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Compositional diffusion models offer a promising route to long-horizon planning by denoising multiple overlapping sub-trajectories while ensuring that together they constitute a global solution. However, enforcing local behavior over long…

Robotics · Computer Science 2026-05-19 Yaniv Hassidof , Adir Morgan , Yilun Du , Kiril Solovey

Recent diffusion models have exhibited great potential in generative modeling tasks. Part of their success can be attributed to the ability of training stable on huge sets of paired synthetic data. However, adapting these models to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Yiyang Shen , Mingqiang Wei , Yongzhen Wang , Xueyang Fu , Jing Qin

Most existing works in Person Re-identification (ReID) focus on settings where illumination either is kept the same or has very little fluctuation. However, the changes in the illumination degree may affect the robustness of a ReID…

Computer Vision and Pattern Recognition · Computer Science 2020-05-27 Ziyue Zhang , Richard YD Xu , Shuai Jiang , Yang Li , Congzhentao Huang , Chen Deng

We introduce PolyDiff, the first diffusion-based approach capable of directly generating realistic and diverse 3D polygonal meshes. In contrast to methods that use alternate 3D shape representations (e.g. implicit representations), our…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Antonio Alliegro , Yawar Siddiqui , Tatiana Tommasi , Matthias Nießner

Diffusion models recently emerged as a powerful paradigm for recommender systems, offering state-of-the-art performance by modeling the generative process of user-item interactions. However, training such models from scratch is both…

Information Retrieval · Computer Science 2025-11-11 Yu Hou , Hua Li , Ha Young Kim , Won-Yong Shin

Occluded person re-identification (ReID) aims at matching occluded person images to holistic ones across different camera views. Target Pedestrians (TP) are usually disturbed by Non-Pedestrian Occlusions (NPO) and NonTarget Pedestrians…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Zhikang Wang , Feng Zhu , Shixiang Tang , Rui Zhao , Lihuo He , Jiangning Song

Latest diffusion models have shown promising results in category-level 6D object pose estimation by modeling the conditional pose distribution with depth image input. The existing methods, however, suffer from slow convergence during…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Seunghyun Lee , Tae-Kyun Kim

Text-to-image generation for personalized identities aims at incorporating the specific identity into images using a text prompt and an identity image. Based on the powerful generative capabilities of DDPMs, many previous works adopt…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Jinyu Gu , Haipeng Liu , Meng Wang , Yang Wang

Object re-identification (ReID) is committed to searching for objects of the same identity across cameras, and its real-world deployment is gradually increasing. Current ReID methods assume that the deployed system follows the centralized…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Chuanming Wang , Yuxin Yang , Mengshi Qi , Huadong Ma

Partial person re-identification (ReID) is a challenging task because only partial information of person images is available for matching target persons. Few studies, especially on deep learning, have focused on matching partial person…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Hao Luo , Xing Fan , Chi Zhang , Wei Jiang

Person Re-identification (ReID) aims to retrieve images of the same individual captured across non-overlapping camera views, making it a critical component of intelligent surveillance systems. Traditional ReID methods assume that the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Hyeonseo Lee , Juhyun Park , Jihyong Oh , Chanho Eom

Moving object detection (MOD) in remote sensing is significantly challenged by low resolution, extremely small object sizes, and complex noise interference. Current deep learning-based MOD methods rely on probability density estimation,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jinyue Zhang , Xiangrong Zhang , Zhongjian Huang , Tianyang Zhang , Yifei Jiang , Licheng Jiao

Suspect face generation remains a technical challenge in crime investigations. Traditional sketch-drawing workflows suffer from low efficiency and quality, while diffusion-based approaches still face intrinsic limitations on conditional…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Weichen Liu , Yixin Yang , Changsheng Chen , Alex Kot

Person search aims to search for a target person among multiple images recorded by multiple surveillance cameras, which faces various challenges from both pedestrian detection and person re-identification. Besides the large intra-class…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Dingyuan Zheng , Jimin Xiao , Kaizhu Huang , Yao Zhao

Personalized retrieval and segmentation aim to locate specific instances within a dataset based on an input image and a short description of the reference instance. While supervised methods are effective, they require extensive labeled data…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Dvir Samuel , Rami Ben-Ari , Matan Levy , Nir Darshan , Gal Chechik

Cooperative perception lets agents share information to expand coverage and improve scene understanding. However, in real-world scenarios, diverse and unpredictable corruptions undermine its robustness and generalization. To address these…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Gong Chen , Chaokun Zhang , Pengcheng Lv

Camera-based person re-identification (ReID) systems have been widely applied in the field of public security. However, cameras often lack the perception of 3D morphological information of human and are susceptible to various limitations,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Wenxuan Guo , Zhiyu Pan , Yingping Liang , Ziheng Xi , Zhi Chen Zhong , Jianjiang Feng , Jie Zhou

Diffusion models have recently exhibited remarkable performance on synthetic data. After a diffusion path is selected, a base model, such as UNet, operates as a denoising autoencoder, primarily predicting noises that need to be eliminated…

Artificial Intelligence · Computer Science 2023-10-11 Wenhao Li , Xiu Su , Shan You , Fei Wang , Chen Qian , Chang Xu

Recovering noise-covered details from low-light images is challenging, and the results given by previous methods leave room for improvement. Recent diffusion models show realistic and detailed image generation through a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Dewei Zhou , Zongxin Yang , Yi Yang

Person re-identification (ReID) plays a critical role in applications such as security surveillance and criminal investigations. Most traditional image-based ReID methods face challenges including occlusions and lighting changes, while text…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Jincheng Yan , Yun Wang , Xiaoyan Luo , Yu-Wing Tai