Further progress in watermark evaluation testbed (WET)

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Author

Hyung C. Kim and Eugene T. Lin and Oriol Guitart and Edward J. Delp III

Entry type

conference

Abstract

While Digital Watermarking has received much attention in recentyears, it is still a relatively young technology. There are fewaccepted tools/metrics that can be used to evaluate the suitabilityof a watermarking technique for a specific application. This lack ofa universally adopted set of metrics/methods has motivated us todevelop a web-based digital watermark evaluation system called theWatermark Evaluation Testbed or WET. There have beenmore improvements over the first version of WET. Weimplemented batch mode with a queue that allows for user submittedjobs. In addition to StirMark 3.1 as an attack module, we addedattack modules based on StirMark 4.0. For a new image fidelitymeasure, we evaluate conditional entropy as an image fidelitymeasure for different watermarking algorithms and different attacks.Also, we show the results of curve fitting the Receiver OperatingCharacteristic (ROC) analysis data using the Parzen window densityestimation. The curve fits the data closely while having only twoparameters to estimate.

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Date

2005

Editor

Edward J. Delp III and Ping W. Wong

Journal

Security, Steganography, and Watermarking of Multimedia Contents VII

Key alpha

kim:241

Number

Pages

241-251

Publisher

SPIE

Volume

5681

Affiliation

Purdue University

Publication Date

2005-01-01

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@Conference{ kim:241,
	title = "Further progress in watermark evaluation testbed (WET)",
	author = "Hyung C. Kim and Eugene T. Lin and Oriol Guitart and Edward J. Delp III",
	year = "2005",
	editor = "Edward J. Delp III and Ping W. Wong",
	journal = "Security, Steganography, and Watermarking of Multimedia Contents VII",
	number = "1",
	pages = "241-251",
	publisher = "SPIE",
	volume = "5681",
	abstract = "While Digital Watermarking has received much attention in recentyears, it is still a relatively young technology. There are fewaccepted tools/metrics that can be used to evaluate the suitabilityof a watermarking technique for a specific application. This lack ofa universally adopted set of metrics/methods has motivated us todevelop a web-based digital watermark evaluation system called theWatermark Evaluation Testbed or WET. There have beenmore improvements over the first version of WET. Weimplemented batch mode with a queue that allows for user submittedjobs. In addition to StirMark 3.1 as an attack module, we addedattack modules based on StirMark 4.0. For a new image fidelitymeasure, we evaluate conditional entropy as an image fidelitymeasure for different watermarking algorithms and different attacks.Also, we show the results of curve fitting the Receiver OperatingCharacteristic (ROC) analysis data using the Parzen window densityestimation. The curve fits the data closely while having only twoparameters to estimate.",
	affiliation = "Purdue University",
}