Study on the Image Scrambling Extent

HUANG Xing, ZHANG Minrui. Study on the Image Scrambling Extent[J]. Geomatics and Information Science of Wuhan University, 2008, 33(5): 465-468.

Citation:

HUANG Xing, ZHANG Minrui. Study on the Image Scrambling Extent[J]. Geomatics and Information Science of Wuhan University, 2008, 33(5): 465-468.

Citation:

HUANG Xing, ZHANG Minrui. Study on the Image Scrambling Extent[J]. Geomatics and Information Science of Wuhan University, 2008, 33(5): 465-468.

Abstract

The problem on scoring the image scrambling extent objectively for still gray-level images is studied,and the image scrambling extent can be expressed by the DSF(distance scrambling factor) and GSF(gray scrambling factor) is proposed.The evaluating equations for image scrambling degree are given and scrambling degrees of some commonly used scrambling methods are computed.Experimental results show that the proposed image scrambling degree can perfectly describe the image scrambling extent.

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