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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

Capturing high dynamic range (HDR) images (videos) is attractive because it can reveal the details in both dark and bright regions. Since the mainstream screens only support low dynamic range (LDR) content, tone mapping algorithm is…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Cong Cao , Huanjing Yue , Xin Liu , Jingyu Yang

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

Inverse Tone Mapping (ITM) methods attempt to reconstruct High Dynamic Range (HDR) information from Low Dynamic Range (LDR) image content. The dynamic range of well-exposed areas must be expanded and any missing information due to…

计算机视觉与模式识别 · 计算机科学 2021-06-18 Demetris Marnerides , Thomas Bashford-Rogers , Kurt Debattista

Tone mapping is a commonly used technique that maps the set of colors in high-dynamic-range (HDR) images to another set of colors in low-dynamic-range (LDR) images, to fit the need for print-outs, LCD monitors and projectors. Unfortunately,…

计算机视觉与模式识别 · 计算机科学 2018-09-18 Zhuming Zhang , Xinghong Hu , Xueting Liu , Tien-Tsin Wong

High dynamic range (HDR) imaging is an important task in image processing that aims to generate well-exposed images in scenes with varying illumination. Although existing multi-exposure fusion methods have achieved impressive results,…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Jun Xiao , Qian Ye , Tianshan Liu , Cong Zhang , Kin-Man Lam

This paper proposes the first non-flow-based deep framework for high dynamic range (HDR) imaging of dynamic scenes with large-scale foreground motions. In state-of-the-art deep HDR imaging, input images are first aligned using optical flows…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Shangzhe Wu , Jiarui Xu , Yu-Wing Tai , Chi-Keung Tang

Recent modern displays are now able to render high dynamic range (HDR), high resolution (HR) videos of up to 8K UHD (Ultra High Definition). Consequently, UHD HDR broadcasting and streaming have emerged as high quality premium services.…

图像与视频处理 · 电气工程与系统科学 2019-09-04 Soo Ye Kim , Jihyong Oh , Munchurl Kim

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

High Dynamic Range (HDR) videos have enjoyed a surge in popularity in recent years due to their ability to represent a wider range of contrast and color than Standard Dynamic Range (SDR) videos. Although HDR video capture has seen…

图像与视频处理 · 电气工程与系统科学 2024-04-23 Abhinau K. Venkataramanan , Cosmin Stejerean , Ioannis Katsavounidis , Hassene Tmar , Alan C. Bovik

Image correction aims to adjust an input image into a visually pleasing one. Existing approaches are proposed mainly from the perspective of image pixel manipulation. They are not effective to recover the details in the under/over exposed…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Xin Yang , Ke Xu , Yibing Song , Qiang Zhang , Xiaopeng Wei , Rynson Lau

High Dynamic Range (HDR) images can be recovered from several Low Dynamic Range (LDR) images by existing Deep Neural Networks (DNNs) techniques. Despite the remarkable progress, DNN-based methods still generate ghosting artifacts when LDR…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Qingsen Yan , Tao Hu , Yuan Sun , Hao Tang , Yu Zhu , Wei Dong , Luc Van Gool , Yanning Zhang

One of the main open challenges in visual odometry (VO) is the robustness to difficult illumination conditions or high dynamic range (HDR) environments. The main difficulties in these situations come from both the limitations of the sensors…

计算机视觉与模式识别 · 计算机科学 2018-04-11 Ruben Gomez-Ojeda , Zichao Zhang , Javier Gonzalez-Jimenez , Davide Scaramuzza

High dynamic range (HDR) videos provide a more visually realistic experience than the standard low dynamic range (LDR) videos. Despite having significant progress in HDR imaging, it is still a challenging task to capture high-quality HDR…

图像与视频处理 · 电气工程与系统科学 2021-11-04 Mrinal Anand , Nidhin Harilal , Chandan Kumar , Shanmuganathan Raman

An image processing unit (IPU), or image signal processor (ISP) for high dynamic range (HDR) imaging usually consists of demosaicing, white balancing, lens shading correction, color correction, denoising, and tone-mapping. Besides noise…

图像与视频处理 · 电气工程与系统科学 2023-03-27 Litao Hu , Huaijin Chen , Jan P. Allebach

In practice, environments constantly change over time and space, posing significant challenges for object detectors trained based on a closed-set assumption, i.e., training and test data share the same distribution. To this end, continual…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Deng Li , Aming Wu , Yang Li , Yaowei Wang , Yahong Han

The prime goal of digital imaging techniques is to reproduce the realistic appearance of a scene. Low Dynamic Range (LDR) cameras are incapable of representing the wide dynamic range of the real-world scene. The captured images turn out to…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Prarabdh Raipurkar , Rohil Pal , Shanmuganathan Raman

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

The range of real-world scene luminance is larger than the capture capability of many digital camera sensors which leads to details being lost in captured images, most typically in bright regions. Inverse tone mapping attempts to boost…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Abhishek Goswami , Aru Ranjan Singh , Francesco Banterle , Kurt Debattista , Thomas Bashford-Rogers

We propose a novel scene-segmentation-based exposure compensation method for multi-exposure image fusion (MEF) based tone mapping. The aim of MEF-based tone mapping is to display high dynamic range (HDR) images on devices with limited…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Yuma Kinoshita , Hitoshi Kiya