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研究文章

一个安全、高效的基于两个混沌映射的图像传输方案

表3

2 dcs-etc PSNR (dB)和SIT-SS在不同的采样率。
图像 计划 采样率
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
丽娜 2 dcs-etc 25.1608 30.7238 33.7894 36.3407 38.5169 39.0429 40.3088 41.1759 41.7017
SIT-SS 25.5232 30.6675 33.7680 36.3926 38.6439 40.4935 42.6165 44.9562 47.9543
芭芭拉 2 dcs-etc 22.0135 25.8589 28.8967 31.7166 34.2147 35.6315 37.3399 39.0916 40.2334
SIT-SS 22.1990 25.8260 28.8175 31.6593 34.1841 36.4853 38.8797 41.5256 45.0071
船 2 dcs-etc 24.6290 29.7913 32.8112 35.3011 37.4047 38.0778 39.1809 40.3438 41.5691
SIT-SS 24.1095 29.6903 32.8657 35.3405 37.4213 39.3371 41.3561 43.5876 46.6325
摄影师 2 dcs-etc 22.3125 28.7665 31.8389 34.2630 36.4953 36.9751 38.2231 39.0237 39.7931
SIT-SS 21.8324 28.7046 31.8201 34.2575 36.4449 38.6534 40.9500 43.3287 46.3889
工头 2 dcs-etc 29.5930 35.8537 38.1558 38.5413 39.4111 39.8570 40.2641 40.3616 40.6835
SIT-SS 29.7572 35.7866 38.1025 39.8524 41.4978 42.9477 44.5395 46.3175 48.4910
房子 2 dcs-etc 28.9899 34.1209 36.0911 37.5883 38.9428 39.1408 40.0489 41.1202 42.1401
SIT-SS 28.3764 34.1188 36.1386 37.5654 38.9717 40.3546 42.0492 44.1757 47.0669
君主 2 dcs-etc 22.3624 29.0054 32.5729 35.6175 37.9890 38.1359 39.3164 40.0515 40.9473
SIT-SS 22.0071 28.8123 32.6323 35.3864 37.8005 39.9611 42.1377 44.5657 47.4934
鹦鹉 2 dcs-etc 25.9860 33.0968 35.7941 37.8344 38.0873 39.1139 39.7870 40.3589 40.6380
SIT-SS 25.7881 32.9618 35.6443 37.7954 39.5943 41.2956 43.0655 45.0295 47.6101
每个大胆值意味着其中一个比另一个方案相比具有更高的PSNR值。