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Journal articles on the topic 'Motion'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Park, Woojin, Don B. Chaffin, and Bernard J. Martin. "A Motion Modification Algorithm for Memory-Based Human Motion Simulation." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 46, no. 13 (2002): 1172–75. http://dx.doi.org/10.1177/154193120204601335.

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Simulating human motions in the virtual CAD world is important in the computerized ergonomic design of products and workplaces. The present study introduces a novel, memory-based approach for simulating realistic human motions and presents a motion modification algorithm. in this novel approach, realistic human motions are simulated by modifying existing motion samples stored in a motion database. The proposed motion modification algorithm was found to be able to simulate human motions accurately. The memory-based motion simulation approach has advantages over existing simulation models as it

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Lim, Dae-Young, Hyun-Jin Kwak, and Young-Jae Ryoo. "Motion Editing Tool to Create Dancing Motions of Humanoid Robot." International Journal of Humanoid Robotics 11, no. 04 (2014): 1442002. http://dx.doi.org/10.1142/s021984361442002x.

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In this paper, a motion editing tool to create dancing motions of a humanoid robot is proposed. In order to build performances or dancing of a humanoid robot, a motion editing tool to create specific motions is necessary. Especially, to generate more natural motions is required for a dancing robot. We proposed a motion editing tool and algorithm to create the natural motions. The proposed motion editing tool can create robot's motions composed of several steps which are captured from every joint while the robot plays. The motion editing tool generates the continuous motion interpolated between

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Kahveci̇, Derya, and Yusuf Yayli. "Persistent rigid-body motions on slant helices." International Journal of Geometric Methods in Modern Physics 16, no. 12 (2019): 1950193. http://dx.doi.org/10.1142/s0219887819501937.

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This paper reviews the persistent rigid-body motions and examines the geometric conditions of the persistence of some special frame motions on a slant helix. Unlike the Frenet–Serret motion on general helices, the Frenet–Serret motion on slant helices can be persistent. Moreover, even the adapted frame motion on slant helices can be persistent. This paper begins by explaining one-dimensional rigid-body motions and persistent motions. Then, it continues to present persistent frame motions in terms of their instantaneous twists and axode surfaces. Accordingly, the persistence of any frame motion

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Choi, Hee-Eun, and Jung-Il Jun. "Development of an Estimation Formula to Evaluate Mission Motion Suitability of Military Jackets." Applied Sciences 11, no. 19 (2021): 9129. http://dx.doi.org/10.3390/app11199129.

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We developed an estimation formula for mission motion suitability evaluation based on the general motion protocol to evaluate the motion suitability of a tracked vehicle crew jacket. Motion suitability evaluation was conducted for the 9 general motions and 12 mission motions among 27 tracked vehicle crew members who wore a tracked vehicle crew jacket. We conducted correlation and factor analyses on motions to extract the main mission motions, and a multiple regression analysis was performed on major mission motions using general motions as independent variables. As a result, two mission behavi

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Ichnowski, Jeffrey, Yahav Avigal, Vishal Satish, and Ken Goldberg. "Deep learning can accelerate grasp-optimized motion planning." Science Robotics 5, no. 48 (2020): eabd7710. http://dx.doi.org/10.1126/scirobotics.abd7710.

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Robots for picking in e-commerce warehouses require rapid computing of efficient and smooth robot arm motions between varying configurations. Recent results integrate grasp analysis with arm motion planning to compute optimal smooth arm motions; however, computation times on the order of tens of seconds dominate motion times. Recent advances in deep learning allow neural networks to quickly compute these motions; however, they lack the precision required to produce kinematically and dynamically feasible motions. While infeasible, the network-computed motions approximate the optimized results.

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Han, Bo, Hao Peng, Minjing Dong, Yi Ren, Yixuan Shen, and Chang Xu. "AMD: Autoregressive Motion Diffusion." Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 3 (2024): 2022–30. http://dx.doi.org/10.1609/aaai.v38i3.27973.

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Human motion generation aims to produce plausible human motion sequences according to various conditional inputs, such as text or audio. Despite the feasibility of existing methods in generating motion based on short prompts and simple motion patterns, they encounter difficulties when dealing with long prompts or complex motions. The challenges are two-fold: 1) the scarcity of human motion-captured data for long prompts and complex motions. 2) the high diversity of human motions in the temporal domain and the substantial divergence of distributions from conditional modalities, leading to a man

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Agrawal, Dhruv, Jakob Buhmann, Dominik Borer, Robert W. Sumner, and Martin Guay. "SKEL-Betweener: a Neural Motion Rig for Interactive Motion Authoring." ACM Transactions on Graphics 43, no. 6 (2024): 1–11. http://dx.doi.org/10.1145/3687941.

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Authoring 3D motions is a laborious process that requires manipulating and coordinating many control handles over time. Neural motion representations learned from large motion datasets have recently shown impressive capabilities in many motion completion tasks. However, current methods are not designed for interactive motion authoring workflows. The reasons being their requirement of a dense context of full poses, which takes considerable time to author, as well as their lack of joint-level controls for refinement. In this paper, we introduce a Neural Motion Rig called SKEL-Betweener, tailored

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Akber, Syed Muhammad Abrar, Sadia Nishat Kazmi, Syed Muhammad Mohsin, and Agnieszka Szczęsna. "Deep Learning-Based Motion Style Transfer Tools, Techniques and Future Challenges." Sensors 23, no. 5 (2023): 2597. http://dx.doi.org/10.3390/s23052597.

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In the fourth industrial revolution, the scale of execution for interactive applications increased substantially. These interactive and animated applications are human-centric, and the representation of human motion is unavoidable, making the representation of human motions ubiquitous. Animators strive to computationally process human motion in a way that the motions appear realistic in animated applications. Motion style transfer is an attractive technique that is widely used to create realistic motions in near real-time. motion style transfer approach employs existing captured motion data to

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Raudies, Florian, Ennio Mingolla, and Heiko Neumann. "A Model of Motion Transparency Processing with Local Center-Surround Interactions and Feedback." Neural Computation 23, no. 11 (2011): 2868–914. http://dx.doi.org/10.1162/neco_a_00193.

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Motion transparency occurs when multiple coherent motions are perceived in one spatial location. Imagine, for instance, looking out of the window of a bus on a bright day, where the world outside the window is passing by and movements of passengers inside the bus are reflected in the window. The overlay of both motions at the window leads to motion transparency, which is challenging to process. Noisy and ambiguous motion signals can be reduced using a competition mechanism for all encoded motions in one spatial location. Such a competition, however, leads to the suppression of multiple peak re

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10

Takahashi, Nobuko. "Effect of Spatial Configuration of Motion Signals on Motion Integration across Space." Swiss Journal of Psychology 63, no. 3 (2004): 173–82. http://dx.doi.org/10.1024/1421-0185.63.3.173.

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The present study examined the effect of the spatial configuration of local signals on motion integration across space. The perceived coherency was measured in different configurations of apertures and combinations of motion directions. The results showed the following. (1) Motion integration across separate apertures is affected by the spatial configuration of the apertures. The perceived coherency was highest when the apertures were arranged symmetrically with respect to the coherent direction. (2) Though the spatial configuration of apertures are the same, the assignment of each local motio

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Dong, Ran, Dongsheng Cai, and Soichiro Ikuno. "Motion Capture Data Analysis in the Instantaneous Frequency-Domain Using Hilbert-Huang Transform." Sensors 20, no. 22 (2020): 6534. http://dx.doi.org/10.3390/s20226534.

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Motion capture data are widely used in different research fields such as medical, entertainment, and industry. However, most motion researches using motion capture data are carried out in the time-domain. To understand human motion complexities, it is necessary to analyze motion data in the frequency-domain. In this paper, to analyze human motions, we present a framework to transform motions into the instantaneous frequency-domain using the Hilbert-Huang transform (HHT). The empirical mode decomposition (EMD) that is a part of HHT decomposes nonstationary and nonlinear signals captured from th

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Shu, Yong, Feng Shi, Wei Ran Duan, and Sheng Yi Li. "Compare Study between Planet Motion and Orbital Motion in CCOS." Advanced Materials Research 662 (February 2013): 595–98. http://dx.doi.org/10.4028/www.scientific.net/amr.662.595.

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In order to get a profound understanding of planet motion and orbital motion in CCOS (Computer Controlled Optical Surfacing), a compare study between them was conducted here. The material removals of two motions under the same conditions were simulated and the removal of planet motion was higher than that of orbital motion. The figuring abilities of two motions were also studied through the theory of cut-off frequency and the result showed that planet motion had a higher cut-off frequency. Then two figuring runs which employ the planet motion and the orbital motion were simulated. The converge

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Wang, Yulu, Fahui Zhu, and Yonghui Xie. "Numerical Study on the Effect of Non-Sinusoidal Motion on the Energy Extraction Performance of Parallel Foils." Applied Sciences 9, no. 3 (2019): 384. http://dx.doi.org/10.3390/app9030384.

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The effect of non-sinusoidal motion which influences the energy extraction performance of foil is considered in this paper. Two oscillation motions, the combined non-sinusoidal plunging and sinusoidal pitching motion, as well as the combined non-sinusoidal pitching and sinusoidal plunging motion, are selected to investigate the oscillation process of two-dimensional parallel foils numerically. The optimal oscillation motion and average power coefficient at different combined motions are gained. The effects of the plunging motion and pitching motion at different oscillation motions are analyzed

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14

Zhang, Sharon, Jiaju Ma, Jiajun Wu, Daniel Ritchie, and Maneesh Agrawala. "Editing Motion Graphics Video via Motion Vectorization and Transformation." ACM Transactions on Graphics 42, no. 6 (2023): 1–13. http://dx.doi.org/10.1145/3618316.

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Motion graphics videos are widely used in Web design, digital advertising, animated logos and film title sequences, to capture a viewer's attention. But editing such video is challenging because the video provides a low-level sequence of pixels and frames rather than higher-level structure such as the objects in the video with their corresponding motions and occlusions. We present a motion vectorization pipeline for converting motion graphics video into an SVG motion program that provides such structure. The resulting SVG program can be rendered using any SVG renderer (e.g. most Web browsers)

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15

Chen, Si Xi, Shu Chen, Jian De Lin, Jian Wei Li, and Xin Chen. ""The Seven Claps" of Quan-Zhou Chest-Clapping with Motion Capture." Applied Mechanics and Materials 311 (February 2013): 202–7. http://dx.doi.org/10.4028/www.scientific.net/amm.311.202.

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This paper focuses on the motion capture method of the certain variety of South China traditional folk dance, Quan-zhou Chest-clapping. The authors used Vicon Motion Capture system to capture the motion of “the seven claps”, the basic form of Quan-zhou Chest-clapping Dance, and optimized the capture procedures and acting standards for the clapping and certain motions’ capture. To process the motion data , the authors used the Motionanalysis system to obtain the six degrees of freedom of certain basic dance motions, by measuring the motions’ maximum and minimum values of linear displacements an

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Li, Jiaman, Jiajun Wu, and C. Karen Liu. "Object Motion Guided Human Motion Synthesis." ACM Transactions on Graphics 42, no. 6 (2023): 1–11. http://dx.doi.org/10.1145/3618333.

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Modeling human behaviors in contextual environments has a wide range of applications in character animation, embodied AI, VR/AR, and robotics. In real-world scenarios, humans frequently interact with the environment and manipulate various objects to complete daily tasks. In this work, we study the problem of full-body human motion synthesis for the manipulation of large-sized objects. We propose Object MOtion guided human MOtion synthesis (OMOMO), a conditional diffusion framework that can generate full-body manipulation behaviors from only the object motion. Since naively applying diffusion m

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17

Lee, Taeryung, Gyeongsik Moon, and Kyoung Mu Lee. "MultiAct: Long-Term 3D Human Motion Generation from Multiple Action Labels." Proceedings of the AAAI Conference on Artificial Intelligence 37, no. 1 (2023): 1231–39. http://dx.doi.org/10.1609/aaai.v37i1.25206.

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We tackle the problem of generating long-term 3D human motion from multiple action labels. Two main previous approaches, such as action- and motion-conditioned methods, have limitations to solve this problem. The action-conditioned methods generate a sequence of motion from a single action. Hence, it cannot generate long-term motions composed of multiple actions and transitions between actions. Meanwhile, the motion-conditioned methods generate future motions from initial motion. The generated future motions only depend on the past, so they are not controllable by the user's desired actions. W

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18

Kulbacki, Marek, Bartosz Jablonski, Ryszard Klempous, and Jakub Segen. "Learning from Examples and Comparing Models of Human Motion." Journal of Advanced Computational Intelligence and Intelligent Informatics 8, no. 5 (2004): 477–81. http://dx.doi.org/10.20965/jaciii.2004.p0477.

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This paper addresses a problem of creating character animations from motion capture clips. The main problem we want to solve is partition set of primitive motions into appropriate groups according to similarity between motions. We construct motion models to easier extract features of given motions and make animation process more flexible. Using these models we propose measure of discrepancy between motions. Moreover it normalizes length of motions and decreases high dimension of considered motion data, so clustering may take place in dimensionally reduced space. In addition we examine differen

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Yang, Jonghyun, Jeongjun Park, and Changwan Yu. "Accuracy Verification of 3D Motion Analysis System Using Smart-phone Monocular Camera." Korean Journal of Sport Science 32, no. 4 (2021): 464–71. http://dx.doi.org/10.24985/kjss.2021.32.4.464.

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PURPOSE This study aimed to verify the accuracy of three-dimensional (3D) motion data produced through artificial intelligence-based user motion recognition technology with images obtained using a smartphone monocular camera. This was done to explore the possibility of developing an application that can improve the reliability of the measurement of physical activity performing motions and feedback provision.METHODS To check the accuracy of the artificial intelligence-based 3D motion analysis system that utilized a semi-supervised learning method, a commercialized 3D infrared motion analysis sy

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Li, Peizhuo, Kfir Aberman, Zihan Zhang, Rana Hanocka, and Olga Sorkine-Hornung. "GANimator." ACM Transactions on Graphics 41, no. 4 (2022): 1–12. http://dx.doi.org/10.1145/3528223.3530157.

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We present GANimator, a generative model that learns to synthesize novel motions from a single, short motion sequence. GANimator generates motions that resemble the core elements of the original motion, while simultaneously synthesizing novel and diverse movements. Existing data-driven techniques for motion synthesis require a large motion dataset which contains the desired and specific skeletal structure. By contrast, GANimator only requires training on a single motion sequence, enabling novel motion synthesis for a variety of skeletal structures e.g. , bipeds, quadropeds, hexapeds, and more.

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Purnami, Ndaru Atmi. "Analisis Bifurkasi Persamaan Longitudinal pada Gerak Roket Tiga Dimensi Tipe RKX-Lapan." AVITEC 3, no. 2 (2021): 149. http://dx.doi.org/10.28989/avitec.v3i2.1060.

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This article discusses about longitudinal equation for the three dimensional rocket motion of RKX-Lapan. The RKX-Lapan’s rocket is guided rocket which was designed using two phases, boosting and sustaining. The rocket has six degrees of freedom movement. The freedom movements consists of three translational motions and three rotational motions which causess unstable rocket movement. Therefore, stable rocket motion system is needed. The rocket motion system is three dimensional of nonlinear equation, thus linearization process of rocket motion equation is requaired. One of this linearization pr

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Bex, Peter J., Andrew B. Metha, and Walter Makous. "Enhanced motion aftereffect for complex motions." Vision Research 39, no. 13 (1999): 2229–38. http://dx.doi.org/10.1016/s0042-6989(98)00329-0.

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Yu, Qing, Mikihiro Tanaka, and Kent Fujiwara. "ReMoGPT: Part-Level Retrieval-Augmented Motion-Language Models." Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 9 (2025): 9635–43. https://doi.org/10.1609/aaai.v39i9.33044.

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Generation of 3D human motion holds significant importance in the creative industry. While recent notable advances have been made in generating common motions, existing methods struggle to generate diverse and rare motions due to the complexity of motions and limited training data. This work introduces ReMoGPT, a unified motion-language generative model that solves a wide range of motion-related tasks by incorporating a multi-modal retrieval mechanism into the generation process to address the limitations of existing models, namely diversity and generalizability. We propose to focus on body-pa

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Luo, A. C. J., and Y. Guo. "Motion Switching and Chaos of a Particle in a Generalized Fermi-Acceleration Oscillator." Mathematical Problems in Engineering 2009 (2009): 1–40. http://dx.doi.org/10.1155/2009/298906.

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Dynamic behaviors of a particle (or a bouncing ball) in a generalized Fermi-acceleration oscillator are investigated. The motion switching of a particle in the Fermi-oscillator causes the complexity and unpredictability of motion. Thus, the mechanism of motion switching of a particle in such a generalized Fermi-oscillator is studied through the theory of discontinuous dynamical systems, and the corresponding analytical conditions for the motion switching are developed. From solutions of linear systems in subdomains, four generic mappings are introduced, and mapping structures for periodic moti

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Jing, Beibei, Youjia Zhang, Zikai Song, Junqing Yu, and Wei Yang. "AMD: Anatomical Motion Diffusion with Interpretable Motion Decomposition and Fusion." Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 3 (2024): 2643–51. http://dx.doi.org/10.1609/aaai.v38i3.28042.

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Generating realistic human motion sequences from text descriptions is a challenging task that requires capturing the rich expressiveness of both natural language and human motion. Recent advances in diffusion models have enabled significant progress in human motion synthesis. However, existing methods struggle to handle text inputs that describe complex or long motions. In this paper, we propose the Adaptable Motion Diffusion (AMD) model, which leverages a Large Language Model (LLM) to parse the input text into a sequence of concise and interpretable anatomical scripts that correspond to the t

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Yoshida, Eiichi, Satoshi Murata, Akiya Kamimura, Kohji Tomita, Haruhisa Kurokawa, and Shigeru Kokaji. "Motion Generation for a Modular Robot." Journal of Robotics and Mechatronics 14, no. 2 (2002): 177–85. http://dx.doi.org/10.20965/jrm.2002.p0177.

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We discuss motion generation of a homogeneous modular robot called a Modular Transformer (M-TRAN). Modules are designed to be self-reconfigurable so a collection of modules can transform itself into a robotic structure. The motion generation of the self-reconfigurable robot presents a computationally difficult problem due to the many combinatorial possibilities for the module configuration, even though the module itself is simple, with 2 degrees of freedom. We describe a motion generation for a class of multimodule structures based on a motion planner and a motion scheduler. The motion planner

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Xu, Jingtong. "Character Motion Synthesis: A Survey." Highlights in Science, Engineering and Technology 118 (November 23, 2024): 171–78. http://dx.doi.org/10.54097/rc042447.

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Character Motion Synthesis is a huge cost when it comes to film, game, and design productions using traditional methods of motion synthesis. However, there are newly designed ways to generate motions, which are efficient and economical compared to traditional methods. This paper presents an overview of different types of novel methods to synthesize motions. This paper will introduce Audio-Driven and Music-Driven Motion Synthesis, Generative Models and Frameworks for Motion Synthesis, Human and Object Interaction. Character and Pet Motion Synthesis, Grasp and Hand Object Interactions, and Motio

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Lee, Byungseok, Donghwe Lee, and Seongah Chin. "Structural Motion Grammar for Universal Use of Leap Motion: Amusement and Functional Contents Focused." Journal of Sensors 2018 (2018): 1–15. http://dx.doi.org/10.1155/2018/6073786.

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Motions using Leap Motion controller are not standardized while the use of it is spreading in media contents. Each content defines its own motions, thereby creating confusion for users. Therefore, to alleviate user inconvenience, this study categorized the commonly used motion by Amusement and Functional Contents and defined the Structural Motion Grammar that can be universally used based on the classification. To this end, the Motion Lexicon was defined, which is a fundamental motion vocabulary, and an algorithm that enables real-time recognition of Structural Motion Grammar was developed. Mo

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Choi, Woong, Naoki Hashimoto, Ross Walker, Kozaburo Hachimura, and Makoto Sato. "Generation of Character Motion by Using Reactive Motion Capture System with Force Feedback." Journal of Advanced Computational Intelligence and Intelligent Informatics 12, no. 2 (2008): 116–24. http://dx.doi.org/10.20965/jaciii.2008.p0116.

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Creating reactive motions with conventional motion capture systems is difficult because of the different task environment required. To overcome this drawback, we developed a reactive motion capture system that combines conventional motion capture system with force feedback and a human-scale virtual environment. Our objective is to make animation with reactive motion data generated from the interaction with force feedback and the virtual environment, using the fact that a person’s motions in the real world can be represented by the reactions of the person to real objects. In this paper we prese

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Kawamura, Hidenori, Hisao Kadota, Masahito Yamamoto, Toshihiko Takaya, and Azuma Ohuchi. "Motion Design for Indoor Blimp Robot with PID Controller." Journal of Robotics and Mechatronics 17, no. 5 (2005): 500–508. http://dx.doi.org/10.20965/jrm.2005.p0500.

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We report on motion design for indoor applications. Blimp robots have potential applications in monitoring, surveillance, overhead advertising, and entertainment. Since blimps are greatly influenced by airstreams and inertia during movement, researchers are widely studying control design focusing on basic motions such as hovering, rotation, and straight-line motion. We focused on motions attained by combining basic motions in motion design because different motions derived for applications are achievable by continuously combining basic motions. The results of experiments demonstrated that diff

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Noguchi, Mika, Masato Yamada, and Hideyuki Sawada. "Analysis of different self-propulsion types of oil droplets based on electrostatic interaction effects." RSC Advances 12, no. 29 (2022): 18354–62. http://dx.doi.org/10.1039/d2ra02076a.

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We found that the correlated motion of two oil droplets was classified into three self-propelled motions (follow-up motion, parallel motion, and repulsive motion) depending on the pH of the aqueous solution.

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Li, Hai, Hwa Jen Yap, and Selina Khoo. "Motion Classification and Features Recognition of a Traditional Chinese Sport (Baduanjin) Using Sampled-Based Methods." Applied Sciences 11, no. 16 (2021): 7630. http://dx.doi.org/10.3390/app11167630.

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This study recognized the motions and assessed the motion accuracy of a traditional Chinese sport (Baduanjin), using the data from the inertial sensor measurement system (IMU) and sampled-based methods. Fifty-three participants were recruited in two batches to participate in the study. Motion data of participants practicing Baduanjin were captured by IMU. By extracting features from motion data and benchmarking with the teacher’s assessment of motion accuracy, this study verifies the effectiveness of assessment on different classifiers for motion accuracy of Baduanjin. Moreover, based on the e

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Phan, Gia-Hoang, Clint Hansen, Paolo Tommasino, Asif Hussain, Domenico Formica, and Domenico Campolo. "A Complementary Filter Design on SE(3) to Identify Micro-Motions during 3D Motion Tracking." Sensors 20, no. 20 (2020): 5864. http://dx.doi.org/10.3390/s20205864.

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In 3D motion capture, multiple methods have been developed in order to optimize the quality of the captured data. While certain technologies, such as inertial measurement units (IMU), are mostly suitable for 3D orientation estimation at relatively high frequencies, other technologies, such as marker-based motion capture, are more suitable for 3D position estimations at a lower frequency range. In this work, we introduce a complementary filter that complements 3D motion capture data with high-frequency acceleration signals from an IMU. While the local optimization reduces the error of the motio

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Luo, Hongliang, Wei Xi, and Daniel Tang. "MLUG: Bootstrapping Language-Motion Pre-Training for Unified Motion-Language Understanding and Generation." Sensors 24, no. 22 (2024): 7354. http://dx.doi.org/10.3390/s24227354.

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In the realm of computer vision and animation, the generation of human motion from textual descriptions represents a frontier of significant challenge and potential. This paper introduces MLUG, a groundbreaking framework poised to transform motion synthesis by harnessing the power of vision–language pre-training techniques. MLUG addresses the nuanced challenge of creating semantically rich, physically plausible, and emotionally expressive human motions through a novel integration of a unimodal encoder with motion–text contrastive loss, a motion-grounded text encoder, a motion-grounded motion d

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Balasubramanyam, Adithya, Ashok Kumar Patil, Bharatesh Chakravarthi, Jae Yeong Ryu, and Young Ho Chai. "Motion-Sphere: Visual Representation of the Subtle Motion of Human Joints." Applied Sciences 10, no. 18 (2020): 6462. http://dx.doi.org/10.3390/app10186462.

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Understanding and differentiating subtle human motion over time as sequential data is challenging. We propose Motion-sphere, which is a novel trajectory-based visualization technique, to represent human motion on a unit sphere. Motion-sphere adopts a two-fold approach for human motion visualization, namely a three-dimensional (3D) avatar to reconstruct the target motion and an interactive 3D unit sphere, that enables users to perceive subtle human motion as swing trajectories and color-coded miniature 3D models for twist. This also allows for the simultaneous visual comparison of two motions.

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Etemadpour, Ronak, and Angus Graeme Forbes. "Density-based motion." Information Visualization 16, no. 1 (2016): 3–20. http://dx.doi.org/10.1177/1473871615606187.

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A common strategy for encoding multidimensional data for visual analysis is to use dimensionality reduction techniques that project data from higher dimensions onto a lower-dimensional space. This article examines the use of motion to retain an accurate representation of the point density of clusters that might otherwise be lost when a multidimensional dataset is projected into a two-dimensional space. Specifically, we consider different types of density-based motion, where the magnitude of the motion is directly related to the density of the clusters. We investigate how users interpret motion

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Choi, Young-Ju, Dong-San Jun, Won-Sik Cheong, and Byung-Gyu Kim. "Design of Efficient Perspective Affine Motion Estimation/Compensation for Versatile Video Coding (VVC) Standard." Electronics 8, no. 9 (2019): 993. http://dx.doi.org/10.3390/electronics8090993.

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The fundamental motion model of the conventional block-based motion compensation in High Efficiency Video Coding (HEVC) is a translational motion model. However, in the real world, the motion of an object exists in the form of combining many kinds of motions. In Versatile Video Coding (VVC), a block-based 4-parameter and 6-parameter affine motion compensation (AMC) is being applied. In natural videos, in the majority of cases, a rigid object moves without any regularity rather than maintains the shape or transform with a certain rate. For this reason, the AMC still has a limit to compute compl

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Kim, Seon-Jae, and Youn-Sik Park. "Self-motion utilization for reducing vibration of a structurally flexible redundant robot manipulator system." Robotica 16, no. 6 (1998): 669–77. http://dx.doi.org/10.1017/s0263574798000770.

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This paper focuses on overcoming the problem of tracking control in structurally flexible redundant manipulators by utilizing their self-motion capabilities. In the proposed algorithm, the self-motion is evaluated in order to nullify the dominant modal force of flexural motion that is induced by a rigid body motion.The flexure motions of manipulators, which are induced by joint motion, cause undesired inaccuracy in end-effector tracking. In-plath planning states, joint trajectories are so designed as not to excite but to damp out the flexure motions. The self-motion, inherent in redundant mani

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Ishiwata, Tetsuya. "Motion of spiral-shaped polygonal curves by nonlinear crystalline motion with a rotating tip motion." Mathematica Bohemica 140, no. 2 (2015): 111–19. http://dx.doi.org/10.21136/mb.2015.144318.

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Gao, Quanfu, and Xingxiao Cao. "The Stick-Slip Vibration and Bifurcation of a Vibro-Impact System with Dry Friction." Open Mechanical Engineering Journal 8, no. 1 (2014): 308–13. http://dx.doi.org/10.2174/1874155x01408010308.

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In this paper, the periodic motion, bifurcation and chatter of two-degree-of-freedom vibratory system with dry friction and clearance were studied. Slip-stick motion and the impact of system motions were analyzed and numerical simulations were also carried out. The results showed that the system possesses rich dynamics characterized by periodic motion, stick-slip-impact motion, quasi-periodic motion and chaotic attractors, and the routs from periodic motions to chaos observed via Hof bifurcation or period-doubling bifurcation. Furthermore, it was found that there exists the chatter phenomena i

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Song, Seok Goo, Mathieu Causse, and Jeff Bayless. "Sensitivity Analysis of the Interfrequency Correlation of Synthetic Ground Motions to Pseudodynamic Source Models." Seismological Research Letters 92, no. 1 (2020): 301–13. http://dx.doi.org/10.1785/0220200181.

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Abstract Given the deficiency of recorded strong ground-motion data, it is important to understand the effects of earthquake rupture processes on near-source ground-motion characteristics and to develop physics-based ground-motion simulation methods for advanced seismic hazard assessments. Recently, the interfrequency correlation of ground motions has become an important element of ground-motion predictions. We investigate the effect of pseudodynamic source models on the interfrequency correlation of ground motions by simulating a number of ground-motion waveforms for the 1994 Northridge, Cali

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Wang, Y. Z. "Motion and stability of caisson breakwaters under breaking wave impact." Canadian Journal of Civil Engineering 28, no. 6 (2001): 960–68. http://dx.doi.org/10.1139/l01-040.

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The possible motions of caisson breakwaters under dynamic load excitation include vibrating motion, vibratingsliding motion, and vibratingrocking motion. Three models are presented in this paper and are used to simulate the histories of vibratingslidingrocking motions of caissons under breaking wave impact. The effect of the dynamic characteristics of the caissonfoundation system and the motions on the displacement, rotation, sliding force, and overturning moment of caissons are investigated. It is shown that the sliding force of the caisson is different from the breaking wave force direc

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Hoang, Nhat M., Kehong Gong, Chuan Guo, and Michael Bi Mi. "MotionMix: Weakly-Supervised Diffusion for Controllable Motion Generation." Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 3 (2024): 2157–65. http://dx.doi.org/10.1609/aaai.v38i3.27988.

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Controllable generation of 3D human motions becomes an important topic as the world embraces digital transformation. Existing works, though making promising progress with the advent of diffusion models, heavily rely on meticulously captured and annotated (e.g., text) high-quality motion corpus, a resource-intensive endeavor in the real world. This motivates our proposed MotionMix, a simple yet effective weakly-supervised diffusion model that leverages both noisy and unannotated motion sequences. Specifically, we separate the denoising objectives of a diffusion model into two stages: obtaining

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Zhao, Guo Hui, Wen Hua Zhang, and Jian Hui Zhao. "Study on Seismic Response and Countermeasures of Long Span Cable-Stayed Bridge under Long Period Ground Motion." Applied Mechanics and Materials 71-78 (July 2011): 3841–44. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.3841.

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Long period ground motion has great influence on long period structures such as large oil tank, high-rise building and long span bridge. In this paper, a long span cable-stayed bridge is taken as an example to study the seismic response of long period structure under long period ground motions and conventional ground motions by using nonlinear dynamic time history method. It is shown that although the peak acceleration of the long period ground motions are no more than half of conventional ground motions, the displacement and force response of the bridge at key points under long period ground

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Li, Hai, Selina Khoo, and Hwa Jen Yap. "Implementation of Sequence-Based Classification Methods for Motion Assessment and Recognition in a Traditional Chinese Sport (Baduanjin)." International Journal of Environmental Research and Public Health 19, no. 3 (2022): 1744. http://dx.doi.org/10.3390/ijerph19031744.

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This study aimed to assess the motion accuracy of Baduanjin and recognise the motions of Baduanjin based on sequence-based methods. Motion data of Baduanjin were measured by the inertial sensor measurement system (IMU). Fifty-four participants were recruited to capture motion data. Based on the motion data, various sequence-based methods, namely dynamic time warping (DTW) combined with classifiers, hidden Markov model (HMM), and recurrent neural networks (RNNs), were applied to assess motion accuracy and recognise the motions of Baduanjin. To assess motion accuracy, the scores for motion accur

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Chou, Jui-Ching. "Effects of Vertical Motion on Uplift of Underground Structure Induced by Soil Liquefaction." Applied Sciences 14, no. 12 (2024): 5098. http://dx.doi.org/10.3390/app14125098.

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The uplift of underground structures induced by soil liquefaction can damage underground structure systems. Numerical simulations have shown that uplift is positively correlated with the energy of horizontal input motion. However, the effects of vertical input motion on uplift have not been studied comprehensively in the past. Previous studies on the vertical motion concluded that the effects of vertical motion on uplift depend on the overall characteristics of earthquake motion. These motion characteristics have only been studied separately in previous studies. A comprehensive study to explor

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Emadi, Azadeh. "Motion within Motion." Leonardo 49, no. 5 (2016): 459. http://dx.doi.org/10.1162/leon_a_01299.

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Yang, Zirui, Zhongwen Luo, Zhengrui Wang, and Yuanyuan Liu. "Arbitrary Motion Style Transfer via Contrastive Learning." Applied Sciences 15, no. 4 (2025): 1817. https://doi.org/10.3390/app15041817.

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In recent years, significant progress has been made in arbitrary motion style transfer. However, many existing methods primarily focus on end-to-end processes and overlook the differences and similarities among generated motions, thus failing to fully leverage style information. To address this limitation, we employ contrastive learning to bring generated motions closer to input motions and further away from others. This enables the model to construct better motion representations and optimize the quality of motion stylization. Additionally, existing methods often struggle to recognize differe

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Li, Bo, Qinghui Lai, Endong Guo, Chenxi Mao, and Xiaofei Li. "Determining the Optimal Scalar Intensity Measure of Floor Communication Towers." Shock and Vibration 2022 (February 23, 2022): 1–12. http://dx.doi.org/10.1155/2022/6347334.

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Various structural types and ground motion characteristics lead to distinct intensity measures of structural seismic performance. For the lattice high-rise steel structure of communication towers, determining the intensity measures to adjust ground motion is critical. Additionally, a crucial problem is whether the ground motion intensity parameters of pulse-like ground motion and ordinary ground motion are consistent. In this study, a standard floor four-leg angle steeled communication tower was considered the study object, and 50 pulse-like ground motions and 50 ordinary ground motions were i

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Georgiou, I. T., and I. B. Schwartz. "Slaving the In-Plane Motions of a Nonlinear Plate to Its Flexural Motions: An Invariant Manifold Approach." Journal of Applied Mechanics 64, no. 1 (1997): 175–82. http://dx.doi.org/10.1115/1.2787270.

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We show that the in-plane motions of a nonlinear isotropic plate can be decoupled from its transverse motions. We demonstrate this decoupling by showing analytically and numerically the existence of a global nonlinear invariant manifold in the phase space of three nonlinearly coupled fundamental oscillators describing the amplitudes of the coupled fundamental modes. The invariant manifold carries a continuum of slow periodic motions. In particular, for any motion on the slow invariant manifold, the transverse oscillator executes a periodic motion and it slaves the in-plane oscillators into per

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