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Diffusion models have enabled remarkably high-quality medical image generation, yet it is challenging to enforce anatomical constraints in generated images. To this end, we propose a diffusion model-based method that supports…

Image and Video Processing · Electrical Eng. & Systems 2024-06-21 Nicholas Konz , Yuwen Chen , Haoyu Dong , Maciej A. Mazurowski

Collecting and annotating medical images is a time-consuming and resource-intensive task. However, generating synthetic data through models such as Diffusion offers a cost-effective alternative. This paper introduces a new method for the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Ruochen Pi , Lianlei Shan

In recent years, semantic segmentation has become a pivotal tool in processing and interpreting satellite imagery. Yet, a prevalent limitation of supervised learning techniques remains the need for extensive manual annotations by experts.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Aysim Toker , Marvin Eisenberger , Daniel Cremers , Laura Leal-Taixé

Recent work has shown great progress in integrating spatial conditioning to control large, pre-trained text-to-image diffusion models. Despite these advances, existing methods describe the spatial image content using hand-crafted…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Jiayi Wang , Kevin Alexander Laube , Yumeng Li , Jan Hendrik Metzen , Shin-I Cheng , Julio Borges , Anna Khoreva

Computed tomography (CT) is critical for various clinical applications, e.g., radiotherapy treatment planning and also PET attenuation correction. However, CT exposes radiation during acquisition, which may cause side effects to patients.…

Computer Vision and Pattern Recognition · Computer Science 2016-12-19 Dong Nie , Roger Trullo , Caroline Petitjean , Su Ruan , Dinggang Shen

Conditional image synthesis based on user-specified requirements is a key component in creating complex visual content. In recent years, diffusion-based generative modeling has become a highly effective way for conditional image synthesis,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Zheyuan Zhan , Defang Chen , Jian-Ping Mei , Zhenghe Zhao , Jiawei Chen , Chun Chen , Siwei Lyu , Can Wang

Generative Adversarial Networks (GANs) have been extremely successful in various application domains such as computer vision, medicine, and natural language processing. Moreover, transforming an object or person to a desired shape become a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Pourya Shamsolmoali , Masoumeh Zareapoor , Eric Granger , Huiyu Zhou , Ruili Wang , M. Emre Celebi , Jie Yang

Diffusion models have shown impressive performance for generative modelling of images. In this paper, we present a novel semantic segmentation method based on diffusion models. By modifying the training and sampling scheme, we show that…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Julia Wolleb , Robin Sandkühler , Florentin Bieder , Philippe Valmaggia , Philippe C. Cattin

The availability of large-scale chest X-ray datasets is a requirement for developing well-performing deep learning-based algorithms in thoracic abnormality detection and classification. However, biometric identifiers in chest radiographs…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Kai Packhäuser , Lukas Folle , Florian Thamm , Andreas Maier

The rapid advancement of Artificial Intelligence (AI) in biomedical imaging and radiotherapy is hindered by the limited availability of large imaging data repositories. With recent research and improvements in denoising diffusion…

Image and Video Processing · Electrical Eng. & Systems 2024-03-27 Rowan Bradbury , Katherine A. Vallis , Bartlomiej W. Papiez

Generative models are used as an alternative data augmentation technique to alleviate the data scarcity problem faced in the medical imaging field. Diffusion models have gathered special attention due to their innovative generation…

Image and Video Processing · Electrical Eng. & Systems 2024-03-27 Ricardo Montoya-del-Angel , Karla Sam-Millan , Joan C Vilanova , Robert Martí

Surgical scene segmentation is essential for enhancing surgical precision, yet it is frequently compromised by the scarcity and imbalance of available data. To address these challenges, semantic image synthesis methods based on generative…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Yihang Zhou , Rebecca Towning , Zaid Awad , Stamatia Giannarou

Recent advances in denoising diffusion probabilistic models have shown great success in image synthesis tasks. While there are already works exploring the potential of this powerful tool in image semantic segmentation, its application in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Xinrong Hu , Yu-Jen Chen , Tsung-Yi Ho , Yiyu Shi

This work introduces a new latent diffusion model to generate high-quality 3D chest CT scans conditioned on 3D anatomical masks. The method synthesizes volumetric images of size 256x256x256 at 1 mm isotropic resolution using a single…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Anna Oliveras , Roger Marí , Rafael Redondo , Oriol Guardià , Ana Tost , Bhalaji Nagarajan , Carolina Migliorelli , Vicent Ribas , Petia Radeva

Recent advances in synthetic imaging open up opportunities for obtaining additional data in the field of surgical imaging. This data can provide reliable supplements supporting surgical applications and decision-making through computer…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Simeon Allmendinger , Patrick Hemmer , Moritz Queisner , Igor Sauer , Leopold Müller , Johannes Jakubik , Michael Vössing , Niklas Kühl

Non-contrast CT (NCCT) imaging may reduce image contrast and anatomical visibility, potentially increasing diagnostic uncertainty. In contrast, contrast-enhanced CT (CECT) facilitates the observation of regions of interest (ROI). Leading…

Image and Video Processing · Electrical Eng. & Systems 2024-11-18 Tingyi Lin , Pengju Lyu , Jie Zhang , Yuqing Wang , Cheng Wang , Jianjun Zhu

Diffusion models were initially developed for text-to-image generation and are now being utilized to generate high quality synthetic images. Preceded by GANs, diffusion models have shown impressive results using various evaluation metrics.…

Image and Video Processing · Electrical Eng. & Systems 2024-07-09 Muhammad Usman Akbar , Wuhao Wang , Anders Eklund

Deep neural networks have brought remarkable breakthroughs in medical image analysis. However, due to their data-hungry nature, the modest dataset sizes in medical imaging projects might be hindering their full potential. Generating…

We investigate the utility of diffusion generative models to efficiently synthesise datasets that effectively train deep learning models for image analysis. Specifically, we propose novel $\Gamma$-distribution Latent Denoising Diffusion…

Image and Video Processing · Electrical Eng. & Systems 2024-10-01 David Stojanovski , Mariana da Silva , Pablo Lamata , Arian Beqiri , Alberto Gomez

We present a new method for synthesizing high-resolution photo-realistic images from semantic label maps using conditional generative adversarial networks (conditional GANs). Conditional GANs have enabled a variety of applications, but the…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Ting-Chun Wang , Ming-Yu Liu , Jun-Yan Zhu , Andrew Tao , Jan Kautz , Bryan Catanzaro