Fractal geometry method is a new method of image compression coding. 分形几何方法是一种新的图像压缩编码方法。
The second encoding technique assigned a number to each plaintext character and then used these numbers to specify the placement of the Cardan grille on the table. 第二种编码方法是给每个明文字母指定一个号码,用这些号码指定卡丹格板在表上的位置。