160 search results - page 13 / 32 » Image resizing in the discrete cosine transform domain |
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BIOID
2008
14 years 11 months ago
2008
Abstract. Gabor filters have demonstrated their effectiveness in automatic face recognition. However, one drawback of Gabor-based face representations is the huge amount of data th...
TCSV
2002
14 years 9 months ago
2002
A novel frequency-domain technique for image blocking artifact detection and reduction is presented in this paper. The algorithm first detects the regions of the image which presen...
GECCO
2005
Springer
15 years 3 months ago
2005
Springer
We propose an evolutionary algorithm for the enhancement of digital semi-fragile watermaking based on the manipulation of the image discrete cosine transform (DCT). The algorithm ...
ICC
1997
IEEE
15 years 1 months ago
1997
IEEE
— This letter considers a combined source-channel coding scheme for image transmission over the uplink of a wireless IS-95 code division multiple access (CDMA) channel using disc...
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ISCAS
2003
IEEE
15 years 2 months ago
2003
IEEE
In this paper, a robust and efficient digital image watermarking algorithm using the fast Hadamard transform (FHT) is proposed for the copyright protection of digital images. This...