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2002
133views more  TIP 2002»
13 years 11 months ago
Wavelet-based rotational invariant roughness features for texture classification and segmentation
In this paper, we introduce a rotational invariant feature set for texture segmentation and classification, based on an extension of fractal dimension (FD) features. The FD extract...
Dimitrios Charalampidis, Takis Kasparis
TIP
2002
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13 years 11 months ago
Gradient match and side match fractal vector quantizers for images
In this paper we propose the gradient match fractal vector quantizers (GMFVQs) and the side match fractal vector quantizers (SMFVQs), which are two classes of finite state fractal...
Hsuan T. Chang
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2002
102views more  TIP 2002»
13 years 11 months ago
Hierarchical watermarking for secure image authentication with localization
Several fragile watermarking schemes presented in the literature are either vulnerable to vector quantization (VQ) counterfeiting attacks or sacrifice localization accuracy to impr...
Mehmet Utku Celik, Gaurav Sharma, Eli Saber, A. Mu...
TIP
2002
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13 years 11 months ago
Fractal image compression with region-based functionality
Region-based functionality offered by the MPEG-4 video compression standard is also appealing for still images, for example to permit object-based queries of a still-image database...
Kamel Belloulata, Janusz Konrad