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The present paper proposes an encoder-decoder model for extracting the structures of human motions represented by frame-wise discrete features in a self-supervised manner. In the proposed method, features are extracted as codes in a motion…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Tetsuya Abe , Ryusuke Sagawa , Ko Ayusawa , Wataru Takano

Despite extensive research, time series classification and forecasting on noisy data remain highly challenging. The main difficulties lie in finding suitable mathematical concepts to describe time series and effectively separate noise from…

Machine Learning · Computer Science 2024-11-26 Chandrajit Bajaj , Minh Nguyen

Generating diverse and natural human motion is one of the long-standing goals for creating intelligent characters in the animated world. In this paper, we propose a self-supervised method for generating long-range, diverse and plausible…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Jingwei Xu , Huazhe Xu , Bingbing Ni , Xiaokang Yang , Xiaolong Wang , Trevor Darrell

This paper introduces the method of dynamic mode decomposition (DMD) for robustly separating video frames into background (low-rank) and foreground (sparse) components in real-time. The method is a novel application of a technique used for…

Computer Vision and Pattern Recognition · Computer Science 2014-05-01 Jacob Grosek , J. Nathan Kutz

This paper introduces an unsupervised compact architecture that can extract features and classify the contents of dynamic scenes from the temporal output of a neuromorphic asynchronous event-based camera. Event-based cameras are clock-less…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Germain Haessig , Ryad Benosman

Motion estimation is a fundamental step in dynamic medical image processing for the assessment of target organ anatomy and function. However, existing image-based motion estimation methods, which optimize the motion field by evaluating the…

Image and Video Processing · Electrical Eng. & Systems 2021-11-09 Yuyu Guo , Lei Bi , Dongming Wei , Liyun Chen , Zhengbin Zhu , Dagan Feng , Ruiyan Zhang , Qian Wang , Jinman Kim

Character posing is of interest in computer animation. It is difficult due to its dependence on inverse kinematics (IK) techniques and articulate property of human characters . To solve the IK problem, classical methods that rely on…

Graphics · Computer Science 2015-03-19 Ranch Y. Q. Lai , Pong C. Yuen , K. W. Lee , J. H. Lai

Dynamic Mode Decomposition (DMD) is a numerical method that seeks to fit timeseries data to a linear dynamical system. In doing so, DMD decomposes dynamic data into spatially coherent modes that evolve in time according to exponential…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Marco Mignacca , Simone Brugiapaglia , Jason J. Bramburger

In recent years, a large amount of multi-disciplinary research has been conducted on sparse models and their applications. In statistics and machine learning, the sparsity principle is used to perform model selection---that is,…

Computer Vision and Pattern Recognition · Computer Science 2014-12-09 Julien Mairal , Francis Bach , Jean Ponce

A compressive sensing method combined with decomposition of a matrix formed with image frames of a surveillance video into low rank and sparse matrices is proposed to segment the background and extract moving objects in a surveillance…

Computer Vision and Pattern Recognition · Computer Science 2013-02-11 Hong Jiang , Wei Deng , Zuowei Shen

Motion style transfer changes the style of a motion while retaining its content and is useful in computer animations and games. Contact is an essential component of motion style transfer that should be controlled explicitly in order to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Xiangjun Tang , Linjun Wu , He Wang , Yiqian Wu , Bo Hu , Songnan Li , Xu Gong , Yuchen Liao , Qilong Kou , Xiaogang Jin

Embodied trajectories, such as the executable motion sequences of robotic manipulators, underwater vehicles, and mobile robots, are a fundamental output of embodied AI. Modern generative models often treat them as a dense, monolithic signal…

Robotics · Computer Science 2026-05-25 Yan Tang , Yuanbo Tang , Tingyu Cao , Shaolun Huang , Yang Li

Semantic segmentation of motion capture sequences plays a key part in many data-driven motion synthesis frameworks. It is a preprocessing step in which long recordings of motion capture sequences are partitioned into smaller segments.…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Noshaba Cheema , Somayeh Hosseini , Janis Sprenger , Erik Herrmann , Han Du , Klaus Fischer , Philipp Slusallek

MR image sparsity/compressibility has been widely exploited for imaging acceleration with the development of compressed sensing. A sparsity-based approach to rigid-body motion correction is presented for the first time in this paper. A…

Computer Vision and Pattern Recognition · Computer Science 2013-02-04 Zai Yang , Cishen Zhang , Lihua Xie

Real-world objects perform complex motions that involve multiple independent motion components. For example, while talking, a person continuously changes their expressions, head, and body pose. In this work, we propose a novel method to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Rishubh Parihar , Raghav Magazine , Piyush Tiwari , R. Venkatesh Babu

Conventional methods for human motion synthesis are either deterministic or struggle with the trade-off between motion diversity and motion quality. In response to these limitations, we introduce MoFusion, i.e., a new…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Rishabh Dabral , Muhammad Hamza Mughal , Vladislav Golyanik , Christian Theobalt

Various neural network based methods are capable of anticipating human body motions from data for a short period of time. What these methods lack are the interpretability and explainability of the network and its results. We propose to use…

Machine Learning · Computer Science 2019-12-17 Kristina Enes , Hassan Errami , Moritz Wolter , Tim Krake , Bernhard Eberhardt , Andreas Weber , Jörg Zimmermann

Transferring the motion style from one animation clip to another, while preserving the motion content of the latter, has been a long-standing problem in character animation. Most existing data-driven approaches are supervised and rely on…

Graphics · Computer Science 2020-05-13 Kfir Aberman , Yijia Weng , Dani Lischinski , Daniel Cohen-Or , Baoquan Chen

Extracting coherent patterns is one of the standard approaches towards understanding spatio-temporal data. Dynamic mode decomposition (DMD) is a powerful tool for extracting coherent patterns, but the original DMD and most of its variants…

Machine Learning · Computer Science 2021-02-22 Naoya Takeishi , Keisuke Fujii , Koh Takeuchi , Yoshinobu Kawahara

Exploring the bridge between historical and future motion behaviors remains a central challenge in human motion prediction. While most existing methods incorporate a reconstruction task as an auxiliary task into the decoder, thereby…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Jiexin Wang , Yiju Guo , Bing Su