An Improved GPS/INS Integration Based on EKF and AI During GPS Outages. - Ebrahimi, Amir; Nezhadshahbodaghi, Mohsen; Mosavi, Mohammad Reza; Ayatollahi, Ahmad (J. Circuits Syst. Comput., 2024)

A Lightweight Attention-based Deep Network via Multi-Scale Feature Fusion for Multi-View Facial Expression Recognition. - Ezati, Ali; Dezyani, Mohammadreza; Rana, Rajib; Rajabi, Roozbeh; Ayatollahi, Ahmad (CoRR, 2024)

COV-MobNets: a mobile networks ensemble model for diagnosis of COVID-19 based on chest X-ray images. - Eshraghi, Mohammad Amir; Ayatollahi, Ahmad; Shokouhi, Shahriar Baradaran (BMC Medical Imaging, 2023)

MedViT: A robust vision transformer for generalized medical image classification. - Manzari, Omid Nejati; Ahmadabadi, Hamid; Kashiani, Hossein; Shokouhi, Shahriar B.; Ayatollahi, Ahmad (Comput. Biol. Medicine, 2023)

Sleep apnea detection from ECG signal using deep CNN-based structures. - Ayatollahi, Ahmad; Afrakhteh, Sajjad; Soltani, Fatemeh; Saleh, Ehsan (Evol. Syst., 2023)

Still image action recognition based on interactions between joints and objects. - Ashrafi, Seyed Sajad; Shokouhi, Shahriar B.; Ayatollahi, Ahmad (Multim. Tools Appl., 2023)

MedViT: A Robust Vision Transformer for Generalized Medical Image Classification. - Manzari, Omid Nejati; Ahmadabadi, Hamid; Kashiani, Hossein; Shokouhi, Shahriar B.; Ayatollahi, Ahmad (CoRR, 2023)

Distilling Knowledge from CNN-Transformer Models for Enhanced Human Action Recognition. - Ahmadabadi, Hamid; Manzari, Omid Nejati; Ayatollahi, Ahmad (CoRR, 2023)

Multi-expert human action recognition with hierarchical super-class learning. - Dehkordi, Hojat Asgarian; Nezhad, Ali Soltani; Kashiani, Hossein; Shokouhi, Shahriar Baradaran; Ayatollahi, Ahmad (Knowl. Based Syst., 2022)

Detection of Drowsiness Using the Pulse Rate Variability of Finger. - Heydari, Saeideh; Ayatollahi, Ahmad; Najafi, Arezu; Poorjafari, Mohammad (SN Comput. Sci., 2022)

HeartSiam: A Domain Invariant Model for Heart Sound Classification. - Mashhoor, Reza Yousefi; Ayatollahi, Ahmad (CoRR, 2022)

An efficient method for classifying motor imagery using CPSO-trained ANFIS prediction. - Mosavi, Mohammad Reza; Ayatollahi, Ahmad; Afrakhteh, Sajjad (Evol. Syst., 2021)

Action recognition in still images using a multi-attention guided network with weakly supervised saliency detection. - Ashrafi, Seyed Sajad; Shokouhi, Shahriar B.; Ayatollahi, Ahmad (Multim. Tools Appl., 2021)

Multi-Expert Human Action Recognition with Hierarchical Super-Class Learning. - Dehkordi, Hojat Asgarian; Nezhad, Ali Soltani; Kashiani, Hossein; Shokouhi, Shahriar Baradaran; Ayatollahi, Ahmad (CoRR, 2021)

Accurate Classification of EEG Signals Using Neural Networks Trained by Hybrid Population-physic-based Algorithm. - Afrakhteh, Sajjad; Mosavi, Mohammad Reza; Khishe, Mohammad; Ayatollahi, Ahmad (Int. J. Autom. Comput., 2020)

Online Visual Tracking with One-Shot Context-Aware Domain Adaptation. - Kashiani, Hossein; Imani, Amir Abbas Hamidi; Shokouhi, Shahriar Baradaran; Ayatollahi, Ahmad (CoRR, 2020)

A new nonparametric statistical approach to detect lumen and Media-Adventitia borders in intravascular ultrasound frames. - Kermani, Ali; Ayatollahi, Ahmad (Comput. Biol. Medicine, 2019)

A transformation model based on dual-tree complex wavelet transform for non-rigid registration of 3D MRI images. - Torbati, Nima; Ayatollahi, Ahmad (Int. J. Wavelets Multiresolution Inf. Process., 2019)

Image-Based Gating of Intravascular Ultrasound Sequences Using the Phase Information of Dual-Tree Complex Wavelet Transform Coefficients. - Torbati, Nima; Ayatollahi, Ahmad; Sadeghipour, Parham (IEEE Trans. Medical Imaging, 2019)

Lumen boundary detection using neutrosophic c-means in IVOCT images. - Habibi, Mohammad; Ayatollahi, Ahmad; Dallalazar, Niyoosha; Kermani, Ali (CoRR, 2019)

An efficient neural network based method for medical image segmentation. - Torbati, Nima; Ayatollahi, Ahmad; Kermani, Ali (Comput. Biol. Medicine, 2014)

A Zero-Pole Reposition Based, 0.95-mW, 68-dB, Linear-in-dB, Constant-Bandwidth Variable Gain Amplifier. - Baghtash, Hassan Faraji; Ayatollahi, Ahmad (Circuits Syst. Signal Process., 2014)

Robust genetic programming-based detection of atrial fibrillation using RR intervals. - Yaghouby, Farid; Ayatollahi, Ahmad; Bahramali, Reihaneh; Yaghouby, Maryam (Expert Syst. J. Knowl. Eng., 2012)

Design a 10-Bit 100MHz pipelined ADC using RB-OTA in 90nm CMOS technology. - Mirhosseini, S. Hassan; Ayatollahi, Ahmad (IEICE Electron. Express, 2012)

CMOL implementation of spiking neurons and spike-timing dependent plasticity. - Afifi, Ahmad; Ayatollahi, Ahmad; Raissi, Farshid (Int. J. Circuit Theory Appl., 2011)

Genetic Snake for Medical Ultrasound Image Segmentation. - Talebi, Mohammad; Ayatollahi, Ahmad (2011)

A low voltage low power CMOS analog multiplier. - Miremadi, Amir H.; Ayatollahi, Ahmad; Abrishamifar, Adib (2011)

Evolutionary eigenvoice MLLR speaker adaptation. - Sahraeian, Reza; Mohammadi, Mehdi; Akbari, Ahmad; Ayatollahi, Ahmad (2011)

Towards automatic detection of atrial fibrillation: A hybrid computational approach. - Yaghouby, Farid; Ayatollahi, Ahmad; Bahramali, Reihaneh; Yaghouby, Maryam; Alavi, Amir Hossein (Comput. Biol. Medicine, 2010)

Efficient Hybrid CMOS-Nano Circuit Design for Spiking Neurons and Memristive Synapses with STDP. - Afifi, Ahmad; Ayatollahi, Ahmad; Raissi, Farshid; Hajghassem, Hassan (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Spectral Entropy for Epileptic Seizures Detection. - Mirzaei, Ahmad; Ayatollahi, Ahmad; Gifani, Parisa; Salehi, Leili (2010)

New Approach in Transform-Based Speaker Adaptation Using Minimum Classification Error. - Sahraeian, Reza; Zamani, Behzad; Akbari, Ahmad; Ayatollahi, Ahmad; Nasersharif, Babak (2010)

STDP implementation using memristive nanodevice in CMOS-Nano neuromorphic networks. - Afifi, Ahmad; Ayatollahi, Ahmad; Raissi, Farshid (IEICE Electron. Express, 2009)

A new CMOS all-pass phase shifter for phased array systems. - Mohammadi, Ali; Ayatollahi, Ahmad; Abrishamifar, Adib (IEICE Electron. Express, 2009)

Noise power spectrum estimation using constrained variance spectral smoothing and minima tracking. - Derakhshan, Nima; Akbari, Ahmad; Ayatollahi, Ahmad (Speech Commun., 2009)

Maximum Likelihood Active Contours Specialized for Mammography Segmentation. - Rahmati, Peyman; Ayatollahi, Ahmad (2009)

Investigating the linearity of MOSFET-only switched-capacitor DeltaSigma modulators under low-voltage condition. - Parsan, Farhad Alibeygi; Ayatollahi, Ahmad; Abrishamifar, Adib (2009)

A low voltage CMOS analog multiplier with high linearity. - Miremadi, Amir H.; Ayatollahi, Ahmad; Abrishamifar, Adib; Siadatan, Alireza (2009)

Implementation of biologically plausible spiking neural network models on the memristor crossbar-based CMOS/nano circuits. - Afifi, Ahmad; Ayatollahi, Ahmad; Raissi, Farshid (2009)

An objective measure for the musical noise assessment in noise reduction systems. - Derakhshan, Nima; Rahmani, Mohsen; Akbari, Ahmad; Ayatollahi, Ahmad (2009)

Automatic Counting of Leukocytes in Giemsa-Stained Images of Peripheral Blood Smear. - Hamghalam, Mohammad; Ayatollahi, Ahmad (2009)

Estimation of Changes in Left Ventricular Wall Thickness in Full Short Axis CMRI to Diagnosis Myocardium Infarctions. - HajiRassouliha, Amir; Ayatollahi, Ahmad (2009)

Automatic Obtaining of Left Ventricular Area and Analyzing the Area Changes. - HajiRassouliha, Amir; Ayatollahi, Ahmad (2009)

A novel CMOS all-pass tunable phase shifter. - Mohammadi, Ali; Abrishamifar, Adib; Ayatollahi, Ahmad (2009)

Conditional spectral moments in matching pursuit based on the chirplet elementary function. - Ghofrani, Sedigheh; McLernon, Desmond C.; Ayatollahi, Ahmad (Digit. Signal Process., 2008)

Comparison of Using Different Types of Wavelet or FFT for De-nosing of Body Surface Potential Signals. - HajiRassouliha, Amir; Amoon, Mehdi; Doostmohammadi, Mohammad Hossein; Sadr, Ali; Ayatollahi, Ahmad; Rezairad, Gholam Ali (2008)

A comparator-based switched-capacitor integrator using a new charge control circuit. - Parsan, Farhad Alibeygi; Ayatollahi, Ahmad (2008)

A survey on linear relations between main electrical components during action potential in ventricular cell. - Sabzpoushan, Seyed Hojjat; Ayatollahi, Ahmad; Noble, Denis; Noble, P. J. (Appl. Math. Comput., 2007)

Estimation of Instantaneous Frequency and Instantaneous Bandwidth via Adaptive Signal Decomposition. - Ghofrani, Sedigheh; McLernon, Desmond C.; Ayatollahi, Ahmad (2006)

On conditional spectral moments of Gaussian and damped sinusoidal atoms in adaptive signal decomposition. - Ghofrani, Sedigheh; McLernon, Desmond C.; Ayatollahi, Ahmad (Signal Process., 2005)

Weighted average instantaneous frequency based on adaptive signal decomposition. - Ghofrani, Sedigheh; McLernon, Desmond C.; Ayatollahi, Ahmad (2005)

A novel current-conveyor-based switched-capacitor integrator. - Kaabi, Hooman; Jahed-Motlagh, Mohammad Reza; Ayatollahi, Ahmad (2005)