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In medical-data driven learning, 3D convolutional neural networks (CNNs) have started to show superior performance to 2D CNNs in numerous deep learning tasks, proving the added value of 3D spatial information in feature representation.…

Image and Video Processing · Electrical Eng. & Systems 2024-01-24 Xin Wang , Ruisheng Su , Weiyi Xie , Wenjin Wang , Yi Xu , Ritse Mann , Jungong Han , Tao Tan

A key limitation of deep convolutional neural networks (DCNN) based image segmentation methods is the lack of generalizability. Manually traced training images are typically required when segmenting organs in a new imaging modality or from…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Yuankai Huo , Zhoubing Xu , Hyeonsoo Moon , Shunxing Bao , Albert Assad , Tamara K. Moyo , Michael R. Savona , Richard G. Abramson , Bennett A. Landman

Most existing algorithms for automatic 3D morphometry of human brain MRI scans are designed for data with near-isotropic voxels at approximately 1 mm resolution, and frequently have contrast constraints as well - typically requiring T1…

Image and Video Processing · Electrical Eng. & Systems 2020-12-25 Juan Eugenio Iglesias , Benjamin Billot , Yael Balbastre , Azadeh Tabari , John Conklin , Daniel C. Alexander , Polina Golland , Brian L. Edlow , Bruce Fischl

Deep-learning-based MR-to-CT synthesis can estimate the electron density of tissues, thereby facilitating PET attenuation correction in whole-body PET/MR imaging. However, whole-body MR-to-CT synthesis faces several challenges including the…

Image and Video Processing · Electrical Eng. & Systems 2024-11-27 Jiaxu Zheng , Zhenrong Shen , Lichi Zhang , Qun Chen

This research embarked on a comparative exploration of the holistic segmentation capabilities of Convolutional Neural Networks (CNNs) in both 2D and 3D formats, focusing on cystic fibrosis (CF) lesions. The study utilized data from two CF…

Image and Video Processing · Electrical Eng. & Systems 2024-08-13 Amel Imene Hadj Bouzid , Baudouin Denis de Senneville , Fabien Baldacci , Pascal Desbarats , Patrick Berger , Ilyes Benlala , Gaël Dournes

As a fundamental part of computational healthcare, Computer Tomography (CT) and Magnetic Resonance Imaging (MRI) provide volumetric data, making the development of algorithms for 3D image analysis a necessity. Despite being computationally…

Image and Video Processing · Electrical Eng. & Systems 2023-07-26 C. I. Ugwu , S. Casarin , O. Lanz

Cardiac magnetic resonance (CMR) imaging and computed tomography (CT) are two common non-invasive imaging methods for assessing patients with cardiovascular disease. CMR typically acquires multiple sparse 2D slices, with unavoidable…

Image and Video Processing · Electrical Eng. & Systems 2024-08-15 Yiyang Xu , Hao Xu , Matthew Sinclair , Esther Puyol-Antón , Steven A Niederer , Amedeo Chiribiri , Steven E Williams , Michelle C Williams , Alistair A Young

Computed Tomography (CT) is an imaging technique where information about an object are collected at different angles (called projections or scans). Then the cross-sectional image showing the internal structure of the slice is produced by…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Zhengchun Liu , Rajkumar Kettimuthu , Ian Foster

In medical image synthesis, model training could be challenging due to the inconsistencies between images of different modalities even with the same patient, typically caused by internal status/tissue changes as different modalities are…

Image and Video Processing · Electrical Eng. & Systems 2021-09-16 Hajar Emami , Ming Dong , Siamak Nejad-Davarani , Carri Glide-Hurst

Deep learning has become a valuable tool for the automation of certain medical image segmentation tasks, significantly relieving the workload of medical specialists. Some of these tasks require segmentation to be performed on a subset of…

Image and Video Processing · Electrical Eng. & Systems 2024-02-06 José Morano , Guilherme Aresta , Dmitrii Lachinov , Julia Mai , Ursula Schmidt-Erfurth , Hrvoje Bogunović

In this paper, we develop a 2D and 3D segmentation pipelines for fully automated cardiac MR image segmentation using Deep Convolutional Neural Networks (CNN). Our models are trained end-to-end from scratch using the ACD Challenge 2017…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Jay Patravali , Shubham Jain , Sasank Chilamkurthy

The resurgence of deep neural networks has created an alternative pathway for low-dose computed tomography denoising by learning a nonlinear transformation function between low-dose CT (LDCT) and normal-dose CT (NDCT) image pairs. However,…

Image and Video Processing · Electrical Eng. & Systems 2022-11-04 Sutanu Bera , Prabir Kumar Biswas

Deep learning algorithm display powerful ability in Computer Vision area, in recent year, the CNN has been applied to solve problems in the subarea of Image-generating, which has been widely applied in areas such as photo editing, image…

Computer Vision and Pattern Recognition · Computer Science 2016-05-17 Xianye Liang , Bocheng Zhuo , Peijie Li , Liangju He

Multi-scale 3D characterization is widely used by materials scientists to further their understanding of the relationships between microscopic structure and macroscopic function. Scientific computed tomography (CT) instruments are one of…

Image and Video Processing · Electrical Eng. & Systems 2022-01-12 S. V. Venkatakrishnan , K. Aditya Mohan , Amir Koushyar Ziabari , Charles A. Bouman

Deep learning approaches based on convolutional neural networks (CNNs) have been successful in solving a number of problems in medical imaging, including image segmentation. In recent years, it has been shown that CNNs are vulnerable to…

Image and Video Processing · Electrical Eng. & Systems 2019-09-26 Liang Chen , Paul Bentley , Kensaku Mori , Kazunari Misawa , Michitaka Fujiwara , Daniel Rueckert

Automatic pancreas segmentation in radiology images, eg., computed tomography (CT) and magnetic resonance imaging (MRI), is frequently required by computer-aided screening, diagnosis, and quantitative assessment. Yet pancreas is a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-02 Jinzheng Cai , Le Lu , Fuyong Xing , Lin Yang

Deep learning has been successfully applied to recognizing both natural images and medical images. However, there remains a gap in recognizing 3D neuroimaging data, especially for psychiatric diseases such as schizophrenia and depression…

Image and Video Processing · Electrical Eng. & Systems 2022-11-23 Mengjiao Hu , Xudong Jiang , Kang Sim , Juan Helen Zhou , Cuntai Guan

Historically, patient datasets have been used to develop and validate various reconstruction algorithms for PET/MRI and PET/CT. To enable such algorithm development, without the need for acquiring hundreds of patient exams, in this paper we…

This paper investigates a 2D to 3D image translation method with a straightforward technique, enabling correlated 2D X-ray to 3D CT-like reconstruction. We observe that existing approaches, which integrate information across multiple 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Abril Corona-Figueroa , Hubert P. H. Shum , Chris G. Willcocks

With the growing technology of photon-counting detectors (PCD), spectral CT is a widely concerned topic which has the potential of material differentiation. However, due to some non-ideal factors such as cross talk and pulse pile-up of the…

Medical Physics · Physics 2020-07-21 Ao Zheng , Hongkai Yang , Li Zhang , Yuxiang Xing
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