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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

We introduce HIDRO-VQA, a no-reference (NR) video quality assessment model designed to provide precise quality evaluations of High Dynamic Range (HDR) videos. HDR videos exhibit a broader spectrum of luminance, detail, and color than…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Shreshth Saini , Avinab Saha , Alan C. Bovik

Multi-exposure High Dynamic Range (HDR) imaging is a challenging task when facing truncated texture and complex motion. Existing deep learning-based methods have achieved great success by either following the alignment and fusion pipeline…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Lingtong Kong , Bo Li , Yike Xiong , Hao Zhang , Hong Gu , Jinwei Chen

Existing learning-based methods effectively reconstruct HDR images from multi-exposure LDR inputs with extended dynamic range and improved detail, but they rely more on empirical design rather than theoretical foundation, which can impact…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Xinyue Li , Zhangkai Ni , Wenhan Yang

Ghosting artifacts, motion blur, and low fidelity in highlight are the main challenges in High Dynamic Range (HDR) imaging from multiple Low Dynamic Range (LDR) images. These issues come from using the medium-exposed image as the reference…

图像与视频处理 · 电气工程与系统科学 2022-11-07 Wei Li , Shuai Xiao , Tianhong Dai , Shanxin Yuan , Tao Wang , Cheng Li , Fenglong Song

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) video rendering from low dynamic range (LDR) videos where frames are of alternate exposure encounters significant challenges, due to the exposure change and absence at each time stamp. The exposure change and…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Jiahao Cui , Wei Jiang , Zhan Peng , Zhiyu Pan , Zhiguo Cao

The display devices like HDR10 televisions are increasingly prevalent in our daily life for visualizing high dynamic range (HDR) images. But the majority of media images on the internet remain in 8-bit standard dynamic range (SDR) format.…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Liqi Xue , Tianyi Xu , Yongbao Song , Yan Liu , Lei Zhang , Xiantong Zhen , Jun Xu

High dynamic range (HDR) imaging from multiple low dynamic range (LDR) images has been suffering from ghosting artifacts caused by scene and objects motion. Existing methods, such as optical flow based and end-to-end deep learning based…

图像与视频处理 · 电气工程与系统科学 2023-11-09 Tianhong Dai , Wei Li , Xilei Cao , Jianzhuang Liu , Xu Jia , Ales Leonardis , Youliang Yan , Shanxin Yuan

Although digital cameras can acquire high-dynamic range (HDR) images, the captured HDR information are mostly quantized to low-dynamic range (LDR) images for display compatibility and compact storage. In this paper, we propose an invertible…

图像与视频处理 · 电气工程与系统科学 2021-10-12 Zhuming Zhang , Menghan Xia , Xueting Liu , Chengze Li , Tien-Tsin Wong

High dynamic range (HDR) novel view synthesis (NVS) aims to create photorealistic images from novel viewpoints using HDR imaging techniques. The rendered HDR images capture a wider range of brightness levels containing more details of the…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Yuanhao Cai , Zihao Xiao , Yixun Liang , Minghan Qin , Yulun Zhang , Xiaokang Yang , Yaoyao Liu , Alan Yuille

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

Since the number of incident energies is limited, it is difficult to directly acquire hyperspectral images (HSI) with high spatial resolution. Considering the high dimensionality and correlation of HSI, super-resolution (SR) of HSI remains…

计算机视觉与模式识别 · 计算机科学 2023-07-17 Tingting Liu , Yuan Liu , Chuncheng Zhang , Yuan Liyin , Xiubao Sui , Qian Chen

In this paper, a novel inverse tone mapping method using a convolutional neural network (CNN) with LDR based learning is proposed. In conventional inverse tone mapping with CNNs, generated HDR images cannot have absolute luminance, although…

图像与视频处理 · 电气工程与系统科学 2019-03-05 Yuma Kinoshita , Hitoshi Kiya

In this study, we address the emerging necessity of converting Standard Dynamic Range Television (SDRTV) content into High Dynamic Range Television (HDRTV) in light of the limited number of native HDRTV content. A principal technical…

图像与视频处理 · 电气工程与系统科学 2024-10-24 Kepeng Xu , Li Xu , Gang He , Xianyun Wu , Zhiqiang Zhang , Wenxin Yu , Yunsong Li

We present a no-reference video quality model and algorithm that delivers standout performance for High Dynamic Range (HDR) videos, which we call HDR-ChipQA. HDR videos represent wider ranges of luminances, details, and colors than Standard…

图像与视频处理 · 电气工程与系统科学 2023-04-27 Joshua P. Ebenezer , Zaixi Shang , Yongjun Wu , Hai Wei , Sriram Sethuraman , Alan C. Bovik

We introduce HDRSDR-VQA, a large-scale video quality assessment dataset designed to facilitate comparative analysis between High Dynamic Range (HDR) and Standard Dynamic Range (SDR) content under realistic viewing conditions. The dataset…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Bowen Chen , Cheng-han Lee , Yixu Chen , Zaixi Shang , Hai Wei , Alan C. Bovik

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

Synthesizing high dynamic range (HDR) images from multiple low-dynamic range (LDR) exposures in dynamic scenes is challenging. There are two major problems caused by the large motions of foreground objects. One is the severe misalignment…

图像与视频处理 · 电气工程与系统科学 2021-04-07 Yuzhen Niu , Jianbin Wu , Wenxi Liu , Wenzhong Guo , Rynson W. H. Lau

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…

图像与视频处理 · 电气工程与系统科学 2021-12-07 Masheal Alghamdi , Qiang Fu , Ali Thabet , Wolfgang Heidrich