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TELKOMNIKA Telecommunication, Computing, Electronics and Control
JPG, PNG and BMP image compression using discrete cosine transform
This paper proposes image compression using discrete cosine transform
(DCT) for the format of joint photographic expert groups (JPEG) or JPG,
portable network graphic (PNG) and bitmap (BMP). These three extensions
are the most popular types used…
(DCT) for the format of joint photographic expert groups (JPEG) or JPG,
portable network graphic (PNG) and bitmap (BMP). These three extensions
are the most popular types used…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Robust audio watermarking based on transform domain and SVD with compressive sampling framework
The growth of the internet and digital data has resulted forgery, modification and sharing of digital data without property rights. Audio watermarking is one of a solution to protect the copyright of an audio from copyright infringement. This paper…