Search Results for author: Vishwa S. Parekh

Found 21 papers, 6 papers with code

One Copy Is All You Need: Resource-Efficient Streaming of Medical Imaging Data at Scale

3 code implementations1 Jul 2023 Pranav Kulkarni, Adway Kanhere, Eliot Siegel, Paul H. Yi, Vishwa S. Parekh

We propose MIST, an open-source framework to operationalize progressive resolution for streaming medical images at multiple resolutions from a single high-resolution copy.

Text2Cohort: Facilitating Intuitive Access to Biomedical Data with Natural Language Cohort Discovery

1 code implementation12 May 2023 Pranav Kulkarni, Adway Kanhere, Paul H. Yi, Vishwa S. Parekh

We demonstrate that Text2Cohort can enable researchers to discover and curate cohorts on IDC with high levels of accuracy using natural language in a more intuitive and user-friendly way.

Language Modelling Large Language Model +1

Multitask radiological modality invariant landmark localization using deep reinforcement learning

2 code implementations MIDL 2019 Vishwa S. Parekh, Alex E. Bocchieri, Vladimir Braverman, Michael A. Jacobs

As a result, to develop a radiological decision support system, it would need to be equipped with potentially hundreds of deep learning models with each model trained for a specific task or organ.

reinforcement-learning Reinforcement Learning (RL)

Hidden in Plain Sight: Undetectable Adversarial Bias Attacks on Vulnerable Patient Populations

2 code implementations8 Feb 2024 Pranav Kulkarni, Andrew Chan, Nithya Navarathna, Skylar Chan, Paul H. Yi, Vishwa S. Parekh

The proliferation of artificial intelligence (AI) in radiology has shed light on the risk of deep learning (DL) models exacerbating clinical biases towards vulnerable patient populations.

Anytime, Anywhere, Anyone: Investigating the Feasibility of Segment Anything Model for Crowd-Sourcing Medical Image Annotations

1 code implementation22 Mar 2024 Pranav Kulkarni, Adway Kanhere, Dharmam Savani, Andrew Chan, Devina Chatterjee, Paul H. Yi, Vishwa S. Parekh

Curating annotations for medical image segmentation is a labor-intensive and time-consuming task that requires domain expertise, resulting in "narrowly" focused deep learning (DL) models with limited translational utility.

Image Segmentation Medical Image Segmentation +2

Unsupervised Non Linear Dimensionality Reduction Machine Learning methods applied to Multiparametric MRI in cerebral ischemia: Preliminary Results

no code implementations13 Jun 2016 Vishwa S. Parekh, Jeremy R. Jacobs, Michael A. Jacobs

On analyzing the performance of these methods, we observed that there was a high of similarity between multiparametric embedded images from NLDR methods and the ADC map and perfusion map.

Dimensionality Reduction

MPRAD: A Multiparametric Radiomics Framework

no code implementations25 Sep 2018 Vishwa S. Parekh, Michael A. Jacobs

The use of radiomics for quantitative extraction of textural features from radiological imaging is increasing moving towards clinical decision support.

Specificity

Radiomic Synthesis Using Deep Convolutional Neural Networks

no code implementations25 Oct 2018 Vishwa S. Parekh, Michael A. Jacobs

Radiomics is a rapidly growing field that deals with modeling the textural information present in the different tissues of interest for clinical decision support.

Multiparametric Deep Learning Tissue Signatures for a Radiological Biomarker of Breast Cancer: Preliminary Results

no code implementations10 Feb 2018 Vishwa S. Parekh, Katarzyna J. Macura, Susan Harvey, Ihab Kamel, Riham EI-Khouli, David A. Bluemke, Michael A. Jacobs

For example, using a deep learning network, we developed and tested a multiparametric deep learning (MPDL) network for segmentation and classification using multiparametric magnetic resonance imaging (mpMRI) radiological images.

Specificity

Multiparametric Deep Learning Tissue Signatures for Muscular Dystrophy: Preliminary Results

no code implementations1 Aug 2019 Alex E. Bocchieri, Vishwa S. Parekh, Kathryn R. Wagner. Shivani Ahlawat, Vladimir Braverman, Doris G. Leung, Michael A. Jacobs

A current clinical challenge is identifying limb girdle muscular dystrophy 2I(LGMD2I)tissue changes in the thighs, in particular, separating fat, fat-infiltrated muscle, and muscle tissue.

From Competition to Collaboration: Making Toy Datasets on Kaggle Clinically Useful for Chest X-Ray Diagnosis Using Federated Learning

no code implementations11 Nov 2022 Pranav Kulkarni, Adway Kanhere, Paul H. Yi, Vishwa S. Parekh

Chest X-ray (CXR) datasets hosted on Kaggle, though useful from a data science competition standpoint, have limited utility in clinical use because of their narrow focus on diagnosing one specific disease.

Federated Learning Pneumonia Detection +1

Surgical Aggregation: Federated Class-Heterogeneous Learning

1 code implementation17 Jan 2023 Pranav Kulkarni, Adway Kanhere, Paul H. Yi, Vishwa S. Parekh

The release of numerous chest x-ray datasets has spearheaded the development of deep learning models with expert-level performance.

Federated Learning

Asynchronous Decentralized Federated Lifelong Learning for Landmark Localization in Medical Imaging

no code implementations12 Mar 2023 Guangyao Zheng, Michael A. Jacobs, Vladimir Braverman, Vishwa S. Parekh

Federated learning is a recent development in the machine learning area that allows a system of devices to train on one or more tasks without sharing their data to a single location or device.

Brain Tumor Segmentation Federated Learning +1

ISLE: An Intelligent Streaming Framework for High-Throughput AI Inference in Medical Imaging

no code implementations24 May 2023 Pranav Kulkarni, Sean Garin, Adway Kanhere, Eliot Siegel, Paul H. Yi, Vishwa S. Parekh

As the adoption of Artificial Intelligence (AI) systems within the clinical environment grows, limitations in bandwidth and compute can create communication bottlenecks when streaming imaging data, leading to delays in patient care and increased cost.

Decision Making Image Classification +1

Improving Multi-Center Generalizability of GAN-Based Fat Suppression using Federated Learning

no code implementations10 Apr 2024 Pranav Kulkarni, Adway Kanhere, Harshita Kukreja, Vivian Zhang, Paul H. Yi, Vishwa S. Parekh

Generative Adversarial Network (GAN)-based synthesis of fat suppressed (FS) MRIs from non-FS proton density sequences has the potential to accelerate acquisition of knee MRIs.

Federated Learning Generative Adversarial Network +1

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