no code implementations • 13 Mar 2024 • H. R. Tizhoosh
The paper reviews the state-of-the-art of foundation models, LLMs, generative AI, information retrieval and CBIR in digital pathology
no code implementations • 20 Feb 2024 • Ehsan Rokhsatyazdi, Shahryar Rahnamayan, Sevil Zanjani Miyandoab, Azam Asilian Bidgoli, H. R. Tizhoosh
Finding the optimal values for weights of ANNs is a large-scale optimization problem.
no code implementations • 14 Jan 2024 • H. R. Tizhoosh, Liron Pantanowitz
Pathology images of histopathology can be acquired from camera-mounted microscopes or whole slide scanners.
no code implementations • 6 Jan 2024 • Isaiah Lahr, Saghir Alfasly, Peyman Nejat, Jibran Khan, Luke Kottom, Vaishnavi Kumbhar, Areej Alsaafin, Abubakr Shafique, Sobhan Hemati, Ghazal Alabtah, Nneka Comfere, Dennis Murphee, Aaron Mangold, Saba Yasir, Chady Meroueh, Lisa Boardman, Vijay H. Shah, Joaquin J. Garcia, H. R. Tizhoosh
Searching for similar images in archives of histology and histopathology images is a crucial task that may aid in patient matching for various purposes, ranging from triaging and diagnosis to prognosis and prediction.
no code implementations • 16 Nov 2023 • Abubakr Shafique, Saghir Alfasly, Areej Alsaafin, Peyman Nejat, Jibran A. Khan, H. R. Tizhoosh
We assess the representativeness of the SDM montage across various public and private histopathology datasets.
no code implementations • 14 Nov 2023 • Saghir Alfasly, Abubakr Shafique, Peyman Nejat, Jibran Khan, Areej Alsaafin, Ghazal Alabtah, H. R. Tizhoosh
This paper addresses complex challenges in histopathological image analysis through three key contributions.
Breast Cancer Histology Image Classification Medical Image Retrieval +2
no code implementations • 4 Oct 2023 • Peyman Nejat, Areej Alsaafin, Ghazal Alabtah, Nneka Comfere, Aaron Mangold, Dennis Murphree, Patricija Zot, Saba Yasir, Joaquin J. Garcia, H. R. Tizhoosh
While most of the computational pathology tasks are designed to classify or detect the presence of pathological lesions in each WSI, the confounding role and redundant nature of normal histology in tissue samples are generally overlooked in WSI representations.
no code implementations • 14 Sep 2023 • Saghir Alfasly, Peyman Nejat, Sobhan Hemati, Jibran Khan, Isaiah Lahr, Areej Alsaafin, Abubakr Shafique, Nneka Comfere, Dennis Murphree, Chady Meroueh, Saba Yasir, Aaron Mangold, Lisa Boardman, Vijay Shah, Joaquin J. Garcia, H. R. Tizhoosh
Recently, several studies have reported on the fine-tuning of foundation models for image-text modeling in the field of medicine, utilizing images from online data sources such as Twitter and PubMed.
no code implementations • 7 Aug 2023 • Milad Sikaroudi, Maryam Hosseini, Shahryar Rahnamayan, H. R. Tizhoosh
This enables us to derive invariant features from training images without relying on training labels, thereby covering different abstraction levels.
1 code implementation • 25 Jul 2023 • Kimia Hemmatirad, Morteza Babaie, Jeffrey Hodgin, Liron Pantanowitz, H. R. Tizhoosh
Conclusions: Automated glomeruli detection in human kidney images is possible using modern AI models.
no code implementations • 24 Apr 2023 • Abubakr Shafique, Morteza Babaie, Ricardo Gonzalez, H. R. Tizhoosh
In this work, we are proposing a targeted image search approach, inspired by the pathologists workflow, which may use information from multiple IHC biomarker images when available.
no code implementations • 24 Apr 2023 • Abubakr Shafique, Morteza Babaie, Ricardo Gonzalez, Adrian Batten, Soma Sikdar, H. R. Tizhoosh
In the first step, IHC biomarker images are aligned with the H&E images using one coordinate system and orientation.
no code implementations • 15 Apr 2023 • Pooria Mazaheri, Azam Asilian Bidgoli, Shahryar Rahnamayan, H. R. Tizhoosh
By forcing the model to learn the ranking of matched outputs, the representation learning is customized toward image search instead of learning a class label.
no code implementations • 7 Apr 2023 • Milad Sikaroudi, Mehdi Afshari, Abubakr Shafique, Shivam Kalra, H. R. Tizhoosh
Chen et al. [Chen2022] recently published the article 'Fast and scalable search of whole-slide images via self-supervised deep learning' in Nature Biomedical Engineering.
no code implementations • 2 Mar 2023 • Azam Asilian Bidgoli, Shahryar Rahnamayan, Taher Dehkharghanian, Abtin Riasatian, H. R. Tizhoosh
Coarse multi-objective feature selection uses the reduced search space strategy guided by the classification accuracy and the number of features.
no code implementations • 29 Aug 2022 • Sobhan Hemati, Shivam Kalra, Morteza Babaie, H. R. Tizhoosh
Learning suitable Whole slide images (WSIs) representations for efficient retrieval systems is a non-trivial task.
no code implementations • 21 Aug 2022 • S. Maryam Hosseini, Milad Sikaroudi, Morteza Babaei, H. R. Tizhoosh
Finally, the central server aggregates the results, retrieving the average of models' weights and updating the model without having access to individual hospitals' weights.
no code implementations • 27 Jun 2022 • Mohammed Adnan, Yani Ioannou, Chuan-Yung Tsai, Angus Galloway, H. R. Tizhoosh, Graham W. Taylor
The failure of deep neural networks to generalize to out-of-distribution data is a well-known problem and raises concerns about the deployment of trained networks in safety-critical domains such as healthcare, finance and autonomous vehicles.
no code implementations • 5 Apr 2022 • Milad Sikaroudi, Shahryar Rahnamayan, H. R. Tizhoosh
These variabilities are assumed to cause a domain shift in the images of different hospitals.
no code implementations • 26 Mar 2022 • Amir Safarpoor, Jason D. Hipp, H. R. Tizhoosh
In this paper, we propose tRNAsfomer, an attention-based topology that can learn both to predict the bulk RNA-seq from an image and represent the whole slide image of a glass slide simultaneously.
1 code implementation • 28 Nov 2021 • Shalev Lifshitz, Abtin Riasatian, H. R. Tizhoosh
Recent advances in digital pathology have led to the need for Histopathology Image Retrieval (HIR) systems that search through databases of biopsy images to find similar cases to a given query image.
no code implementations • 1 Oct 2021 • Sobhan Hemati, H. R. Tizhoosh
We relax the orthogonality constraint on the projection in a PCA-formulation and regularize this by a quantization term.
no code implementations • 4 Aug 2021 • Nitish Bhatt, David Ramon Prados, Nedim Hodzic, Christos Karanassios, H. R. Tizhoosh
External validation and testing are performed using healthy and unhealthy patches extracted from the ChestX-ray14 and Japanese Society for Radiological Technology datasets, respectively.
no code implementations • 29 Jul 2021 • Abubakr Shafique, Morteza Babaie, Mahjabin Sajadi, Adrian Batten, Soma Skdar, H. R. Tizhoosh
The registration was performed automatically by first detecting landmarks in both images, using the scale-invariant image transform (SIFT), followed by the fast sample consensus (FSC) protocol for finding point correspondences and finally aligned the images.
no code implementations • 29 Jul 2021 • Mehdi Afshari, H. R. Tizhoosh
The proposed similarity measure is an expansion of cosine vector similarity to a matrix.
no code implementations • 15 Feb 2021 • Sobhan Shafiei, Morteza Babaie, Shivam Kalra, H. R. Tizhoosh
The Kimia Path24 dataset has been introduced as a classification and retrieval dataset for digital pathology.
1 code implementation • 18 Jan 2021 • Milad Sikaroudi, Benyamin Ghojogh, Fakhri Karray, Mark Crowley, H. R. Tizhoosh
However, a useful task in histopathology embedding is to train an embedding space regardless of the magnification level.
Breast Cancer Histology Image Classification Classification Of Breast Cancer Histology Images +3
no code implementations • 29 Oct 2020 • Danial Maleki, Mehdi Afshari, Morteza Babaie, H. R. Tizhoosh
The quality of the images can be negatively affected when the glass slides are ink-marked by pathologists to delineate regions of interest.
1 code implementation • 10 Jul 2020 • Milad Sikaroudi, Benyamin Ghojogh, Fakhri Karray, Mark Crowley, H. R. Tizhoosh
However, sampling from stochastic distributions of data rather than sampling merely from the existing embedding instances can provide more discriminative information.
Dimensionality Reduction Histopathological Image Classification +1
1 code implementation • 4 Jul 2020 • Milad Sikaroudi, Benyamin Ghojogh, Amir Safarpoor, Fakhri Karray, Mark Crowley, H. R. Tizhoosh
We analyze the effect of offline and online triplet mining for colorectal cancer (CRC) histopathology dataset containing 100, 000 patches.
Dimensionality Reduction Histopathological Image Classification +1
no code implementations • 8 Jun 2020 • Abtin Riasatian, Maral Rasoolijaberi, Morteza Babaei, H. R. Tizhoosh
During the last decade, the digitization of pathology has gained considerable momentum.
1 code implementation • 10 May 2020 • Milad Sikaroudi, Amir Safarpoor, Benyamin Ghojogh, Sobhan Shafiei, Mark Crowley, H. R. Tizhoosh
In this work, we explored the performance of a deep neural network and triplet loss in the area of representation learning.
no code implementations • 7 May 2020 • Manit Zaveri, Shivam Kalra, Morteza Babaie, Sultaan Shah, Savvas Damskinos, Hany Kashani, H. R. Tizhoosh
In this paper, we extract deep features of the images available on TCGA dataset with known magnification to train a classifier for magnification recognition.
1 code implementation • 5 Apr 2020 • Benyamin Ghojogh, Milad Sikaroudi, Sobhan Shafiei, H. R. Tizhoosh, Fakhri Karray, Mark Crowley
The FDT and FDC loss functions are designed based on the statistical formulation of the Fisher Discriminant Analysis (FDA), which is a linear subspace learning method.
Classification Of Breast Cancer Histology Images Dimensionality Reduction +3
1 code implementation • 4 Apr 2020 • Benyamin Ghojogh, Milad Sikaroudi, H. R. Tizhoosh, Fakhri Karray, Mark Crowley
We also propose a weighted FDA in the feature space to establish a weighted kernel FDA for both existing and newly proposed weights.
no code implementations • 20 Nov 2019 • Shivam Kalra, H. R. Tizhoosh, Sultaan Shah, Charles Choi, Savvas Damaskinos, Amir Safarpoor, Sobhan Shafiei, Morteza Babaie, Phedias Diamandis, Clinton JV Campbell, Liron Pantanowitz
The emergence of digital pathology has opened new horizons for histopathology and cytology.
no code implementations • 20 Nov 2019 • S. Kalra, C. Choi, S. Shah, L. Pantanowitz, H. R. Tizhoosh
With the emergence of digital pathology, searching for similar images in large archives has gained considerable attention.
no code implementations • 15 Sep 2019 • H. R. Tizhoosh, Shivam Kalra, Shalev Lifshitz, Morteza Babaie
In recent years, artificial neural networks have achieved tremendous success for many vision-based tasks.
no code implementations • 28 Mar 2019 • Sara Ross-Howe, H. R. Tizhoosh
The first approach used a pretrained DenseNet model to extract features that were then classified using Support Vector Machines, and the second approach used the spectrograms as direct input into a convolutional network.
Ranked #6 on Atrial Fibrillation Detection on MIT-BIH AF
no code implementations • 17 Mar 2019 • Morteza Babaie, H. R. Tizhoosh
Whole slide imaging (WSI) refers to the digitization of a tissue specimen which enables pathologists to explore high-resolution images on a monitor rather than through a microscope.
no code implementations • 17 Mar 2019 • Wafa Chenni, Habib Herbi, Morteza Babaie, H. R. Tizhoosh
The main contribution of this work is representing a WSI by selecting a small number of patches for algorithmic processing (e. g., indexing and search).
no code implementations • 15 Mar 2019 • Aditya Sriram, Shivam Kalra, H. R. Tizhoosh
This paper introduces the `Projectron' as a new neural network architecture that uses Radon projections to both classify and represent medical images.
no code implementations • 30 Apr 2018 • Sara Ross-Howe, H. R. Tizhoosh
Skin cancer is a widespread, global, and potentially deadly disease, which over the last three decades has afflicted more lives in the USA than all other forms of cancer combined.
no code implementations • 27 Apr 2018 • Graham Bleaney, Matthew Kuzyk, Julian Man, Hossein Mayanloo, H. R. Tizhoosh
Every year, thousands of people receive consumer product related injuries.
no code implementations • 11 Oct 2017 • Brady Kieffer, Morteza Babaie, Shivam Kalra, H. R. Tizhoosh
We explore the problem of classification within a medical image data-set based on a feature vector extracted from the deepest layer of pre-trained Convolution Neural Networks.
no code implementations • 11 Oct 2017 • Morteza Babaie, H. R. Tizhoosh, Amin Khatami, M. E. Shiri
This paper attempts to show that the dense sampling to generate the histogram of local Radon projections has a much higher discrimination capability than the global one.
no code implementations • 28 Sep 2017 • H. R. Tizhoosh, G. J. Czarnota
Because the accuracy of experts' contours must be measured, we first used 500 synthetic prostate images with their gold markers and delineations by 20 simulated users.
no code implementations • 27 Sep 2017 • Meghana Dinesh Kumar, Morteza Babaie, Shujin Zhu, Shivam Kalra, H. R. Tizhoosh
This paper is a comparative study describing the potential of using local binary patterns (LBP), deep features and the bag-of-visual words (BoVW) scheme for the classification of histopathological images.
no code implementations • 27 Sep 2017 • Aditya Sriram, Shivam Kalra, H. R. Tizhoosh, Shahryar Rahnamayan
Autoencoders have been recently used for encoding medical images.
no code implementations • 27 Sep 2017 • Bill S. Lin, Kevin Michael, Shivam Kalra, H. R. Tizhoosh
The first approach uses U-Nets and introduces a histogram equalization based preprocessing step.
no code implementations • 27 Sep 2017 • Hamed Erfankhah, Mehran Yazdi, H. R. Tizhoosh
Content-based image retrieval (CBIR) of medical images in large datasets to identify similar images when a query image is given can be very useful in improving the diagnostic decision of the clinical experts and as well in educational scenarios.
no code implementations • 22 May 2017 • Morteza Babaie, Shivam Kalra, Aditya Sriram, Christopher Mitcheltree, Shujin Zhu, Amin Khatami, Shahryar Rahnamayan, H. R. Tizhoosh
In this paper, we introduce a new dataset, \textbf{Kimia Path24}, for image classification and retrieval in digital pathology.
no code implementations • 2 Jan 2017 • Morteza Babaie, H. R. Tizhoosh, Shujin Zhu, M. E. Shiri
Our method (Single Projection Radon Barcode, or SP-RBC) uses only a few Radon single projections for each image as global features that can serve as a basis for weak learners.
no code implementations • 2 Oct 2016 • S. Sharma, I. Umar, L. Ospina, D. Wong, H. R. Tizhoosh
The technique is applied to the IRMA dataset, a collection of 14, 410 x-ray images in order to demonstrate the ability of autoencoders to retrieve similar x-rays given test queries.
no code implementations • 2 Oct 2016 • H. R. Tizhoosh, Shujin Zhu, Hanson Lo, Varun Chaudhari, Tahmid Mehdi
As well, SURF, as a well-established non-binary approach, and BRISK, as a recent binary method are examined to compare their results with MinMax Radon barcodes when retrieving images from IRMA dataset.
no code implementations • 16 Sep 2016 • Mina Nouredanesh, H. R. Tizhoosh, Ershad Banijamali, James Tung
The objective of this paper is to harness the potentials of both Gabor and Radon transforms in order to introduce expressive binary features, called barcodes, for image annotation/tagging tasks.
no code implementations • 16 Sep 2016 • Shivam Kalra, Aditya Sriram, Shahryar Rahnamayan, H. R. Tizhoosh
In this paper, we introduce an approach to learn type-II opposites from the given inputs and their outputs using the artificial neural networks (ANNs).
no code implementations • 16 Apr 2016 • Shujin Zhu, H. R. Tizhoosh
To retrieve similar images when a query image is given, Radon projections and the barcode of the query image are generated.
no code implementations • 15 Sep 2015 • A. Othman, H. R. Tizhoosh, F. Khalvati
Every segmentation algorithm has parameters that need to be adjusted in order to achieve good results.
no code implementations • 15 Sep 2015 • Zehra Camlica, H. R. Tizhoosh, Farzad Khalvati
Good results on image classification and retrieval using support vector machines (SVM) with local binary patterns (LBPs) as features have been extensively reported in the literature where an entire image is retrieved or classified.
no code implementations • 5 Jul 2015 • Zehra Camlica, H. R. Tizhoosh, Farzad Khalvati
Content-based image retrieval (CBIR) of medical images is a crucial task that can contribute to a more reliable diagnosis if applied to big data.