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Detecting objects seamlessly blended into their surroundings represents a complex task for both human cognitive capabilities and advanced artificial intelligence algorithms. Currently, the majority of methodologies for detecting camouflaged…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Jianwei Zhao , Xin Li , Fan Yang , Qiang Zhai , Ao Luo , Zicheng Jiao , Hong Cheng

Diffusion policies are a powerful paradigm for robotic control, but fine-tuning them with human preferences is fundamentally challenged by the multi-step structure of the denoising process. To overcome this, we introduce a Unified Markov…

机器人学 · 计算机科学 2026-02-03 Amitesh Vatsa , Zhixian Xie , Wanxin Jin

Denoising Diffusion Probabilistic Models (DDPMs) have shown success in robust 3D object detection tasks. Existing methods often rely on the score matching from 3D boxes or pre-trained diffusion priors. However, they typically require…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Wentao Qu , Guofeng Mei , Jing Wang , Yujiao Wu , Xiaoshui Huang , Liang Xiao

Camouflaged object detection is a challenging task that aims to identify objects that are highly similar to their background. Due to the powerful noise-to-image denoising capability of denoising diffusion models, in this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Zhennan Chen , Rongrong Gao , Tian-Zhu Xiang , Fan Lin

This study introduces LRDif, a novel diffusion-based framework designed specifically for facial expression recognition (FER) within the context of under-display cameras (UDC). To address the inherent challenges posed by UDC's image…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Zhifeng Wang , Kaihao Zhang , Ramesh Sankaranarayana

Most of the proposed person re-identification algorithms conduct supervised training and testing on single labeled datasets with small size, so directly deploying these trained models to a large-scale real-world camera network may lead to…

计算机视觉与模式识别 · 计算机科学 2018-03-21 Jianming Lv , Weihang Chen , Qing Li , Can Yang

Classical person re-identification approaches assume that a person of interest has appeared across different cameras and can be queried by one of the existing images. However, in real-world surveillance scenarios, frequently no visual…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Ammarah Farooq , Muhammad Awais , Fei Yan , Josef Kittler , Ali Akbari , Syed Safwan Khalid

Diffusion models have emerged as a promising approach for text generation, with recent works falling into two main categories: discrete and continuous diffusion models. Discrete diffusion models apply token corruption independently using…

计算与语言 · 计算机科学 2025-05-29 Bocheng Li , Zhujin Gao , Linli Xu

Generalizable person re-identification (Re-ID) aims to recognize individuals across unseen cameras and environments. While existing methods rely heavily on limited labeled multi-camera data, we propose DynaMix, a novel method that…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Timur Mamedov , Anton Konushin , Vadim Konushin

Recently, Person Re-Identification (Re-ID) has received a lot of attention. Large datasets containing labeled images of various individuals have been released, allowing researchers to develop and test many successful approaches. However,…

计算机视觉与模式识别 · 计算机科学 2022-12-21 Jose Huaman , Felix O. Sumari , Luigy Machaca , Esteban Clua , Joris Guerin

Recently privacy concerns of person re-identification (ReID) raise more and more attention and preserving the privacy of the pedestrian images used by ReID methods become essential. De-identification (DeID) methods alleviate privacy issues…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Shuguang Dou , Xinyang Jiang , Qingsong Zhao , Dongsheng Li , Cairong Zhao

Tracking of dynamic people in cluttered and crowded human-centered environments is a challenging robotics problem due to the presence of intraclass variations including occlusions, pose deformations, and lighting variations. This paper…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Angus Fung , Beno Benhabib , Goldie Nejat

Recently, diffusion-based blind super-resolution (SR) methods have shown great ability to generate high-resolution images with abundant high-frequency detail, but the detail is often achieved at the expense of fidelity. Meanwhile, another…

图像与视频处理 · 电气工程与系统科学 2025-12-02 Shao-Hao Lu , Ren Wang , Ching-Chun Huang , Wei-Chen Chiu

Ad hoc teamwork (AHT) requires agents to collaborate with previously unseen teammates, which is crucial for many real-world applications. The core challenge of AHT is to develop an ego agent that can predict and adapt to unknown teammates…

人工智能 · 计算机科学 2026-01-21 Hohei Chan , Xinzhi Zhang , Antao Xiang , Weinan Zhang , Mengchen Zhao

Cloth-changing person re-identification (CC-ReID) aims to retrieve specific pedestrians in a cloth-changing scenario. Its main challenge is to disentangle the clothing-related and clothing-unrelated features. Most existing approaches force…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Zhihao Chen , Yiyuan Ge , Qing Yue

Diffusion models (DMs) excel in image generation but suffer from slow inference and training-inference discrepancies. Although gradient-based solvers for DMs accelerate denoising inference, they often lack theoretical foundations in…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Shigui Li , Wei Chen , Delu Zeng

Deep learning technology promotes the rapid development of person re-identifica-tion (re-ID). However, some challenges are still existing in the open-world. First, the existing re-ID research usually assumes only one factor variable (view,…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Yaguan Qian , Anlin Sun

Molecular representation learning has shown great success in advancing AI-based drug discovery. The core of many recent works is based on the fact that the 3D geometric structure of molecules provides essential information about their…

机器学习 · 计算机科学 2024-10-23 Jiying Zhang , Zijing Liu , Yu Wang , Yu Li

Person re-identification (ReID) aims to extract accurate identity representation features. However, during feature extraction, individual samples are inevitably affected by noise (background, occlusions, and model limitations). Considering…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Chao Yuan , Guiwei Zhang , Changxiao Ma , Tianyi Zhang , Guanglin Niu

Nighttime person Re-ID (person re-identification in the nighttime) is a very important and challenging task for visual surveillance but it has not been thoroughly investigated. Under the low illumination condition, the performance of person…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Andong Lu , Zhang Zhang , Yan Huang , Yifan Zhang , Chenglong Li , Jin Tang , Liang Wang