Several spatial scrambling methods are then introduced and their scrambling effect is analyzed in terms of a classification of the methods as point-wise, line-wise and region-wise.
还分析了几种经典的位置空间置乱方法，并按“点”、“线”、“面”三个分类讨论了其置乱效果。
Several spatial scrambling methods are then introduced and their scrambling effect is analyzed in terms of a classification of the methods as point-wise, line-wise and region-wise.
还分析了几种经典的位置空间置乱方法，并按“点”、“线”、“面”三个分类讨论了其置乱效果。
应用推荐