Volume 17 (2023)
Volume 16 (2022)
Volume 15 (2021)
Volume 14 (2020)
Volume 13 (2019)
Volume 12 (2018)
Volume 11 (2017)
Volume 10 (2016)
Volume 9 (2015)
Volume 8 (2014)
Volume 7 (2013)
Volume 6 (2012)
Volume 5 (2011)
Volume 4 (2010)
Volume 3 (2009)
Volume 2 (2008)
Volume 1 (2007)
Volume -2 (2005)
Volume -1 (2004)

Biomedical Signal Processing / Medical Signal Processing / Biosignal Processing
A Novel Criterion for Ranking the Robustness of EEG/MEG Sensor-Space Connectivity Estimators against Volume Conduction Artifact

Ali Khadem; Gholam Ali Hossein-Zadeh

Volume 8, Issue 1 , March 2014, , Pages 1-17

  In EEG/MEG datasets, the Volume Conduction (VC) artifact appears as instantaneous linear mixing of brain source activities on the channel measurements. A desired characteristic of an ideal EEG/MEG connectivity estimator (on sensor-space) is its robustness to VC artifact. This means that the VC of independent ...  Read More

Tissue Engineering
Domestic Construction of Soft Tissue Phantom for Validation Linear Quasi –Static Elastography

Zahra Saghaei Noosh Abadi; Atefe Aghajani; Mohammad Haghpanahi

Volume 7, Issue 1 , June 2013, , Pages 1-11

  We introduce how we may produce an experimental phantom for modeling the mechanical properties of soft tissue. Gelatin materials are used to construct the phantom. Our phantom comprises of two different types of tissue; tumor and background normal tissue. Weight ratio of the dry gelatin and deionized ...  Read More

Biomechanics of Bone / Bone Biomechanics
Investigating the Effect of Adding ZrO2 Nanoparticles on Physical and Mechanical Properties of Glass Ionomer Cements

Masume Khaghani; Zahra Golniya; Ali Doostmohammadi

Volume 6, Issue 1 , June 2012, , Pages 1-7

  The aim of this work was evaluating of zirconia nanoparticles’ effect on physical and mechanical properties of dental glass ionomer cements (GICs). Ceramic part of GIC was prepared using melting method and zirconia nanoparticles were added to GIC in 1, 3 and 5 weight percent. Characterization tests ...  Read More

Fluid-Structure Interaction in Biological Media / FSI
Effects of Cardiac Motion on Coronary Artery Flow rate

Alireza Hashemi Fard; Nasser Fatouraee

Volume 5, Issue 1 , June 2011, , Pages 1-12

  The heart muscle is supplied via the coronary arteries. The coronary arteries are deformed in each cardiac cycle by the contraction of the myocardium. The aim of this work was to investigate the effects of physiologically idealized cardiac-induced motion on flow rate in human left coronary arteries. ...  Read More

Biomedical Image Processing / Medical Image Processing
Estimation Of Tissue Damage Using Exchange Rate Constant In Magnetic Resonance Imaging

Effat Yahaghi; Yashar Nohi; Amir Movafeghi; Hamid Soltanian Zadeh

Volume 4, Issue 1 , June 2010, , Pages 1-11

  Magnetic resonance imaging (MRI) is a non-ionizing method for identification and evaluation of soft tissue lesions. Perfusion MRI evaluates soft tissues by measuring changes in magnetization of water molecules due to a contrast agent. To this end, concentration curves in the plasma and tissue are estimated ...  Read More

Biomedical Image Processing / Medical Image Processing
Deblurring Of Ultrasonic Images Based On Iterative Gradient Algorithm, Anisotropic Window And Complex Wavelet-Based Denoising

Hossein Rabbani

Volume 3, Issue 1 , June 2009, , Pages 1-14

  In this paper, ultrasonic images are initially deblurred using Gradient method and then the estimations of image and point spread function (PSF) are improved using denoising techniques. For this reason, at first a criterion with appropriate regularizers (that results in preservation of the edges) is ...  Read More

Fluid-Structure Interaction in Biological Media / FSI
Biomechanical Study of Brachial Artery Remodeling With Aging Using Fluid Solid Interaction Method

Hanie Niroomand Oscuii; Farzan Ghalichi; Mohammad Tafazzoli Shadpour

Volume 2, Issue 1 , June 2008, , Pages 1-8

  In this paper, we studied the effect of mechanical loading on remodeling process with aging in muscular arteries. Based on the gathered experimental data, the brachial artery was selected for simulation. In this simulation, pulsatile pressure and flow waves were considered as boundary conditions to study ...  Read More

Bioheat Transfer
Transducer Design For Ultrasound-Induced Hyperthermia Of Cancerous Tissues

Farzan Ghalichi; Sohrab Behnia

Volume 1, Issue 1 , June 2007, , Pages 1-8

  The methods of focusing ultrasonic waves in order to apply hyperthermia cancer therapy have studied and a transducer capable of focusing waves on cancerous tissues with the aid of its piezoelectricelements has introduced. The amount of absorbed energy was computed by solving numerically the acoustic ...  Read More

Biomechanics of Bone / Bone Biomechanics
Effects Of Type And Thickness Of Dental Implant Coatings On Maximum Stress At The Interface Of Coating-Implant And Bone-Coating

Khalil Farhangdoust; Ali Banihashem; Ali Ghaneei

Volume -2, Issue 1 , July 2005, , Pages 1-8

  Using ceramic coatings has increased in popularity due to their compatibility with bone, absence of the fibrous layer at the coating-implant interface, and the stronger coating-bone bonding. Among these coatings, hydroxyapatite (HA) and fluoroapatite (FA) are more popular. For the first time in this ...  Read More

Spinal Biomechanics
A Novel Approach for Automatic Calculation of Required Parameters in Spine Surgery using CT Images Row Data

Mojtaba Shahab; Behzad Seyfi; Nasser Fatouraee; Amir Saeid Seddighi

Volume 9, Issue 1 , April 2015, , Pages 1-15

  Spinal deformities are generally associated with lumbar and cervical chronic pain and additionally they disturb the health. In these deformities, lumbar spinal curvature undergone changes in three dimensional space and in most cases, they cause reduction of lung capacities, breathing problems and negative ...  Read More

Biomedical Signal Processing / Medical Signal Processing / Biosignal Processing
A New Hybrid Method for EOG Artifact Rejection from EEG Signal Using CCA and RLS

Maryam Tavakoli Najafabadi; Vahid Abootalebi; Farzaneh Shayegh

Volume 10, Issue 1 , May 2016, , Pages 1-10

  The purpose of this article is to evaluate the efficiency of Canonical Correlation Analysis- Recursive Least Square (CCA-RLS)hybridmethod in ElectroOcluGram (EOG) artifact removal from ElectroEncephaloGram (EEG) signal and compare it with Independent Component Analysis (ICA), Canonical Correlation Analysis ...  Read More

Biological Computer Modeling / Biological Computer Simulation
A New Method for Slowing Down Avascular Tumor Growth

Seyed Hojat Sabzpoushan; Fateme Pourhasanzade

Volume 11, Issue 1 , May 2017, , Pages 1-18

  In this paper, a new method is proposed for slowing down avascular tumor growth. Our method is established on an agent based avascular tumor growth model (ABM). The model is based on biological assumptions with regard to the immune system interactions. The model parameters are fitted in compatability ...  Read More

Neuro-Muscular Engineering
Decoding Force using Signals Recorded from the Rat Motor Cortex by Linear Regression

Tahmineh Sadati; Mohammad Reza Daliri

Volume 12, Issue 1 , June 2018, , Pages 1-10

  A brain-computer interface is a system which works based on the neural activity created by the brain and it has attracted the attention of many researchers in recent years. These interfaces are independent of the usual pathway of peripheral and muscular nerves and are very important because of their ...  Read More

Biofluid Mechanics / Biofluids
Computational Simulation of Airflow with Aerosols in Distal Parts of a Human Respiratory System: Investigating the Effects of Gravity

Mohammad Ahmadi Alashti; Bahman Vahidi; Mahtab Ebad

Volume 13, Issue 1 , April 2019, , Pages 1-15

  The large surface area of the lung with its thin air-blood barrier is exposed to particles in the inhaled air. In this condition, if the inhaled pollutant aerosols are toxic, the particle-lung interaction may cause serious hazards and injuries on human’s health. On the otherhand, these interactions ...  Read More

An Investigation of Dynamic Behavior of a Pointed-Mass Convex-Sole Biped Walker with and without a Passive Controller

Fatemeh Ghafouri; Mohammad Hadi Honarvar; Mohammad Mahdi Jalili

Volume 14, Issue 1 , May 2020, , Pages 1-11

  Minimizing the energy expenditure as well as structure's size and weight is very important in biped walking robots. To achieve this target, a passive controller, which is a combination of spring and linear damper, is added to a biped walker. The important specification of the studied walker is that it ...  Read More

Gait Analysis
Motion Reconstruction and Error Analysis for Human Planar Motions using at least One Freely-Placed Passive Marker per Segment

Fatemeh Akbarifar; Mohammad Hadi Honarvar; Mostafa Haj Lotfalian

Volume 15, Issue 1 , May 2021, , Pages 1-11

  Finding the center of rotation (COR) is needed for defining the anatomical axis of the skeletal system and for the kinematic calculation of joints in biomechanical studies. For this purpose, predictive and functional methods can be used. In the predictive methods, regression equations obtained from anthropometric ...  Read More

Brain Computer Interface / BCI / Neural Control Int. / NCI / Mind Machine Int. / MMI / Direct Neural Int. / DNI / Brain Machine Int. / BMI
Combined Method of EMD with CCA or LASSO to Detect SSVEP Frequency

Marzie Alirezaei Alavijeh; Ali Maleki

Volume 16, Issue 1 , May 2022, , Pages 1-9

  Nowadays, brain-computer interface system based on steady-state visual evoked potentials is increased due to advantages such as accepted accuracy and minimal need for user training. Despite these benefits, the unwanted noise that affects SSVEP is one of the issues that can reduce the efficiency of such ...  Read More

Brain Computer Interface / BCI / Neural Control Int. / NCI / Mind Machine Int. / MMI / Direct Neural Int. / DNI / Brain Machine Int. / BMI
Frequency recognition in SSVEP-based BCIs using combination of PARAFAC decomposition and Canonical Component Analysis

maryam farhadnia; Sepideh Hajipour; mohammad mikaili

Volume 17, Issue 1 , May 2023, , Pages 1-10

  Today, usage of brain-computer interface systems based on steady-state visual evoked potentials (SSVEPs) has been increased due to some advantages such as acceptable accuracy and minimal need for user training. Steady-state visual potentials are one of the most important patterns used in BCI systems, ...  Read More

A New Method For Selective Stimulation In Cochlear Implant Using Non-Simultaneous Multi Electrode Stimulation

Hamed Sajedi; Seyed Ahmad Motamedi; Seyed Mohammad Firouzabadi

Volume -1, Issue 1 , June 2004, , Pages 3-14

  Auditory nerve fibers stimulating using electrical current with implanted electrodes are the basis of cochlear implant system. Therefore, expansion of current spread in volume conductor will change the electrical potential in a larger region. This expansion causes larger region stimulation and decreases ...  Read More

Biological Computer Modeling / Biological Computer Simulation
A Behavioral Based Model for Describing Learning Farsi Characters

Maryam Naghibolhosseini; Fariba Bahrami

Volume 2, Issue 2 , June 2008, , Pages 75-84

  This paper proposes a model to learn Farsi handwriting in different sizes based on human behavior. This model copies a human handwritten character with imitation. The imitation includes two stages of perception and action. During the perception, the information that is needed in order to generate the ...  Read More

Bioceramics / Bioglasses
Effect of Hand-Held Flexi-Bar on Shoulder Functional Tonic and Phasic Time-Varying Muscle Synergies

Mehrdad Davoudi; S. Mohammad Reza Shokouhyan; Mahdi Bagheri Rouchi; Masoud Abdollahi; Soha Bervis; Maryam Hoviat Talab; Mohamad Parnianpour

Volume 14, Issue 2 , July 2020, , Pages 81-96

  An open research question is how the central nervous system (CNS) to find a solution for the problem of redundancy or degree of freedom in the human shoulder motion control. We used time-varying synergy theory in which assumed that the relative activation between muscles is time-varying, to investigate ...  Read More

Biological Computer Modeling / Biological Computer Simulation
Functional Modeling of Astrocytes in Synchronization of Neuronal Cells

Mahmoud Amiri; Fariba Bahrami; Mahyar Janahmadi

Volume 4, Issue 2 , June 2010, , Pages 83-96

  Based on the neurophysiologic findings, astrocytes provide not only structural and metabolic supports for the nervous system but also they are active partners in neuronal activities and synaptic transmissions. In the present study, we improved two biologically plausible cortical and thalamocortical neural ...  Read More

Biomedical Image Processing / Medical Image Processing
Speckle Noise Removal By Genetic Neuro-Fuzzy System In Sonography Images

Ali Rafiei; Mohammad Hasan Moradi; Mohammad Reza Farzaneh

Volume 1, Issue 2 , June 2007, , Pages 83-93

  A new filter was designed and approved for speckle noise removal in sonography images. In this filter, a new idea is used by using neural network learning, fuzzy information and genetic algorithm optimization. The multi-layer perceptron neural network with binary weights is used in this filter. The neighborhood ...  Read More

Optimization of Continuous Wavelet Coefficients for Neural Spike Sorting

Amir Soleymankhani; Vahid Shalchyan

Volume 12, Issue 2 , September 2018, , Pages 85-96

  The extracellular recording from the brain's single neurons is known as a popular method in neuroscience and neuro-rehabilitation engineering. These recordings include the activity of all neurons around the electrode, for better use of which, spike sorting methods should be utilized to obtain the activity ...  Read More

Biomedical Signal Processing / Medical Signal Processing / Biosignal Processing
Heart arrhythmia diagnosis by neural networks using chaotic features of HRV signal and generalized discriminant analysis

Reza Soleimani; Seyed Mpjtaba Rouhani

Volume 5, Issue 2 , June 2011, , Pages 89-103

  in this paper, a novel and effective algorithm for classification of important heart arrhythmia is presented. The proposed algorithm uses heart rate variation (HRV) signal which has better chaotic characteristics. In addition to commonly used linear time domain and frequency domain features, nonlinear ...  Read More