A Novel Cryptographic Encryption Technique for Securing Digital Images in the Cloud Using AES and RGB Pixel Displacement. - Quist-Aphetsi Kester; Laurent Nana; Anca Christine Pascu (EMS, 2013)

A New Encryption Cipher for Securing Digital Images of Video Surveillance Devices Using Diffie-Hellman-MD5 Algorithm and RGB Pixel Shuffling. - Quist-Aphetsi Kester; Laurent Nana; Anca Christine Pascu; Sophie Gire (EMS, 2013)

A cryptographic image encryption technique for facial-blurring of images. - Quist-Aphetsi Kester (CoRR, 2013)

A Hybrid Cryptosystem Based On Vigenere Cipher and Columnar Transposition Cipher. - Quist-Aphetsi Kester (CoRR, 2013)

Computer Aided Investigation: Visualization and Analysis of data from Mobile communication devices using Formal Concept Analysis. - Quist-Aphetsi Kester (CoRR, 2013)

The Role of Rural Banks in Providing Mobile Money Services to Rural Poor Communities: An effective integration approach of Rural Banks and existing mobile communications infrastructure. - Quist-Aphetsi Kester (CoRR, 2013)

Using SOA with Web Services for effective Integration of Hospital Information Systems via an Enterprise Service Bus. - Quist-Aphetsi Kester (CoRR, 2013)

A Visual Cryptographic Encryption Technique for Securing Medical Images. - Quist-Aphetsi Kester (CoRR, 2013)

Visualization and Analysis of Geographical Crime Patterns Using Formal Concept Analysis. - Quist-Aphetsi Kester (CoRR, 2013)

Criminal Geographical Profiling: Using FCA for Visualization and Analysis of Crime Data. - Quist-Aphetsi Kester (CoRR, 2013)

Using SOA with Web Services for effective data integration of Enterprise Pharmaceutical Information Systems. - Quist-Aphetsi Kester; Ajibade Ibrahim Kayode (CoRR, 2013)

An Integrated Geographic Information System and Marketing Information System Model. - Quist-Aphetsi Kester; Koumadi; Koudjo M; Nii Narku Quaynor (CoRR, 2013)

A Hybrid Encryption Technique for Securing Biometric Image Data Based on Feistel Network and RGB Pixel Displacement. - Quist-Aphetsi Kester; Laurent Nana; Anca Christine Pascu; Sophie Gire; Jojo Moses Eghan; Nii Narku Quaynor (SNDS, 2014)

A Security Technique for Authentication and Security of Medical Images in Health Information Systems. - Quist-Aphetsi Kester; Laurent Nana; Anca Christine Pascu; Sophie Gire; Jojo Moses Eghan; Nii Narku Quaynor (ICCSA (Short Papers/poster papers/PhD student showcase works), 2015)

Feature Based Encryption Technique for Securing Digital Image Data Based on FCA-Image Attributes and Visual Cryptography. - Quist-Aphetsi Kester; Anca Christine Pascu; Laurent Nana; Sophie Gire; Jojo Moses Eghan; Nii Narku Quaynor (ICCSA (4), 2015)

A Fast Discrete Cosine Transform and a Cryptographic Technique for Authentication and Security of Digital Images. - Quist-Aphetsi Kester; Laurent Nana; Anca Christine Pascu; Sophie Gire; Jojo Moses Eghan; Nii Narku Quaynor (SSCC, 2015)

A Hybrid Cryptographic and Steganographic Security Approach for Identity Management and Security of Digital Images. - Quist-Aphetsi Kester; Laurent Nana; Anca Christine Pascu; Sophie Gire; Jojo Moses Eghan; Nii Narku Quaynor (SSCC, 2015)

A Hybrid Image Cryptographic and Spatial Digital Watermarking Encryption Technique for Security and Authentication of Digital Images. - Quist-Aphetsi Kester; Laurent Nana; Anca Christine Pascu; Sophie Gire; Jojo Moses Eghan; Nii Narku Quaynor (UKSim, 2015)

A Novel Hybrid Discrete Cosine Transformation and Visual Cryptographic Technique for Securing Digital Images. - Quist-Aphetsi Kester; Laurent Nana; Anca Christine Pascu; Sophie Gire; Jojo Moses Eghan; Nii Narku Quaynor (UKSim, 2015)

An Integrated RoIP Communication Network for Effective Collaboration During Emergency and Disaster Management. - Quist-Aphetsi Kester (AFRICOMM, 2016)

Spatial Cryptographic and Watermarking Technique for Authentication and Security of Medical Images in a Cloud Based Health Information Systems. - Quist-Aphetsi Kester (AFRICOMM, 2016)

A Hybrid Lossy Compression Using 2-D Discrete Cosine Transform and Visual Cryptographic Technique for Security of Multimedia Image Data Communications in Internet of Things. - Quist-Aphetsi Kester (AFRICOMM, 2016)

Using Formal Concepts Analysis Techniques in Mining Data from Criminal Databases and Profiling Events Based on Factors to Understand Criminal Environments. - Quist-Aphetsi Kester (ICCSA (5), 2016)

Towards a Secure Communication of Data in IoT Networks: A Technical Research Report. - Bismark Tei Asare; Kester Quist-Aphetsi; Laurent Nana (ICA3PP (3), 2020)