Alex kwesi Kontoh

Work place: Department of Computer Science and Technology Hohai University, Nanjing-P.R. China



Research Interests: Computer Architecture and Organization, Image Compression, Image Manipulation, Image Processing, Data Structures and Algorithms, Analysis of Algorithms


Alex Kwesi Kontoh is a Research scholar (part-time) Department of Applied Computer Science-Hohai University. He attained his Bachelor of Education (B.ED) degree in Mathematics in the year 2012 at University of Cape Coast and Master of Computer Science and Technology Engineering (M.Sc) at Hohai University. He is currently working as a Project researcher in the private sector and studying Chinese in Hohai University. His research focuses on Indoor localization, image and signal processing.

Author Articles
Implementation of Gray Level Image Transformation Techniques

By Evans Baidoo Alex kwesi Kontoh

DOI:, Pub. Date: 8 May 2018

Gray level transformation is a significant part of image enhancement techniques which deal with images composed of pixels. The outcomes of this process can be either images or a set of representative characteristics. It effects is simple but complicated in its implementation. Recently much work is completed in the field of images enhancement with varying observable techniques. This paper describes how to enhance an image using different gray level techniques and a demonstration of its implementation. PPI Analyzer, a kind of software created to implement the various techniques is based on explosive phenomenon of MATLAB. The implemented program with interactive interface to allow for relaxed modification, presented encouraging results.

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