Evidence map›Paper›PMID 34460695›Full record

ArticleJournal of imaging2020

Full 3D Microwave Breast Imaging Using a Deep-Learning Technique.

Vahab Khoshdel, Mohammad Asefi, Ahmed Ashraf, Joe LoVetri

Abstract read
In one paragraph

Article in Journal of imaging, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Vahab KhoshdelDepartment of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB R3T 5V6, Canada.ORCID 0000-0002-6241-8467
Mohammad AsefiDepartment of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB R3T 5V6, Canada.
Ahmed AshrafDepartment of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB R3T 5V6, Canada.
Joe LoVetriDepartment of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB R3T 5V6, Canada.

Funding

Canadian Cancer Society 300028Natural Sciences and Engineering Research Council of Canada
6 · The paper itself

Abstract

A deep learning technique to enhance 3D images of the complex-valued permittivity of the breast obtained via microwave imaging is investigated. The developed technique is an extension of one created to enhance 2D images. We employ a 3D Convolutional Neural Network, based on the U-Net architecture, that takes in 3D images obtained using the Contrast-Source Inversion (CSI) method and attempts to produce the true 3D image of the permittivity. The training set consists of 3D CSI images, along with the true numerical phantom images from which the microwave scattered field utilized to create the CSI reconstructions was synthetically generated. Each numerical phantom varies with respect to the size, number, and location of tumors within the fibroglandular region. The reconstructed permittivity images produced by the proposed 3D U-Net show that the network is not only able to remove the artifacts that are typical of CSI reconstructions, but it also enhances the detectability of the tumors. We test the trained U-Net with 3D images obtained from experimentally collected microwave data as well as with images obtained synthetically. Significantly, the results illustrate that although the network was trained using only images obtained from synthetic data, it performed well with images obtained from both synthetic and experimental data. Quantitative evaluations are reported using Receiver Operating Characteristics (ROC) curves for the tumor detectability and RMS error for the enhancement of the reconstructions.

Indexed as

convolutional neural networksdeep learningimage reconstructionmicrowave breast imagingtumor detection

Identifiers

PMID34460695
PMCPMC8321110

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.