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相关论文: X2HDR: HDR Image Generation in a Perceptually Unif…

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High dynamic range (HDR) imagery offers a rich and faithful representation of scene radiance, but remains challenging for generative models due to its mismatch with the bounded, perceptually compressed data on which these models are…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Naomi Ken Korem , Mohamed Oumoumad , Harel Cain , Matan Ben Yosef , Urska Jelercic , Ofir Bibi , Yaron Inger , Or Patashnik , Daniel Cohen-Or

Recent generative methods for single-shot high dynamic range (HDR) image reconstruction show promising results, but often struggle with preserving fidelity to the input image. They require separate models to handle highlights and shadows,…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Chinmay Talegaonkar , Jinshi He , Christopher McKenna , Nicholas Antipa

High Dynamic Range (HDR) imaging aims to reproduce the wide range of brightness levels present in natural scenes, which the human visual system can perceive but conventional digital cameras often fail to capture due to their limited dynamic…

图像与视频处理 · 电气工程与系统科学 2025-10-28 Kumbha Nagaswetha

High Dynamic Range (HDR) generation remains challenging for generative models, which are largely limited to low dynamic range outputs. Recent diffusionbased approaches approximate HDR by generating multiple exposure-conditioned samples,…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Pedram Fekri , WenChen Li , William Chen , Peter Altamirano

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…

图像与视频处理 · 电气工程与系统科学 2022-10-31 Phuoc-Hieu Le , Quynh Le , Rang Nguyen , Binh-Son Hua

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

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…

图像与视频处理 · 电气工程与系统科学 2024-09-11 Peibei Cao , Rafal K. Mantiuk , Kede Ma

The vast majority of standard image and video content available online is represented in display-encoded color spaces, in which pixel values are conveniently scaled to a limited range (0-1) and the color distribution is approximately…

图像与视频处理 · 电气工程与系统科学 2025-04-22 Andrew Yanzhe Ke , Lei Luo , Xiaoyu Xiang , Yuchen Fan , Rakesh Ranjan , Alexandre Chapiro , Rafał K. Mantiuk

High dynamic range (HDR) capture and display have seen significant growth in popularity driven by the advancements in technology and increasing consumer demand for superior image quality. As a result, HDR image compression is crucial to…

图像与视频处理 · 电气工程与系统科学 2024-07-19 Peibei Cao , Haoyu Chen , Jingzhe Ma , Yu-Chieh Yuan , Zhiyong Xie , Xin Xie , Haiqing Bai , Kede Ma

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

High dynamic range (HDR) images capture much more intensity levels than standard ones. Current methods predominantly generate HDR images from 8-bit low dynamic range (LDR) sRGB images that have been degraded by the camera processing…

图像与视频处理 · 电气工程与系统科学 2023-09-06 Yunhao Zou , Chenggang Yan , Ying Fu

Single LDR to HDR reconstruction remains challenging for over-exposed regions where traditional methods often fail due to complete information loss. We present a training-free approach that enhances existing indirect and direct HDR…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Yo-Tin Lin , Su-Kai Chen , Hou-Ning Hu , Yen-Yu Lin , Yu-Lun Liu

High dynamic range (HDR) imaging is of fundamental importance in modern digital photography pipelines and used to produce a high-quality photograph with well exposed regions despite varying illumination across the image. This is typically…

图像与视频处理 · 电气工程与系统科学 2024-07-24 Sibi Catley-Chandar , Thomas Tanay , Lucas Vandroux , Aleš Leonardis , Gregory Slabaugh , Eduardo Pérez-Pellitero

Digital cameras can only capture a limited range of real-world scenes' luminance, producing images with saturated pixels. Existing single image high dynamic range (HDR) reconstruction methods attempt to expand the range of luminance, but…

图像与视频处理 · 电气工程与系统科学 2020-05-18 Marcel Santana Santos , Tsang Ing Ren , Nima Khademi Kalantari

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

Accurately capturing dynamic scenes with wide-ranging motion and light intensity is crucial for many vision applications. However, acquiring high-speed high dynamic range (HDR) video is challenging because the camera's frame rate restricts…

图像与视频处理 · 电气工程与系统科学 2024-04-26 Caixin Wang , Jie Zhang , Matthew A. Wilson , Ralph Etienne-Cummings

High dynamic range (HDR) imaging under extreme illumination remains challenging for conventional cameras due to overexposure. Event cameras provide microsecond temporal resolution and high dynamic range, while spatially varying exposure…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Pengju Sun , Banglei Guan , Jing Tao , Zhenbao Yu , Xuanyu Bai , Yang Shang , Qifeng Yu

We demonstrate generating HDR images using the concerted action of multiple black-box, pre-trained LDR image diffusion models. Relying on a pre-trained LDR generative diffusion models is vital as, first, there is no sufficiently large HDR…

图形学 · 计算机科学 2025-03-19 Mojtaba Bemana , Thomas Leimkühler , Karol Myszkowski , Hans-Peter Seidel , Tobias Ritschel

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

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…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Sebastian Dille , Chris Careaga , Yağız Aksoy
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