Effective evaluation method of image scrambling degree

doi:10.3778/j.issn.1002-8331.2009.30.060

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (30): 200-203.DOI: 10.3778/j.issn.1002-8331.2009.30.060

• 图形、图像、模式识别 • Previous Articles Next Articles

Effective evaluation method of image scrambling degree

HUANG Jian，BAI Sen

Image Communication Laboratory，Chongqing Communication Institute，Chongqing 400035，China

Received:2008-11-17 Revised:2009-03-09 Online:2009-10-21 Published:2009-10-21
Contact: HUANG Jian

一种有效的图像置乱程度衡量方法

黄健，柏森

重庆通信学院图像通信实验室，重庆 400035

通讯作者: 黄健

Abstract

Abstract: As the developing of the image scrambling technique，how to evaluate the advantage and disadvantage of scrambling transformation is the hot and difficult issue of research.In order to evaluate the image scrambling degree effectively，the paper gives difinition of the continuity extent.And a new evaluation method of image scrambling degree based on the number of the continuity extent changes when the positon of the pixel changes is provided．The simulation result shows that the method can measure the impact of the every image scrambling phase.

Key words: image scrambling degree, continuity extent, evaluation method

摘要： 随着数字图像置乱技术的发展，如何衡量一种置乱技术的好坏，是研究的热点和难点。为了对其进行有效地衡量，给出了图像连续性区域的定义，并根据置乱前后数字图像连续性区域数量随像素点位置的变化而改变这一原理，提出了一种有效的图像置乱程度衡量方法，实验表明，该方法能够清楚地反应图像在各个置乱阶段的置乱效果。

关键词: 置乱程度, 连续性区域, 衡量方法

CLC Number:

TP391

HUANG Jian，BAI Sen. Effective evaluation method of image scrambling degree[J]. Computer Engineering and Applications, 2009, 45(30): 200-203.

黄健，柏森. 一种有效的图像置乱程度衡量方法[J]. 计算机工程与应用, 2009, 45(30): 200-203.

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Effective evaluation method of image scrambling degree

一种有效的图像置乱程度衡量方法

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