Computer Vision
1. A Novel Method for Medical Image Segmentation based on Convolutional Neural Networks with SGD Optimization

M. Taheri; M. Rastgarpour; A. Koochari

Volume 9, Issue 1 , Winter and Spring 2021, , Pages 37-46

http://dx.doi.org/10.22061/jecei.2020.7404.390

Abstract
  Background and Objectives: medical image Segmentation is a challenging task due to low contrast between Region of Interest and other textures, hair artifacts in dermoscopic medical images, illumination variations in images like Chest-Xray and various imaging acquisition conditions. Methods: In ...  Read More

2. Introducing New Trends for Persian CAPTCHA

F. Yaghmaee; M. Kamyar

Volume 4, Issue 2 , Summer and Autumn 2016, , Pages 119-126

http://dx.doi.org/10.22061/jecei.2016.572

Abstract
  To distinguish between human user and computer program to enhance security, a popular test called CAPTCHA is used on Web. CAPTCHA has an important role in preventing Denial Of Service (DOS) attacks in computer networks. There are many different types of CAPTCHA in different languages. Due to the expansion ...  Read More

3. 3D Hand Motion Evaluation Using HMM

A. Safaei; M. Jahed

Volume 1, Issue 1 , Winter and Spring 2013, , Pages 11-18

http://dx.doi.org/10.22061/jecei.2013.16

Abstract
  Gesture and motion recognition are needed for a variety of applications. The use of human hand motions as a natural interface tool has motivated researchers to conduct research in the modeling, analysis and recognition of various hand movements. In particular, human-computer intelligent interaction has ...  Read More