System for decoding and displaying encoded television pictures
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United States of America Patent
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-
Jan 28, 1986
Issued Date -
N/A
app pub date -
Jun 27, 1985
filing date -
Dec 23, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An error protection code which acts on subpictures for the transmission of television picture information. First the picture is subpicture-wise transformed (124) by means of transformation functions, for example, Hadamard functions. Of the coefficients thus formed, a number of most significant coefficient bits which are associated with low frequency transformation functions are protected against a bit error (126). Moreover, a comparatively small number of coefficient bits within said number are protected against an additional bit error.
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Family
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Cited Art Landscape
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