Propose image captcha system
Other Title(s)
اقتراح نظام صورة كلمة التحقق
Joint Authors
Hassun, Raja Kazim
Hasan, Rihab Fulayyih
Hashim, Sukaynah Hasan
Source
Issue
Vol. 2016, Issue 26 (31 Dec. 2016), pp.85-100, 16 p.
Publisher
Publication Date
2016-12-31
Country of Publication
Iraq
No. of Pages
16
Main Subjects
Information Technology and Computer Science
Topics
Abstract EN
Captcha has been designed to be easy for humans and hard on the machines.
Captcha are used by many websites to determine human users from indecent programs.
This paper will propose two types for generating captcha these are; text and image captcha.
In the first type use (6*6) captcha table to store alphabetic characters 'A'..'Z' and '0'..'9' and use random function to generate six numbers to represent the row and colum numbers which used as index to retrieve the character from the captcha table to get the final captcha.
In the second types a sample of 100 images from PayPal.com Human Interactive Proofs (HIP) are used.
In order to recognize these images three steps for recognize the characters (pre-processing, segmentation and classification) are adopted.
The modification was in the preprocessing step where proposing to use Gabor filter to remove the noise in the images which make the recognition accuracy 100% which is good results when compared with the obtained accuracy in reference [1] where the accuracy value in the range (80% ..
98%) for different scheme used in this work.
American Psychological Association (APA)
Hassun, Raja Kazim& Hashim, Sukaynah Hasan& Hasan, Rihab Fulayyih. 2016. Propose image captcha system. al-Mansour،Vol. 2016, no. 26, pp.85-100.
https://search.emarefa.net/detail/BIM-733179
Modern Language Association (MLA)
Hassun, Raja Kazim…[et al.]. Propose image captcha system. al-Mansour No. 26 (2016), pp.85-100.
https://search.emarefa.net/detail/BIM-733179
American Medical Association (AMA)
Hassun, Raja Kazim& Hashim, Sukaynah Hasan& Hasan, Rihab Fulayyih. Propose image captcha system. al-Mansour. 2016. Vol. 2016, no. 26, pp.85-100.
https://search.emarefa.net/detail/BIM-733179
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 99
Record ID
BIM-733179