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相关论文: Diffusion Models for Unsupervised Anomaly Detectio…

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Detection of various lesions in brain MRI is clinically critical, but challenging due to the diversity of lesions and variability in imaging conditions. Current unsupervised learning methods detect anomalies mainly through reconstructing…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Tao Yang , Xiuying Wang , Hao Liu , Guanzhong Gong , Lian-Ming Wu , Yu-Ping Wang , Lisheng Wang

Probabilistic regression models the entire predictive distribution of a response variable, offering richer insights than classical point estimates and directly allowing for uncertainty quantification. While diffusion-based generative models…

机器学习 · 计算机科学 2025-10-07 Carlo Kneissl , Christopher Bülte , Philipp Scholl , Gitta Kutyniok

Precise anomaly detection in medical images is critical for clinical decision-making. While recent unsupervised or semi-supervised anomaly detection methods trained on large-scale normal data show promising results, they lack fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Yue Zhou , Yuan Bi , Wenjuan Tong , Wei Wang , Nassir Navab , Zhongliang Jiang

Pathological anomalies exhibit diverse appearances in medical imaging, making it difficult to collect and annotate a representative amount of data required to train deep learning models in a supervised setting. Therefore, in this work, we…

图像与视频处理 · 电气工程与系统科学 2023-07-18 Mariana-Iuliana Georgescu

Image generative models, particularly diffusion-based models, have surged in popularity due to their remarkable ability to synthesize highly realistic images. However, since these models are data-driven, they inherit biases from the…

机器学习 · 计算机科学 2025-03-18 Lin-Chun Huang , Ching Chieh Tsao , Fang-Yi Su , Jung-Hsien Chiang

Denoising diffusion models offer a promising approach to accelerating magnetic resonance imaging (MRI) and producing diagnostic-level images in an unsupervised manner. However, our study demonstrates that even tiny worst-case potential…

图像与视频处理 · 电气工程与系统科学 2024-06-26 Tianyu Han , Sven Nebelung , Firas Khader , Jakob Nikolas Kather , Daniel Truhn

Universal Lesion Detection (ULD) in computed tomography (CT) plays an essential role in computer-aided diagnosis. Promising ULD results have been reported by anchor-based detection designs, but they have inherent drawbacks due to the use of…

图像与视频处理 · 电气工程与系统科学 2023-03-29 Peiang Zhao , Han Li , Ruiyang Jin , S. Kevin Zhou

Diffusion models have demonstrated remarkable performance in image generation tasks, paving the way for powerful AIGC applications. However, these widely-used generative models can also raise security and privacy concerns, such as copyright…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Zhengyue Zhao , Jinhao Duan , Xing Hu , Kaidi Xu , Chenan Wang , Rui Zhang , Zidong Du , Qi Guo , Yunji Chen

Despite the remarkable progress in generative modelling, current diffusion models lack a quantitative approach to assess image quality. To address this limitation, we propose to estimate the pixel-wise aleatoric uncertainty during the…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Michele De Vita , Vasileios Belagiannis

Diffusion models have emerged as a prominent technique in generative modeling with neural networks, making their mark in tasks like text-to-image translation and super-resolution. In this tutorial, we provide a comprehensive guide to build…

图像与视频处理 · 电气工程与系统科学 2025-01-24 Harshith Bachimanchi , Giovanni Volpe

Collaborative 3D object detection holds significant importance in the field of autonomous driving, as it greatly enhances the perception capabilities of each individual agent by facilitating information exchange among multiple agents.…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Zhe Huang , Shuo Wang , Yongcai Wang , Lei Wang

Diffusion Probabilistic Models (DPMs) have demonstrated significant potential in 3D medical image segmentation tasks. However, their high computational cost and inability to fully capture global 3D contextual information limit their…

图像与视频处理 · 电气工程与系统科学 2025-04-17 Kangbo Ma

Differential dynamic microscopy (DDM) is a form of video image analysis that combines the sensitivity of scattering and the direct visualization benefits of microscopy. DDM is broadly useful in determining dynamical properties including the…

软凝聚态物质 · 物理学 2022-04-12 Mengyang Gu , Yimin Luo , Yue He , Matthew E. Helgeson , Megan T. Valentine

Deepfake detectors face growing challenges in generalization as new image synthesis techniques emerge. In particular, deepfakes generated by diffusion models are highly photorealistic and often evade detectors trained on GAN-based…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Hongyuan Qi , Wenjin Hou , Hehe Fan , Jun Xiao

Diffusion models are powerful tools for sampling from high-dimensional distributions by progressively transforming pure noise into structured data through a denoising process. When equipped with a guidance mechanism, these models can also…

机器学习 · 计算机科学 2026-05-04 Saeed Mohseni-Sehdeh , Walid Saad , Kei Sakaguchi , Tao Yu

The rapid advancements in machine learning have made its application to anomalous diffusion analysis both essential and inevitable. This review systematically introduces the integration of machine learning techniques for enhanced analysis…

机器学习 · 计算机科学 2025-04-01 Wenjie Cai , Yi Hu , Xiang Qu , Hui Zhao , Gongyi Wang , Jing Li , Zihan Huang

Denoising diffusion models show remarkable performances in generative tasks, and their potential applications in perception tasks are gaining interest. In this paper, we introduce a novel framework named DiffRef3D which adopts the diffusion…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Se-Ho Kim , Inyong Koo , Inyoung Lee , Byeongjun Park , Changick Kim

Remote sensing change detection is crucial for understanding the dynamics of our planet's surface, facilitating the monitoring of environmental changes, evaluating human impact, predicting future trends, and supporting decision-making. In…

计算机视觉与模式识别 · 计算机科学 2024-01-15 Wele Gedara Chaminda Bandara , Nithin Gopalakrishnan Nair , Vishal M. Patel

Anomaly detection in multivariate time series has emerged as a crucial challenge in time series research, with significant research implications in various fields such as fraud detection, fault diagnosis, and system state estimation.…

机器学习 · 计算机科学 2023-10-31 Chaocheng Yang , Tingyin Wang , Xuanhui Yan

Diffusion models have recently gained prominence as powerful deep generative models, demonstrating unmatched performance across various domains. However, their potential in multi-sensor fusion remains largely unexplored. In this work, we…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Duy-Tho Le , Hengcan Shi , Jianfei Cai , Hamid Rezatofighi
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