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Medical education relies heavily on Simulated Patients (SPs) to provide a safe environment for students to practice clinical skills, including medical image analysis. However, the high cost of recruiting qualified SPs and the lack of…

Artificial Intelligence · Computer Science 2024-08-23 Yanzeng Li , Cheng Zeng , Jinchao Zhang , Jie Zhou , Lei Zou

Low-dose PET imaging is crucial for reducing patient radiation exposure but faces challenges like noise interference, reduced contrast, and difficulty in preserving physiological details. Existing methods often neglect both…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Mengxiao Geng , Ran Hong , Xiaoling Xu , Bingxuan Li , Qiegen Liu

Generating the motion of orchestral conductors from a given piece of symphony music is a challenging task since it requires a model to learn semantic music features and capture the underlying distribution of real conducting motion. Prior…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-14 Zhuoran Zhao , Jinbin Bai , Delong Chen , Debang Wang , Yubo Pan

Recently, text-to-image generation models have achieved remarkable advancements, particularly with diffusion models facilitating high-quality image synthesis from textual descriptions. However, these models often struggle with achieving…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Lunhao Duan , Shanshan Zhao , Wenjun Yan , Yinglun Li , Qing-Guo Chen , Zhao Xu , Weihua Luo , Kaifu Zhang , Mingming Gong , Gui-Song Xia

Video-driven neural face reenactment aims to synthesize realistic facial images that successfully preserve the identity and appearance of a source face, while transferring the target head pose and facial expressions. Existing GAN-based…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Stella Bounareli , Christos Tzelepis , Vasileios Argyriou , Ioannis Patras , Georgios Tzimiropoulos

Recent advances in diffusion-based text-to-video models, particularly those built on the diffusion transformer architecture, have achieved remarkable progress in generating high-quality and temporally coherent videos. However, transferring…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Zhexin Zhang , Yangyang Xu , Yifeng Zhu , Long Chen , Yong Du , Shengfeng He , Jun Yu

Recent advances in text-to-image generation with diffusion models present transformative capabilities in image quality. However, user controllability of the generated image, and fast adaptation to new tasks still remains an open challenge,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-17 Omer Bar-Tal , Lior Yariv , Yaron Lipman , Tali Dekel

Diffusion-based methods have been acknowledged as a powerful paradigm for end-to-end visuomotor control in robotics. Most existing approaches adopt a Diffusion Policy in U-Net architecture (DP-U), which, while effective, suffers from…

Robotics · Computer Science 2025-09-30 Linzhi Wu , Aoran Mei , Xiyue Wang , Guo-Niu Zhu , Zhongxue Gan

In this paper, we address the task of multimodal-to-speech generation, which aims to synthesize high-quality speech from multiple input modalities: text, video, and reference audio. This task has gained increasing attention due to its wide…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Jeongsoo Choi , Ji-Hoon Kim , Kim Sung-Bin , Tae-Hyun Oh , Joon Son Chung

We present a novel character control framework that effectively utilizes motion diffusion probabilistic models to generate high-quality and diverse character animations, responding in real-time to a variety of dynamic user-supplied control…

Graphics · Computer Science 2024-04-24 Rui Chen , Mingyi Shi , Shaoli Huang , Ping Tan , Taku Komura , Xuelin Chen

Multi-object tracking (MOT) is a fundamental task in computer vision with critical applications in autonomous driving and robotics. Multimodal MOT that integrates visible light and thermal infrared information is particularly essential for…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Weiran Li , Yeqiang Liu , Yijie Wei , Mina Han , Qiannan Guo , Zhenbo Li

Recent advancements in large-scale models have showcased remarkable generalization capabilities in various tasks. However, integrating multimodal processing into these models presents a significant challenge, as it often comes with a high…

Multimedia · Computer Science 2024-07-17 Hao Sun , Yu Song , Xinyao Yu , Jiaqing Liu , Yen-Wei Chen , Lanfen Lin

Diffusion models arise as a powerful generative tool recently. Despite the great progress, existing diffusion models mainly focus on uni-modal control, i.e., the diffusion process is driven by only one modality of condition. To further…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Ziqi Huang , Kelvin C. K. Chan , Yuming Jiang , Ziwei Liu

Portrait animation from a single source image and a driving video is a long-standing problem. Recent approaches tend to adopt diffusion-based image/video generation models for realistic and expressive animation. However, none of these…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Yuxiang Shi , Zhe Li , Yanwen Wang , Hao Zhu , Xun Cao , Ligang Liu

Image animation has seen significant progress, driven by the powerful generative capabilities of diffusion models. However, maintaining appearance consistency with static input images and mitigating abrupt motion transitions in generated…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Xin Ma , Yaohui Wang , Genyun Jia , Xinyuan Chen , Tien-Tsin Wong , Cunjian Chen

In this work, we empirically study Diffusion Transformers (DiTs) for text-to-image generation, focusing on architectural choices, text-conditioning strategies, and training protocols. We evaluate a range of DiT-based…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Chen Chen , Rui Qian , Wenze Hu , Tsu-Jui Fu , Jialing Tong , Xinze Wang , Lezhi Li , Bowen Zhang , Alex Schwing , Wei Liu , Yinfei Yang

In recent developments, the Mamba architecture, known for its selective state space approach, has shown potential in the efficient modeling of long sequences. However, its application in image generation remains underexplored. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Shentong Mo , Yapeng Tian

Diffusion models have enabled remarkably high-quality medical image generation, yet it is challenging to enforce anatomical constraints in generated images. To this end, we propose a diffusion model-based method that supports…

Image and Video Processing · Electrical Eng. & Systems 2024-06-21 Nicholas Konz , Yuwen Chen , Haoyu Dong , Maciej A. Mazurowski

Text-to-video (T2V) diffusion models have recently achieved impressive visual quality, yet most systems still generate silent clips and treat audio as a secondary concern. Existing audio-video generation pipelines typically decompose the…

This study delves into the intricacies of synchronizing facial dynamics with multilingual audio inputs, focusing on the creation of visually compelling, time-synchronized animations through diffusion-based techniques. Diverging from…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Rui Zhang , Yixiao Fang , Zhengnan Lu , Pei Cheng , Zebiao Huang , Bin Fu