Coefficient extrapolator for the Haar, Walsh, and Hadamard domai

Details Coefficient extrapolator for the Haar, Walsh, and Hadamard domai Coefficient extrapolator for the Haar, Walsh, and Hadamard domai

1979-08-24

1981-04-07

Smith, Jerry

Boots, shoes, and leggings

358133, 358260, 364723, 364727, G06F 15332, G06F 15353, H04N 712

Patent

active

042610435

ABSTRACT:
In a data compression system utilizing the Haar, Walsh or Hadamard transformation, a machine which operates in the transform domain to obtain approximations to the higher order transform coefficients by means of extrapolation from lower order transform coefficients. The extrapolation of the higher order transform coefficients is approximately equivalent to either a linear or to a quadratic interpolation within the spatial or time domain.

REFERENCES:
patent: 3775602 (1973-11-01), Alexandridis et al.
patent: 3920974 (1975-11-01), Means
patent: 4055756 (1977-10-01), Jolivet et al.
patent: 4189748 (1980-02-01), Reis

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