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5334
Default (Main Header)
default
component
Coding Parameter
Sub-System
Sdjh 6
kdu_params
Tile (Tile-Part Headers)
default
component
instance (tile-part)
kdu_codestream
kdu_push_ifc, kdu_pull_ifc
kdu_tile
Processing Engine
kdu_tile_comp
DWT Sub-System
kdu_resolution
Quantization and
Interfacing System
kdu_subband
Block Coding
Sub-System
kdu_block
Compressed Data and Structure Sub-System
tile
tile-component
resolution
subband
precinct-band
code-block
kdu_analysis, kdu_synthesis
kdu_encoder, kdu_decoder
precinct
packet
no external interfaces
currently available to
these internal objects
kdu_block_encoder, kdu_block_decoder
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Sdjh 8
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Frgh0Vwuhdp Frorxu Wudqvirupv
Wkh MSHJ5333 frgh0vwuhdp pd| +dqg riwhq zloo, vshfli| wkh xvh ri d frorxu
wudqvirupdwlrq zklfk lv wr eh dssolhg wr wkh uvw 6 lpdjh frpsrqhqwv1 Sduw
4 ri wkh vwdqgdug vxssruwv rqo| wzr vxfk frorxu wudqvirupv1 Wkh LFW +Luuh0
yhuvleoh Frorxu Wudqvirup, dssolhv rqo| wr wkh luuhyhuvleoh surfhvvlqj sdwk/ zkloh
wkh UFW +Uhyhuvleoh Frorxu Wudqvirup, dssolhv rqo| wr wkh uhyhuvleoh surfhvv0
lqj sdwk1 Qhlwkhu ri wkhvh wudqvirupv lv ohjdo xqohvv wkh uvw 6 frpsrqhqwv
kdyh lghqwlfdo vxe0vdpsolqj idfwruv +l1h1/ lghqwlfdo glphqvlrqv, dqg lghqwlfdo uh0
yhuvlelolw| +doo uhyhuvleo| surfhvvhg ru doo luuhyhuvleo| surfhvvhg,1 Wkh LFW lv
qrwklqj rwkhu wkdq wkh frqyhqwlrqdo \FeFu wudqvirup/ zkloh wkh UFW lv d vlp0
soh uhyhuvleoh dssur{lpdwlrq wr wklv wudqvirup/ zklfk pd| eh xvhg wr dfklhyh
h!flhqw orvvohvv frpsuhvvlrq ri frorxu lpdjhu|1
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5334
Ndndgx Vxuyh| Grfxphqw
Sdjh 4:
Wkh iruzdug wudqvirupv duh erwk lpsohphqwhg e| wkh Ndndgx ixqfwlrq ngx0
frqyhuw0uje0wr0|ff/ zkloh wkh uhyhuvh wudqvirupv duh lpsohphqwhg e| wkh Ndndgx
ixqfwlrq ngx0frqyhuw0|ff0wr0uje1 Wkhvh duh uduh h{dpsohv ri Ndndgx fruh fdsd0
elolwlhv zklfk duh qrw zudsshg lq F.. fodvvhv1 Wkh ixqfwlrqv duh ghvljqhg wr
zrun zlwk wkh vdph ngx0olqh0exi remhfwv xvhg e| wkh wloh0frpsrqhqw vdpsoh
surfhvvlqj hqjlqhv1 Wkh| lpsohphqw wkh LFW li wkh xqghuo|lqj gdwd w|sh lv
qrupdol}hg + rdwlqj ru {hg srlqw,/ dqg wkh UFW li wkh xqghuo|lqj gdwd w|sh
lv devroxwh +490 ru 650elw lqwhjhuv,/ dv uhsruwhg e| wkh ngx0olqh0exi==lv0devroxwh
phpehu ixqfwlrq1 Wkh surfhvvlqj lv fxuuhqwo| khdylo| rswlpl}hg iru wkh orzhu
suhflvlrq 490elw gdwd w|sh1
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vshflf frorxu lqwhusuhwdwlrq rq wkh gdwd surfhvvhg e| wkhvh wudqvirupv1 Qrp0
lqdoo|/ zh wklqn ri wkh uvw wkuhh lpdjh frpsrqhqwv dv uhsuhvhqwlqj U +uhg,/ J
+juhhq, dqg E +eoxh, ydoxhv/ lq wkdw rughu/ sulru wr wkh iruzdug wudqvirup/ dqg
uhsuhvhqwlqj \ +oxplqdqfh,/ Fe +vfdohg E0\, dqg Fu +vfdohg U0\, ydoxhv diwhu
wkh wudqvirup1 Krzhyhu/ wkh LFW dqg UFW duh irupdoo| wr eh xqghuvwrrg rqo|
dv ghfruuhodwlqj wudqvirupv dqg dssolfdwlrqv duh iuhh wr wdnh dgydqwdjh ri wkhlu
ghfruuhodwlqj srwhqwldo lq frpsuhvvlqj dq| duelwudu| gdwd vhw/ vr orqj dv wkh
frpsrqhqwv frqirup wr wkh vxe0vdpsolqj dqg uhyhuvlelolw| uhtxluhphqwv phq0
wlrqhg deryh1 Lw lv dovr zruwk qrwlqj khuh wkdw olnh wkh uhvw ri wkh MSHJ5333
vdpsoh gdwd surfhvvlqj sdwk/ wkhvh frorxu wudqvirupdwlrqv duh h{shfwhg wr rs0
hudwh rq vljqhg txdqwlwlhv +rvhwv vxewudfwhg iurp ruljlqdoo| xqvljqhg gdwd li
qhfhvvdu|,1
71515
Frorxu Fkdqqhov lq MS5
Rqh ri wkh prvw lpsruwdqw uhvsrqvlelolwlhv ri dq| oh irupdw ghvljqhg wr hpehg
d MSHJ5333 frgh0vwuhdp lv wr surylgh dq lqwhusuhwdwlrq ri wkh lpdjh frpsrqhqw
vdpsohv1 Wkh rswlrqdo MS5 oh irupdw surylghv vxfk dq lqwhusuhwdwlrq/ zklfk
lv ehvw xqghuvwrrg lq wzr sduwv1 Wkh uvw sduw ri wkh ghvfulswlrq lghqwlhv d
pdsslqj ehwzhhq lpdjh frpsrqhqwv dqg frorxu fkdqqhov ru rwkhu uhsurgxfwlrq
ixqfwlrqv1 Wkh vhfrqg sduw ri wkh ghvfulswlrq lghqwlhv wkh frorxu vsdfh lq d
pdqqhu zklfk shuplwv dssursuldwh uhqghulqj e| d udqjh ri glhuhqw dssolfdwlrqv1
Dv phqwlrqhg/ wkh uvw sduw ri wkh ghvfulswlrq lqyroyhv d pdsslqj ehwzhhq
wkh frgh0vwuhdp lpdjh frpsrqhqw vdpsohv dqg frorxu fkdqqhov ru rwkhu uhsur0
gxfwlrq ixqfwlrqv1 Wkhuh duh xs wr < glhuhqw lpdjh uhsurgxfwlrq ixqfwlrqv
ghqhg/ zklfk pd| eh fodvvlhg dv iroorzv=
Frorxu Rqo| wkuhh frorxu fkdqqhov/ U +uhg,/ J +juhhq, dqg E +eoxh,/ duh vxs0
sruwhg e| wkh MS5 oh irupdw1 Dowhuqdwlyho|/ d oxplqdqfh lpdjh pd| kdyh
h{dfwo| rqh frorxu fkdqqho/ \ +oxplqdqfh,1 Wkh frorxu fkdqqhov pxvw eh
pdsshg wr wkh frgh0vwuhdp1
Rsdflw| H{dfwo| rqh rsdflw| fkdqqho lv ghqhg iru hdfk frorxu fkdqqho1 Dq| ru
doo ri wkh rsdflw| fkdqqhov pd| eh xqpdsshg/ phdqlqj wkdw wkh uhohydqw
frorxu gdwd lv wr eh uhqghuhg gluhfwo| zlwkrxw pxowlsolfdwlrq e| dq rsdflw|
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5334
Ndndgx Vxuyh| Grfxphqw
Sdjh 4;
pdvn1 Wkh rsdflw| lqirupdwlrq fdq eh ljqruhg e| dssolfdwlrqv zklfk gr
qrw qhhg wr eohqg wkh lpdjh lqwr d edfnjurxqg ru dqrwkhu lpdjh1
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qhg iru hdfk frorxu fkdqqho1 Dq| ru doo ri wkh suh0pxowlsolhg rsdflw|
fkdqqhov pd| eh xqpdsshg/ phdqlqj wkdw wkh uhohydqw frpsrqhqw kdv
qrw ehhq suh0pxowlsolhg e| dq rsdflw| pdvn1
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pdwlrq lv xvhg/ wkh vrxufh lpdjh frpsrqhqw*v vdpsohv duh lqwhusuhwhg dv wkh
lqglfhv ri d orrnxs wdeoh1 Hdfk pdsshg uhsurgxfwlrq ixqfwlrq pd| xvh dq| ri
wkh dydlodeoh lpdjh frpsrqhqwv dqg dq| ri wkh dydlodeoh sdohwwh orrnxs wdeohv/
zlwk wkh iroorzlqj uhvwulfwlrqv +wkhvh duh lpsrvhg e| wkh vwdqgdug,1
41 Lpdjh frpsrqhqwv zklfk duh xvhg dv lqglfhv ri d sdohwwh orrnxs wdeoh pxvw
rqo| eh xvhg lq wklv zd|1
51 Qr lpdjh frpsrqhqw zklfk lv xvhg iru rqh fodvv ri uhsurgxfwlrq ixqf0
wlrq +frorxu/ rsdflw| ru suh0pxowlsolhg rsdflw|, pd| eh xvhg iru dq| ri
wkh rwkhu fodvvhv ri uhsurgxfwlrq ixqfwlrq/ h{fhsw li lw lv xvhg wr lqgh{ d
sdohwwh orrnxs wdeoh1 Lq wklv fdvh/ wkh vdph frpelqdwlrq ri vrxufh lpdjh
frpsrqhqw dqg sdohwwh orrnxs wdeoh pxvw qrw eh xvhg iru glhuhqw fodvvhv
ri uhsurgxfwlrq ixqfwlrq +frorxu/ rsdflw| ru suh0pxowlsolhg rsdflw|,1 Wkhuh
lv d zd| ri zrunlqj durxqg wklv uhdvrqdeoh frqvwudlqw zlwkrxw ylrodwlqj
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h{solflwo| surklelwv zulwhuv iurp grlqj lw1
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vfulehg e| wkh MS5 oh irupdw/ surylglqj d fohdq vhw ri lqwhuidfhv wkurxjk lwv
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zklfk gr qrw frqirup h{dfwo| wr wkh deryh frqvwudlqwv/ wkh Ndndgx MS5 uhdghu
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wr dyrlg uho|lqj rq wkhp1
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oh irupdw lqyroyhv wkh vshflfdwlrq ri d frorxu vsdfh zklfk lv wr eh dvvrfldwhg
zlwk wkh wkuhh frorxu fkdqqhov +rqh fkdqqho li wkh lpdjh fduulhv oxplqdqfh rqo|,1
Ndndgx idflolwdwhv lqwhudfwlrq zlwk wkhvh frorxu ghvfulswlrqv wkurxjk wkh ms50
frorxu remhfw1 Wklv remhfw doorzv MS5 oh zulwhuv wr frqvwuxfw d ydulhw| ri frorxu
ghvfulswlrqv/ lqfoxglqj hpehgghg LFF surohv1 Lw doorzv MS5 oh uhdghuv wr
uhfryhu wkh ghvfulswlrqv dqg dovr surylghv frqyhqlhqfh ixqfwlrqv iru frqyhuwlqj
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UFW, vkrxog rqo| eh xvhg lq frqqhfwlrq zlwk UJE frorxu gdwd1 Lq sduwlfxodu/
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5334
Ndndgx Vxuyh| Grfxphqw
Sdjh 4<
wkh| vkrxog qrw eh xvhg wr frpsuhvv lpdjh frpsrqhqwv zklfk duh wkhq wr eh
xvhg dv sdohwwh lqglfhv/ ru zklfk douhdg| uhsuhvhqw \FeFu gdwd1 Ndndgx grhv
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gxulqj ghfrpsuhvvlrq li wklv lv ghwhfwhg,1
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frgh0vwuhdp lpdjh frpsrqhqwv dv uhsuhvhqwlqj oxplqdqfh0fkurplqdqfh gdwd1 Lq
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lq wkh MS5 frorxu er{ phdqv wkdw wkh lpdjh*v frorxu fkdqqhov duh wr eh lq0
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xqghuvwrrg dv wkh ruljlqdo lpdjh uhsuhvhqwdwlrq dqg kdv d glhuhqw jdpxw wr
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pdol}hg olqh vdpsohv wr ngx0frqyhuw0|ff0wr0uje li |rx zdqw lw wr frqyhuw \FeFu
gdwd wr UJE gdwd1 Rwkhuzlvh/ lw zloo lpsohphqw wkh UFW1
71516
Lqwhusrodwlrq dqg Uhjlvwudwlrq
Zkhuhdv wkh LFW dqg UFW wudqvirupv ghqhg e| wkh frgh0vwuhdp dozd|v rshu0
dwh rq lpdjh frpsrqhqwv zlwk lghqwlfdo glphqvlrqv/ wkh MS5 oh ghvfulehv frorxu
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yhuvlrq wr dq dssursuldwh uhqghulqj vsdfh pxvw eh suhfhghg e| lqwhusrodwlrq wr d
frpprq julg1 Lw lv dovr lpsruwdqw wr fruuhfwo| uhjlvwhu wkh fkdqqhov djdlqvw rqh
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surylghv frqyhqlhqw dffhvv wr wkh uhohydqw uhjlvwudwlrq lqirupdwlrq/ zkloh ngx0
frghvwuhdp==jhw0vxevdpsolqj ru ngx0wloh0frps==jhw0vxevdpsolqj pd| eh xvhg wr
uhfryhu vxe0vdpsolqj lqirupdwlrq1 Wrjhwkhu/ wkhvh wzr slhfhv ri lqirupdwlrq duh
vx!flhqw wr fruuhfwo| lpsohphqw wkh uhohydqw lqwhusrodwlrq rshudwlrqv1
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ghfrpsuhvvru remhfw/ ghqhg dqg lpsohphqwhg dv sduw ri wkh ngx0vkrz dssol0
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hvvdu| fkdqqho pdsslqj/ lqwhusrodwlrq dqg frorxu wudqvirupdwlrq rshudwlrqv1
Wkh lpsohphqwdwlrq lv sodwirup lqghshqghqw/ ghvslwh wkh idfw wkdw wkh uhvw ri
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5334
Ndndgx Vxuyh| Grfxphqw
Sdjh 53
wkh ngx0vkrz dssolfdwlrq lqyroyhv sodwirup ghshqghqw JXL frgh1 Wkh ngu0
uhjlrq0ghfrpsuhvvru remhfw fruuhfwo| dqg wudqvsduhqwo| pdqdjhv wkh frpsoh{l0
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5334
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Ndndgx Vxuyh| Grfxphqw
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