Research Article

Performance of the 2D Coupled Map Lattice Model and Its Application in Image Encryption

Table 2

Histogram uniformity assessment based on the chi-square test.

ImageHistogram of the encrypted Lena imageHistogram of the encrypted Chocolate image
RGBRGB

values0.22460.65770.20690.90050.79190.5449
Decision (H = 0 or 1)0; accepted0; accepted0; accepted0; accepted0; accepted0; accepted