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Abstract

A method for transmitting fractal transform parameters generated by a variety of compressors using different fractal transform parameters is disclosed. The method includes generating an universal header having image reference data, color space data, fractal transform region reference data, and file decoding data and generating a fractal transform data segment having fractal transform parameters for domains and ranges used by a compressor to generate fractal transform parameters. The image reference data includes image dimensions expressed in physical size units so that the regeneration of the image at a decompressor is resolution independent. The color space parameters include identification of the original image color space and may include identification of a color space into which the original image is converted. The fractal transform region reference data includes dimensional information regarding panels, domains, and ranges used by the compressor and such data is expressed in physical size units to further support the resolution independence of the image regeneration. The method preferably includes the step of generating an optional header which identifies frequently used spatial matrix coefficients, scaling factors, and gradient matrix coefficients. The fractal transform parameters associated with each of the domains in the fractal transform data segment include indices which correlate a domain to spatial matrix coefficients, a scaling factor, or gradient matrix coefficients in the optional header. In this way, the transmission method efficiently provides frequently used spatial matrices, scaling factors, and gradient matrices to a decompressor so the decompressor can correlate these frequently used forms to domains during regeneration.

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First Claim