Ahmad Keshavarz

45 papers C 8Journal 32Unranked 5

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Measures of extended fractional Deng entropy and extropy with applications. Commun. Stat. Simul. Comput. Nastaran Marzban Vaselabadi, Saeid Tahmasebi, Ahmad Keshavarz, Francesco Buono
2025	J	`jnl`	A Hybrid Deep Learning Approach for Enhanced Classification of Lung Pathologies From Chest X-Ray. Int. J. Imaging Syst. Technol. Samira Sajed, Habib Rostami, Jorge Esparteiro Garcia, Ahmad Keshavarz, Andreia Teixeira
2025	J	`jnl`	Efficacy of PSMA PET/CT radiomics analysis for risk stratification in newly diagnosed prostate cancer: a multicenter study. BMC Medical Imaging Esmail Jafari, Amin Zarei, Habibollah Dadgar, Ahmad Keshavarz, Hamid Abdollahi, Rezvan Samimi, Reyhaneh Manafi-Farid, GhasemAli Divband, Babak Nikkholgh, Babak Fallahi, HamidReza Amini, Hojjat Ahmadzadehfar, Arman Rahmim, Farshad Zohrabi, Majid Assadi
2025	J	`jnl`	Enhancing LoRaWAN Localization in Industrial Environments: Merging Path-Loss Modeling, Extended Kalman Filtering and Map-Matching. IEEE Access Azin Moradbeikie, Ahmad Keshavarz, Sérgio Ivan Lopes
2025	J	`jnl`	Leveraging Local and Global Features for Enhanced Segmentation of Brain Metastatic Tumors in Magnetic Resonance Imaging. Int. J. Imaging Syst. Technol. Mojtaba Mansouri Nejad, Habib Rostami, Ahmad Keshavarz, Hojat Ghimatgar, Mohamad Saleh Rayani, Leila Gonbadi
2024	J	`jnl`	A hybrid semantic recommender system based on an improved clustering. J. Supercomput. Payam Bahrani, Behrouz Minaei-Bidgoli, Hamid Parvin, Mitra Mirzarezaee, Ahmad Keshavarz
2024	J	`jnl`	A hybrid semantic recommender system enriched with an imputation method. Multim. Tools Appl. Payam Bahrani, Behrouz Minaei-Bidgoli, Hamid Parvin, Mitra Mirzarezaee, Ahmad Keshavarz
2024	J	`jnl`	A new improved KNN-based recommender system. J. Supercomput. Payam Bahrani, Behrouz Minaei-Bidgoli, Hamid Parvin, Mitra Mirzarezaee, Ahmad Keshavarz
2024	J	`jnl`	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. Neural Comput. Appl. Habib Rostami, Maryam Ashkpour, Hamed Behzadi-Khormouji, Maral Mokhtari, Armin Khayati, Ahmad Keshavarz, Saeed Talatian Azad, Yahya Tabesh
2024	J	`jnl`	Multi-modal classification of breast cancer lesions in Digital Mammography and contrast enhanced spectral mammography images. Comput. Biol. Medicine Narjes Bouzarjomehri, Mohammad Barzegar, Habib Rostami, Ahmad Keshavarz, Ahmad Navid Asghari, Saeed Talatian Azad
2023	J	`jnl`	A cost-effective LoRaWAN-based IoT localization method using fixed reference nodes and dual-slope path-loss modeling. Internet Things Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes
2023	J	`jnl`	Image steganalysis using modified graph clustering based ant colony optimization and Random Forest. Multim. Tools Appl. Abouzar Dehdar, Ahmad Keshavarz, Naser Parhizgar
2023	—	`conf`	Improving LoRaWAN Fingerprint-Based Localization by Detecting and Eliminating Noisy RSSI Measurements. WF-IoT Asma Haghighat, Zahra Sirous, Azin Moradbeikie, Ahmad Keshavarz, Sérgio Ivan Lopes
2023	—	`conf`	RELIANCE: A Reliable and Power Efficient LoRaWAN Optimization Approach for IoT Systems. WF-IoT Ebrahim Darabi, Azin Moradbeikie, Ahmad Keshavarz, Sérgio Ivan Lopes
2023	J	`jnl`	The effectiveness of deep learning vs. traditional methods for lung disease diagnosis using chest X-ray images: A systematic review. Appl. Soft Comput. Samira Sajed, Amir Sanati, Jorge Esparteiro Garcia, Habib Rostami, Ahmad Keshavarz, Andreia Teixeira
2022	J	`jnl`	A Hybrid Framework for Visual Positioning: Combining Convolutional Neural Networks with Ontologies. EAI Endorsed Trans. Energy Web Abdolreza Mosaddegh, Sérgio Ivan Lopes, Habib Rostami, Ahmad Keshavarz, Sara Paiva
2022	J	`jnl`	Fault location in distribution networks based on SVM and impedance-based method using online databank generation. Neural Comput. Appl. Ahmad Keshavarz, Rahman Dashti, Maryam Deljoo, Hamid Reza Shaker
2022	J	`jnl`	Low-Cost Traffic Sensing System Based on LoRaWAN for Urban Areas. CoRR Hannaneh Barahouei Pasandi, Asma Haghighat, Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes
2022	—	`conf`	Low-cost traffic sensing system based on LoRaWAN for urban areas. EmergingWireless@CoNEXT Hannaneh Barahouei Pasandi, Asma Haqiqat, Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes
2022	J	`jnl`	Machine Learning-Based Fault Location for Smart Distribution Networks Equipped with Micro-PMU. Sensors Hamid Mirshekali, Rahman Dashti, Ahmad Keshavarz, Hamid Reza Shaker
2021	J	`jnl`	A Novel Fault Location Methodology for Smart Distribution Networks. IEEE Trans. Smart Grid Hamid Mirshekali, Rahman Dashti, Ahmad Keshavarz, Amin Jahromi Torabi, Hamid Reza Shaker
2021	J	`jnl`	File fragment recognition based on content and statistical features. CoRR Marzieh Masoumi, Ahmad Keshavarz, Reza Fotohi
2021	J	`jnl`	File fragment recognition based on content and statistical features. Multim. Tools Appl. Marzieh Masoumi, Ahmad Keshavarz, Reza Fotohi
2021	J	`jnl`	Hyperspectral image classification using cluster based graph regularized low rank representation and dictionary learning. Neurocomputing Fatemeh Hajiani, Naser Parhizgar, Ahmad Keshavarz
2021	—	`conf`	Improvement of RSSI-Based LoRaWAN Localization Using Edge-AI. SmartCity360° Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes
2020	J	`jnl`	A Shift-Dependent Measure of Extended Cumulative Entropy and Its Applications in Blind Image Quality Assessment. Symmetry Saeid Tahmasebi, Ahmad Keshavarz, Maria Longobardi, Reza Mohammadi
2020	J	`jnl`	Deep learning, reusable and problem-based architectures for detection of consolidation on chest X-ray images. Comput. Methods Programs Biomed. Hamed Behzadi Khormuji, Habib Rostami, Sana Salehi, Touba Derakhshande-Rishehri, Marzieh Masoumi, Siavash Salemi, Ahmad Keshavarz, Ali Gholamrezanezhad, Majid Assadi, Ali Batouli
2020	J	`jnl`	On Secure Mixed RF-FSO Decode-and-Forward Relaying Systems With Energy Harvesting. IEEE Syst. J. Mohammad Javad Saber, Jalil Mazloum, Amir Mehdi Sazdar, Ahmad Keshavarz, Md. Jalil Piran
2020	J	`jnl`	User and item profile expansion for dealing with cold start problem. J. Intell. Fuzzy Syst. Payam Bahrani, Behrouz Minaei-Bidgoli, Hamid Parvin, Mitra Mirzarezaee, Ahmad Keshavarz, Hamid Alinejad-Rokny
2019	J	`jnl`	Feature Extraction in Fractional Fourier Domain for Classification of Passive Sonar Signals. J. Signal Process. Syst. Mehdi Shadlou Jahromi, Vahid Bagheri, Habib Rostami, Ahmad Keshavarz
2019	J	`jnl`	Physical-Layer Security Analysis of Mixed SIMO SWIPT RF and FSO Fixed-Gain Relaying Systems. IEEE Syst. J. Mohammad Javad Saber, Ahmad Keshavarz, Jalil Mazloum, Amir Mehdi Sazdar, Md. Jalil Piran
2018	C	`conf`	Hyperspectral Endmember Extraction Preprocessing Using Combination of Euclidean and Geodesic Distances. IGARSS Fatemeh Kowkabi, Ahmad Keshavarz
2018	—	`conf`	Secrecy Outage Probability Analysis of Dual-Hop RF-FSO Fixed-Gain Relaying System. IST Mohammad Javad Saber, Ahmad Keshavarz
2018	C	`conf`	Wind Direction Extraction from Sar Images Using Nsct Transform. IGARSS Fatemeh Tabarteh Farahani, Ahmad Keshavarz, Stefano Zecchetto
2017	J	`jnl`	A New Pseudo-color Technique Based on Intensity Information Protection for Passive Sensor Imagery. CoRR Mohammad Reza Khosravi, Habib Rostami, Gholam Reza Ahmadi, Suleiman Mansouri, Ahmad Keshavarz
2017	J	`jnl`	Hybrid Preprocessing Algorithm for Endmember Extraction Using Clustering, Over-Segmentation, and Local Entropy Criterion. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz
2016	J	`jnl`	A Fast Spatial-Spectral Preprocessing Module for Hyperspectral Endmember Extraction. IEEE Geosci. Remote. Sens. Lett. Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz
2016	J	`jnl`	Enhancing Hyperspectral Endmember Extraction Using Clustering and Oversegmentation-Based Preprocessing. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz
2016	C	`conf`	Hyperspectral endmember extraction and unmixing by a novel spatial-spectral preprocessing module. IGARSS Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz
2015	C	`conf`	Endmember extraction using a novel Cluster-based Spatial Border Removal Preprocessor. IGARSS Fatemeh Kowkabi, Hassan Ghassemian, Ahmad Keshavarz
2015	J	`jnl`	MRF-based multispectral image fusion using an adaptive approach based on edge-guided interpolation. CoRR Mohammad Reza Khosravi, Suleiman Mansouri, Ahmad Keshavarz, Habib Rostami
2013	C	`conf`	Ocean wind direction estimation from SAR images using contoulet analysis. IGARSS Alireza Shamshiri, Ahmad Keshavarz, Yaser Mansouri
2013	C	`conf`	Ocean wind direction estimation from SAR images using morphological-numerical analysis. IGARSS Alireza Shamshiri, Ahmad Keshavarz, Yaser Mansouri
2005	C	`conf`	A multiple classifier template for hyperspectral images classification. IGARSS Hamid Dehghani, Hassan Ghassemian, Ahmad Keshavarz
2005	C	`conf`	Hierarchical classification of hyperspectral images by using SVMs and "same class neighborhood property". IGARSS Ahmad Keshavarz, Hassan Ghassemian, Hamid Dehghani