Original/Review Paper
Classification of sEMG Signals for Diagnosis of Unilateral Posterior Crossbite in Primary Dentition using Fast Fourier Transform and Logistic Regression

H. Kalani; E. Abbasi

Volume 10, Issue 2 , April 2022, Pages 151-158


  Posterior crossbite is a common malocclusion disorder in the primary dentition that strongly affects masticatory function. To the best of the author’s knowledge, for the first time, this article presents a reasonable and computationally efficient diagnostic system for detecting characteristics ...  Read More

Original/Review Paper
Clustering Methods to Analyze Social Media Posts during Coronavirus Pandemic in Iran

F. Amiri; S. Abbasi; M. Babaie mohamadeh

Volume 10, Issue 2 , April 2022, Pages 159-169


  During the COVID-19 crisis, we face a wide range of thoughts, feelings, and behaviors on social media that play a significant role in spreading information regarding COVID-19. Trustful information, together with hopeful messages, could be used to control people's emotions and reactions during pandemics. ...  Read More

Technical Paper
Abnormal Behavior Detection over Normal Data and Abnormal-augmented Data in Crowded Scenes

V. Fazel Asl; B. Karasfi; B. Masoumi

Volume 10, Issue 2 , April 2022, Pages 171-183


  In this article, we consider the problems of abnormal behavior detection in a high-crowded environment. One of the main issues in abnormal behavior detection is the complexity of the structure patterns between the frames. In this paper, social force and optical flow patterns are used to prepare the system ...  Read More

Original/Review Paper
Increasing Performance of Recommender Systems by Combining Deep Learning and Extreme Learning Machine

Z. Nazari; H.R. Koohi; J. Mousavi

Volume 10, Issue 2 , April 2022, Pages 185-195


  Nowadays, with the expansion of the internet and its associated technologies, recommender systems have become increasingly common. In this work, the main purpose is to apply new deep learning-based clustering methods to overcome the data sparsity problem and increment the efficiency of recommender systems ...  Read More

Applied Article
Distributed Online Pre-Processing Framework for Big Data Sentiment Analytics

M. Molaei; D. Mohamadpur

Volume 10, Issue 2 , April 2022, Pages 197-205


  Performing sentiment analysis on social networks big data can be helpful for various research and business projects to take useful insights from text-oriented content. In this paper, we propose a general pre-processing framework for sentiment analysis, which is devoted to adopting FastText with Recurrent ...  Read More

Automatic Detection of Lung Nodules on Computer Tomography Scans with a Deep Direct Regression Method

Kh. Aghajani

Volume 10, Issue 2 , April 2022, Pages 207-215


  Deep-learning-based approaches have been extensively used in detecting pulmonary nodules from computer Tomography (CT) scans. In this study, an automated end-to-end framework with a convolution network (Conv-net) has been proposed to detect lung nodules from CT images. Here, boundary regression has been ...  Read More

Original/Review Paper
Automatic Visual Inspection System based on Image Processing and Neural Network for Quality Control of Sandwich Panel

V. Torkzadeh; S. Toosizadeh

Volume 10, Issue 2 , April 2022, Pages 217-231


  In this study, an automatic system based on image processing methods using features based on convolutional neural networks is proposed to detect the degree of possible dipping and buckling on the sandwich panel surface by a colour camera. The proposed method, by receiving an image of the sandwich panel, ...  Read More

Original/Review Paper
A Hybrid Deep Network Representation Model for Detecting Researchers’ Communities

A. Torkaman; K. Badie; A. Salajegheh; M. H. Bokaei; Seyed F. Fatemi

Volume 10, Issue 2 , April 2022, Pages 233-243


  Recently, network representation has attracted many research works mostly concentrating on representing of nodes in a dense low-dimensional vector. There exist some network embedding methods focusing only on the node structure and some others considering the content information within the nodes. In this ...  Read More

Original/Review Paper
A new Approach to Estimate Motion and Structure of a Moving Rigid Object in a 3D Space with a Single Hand-Held Camera

R. Serajeh; A. Mousavinia; F. Safaei

Volume 10, Issue 2 , April 2022, Pages 245-256


  Classical SFM (Structure From Motion) algorithms are widely used to estimate the three-dimensional structure of a stationary scene with a moving camera. However, when there are moving objects in the scene, if the equation of the moving object is unknown, the approach fails. This paper first demonstrates ...  Read More

Original/Review Paper
A Hybridization Method of Prototype Generation and Prototype Selection for K-NN rule Based on GSA

M. Rezaei; H. Nezamabadi-pour

Volume 10, Issue 2 , April 2022, Pages 257-268


  The present study aims to overcome some defects of the K-nearest neighbor (K-NN) rule. Two important data preprocessing methods to elevate the K-NN rule are prototype selection (PS) and prototype generation (PG) techniques. Often the advantage of these techniques is investigated separately. In this paper, ...  Read More

Original/Review Paper
Detecting Group Review Spammers in Social Media

Z. Teimoori; M. Salehi; V. Ranjbar; Saeed R. Shehnepoor; Sh. Najari

Volume 10, Issue 2 , April 2022, Pages 269-283


  Nowadays, some e-advice websites and social media like e-commerce businesses, provide not only their goods but a new way that their customers can give their opinions about products. Meanwhile, there are some review spammers who try to promote or demote some specific products by writing fraud reviews. ...  Read More

Original/Review Paper
AgriNet: a New Classifying Convolutional Neural Network for Detecting Agricultural Products’ Diseases

F. Salimian Najafabadi; M. T. Sadeghi

Volume 10, Issue 2 , April 2022, Pages 285-302


  An important sector that has a significant impact on the economies of countries is the agricultural sector. Researchers are trying to improve this sector by using the latest technologies. One of the problems facing farmers in the agricultural activities is plant diseases. If a plant problem is diagnosed ...  Read More