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Solving medical imaging data scarcity through semantic image generation has attracted growing attention in recent years. However, existing generative models mainly focus on synthesizing whole-organ or large-tissue structures, showing…

图像与视频处理 · 电气工程与系统科学 2025-12-19 Jiahao Xia , Yutao Hu , Yaolei Qi , Zhenliang Li , Wenqi Shao , Junjun He , Ying Fu , Longjiang Zhang , Guanyu Yang

Human action recognition is pivotal in computer vision, with applications ranging from surveillance to human-robot interaction. Despite the effectiveness of supervised skeleton-based methods, their reliance on exhaustive annotation limits…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Yuxi Zhou , Zhengbo Zhang , Jingyu Pan , Zhiyu Lin , Zhigang Tu

Co-speech gestures, if presented in the lively form of videos, can achieve superior visual effects in human-machine interaction. While previous works mostly generate structural human skeletons, resulting in the omission of appearance…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Xu He , Qiaochu Huang , Zhensong Zhang , Zhiwei Lin , Zhiyong Wu , Sicheng Yang , Minglei Li , Zhiyi Chen , Songcen Xu , Xiaofei Wu

Segmentation of brain structures from MRI is crucial for evaluating brain morphology, yet existing CNN and transformer-based methods struggle to delineate complex structures accurately. While current diffusion models have shown promise in…

图像与视频处理 · 电气工程与系统科学 2025-07-01 Qilong Xing , Zikai Song , Yuteng Ye , Yuke Chen , Youjia Zhang , Na Feng , Junqing Yu , Wei Yang

Benefiting from its succinctness and robustness, skeleton-based action recognition has recently attracted much attention. Most existing methods utilize local networks (e.g., recurrent, convolutional, and graph convolutional networks) to…

计算机视觉与模式识别 · 计算机科学 2019-06-13 Guyue Hu , Bo Cui , Shan Yu

Generating 3D human motion from text descriptions remains challenging due to the diverse and complex nature of human motion. While existing methods excel within the training distribution, they often struggle with out-of-distribution…

计算机视觉与模式识别 · 计算机科学 2026-01-09 Zongye Zhang , Bohan Kong , Qingjie Liu , Yunhong Wang

Human-motion generation is a long-standing challenging task due to the requirement of accurately modeling complex and diverse dynamic patterns. Most existing methods adopt sequence models such as RNN to directly model transitions in the…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Zhenyi Wang , Ping Yu , Yang Zhao , Ruiyi Zhang , Yufan Zhou , Junsong Yuan , Changyou Chen

Predicting drug-target affinity is fundamental to virtual screening and lead optimization. However, existing deep models often suffer from representation collapse in stringent cold-start regimes, where the scarcity of labels and domain…

机器学习 · 统计学 2026-03-13 Yining Qian , Pengjie Wang , Yixiao Li , An-Yang Lu , Cheng Tan , Shuang Li , Lijun Liu

Recently, transformers have demonstrated great potential for modeling long-term dependencies from skeleton sequences and thereby gained ever-increasing attention in skeleton action recognition. However, the existing transformer-based…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Wenhan Wu , Ce Zheng , Zihao Yang , Chen Chen , Srijan Das , Aidong Lu

Aside from offering state-of-the-art performance in medical image generation, denoising diffusion probabilistic models (DPM) can also serve as a representation learner to capture semantic information and potentially be used as an image…

图像与视频处理 · 电气工程与系统科学 2024-07-09 Chun-Mei Feng

This prospective study proposes CoMatch, a novel semi-dense image matcher with dynamic covisibility awareness and bilateral subpixel accuracy. Firstly, observing that modeling context interaction over the entire coarse feature map elicits…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Zizhuo Li , Yifan Lu , Linfeng Tang , Shihua Zhang , Jiayi Ma

Diffusion models (DMs) have revolutionized generative learning. They utilize a diffusion process to encode data into a simple Gaussian distribution. However, encoding a complex, potentially multimodal data distribution into a single…

机器学习 · 计算机科学 2024-07-04 Yilun Xu , Gabriele Corso , Tommi Jaakkola , Arash Vahdat , Karsten Kreis

The burgeoning field of camouflaged object detection (COD) seeks to identify objects that blend into their surroundings. Despite the impressive performance of recent models, we have identified a limitation in their robustness, where…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Xue-Jing Luo , Shuo Wang , Zongwei Wu , Christos Sakaridis , Yun Cheng , Deng-Ping Fan , Luc Van Gool

Skeleton based action recognition distinguishes human actions using the trajectories of skeleton joints, which provide a very good representation for describing actions. Considering that recurrent neural networks (RNNs) with Long Short-Term…

计算机视觉与模式识别 · 计算机科学 2016-03-28 Wentao Zhu , Cuiling Lan , Junliang Xing , Wenjun Zeng , Yanghao Li , Li Shen , Xiaohui Xie

Current text-to-image (T2I) generation models struggle to align spatial composition with the input text, especially in complex scenes. Even layout-based approaches yield suboptimal spatial control, as their generation process is decoupled…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Zheyuan Liu , Munan Ning , Qihui Zhang , Shuo Yang , Zhongrui Wang , Yiwei Yang , Xianzhe Xu , Yibing Song , Weihua Chen , Fan Wang , Li Yuan

Stochastic human motion prediction aims to forecast multiple plausible future motions given a single pose sequence from the past. Most previous works focus on designing elaborate losses to improve the accuracy, while the diversity is…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Dong Wei , Huaijiang Sun , Bin Li , Jianfeng Lu , Weiqing Li , Xiaoning Sun , Shengxiang Hu

Recent advances in text-to-image diffusion models have achieved remarkable success in generating high-quality, realistic images from textual descriptions. However, these approaches have faced challenges in precisely aligning the generated…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Zutao Jiang , Guian Fang , Jianhua Han , Guansong Lu , Hang Xu , Shengcai Liao , Xiaojun Chang , Xiaodan Liang

Colonoscopy video generation delivers dynamic, information-rich data critical for diagnosing intestinal diseases, particularly in data-scarce scenarios. High-quality video generation demands temporal consistency and precise control over…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Junhu Fu , Shuyu Liang , Wutong Li , Chen Ma , Peng Huang , Kehao Wang , Ke Chen , Shengli Lin , Pinghong Zhou , Zeju Li , Yuanyuan Wang , Yi Guo

In zero-shot skeleton-based action recognition (ZSAR), aligning skeleton features with the text features of action labels is essential for accurately predicting unseen actions. ZSAR faces a fundamental challenge in bridging the modality gap…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Jeonghyeok Do , Munchurl Kim

Skeleton-based action recognition is vital for comprehending human-centric videos and has applications in diverse domains. One of the challenges of skeleton-based action recognition is dealing with low-quality data, such as skeletons that…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Cuiwei Liu , Youzhi Jiang , Chong Du , Zhaokui Li