ImageGear for C and C++ on Windows v21.0 - Updated
User Guide / File Formats and Compressions / Compressions / CCITT Group 3 Compression
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    CCITT Group 3 Compression
    In This Topic

    CCITT Group 3 Compression

    Full Name CCITT Group 3
    Compression ID IG_COMPRESSION_CCITT_G3 = 3
    ImageGear Component Core
    Bit Depth 1
    File Formats BTR, EPS, Group 3, IBM IOCA, IBM MO:DCA, IMT, LV, NCR, Adobe PDF, Adobe PS, TIFF, RAW

    Comments:

    This is a 1-D version of the CCITT Group 3 compression scheme. It uses a static table of values to assign codes to run lengths. Frequently occurring run lengths are given smaller codes. (The most frequent are usually black runs of 2 or 4 pixels).

     

     

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