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Recent advancements in text-guided diffusion models have shown promise for general image editing via inversion techniques, but often struggle to maintain ID and structural consistency in real face editing tasks. To address this limitation,…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Yang Hou , Minggu Wang , Jianjun Zhao

Diffusion models have emerged as powerful priors for solving inverse problems in computed tomography (CT). In certain applications, such as neutron CT, it can be expensive to collect large amounts of measurements even for a single scan,…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Timofey Efimov , Singanallur Venkatakrishnan , Maliha Hossain , Haley Duba-Sullivan , Amirkoushyar Ziabari

Limited-angle computed tomography (LACT) reconstruction is an inverse problem with severe ill-posedness arising from missing projection angles, and it is difficult to restore high-precision images without sufficient prior knowledge. In…

图像与视频处理 · 电气工程与系统科学 2026-03-06 Hinako Isogai , Naruki Murahashi , Mitsuhiro Nakamura , Megumi Nakao

We present a zero-shot deformation reconstruction framework for soft robots that operates without any visual supervision at inference time. In this work, zero-shot deformation reconstruction is defined as the ability to infer object-wide…

机器人学 · 计算机科学 2026-03-23 Linrui Shou , Zilang Chen , Wenjia Xu , Yiyue Luo , Tingyu Cheng

Image-generative artificial intelligence (AI) has garnered significant attention in recent years. In particular, the diffusion model, a core component of generative AI, produces high-quality images with rich diversity. In this study, we…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Sho Ozaki , Shizuo Kaji , Toshikazu Imae , Kanabu Nawa , Hideomi Yamashita , Keiichi Nakagawa

The interconnection between the human lungs and other organs, such as the liver and kidneys, is crucial for understanding the underlying risks and effects of lung diseases and improving patient care. However, most research chest CT imaging…

计算机视觉与模式识别 · 计算机科学 2025-01-23 Lianrui Zuo , Kaiwen Xu , Dingjie Su , Xin Yu , Aravind R. Krishnan , Yihao Liu , Shunxing Bao , Thomas Li , Kim L. Sandler , Fabien Maldonado , Bennett A. Landman

Despite extensive research on computed tomography (CT) denoising, few studies exploit projection-domain data characteristics to mitigate noise correlation. To bridge this gap, this work proposes FrequencyCT, the first zero-shot…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Guoquan Wei , Liu Shi , Chong Chen , Qiegen Liu

Diffusion models have been demonstrated as powerful deep learning tools for image generation in CT reconstruction and restoration. Recently, diffusion posterior sampling, where a score-based diffusion prior is combined with a likelihood…

医学物理 · 物理学 2024-09-02 Shudong Li , Xiao Jiang , Matthew Tivnan , Grace J. Gang , Yuan Shen , J. Webster Stayman

Foundation models have emerged as powerful tools across various domains including language, vision, and multimodal tasks. While prior works have addressed unsupervised image segmentation, they significantly lag behind supervised models. In…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Paul Couairon , Mustafa Shukor , Jean-Emmanuel Haugeard , Matthieu Cord , Nicolas Thome

We introduce a new diffusion-based approach for shape completion on 3D range scans. Compared with prior deterministic and probabilistic methods, we strike a balance between realism, multi-modality, and high fidelity. We propose DiffComplete…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Ruihang Chu , Enze Xie , Shentong Mo , Zhenguo Li , Matthias Nießner , Chi-Wing Fu , Jiaya Jia

Background: Daily or weekly cone-beam computed tomography (CBCT) scans are commonly used for accurate patient positioning during the image-guided radiotherapy (IGRT) process, making it an ideal option for adaptive radiotherapy (ART)…

Although diffusion-based zero-shot image restoration and enhancement methods have achieved great success, applying them to video restoration or enhancement will lead to severe temporal flickering. In this paper, we propose the first…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Cong Cao , Huanjing Yue , Shangbin Xie , Xin Liu , Jingyu Yang

3D part assembly aims to understand part relationships and predict their 6-DoF poses to construct realistic 3D shapes, addressing the growing demand for autonomous assembly, which is crucial for robots. Existing methods mainly estimate the…

计算机视觉与模式识别 · 计算机科学 2025-05-02 Ruiyuan Zhang , Qi Wang , Jiaxiang Liu , Yu Zhang , Yuchi Huo , Chao Wu

Recently, the diffusion model has emerged as a superior generative model that can produce high quality and realistic images. However, for medical image translation, the existing diffusion models are deficient in accurately retaining…

图像与视频处理 · 电气工程与系统科学 2023-10-31 Yunxiang Li , Hua-Chieh Shao , Xiao Liang , Liyuan Chen , Ruiqi Li , Steve Jiang , Jing Wang , You Zhang

Diffusion models have demonstrated remarkable generative capabilities in image processing tasks. We propose a Sparse condition Temporal Rewighted Integrated Distribution Estimation guided diffusion model (STRIDE) for sparse-view CT…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Zekun Zhou , Yanru Gong , Liu Shi , Qiegen Liu

Diffusion Models have demonstrated remarkable capabilities in handling inverse problems, offering high-quality posterior-sampling-based solutions. Despite significant advances, a fundamental trade-off persists regarding the way the…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Noam Elata , Hyungjin Chung , Jong Chul Ye , Tomer Michaeli , Michael Elad

To overcome the absence of training data for unseen classes, conventional zero-shot learning approaches mainly train their model on seen datapoints and leverage the semantic descriptions for both seen and unseen classes. Beyond exploiting…

机器学习 · 计算机科学 2019-10-22 Hyeonwoo Yu , Beomhee Lee

Cone-beam computed tomography (CBCT) is widely used for image-guided radiotherapy (IGRT). It provides real time visualization at low cost and dose. However, photon scattering and beam hindrance cause artifacts in CBCT. These include…

医学物理 · 物理学 2025-09-29 Alzahra Altalib , Chunhui Li , Alessandro Perelli

Computed tomography (CT) is one of the modalities for effective lung cancer screening, diagnosis, treatment, and prognosis. The features extracted from CT images are now used to quantify spatial and temporal variations in tumors. However,…

图像与视频处理 · 电气工程与系统科学 2023-03-28 Md Selim , Jie Zhang , Michael A. Brooks , Ge Wang , Jin Chen

Diffusion models have emerged as powerful priors for image editing tasks such as inpainting and local modification, where the objective is to generate realistic content that remains consistent with observed regions. In particular, zero-shot…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Badr Moufad , Navid Bagheri Shouraki , Alain Oliviero Durmus , Thomas Hirtz , Eric Moulines , Jimmy Olsson , Yazid Janati