1	No compression
2	CCITT RLE (Huffman) compression
3	CCITT FAX 3 compression
4	CCITT FAX 4 compression
5	LZW compression
6	Old style JPEG compression
7	JPEG compression
32766	NeXT RLE compression
32771	CCITT RLEW compression
32773	Packbits compression
32809	Thunderscan compression
32908	Pixar 10-bit LZW compression
32946	ZLIB Deflate compression
34661	JBIG compression