G - Physics – 09 – G
Patent
G - Physics
09
G
375/12
G09G 1/28 (2006.01) H04N 1/62 (2006.01) H04N 1/64 (2006.01)
Patent
CA 1241466
ABSTRACT OF THE DISCLOSURE Apparatus for processing color graphics data converts an analog video information signal to a digital signal and stores one frame of the digital video signal corresponding to a desired still picture for display on a video monitor/receiver upon being read out from the storage element. The still picture read out from the storage element is also fed to a microcomputer in which a color picture corresponding to the displayed still picture is stored in a memory so that it may be displayed on the monitor and visually compared with the original picture. The data processing apparatus specifies a portion of the displayed picture and the appearance frequencies of respective colors relative to a plurality of picture elements contained within that specified portion are counted. These appearance frequencies are used to generate a limited number of colors in a color palette unit. When defining the colors of the color palette the data in the microcomputer memory is converted to a computer graphics bit length and read out through the color palette for display on the monitor. Also, the specified area can be moved on the picture and the appearance frequencies for each of the colors in each area are accumulated, so that the accumulated appearance frequencies can be used to specify the color palette colors.
496262
Hoshino Masaaki
Kawakami Itaru
Gowling Lafleur Henderson Llp
Sony Corporation
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