2015 IEEE 39th Annual Computer Software and Applications Conference 2015
DOI: 10.1109/compsac.2015.194
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Optimizing PSNR for Image Watermarking Using Summation Quantization on DWT Coefficients

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“…Untuk mengukur imperceptibility citra terwatermarked digunakan Peak Signal to Noise Ratio (PSNR), untuk mendapatkan nilai PSNR diperlukan perhitungan Mean Sequared Error (MSE) [13], [17]- [19], berikut persamaan untuk MSE dan PSNR seperti pada persamaan (1) hingga persamaan (4). Dimana f 0 = citra terwatermark, f i = citra penampung, A 0 = citra watermark dan A i = citra watermark hasil ekstraksi.…”
Section: Pengukuran Kualitas Citraunclassified
“…Untuk mengukur imperceptibility citra terwatermarked digunakan Peak Signal to Noise Ratio (PSNR), untuk mendapatkan nilai PSNR diperlukan perhitungan Mean Sequared Error (MSE) [13], [17]- [19], berikut persamaan untuk MSE dan PSNR seperti pada persamaan (1) hingga persamaan (4). Dimana f 0 = citra terwatermark, f i = citra penampung, A 0 = citra watermark dan A i = citra watermark hasil ekstraksi.…”
Section: Pengukuran Kualitas Citraunclassified