Articles by Ratna Astuti Nugrahaeni (3)

Analysis of JPEG Image Steganography using Least Significant Bit Method

Jordy Ardian Bagaskara, Tito Waluyo Purboyo and Ratna Astuti Nugrahaeni

Journal of Engineering and Applied Sciences 14 ( 14 ): 4849 - 4852 , 2019

A Comparison of Steganography in the GIF Image using LSB and Spread Spectrum Method

Andika Amirulhaqi, Tito Waluyo Purboyo and Ratna Astuti Nugrahaeni

Journal of Engineering and Applied Sciences 15 ( 1 ): 247 - 251 , 2020

Implementation of Steganography in BMP Format Images Files using Spread Spectrum Method

Andrew Ivander, Tito Waluyo Purboyo and Ratna Astuti Nugrahaeni

Journal of Engineering and Applied Sciences 15 ( 16 ): 3042 - 3047 , 2020

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