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We present a framework of elastic locomotion, which allows users to enliven an elastic body to produce interesting locomotion by prescribing its high-level kinematics. We formulate this problem as an inverse simulation problem and seek the…

Graphics · Computer Science 2024-05-24 Siyuan Shen , Tianjia Shao , Kun Zhou , Chenfanfu Jiang , Sheldon Andrews , Victor Zordan , Yin Yang

Linear attention mechanisms have emerged as promising alternatives to softmax attention, offering linear-time complexity during inference. Recent advances such as Gated DeltaNet (GDN) and Kimi Delta Attention (KDA) have demonstrated that…

Machine Learning · Computer Science 2026-05-05 Pingwei Sun , Yuxuan Hu , Jianchao Tan , Xue Wang , Jiaqi Zhang , Yifan Lu , Yerui Sun , Yuchen Xie , Xunliang Cai

Human motion synthesis and editing are essential to many applications like film post-production. However, they often introduce artefacts in motions, which can be detrimental to the perceived realism. In particular, footskating is a frequent…

Graphics · Computer Science 2022-08-10 Lucas Mourot , Ludovic Hoyet , François Le Clerc , Pierre Hellier

Lossless compression of dynamic 2D+t and 3D+t medical data is challenging regarding the huge amount of data, the characteristics of the inherent noise, and the high bit depth. Beyond that, a scalable representation is often required in…

Image and Video Processing · Electrical Eng. & Systems 2023-02-08 Daniela Lanz , André Kaup

In the evolving domain of Human Activity Recognition (HAR) using Internet of Things (IoT) devices, there is an emerging interest in employing Deep Generative Models (DGMs) to address data scarcity, enhance data quality, and improve…

Machine Learning · Computer Science 2024-12-10 George Kontogiannis , Pantelis Tzamalis , Sotiris Nikoletseas

We describe a novel metric-based learning approach that introduces a multimodal framework and uses deep audio and geophone encoders in siamese configuration to design an adaptable and lightweight supervised model. This framework eliminates…

Sound · Computer Science 2021-11-16 Muhammad Shakeel , Katsutoshi Itoyama , Kenji Nishida , Kazuhiro Nakadai

Ensuring truthfulness in large language models (LLMs) remains a critical challenge for reliable text generation. While supervised fine-tuning and reinforcement learning with human feedback have shown promise, they require a substantial…

Machine Learning · Computer Science 2026-03-17 Manh Nguyen , Sunil Gupta , Hung Le

Recent face presentation attack detection (PAD) leverages domain adaptation (DA) and domain generalization (DG) techniques to address performance degradation on unknown domains. However, DA-based PAD methods require access to unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Meiling Fang , Naser Damer

Back pain is a pervasive issue affecting a significant portion of the population, often worsened by certain movements of the lower back. Assessing these movements is important for helping clinicians prescribe appropriate physical therapy.…

Machine Learning · Computer Science 2026-02-13 Jared Levy , Aarti Lalwani , Elijah Wyckoff , Kenneth J. Loh , Sara P. Gombatto , Rose Yu , Emilia Farcas

Automatically identifying feature correspondences between multimodal images is facing enormous challenges because of the significant differences both in radiation and geometry. To address these problems, we propose a novel feature matching…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Bai Zhu , Chao Yang , Jinkun Dai , Jianwei Fan , Yuanxin Ye

Gait disabilities are among the most frequent worldwide. Their treatment relies on rehabilitation therapies, in which smart walkers are being introduced to empower the user's recovery and autonomy, while reducing the clinicians effort. For…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Carolina Gonçalves , João M. Lopes , Sara Moccia , Daniele Berardini , Lucia Migliorelli , Cristina P. Santos

Approximating wind flows using computational fluid dynamics (CFD) methods can be time-consuming. Creating a tool for interactively designing prototypes while observing the wind flow change requires simpler models to simulate faster. Instead…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Henrik Hoeiness , Kristoffer Gjerde , Luca Oggiano , Knut Erik Teigen Giljarhus , Massimiliano Ruocco

The limited availability of labelled data in Action Quality Assessment (AQA), has forced previous works to fine-tune their models pretrained on large-scale domain-general datasets. This common approach results in weak generalisation,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Amirhossein Dadashzadeh , Shuchao Duan , Alan Whone , Majid Mirmehdi

Large language models have achieved strong performance on medical reasoning benchmarks, yet their deployment in clinical settings demands rigorous verification to ensure factual accuracy. While reward models offer a scalable approach for…

Artificial Intelligence · Computer Science 2026-01-29 Hang Zhang , Ruheng Wang , Yuelyu Ji , Mingu Kwak , Xizhi Wu , Chenyu Li , Li Zhang , Wenqi Shi , Yifan Peng , Yanshan Wang

While many phenomena in physics and engineering are formally high-dimensional, their long-time dynamics often live on a lower-dimensional manifold. The present work introduces an autoencoder framework that combines implicit regularization…

Machine Learning · Computer Science 2023-12-07 Kevin Zeng , Carlos E. Pérez De Jesús , Andrew J. Fox , Michael D. Graham

Parkinson's disease (PD), characterized by its incurable nature, rapid progression, and severe disability, poses significant challenges to the lives of patients and their families. Given the aging population, the need for early detection of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Wei Huang , Yinxuan Xu , Yintao Zhou , Zhengyu Li , Jing Huang , Meng Pang

We present Pressure2Motion, a novel motion capture algorithm that reconstructs human motion from a ground pressure sequence and text prompt. At inference time, Pressure2Motion requires only a pressure mat, eliminating the need for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Zhengxuan Li , Qinhui Yang , Yiyu Zhuang , Chuan Guo , Xinxin Zuo , Xiaoxiao Long , Yao Yao , Xun Cao , Qiu Shen , Hao Zhu

Ensuring factual consistency and reliable reasoning remains a critical challenge for medical vision-language models. We introduce MEDFACT-R1, a two-stage framework that integrates external knowledge grounding with reinforcement learning to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Gengliang Li , Rongyu Chen , Bin Li , Linlin Yang , Guodong Ding

Deep learning approaches deliver state-of-the-art performance in recognition of spatiotemporal human motion data. However, one of the main challenges in these recognition tasks is limited available training data. Insufficient training data…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Junxiao Shen , John Dudley , Per Ola Kristensson

Most deep reinforcement learning (RL) algorithms distill experience into parametric behavior policies or value functions via gradient updates. While effective, this approach has several disadvantages: (1) it is computationally expensive,…

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