Title :
A Watermark Scheme for Presswork
Author :
Huang, Yupeng ; Pan, Wei
Author_Institution :
Sch. of Inf. Sci. & Technol., Xiamen Univ., Xiamen
Abstract :
A print-scan resilient digital watermark scheme for presswork is designed and implemented in this article. By employing Hadamard transform to embed and decode watermark, we achieve better performance than others who use FFT or DCT in speed and watermark accuracy.
Keywords :
Hadamard transforms; decoding; image coding; watermarking; DCT; FFT; Hadamard transform; decoding; presswork; print-scan resilient digital watermark scheme; Costs; Decoding; Discrete Fourier transforms; Discrete cosine transforms; Discrete wavelet transforms; Fast Fourier transforms; Information science; Laboratories; Packaging machines; Watermarking; Hadamard transform; print-scan resilient; watermark;
Conference_Titel :
Anti-counterfeiting, Security, Identification, 2007 IEEE International Workshop on
Conference_Location :
Xiamen, Fujian
Print_ISBN :
1-4244-1035-5
Electronic_ISBN :
1-4244-1035-5
DOI :
10.1109/IWASID.2007.373712
