Search Results for author: Sobhan Hemati

Found 11 papers, 2 papers with code

DFML: Decentralized Federated Mutual Learning

no code implementations2 Feb 2024 Yasser H. Khalil, Amir H. Estiri, Mahdi Beitollahi, Nader Asadi, Sobhan Hemati, Xu Li, Guojun Zhang, Xi Chen

In the realm of real-world devices, centralized servers in Federated Learning (FL) present challenges including communication bottlenecks and susceptibility to a single point of failure.

Federated Learning

Parametric Feature Transfer: One-shot Federated Learning with Foundation Models

no code implementations2 Feb 2024 Mahdi Beitollahi, Alex Bie, Sobhan Hemati, Leo Maxime Brunswic, Xu Li, Xi Chen, Guojun Zhang

This paper introduces FedPFT (Federated Learning with Parametric Feature Transfer), a methodology that harnesses the transferability of foundation models to enhance both accuracy and communication efficiency in one-shot FL.

Federated Learning

Analysis and Validation of Image Search Engines in Histopathology

no code implementations6 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.

Image Retrieval whole slide images

Cross Domain Generative Augmentation: Domain Generalization with Latent Diffusion Models

no code implementations8 Dec 2023 Sobhan Hemati, Mahdi Beitollahi, Amir Hossein Estiri, Bassel Al Omari, Xi Chen, Guojun Zhang

The VRM reduces the estimation error in ERM by replacing the point-wise kernel estimates with a more precise estimation of true data distribution that reduces the gap between data points \textbf{within each domain}.

Adversarial Robustness Data Augmentation +1

When is a Foundation Model a Foundation Model

no code implementations14 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.

Retrieval

Understanding Hessian Alignment for Domain Generalization

1 code implementation ICCV 2023 Sobhan Hemati, Guojun Zhang, Amir Estiri, Xi Chen

We validate the OOD generalization ability of proposed methods in different scenarios, including transferability, severe correlation shift, label shift and diversity shift.

Autonomous Vehicles Domain Generalization +1

Mathematical Challenges in Deep Learning

no code implementations24 Mar 2023 Vahid Partovi Nia, Guojun Zhang, Ivan Kobyzev, Michael R. Metel, Xinlin Li, Ke Sun, Sobhan Hemati, Masoud Asgharian, Linglong Kong, Wulong Liu, Boxing Chen

Deep models are dominating the artificial intelligence (AI) industry since the ImageNet challenge in 2012.

Beyond Neighbourhood-Preserving Transformations for Quantization-Based Unsupervised Hashing

no code implementations1 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.

Quantization

A non-alternating graph hashing algorithm for large scale image search

1 code implementation24 Dec 2020 Sobhan Hemati, Mohammad Hadi Mehdizavareh, Shojaeddin Chenouri, Hamid R Tizhoosh

The problem with all existing relaxation methods is resorting to one or more additional auxiliary variables to attain high quality binary codes while relaxing the problem.

Computational Efficiency Image Retrieval +1

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