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Related papers: SdCT-GAN: Reconstructing CT from Biplanar X-Rays w…

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Computational tomography (CT) provides high-resolution medical imaging, but it can expose patients to high radiation. X-ray scanners have low radiation exposure, but their resolutions are low. This paper proposes a new conditional diffusion…

Image and Video Processing · Electrical Eng. & Systems 2025-01-20 Yun Su Jeong , Hye Bin Yoo , Il Yong Chun

To obtain high-quality positron emission tomography (PET) scans while reducing radiation exposure to the human body, various approaches have been proposed to reconstruct standard-dose PET (SPET) images from low-dose PET (LPET) images. One…

Image and Video Processing · Electrical Eng. & Systems 2023-08-22 Zeyu Han , Yuhan Wang , Luping Zhou , Peng Wang , Binyu Yan , Jiliu Zhou , Yan Wang , Dinggang Shen

There remains an important need for the development of image reconstruction methods that can produce diagnostically useful images from undersampled measurements. In magnetic resonance imaging (MRI), for example, such methods can facilitate…

Image and Video Processing · Electrical Eng. & Systems 2021-06-28 Varun A. Kelkar , Sayantan Bhadra , Mark A. Anastasio

In medical imaging, access to data is commonly limited due to patient privacy restrictions and the issue that it can be difficult to acquire enough data in the case of rare diseases.[1] The purpose of this investigation was to develop a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 John R. McNulty , Lee Kho , Alexandria L. Case , Charlie Fornaca , Drew Johnston , David Slater , Joshua M. Abzug , Sybil A. Russell

Computed Tomography (CT) is a non-invasive imaging modality with applications ranging from healthcare to security. It reconstructs cross-sectional images of an object using a collection of projection data collected at different angles.…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Muhammad Usman Ghani , W. Clem Karl

While most existing segmentation methods usually combined the powerful feature extraction capabilities of CNNs with Conditional Random Fields (CRFs) post-processing, the result always limited by the fault of CRFs . Due to the notoriously…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 ZengShun Zhaoa , Yulong Wang , Ke Liu , Haoran Yang , Qian Sun , Heng Qiao

We develop a procedure for substantially improving the quality of segmented 3D micro-Computed Tomography (micro-CT) images of rocks with a Machine Learning (ML) Generative Model. The proposed model enhances the resolution eightfold (8x) and…

Image and Video Processing · Electrical Eng. & Systems 2025-01-14 Evgeny Ugolkov , Xupeng He , Hyung Kwak , Hussein Hoteit

Compensating scarce measurements by inferring them from computational models is a way to address ill-posed inverse problems. We tackle Limited Angle Tomography by completing the set of acquisitions using a generative model and…

Image and Video Processing · Electrical Eng. & Systems 2022-02-02 Emilien Valat , Katayoun Farrahi , Thomas Blumensath

In this paper, we propose the Self-Attention Generative Adversarial Network (SAGAN) which allows attention-driven, long-range dependency modeling for image generation tasks. Traditional convolutional GANs generate high-resolution details as…

Machine Learning · Statistics 2019-06-18 Han Zhang , Ian Goodfellow , Dimitris Metaxas , Augustus Odena

We propose a new approach to Generative Adversarial Networks (GANs) to achieve an improved performance with additional robustness to its so-called and well recognized mode collapse. We first proceed by mapping the desired data onto a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Shahin Mahdizadehaghdam , Ashkan Panahi , Hamid Krim

Generative adversarial networks (GANs) have provided promising data enrichment solutions by synthesizing high-fidelity images. However, generating large sets of labeled images with new anatomical variations remains unexplored. We propose a…

Image and Video Processing · Electrical Eng. & Systems 2020-08-03 Sina Amirrajab , Samaneh Abbasi-Sureshjani , Yasmina Al Khalil , Cristian Lorenz , Juergen Weese , Josien Pluim , Marcel Breeuwer

In the past few years, a lot of work has been done towards reconstructing the 3D facial structure from single images by capitalizing on the power of Deep Convolutional Neural Networks (DCNNs). In the most recent works, differentiable…

Computer Vision and Pattern Recognition · Computer Science 2020-09-09 Baris Gecer , Stylianos Ploumpis , Irene Kotsia , Stefanos Zafeiriou

Generating images via the generative adversarial network (GAN) has attracted much attention recently. However, most of the existing GAN-based methods can only produce low-resolution images of limited quality. Directly generating…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Yong Guo , Qi Chen , Jian Chen , Qingyao Wu , Qinfeng Shi , Mingkui Tan

Recent advances in convolutional neural networks have shown promising results in 3D shape completion. But due to GPU memory limitations, these methods can only produce low-resolution outputs. To inpaint 3D models with semantic plausibility…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Weiyue Wang , Qiangui Huang , Suya You , Chao Yang , Ulrich Neumann

Medical image synthesis has gained a great focus recently, especially after the introduction of Generative Adversarial Networks (GANs). GANs have been used widely to provide anatomically-plausible and diverse samples for augmentation and…

Image and Video Processing · Electrical Eng. & Systems 2020-02-07 Basel Alyafi , Oliver Diaz , Joan C Vilanova , Javier del Riego , Robert Marti

To efficiently extract textual information from color degraded document images is a significant research area. The prolonged imperfect preservation of ancient documents has led to various types of degradation, such as page staining, paper…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Rui-Yang Ju , Yu-Shian Lin , Jen-Shiun Chiang , Chih-Chia Chen , Wei-Han Chen , Chun-Tse Chien

With the recent development of deep learning on steganalysis, embedding secret information into digital images faces great challenges. In this paper, a secure steganography algorithm by using adversarial training is proposed. The…

Multimedia · Computer Science 2018-04-24 Jianhua Yang , Kai Liu , Xiangui Kang , Edward K. Wong , Yun-Qing Shi

Generative adversarial networks (GANs) transform low-dimensional latent vectors into visually plausible images. If the real dataset contains only clean images, then ostensibly, the manifold learned by the GAN should contain only clean…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Subarna Tripathi , Zachary C. Lipton , Truong Q. Nguyen

We introduce a novel generative autoencoder network model that learns to encode and reconstruct images with high quality and resolution, and supports smooth random sampling from the latent space of the encoder. Generative adversarial…

Machine Learning · Computer Science 2018-10-10 Ari Heljakka , Arno Solin , Juho Kannala

A resolution enhancement technique for optical coherence tomography (OCT), based on Generative Adversarial Networks (GANs), was developed and investigated. GANs have been previously used for resolution enhancement of photography and optical…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Kaicheng Liang , Xinyu Liu , Si Chen , Jun Xie , Wei Qing Lee , Linbo Liu , Hwee Kuan Lee