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相关论文: Capturing Stable HDR Videos Using a Dual-Camera Sy…

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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

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

Single-image HDR reconstruction aims to recover high dynamic range radiance from a single low dynamic range (LDR) input, but remains highly ill-posed due to detail saturation in over-exposed regions and noise amplification in under-exposed…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Aoyu Liu , Zhen Liu , Ziyi Wang , Dian Chen , Bing Zeng , Shuaicheng Liu

High Dynamic Range (HDR) imaging via multi-exposure fusion is an important task for most modern imaging platforms. In spite of recent developments in both hardware and algorithm innovations, challenges remain over content association…

图像与视频处理 · 电气工程与系统科学 2022-04-13 Jie Chen , Zaifeng Yang , Tsz Nam Chan , Hui Li , Junhui Hou , Lap-Pui Chau

There are shadow and highlight regions in a low dynamic range (LDR) image which is captured from a high dynamic range (HDR) scene. It is an ill-posed problem to restore the saturated regions of the LDR image. In this paper, the saturated…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Chaobing Zheng , Zhengguo Li , Shiqian Wu

Capturing high dynamic range (HDR) scenes is one of the most important issues in camera design. Majority of cameras use exposure fusion, which fuses images captured by different exposure levels, to increase dynamic range. However, this…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Zixuan Chen , Yujin Wang , Xin Cai , Zhiyuan You , Zheming Lu , Fan Zhang , Shi Guo , Tianfan Xue

Display technology must offer high dynamic range (HDR) contrast-based depth induction and 3D personalization simultaneously. Efficient algorithms to compress HDR stereo data is critical. Direct capturing of HDR content is complicated due to…

计算机视觉与模式识别 · 计算机科学 2025-11-06 Mansi Sharma , Jyotsana Grover

This paper considers the problem of generating an HDR image of a scene from its LDR images. Recent studies employ deep learning and solve the problem in an end-to-end fashion, leading to significant performance improvements. However, it is…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Qian Ye , Jun Xiao , Kin-man Lam , Takayuki Okatani

High dynamic range (HDR) imaging aims to retrieve information from multiple low-dynamic range inputs to generate realistic output. The essence is to leverage the contextual information, including both dynamic and static semantics, for…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Steven Tel , Zongwei Wu , Yulun Zhang , Barthélémy Heyrman , Cédric Demonceaux , Radu Timofte , Dominique Ginhac

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

This paper presents DualCamCtrl, a novel end-to-end diffusion model for camera-controlled video generation. Recent works have advanced this field by representing camera poses as ray-based conditions, yet they often lack sufficient scene…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Hongfei Zhang , Kanghao Chen , Zixin Zhang , Harold Haodong Chen , Yuanhuiyi Lyu , Yuqi Zhang , Shuai Yang , Kun Zhou , Yingcong Chen

Heterogeneous Face Recognition (HFR) is a challenging issue because of the large domain discrepancy and a lack of heterogeneous data. This paper considers HFR as a dual generation problem, and proposes a novel Dual Variational Generation…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Chaoyou Fu , Xiang Wu , Yibo Hu , Huaibo Huang , Ran He

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

Heterogeneous Face Recognition (HFR) refers to matching cross-domain faces and plays a crucial role in public security. Nevertheless, HFR is confronted with challenges from large domain discrepancy and insufficient heterogeneous data. In…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Chaoyou Fu , Xiang Wu , Yibo Hu , Huaibo Huang , Ran He

Modern consumer cameras usually employ the rolling shutter (RS) mechanism, where images are captured by scanning scenes row-by-row, yielding RS distortions for dynamic scenes. To correct RS distortions, existing methods adopt a fully…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Wei Shang , Dongwei Ren , Chaoyu Feng , Xiaotao Wang , Lei Lei , Wangmeng Zuo

We describe a new method for comparing frame appearance in a frame-to-model 3-D mapping and tracking system using an low dynamic range (LDR) RGB-D camera which is robust to brightness changes caused by auto exposure. It is based on a…

计算机视觉与模式识别 · 计算机科学 2016-04-05 Shuda Li , Ankur Handa , Yang Zhang , Andrew Calway

Deep learning is commonly used to reconstruct HDR images from LDR images. LDR stack-based methods are used for single-image HDR reconstruction, generating an HDR image from a deep learning-generated LDR stack. However, current methods…

图像与视频处理 · 电气工程与系统科学 2023-09-08 Su-Kai Chen , Hung-Lin Yen , Yu-Lun Liu , Min-Hung Chen , Hou-Ning Hu , Wen-Hsiao Peng , Yen-Yu Lin

The reconstruction of high dynamic range (HDR) images from multi-exposure low dynamic range (LDR) images in dynamic scenes presents significant challenges, especially in preserving and restoring information in oversaturated regions and…

计算机视觉与模式识别 · 计算机科学 2024-03-08 Huafeng Li , Zhenmei Yang , Yafei Zhang , Dapeng Tao , Zhengtao Yu

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

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