activity
20182026
most citedSimultaneous optimization of isocenter locations and sector duration in radiosurgery

8 citations · 17 across the 9 of their papers we have counts for

collaborators

10 papers

math.OC2026

Dynamic Dispatching for Time-Sensitive Blood Sample Collection and Delivery

Arash Dehghan, Aliaa Alnaggar, Mucahit Cevik +1

Hospitals and diagnostic laboratories rely on couriers to collect blood samples from geographically dispersed collection centres and deliver them for analysis before their short vi…

cs.AI2025

Joint Matching and Pricing for Crowd-shipping with In-store Customers

Arash Dehghan, Mucahit Cevik, Merve Bodur +1

This paper examines the use of in-store customers as delivery couriers in a centralized crowd-shipping system, targeting the growing need for efficient last-mile delivery in urban…

math.OC2023★ 1 cited

Dynamic AGV Task Allocation in Intelligent Warehouses

Arash Dehghan, Mucahit Cevik, Merve Bodur

This paper explores the integration of Automated Guided Vehicles (AGVs) in warehouse order picking, a crucial and cost-intensive aspect of warehouse operations. The booming AGV ind…

math.OC2023★ 2 cited

Neural Approximate Dynamic Programming for the Ultra-fast Order Dispatching Problem

Arash Dehghan, Mucahit Cevik, Merve Bodur

Same-Day Delivery (SDD) services aim to maximize the fulfillment of online orders while minimizing delivery delays but are beset by operational uncertainties such as those in order…

math.OC2023

An Enhanced Approximate Dynamic Programming Approach to On-demand Ride Pooling

Arash Dehghan, Mucahit Cevik, Merve Bodur

Ride-pooling services have been growing in popularity, increasing the need for efficient and effective operations. The main goal of ride-pooling services is to maximize the number…

eess.IV2022

Improved -GAN architecture for generating 3D connected volumes with an application to radiosurgery treatment planning

Sanaz Mohammadjafari, Mucahit Cevik, Ayse Basar

Generative Adversarial Networks (GANs) have gained significant attention in several computer vision tasks for generating high-quality synthetic data. Various medical applications i…

cs.AI2022★ 4 cited

Linear programming-based solution methods for constrained partially observable Markov decision processes

Robert K. Helmeczi, Can Kavaklioglu, Mucahit Cevik

Constrained partially observable Markov decision processes (CPOMDPs) have been used to model various real-world phenomena. However, they are notoriously difficult to solve to optim…

cs.AI2022★ 2 cited

A multi-objective constrained POMDP model for breast cancer screening

Robert K. Helmeczi, Can Kavaklioglu, Mucahit Cevik +1

Breast cancer is a common and deadly disease, but it is often curable when diagnosed early. While most countries have large-scale screening programs, there is no consensus on a sin…

math.OC2021

A Multiobjective Approach for Sector Duration Optimization in Stereotactic Radiosurgery Treatment Planning

Oylum Şeker, Mucahit Cevik, Merve Bodur +2

Sector duration optimization (SDO) is a problem arising in treatment planning for stereotactic radiosurgery on Gamma Knife. Given a set of isocenter locations, SDO aims to select c…

physics.med-ph2018★ 8 cited

Simultaneous optimization of isocenter locations and sector duration in radiosurgery

Mucahit Cevik, Dionne Aleman, Young Lee +5

Stereotactic radiosurgery is an effective technique to treat brain tumors for which several inverse planning methods may be appropriate. We propose an integer programming model to…