1、 KSKSKSKS KS X ISO/IEC 14496 2SKSKSKS KSKSKS SKSKS KSKS SKS KS (MPEG4) 2: KS X ISO/IEC 14496 2: 2005 2005 12 26 X ISO/IEC 14496 2: 2005 e ( ) ( ) ( ) ( ) ( ) ( ) ( ) : : 1999 12 29 : 2005 12 26 2005 0947 : e : e ( ) ( 02 509 7272 4) . 7 5 , . X ISO/IEC 14496 2: 2005 e . KS X ISO/IEC 14496 2 . A( ) B
2、( ) C( ) D( ) E( ) F() G( ) H( ) I( ) J() K() L() M( ) N() O( ) 3 P() SMPTE12M Q( ) MPEG 2 4: 2: 2 MPEG 4 R() (RUN, EOP) S() KS X ISO/IEC 14496 “ (MPEG 4)” . 1 : (KS X ISO/IEC 14496 1) 2 : (KS X ISO/IEC 14496 2) 3 : (KS X ISO/IEC 14496 3) 4 : (KS X ISO/IEC 14496 4) 5: (KS X ISO/IEC 14496 5) 6: (DMIF
3、)(KS X ISO/IEC 14496 6) 7: MPEG 4 (KS X ISO/IEC 14496 7) 8: IP KS X ISO/IEC 14496 (KS X ISO/IEC 14496 8) 9: (KS X ISO/IEC 14496 9) 10: (AVC)(KS X ISO/IEC 14496 10) 11: (KS X ISO/IEC 14496 11) i X ISO/IEC 14496 2: 2005 12: ISO (KS X ISO/IEC 14496 12) 13: (IPMP) (KS X ISO/IEC 14496 13) 14: MP4 (KS X I
4、SO/IEC 14496 14) 15: (AVC) (KS X ISO/IEC 14496 15) 16: (AFX)(KS X ISO/IEC 14496 16) 17: (KS X ISO/IEC 14496 17) 18: (KS X ISO/IEC 14496 18) 19: (KS X ISO/IEC 14496 19) . ii ICS 35.040 KS X ISO/IEC ( MPEG 4)2 : 14496 2: 2005Information technology Coding of audio-visual objects(MPEG 4) Part 2: Visual
5、2004 ISO/IEC 14496 2 Information technology Coding of audio-visual objects(MPEG 4) Part 2: Visual . 5. . 1. , , . , . KS X ISO/IEC 14496 . , , , , , , , , , . / , , , . KS X ISO/IEC 14496 ISO/1EC 11172 2, ISO/IEC 13818 2 ITU T H.263 . 2. . . ISO/IEC 11172 2: 1993 1.5 Mbps (MPEG 1) 2 : ISO/IEC 13818
6、1: 2000 (MPEG 2) 1 : ISO/IEC 13818 2: 2000 (MPEG 2) 2 : IEEE Standard Specifications for the Implementations of 8 by 8 lnverse Discrete Cosine Transform, IEEE Std 11801990, December 6, 1990 ITU B Recommendation BT.601 5 Studio encoding prarmeters of digital television for studios ITU T Recommendatio
7、n H.261(1993) Codec for audiovisual services at px 64 kbit/s ITU T Recommendation H.263(2000) Video Coding for Low Bitrate Communication 3. . 3.1 3 (3D mesh) . , , , , . 3 X ISO/IEC 14496 2: 2005 . 3.2 3 (3D mesh connectivity) 3 3.3 3 (3D mesh geometry) 3 3 3.4 3 (3D mesh properties) 3 , , 3.5 AC (A
8、C coefficient) 0 DCT 3.6 B VOP(B-field VOP) B VOP 3.7 B VOP(B-frame VOP) B VOP 3.8 B VOP; (B-picture; bidirectionally predictive-coded video object plane(VOP) VOP VOP 3.9 (backward motion vector) VOP 3.10 (backward prediction) VOP 3.11 (b ase layer) 3.12 (binary alpha block) 1616 , (map) (shape) . b
9、ab . 3.13 (binary alpha map) (object) (opaque) 3.14 ; ( bitstream; stream) 3.15 (b itrate) 3.16 (block) 8 8 64 DCT 3.17 bp(block-bp) 64 bit DCT . 88 DCT bp . 3.18 (body animation parameter, BAP) , BAT 3.19 (body definition parameter, BDP) . BDP BAP . BDP , , . 3.20 (body deformation table, BodyDefTa
10、ble) BAP BAP 3.21 (bo ttom field) 2 . . 3.22 (3 ) boundary (of a 3D mesh) 3 3.23 (3 ) boundary edge (of a 3D mesh) 3 3.24 (bo unding loop) 3.25 (bounding loop index) 3.26 branching triangle (of a triangle tree) 2 X ISO/IEC 14496 2: 2005 3.27 branching vertex (of a vertex tree or of a vertex graph) 3
11、.28 (byte aligned) 8 . 3.29 (b yte) 8 3.30 (context based arithmetic encoding) . cae . 3.31 (channel) KS X ISO/IEC 14496 3.32 ( chrominance format) (chrominance block) . 3.33 (chrom inance component) , . Cb Cr . 3.34 B frame(coded B-frame) B VOP B VOP 3.35 BVO P(coded B VOP) B VOP 3.36 frame(coded f
12、rame) I , P B . 3.37 VOP(coded VOP) I VOP, P VOP, B VOP 3.38 I frame(coded I-frame) I VOP VOP. VOP IVOP VOP I VOP P VOP . 3.39 l VOP(coded l VOP) I VOP 3.40 P frame(coded P-frame) P VOP P VOP 3.41 PVO P(coded PVO P) P VOP 3.42 S(GMC)V OPcoded S (GMC)V OP S(GMC) VOP 3.43 (coded order) VOP . . , , . 3
13、.44 (coded video bitstream) KS X ISO/IEC 14496 VOP 3.45 (coded representation) 3.46 (coding parameters) . . 3.47 (component) , 3.48 (com position process) VOP 3.49 (compression) 3.50 (3 ) connected component (of a 3D mesh) 3 . 3 . 3.51 (constant bitrate coded video) 3 X ISO/IEC 14496 2: 2005 3.52 (c
14、onstant bitrate) . 3.53 (co nversion ratio) 3.54 (3 ) corner (of a 3D mesh) ( , ) 3.55 (data element) 3.56 DC ( DC coefficient) DCT 0 3.57 DCT (DCT coefficient) 3.58 ( decoder input buffer) (video buffering verifier) FIFO(First In First Out) 3.59 (decoder ) 3.60 ( decoding order) VOP . . , , . 3.61
15、decoding (process) KS X ISO/IEC 14496 VOP 3.62 ( digital storage media;DS M) 3.63 ( discrete cosine transform; DCT) DCT , . DCT A . 3.64 ( display aspect ratio) / ( ) 3.65 (display order) . . 3.66 (display process) ( ) 3.67 (3 )dual graph (of a 3D mesh) . 3 . 3 . 3.68 (3 ) edge (of a 3D mesh) 3 3 3.
16、69 (editing) . KS X ISO/IEC 14496 . 3.70 (enc oder) 3.71 encoding (process) KS X ISO/IEC 14496 . KS X ISO/IEC 14496 . 3.72 (end of plane; eop) 1 bp 1 3.73 (enh ancement layer) (scalability) . . 3.74 ( 3 )face (of a 3D mesh) ( ). . 4 X ISO/IEC 14496 2: 2005 . 3.75 (gl obal motion compensation) . VOP
17、. 3.76 (face animation parameter units, FAPU) PAP 3.77 (face animation parameters: FAPs) . viseme . 3.78 (face animation table, FAT) FAP FAP 3.79 (face calibration mesh) 3.80 (face definition parameter, FDP) . FDP , FAP . FDP , , , . 3.81 (f ace feature control point) FAP 3.82 (3 ) face forest (of a
18、 3D mesh) 3 (face tree) 3.83 ( face interpolation transform, FIT) FAP FAP FAP . 3.84 ( face model mesh) , , 3.85 (3 )f ace tree (of a 3D mesh) 3.86 (f ast forward playback) VOP VOP 3.87 (f ast reverse playback) VOP VOP 3.88 (fea thering) 3.89 fgs (fgs block) 8 8 DCT . . 3.90 fgs (fgs macroblock) DCT
19、 4 bp (4: 2: 0 ) (U V) bp. 6 bp . . 3.91 fgs (fgs macroblock number) vop-bp fgs . vop-bp fgs fgs 0 . Fgs . 5 X ISO/IEC 14496 2: 2005 3.92 fgs (fgs run) bp 1 0 3.93 fgs ( fgs temporal scalability; FGST) . VOP . FGST DCT FGS . 3.94 fgs vop VOP VOP . VOP DCT . DCT . FGST fgs vop VOP . . 3.95 ( fine gra
20、nularity scalability; FGS) VOP . fgs vop . fgs vop fgs vop . Fgs vop VOP . 3.96 (field) . . 3.97 ( field-based prediction) . 1616 . . 3.98 (f ield period) 2 3.99 VOP(field VOP; field structure VOP) VOP VOP . 3.100 (flag) 0 1 3.101 (forbidden) . (emulation) . 3.102 (forced updating) DCT (DCT mismatch) 3.103 ( forward compatibility) , . 3.104 (farward motion vec