中文
相关论文

相关论文: DDPM based X-ray Image Synthesizer

200 篇论文

This report presents the comprehensive implementation, evaluation, and optimization of Denoising Diffusion Probabilistic Models (DDPMs) and Denoising Diffusion Implicit Models (DDIMs), which are state-of-the-art generative models. During…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Jaineet Shah , Michael Gromis , Rickston Pinto

This research presents a novel framework for the compression and decompression of medical images utilizing the Latent Diffusion Model (LDM). The LDM represents advancement over the denoising diffusion probabilistic model (DDPM) with a…

图像与视频处理 · 电气工程与系统科学 2023-10-10 InChan Hwang , MinJae Woo

Speckle noise poses a significant challenge in maintaining the quality of synthetic aperture radar (SAR) images, so SAR despeckling techniques have drawn increasing attention. Despite the tremendous advancements of deep learning in…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Xuran Hu , Ziqiang Xu , Zhihan Chen , Zhengpeng Feng , Mingzhe Zhu , LJubisa Stankovic

Denoising Diffusion Probabilistic Models (DDPM) have recently gained significant attention. DDPMs compose a Markovian process that begins in the data domain and gradually adds noise until reaching pure white noise. DDPMs generate…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Shady Abu-Hussein , Raja Giryes

Deep learning integration into medical imaging systems has transformed disease detection and diagnosis processes with a focus on pneumonia identification. The study introduces an intricate deep learning system using Convolutional Neural…

图像与视频处理 · 电气工程与系统科学 2025-10-02 P K Dutta , Anushri Chowdhury , Anouska Bhattacharyya , Shakya Chakraborty , Sujatra Dey

This study introduces Polyp-DDPM, a diffusion-based method for generating realistic images of polyps conditioned on masks, aimed at enhancing the segmentation of gastrointestinal (GI) tract polyps. Our approach addresses the challenges of…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Zolnamar Dorjsembe , Hsing-Kuo Pao , Furen Xiao

Denoising Probabilistic Models (DPMs) represent an emerging domain of generative models that excel in generating diverse and high-quality images. However, most current training methods for DPMs often neglect the correlation between…

计算机视觉与模式识别 · 计算机科学 2024-02-01 Viet Nguyen , Giang Vu , Tung Nguyen Thanh , Khoat Than , Toan Tran

Constructing a highly accurate handwritten OCR system requires large amounts of representative training data, which is both time-consuming and expensive to collect. To mitigate the issue, we propose a denoising diffusion probabilistic model…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Haisong Ding , Bozhi Luan , Dongnan Gui , Kai Chen , Qiang Huo

Denoising diffusion probabilistic models (DDPMs) have achieved impressive performance on various image generation tasks, including image super-resolution. By learning to reverse the process of gradually diffusing the data distribution into…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Kai Zhao , Alex Ling Yu Hung , Kaifeng Pang , Haoxin Zheng , Kyunghyun Sung

Data scarcity hinders deep learning for medical imaging. We propose a framework for breast cancer classification in thermograms that addresses this using a Diffusion Probabilistic Model (DPM) for data augmentation. Our DPM-based…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Sepehr Salem , M. Moein Esfahani , Jingyu Liu , Vince Calhoun

Patients undergoing a mechanical thrombectomy procedure usually have a multi-detector CT (MDCT) scan before and after the intervention. The image quality of the flat panel detector CT (FDCT) present in the intervention room is generally…

图像与视频处理 · 电气工程与系统科学 2025-08-28 Hélène Corbaz , Anh Nguyen , Victor Schulze-Zachau , Paul Friedrich , Alicia Durrer , Florentin Bieder , Philippe C. Cattin , Marios N Psychogios

Denoising Diffusion Probabilistic Models (DDPMs) exhibit remarkable capabilities in image generation, with studies suggesting that they can generalize by composing latent factors learned from the training data. In this work, we go further…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Justin Deschenaux , Igor Krawczuk , Grigorios Chrysos , Volkan Cevher

Denoising diffusion probabilistic models (DDPMs) (Ho et al. 2020) have shown impressive results on image and waveform generation in continuous state spaces. Here, we introduce Discrete Denoising Diffusion Probabilistic Models (D3PMs),…

机器学习 · 计算机科学 2023-02-23 Jacob Austin , Daniel D. Johnson , Jonathan Ho , Daniel Tarlow , Rianne van den Berg

Diffusion Probabilistic Models (DPMs) have recently shown remarkable performance in image generation tasks, which are capable of generating highly realistic images. When adopting DPMs for image restoration tasks, the crucial aspect lies in…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Yi Zhang , Xiaoyu Shi , Dasong Li , Xiaogang Wang , Jian Wang , Hongsheng Li

Free-form image inpainting is the task of reconstructing parts of an image specified by an arbitrary binary mask. In this task, it is typically desired to generalize model capabilities to unseen mask types, rather than learning certain mask…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Moein Heidari , Alireza Morsali , Tohid Abedini , Samin Heydarian

The introduction of diffusion models in anomaly detection has paved the way for more effective and accurate image reconstruction in pathologies. However, the current limitations in controlling noise granularity hinder diffusion models'…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Cosmin I. Bercea , Michael Neumayr , Daniel Rueckert , Julia A. Schnabel

Although many long-range imaging systems are designed to support extended vision applications, a natural obstacle to their operation is degradation due to atmospheric turbulence. Atmospheric turbulence causes significant degradation to…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Nithin Gopalakrishnan Nair , Kangfu Mei , Vishal M. Patel

Generative AI has received significant attention among a spectrum of diverse industrial and academic domains, thanks to the magnificent results achieved from deep generative models such as generative pre-trained transformers (GPT) and…

信息论 · 计算机科学 2023-10-06 Mehdi Letafati , Samad Ali , Matti Latva-aho

Denoising diffusion probabilistic models (DDPM) are a class of generative models which have recently been shown to produce excellent samples. We show that with a few simple modifications, DDPMs can also achieve competitive log-likelihoods…

机器学习 · 计算机科学 2021-02-22 Alex Nichol , Prafulla Dhariwal

Hyperspectral images (HSI) have a large amount of spectral information reflecting the characteristics of matter, while their spatial resolution is low due to the limitations of imaging technology. Complementary to this are multispectral…

图像与视频处理 · 电气工程与系统科学 2023-07-10 Shuaikai Shi , Lijun Zhang , Jie Chen