University of Cape Coast Institutional Repository
Search
Login
UCC IR Home
→
UNIVERSITY PUBLICATIONS
→
RESEARCH ARTICLES AND BOOKS
→
COLLEGE OF AGRICULTURAL & NATURAL SCIENCES
→
SCHOOL OF PHYSICAL SCIENCE
→
Department of Physics
→
Search
JavaScript is disabled for your browser. Some features of this site may not work without it.
Search
Filters
Use filters to refine the search results.
Current Filters:
Title
Author
Subject
Date issued
Contains
Equals
ID
Not Contains
Not Equals
Not ID
New Filters:
Title
Author
Subject
Date issued
Contains
Equals
ID
Not Contains
Not Equals
Not ID
Showing 10 out of a total of 11 results for collection: Department of Physics.
(0.013 seconds)
Now showing items 1-10 of 11
1
2
Next Page
Sort Options:
Relevance
Title Asc
Title Desc
Issue Date Asc
Issue Date Desc
Results Per Page:
5
10
20
40
60
80
100
A Spatial Domain Watermarking Approach for Digital Images based on Image Features built on Formal Concepts Analysis
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Pascu, Anca Christine
;
Gire, Sophie
;
Eghan, Jojo M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2015
)
A hybrid cryptographic and digital watermarking technique for securing digital images based on a generated symmetric key
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Pascu, Anca Christine
;
Gire, Sophie
;
Eghan, Jojo M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2014
)
A cryptographic and watermarking encryption technique for securing and authentication of digital images
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Pascu, Anca Christine
;
Gire, Sophie
;
Eghan, Jojo M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2015
)
A security technique for authentication and security of medical images in health information systems
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Pascu, Anca Christine
;
Gire, Sophie
;
Eghan, Jojo M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2015
)
Feature based cryptanalytic technique for digital forensics analysis of visual cryptographic digital image data based on formal concept analysis
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Pascu, Anca Christine
;
Gire, Sophie
;
Eghan, Jojo M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2015
)
Feature based encryption technique for securing forensic biometric image data using aes and visual cryptography
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Pascu, Anca Christine
;
Gire, Sophie
;
Eghan, J. M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2014
)
The digital image data transmission and storage in today’s cyberspace has increase with privacy and security concerns. Digital media collected from different sources such as surveillance systems, forensic databases, medical images are very sensitive hence security concerns regarding the safe transmission and authentication of such digital data across secured and unsecured communication channels needs to be addressed. This security to such images should be easily used to identify the source, detect modification and secure the content of the image as well as avoiding pixel loss during the original image recovery process. In this paper, we proposed a hybrid image cryptographic encryption and digital watermarking technique for the encryption and authentication of digital image content. The image encryption was done on the RGB channels and the spatial watermarking was successfully applied to the RGB-colour bands of the digital image and this rendered the watermark visibly subtle and difficult to detect under regular viewing. The digital watermarking technique was engaged to authenticate the image and detect modifications to the watermarked image. The watermark visibility and detection was difficult to detect and the image was successfully reconstructed without any loss of pixel value after decryption. The programming and implementation was done using MATLAB. Keywords- Cryptography, digital image, Encryption, Watermarking, pixel, authentication
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Pascu, Anca Christine
;
Gire, Sophie
;
Eghan, Jojo M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2015
)
A novel hybrid discrete cosine transformation and visual cryptographic technique for securing digital images
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Pascu, Anca Christine
;
Gire, Sophie
;
Eghan, Jojo M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2015
)
A cryptographic, discrete cosine transform and frequency domain watermarking approach for securing digital images
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Christine, Anca
;
Gire, Pascu Sophie
;
Eghan, Jojo M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2015
)
A new cryptographic encryption algorithm for securing digital images
Quist-Aphetsi, Kester
;
Laurent, Nana
;
Pascu, Anca Christine
;
Gire, Sophie
;
Eghan, Jojo M.
;
Quaynor, Nii Narku
(
University of Cape Coast
,
2014
)
Now showing items 1-10 of 11
1
2
Next Page
Sort Options:
Relevance
Title Asc
Title Desc
Issue Date Asc
Issue Date Desc
Results Per Page:
5
10
20
40
60
80
100
Browse
All of UCC IR
Communities & Collections
By Issue Date
Authors
Titles
Subjects
This Collection
By Issue Date
Authors
Titles
Subjects
My Account
Login
Register
Discover
Author
Laurent, Nana (11)
Quaynor, Nii Narku (11)
Quist-Aphetsi, Kester (11)
Eghan, Jojo M. (10)
Gire, Sophie (10)
Pascu, Anca Christine (10)
Christine, Anca (1)
Eghan, J. M. (1)
Gire, Pascu Sophie (1)
Subject
Cryptography (6)
Watermarking (5)
Digital image (3)
Security (3)
Authentication (2)
Encryption (2)
Image processing (2)
Visual cryptography (2)
AES (1)
Algorithm (1)
... View More
Date Issued
2015 (8)
2014 (3)