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Quantitative ultrasound (QUS) parameters such as the effective scatterer diameter (ESD) reveal tissue properties by analyzing ultrasound backscattered echo signal. ESD can be attained through parametrizing backscatter coefficient using form…

Signal Processing · Electrical Eng. & Systems 2021-09-22 Noushin Jafarpisheh , Ivan M. Rosado-Mendez , Timothy J. Hall , Hassan Rivaz

Quantitative UltraSound (QUS) aims to reveal information about the tissue microstructure using backscattered echo signals from clinical scanners. Among different QUS parameters, scatterer number density is an important property that can…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 Ali K. Z. Tehrani , Ivan M. Rosado-Mendez , Hassan Rivaz

Quantitative ultrasound (QUS) can reveal crucial information on tissue properties such as scatterer density. If the scatterer density per resolution cell is above or below 10, the tissue is considered as fully developed speckle (FDS) or…

Image and Video Processing · Electrical Eng. & Systems 2024-10-30 Ali K. Z. Tehrani , Mina Amiri , Ivan M. Rosado-Mendez , Timothy J. Hall , Hassan Rivaz

Previous studies on computer aided detection/diagnosis (CAD) in 4D breast magnetic resonance imaging (MRI) regard lesion detection, segmentation and characterization as separate tasks, and typically require users to manually select 2D MRI…

Image and Video Processing · Electrical Eng. & Systems 2020-07-08 Hang Min , Darryl McClymont , Shekhar S. Chandra , Stuart Crozier , Andrew P. Bradley

Reliable classification of benign and malignant lesions in breast ultrasound images can provide an effective and relatively low cost method for early diagnosis of breast cancer. The accuracy of the diagnosis is however highly dependent on…

Image and Video Processing · Electrical Eng. & Systems 2021-02-24 Elham Yousef Kalaf , Ata Jodeiri , Seyed Kamaledin Setarehdan , Ng Wei Lin , Kartini Binti Rahman , Nur Aishah Taib , Sarinder Kaur Dhillon

Accurate tumor segmentation and classification in breast ultrasound (BUS) imaging remain challenging due to low contrast, speckle noise, and diverse lesion morphology. This study presents a multi-task deep learning framework that jointly…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Samuel E. Johnny , Bernes L. Atabonfack , Israel Alagbe , Assane Gueye

Background \& purpose: The recent emergence of neural networks models for the analysis of breast images has been a breakthrough in computer aided diagnostic. This approach was not yet developed in Contrast Enhanced Spectral Mammography…

Image and Video Processing · Electrical Eng. & Systems 2022-08-01 Clément Jailin , Pablo Milioni , Zhijin Li , Răzvan Iordache , Serge Muller

The improved diagnostic accuracy of ultrasound breast examinations remains an important goal. In this study, we propose a biophysical feature based machine learning method for breast cancer detection to improve the performance beyond a…

Image and Video Processing · Electrical Eng. & Systems 2022-07-15 Jihye Baek , Avice M. O'Connell , Kevin J. Parker

Quantitative ultrasound (QUS) offers a non-invasive and objective way to quantify tissue health. We recently presented a spatially adaptive regularization method for reconstruction of a single QUS parameter, limited to a two dimensional…

Quantitative ultrasound (QUS) aims to find properties of scatterers which are related to the tissue microstructure. Among different QUS parameters, scatterer number density has been found to be a reliable biomarker for detecting different…

Signal Processing · Electrical Eng. & Systems 2023-02-28 Ali K. Z. Tehrani , Ivan M. Rosado-Mendez , Hayley Whitson , Hassan Rivaz

Quantitative ultrasound (QUS) methods provide a promising framework that can non-invasively and inexpensively be used to predict or assess the tumour response to cancer treatment. The first step in using the QUS methods is to select a…

Computer Vision and Pattern Recognition · Computer Science 2016-02-09 Hamid R. Tizhoosh , Mehrdad J. Gangeh , Hadi Tadayyon , Gregory J. Czarnota

Breast ultrasound (US) is an effective imaging modality for breast cancer detection and diagnosis. US computer-aided diagnosis (CAD) systems have been developed for decades and have employed either conventional hand-crafted features or…

Medical Physics · Physics 2020-03-12 Erlei Zhang , Stephen Seiler , Mingli Chen , Weiguo Lu , Xuejun Gu

Elastography ultrasound (EUS) provides additional bio-mechanical in-formation about lesion for B-mode ultrasound (BUS) in the diagnosis of breast cancers. However, joint utilization of both BUS and EUS is not popular due to the lack of EUS…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Han Xiangmin , Wang Jun , Zhou Weijun , Chang Cai , Ying Shihui , Shi Jun

Mammography and ultrasound are extensively used by radiologists as complementary modalities to achieve better performance in breast cancer diagnosis. However, existing computer-aided diagnosis (CAD) systems for the breast are generally…

Image and Video Processing · Electrical Eng. & Systems 2020-09-24 Gavriel Habib , Nahum Kiryati , Miri Sklair-Levy , Anat Shalmon , Osnat Halshtok Neiman , Renata Faermann Weidenfeld , Yael Yagil , Eli Konen , Arnaldo Mayer

Breast ultrasound (BUS) image segmentation is challenging and critical for BUS Comput-er-Aided Diagnosis (CAD) systems. Many BUS segmentation approaches have been studied in the last two decades, but the performances of most approaches have…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Min Xian , Yingtao Zhang , H. D. Cheng , Fei Xu , Kuan Huang , Boyu Zhang , Jianrui Ding , Chunping Ning , Ying Wang

Characterization of breast lesions is an essential prerequisite to detect breast cancer in an early stage. Automatic segmentation makes this categorization method robust by freeing it from subjectivity and human error. Both spectral and…

Computer Vision and Pattern Recognition · Computer Science 2017-03-27 Mohammad Saad Billah , Tahmida Binte Mahmud

The main objective of this project is to segment different breast ultrasound images to find out lesion area by discarding the low contrast regions as well as the inherent speckle noise. The proposed method consists of three stages (removing…

Computer Vision and Pattern Recognition · Computer Science 2016-09-28 Ibrahim Sadek , Mohamed Elawady , Viktor Stefanovski

Quantitative ultrasound (QUS) analyzes the ultrasound backscattered data to find the properties of scatterers that correlate with the tissue microstructure. Statistics of the envelope of the backscattered radiofrequency (RF) data can be…

Signal Processing · Electrical Eng. & Systems 2024-01-23 Ali K. Z. Tehrani , Guy Cloutier , An Tang , Ivan M. Rosado-Mendez , Hassan Rivaz

Magnetic resonance imaging (MRI) is an effective imaging modality for identifying and localizing breast lesions in women. Accurate and precise lesion segmentation using a computer-aided-diagnosis (CAD) system, is a crucial step in…

Computer Vision and Pattern Recognition · Computer Science 2017-12-15 Sulaiman Vesal , Andres Diaz-Pinto , Nishant Ravikumar , Stephan Ellmann , Amirabbas Davari , Andreas Maier

Segmentation is one of the most significant steps in image processing. Segmenting an image is a technique that makes it possible to separate a digital image into various areas based on the different characteristics of pixels in the image.…

Image and Video Processing · Electrical Eng. & Systems 2024-11-20 Sina Derakhshandeh , Ali Mahloojifar
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