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Accurate stabilization of facial motion is essential for applications in photoreal avatar construction for 3D games, virtual reality, movies, and training data collection. For the latter, stabilization must work automatically for the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Mathieu Lamarre , Patrick Anderson , Étienne Danvoye

The puzzle of computer vision might find new challenging solutions when we realize that most successful methods are working at image level, which is remarkably more difficult than processing directly visual streams, just as happens in…

Computer Vision and Pattern Recognition · Computer Science 2018-07-18 Alessandro Betti , Marco Gori , Stefano Melacci

Since publication of the main contributions on the theory of kinetic roughening more than fifteen years ago, many works have been reported on surface growth or erosion that employ the framework of dynamic scaling. This interest was mainly…

Statistical Mechanics · Physics 2007-05-23 Rodolfo Cuerno , Luis Vazquez

Invariant descriptors of point and rigid-body motion trajectories have been proposed in the past as representative task models for motion recognition and generalization. Currently, no invariant descriptor exists for representing force…

This paper presents DreamDance, a novel character art animation framework capable of producing stable, consistent character and scene motion conditioned on precise camera trajectories. To achieve this, we re-formulate the animation task as…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Jiaxu Zhang , Xianfang Zeng , Xin Chen , Wei Zuo , Gang Yu , Guosheng Lin , Zhigang Tu

Mobile soft robots offer compelling applications in fields ranging from urban search and rescue to planetary exploration. A critical challenge of soft robotic control is that the nonlinear dynamics imposed by soft materials often result in…

Robotics · Computer Science 2020-11-26 Kyle Doney , Aikaterini Petridou , Jacob Karaul , Ali Khan , Geoffrey Liu , John Rieffel

Learning in MDPs with highly complex state representations is currently possible due to multiple advancements in reinforcement learning algorithm design. However, this incline in complexity, and furthermore the increase in the dimensions of…

Machine Learning · Computer Science 2023-06-12 Ezgi Korkmaz , Jonah Brown-Cohen

Humans can robustly follow a visual trajectory defined by a sequence of images (i.e. a video) regardless of substantial changes in the environment or the presence of obstacles. We aim at endowing similar visual navigation capabilities to…

Recent advances in diffusion models have greatly improved pose-driven character animation. However, existing methods are limited to spatially aligned reference-pose pairs with matched skeletal structures. Handling reference-pose…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Shijun Shi , Jing Xu , Zhihang Li , Chunli Peng , Xiaoda Yang , Lijing Lu , Kai Hu , Jiangning Zhang

The linearization of the equations of motion of a robotics system about a given state-input trajectory, including a controlled equilibrium state, is a valuable tool for model-based planning, closed-loop control, gain tuning, and state…

Robotics · Computer Science 2022-04-20 Martijn Bos , Silvio Traversaro , Daniele Pucci , Alessandro Saccon

In this paper, we address the challenge of generating temporally consistent videos with motion guidance. While many existing methods depend on additional control modules or inference-time fine-tuning, recent studies suggest that effective…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Xinyu Zhang , Zicheng Duan , Dong Gong , Lingqiao Liu

Portrait animation aims to generate photo-realistic videos from a single source image by reenacting the expression and pose from a driving video. While early methods relied on 3D morphable models or feature warping techniques, they often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Mallikarjun B. R. , Fei Yin , Vikram Voleti , Nikita Drobyshev , Maksim Lapin , Aaryaman Vasishta , Varun Jampani

This work proposes a novel and simple sequential learning strategy to train models on videos and texts for multimodal sentiment analysis. To estimate sentiment polarities on unseen out-of-distribution data, we introduce a multimodal model…

Machine Learning · Computer Science 2024-09-10 Xianbing Zhao , Lizhen Qu , Tao Feng , Jianfei Cai , Buzhou Tang

The puzzle of computer vision might find new challenging solutions when we realize that most successful methods are working at image level, which is remarkably more difficult than processing directly visual streams. In this paper, we claim…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Alessandro Betti , Marco Gori

Learning to predict agent motions with relationship reasoning is important for many applications. In motion prediction tasks, maintaining motion equivariance under Euclidean geometric transformations and invariance of agent interaction is a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Chenxin Xu , Robby T. Tan , Yuhong Tan , Siheng Chen , Yu Guang Wang , Xinchao Wang , Yanfeng Wang

Fast and precise motion control is important for industrial robots in manufacturing applications. However, some collaborative robots sacrifice precision for safety, particular for high motion speed. The performance degradation is caused by…

Robotics · Computer Science 2019-08-12 Shuyang Chen , John T. Wen

In this paper, we propose \textbf{CharacterShot}, a controllable and consistent 4D character animation framework that enables any individual designer to create dynamic 3D characters (i.e., 4D character animation) from a single reference…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Junyao Gao , Jiaxing Li , Wenran Liu , Yanhong Zeng , Fei Shen , Kai Chen , Yanan Sun , Cairong Zhao

As low-thrust space missions increase in prevalence, it is becoming increasingly important to design robust trajectories against unforeseen thruster outages or missed thrust events. Accounting for such events is particularly important in…

Optimization and Control · Mathematics 2025-06-18 Amlan Sinha , Ryne Beeson

Reinforcement learning is a general methodology of adaptive optimal control that has attracted much attention in various fields ranging from video game industry to robot manipulators. Despite its remarkable performance demonstrations, plain…

Dynamical Systems · Mathematics 2022-06-14 Pavel Osinenko , Grigory Yaremenko , Ilya Osokin

Application of the "hairy ball theorem" to the analysis of the surface instabilities inherent for liquid/vapor interfaces is reported. When a continuous tangential velocity field exists on the surface of the liquid sample which is…

Soft Condensed Matter · Physics 2015-03-25 Edward Bormashenko