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相关论文: Frequency Decoupling for Motion Magnification via …

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Video super-resolution (VSR) aims at restoring a video in low-resolution (LR) and improving it to higher-resolution (HR). Due to the characteristics of video tasks, it is very important that motion information among frames should be well…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Hongying Liu , Peng Zhao , Zhubo Ruan , Fanhua Shang , Yuanyuan Liu

In this paper, we study a new problem arising from the emerging MPEG standardization effort Video Coding for Machine (VCM), which aims to bridge the gap between visual feature compression and classical video coding. VCM is committed to…

图像与视频处理 · 电气工程与系统科学 2020-01-10 Sifeng Xia , Kunchangtai Liang , Wenhan Yang , Ling-Yu Duan , Jiaying Liu

We introduce multi-frequency vector diffusion maps (MFVDM), a new framework for organizing and analyzing high dimensional datasets. The new method is a mathematical and algorithmic generalization of vector diffusion maps (VDM) and other…

机器学习 · 计算机科学 2019-06-07 Yifeng Fan , Zhizhen Zhao

We propose DepthTCM, a physics-aware end-to-end framework for depth map compression. In our framework of DepthTCM, the high-bit depth map is first converted to a conventional 3-channel image representation losslessly using a method inspired…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Young-Seo Chang , Yatong An , Jae-Sang Hyun

Video Motion Magnification (VMM) reveals imperceptible dynamics but often suffers from structural inconsistencies under complex geometric transformations. Existing learning-based methods generally face a trade-off between the limited global…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Kecheng Han , Yuchen Zhang , Bingqing Liu , Boqiang Guo , Wenbin Zheng , Shiyuan Pei

Extremely Large Antenna Arrays (ELAA) operating at sub-terahertz frequencies introduce a regime where near-field Fresnel propagation and high-mobility carrier Doppler interact simultaneously, creating a four-dimensional signal space that…

信号处理 · 电气工程与系统科学 2026-03-24 Rahul Gulia

In computational anatomy, the Large Deformation Diffeomorphic Metric Mapping (LDDMM) framework has become a central tool for modeling smooth, invertible transformations between shapes such as curves or landmarks. In this paper, we extend…

微分几何 · 数学 2025-11-19 Rayane Mouhli , Thomas Pierron

Most deep learning methods for video frame interpolation consist of three main components: feature extraction, motion estimation, and image synthesis. Existing approaches are mainly distinguishable in terms of how these modules are…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Moritz Nottebaum , Stefan Roth , Simone Schaub-Meyer

Fourier ptychographic microscopy (FPM) is a recently developed computational imaging technique for wide-field, high-resolution microscopy with a high space-bandwidth product. It integrates the concepts of synthetic aperture and phase…

光学 · 物理学 2021-12-30 Chuanjian Zheng , Shaohui Zhang , Guocheng Zhou , Yao Hu , Qun Hao

One often lacks sufficient annotated samples for training deep segmentation models. This is in particular the case for less common imaging modalities such as Quantitative Susceptibility Mapping (QSM). It has been shown that deep models tend…

Recent video diffusion models have achieved impressive capabilities as large-scale generative world models. However, these models often struggle with fine-grained physical consistency, exhibiting physically implausible dynamics over time.…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Haoran Lu , Shang Wu , Jianshu Zhang , Maojiang Su , Guo Ye , Chenwei Xu , Lie Lu , Pranav Maneriker , Fan Du , Manling Li , Zhaoran Wang , Han Liu

Diffusion models achieve impressive performance in human motion generation. However, current approaches typically ignore the significance of frequency-domain information in capturing fine-grained motions within the latent space (e.g., low…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Chengjian Li , Xiangbo Shu , Qiongjie Cui , Yazhou Yao , Jinhui Tang

Accurate medical image segmentation requires effective modeling of both global anatomical structures and fine-grained boundary details. Recent state space models (e.g., Vision Mamba) offer efficient long-range dependency modeling. However,…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Fuhao Zhang , Lei Liu , Jialin Zhang , Ya-Nan Zhang , Nan Mu

Recent video diffusion models generate photorealistic, temporally coherent videos, yet they fall short as reliable world models for autonomous driving, where structured motion and physically consistent interactions are essential. Adapting…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Ahmad Rahimi , Valentin Gerard , Eloi Zablocki , Matthieu Cord , Alexandre Alahi

Classifier-free guidance (CFG) has become an essential component of modern conditional diffusion models. Although highly effective in practice, the underlying mechanisms by which CFG enhances quality, detail, and prompt alignment are not…

机器学习 · 计算机科学 2025-06-25 Seyedmorteza Sadat , Tobias Vontobel , Farnood Salehi , Romann M. Weber

Previous video object segmentation approaches mainly focus on using simplex solutions between appearance and motion, limiting feature collaboration efficiency among and across these two cues. In this work, we study a novel and efficient…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Ge-Peng Ji , Deng-Ping Fan , Keren Fu , Zhe Wu , Jianbing Shen , Ling Shao

Understanding and reconstructing the complex geometry and motion of dynamic scenes from video remains a formidable challenge in computer vision. This paper introduces D4RT, a simple yet powerful feedforward model designed to efficiently…

Many important physical phenomena involve subtle signals that are difficult to observe with the unaided eye, yet visualizing them can be very informative. Current motion magnification techniques can reveal these small temporal variations in…

计算机视觉与模式识别 · 计算机科学 2018-08-13 Weixuan Chen , Daniel McDuff

Multi-frame methods improve monocular depth estimation over single-frame approaches by aggregating spatial-temporal information via feature matching. However, the spatial-temporal feature leads to accuracy degradation in dynamic scenes. To…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Jiquan Zhong , Xiaolin Huang , Xiao Yu

We propose neural network layers that explicitly combine frequency and image feature representations and show that they can be used as a versatile building block for reconstruction from frequency space data. Our work is motivated by the…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Nalini M. Singh , Juan Eugenio Iglesias , Elfar Adalsteinsson , Adrian V. Dalca , Polina Golland