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TELKOMNIKA Telecommunication, Computing, Electronics and Control
A proposed model for text and image encryption using different techniques
Data security and protection is one of the most common technologies used in the field of computer science. This is because of its great importance in all fields related to daily life, whether political, economic, and other aspects change. In this…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Image denosing in underwater acoustic noise using discrete wavelet transform with different noise level estimation
In many applications, Image de-noising and improvement represent essential processes in presence of colored noise such that in underwater. Power spectral density of the noise is changeable within a definite frequency range, and autocorrelation noise…