Markov matrix and entropy based tamper detection technique for text images
Joint Authors
Source
Journal of Engineering Research
Issue
Vol. 11, Issue 1 A (31 Mar. 2023), pp.79-93, 15 p.
Publisher
Kuwait University Academic Publication Council
Publication Date
2023-03-31
Country of Publication
Kuwait
No. of Pages
15
Main Subjects
Abstract EN
In this paper, a novel watermarking technique for the tamper detection of text images is pro- posed.
Entropy of every sentence is computed and Markov matrix using the occurrences of the characters is used to generate a character pattern.
Entropy and character patterns are converted to Unicode Zero Width Characters (ZWCs) by using a lookup table.
The ZWCs of entropy of each sentence is embedded at the end of every sentence after terminator.
ZWCs of the character patterns are embedded in the end of the text of the image.
On receiver side, ZWCs are extracted and converted to numerical form using the same lookup table.
Entropy of every sentence and character patterns are recalculated and compared with extracted values for tamper detection.
Comparison of technique with existing state-of-art techniques shows the effectiveness of the proposed technique.
American Psychological Association (APA)
Singh, Balkar& Sharma, M. K.. 2023. Markov matrix and entropy based tamper detection technique for text images. Journal of Engineering Research،Vol. 11, no. 1 A, pp.79-93.
https://search.emarefa.net/detail/BIM-1494582
Modern Language Association (MLA)
Singh, Balkar& Sharma, M. K.. Markov matrix and entropy based tamper detection technique for text images. Journal of Engineering Research Vol. 11, no. 1 A (Mar. 2023), pp.79-93.
https://search.emarefa.net/detail/BIM-1494582
American Medical Association (AMA)
Singh, Balkar& Sharma, M. K.. Markov matrix and entropy based tamper detection technique for text images. Journal of Engineering Research. 2023. Vol. 11, no. 1 A, pp.79-93.
https://search.emarefa.net/detail/BIM-1494582
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 92-93
Record ID
BIM-1494582