HP Scanjet 6200c HP Scanjet 6200C Scanner PrecisionScan Pro - (English) User G - Page 88
Examples of changing color channels, Black &, White Bitmap raster, Black & White, Threshold
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Examples of changing color channels Images of a color drawing changed to the Black & White Bitmap (raster) output type are shown with different color channels and black and white threshold settings applied in the Black & White Threshold tool. Original with True Color output type Black & White Bitmap (raster) output type applied with NTSC Gray color channel and automatic threshold (110) Red color channel and automatic threshold (110) Green color channel and automatic threshold (110) Blue color channel and automatic threshold (110) Blue color channel and higher threshold (173) TIP The NTSC Gray channel in the Scan using channel list box of the Black & White Threshold tool converts color to gray at a ratio of 30% red, 59% green, and 11% blue. È 4 Adjusting images of pictures Book Contents Index È HP PrecisionScan Pro User's Guide 88
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