Research Article
A Simple Image Encryption Based on Binary Image Affine Transformation and Zigzag Process
Table 11
Values of the number of pixels’ change rate (NPCR) and unified average changing intensity (UACI) in several nonmedical images.
| File name | Description | Size | Corr (A.B) | NCPR | UACI | MSE | PSNR |
| 4.1.01 | Girl | 256 × 256 | −1.35e−03 | 99.5995 | 33.452 | 0 | | 4.1.02 | Couple | 256 × 256 | −9.35e−04 | 99.6117 | 33.4913 | 0 | | 4.1.03 | Girl | 256 × 256 | −1.38e−03 | 99.6178 | 33.5003 | 0 | | 4.1.04 | Girl | 256 × 256 | 5.57e−04 | 99.6136 | 33.4734 | 0 | | 4.1.05 | House | 256 × 256 | −6.70e−05 | 99.6017 | 33.481 | 0 | | 4.1.06 | Tree | 256 × 256 | −3.04e−03 | 99.6166 | 33.5354 | 0 | | 4.1.07 | Jelly beans | 256 × 256 | 3.16e−03 | 99.614 | 33.4357 | 0 | | 4.1.08 | Jelly beans | 256 × 256 | 2.05e−03 | 99.604 | 33.4272 | 0 | | 4.2.01 | Splash | 512 × 512 | 9.57e−04 | 99.612 | 33.4338 | 0 | | 4.2.02 | Girl (tiffany) | 512 × 512 | 2.78e−03 | 99.6105 | 33.3975 | 0 | | 4.2.03 | Mandrill (a.k.a. Baboon) | 512 × 512 | 1.94e−04 | 99.6063 | 33.4353 | 0 | | 4.2.04 | Girl (lena. or lena) | 512 × 512 | 5.32e−-04 | 99.6254 | 33.4604 | 0 | | 4.2.05 | Airplane (F-16) | 512 × 512 | 1.45e−03 | 99.604 | 33.4426 | 0 | | 4.2.06 | Sailboat on lake | 512 × 512 | 1.39e−04 | 99.609 | 33.4513 | 0 | | 4.2.07 | Peppers | 512 × 512 | −1.55e−03 | 99.6105 | 33.5116 | 0 | | 5.1.09 | Moon surface | 256 × 256 | 2.42e−03 | 99.6166 | 33.434 | 0 | | 5.1.10 | Aerial | 256 × 256 | 2.44e−03 | 99.6262 | 33.4209 | 0 | | 5.1.11 | Airplane | 256 × 256 | 6.09e−04 | 99.6082 | 33.4821 | 0 | | 5.1.12 | Clock | 256 × 256 | 1.58e−03 | 99.5918 | 33.4126 | 0 | | 5.1.13 | Resolution chart | 256 × 256 | −2.49e−03 | 99.6101 | 33.5335 | 0 | | 5.1.14 | Chemical plant | 256 × 256 | 3.96e−03 | 99.6346 | 33.343 | 0 | | 5.2.08 | Couple | 512 × 512 | 8.94e−04 | 99.5956 | 33.4183 | 0 | | 5.2.09 | Aerial | 512 × 512 | 4.95b03 | 99.6113 | 33.3598 | 0 | | 5.2.10 | Stream and bridge | 512 × 512 | −7.71e−04 | 99.6117 | 33.5107 | 0 | | 7.1.01 | Truck | 512 × 512 | 6.92e−04 | 99.6025 | 33.4377 | 0 | | 7.1.02 | Airplane | 512 × 512 | 2.96e−03 | 99.6044 | 33.4076 | 0 | | 7.1.03 | Tank | 512 × 512 | −6.64e−04 | 99.6159 | 33.4696 | 0 | | 7.1.04 | Car and APCs | 512 × 512 | 2.12e−03 | 99.6105 | 33.4304 | 0 | | 7.1.05 | Truck and APCs | 512 × 512 | 7.08e−04 | 99.6254 | 33.4041 | 0 | | 7.1.06 | Truck and APCs | 512 × 512 | −4.98e−04 | 99.5941 | 33.5041 | 0 | | 7.1.07 | Tank | 512 × 512 | 7.41e−04 | 99.6178 | 33.4429 | 0 | | 7.1.08 | APC | 512 × 512 | −1.30e−05 | 99.596 | 33.4592 | 0 | | 7.1.09 | Tank | 512 × 512 | −6.91e−04 | 99.6185 | 33.4967 | 0 | | 7.1.10 | Car and APCs | 512 × 512 | 2.65e−03 | 99.5937 | 33.3973 | 0 | | Boat.512 | Fishing boat | 512 × 512 | 1.10e−03 | 99.633 | 33.4121 | 0 | | Elaine.512 | Girl (elaine) | 512 × 512 | −3.55e−03 | 99.612 | 33.475 | 0 | | House | House | 512 × 512 | 2.72e−04 | 99.6174 | 33.4448 | 0 | | Gray21.512 | 21-level step wedge | 512 × 512 | −4.65e−04 | 99.6159 | 33.446 | 0 | | Numbers.512 | 256-level test pattern | 512 × 512 | 1.07e−03 | 99.6243 | 33.4408 | 0 | | | Azafack | 398 × 512 | 1.97e−04 | 99.6109 | 33.4439 | 0 | | | Guefack | 365 × 486 | 2.72e−03 | 99.5934 | 33.3593 | 0 | |
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