ASIC for digital color image watermarking

Author

Garimella, Annajirao ; Satyanarayana, M.V.V. ; Murugesh, P.S. ; Niranjan, U.C.

Author_Institution

Manipal Acad. of Higher Educ., India

fYear

2004

fDate

1-4 Aug. 2004

Firstpage

292

Lastpage

296

Abstract

The paper presents the design and implementation of an ASIC for the digital watermarking of color images. An efficient hardware architecture has been developed for invisible watermarking. The RGB color image is transformed to YUV and intensity values of luminance are modified in the spatial domain and transformed back to RGB. Two LSBs of the Y channel are watermarked, one with the. watermark bit and other with its complement, so that watermark detection is blind without the necessity of the original image or watermark. Analysis for the numerical representation of the binary transformation coefficients is also made. This watermarking-engine-on-chip is concept through GDSII solution and is implemented in 1.2 V, 0.13 μm CMOS 6-metal DSM technology with the area of the chip being 545 μm × 525 μm.

Keywords

CMOS digital integrated circuits; application specific integrated circuits; brightness; image coding; image colour analysis; integrated circuit design; watermarking; 0.13 micron; 1.2 V; 525 micron; 545 micron; ASIC; CMOS technology; RGB color space; YUV color space; digital color image watermarking; digital watermarking; luminance intensity values; spatial domain; watermarking-engine-on-chip; Application specific integrated circuits; Authentication; Back; CMOS technology; Color; Cryptography; Hardware; Protection; Very large scale integration; Watermarking;

fLanguage

English

Publisher

ieee

Conference_Titel

Digital Signal Processing Workshop, 2004 and the 3rd IEEE Signal Processing Education Workshop. 2004 IEEE 11th

Print_ISBN

0-7803-8434-2

Type

conf

DOI

10.1109/DSPWS.2004.1437961

Filename

1437961