ImageGear Professional v18 for Mac
CCITT Group 3
| ImageGear Professional v18.1 > User Guide > File Format Reference > ImageGear Supported Compressions Reference > CCITT Group 3 |
| 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, TIFF, RAW |
| ImageGear Platforms Support | WIN32, WIN64, Unix, Unix64, .NET, .NET64, MAC |
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).