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Limited angle CT reconstruction is an under-determined linear inverse problem that requires appropriate regularization techniques to be solved. In this work we study how pre-trained generative adversarial networks (GANs) can be used to…

Image and Video Processing · Electrical Eng. & Systems 2020-01-30 Rushil Anirudh , Hyojin Kim , Jayaraman J. Thiagarajan , K. Aditya Mohan , Kyle M. Champley

Computed tomography (CT) uses X-ray measurements taken from sensors around the body to generate tomographic images of the human body. Conventional reconstruction algorithms can be used if the X-ray data are adequately sampled and of high…

Image and Video Processing · Electrical Eng. & Systems 2021-12-28 Ruiwen Xing , Thomas Humphries , Dong Si

As a means to extract biomarkers from medical imaging, radiomics has attracted increased attention from researchers. However, reproducibility and performance of radiomics in low dose CT scans are still poor, mostly due to noise. Deep…

Quantitative Methods · Quantitative Biology 2021-09-17 Junhua Chen , Leonard Wee , Andre Dekker , Inigo Bermejo

Generative Adversarial Networks (GANs) are now capable of producing synthetic face images of exceptionally high visual quality. In parallel to the development of GANs themselves, efforts have been made to develop metrics to objectively…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Richard T. Marriott , Safa Madiouni , Sami Romdhani , Stéphane Gentric , Liming Chen

Anatomical landmark segmentation and pathology localization are important steps in automated analysis of medical images. They are particularly challenging when the anatomy or pathology is small, as in retinal images and cardiac MRI, or when…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Dwarikanath Mahapatra , Behzad Bozorgtabar

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…

Image and Video Processing · Electrical Eng. & Systems 2020-06-08 Vismay Agrawal , Avinash Kori , Vikas Kumar Anand , Ganapathy Krishnamurthi

Synthesizing high quality saliency maps from noisy images is a challenging problem in computer vision and has many practical applications. Samples generated by existing techniques for saliency detection cannot handle the noise perturbations…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Prerana Mukherjee , Manoj Sharma , Megh Makwana , Ajay Pratap Singh , Avinash Upadhyay , Akkshita Trivedi , Brejesh Lall , Santanu Chaudhury

Computed tomography (CT) is widely used in screening, diagnosis, and image-guided therapy for both clinical and research purposes. Since CT involves ionizing radiation, an overarching thrust of related technical research is development of…

Image and Video Processing · Electrical Eng. & Systems 2019-06-25 Chenyu You , Guang Li , Yi Zhang , Xiaoliu Zhang , Hongming Shan , Shenghong Ju , Zhen Zhao , Zhuiyang Zhang , Wenxiang Cong , Michael W. Vannier , Punam K. Saha , Ge Wang

Purpose: To assess whether a generative adversarial network (GAN) could synthesize realistic optical coherence tomography (OCT) images that satisfactorily serve as the educational images for retinal specialists and the training datasets for…

Medical Physics · Physics 2020-06-02 Ce Zheng , Xiaolin Xie , Kang Zhou , Bang Chen , Jili Chen , Haiyun Ye , Wen Li , Tong Qiao , Shenghua Gao , Jianlong Yang , Jiang Liu

In this paper, we introduce Logic Tensor Network-Enhanced Generative Adversarial Network (LTN-GAN), a novel framework that enhances Generative Adversarial Networks (GANs) by incorporating Logic Tensor Networks (LTNs) to enforce…

Machine Learning · Computer Science 2026-01-08 Nijesh Upreti , Vaishak Belle

Generative adversarial networks (GANs) offer an effective solution to the image-to-image translation problem, thereby allowing for new possibilities in medical imaging. They can translate images from one imaging modality to another at a low…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Agnieszka Tomczak , Aarushi Gupta , Slobodan Ilic , Nassir Navab , Shadi Albarqouni

Generative Adversarial Networks (GANs) have been successfully used to synthesize realistically looking images of faces, scenery and even medical images. Unfortunately, they usually require large training datasets, which are often scarce in…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Christoph Baur , Shadi Albarqouni , Nassir Navab

Generative Adversarial Networks (GANs) have gained significant attention in several computer vision tasks for generating high-quality synthetic data. Various medical applications including diagnostic imaging and radiation therapy can…

Image and Video Processing · Electrical Eng. & Systems 2022-07-25 Sanaz Mohammadjafari , Mucahit Cevik , Ayse Basar

Generative Adversarial Networks have been crucial in the developments made in unsupervised learning in recent times. Exemplars of image synthesis from text or other images, these networks have shown remarkable improvements over conventional…

Machine Learning · Computer Science 2019-09-02 Rohan Akut , Sumukh Marathe , Rucha Apte , Ishan Joshi , Siddhivinayak Kulkarni

Generative Adversarial Networks (GANs) have shown promise in augmenting datasets and boosting convolutional neural networks' (CNN) performance on image classification tasks. But they introduce more hyperparameters to tune as well as the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Amil Dravid , Florian Schiffers , Yunan Wu , Oliver Cossairt , Aggelos K. Katsaggelos

The cryo-electron microscopy (Cryo-EM) becomes popular for macromolecular structure determination. However, the 2D images which Cryo-EM detects are of high noise and often mixed with multiple heterogeneous conformations or contamination,…

Image and Video Processing · Electrical Eng. & Systems 2022-02-22 Hanlin Gu , Yin Xian , Ilona Christy Unarta , Yuan Yao

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…

Computer Vision and Pattern Recognition · Computer Science 2018-06-21 Per Welander , Simon Karlsson , Anders Eklund

Generative Adversarial Networks (GANs) have facilitated a new direction to tackle the image-to-image transformation problem. Different GANs use generator and discriminator networks with different losses in the objective function. Still…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Kancharagunta Kishan Babu , Shiv Ram Dubey

Image-to-image translation is considered a new frontier in the field of medical image analysis, with numerous potential applications. However, a large portion of recent approaches offers individualized solutions based on specialized…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Karim Armanious , Chenming Jiang , Marc Fischer , Thomas Küstner , Konstantin Nikolaou , Sergios Gatidis , Bin Yang

Generative adversarial networks (GANs) are one powerful type of deep learning models that have been successfully utilized in numerous fields. They belong to a broader family called generative methods, which generate new data with a…