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相关论文: Quaternion-based dynamic mode decomposition for ba…

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Despite the advances in the field of generative models in computer vision, video stabilization still lacks a pure regressive deep-learning-based formulation. Deep video stabilization is generally formulated with the help of explicit motion…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Muhammad Kashif Ali , Sangjoon Yu , Tae Hyun Kim

We introduce the optimized dynamic mode decomposition algorithm for constructing an adaptive and computationally efficient reduced order model and forecasting tool for global atmospheric chemistry dynamics. By exploiting a low-dimensional…

机器学习 · 计算机科学 2024-04-22 Meghana Velegar , Christoph Keller , J. Nathan Kutz

In this paper a quaternion approach of enhancement method is proposed in which color in the image is considered as a single entity. This new method is referred as the alpha-rooting method of color image enhancement by the two-dimensional…

图像与视频处理 · 电气工程与系统科学 2018-07-24 Artyom M. Grigoryan , Aparna John , Sos S. Agaian

This paper presents a machine-learning-enhanced longitudinal scanline method to extract vehicle trajectories from high-angle traffic cameras. The Dynamic Mode Decomposition (DMD) method is applied to extract vehicle strands by decomposing…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Tianya T. Zhang , Peter J. Jin

Video diffusion models (DMs) have enabled high-quality video synthesis. Yet, their substantial computational and memory demands pose serious challenges to real-world deployment, even on high-end GPUs. As a commonly adopted solution,…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Yushi Huang , Ruihao Gong , Jing Liu , Yifu Ding , Chengtao Lv , Haotong Qin , Jun Zhang

Reconstructing human dynamic vision from brain activity is a challenging task with great scientific significance. Although prior video reconstruction methods have made substantial progress, they still suffer from several limitations,…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Yizhuo Lu , Changde Du , Chong Wang , Xuanliu Zhu , Liuyun Jiang , Xujin Li , Huiguang He

We propose the first approach for the decomposition of a monocular color video into direct and indirect illumination components in real time. We retrieve, in separate layers, the contribution made to the scene appearance by the scene…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Abhimitra Meka , Mohammad Shafiei , Michael Zollhoefer , Christian Richardt , Christian Theobalt

Color image restoration methods typically represent images as vectors in Euclidean space or combinations of three monochrome channels. However, they often overlook the correlation between these channels, leading to color distortion and…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Yu Guo , Guoqing Chen , Tieyong Zeng , Qiyu Jin , Michael Kwok-Po Ng

Recently, several spatial-temporal memory-based methods have verified that storing intermediate frames and their masks as memory are helpful to segment target objects in videos. However, they mainly focus on better matching between the…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Yong Liu , Ran Yu , Fei Yin , Xinyuan Zhao , Wei Zhao , Weihao Xia , Yujiu Yang

This paper presents a robust filter called quaternion Hardy filter (QHF) for color image edge detection. The QHF can be capable of color edge feature enhancement and noise resistance. It is flexible to use QHF by selecting suitable…

信号处理 · 电气工程与系统科学 2020-08-12 Wenshan Bi , Dong Cheng , Kit Ian Kou

Dynamic Mode Decomposition (DMD) is a useful tool to effectively extract the dominant dynamic flow structure from a unsteady flow field. However, DMD requires massive computational resources with respect to memory consumption and the usage…

流体动力学 · 物理学 2017-04-03 Daiki Matsumoto , Thomas Indinger

Egocentric video is crucial for next-generation 4D scene reconstruction, with applications in AR/VR and embodied AI. However, reconstructing dynamic first-person scenes is challenging due to complex ego-motion, occlusions, and hand-object…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Tingxi Chen , Zhengxue Cheng , Houqiang Zhong , Su Wang , Rong Xie , Li Song

Diffusion model-based approaches recently achieved re-markable success in MRI reconstruction, but integration into clinical routine remains challenging due to its time-consuming convergence. This phenomenon is partic-ularly notable when…

图像与视频处理 · 电气工程与系统科学 2024-11-07 Yu Guan , Qinrong Cai , Wei Li , Qiuyun Fan , Dong Liang , Qiegen Liu

Neural networks in the real domain have been studied for a long time and achieved promising results in many vision tasks for recent years. However, the extensions of the neural network models in other number fields and their potential…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Xuanyu Zhu , Yi Xu , Hongteng Xu , Changjian Chen

The Dynamic Mode Decomposition (DMD) and the more general Extended DMD (EDMD) are powerful tools for computational analysis of dynamical systems in data-driven scenarios. They are built on the theoretical foundation of the Koopman…

数值分析 · 数学 2026-04-06 Zlatko Drmač , Ela Đimoti

We present a method that tackles the challenge of predicting color and depth behind the visible content of an image. Our approach aims at building up a Layered Depth Image (LDI) from a single RGB input, which is an efficient representation…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Helisa Dhamo , Nassir Navab , Federico Tombari

In recent years, display intensity and contrast have increased considerably. Many displays support high dynamic range (HDR) and 10-bit color depth. Since high bit-depth is an emerging technology, video content is still largely shot and…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Nickolay Safonov , Dmitriy Vatolin

The depth completion task is a critical problem in autonomous driving, involving the generation of dense depth maps from sparse depth maps and RGB images. Most existing methods employ a spatial propagation network to iteratively refine the…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Ming Yuan , Chuang Zhang , Lei He , Qing Xu , Jianqiang Wang

This paper introduces a novel methodology of adapting the representation of videos based on the dynamics of their scene content variation. In particular, we demonstrate how the clustering of dynamic mode decomposition eigenvalues can be…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Owen T. Huber , Raghu G. Raj , Tianyu Chen , Zacharie I. Idriss

In this work, we demonstrate how physical principles -- such as symmetries, invariances, and conservation laws -- can be integrated into the dynamic mode decomposition (DMD). DMD is a widely-used data analysis technique that extracts…