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相关论文: Perceptual Assessment and Optimization of HDR Imag…

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Feature point (FP) detection is a fundamental step of many computer vision tasks. However, FP detectors are usually designed for low dynamic range (LDR) images. In scenes with extreme light conditions, LDR images present saturated pixels,…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Artur Santos Nascimento , Welerson Augusto Lino de Jesus Melo , Daniel Oliveira Dantas , Beatriz Trinchão Andrade

Nowadays modern displays are capable to render video content with high dynamic range (HDR) and wide color gamut (WCG). However, most available resources are still in standard dynamic range (SDR). Therefore, there is an urgent demand to…

图像与视频处理 · 电气工程与系统科学 2021-09-28 Xiangyu Chen , Zhengwen Zhang , Jimmy S. Ren , Lynhoo Tian , Yu Qiao , Chao Dong

Presenting high-resolution (HR) human appearance is always critical for the human-centric videos. However, current imagery equipment can hardly capture HR details all the time. Existing super-resolution algorithms barely mitigate the…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Guanghan Li , Yaping Zhao , Mengqi Ji , Xiaoyun Yuan , Lu Fang

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

We advance the field of HDR environment map estimation from a single-view image by establishing a novel approach leveraging the Latent Diffusion Model (LDM) to produce high-quality environment maps that can plausibly light mirror-reflective…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Jack Hilliard , Adrian Hilton , Jean-Yves Guillemaut

In media industry, the demand of SDR-to-HDRTV up-conversion arises when users possess HDR-WCG (high dynamic range-wide color gamut) TVs while most off-the-shelf footage is still in SDR (standard dynamic range). The research community has…

多媒体 · 计算机科学 2023-10-02 Cheng Guo , Leidong Fan , Ziyu Xue , and Xiuhua Jiang

We introduce a novel feature set, which we call HDRMAX features, that when included into Video Quality Assessment (VQA) algorithms designed for Standard Dynamic Range (SDR) videos, sensitizes them to distortions of High Dynamic Range (HDR)…

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

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…

图像与视频处理 · 电气工程与系统科学 2024-03-15 Yuliang Wu , Ganchao Tan , Jinze Chen , Wei Zhai , Yang Cao , Zheng-Jun Zha

Conventional images/videos are often rendered within the central vision area of the human visual system (HVS) with uniform quality. Recent virtual reality (VR) device with head mounted display (HMD) extends the field of view (FoV)…

多媒体 · 计算机科学 2018-02-27 Peiyao Guo , Qiu Shen , Zhan Ma , David J. Brady , Yao Wang

While consumer displays increasingly support more than 10 stops of dynamic range, most image assets such as internet photographs and generative AI content remain limited to 8-bit low dynamic range (LDR), constraining their utility across…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Chao Wang , Zhihao Xia , Thomas Leimkuehler , Karol Myszkowski , Xuaner Zhang

We propose novel methods of solving two tasks using Convolutional Neural Networks, firstly the task of generating HDR map of a static scene using differently exposed LDR images of the scene captured using conventional cameras and secondly…

计算机视觉与模式识别 · 计算机科学 2016-11-03 Kshiteej Sheth

Recent years have witnessed substantial advancements in the field of 3D reconstruction from 2D images, particularly following the introduction of the neural radiance field (NeRF) technique. However, reconstructing a 3D high dynamic range…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Jiahao Wu , Lu Xiao , Rui Peng , Kaiqiang Xiong , Ronggang Wang

Classically, rasterization techniques are performed for real-time rendering to meet the constraint of interactive frame rates. However, such techniques do not produce realistic results as compared to ray tracing approaches. Hence, hybrid…

图形学 · 计算机科学 2022-10-31 Yu Wei Tan , Alden Tan , Nicholas Nge , Anand Bhojan

High-dynamic-range (HDR) imaging is an essential technique for overcoming the dynamic range limits of image sensors. The classic method relies on multiple exposures, which slows capture time, resulting in motion artifacts when imaging…

图像与视频处理 · 电气工程与系统科学 2025-09-16 Xiang Dai , Kyrollos Yanny , Kristina Monakhova , Nicholas Antipa

Perceptual image restoration seeks for high-fidelity images that most likely degrade to given images. For better visual quality, previous work proposed to search for solutions within the natural image manifold, by exploiting the latent…

图像与视频处理 · 电气工程与系统科学 2021-03-05 Chaoyi Han , Yiping Duan , Xiaoming Tao , Jianhua Lu

Recently, intermediate feature maps of pre-trained convolutional neural networks have shown significant perceptual quality improvements, when they are used in the loss function for training new networks. It is believed that these features…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Taimoor Tariq , Okan Tarhan Tursun , Munchurl Kim , Piotr Didyk

High dynamic range (HDR) imaging enables to immortalize natural scenes similar to the way that they are perceived by human observers. With regular low dynamic range (LDR) capture/display devices, significant details may not be preserved in…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Diclehan Karakaya , Oguzhan Ulucan , Mehmet Turkan

High Dynamic Range Novel View Synthesis (HDR NVS) seeks to learn an HDR 3D model from Low Dynamic Range (LDR) training images captured under conventional imaging conditions. Current methods primarily focus on static scenes, implicitly…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Kaixuan Zhang , Zhipeng Xiong , Minxian Li , Mingwu Ren , Jiankang Deng , Xiatian Zhu

Generative artificial intelligence holds significant potential for abuse, and generative image detection has become a key focus of research. However, existing methods primarily focused on detecting a specific generative model and…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Peipei Yuan , Zijing Xie , Shuo Ye , Hong Chen , Yulong Wang

While today's high dynamic range (HDR) image fusion algorithms are capable of blending multiple exposures, the acquisition is often controlled so that the dynamic range within one exposure is narrow. For HDR imaging in photon-limited…

图像与视频处理 · 电气工程与系统科学 2023-04-18 Yiheng Chi , Xingguang Zhang , Stanley H. Chan