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Mapping Low Dynamic Range (LDR) images with different exposures to High Dynamic Range (HDR) remains nontrivial and challenging on dynamic scenes due to ghosting caused by object motion or camera jitting. With the success of Deep Neural…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Qingsen Yan , Weiye Chen , Song Zhang , Yu Zhu , Jinqiu Sun , Yanning Zhang

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

As an important and practical way to obtain high dynamic range (HDR) video, HDR video reconstruction from sequences with alternating exposures is still less explored, mainly due to the lack of large-scale real-world datasets. Existing…

计算机视觉与模式识别 · 计算机科学 2024-05-02 Yong Shu , Liquan Shen , Xiangyu Hu , Mengyao Li , Zihao Zhou

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

Event cameras are innovative neuromorphic sensors that asynchronously capture the scene dynamics. Due to the event-triggering mechanism, such cameras record event streams with much shorter response latency and higher intensity sensitivity…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Yunhao Zou , Ying Fu , Tsuyoshi Takatani , Yinqiang Zheng

We introduce an approach for the real-time (2Hz) creation of a dense map and alignment of a moving robotic agent within that map by rendering using a Graphics Processing Unit (GPU). This is done by recasting the scan alignment part of the…

计算机视觉与模式识别 · 计算机科学 2017-02-23 Julian Ryde , Xuchu , Ding

Modern displays nowadays possess the capability to render video content with a high dynamic range (HDR) and an extensive color gamut .However, the majority of available resources are still in standard dynamic range (SDR). Therefore, we need…

图像与视频处理 · 电气工程与系统科学 2024-05-14 Siyuan Tian , Hao Wang , Yiren Rong , Junhao Wang , Renjie Dai , Zhengxiao He

In recent years, consumer-level depth cameras have been adopted for various applications. However, they often produce depth maps at only a moderately high frame rate (approximately 30 frames per second), preventing them from being used for…

图形学 · 计算机科学 2018-11-06 Ming-Ze Yuan , Lin Gao , Hongbo Fu , Shihong Xia

We present a highly parallel method for accurate and efficient variational deformable 3D image registration on a consumer-grade graphics processing unit (GPU). We build on recent matrix-free variational approaches and specialize the…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Daniel Budelmann , Lars König , Nils Papenberg , Jan Lellmann

In this paper, we propose a novel deep neural network model that reconstructs a high dynamic range (HDR) image from a single low dynamic range (LDR) image. The proposed model is based on a convolutional neural network composed of dilated…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Siyeong Lee , Gwon Hwan An , Suk-Ju Kang

Merging multi-exposure images is a common approach for obtaining high dynamic range (HDR) images, with the primary challenge being the avoidance of ghosting artifacts in dynamic scenes. Recent methods have proposed using deep neural…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Zhilu Zhang , Haoyu Wang , Shuai Liu , Xiaotao Wang , Lei Lei , Wangmeng Zuo

Ray tracing is a technique for generating an image by tracing the path of light through pixels in an image plane and simulating the effects of high-quality global illumination at a heavy computational cost. Because of the high computation…

图形学 · 计算机科学 2015-04-14 Yutong Qin , Jianbiao Lin , Xiang Huang

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

The Event Horizon Telescope (EHT) has recently released high-resolution images of accretion flows onto two supermassive black holes. Our physical understanding of these images depends on accuracy and precision of numerical models of plasma…

天体物理仪器与方法 · 物理学 2023-03-08 Monika Moscibrodzka , Aristomenis Yfantis

High Dynamic Range (HDR) content (i.e., images and videos) has a broad range of applications. However, capturing HDR content from real-world scenes is expensive and time-consuming. Therefore, the challenging task of reconstructing visually…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Hrishav Bakul Barua , Kalin Stefanov , KokSheik Wong , Abhinav Dhall , Ganesh Krishnasamy

Reconstructing high dynamic range (HDR) images from low dynamic range (LDR) bursts plays an essential role in the computational photography. Impressive progress has been achieved by learning-based algorithms which require LDR-HDR image…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Wei Jiang , Jiahao Cui , Yizheng Wu , Zhan Peng , Zhiyu Pan , Zhiguo Cao

In the last few years, several deep learning models, especially Generative Adversarial Networks have received a lot of attention for the task of Single Image Super-Resolution (SISR). These methods focus on building an end-to-end framework,…

图像与视频处理 · 电气工程与系统科学 2020-10-12 Vibhu Bhatia , Yatender Kumar

Avoiding the introduction of ghosts when synthesising LDR images as high dynamic range (HDR) images is a challenging task. Convolutional neural networks (CNNs) are effective for HDR ghost removal in general, but are challenging to deal with…

计算机视觉与模式识别 · 计算机科学 2023-04-24 Fangfang Zhou , Dan Zhang , Zhenming Fu

High-dynamic-range (HDR) photography involves fusing a bracket of images taken at different exposure settings in order to compensate for the low dynamic range of digital cameras such as the ones used in smartphones. In this paper, a method…

计算机视觉与模式识别 · 计算机科学 2020-04-23 Reza Pourreza , Nasser Kehtarnavaz

Panoramic video is a sort of video recorded at the same point of view to record the full scene. With the development of video surveillance and the requirement for 3D converged video surveillance in smart cities, CPU and GPU are required to…

计算机视觉与模式识别 · 计算机科学 2018-10-23 Chengyao Du , Jingling Yuan , Jiansheng Dong , Lin Li , Mincheng Chen , Tao Li