Search Results for author: Hamid. R. Tizhoosh

Found 19 papers, 1 papers with code

Forming Local Intersections of Projections for Classifying and Searching Histopathology Images

no code implementations8 Aug 2020 Aditya Sriram, Shivam Kalra, Morteza Babaie, Brady Kieffer, Waddah Al Drobi, Shahryar Rahnamayan, Hany Kashani, Hamid. R. Tizhoosh

In this paper, we propose a novel image descriptor called Forming Local Intersections of Projections (FLIP) and its multi-resolution version (mFLIP) for representing histopathology images.

A new Local Radon Descriptor for Content-Based Image Search

no code implementations30 Jul 2020 Morteza Babaie, Hany Kashani, Meghana D. Kumar, Hamid. R. Tizhoosh

Content-based image retrieval (CBIR) is an essential part of computer vision research, especially in medical expert systems.

Content-Based Image Retrieval Retrieval

Representation Learning of Histopathology Images using Graph Neural Networks

no code implementations16 Apr 2020 Mohammed Adnan, Shivam Kalra, Hamid. R. Tizhoosh

Representation learning for Whole Slide Images (WSIs) is pivotal in developing image-based systems to achieve higher precision in diagnostic pathology.

Representation Learning whole slide images

Automatic Classification of Pathology Reports using TF-IDF Features

no code implementations5 Mar 2019 Shivam Kalra, Larry Li, Hamid. R. Tizhoosh

The results are encouraging in demonstrating the potential of machine learning methods for classification and encoding of pathology reports.

Classification General Classification +1

Comparing LBP, HOG and Deep Features for Classification of Histopathology Images

no code implementations3 May 2018 Taha J. Alhindi, Shivam Kalra, Ka Hin Ng, Anika Afrin, Hamid. R. Tizhoosh

In the present study, comparison of three classification models is conducted using features extracted using local binary patterns, the histogram of gradients, and a pre-trained deep network.

Classification Image Classification

Opposition based Ensemble Micro Differential Evolution

no code implementations8 Sep 2017 Hojjat Salehinejad, Shahryar Rahnamayan, Hamid. R. Tizhoosh

Differential evolution (DE) algorithm with a small population size is called Micro-DE (MDE).

Benchmarking

Tumour Ellipsification in Ultrasound Images for Treatment Prediction in Breast Cancer

no code implementations13 Jan 2017 Mehrdad J. Gangeh, Hamid. R. Tizhoosh, Kan Wu, Dun Huang, Hadi Tadayyon, Gregory J. Czarnota

One of the earliest steps in using QUS methods is contouring a region of interest (ROI) inside the tumour in ultrasound B-mode images.

Barcodes for Medical Image Retrieval Using Autoencoded Radon Transform

no code implementations16 Sep 2016 Hamid. R. Tizhoosh, Christopher Mitcheltree, Shujin Zhu, Shamak Dutta

Using images in a training dataset, we autoencode Radon projections to perform binarization on outputs of hidden layers.

Binarization Medical Image Retrieval +2

Automated Resolution Selection for Image Segmentation

no code implementations22 May 2016 Fares Al-Qunaieer, Hamid. R. Tizhoosh, Shahryar Rahnamayan

This paper introduces a framework for the automated selection of the best resolution for image segmentation.

Image Segmentation Segmentation +1

Gabor Barcodes for Medical Image Retrieval

no code implementations14 May 2016 Mina Nouredanesh, Hamid. R. Tizhoosh, Ershad Banijamali

This has significantly heightened the need for automated annotation of the images on one side, and fast and memory-efficient content-based image retrieval systems on the other side.

Content-Based Image Retrieval Medical Image Retrieval +1

Binary Codes for Tagging X-Ray Images via Deep De-Noising Autoencoders

no code implementations24 Apr 2016 Antonio Sze-To, Hamid. R. Tizhoosh, Andrew K. C. Wong

In this study, we explored using a deep de-noising autoencoder (DDA), with a new unsupervised training scheme using only backpropagation and dropout, to hash images into binary codes.

Content-Based Image Retrieval Retrieval

Generating Binary Tags for Fast Medical Image Retrieval Based on Convolutional Nets and Radon Transform

no code implementations16 Apr 2016 Xinran Liu, Hamid. R. Tizhoosh, Jonathan Kofman

The present work introduces a new image retrieval method for medical applications that employs a convolutional neural network (CNN) with recently introduced Radon barcodes.

Content-Based Image Retrieval General Classification +2

Evolutionary Projection Selection for Radon Barcodes

no code implementations16 Apr 2016 Hamid. R. Tizhoosh, Shahryar Rahnamayan

A small number of equidistant projections, e. g., 4 or 8, is generally used to generate short barcodes.

Anatomy-Aware Measurement of Segmentation Accuracy

no code implementations16 Apr 2016 Hamid. R. Tizhoosh, Ahmed A. Othman

Quantifying the accuracy of segmentation and manual delineation of organs, tissue types and tumors in medical images is a necessary measurement that suffers from multiple problems.

Anatomy Segmentation

Tumour ROI Estimation in Ultrasound Images via Radon Barcodes in Patients with Locally Advanced Breast Cancer

no code implementations8 Feb 2016 Hamid. R. Tizhoosh, Mehrdad J. Gangeh, Hadi Tadayyon, Gregory J. Czarnota

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.

Diversity Enhancement for Micro-Differential Evolution

no code implementations25 Dec 2015 Hojjat Salehinejad, Shahryar Rahnamayan, Hamid. R. Tizhoosh

Furthermore, comprehensive comparative simulations and analysis on performance of the MDE algorithms over various mutation schemes, population sizes, problem types (i. e. uni-modal, multi-modal, and composite), problem dimensionalities, and mutation factor ranges are conducted by considering population diversity analysis for stagnation and trapping in local optimum situations.

Barcode Annotations for Medical Image Retrieval: A Preliminary Investigation

1 code implementation19 May 2015 Hamid. R. Tizhoosh

This paper proposes to generate and to use barcodes to annotate medical images and/or their regions of interest such as organs, tumors and tissue types.

General Classification Medical Image Retrieval +1

Evolving Fuzzy Image Segmentation with Self-Configuration

no code implementations23 Apr 2015 Ahmed Othman, Hamid. R. Tizhoosh, Farzad Khalvati

However, EFIS suffers from a few limitations when used in practice mainly due to some fixed parameters.

feature selection Image Segmentation +2

Learning Opposites with Evolving Rules

no code implementations21 Apr 2015 Hamid. R. Tizhoosh, Shahryar Rahnamayan

This, of course, is a very naive estimate of the actual or true (non-linear) opposite $\breve{x}_{II}$, which has been called type-II opposite in literature.

Evolutionary Algorithms

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