Search Results for author: Rafi Ibn Sultan

Found 4 papers, 2 papers with code

FedDRO: Federated Compositional Optimization for Distributionally Robust Learning

no code implementations21 Nov 2023 Prashant Khanduri, Chengyin Li, Rafi Ibn Sultan, Yao Qiang, Joerg Kliewer, Dongxiao Zhu

A key novelty of our work is to develop solution accuracy-independent algorithms that do not require large batch gradients (and function evaluations) for solving federated CO problems.

Federated Learning

Auto-Prompting SAM for Mobile Friendly 3D Medical Image Segmentation

no code implementations28 Aug 2023 Chengyin Li, Prashant Khanduri, Yao Qiang, Rafi Ibn Sultan, Indrin Chetty, Dongxiao Zhu

In addition to the domain gaps between natural and medical images, disparities in the spatial arrangement between 2D and 3D images, the substantial computational burden imposed by powerful GPU servers, and the time-consuming manual prompt generation impede the extension of SAM to a broader spectrum of medical image segmentation applications.

Image Segmentation Medical Image Segmentation +3

FocalUNETR: A Focal Transformer for Boundary-aware Segmentation of CT Images

1 code implementation6 Oct 2022 Chengyin Li, Yao Qiang, Rafi Ibn Sultan, Hassan Bagher-Ebadian, Prashant Khanduri, Indrin J. Chetty, Dongxiao Zhu

Computed Tomography (CT) based precise prostate segmentation for treatment planning is challenging due to (1) the unclear boundary of the prostate derived from CT's poor soft tissue contrast and (2) the limitation of convolutional neural network-based models in capturing long-range global context.

Computed Tomography (CT) Image Segmentation +2

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