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In this paper, we present a novel tone mapping algorithm that can be used for displaying wide dynamic range (WDR) images on low dynamic range (LDR) devices. The proposed algorithm is mainly motivated by the logarithmic response and local…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Jie Yang , Ziyi Liu , Ulian Shahnovich , Orly Yadid-Pecht

Signals from different modalities each have their own combination algebra which affects their sampling processing. RGB is mostly linear; depth is a geometric signal following the operations of mathematical morphology. If a network obtaining…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Rick Groenendijk , Leo Dorst , Theo Gevers

In this study, we address the emerging necessity of converting Standard Dynamic Range Television (SDRTV) content into High Dynamic Range Television (HDRTV) in light of the limited number of native HDRTV content. A principal technical…

图像与视频处理 · 电气工程与系统科学 2024-10-24 Kepeng Xu , Li Xu , Gang He , Xianyun Wu , Zhiqiang Zhang , Wenxin Yu , Yunsong Li

Projecting images onto non-planar surfaces inevitably introduces geometric distortions that degrade visual quality. Traditional correction methods often require tedious manual calibration or structured light sequences to establish…

光学 · 物理学 2026-02-10 Kejin Peng , Jia Wei , Xiang Hao

Transparent and reflective objects in everyday environments pose significant challenges for depth sensors due to their unique visual properties, such as specular reflections and light transmission. These characteristics often lead to…

机器人学 · 计算机科学 2025-06-12 Guanghu Xie , Zhiduo Jiang , Yonglong Zhang , Yang Liu , Zongwu Xie , Baoshi Cao , Hong Liu

Deep diffeomorphic registration faces significant challenges for high-dimensional images, especially in terms of memory limits. Existing approaches either downsample original images, or approximate underlying transformations, or reduce…

图像与视频处理 · 电气工程与系统科学 2021-05-25 Ankita Joshi , Yi Hong

Existing deep convolutional neural networks have found major success in image deraining, but at the expense of an enormous number of parameters. This limits their potential application, for example in mobile devices. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2018-05-17 Xueyang Fu , Borong Liang , Yue Huang , Xinghao Ding , John Paisley

Monocular depth estimation is an essential task for scene understanding. The underlying structure of objects and stuff in a complex scene is critical to recovering accurate and visually-pleasing depth maps. Global structure conveys scene…

计算机视觉与模式识别 · 计算机科学 2019-07-16 Xiaotian Chen , Xuejin Chen , Zheng-Jun Zha

High Dynamic Range (HDR) video reconstruction aims to recover fine brightness, color, and details from Low Dynamic Range (LDR) videos. However, existing methods often suffer from color inaccuracies and temporal inconsistencies. To address…

图像与视频处理 · 电气工程与系统科学 2026-02-10 Yang Zhang , Zhangkai Ni , Wenhan Yang , Hanli Wang

The aim of image restoration is to recover high-quality images from distorted ones. However, current methods usually focus on a single task (\emph{e.g.}, denoising, deblurring or super-resolution) which cannot address the needs of…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Cheng Zhang , Yu Zhu , Qingsen Yan , Jinqiu Sun , Yanning Zhang

We propose a Dual-Stream Pyramid Registration Network (referred as Dual-PRNet) for unsupervised 3D medical image registration. Unlike recent CNN-based registration approaches, such as VoxelMorph, which explores a single-stream…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Miao Kang , Xiaojun Hu , Weilin Huang , Matthew R. Scott , Mauricio Reyes

Salient object detection (SOD) has been in the spotlight recently, yet has been studied less for high-resolution (HR) images. Unfortunately, HR images and their pixel-level annotations are certainly more labor-intensive and time-consuming…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Taehun Kim , Kunhee Kim , Joonyeong Lee , Dongmin Cha , Jiho Lee , Daijin Kim

Real depth super-resolution (DSR), unlike synthetic settings, is a challenging task due to the structural distortion and the edge noise caused by the natural degradation in real-world low-resolution (LR) depth maps. These defeats result in…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Jiayi Yuan , Haobo Jiang , Xiang Li , Jianjun Qian , Jun Li , Jian Yang

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

High-resolution radar range profile (RRP) is crucial for accurate target recognition and scene perception. To get a high-resolution RRP, many methods have been developed, such as multiple signal classification (MUSIC), orthogonal matching…

信号处理 · 电气工程与系统科学 2025-10-21 Ziwen Wang , Jianping Wang , Pucheng Li , Zegang Ding

It is very challenging to reconstruct a high dynamic range (HDR) from a low dynamic range (LDR) image as an ill-posed problem. This paper proposes a luminance attentive network named LANet for HDR reconstruction from a single LDR image. Our…

计算机视觉与模式识别 · 计算机科学 2021-09-15 Hanning Yu , Wentao Liu , Chengjiang Long , Bo Dong , Qin Zou , Chunxia Xiao

Bottom-up human pose estimation methods have difficulties in predicting the correct pose for small persons due to challenges in scale variation. In this paper, we present HigherHRNet: a novel bottom-up human pose estimation method for…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Bowen Cheng , Bin Xiao , Jingdong Wang , Honghui Shi , Thomas S. Huang , Lei Zhang

Long-term time series forecasting (LTSF) is hampered by the challenge of modeling complex dependencies that span multiple temporal scales and frequency resolutions. Existing methods, including Transformer and MLP-based models, often…

机器学习 · 计算机科学 2025-09-22 Qianyang Li , Xingjun Zhang , Shaoxun Wang , Jia Wei

High Dynamic Range (HDR) content creation has become an important topic for modern media and entertainment sectors, gaming and Augmented/Virtual Reality industries. Many methods have been proposed to recreate the HDR counterparts of input…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Hrishav Bakul Barua , Ganesh Krishnasamy , KokSheik Wong , Kalin Stefanov , Abhinav Dhall

In this paper, a novel inverse tone mapping method using a convolutional neural network (CNN) with LDR based learning is proposed. In conventional inverse tone mapping with CNNs, generated HDR images cannot have absolute luminance, although…

图像与视频处理 · 电气工程与系统科学 2019-03-05 Yuma Kinoshita , Hitoshi Kiya