NDLI: Majority-Parity-Guided Watermarking for Block-Truncated Images

Content Provider	IEEE Xplore Digital Library
Author	Jing-Ming Guo Yun-Fu Liu
Copyright Year	2009
Abstract	In this paper, a watermarking scheme, called Majority-Parity-Guided Error-Diffused Block Truncation Coding (MPG-EDBTC), is proposed to achieve with high image quality and embedded capacity. The main problem of traditional BTC is its poor quality over configurations of high compression ratio. To overcome such problem, the extreme pixel values are employed to substitute both high and low means. The quantized error is also compensated by adjusting the neighboring pixels. With these strategies, the image quality and processing efficiency are improved. Moreover, the watermark is embedded by evaluating the parity value in a pre-defined Parity-Check Region (PCR). As seen in the experimental results, the proposed scheme can provide good robustness, image quality, and processing efficiency. Finally, the proposed MPG-EDBTC is extended to embed multiple watermarks and achieves excellent image quality, robustness, and capacity as well. Nowadays, most multimedia is stored in compressed format. It is more appropriate to embed information such as watermarks in compressed domain. The proposed method has been proved to solve effectively the inherent problems in traditional BTC, and provide excellent performance in watermark embedding.
Starting Page	197
Ending Page	200
File Size	890882
Page Count	4
File Format	PDF
ISBN	9780769537443
DOI	10.1109/IAS.2009.11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Watermarking Radiofrequency identification Data security Computer crime Privacy RFID tags Jamming Forgery Access control Supply chains digital halftoning Block truncation coding error diffusion digital watermarking
Content Type	Text
Resource Type	Article

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