Planar random polyline mapping in unit area and chaos analysis of its cross-iteration
单位平面区域上随机折线映射及其交叉迭代的混沌分析*

In order to generate better chaotic sequences,which was used in image encryption,this paper researched the chaotic characters of polyline in the unit area,found that the continuous polyline in the plane could be put into a unit area through the translation,scaling and other operations.The continuous polylines' full mappings in the unit area were Li-Yorke chaotic,when certain conditions were met,these mappings were also Devaney chaotic.The experimental results and theoretical analysis show that those chaotic...