Security and Communication Networks / 2019 / Article / Tab 4

Research Article

A QR Code Secret Hiding Scheme against Contrast Analysis Attack for the Internet of Things

Table 4

Comparison of related QR code schemes.

Methods[6, 19][7, 8][9, 11, 12][10][14, 16]Proposed

ApplicationsImage hidingImage hidingWatermarkingWatermarkingSecret hidingSecret hiding

Embedding domainFrequencySpatialFrequencySpatialSpatialSpatial

Computational complexityHighLowHighLowLowLow

Module-basedNoNoNoNoYesYes

Robustness of secretHighLowHighHighHighHigh

Against contrast analysis attack----NoTes

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