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Multispectral data compression through transform coding and block quantization (1972)

Wintz, P. A. ; Ready, P. J.

In: CASI

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Publication Date: 2019-06-27

Description: Transform coding and block quantization techniques are applied to multispectral aircraft scanner data, and digitized satellite imagery. The multispectral source is defined and an appropriate mathematical model proposed. The Karhunen-Loeve, Fourier, and Hadamard encoders are considered and are compared to the rate distortion function for the equivalent Gaussian source and to the performance of the single sample PCM encoder.

Keywords: COMPUTERS

Type: NASA-CR-130365 , LARS-INFORM-NOTE-050572 , TR-EE-72-2

Format: application/pdf

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