Ahmad Keshavarz

According to our database, Ahmad Keshavarz authored at least 39 papers between 2005 and 2024.

Collaborative distances:

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

2024

Automatic extraction of lightweight and efficient neural network architecture of heavy convolutional architectures to predict microsatellite instability from hematoxylin and eosin histology in gastric cancer.

Habib Rostami, Maryam Ashkpour, Hamed Behzadi-Khormouji, Maral Mokhtari, Armin Khayati, Ahmad Keshavarz, Saeed Talatian Azad, Yahya Tabesh

Neural Comput. Appl., September, 2024

A hybrid semantic recommender system based on an improved clustering.

Payam Bahrani, Behrouz Minaei-Bidgoli, Hamid Parvin, Mitra Mirzarezaee, Ahmad Keshavarz

J. Supercomput., June, 2024

A hybrid semantic recommender system enriched with an imputation method.

Payam Bahrani, Behrouz Minaei-Bidgoli, Hamid Parvin, Mitra Mirzarezaee, Ahmad Keshavarz

Multim. Tools Appl., February, 2024

A new improved KNN-based recommender system.

Payam Bahrani, Behrouz Minaei-Bidgoli, Hamid Parvin, Mitra Mirzarezaee, Ahmad Keshavarz

J. Supercomput., January, 2024

Multi-modal classification of breast cancer lesions in Digital Mammography and contrast enhanced spectral mammography images.

Narjes Bouzarjomehri, Mohammad Barzegar, Habib Rostami, Ahmad Keshavarz, Ahmad Navid Asghari, Saeed Talatian Azad

Comput. Biol. Medicine, 2024

2023

A cost-effective LoRaWAN-based IoT localization method using fixed reference nodes and dual-slope path-loss modeling.

Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes

Internet Things, December, 2023

The effectiveness of deep learning vs. traditional methods for lung disease diagnosis using chest X-ray images: A systematic review.

Samira Sajed, Amir Sanati, Jorge Esparteiro Garcia, Habib Rostami, Ahmad Keshavarz, Andreia Teixeira

Appl. Soft Comput., November, 2023

Image steganalysis using modified graph clustering based ant colony optimization and Random Forest.

Abouzar Dehdar, Ahmad Keshavarz, Naser Parhizgar

Multim. Tools Appl., February, 2023

Improving LoRaWAN Fingerprint-Based Localization by Detecting and Eliminating Noisy RSSI Measurements.

Asma Haghighat, Zahra Sirous, Azin Moradbeikie, Ahmad Keshavarz, Sérgio Ivan Lopes

Proceedings of the 9th IEEE World Forum on Internet of Things, 2023

RELIANCE: A Reliable and Power Efficient LoRaWAN Optimization Approach for IoT Systems.

Ebrahim Darabi, Azin Moradbeikie, Ahmad Keshavarz, Sérgio Ivan Lopes

Proceedings of the 9th IEEE World Forum on Internet of Things, 2023

2022

Machine Learning-Based Fault Location for Smart Distribution Networks Equipped with Micro-PMU.

Hamid Mirshekali, Rahman Dashti, Ahmad Keshavarz, Hamid Reza Shaker

Sensors, 2022

Fault location in distribution networks based on SVM and impedance-based method using online databank generation.

Ahmad Keshavarz, Rahman Dashti, Maryam Deljoo, Hamid Reza Shaker

Neural Comput. Appl., 2022

A Hybrid Framework for Visual Positioning: Combining Convolutional Neural Networks with Ontologies.

Abdolreza Mosaddegh, Sérgio Ivan Lopes, Habib Rostami, Ahmad Keshavarz, Sara Paiva

EAI Endorsed Trans. Energy Web, 2022

Low-Cost Traffic Sensing System Based on LoRaWAN for Urban Areas.

Hannaneh Barahouei Pasandi, Asma Haghighat, Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes

CoRR, 2022

Low-cost traffic sensing system based on LoRaWAN for urban areas.

Hannaneh Barahouei Pasandi, Asma Haqiqat, Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes

Proceedings of the 1st International Workshop on Emerging Topics in Wireless, 2022

2021

A Novel Fault Location Methodology for Smart Distribution Networks.

Hamid Mirshekali, Rahman Dashti, Ahmad Keshavarz, Amin Jahromi Torabi, Hamid Reza Shaker

IEEE Trans. Smart Grid, 2021

File fragment recognition based on content and statistical features.

Marzieh Masoumi, Ahmad Keshavarz, Reza Fotohi

Multim. Tools Appl., 2021

Hyperspectral image classification using cluster based graph regularized low rank representation and dictionary learning.

Fatemeh Hajiani, Naser Parhizgar, Ahmad Keshavarz

Neurocomputing, 2021

Improvement of RSSI-Based LoRaWAN Localization Using Edge-AI.

Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes

Proceedings of the Science and Technologies for Smart Cities, 2021

2020

A Shift-Dependent Measure of Extended Cumulative Entropy and Its Applications in Blind Image Quality Assessment.

Saeid Tahmasebi, Ahmad Keshavarz, Maria Longobardi, Reza Mohammadi

Symmetry, 2020

On Secure Mixed RF-FSO Decode-and-Forward Relaying Systems With Energy Harvesting.

Mohammad Javad Saber, Jalil Mazloum, Amir Mehdi Sazdar, Ahmad Keshavarz, Md. Jalil Piran

IEEE Syst. J., 2020

User and item profile expansion for dealing with cold start problem.

Payam Bahrani, Behrouz Minaei-Bidgoli, Hamid Parvin, Mitra Mirzarezaee, Ahmad Keshavarz, Hamid Alinejad-Rokny

J. Intell. Fuzzy Syst., 2020

Deep learning, reusable and problem-based architectures for detection of consolidation on chest X-ray images.

Hamed Behzadi Khormuji, Habib Rostami, Sana Salehi, Touba Derakhshande-Rishehri, Marzieh Masoumi, Siavash Salemi, Ahmad Keshavarz, Ali Gholamrezanezhad, Majid Assadi, Ali Batouli

Comput. Methods Programs Biomed., 2020

2019

Feature Extraction in Fractional Fourier Domain for Classification of Passive Sonar Signals.

Mehdi Shadlou Jahromi, Vahid Bagheri, Habib Rostami, Ahmad Keshavarz

J. Signal Process. Syst., 2019

Physical-Layer Security Analysis of Mixed SIMO SWIPT RF and FSO Fixed-Gain Relaying Systems.

Mohammad Javad Saber, Ahmad Keshavarz, Jalil Mazloum, Amir Mehdi Sazdar, Md. Jalil Piran

IEEE Syst. J., 2019

2018

Secrecy Outage Probability Analysis of Dual-Hop RF-FSO Fixed-Gain Relaying System.

Mohammad Javad Saber, Ahmad Keshavarz

Proceedings of the 9th International Symposium on Telecommunications, 2018

Hyperspectral Endmember Extraction Preprocessing Using Combination of Euclidean and Geodesic Distances.

Fatemeh Kowkabi, Ahmad Keshavarz

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

Wind Direction Extraction from Sar Images Using Nsct Transform.

Fatemeh Tabarteh Farahani, Ahmad Keshavarz, Stefano Zecchetto

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

2017

Hybrid Preprocessing Algorithm for Endmember Extraction Using Clustering, Over-Segmentation, and Local Entropy Criterion.

Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2017

A New Pseudo-color Technique Based on Intensity Information Protection for Passive Sensor Imagery.

Mohammad Reza Khosravi, Habib Rostami, Gholam Reza Ahmadi, Suleiman Mansouri, Ahmad Keshavarz

CoRR, 2017

2016

Enhancing Hyperspectral Endmember Extraction Using Clustering and Oversegmentation-Based Preprocessing.

Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016

A Fast Spatial-Spectral Preprocessing Module for Hyperspectral Endmember Extraction.

Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz

IEEE Geosci. Remote. Sens. Lett., 2016

Hyperspectral endmember extraction and unmixing by a novel spatial-spectral preprocessing module.

Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

2015

MRF-based multispectral image fusion using an adaptive approach based on edge-guided interpolation.

Mohammad Reza Khosravi, Suleiman Mansouri, Ahmad Keshavarz, Habib Rostami

CoRR, 2015

Endmember extraction using a novel Cluster-based Spatial Border Removal Preprocessor.

Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz

Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

2013

Ocean wind direction estimation from SAR images using morphological-numerical analysis.

Alireza Shamshiri, Ahmad Keshavarz, Yaser Mansouri

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

Ocean wind direction estimation from SAR images using contoulet analysis.

Alireza Shamshiri, Ahmad Keshavarz, Yaser Mansouri

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

2005

Hierarchical classification of hyperspectral images by using SVMs and "same class neighborhood property".

Ahmad Keshavarz, Hassan Ghassemian, Hamid Dehghani

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

A multiple classifier template for hyperspectral images classification.

Hamid Dehghani, Hassan Ghassemian, Ahmad Keshavarz

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005