Ahmed Afifi

According to our database, Ahmed Afifi authored at least 16 papers between 2010 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Wearable sensors based on artificial intelligence models for human activity recognition.

Mohammed Alarfaj, Azzam Al Madini, Ahmed Alsafran, Mohammed Farag, Slim Chtourou, Ahmed Afifi, Ayaz Ahmad, Osama Al Rubayyi, Ali Al Harbi, Mustafa Al Thunaian

Frontiers Artif. Intell., 2024

2022

IRDNU-Net: Inception residual dense nested u-net for brain tumor segmentation.

Nagwa M. Aboelenein, Songhao Piao, Ahmed Afifi

Multim. Tools Appl., 2022

2021

An Ensemble of Global and Local-Attention Based Convolutional Neural Networks for COVID-19 Diagnosis on Chest X-ray Images.

Ahmed Afifi, Noor E. Hafsa, Mona A. S. Ali, Abdulaziz Alhumam, Safa Alsalman

Symmetry, 2021

Real-Time Expanded Field-of-View for Minimally Invasive Surgery Using Multi-Camera Visual Simultaneous Localization and Mapping.

Ahmed Afifi, Chisato Takada, Yuichiro Yoshimura, Toshiya Nakaguchi

Sensors, 2021

2020

HTTU-Net: Hybrid Two Track U-Net for Automatic Brain Tumor Segmentation.

Nagwa M. Aboelenein, Songhao Piao, Anis Koubaa, Alam Noor, Ahmed Afifi

IEEE Access, 2020

Automated Brain Tumor Segmentation in MRI using Superpixel Over-segmentation and Classification.

Aya Mourad, Ahmed Afifi, Arabi E. Keshk

Proceedings of the 21st International Arab Conference on Information Technology, 2020

2017

An enhanced hybrid tracking-mosaicking approach for surgical view expansion.

Chisato Takada, Ahmed Afifi, Toshiyuki Suzuki, Toshiya Nakaguchi

Proceedings of the 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2017

2016

Hybrid Tracking and Matching Algorithm for Mosaicking Multiple Surgical Views.

Chisato Takada, Toshiyuki Suzuki, Ahmed Afifi, Toshiya Nakaguchi

Proceedings of the Computer-Assisted and Robotic Endoscopy - Third International Workshop, 2016

2015

Unsupervised detection of liver lesions in CT images.

Ahmed Afifi, Toshiya Nakaguchi

Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2015

An Enhanced Technique for Offline Arabic Handwritten Words Segmentation.

Roqyiah M. Abdeen, Ahmed Afifi, Ashraf B. Elsisi

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2015

Improved Arabic handwriting word segmentation approach using Random Forests.

Roqyiah M. Abdeen, Ahmed Afifi, Ashraf B. Elsisi

Proceedings of the 12th IEEE/ACS International Conference of Computer Systems and Applications, 2015

2012

Liver Segmentation Approach Using Graph Cuts and Iteratively Estimated Shape and Intensity Constrains.

Ahmed Afifi, Toshiya Nakaguchi

Proceedings of the Medical Image Computing and Computer-Assisted Intervention - MICCAI 2012, 2012

2011

A liver segmentation approach in contrast-enhanced CT images with patient-specific knowledge.

Ahmed Afifi, Toshiya Nakaguchi, Norimichi Tsumura

Proceedings of the Medical Imaging 2011: Image Processing, 2011

2010

A Model Optimization Approach to the Automatic Segmentation of Medical Images.

Ahmed Afifi, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake

IEICE Trans. Inf. Syst., 2010

Segmentation of deformable organs from medical images using particle swarm optimization and nonlinear shape priors.

Ahmed Afifi, Toshiya Nakaguchi, Norimichi Tsumura

Proceedings of the Medical Imaging 2010: Image Processing, 2010

Shape Prior Segmentation of Medical Images using Particle Swarm Optimization.

Ahmed Afifi, Toshiya Nakaguchi, Norimichi Tsumura

Proceedings of the ICAART 2010 - Proceedings of the International Conference on Agents and Artificial Intelligence, Volume 1, 2010