Method and apparatus for generating line-by-line picture signal

Details Method and apparatus for generating line-by-line picture signal Method and apparatus for generating line-by-line picture signal

1975-05-07

1976-08-24

Safourek, Benedict V.

Telegraphy

Systems

Simplex-reversing periodic

178DIG3, H04N 712

Patent

active

039768260

ABSTRACT:
Method and apparatus for generating amplitudes of picture points in a line-by-line picture signal for a display device from subpicture information encoded as coefficients of a Hadamard transform. Amplitudes of the picture points in a line are determined by generating selected elements of a basis vector associated with each coefficient in a Hadamard matrix and, for each element, forming a product of the coefficient and a factor determined according to the value of the element. Each element and the product determined therefrom relate to a picture point. All the products for each picture point are added to give the amplitude for that point.

REFERENCES:
patent: 3504112 (1970-03-01), Gruenberg

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