《信息理论与编码》课程教学资源（拓展资料）JPEG标准的Huffman码表

ISO/IEC10918-1:1993(E)K.3.1Typical Huffman tablesfortheDCcoefficient differencesTables K.3 and K.4 give Huffiman tables for the DC coefficient differences which have been developed from the averagestatistics ofa large set ofvideo images with 8-bit precision.Table K.3 is appropriate for luminance components and TableK.4 is appropriate for chrominance components. Although there are no default tables, these tables may prove to be usefulfor many applications.TableK.3-TableforluminanceDC coefficientdifferencesCategoryCode lengthCode word0200130102301133100341015311064111075111108611111097111111010811111110119111111110TableK.4-Tableforchrominance DCcoefficient differencesCode lengthCode wordCategory020021012210m31104411105511110661111107711111108811111110991111111010101111111110111111111111110K.3.2TypicalHuffmantablesfortheACcoefficientsTables K.5 and K.6 give Huffman tables for the AC coefficients which have been developed from the average statistics ofa large set of images with 8-bit precision.TableK.5 is appropriatefor luminance components andTableK.6 is appropriatefor chrominance components. Although there are no default tables, these tables may prove to be useful for manyapplications.149CCITT Rec. T.81 (1992 E)

ISO/IEC 10918-1 : 1993(E) K.3.1 Typical Huffman tables for the DC coefficient differences Tables K.3 and K.4 give Huffman tables for the DC coefficient differences which have been developed from the average statistics of a large set of video images with 8-bit precision. Table K.3 is appropriate for luminance components and Table K.4 is appropriate for chrominance components. Although there are no default tables, these tables may prove to be useful for many applications. Table K.3 – Table for luminance DC coefficient differences Category Code length Code word 10 2 000 11 3 010 12 3 011 13 3 100 14 3 101 15 3 110 16 4 1110 17 5 11110 18 6 111110 19 7 1111110 10 8 11111110 11 9 111111110 Table K.4 – Table for chrominance DC coefficient differences Category Code length Code word 10 12 000 11 12 01 12 12 10 13 13 110 14 14 1110 15 15 11110 16 16 111110 17 17 1111110 18 18 11111110 19 19 111111110 10 10 1111111110 11 11 11111111110 K.3.2 Typical Huffman tables for the AC coefficients Tables K.5 and K.6 give Huffman tables for the AC coefficients which have been developed from the average statistics of a large set of images with 8-bit precision. Table K.5 is appropriate for luminance components and Table K.6 is appropriate for chrominance components. Although there are no default tables, these tables may prove to be useful for many applications. CCITT Rec. T.81 (1992 E) 149

ISO/IEC10918-1:1993(E)Table K.5-Table for luminance AC coefficients (sheet 1 of 4)Run/SizeCode lengthCode word40/0 (EOB)101020/10020/20130/31000/4.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 Rec. T.81 (1992 E)

ISO/IEC 10918-1 : 1993(E) Table K.5 – Table for luminance AC coefficients (sheet 1 of 4) Run/Size Code length Code word 0/0 (EOB) 14 1010 0/1 12 00 0/2 12 01 0/3 13 100 0/4 14 1011 0/5 15 11010 0/6 17 1111000 0/7 18 11111000 0/8 10 1111110110 0/9 16 1111111110000010 0/A 16 1111111110000011 1/1 14 1100 1/2 15 11011 1/3 17 1111001 1/4 19 111110110 1/5 11 11111110110 1/6 16 1111111110000100 1/7 16 1111111110000101 1/8 16 1111111110000110 1/9 16 1111111110000111 1/A 16 1111111110001000 2/1 15 11100 2/2 18 11111001 2/3 10 1111110111 2/4 12 111111110100 2/5 16 1111111110001001 2/6 16 1111111110001010 2/7 16 1111111110001011 2/8 16 1111111110001100 2/9 16 1111111110001101 2/A 16 1111111110001110 3/1 16 111010 3/2 19 111110111 3/3 12 111111110101 3/4 16 1111111110001111 3/5 16 1111111110010000 3/6 16 1111111110010001 3/7 16 1111111110010010 3/8 16 1111111110010011 3/9 16 1111111110010100 3/A 16 1111111110010101 150 CCITT Rec. T.81 (1992 E)

ISO/IEC10918-1:1993(E)Table K.5 (sheet 2 of 4)Run/SizeCodewordCode length64/11110114/2101111111000.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 Rec. T.81 (1992 E)

ISO/IEC 10918-1 : 1993(E) Table K.5 (sheet 2 of 4) Run/Size Code length Code word 4/1 16 111011 4/2 10 1111111000 4/3 16 1111111110010110 4/4 16 1111111110010111 4/5 16 1111111110011000 4/6 16 1111111110011001 4/7 16 1111111110011010 4/8 16 1111111110011011 4/9 16 1111111110011100 4/A 16 1111111110011101 5/1 17 1111010 5/2 11 11111110111 5/3 16 1111111110011110 5/4 16 1111111110011111 5/5 16 1111111110100000 5/6 16 1111111110100001 5/7 16 1111111110100010 5/8 16 1111111110100011 5/9 16 1111111110100100 5/A 16 1111111110100101 6/1 17 1111011 6/2 12 111111110110 6/3 16 1111111110100110 6/4 16 1111111110100111 6/5 16 1111111110101000 6/6 16 1111111110101001 6/7 16 1111111110101010 6/8 16 1111111110101011 6/9 16 1111111110101100 6/A 16 1111111110101101 7/1 18 11111010 7/2 12 111111110111 7/3 16 1111111110101110 7/4 16 1111111110101111 7/5 16 1111111110110000 7/6 16 1111111110110001 7/7 16 1111111110110010 7/8 16 1111111110110011 7/9 16 1111111110110100 7/A 16 1111111110110101 8/1 19 111111000 8/2 15 111111111000000 CCITT Rec. T.81 (1992 E) 151

ISO/IEC10918-1:1993(E)Table K.5 (sheet 3 of 4)Run/SizeCode lengthCode word8/3161111101101108/4161111111110110111-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 Rec. T.81 (1992 E)

ISO/IEC 10918-1 : 1993(E) Table K.5 (sheet 3 of 4) Run/Size Code length Code word 8/3 16 1111111110110110 8/4 16 1111111110110111 8/5 16 1111111110111000 8/6 16 1111111110111001 8/7 16 1111111110111010 8/8 16 1111111110111011 8/9 16 1111111110111100 8/A 16 1111111110111101 9/1 19 111111001 9/2 16 1111111110111110 9/3 16 1111111110111111 9/4 16 1111111111000000 9/5 16 1111111111000001 9/6 16 1111111111000010 9/7 16 1111111111000011 9/8 16 1111111111000100 9/9 16 1111111111000101 9/A 16 1111111111000110 A/1 19 111111010 A/2 16 1111111111000111 A/3 16 1111111111001000 A/4 16 1111111111001001 A/5 16 1111111111001010 A/6 16 1111111111001011 A/7 16 1111111111001100 A/8 16 1111111111001101 A/9 16 1111111111001110 A/A 16 1111111111001111 B/1 10 1111111001 B/2 16 1111111111010000 B/3 16 1111111111010001 B/4 16 1111111111010010 B/5 16 1111111111010011 B/6 16 1111111111010100 B/7 16 1111111111010101 B/8 16 1111111111010110 B/9 16 1111111111010111 B/A 16 1111111111011000 C/1 10 1111111010 C/2 16 1111111111011001 C/3 16 1111111111011010 C/4 16 1111111111011011 152 CCITT Rec. T.81 (1992 E)

ISO/IEC10918-1:1993(E)Table K.5 (sheet 4 of4)Run/SizeCode lengthCodewordC/516111111111011100C/616110101c71611111011110C/81610C/91611111111110000016CIA111111111100001D/11111111111000D/2161111111111100010D/31611111111110001116D/41111111111100100D/5161111111111100101D/616000D/71600D/8161111111111101000D/9160T0D/A161111111101010E/116111111111101011E/2161111111111101100E/31610101E/4161111111101110E/516016E/610000E1611111111110001E/8161111111110010E/9161001EIA1611111111111010011F/0(ZRL)11111111001F/1161111111110101F/216OOF/316F/4161111111111000F/516OOF/6161010Fn161111111111011F/816111111111111100F/916OFIA16111110153CCITT Rec. T.81 (1992 E)

ISO/IEC 10918-1 : 1993(E) Table K.5 (sheet 4 of 4) Run/Size Code length Code word C/5 16 1111111111011100 C/6 16 1111111111011101 C/7 16 1111111111011110 C/8 16 1111111111011111 C/9 16 1111111111100000 C/A 16 1111111111100001 D/1 11 11111111000 D/2 16 1111111111100010 D/3 16 1111111111100011 D/4 16 1111111111100100 D/5 16 1111111111100101 D/6 16 1111111111100110 D/7 16 1111111111100111 D/8 16 1111111111101000 D/9 16 1111111111101001 D/A 16 1111111111101010 E/1 16 1111111111101011 E/2 16 1111111111101100 E/3 16 1111111111101101 E/4 16 1111111111101110 E/5 16 1111111111101111 E/6 16 1111111111110000 E/7 16 1111111111110001 E/8 16 1111111111110010 E/9 16 1111111111110011 E/A 16 1111111111110100 F/0 (ZRL) 11 11111111001 F/1 16 1111111111110101 F/2 16 1111111111110110 F/3 16 1111111111110111 F/4 16 1111111111111000 F/5 16 1111111111111001 F/6 16 1111111111111010 F/7 16 1111111111111011 F/8 16 1111111111111100 F/9 16 1111111111111101 F/A 16 1111111111111110 CCITT Rec. T.81 (1992 E) 153

ISO/IEC10918-1:1993(E)Table K.6-Table for chrominance AC coefficients (sheet1 of 4)Run/SizeCodewordCode length2000/0 (EOB)20/10130/21000/34101050/4110000/55110010/6611100070/711110000/89111110100100/9111111011012O/A1111111101001/1410111/2611100181/31111011091/41111101011/51111111110110121/611111110101161/711111111100010001/81611111111100010011/91611111111100010101/A1611111111000101152/1110102/2811110111102/3 1111110111122/41111111101102/5151111111110000102/6161100011002/71611111111100011012/81611111111100011102/91611110001112/A16111111111001000053/11101183/2111110003/31011111110003/4121111111101113/51611111111100100013/61611111111100100103/71611111100100113/81611111111100101003/91611111111100101013/A1611111111100101104/16111010154CCITT Rec. T.81 (1992 E)

ISO/IEC 10918-1 : 1993(E) Table K.6 – Table for chrominance AC coefficients (sheet 1 of 4) Run/Size Code length Code word 0/0 (EOB) 12 00 0/1 12 01 0/2 13 100 0/3 14 1010 0/4 15 11000 0/5 15 11001 0/6 16 111000 0/7 17 1111000 0/8 19 111110100 0/9 10 1111110110 0/A 12 111111110100 1/1 14 1011 1/2 16 111001 1/3 18 11110110 1/4 19 111110101 1/5 11 11111110110 1/6 12 111111110101 1/7 16 1111111110001000 1/8 16 1111111110001001 1/9 16 1111111110001010 1/A 16 1111111110001011 2/1 15 11010 2/2 18 11110111 2/3 10 1111110111 2/4 12 111111110110 2/5 15 111111111000010 2/6 16 1111111110001100 2/7 16 1111111110001101 2/8 16 1111111110001110 2/9 16 1111111110001111 2/A 16 1111111110010000 3/1 15 11011 3/2 18 11111000 3/3 10 1111111000 3/4 12 111111110111 3/5 16 1111111110010001 3/6 16 1111111110010010 3/7 16 1111111110010011 3/8 16 1111111110010100 3/9 16 1111111110010101 3/A 16 1111111110010110 4/1 16 111010 154 CCITT Rec. T.81 (1992 E)

ISO/IEC10918-1:1993(E)Table K.6 (sheet 2 of 4)Run/SizeCode lengthCode word94/21111101104/3161111111110010111.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-8/18111110018/216Oo8/3161111111110111000155CCITT Rec. T.81 (1992 E)

ISO/IEC 10918-1 : 1993(E) Table K.6 (sheet 2 of 4) Run/Size Code length Code word 4/2 19 111110110 4/3 16 1111111110010111 4/4 16 1111111110011000 4/5 16 1111111110011001 4/6 16 1111111110011010 4/7 16 1111111110011011 4/8 16 1111111110011100 4/9 16 1111111110011101 4/A 16 1111111110011110 5/1 16 111011 5/2 10 1111111001 5/3 16 1111111110011111 5/4 16 1111111110100000 5/5 16 1111111110100001 5/6 16 1111111110100010 5/7 16 1111111110100011 5/8 16 1111111110100100 5/9 16 1111111110100101 5/A 16 1111111110100110 6/1 17 1111001 6/2 11 11111110111 6/3 16 1111111110100111 6/4 16 1111111110101000 6/5 16 1111111110101001 6/6 16 1111111110101010 6/7 16 1111111110101011 6/8 16 1111111110101100 6/9 16 1111111110101101 6/A 16 1111111110101110 7/1 17 1111010 7/2 11 11111111000 7/3 16 1111111110101111 7/4 16 1111111110110000 7/5 16 1111111110110001 7/6 16 1111111110110010 7/7 16 1111111110110011 7/8 16 1111111110110100 7/9 16 1111111110110101 7/A 16 1111111110110110 8/1 18 11111001 8/2 16 1111111110110111 8/3 16 1111111110111000 CCITT Rec. T.81 (1992 E) 155

ISO/IEC10918-1:1993(E)Table K.6 (sheet 3 of 4)Run/SizeCode lengthCode 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 Rec. T.81 (1992 E)

ISO/IEC 10918-1 : 1993(E) Table K.6 (sheet 3 of 4) Run/Size Code length Code word 8/4 16 1111111110111001 8/5 16 1111111110111010 8/6 16 1111111110111011 8/7 16 1111111110111100 8/8 16 1111111110111101 8/9 16 1111111110111110 8/A 16 1111111110111111 9/1 19 111110111 9/2 16 1111111111000000 9/3 16 1111111111000001 9/4 16 1111111111000010 9/5 16 1111111111000011 9/6 16 1111111111000100 9/7 16 1111111111000101 9/8 16 1111111111000110 9/9 16 1111111111000111 9/A 16 1111111111001000 A/1 19 111111000 A/2 16 1111111111001001 A/3 16 1111111111001010 A/4 16 1111111111001011 A/5 16 1111111111001100 A/6 16 1111111111001101 A/7 16 1111111111001110 A/8 16 1111111111001111 A/9 16 1111111111010000 A/A 16 1111111111010001 B/1 19 111111001 B/2 16 1111111111010010 B/3 16 1111111111010011 B/4 16 1111111111010100 B/5 16 1111111111010101 B/6 16 1111111111010110 B/7 16 1111111111010111 B/8 16 1111111111011000 B/9 16 1111111111011001 B/A 16 1111111111011010 C/1 19 111111010 C/2 16 1111111111011011 C/3 16 1111111111011100 C/4 16 1111111111011101 C/5 16 1111111111011110 156 CCITT Rec. T.81 (1992 E)

ISO/IEC10918-1:1993(E)Table K.6 (sheet 4 of 4)Run/SizeCode lengthCode word16C/6111111111101111116cn7111111111100000C/8161111111111100001C/9161111111111100010CIA1600D/11111111111001D/2161111111111100100D/3161111111111100101D/4161111111111100110D/5161111111111100111D/6161111111111101000D/7160T00D/816111111101010D/9161111111111101011D/A161101100E/1141111100000E/21601101E/3161111111111101110E/416E/51611111111110000E/6161111111111110001E1610010E/81611110011E/916111111111111010016EIAoO10F/0 (ZRL)1111111010F/115111111111000011F/216111011016F/3OF/4161111111111000F/516111111111111001F/616O0Fn716OF/816100F/9161111111111111101FIA16O157CCITT Rec. T.81 (1992 E)

ISO/IEC 10918-1 : 1993(E) Table K.6 (sheet 4 of 4) Run/Size Code length Code word C/6 16 1111111111011111 C/7 16 1111111111100000 C/8 16 1111111111100001 C/9 16 1111111111100010 C/A 16 1111111111100011 D/1 11 11111111001 D/2 16 1111111111100100 D/3 16 1111111111100101 D/4 16 1111111111100110 D/5 16 1111111111100111 D/6 16 1111111111101000 D/7 16 1111111111101001 D/8 16 1111111111101010 D/9 16 1111111111101011 D/A 16 1111111111101100 E/1 14 11111111100000 E/2 16 1111111111101101 E/3 16 1111111111101110 E/4 16 1111111111101111 E/5 16 1111111111110000 E/6 16 1111111111110001 E/7 16 1111111111110010 E/8 16 1111111111110011 E/9 16 1111111111110100 E/A 16 1111111111110101 F/0 (ZRL) 10 1111111010 F/1 15 111111111000011 F/2 16 1111111111110110 F/3 16 1111111111110111 F/4 16 1111111111111000 F/5 16 1111111111111001 F/6 16 1111111111111010 F/7 16 1111111111111011 F/8 16 1111111111111100 F/9 16 1111111111111101 F/A 16 1111111111111110 CCITT Rec. T.81 (1992 E) 157