sethuraman

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…

图像与视频处理 · 电气工程与系统科学 2019-08-05 Christopher A. Metzler , Hayato Ikoma , Yifan Peng , Gordon Wetzstein

High dynamic range (HDR) video reconstruction from sequences captured with alternating exposures is a very challenging problem. Existing methods often align low dynamic range (LDR) input sequence in the image space using optical flow, and…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Guanying Chen , Chaofeng Chen , Shi Guo , Zhetong Liang , Kwan-Yee K. Wong , Lei Zhang

Digital imaging aims to replicate realistic scenes, but Low Dynamic Range (LDR) cameras cannot represent the wide dynamic range of real scenes, resulting in under-/overexposed images. This paper presents a deep learning-based approach for…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Dwip Dalal , Gautam Vashishtha , Prajwal Singh , Shanmuganathan Raman

We present High Dynamic Range Neural Radiance Fields (HDR-NeRF) to recover an HDR radiance field from a set of low dynamic range (LDR) views with different exposures. Using the HDR-NeRF, we are able to generate both novel HDR views and…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Xuan Wang , Qing Wang

Recent High Dynamic Range (HDR) techniques extend the capabilities of current cameras where scenes with a wide range of illumination can not be accurately captured with a single low-dynamic-range (LDR) image. This is generally accomplished…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Michal Nazarczuk , Sibi Catley-Chandar , Ales Leonardis , Eduardo Pérez-Pellitero

This paper tackles high-dynamic-range (HDR) image reconstruction given only a single low-dynamic-range (LDR) image as input. While the existing methods focus on minimizing the mean-squared-error (MSE) between the target and reconstructed…

计算机视觉与模式识别 · 计算机科学 2018-12-19 Kenta Moriwaki , Ryota Yoshihashi , Rei Kawakami , Shaodi You , Takeshi Naemura

In this lecture note, we describe high dynamic range (HDR) imaging systems; such systems are able to represent luminances of much larger brightness and, typically, also a larger range of colors than conventional standard dynamic range (SDR)…

图形学 · 计算机科学 2017-12-01 Alessandro Artusi , Thomas Richter , Touradj Ebrahimi , Rafal K. Mantiuk

Editing High Dynamic Range (HDR) environment maps using an inverse differentiable rendering architecture is a complex inverse problem due to the sparsity of relevant pixels and the challenges in balancing light sources and background. The…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Antonio D'Orazio , Davide Sforza , Fabio Pellacini , Iacopo Masi

Capturing High Dynamic Range (HDR) scenery using 8-bit cameras often suffers from over-/underexposure, loss of fine details due to low bit-depth compression, skewed color distributions, and strong noise in dark areas. Traditional LDR image…

图像与视频处理 · 电气工程与系统科学 2024-06-14 Baiang Li , Sizhuo Ma , Yanhong Zeng , Xiaogang Xu , Youqing Fang , Zhao Zhang , Jian Wang , Kai Chen

High dynamic range (HDR) image generation from a single exposure low dynamic range (LDR) image has been made possible due to the recent advances in Deep Learning. Various feed-forward Convolutional Neural Networks (CNNs) have been proposed…

计算机视觉与模式识别 · 计算机科学 2019-12-25 Zeeshan Khan , Mukul Khanna , Shanmuganathan Raman

Inverse rendering seeks to recover 3D geometry, surface material, and lighting from captured images, enabling advanced applications such as novel-view synthesis, relighting, and virtual object insertion. However, most existing techniques…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Chih-Hao Lin , Jia-Bin Huang , Zhengqin Li , Zhao Dong , Christian Richardt , Tuotuo Li , Michael Zollhöfer , Johannes Kopf , Shenlong Wang , Changil Kim