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The success of Deep Learning applications critically depends on the quality and scale of the underlying training data. Generative adversarial networks (GANs) can generate arbitrary large datasets, but diversity and fidelity are limited,…

Person image synthesis with controllable body poses and appearances is an essential task owing to the practical needs in the context of virtual try-on, image editing and video production. However, existing methods face significant…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Enbo Huang , Yuan Zhang , Faliang Huang , Guangyu Zhang , Yang Liu

This paper proposes a two-stage segmentation model, variable-input based uncertainty measures and an uncertainty-guided post-processing method for prostate segmentation on 3D magnetic resonance images (MRI). The two-stage model was based on…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Huitong Pan , Yushan Feng , Quan Chen , Craig Meyer , Xue Feng

By decomposing the image formation process into a sequential application of denoising autoencoders, diffusion models (DMs) achieve state-of-the-art synthesis results on image data and beyond. Additionally, their formulation allows for a…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Robin Rombach , Andreas Blattmann , Dominik Lorenz , Patrick Esser , Björn Ommer

Objective: Latent diffusion models (LDM) could alleviate data scarcity challenges affecting machine learning development for medical imaging. However, medical LDM strategies typically rely on short-prompt text encoders, nonmedical LDMs, or…

图像与视频处理 · 电气工程与系统科学 2026-01-09 Emerson P. Grabke , Babak Taati , Masoom A. Haider

Magnetic Resonance (MR) Imaging and Computed Tomography (CT) are the primary diagnostic imaging modalities quite frequently used for surgical planning and analysis. A general problem with medical imaging is that the acquisition process is…

图像与视频处理 · 电气工程与系统科学 2020-06-08 Vismay Agrawal , Avinash Kori , Vikas Kumar Anand , Ganapathy Krishnamurthi

The diagnosis of prostate cancer faces a problem with overdiagnosis that leads to damaging side effects due to unnecessary treatment. Research has shown that the use of multi-parametric magnetic resonance images to conduct biopsies can…

图像与视频处理 · 电气工程与系统科学 2021-06-04 Pedro C. Neto

Denoising diffusion probabilistic models enable high-fidelity image synthesis and editing. In biomedicine, these models facilitate counterfactual image editing, producing pairs of images where one is edited to simulate hypothetical…

图像与视频处理 · 电气工程与系统科学 2024-07-23 Malek Ben Alaya , Daniel M. Lang , Benedikt Wiestler , Julia A. Schnabel , Cosmin I. Bercea

Whole gland (WG) segmentation of the prostate plays a crucial role in detection, staging and treatment planning of prostate cancer (PCa). Despite promise shown by deep learning (DL) methods, they rely on the availability of a considerable…

图像与视频处理 · 电气工程与系统科学 2021-07-23 Alvaro Fernandez-Quilez , Steinar Valle Larsen , Morten Goodwin , Thor Ole Gulsurd , Svein Reidar Kjosavik , Ketil Oppedal

Dynamic contrast-enhanced (DCE) MRI is essential for breast cancer diagnosis and treatment. However, its reliance on contrast agents introduces safety concerns, contraindications, increased cost, and workflow complexity. To this end, we…

Computer-aided tumor detection has shown great potential in enhancing the interpretation of over 80 million CT scans performed annually in the United States. However, challenges arise due to the rarity of CT scans with tumors, especially…

图像与视频处理 · 电气工程与系统科学 2024-09-11 Qi Chen , Yuxiang Lai , Xiaoxi Chen , Qixin Hu , Alan Yuille , Zongwei Zhou

We show that high quality, diverse and realistic-looking diffusion-weighted magnetic resonance images can be synthesized using deep generative models. Based on professional neuroradiologists' evaluations and diverse metrics with respect to…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Alejandro Ungría Hirte , Moritz Platscher , Thomas Joyce , Jeremy J. Heit , Eric Tranvinh , Christian Federau

Current methods for single-image depth estimation use training datasets with real image-depth pairs or stereo pairs, which are not easy to acquire. We propose a framework, trained on synthetic image-depth pairs and unpaired real images,…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Chuanxia Zheng , Tat-Jen Cham , Jianfei Cai

Recent breakthroughs in synthetic data generation approaches made it possible to produce highly photorealistic images which are hardly distinguishable from real ones. Furthermore, synthetic generation pipelines have the potential to…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Alon Shoshan , Nadav Bhonker , Igor Kviatkovsky , Matan Fintz , Gerard Medioni

Rapid development of disease detection computer vision models is vital in response to urgent medical crises like epidemics or events of bioterrorism. However, traditional data gathering methods are too slow for these scenarios necessitating…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Yudara Kularathne , Prathapa Janitha , Sithira Ambepitiya , Thanveer Ahamed , Dinuka Wijesundara , Prarththanan Sothyrajah

Deep learning based Computer Aided Diagnosis (CAD) systems have been developed to treat breast ultrasound. Most of them focus on a single ultrasound imaging modality, either using representative static images or the dynamic video of a…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Yunwen Huang , Hongyu Hu , Ying Zhu , Yi Xu

The success of many computer vision tasks lies in the ability to exploit the interdependency between different image modalities such as intensity and depth. Fusing corresponding information can be achieved on several levels, and one…

计算机视觉与模式识别 · 计算机科学 2014-06-26 Martin Kiechle , Tim Habigt , Simon Hawe , Martin Kleinsteuber

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…

图像与视频处理 · 电气工程与系统科学 2024-06-21 Nicholas Konz , Yuwen Chen , Haoyu Dong , Maciej A. Mazurowski

Segmentation of enhancement in LGE cardiac MRI is critical for diagnosing various ischemic and non-ischemic cardiomyopathies. However, creating pixel-level annotations for these images is challenging and labor-intensive, leading to limited…

人工智能 · 计算机科学 2026-03-20 Athira J. Jacob , Puneet Sharma , Daniel Rueckert

In most studies on learning-based image super-resolution (SR), the paired training dataset is created by downscaling high-resolution (HR) images with a predetermined operation (e.g., bicubic). However, these methods fail to super-resolve…

图像与视频处理 · 电气工程与系统科学 2020-02-27 Shunta Maeda