JPEG定义的标记

Symbol (符号)	Code Assignment (标记代码)	Description (说明)
Start Of Frame markers, non-hierarchical Huffman coding
SOF0	0xFFC0	Baseline DCT
SOF1	0xFFC1	Extended sequential DCT
SOF2	0xFFC2	Progressive DCT
SOF3	0xFFC3	Spatial (sequential) lossless
Start Of Frame markers, hierarchical Huffman coding
SOF5	0xFFC5	Differential sequential DCT
SOF6	0xFFC6	Differential progressive DCT
SOF7	0xFFC7	Differential spatial lossless
Start Of Frame markers, non-hierarchical arithmetic coding
JPG	0xFFC8	Reserved for JPEG extensions
SOF9	0xFFC9	Extended sequential DCT
SOF10	0xFFCA	Progressive DCT
SOF11	0xFFCB	Spatial (sequential) Lossless
Start Of Frame markers, hierarchical arithmetic coding
SOF13	0xFFCD	Differential sequential DCT
SOF14	0xFFCE	Differential progressive DCT
SOF15	0xFFCF	Differential spatial Lossless
Huffman table specification
DHT	0xFFC4	Define Huffman table(s)
arithmetic coding conditioning specification
DAC	0xFFCC	Define arithmetic conditioning table
Restart interval termination
RSTm	0xFFD0～0xFFD7	Restart with modulo 8 counter m
Other marker
SOI	0xFFD8	Start of image
EOI	0xFFD9	End of image
SOS	0xFFDA	Start of scan
DQT	0xFFDB	Define quantization table(s)
DNL	0xFFDC	Define number of lines
DRI	0xFFDD	Define restart interval
DHP	0xFFDE	Define hierarchical progression
EXP	0xFFDF	Expand reference image(s)
APPn	0xFFE0～0xFFEF	Reserved for application use
JPGn	0xFFF0～0xFFFD	Reserved for JPEG extension
COM	0xFFFE	Comment
Reserved markers
TEM	0xFF01	For temporary use in arithmetic coding