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Synthetic cardiac MRI (CMRI) generation has emerged as a promising strategy to overcome the scarcity of annotated medical imaging data. Recent advances in GANs, VAEs, diffusion probabilistic models, and flow-matching techniques aim to…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Ishan Kumarasinghe , Dasuni Kawya , Madhura Edirisooriya , Isuri Devindi , Isuru Nawinne , Vajira Thambawita

Electron density maps must be accurately estimated to achieve valid dose calculation in MR-only radiotherapy. The goal of this study is to assess whether two deep learning models, the conditional generative adversarial network (cGAN) and…

Computed tomography (CT) is a beneficial imaging tool for diagnostic purposes. CT scans provide detailed information concerning the internal anatomic structures of a patient, but present higher radiation dose and costs compared to X-ray…

图像与视频处理 · 电气工程与系统科学 2024-03-05 Benjamin Paulson , Joshua Goldshteyn , Sydney Balboni , John Cisler , Andrew Crisler , Natalia Bukowski , Julia Kalish , Theodore Colwell

Data augmentation is essential for medical research to increase the size of training datasets and achieve better results. In this work, we experiment three GAN architectures with different loss functions to generate new brain MRIs. The…

图像与视频处理 · 电气工程与系统科学 2020-02-10 Antoine Delplace

Positron Emission Tomography (PET) imaging requires accurate attenuation correction (AC) to account for photon loss due to tissue density variations. In PET/MR systems, computed tomography (CT), which offers a straightforward estimation of…

图像与视频处理 · 电气工程与系统科学 2025-04-11 Weijie Chen , James Wang , Alan McMillan

In medical imaging, a general problem is that it is costly and time consuming to collect high quality data from healthy and diseased subjects. Generative adversarial networks (GANs) is a deep learning method that has been developed for…

计算机视觉与模式识别 · 计算机科学 2018-06-21 Per Welander , Simon Karlsson , Anders Eklund

Magnetic Resonance Imaging (MRI) is a vital modality for gaining precise anatomical information, and it plays a significant role in medical imaging for diagnosis and therapy planning. Image synthesis problems have seen a revolution in…

图像与视频处理 · 电气工程与系统科学 2024-04-16 Drici Mourad , Kazeem Oluwakemi Oseni

Medical image synthesis is a challenging task due to the scarcity of paired data. Several methods have applied CycleGAN to leverage unpaired data, but they often generate inaccurate mappings that shift the anatomy. This problem is further…

图像与视频处理 · 电气工程与系统科学 2023-08-02 Minh Hieu Phan , Zhibin Liao , Johan W. Verjans , Minh-Son To

This paper newly introduces multi-modality loss function for GAN-based super-resolution that can maintain image structure and intensity on unpaired training dataset of clinical CT and micro CT volumes. Precise non-invasive diagnosis of lung…

图像与视频处理 · 电气工程与系统科学 2020-04-08 Tong Zheng , Hirohisa Oda , Takayasu Moriya , Shota Nakamura , Masahiro Oda , Masaki Mori , Horitsugu Takabatake , Hiroshi Natori , Kensaku Mori

Last-generation GAN models allow to generate synthetic images which are visually indistinguishable from natural ones, raising the need to develop tools to distinguish fake and natural images thus contributing to preserve the trustworthiness…

计算机视觉与模式识别 · 计算机科学 2020-10-05 Mauro Barni , Kassem Kallas , Ehsan Nowroozi , Benedetta Tondi

Tagged magnetic resonance imaging (MRI) is a widely used imaging technique for measuring tissue deformation in moving organs. Due to tagged MRI's intrinsic low anatomical resolution, another matching set of cine MRI with higher resolution…

图像与视频处理 · 电气工程与系统科学 2021-06-08 Xiaofeng Liu , Fangxu Xing , Jerry L. Prince , Aaron Carass , Maureen Stone , Georges El Fakhri , Jonghye Woo

Deep learning has a great potential to alleviate diagnosis and prognosis for various clinical procedures. However, the lack of a sufficient number of medical images is the most common obstacle in conducting image-based analysis using deep…

图像与视频处理 · 电气工程与系统科学 2022-05-23 Marija Habijan , Irena Galic

Cross modal image syntheses is gaining significant interests for its ability to estimate target images of a different modality from a given set of source images,like estimating MR to MR, MR to CT, CT to PET etc, without the need for an…

计算机视觉与模式识别 · 计算机科学 2018-07-02 Deepa Gunashekar , Sailesh Conjeti , Abhijit Guha Roy , Nassir Navab , Kuangyu Shi

We present a method for synthesizing naturally looking images of multiple people interacting in a specific scenario. These images benefit from the advantages of synthetic data: being fully controllable and fully annotated with any type of…

计算机视觉与模式识别 · 计算机科学 2020-06-04 Igor Kviatkovsky , Nadav Bhonker , Gerard Medioni

Generative models are becoming popular for the synthesis of medical images. Recently, neural diffusion models have demonstrated the potential to generate photo-realistic images of objects. However, their potential to generate medical images…

图像与视频处理 · 电气工程与系统科学 2022-11-03 Hazrat Ali , Shafaq Murad , Zubair Shah

To enable magnetic resonance (MR)-only radiotherapy and facilitate modelling of radiation attenuation in humans, synthetic-CT (sCT) images need to be generated. Considering the application of MR-guided radiotherapy and online adaptive…

In our comprehensive experiments and evaluations, we show that it is possible to generate multiple contrast (even all synthetically) and use synthetically generated images to train an image segmentation engine. We showed promising…

图像与视频处理 · 电气工程与系统科学 2022-07-07 Ismail Irmakci , Zeki Emre Unel , Nazli Ikizler-Cinbis , Ulas Bagci

In this paper we propose a mask-conditional synthetic image generation model for creating synthetic satellite imagery datasets. Given a dataset of real high-resolution images and accompanying land cover masks, we show that it is possible to…

计算机视觉与模式识别 · 计算机科学 2023-02-10 Van Anh Le , Varshini Reddy , Zixi Chen , Mengyuan Li , Xinran Tang , Anthony Ortiz , Simone Fobi Nsutezo , Caleb Robinson

Deep learning-based computer-aided diagnosis (CAD) of medical images requires large datasets. However, the lack of large publicly available labeled datasets limits the development of deep learning-based CAD systems. Generative Adversarial…

图像与视频处理 · 电气工程与系统科学 2025-03-04 Muhammad Rafiq , Hazrat Ali , Ghulam Mujtaba , Zubair Shah , Shoaib Azmat

Computed tomography (CT) equivalent information is needed for attenuation correction in PET imaging and for dose planning in radiotherapy. Prior work has shown that Gaussian mixture models can be used to generate a substitute CT (s-CT)…

应用统计 · 统计学 2016-09-29 Anders Hildeman , David Bolin , Jonas Wallin , Adam Johansson , Tufve Nyholm , Thomas Asklund , Jun Yu