📄 第9章 图象的压缩编码，jpeg压缩编码标准.mht
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lang=3DEN-US>DM)</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A3=BB=CE=A2=B7=D6=D4=A4=B2=E2=B1=E0=C2=EB</SPAN><SPAN=20
lang=3DEN-US>(Differential Pulse Code Modulation</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC</SPAN><SPAN =
lang=3DEN-US>DPCM)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A3=AC=BE=DF=CC=E5=B5=C4=CF=B8=BD=DA=D4=DA=B4=CB=BE=CD=B2=BB=
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<P style=3D"LINE-HEIGHT: 18pt"><SPAN=20
style=3D"FONT-FAMILY: =
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=DD=D3=F2</SPAN><SPAN=20
lang=3DEN-US>(</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=C8=E7=C6=B5=D3=F2</SPAN><SPAN=20
lang=3DEN-US>)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=C9=CF=A3=AC=CA=B9=B5=C3=B4=F3=C1=BF=B5=C4=D0=C5=CF=A2=C4=DC=
=D3=C3=BD=CF=C9=D9=B5=C4=CA=FD=BE=DD=C0=B4=B1=ED=CA=BE=A3=AC=B4=D3=B6=F8=B4=
=EF=B5=BD=D1=B9=CB=F5=B5=C4=C4=BF=B5=C4=A1=A3=B1=E4=BB=BB=B1=E0=C2=EB=D3=D0=
=BA=DC=B6=E0=A3=AC=C8=E7</SPAN><SPAN=20
lang=3DEN-US>(1)</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=C0=EB=C9=A2=B8=B5=C1=A2=D2=B6=B1=E4=BB=BB</SPAN><SPAN=20
lang=3DEN-US>(Discrete Fourier Transform</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC=BC=F2=B3=C6</SPAN><SPAN =
lang=3DEN-US>DFT)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=BB</SPAN><SPAN =
lang=3DEN-US>(2)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=C0=EB=C9=A2=D3=E0=CF=D2=B1=E4=BB=BB</SPAN><SPAN =
lang=3DEN-US>(Discrete Cosine=20
Transform</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A3=AC=BC=F2=B3=C6</SPAN><SPAN=20
lang=3DEN-US>DCT)</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A3=BB</SPAN><SPAN=20
lang=3DEN-US>(3)</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=C0=EB=C9=A2=B9=FE=B4=EF=C2=EA=B1=E4=BB=BB</SPAN><SPAN=20
lang=3DEN-US>(Discrete Hadamard Transform</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC=BC=F2=B3=C6</SPAN><SPAN =
lang=3DEN-US>DHT)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A1=A3</SPAN></P>
<P style=3D"LINE-HEIGHT: 18pt"><SPAN=20
style=3D"FONT-FAMILY: =
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=B6=E0=A3=AC=C8=E7=BB=EC=BA=CF=B1=E0=C2=EB</SPAN><SPAN =
lang=3DEN-US>(Hybird=20
Coding)</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A1=A2=CA=B8=C1=BF=C1=BF=BB=AF</SPAN><SPAN =
lang=3DEN-US>(Vector=20
Quantize</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A3=AC</SPAN><SPAN lang=3DEN-US>VQ)=20
</SPAN><SPAN style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A1=A2</SPAN><SPAN =
lang=3DEN-US>LZW</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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=BD=E9=C9=DC</SPAN><SPAN lang=3DEN-US>LZW</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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<P style=3D"LINE-HEIGHT: 18pt"><SPAN=20
style=3D"FONT-FAMILY: =
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=C0=B4=B3=F6=CF=D6=C1=CB=BA=DC=B6=E0=D0=C2=B5=C4=D1=B9=CB=F5=B1=E0=C2=EB=B7=
=BD=B7=A8=A3=AC=C8=E7=CA=B9=D3=C3=C8=CB=B9=A4=C9=F1=BE=AD=D4=AA=CD=F8=C2=E7=
</SPAN><SPAN=20
lang=3DEN-US>(Artificial Neural Network</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC=BC=F2=B3=C6</SPAN><SPAN =
lang=3DEN-US>ANN)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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</SPAN><SPAN lang=3DEN-US>(Fractl)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A1=A2=D0=A1=B2=A8</SPAN><SPAN =
lang=3DEN-US>(Wavelet) </SPAN><SPAN=20
style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A1=A2=BB=F9=D3=DA=B6=D4=CF=F3</SPAN><SPAN =
lang=3DEN-US>(Object Based)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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=C4=A3=D0=CD</SPAN><SPAN lang=3DEN-US>(Model=20
=A8CBased)</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>(</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>MPEG4</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>)</SPAN><SPAN style=3D"FONT-FAMILY: =
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<P style=3D"LINE-HEIGHT: 18pt"><SPAN=20
style=3D"FONT-FAMILY: =
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</SPAN><SPAN lang=3DEN-US>JPEG</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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=CA=B5=C4=D1=B9=CB=F5=B1=E0=C2=EB=D6=D0=CA=C7=D4=F5=D1=F9=D3=A6=D3=C3=B5=C4=
=A1=A3</SPAN></P>
<H2><SPAN lang=3DEN-US>9.1</SPAN> <SPAN lang=3DEN-US></SPAN><A=20
name=3D_Toc486331908></A><A name=3D_Toc486332908></A><A =
name=3D_Toc486339017></A><A=20
name=3D_Toc454810882></A><A=20
name=3D_Toc454856656><SPAN><SPAN>=B9=FE=B7=F2=C2=FC=B1=E0=C2=EB</SPAN></S=
PAN></A></H2>
<P style=3D"LINE-HEIGHT: 18pt"><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>(Huffman)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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=B1=E0=C2=EB=B7=BD=B7=A8=A3=AC=CA=C7</SPAN><SPAN=20
lang=3DEN-US>Huffman</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=D3=DA</SPAN><SPAN=20
lang=3DEN-US>1952</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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=BD=CF=C9=D9=CA=B9=D3=C3=B5=C4=CA=FD=BE=DD=D3=C3=BD=CF=B3=A4=B5=C4=B4=FA=C2=
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=CF=E0=CD=AC=A1=A3=D5=E2=D0=A9=B4=FA=C2=EB=B6=BC=CA=C7=B6=FE=BD=F8=D6=C6=C2=
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=B8=F6=C0=FD=D7=D3=A3=BA=BC=D9=C9=E8=D2=BB=B8=F6=CE=C4=BC=FE=D6=D0=B3=F6=CF=
=D6=C1=CB</SPAN><SPAN=20
lang=3DEN-US>8</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=D6=D6=B7=FB=BA=C5</SPAN><SPAN=20
lang=3DEN-US>S0,S1,S2,S3,S4,S5,S6,S7</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A3=AC=C4=C7=C3=B4=C3=BF=D6=D6=B7=FB=BA=C5=D2=AA=B1=E0=C2=EB=
=A3=AC=D6=C1=C9=D9=D0=E8=D2=AA</SPAN><SPAN lang=3DEN-US>3</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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N=20
lang=3DEN-US>000,001,010,011,100,101,110,111(</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=B3=C6=D7=F6=C2=EB=D7=D6</SPAN><SPAN =
lang=3DEN-US>)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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lang=3DEN-US>S0S1S7S0S1S6S2S2S3S4S5S0S0S1</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=B1=E0=C2=EB=BA=F3=B1=E4=B3=C9</SPAN><SPAN=20
lang=3DEN-US>000001111000001110010010011100101000000001</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC=B9=B2=D3=C3=C1=CB</SPAN><SPAN =
lang=3DEN-US>42</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=B1=C8=CC=D8=A1=A3=CE=D2=C3=C7=B7=A2=CF=D6</SPAN><SPAN =
lang=3DEN-US>S0</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC</SPAN><SPAN =
lang=3DEN-US>S1</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC</SPAN><SPAN =
lang=3DEN-US>S2</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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=B1=C8=BD=CF=B4=F3=A3=AC=C6=E4=CB=FC=B7=FB=BA=C5=B3=F6=CF=D6=B5=C4=C6=B5=C2=
=CA=B1=C8=BD=CF=D0=A1=A3=AC=C8=E7=B9=FB=CE=D2=C3=C7=B2=C9=D3=C3=D2=BB=D6=D6=
=B1=E0=C2=EB=B7=BD=B0=B8=CA=B9=B5=C3</SPAN><SPAN=20
lang=3DEN-US>S0</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A3=AC</SPAN><SPAN=20
lang=3DEN-US>S1</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A3=AC</SPAN><SPAN=20
lang=3DEN-US>S2</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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=C2=EB=D7=D6=B3=A4=A3=AC=D5=E2=D1=F9=BE=CD=C4=DC=B9=BB=BC=F5=C9=D9=D5=BC=D3=
=C3=B5=C4=B1=C8=CC=D8=CA=FD=A1=A3=C0=FD=C8=E7=A3=AC=CE=D2=C3=C7=B2=C9=D3=C3=
=D5=E2=D1=F9=B5=C4=B1=E0=C2=EB=B7=BD=B0=B8=A3=BA</SPAN><SPAN=20
lang=3DEN-US>S0</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=B5=BD</SPAN><SPAN=20
lang=3DEN-US>S7</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=B5=C4=C2=EB=D7=D6=B7=D6=B1=F0</SPAN><SPAN=20
lang=3DEN-US>01,11,101,0000,0001,0010,0011,100</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=A3=AC=C4=C7=C3=B4=C9=CF=CA=F6=B7=FB=BA=C5=D0=F2=C1=D0=B1=E4=
=B3=C9</SPAN><SPAN=20
lang=3DEN-US>011110001110011101101000000010010010111</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC=B9=B2=D3=C3=C1=CB</SPAN><SPAN =
lang=3DEN-US>39</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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</SPAN><SPAN lang=3DEN-US>S3</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC</SPAN><SPAN =
lang=3DEN-US>S4</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC</SPAN><SPAN =
lang=3DEN-US>S5</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC</SPAN><SPAN =
lang=3DEN-US>S6</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=B1=E4=B3=A4=C1=CB</SPAN><SPAN =
lang=3DEN-US>(</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=D3=C9</SPAN><SPAN =
lang=3DEN-US>3</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=CE=BB=B1=E4=B3=C9</SPAN><SPAN =
lang=3DEN-US>4</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=CE=BB</SPAN><SPAN =
lang=3DEN-US>)</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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=D7=D6=C8=E7</SPAN><SPAN lang=3DEN-US>S0</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5">=A3=AC</SPAN><SPAN =
lang=3DEN-US>S1</SPAN><SPAN=20
style=3D"FONT-FAMILY: =
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=CB=F5=A1=A3</SPAN></P>
<P style=3D"LINE-HEIGHT: 18pt"><SPAN=20
style=3D"FONT-FAMILY: =
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lang=3DEN-US>S0</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=B5=C4=C2=EB=D7=D6=CE=AA</SPAN><SPAN=20
lang=3DEN-US>01</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>S2</SPAN><SPAN style=3D"FONT-FAMILY: =
=CB=CE=CC=E5">=B5=C4=C2=EB=D7=D6=CE=AA</SPAN><SPAN=20
lang=3DEN-US>011</SPAN><SPAN style=3D"FONT-FAMILY: =
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N><SPAN=20
lang=3DEN-US>011</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>S0</SPAN><SPAN style=3D"FONT-FAMILY: =
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N=20
lang=3DEN-US>1</SPAN><SPAN style=3D"FONT-FAMILY: =
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N=20
lang=3DEN-US>S2</SPAN><SPAN style=3D"FONT-FAMILY: =
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<P style=3D"LINE-HEIGHT: 18pt"><SPAN lang=3DEN-US>(1)<SPAN=20
style=3D"FONT: 7pt 'Times New =
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; =20
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lang=3DEN-US>S0</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>4/14</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>3/14</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>2/14</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>1/14</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>1/14</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>1/14</SPAN><SPAN style=3D"FONT-FAMILY: =
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lang=3DEN-US>1/14</SPAN><SPAN style=3D"FONT-FAMILY: =
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<P style=3D"LINE-HEIGHT: 18pt"><SPAN lang=3DEN-US>(2)<SPAN=20
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; =20
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<P style=3D"LINE-HEIGHT: 18pt"><SPAN lang=3DEN-US>(3)<SPAN=20
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; =20
</SPAN></SPAN><SPAN=20
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