video compression additional

7/28/2019 Video Compression Additional

1/25

Ycnda Ba`prdsscam
http://www.blog.oureducation.in/


2/25

Ycnda Ba`prdsscam

Amd hpprahbf ta ba`prdsscmg h vcnda saurbd cs ta hppky tfdOZDG hkgarctf` ta dhbf irh`d cmndpdmndmtky ^fcs cs emawmhs àvcmg OZDG ar @OZDG

Ci h typcbhk àvcd sbdmd fhs h `cmcù` nurhtcam ai 2sdbamns+ hssu`cmg h irh`d rdirdsf rhtd ai 9: irh`ds!s dhbfsbdmd cs ba`pasdn ai 86: irh`ds fdmbd ly sdmncmg tfasdsdg`dmts ai dhbf irh`d tfht fhs àvd`dmt hssabchtdn wctftfd` bamscndrhlkd hnnctcamhk shvcmgs cm lhmnwcntf bhm ld`hnd

^fdrd hrd twa typds ai ba`prdssdn irh`ds

- ^fasd tfht hrd ba`prdssdn cmndpdmndmtky &C- irh`ds#

- ^fasd tfht hrd prdncbtdn &Z-irh`d hmn L-irh`d#
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3/25

Ycnda Ba`prdsscamDxh`pkd irh`d

sdqudmbds C hmn Z irh`ds

Cm tfd bamtdxt ai ba`prdsscam+ scmbd vcnda cs sc`pky h

sdqudmbd ai ncgctczdn pcbturds+ vcnda cs hksa rdidrrdn ta hs

`avcmg pcbturds hmn tfd tdr`s irh`ds hmn pcbturd hrd usdn

cmtdrbfhmgdhlky
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4/25

Ycnda Ba`prdsscamC irh`ds

C-irh`ds &Cmtrhbandn irh`ds# hrd dmbandn wctfaut rdidrdmbdta hmy atfdr irh`ds Dhbf irh`d cs trdhtdn hs h sdphrhtd

pcbturd hmn tfd S+ Brhmn Bl `htrcbds hrd dmbandn sdphrhtdkyuscmg OZDG

Cirh`ds tfd ba`prdsscam kdvdk cs s`hkk

^fdy hrd gaan iar tfd icrst irh`d rdkhtcmg ta h mdw sbdmd cm h`avcd

C-irh`ds `ust ld rdpdhtdn ht rdgukhr cmtdrvhks ta hvacnkascmg tfd wfakd pcbturd hs nurcmg trhms`csscam ct bhm gdt

barruptdn hmn fdmbd kaasds tfd irh`d ^fd mu`ldr ai irh`ds!pcbturds ldtwddm subbdsscvd C-irh`ds

cs emawm hs h graup ai pcbturds &GAZ# ^ypcbhk vhkuds aiGAZ hrd 2 - 8


5/25

Ycnda Ba`prdsscamZ irh`ds

^fd dmbancmg ai tfd Z-irh`d cs rdkhtcvd ta tfd bamtdmts aidctfdr h prdbdncmg C-irh`d ar h prdbdncmg Z-irh`d

Z-irh`ds hrd dmbandn uscmg h ba`lcmhtcam aiàtcamdstc`htcam hmn àtcam ba`pdmshtcam

^fd hbburhby ai tfd prdncbtcamapdrhtcam cs ndtdr`cmdn ly

faw wdkk hmy àvd`dmt ldtwddm subbdsscvd irh`ds csdstc`htdn ^fcs cs emawm hs tfd àtcam dstc`htcam

Rcmbd tfd dstc`htcam cs mat dxhbt+ hnnctcamhk cmiar`htcamùst hksa ld sdmt ta cmncbhtd hmy s`hkk nciidrdmbds ldtwddm

tfd prdncbtdn hmn hbtuhk pasctcams ai tfd àvcmg sdg`dmtscmvakvdn ^fcs cs emawm hs tfd àtcam ba`pdmshtcam

Ma ai Z irh`ds ldtwddm C-irh`ds cs kc`ctdn ta hvacn drrarpraphghtcam
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6/25

Ycnda Ba`prdsscamIrh`d Rdqudmbds

C-+ Z- hmn L-irh`ds

Dhbf irh`d cs trdhtdn hs h sdphrhtd &ncgctczdn# pcbturd hmn tfdS+ Bl hmn Br`htrcbds hrd dmbandn cmndpdmndmtky uscmg tfd

OZDG hkgarctf` &NB^+ Xuhmtczhtcam+ dmtrapy dmbancmg#

dxbdpt tfht tfd quhmtczhtcam tfrdsfakn vhkuds tfht hrd usdn hrd

tfd sh`d iar hkk NB^ badiicbcdmts
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7/25

Ycnda Ba`prdsscamZL-Irh`ds

H iaurtf typd ai irh`d emawm hs ZL-irh`d fhs hksa lddm

ndicmdn5 ct nads mat rdidr ta h mdw irh`d typd hs subf lut

rhtfdr tfd why twa mdcgflaurcmg Z- hmn L-irh`ds hrd dmbandn

hs ci tfdy wdrd h scmgkd irh`d


8/25

Ycnda Ba`prdsscam

@atcam dstc`htcam cmvakvds ba`phrcmg s`hkk sdg`dmts aitwa bamsdbutcvd irh`ds iarnciidrdmbds hmn sfaukn hnciidrdmbd ld ndtdbtdn h sdhrbf cs bhrrcdn aut ta ndtdr`cmdwfcbf mdcgflaurcmg sdg`dmts tfd arcgcmhk sdg`dmt fhsàvdn

â kc`ct tfd tc`d iar sdhrbf tfd ba`phrcsam cs kc`ctdn ta idwsdg`dmts

Wares wdkk cm skaw àvcmg hppkcbhtcams kced vcndatdkdpfamy

Iar ihst àvcmg vcnda ct wckk mat ware diidbtcvdky Fdmbd L-irh`ds &Lc-ncrdbtcamhk# hrd usdn ^fdcr bamtdmts hrdprdncbtdn uscmg tfdphsthmn tfdiuturd irh`ds

L- irh`ds pravcnds fcgfdst kdvdk ai ba`prdsscam hmn

ldbhusd tfdy hrd mat cmvakvdn cm tfd bancmg ai atfdr irh`dstfd na mat ra h htd drrars


9/25

Ycnda Ba`prdsscamZ-irh`d

dmbancmg

^fd ncgctczdn bamtdmts ai tfd S htrcx hssabchtdn wctf dhbf

irh`d hrd icrst ncvcndn cmta h twa-nc`dmscamhk `htrcx ai 89 V

89 pcxdks emawm hs h `hbralkabe


10/25

Ycnda Ba`prdsscam- Z-irh`d dmbancmg

> NB^ lkabes iar tfd ku`cmhmbd scgmhks cm tfd dxh`pkd fdrd

hmn 8 dhbf iar tfd twa bfra`cmhmbd scgmhks hrd usdn ^a dmband h p-irh`d tfd bamtdmts ai dhbf `hbralkabe cm tfd

irh`demawm hs tfd thrgdt irh`d hrd ba`phrdn am h pcxdk-

ly-pcxdk lhscs wctf tfd bamtdmts ai tfd C ar Z irh`ds

&rdidrdmbd irh`ds#

Ci h bkasd `htbf cs iaumn tfdm amky tfd hnnrdss ai tfd

`hbralkabe cs dmbandn

Ci h `htbf cs mat iaumn tfd sdhrbf cs dxtdmndn ta bavdr hmhrdh hraumn tfd `hbralkabe cm tfd rdidrdmbd irh`d


11/25

Ycnda Ba`prdsscamZ-irh`d dmbancmg

^a dmband h Z-irh`d+ tfd bamtdmts ai dhbf `hbralkabe cm tfd

irh`d &thrgdt irh`d# hrd ba`phrdn am h pcxdk-ly-pcxdk lhscs

wctf tfd bamtdmts ai tfd barrdspamncmg `hbralkabe cm tfd

prdbddncmg C- ar Z-irh`d


12/25


13/25

Ycnda Ba`prdsscam- L-irh`d dmbancmg

â dmband L-irh`d hmy àtcam cs dstc`htdn wctf rdidrdmbd

ta latf tfd prdbdncmg C ar Z irh`d hmn tfd subbddncmg Z ar Cirh`d

^fd àtcam vdbtar hmn nciidrdmbd `htrcbds hrd ba`putdn

uscmg icrst tfd prdbdncmg irh`d hs tfd rdidrdmbd irh`d hmn

tfdm tfd subbddncmg irh`d hs tfd rdidrdmbd ^fcrn àtcam vdbtars hmn sdt ai nciidrdmbd + `htrcbds hrd

tfdm ba`putdn uscmg tfd thrgdt hmn tfd `dhm ai tfd twa

atfdr prdncbtdn sdt ai vhkuds

^fd sdt wctf tfd kawdst sdt ai nciidrdmbd `htrcbds cs bfasdm

hmn cs dmbandn


14/25

Ndbancmg ai C+ Z+ hmn L irh`ds

C-irh`ds ndband c``dnchtdky ta rdbrdhtd arcgcmhk irh`d

Z-irh`ds tfd rdbdcvdn cmiar`htcam cs ndbandn hmn tfdrdsuktcmg cmiar`htcam cs usdn wctf tfd ndbandn bamtdmts aitfd prdbdncmg C!Z irh`ds &twa luiidrs hrd usdn#

L-irh`ds tfd rdbdcvdn cmiar`htcam cs ndbandn hmn tfd

rdsuktcmg cmiar`htcam cs usdn wctf tfd ndbandn bamtdmts aitfd prdbdncmg hmn subbddncmg Z ar C irh`d &tfrdd luiidrshrd usdn#

ZL-irh`d

H mdw irh`d typd sfawcmg faw twa mdcgflaurcmg Z hmnL irh`ds hrd dmbandn hs ci tfdy wdrd h scmgkd irh`d


15/25

Ycnda Ba`prdsscamC`pkd`dmthtcam

sbfd`htcbC-irh`ds

^fd dmbancmg prabdnurd usdn iar tfd `hbralkabes tfht `hed

up hm C-irh`d cs tfd sh`d hs tfht usdn cm tfd OZDG sthmnhrn ta

dmband dhbf 6 x 6 lkabe ai pcxdks


16/25

C`pkd`dmthtcam Cssuds

C-irh`d sh`d hs OZDG c`pkd`dmthtcam

INB^+ Xuhmtczhtcam+ dmtrapy dmbancmg Hssu`cmg > lkabes iar tfd ku`cmhmbd hmn < lkabes iar tfd

bfra`cmhmbd+ dhbf `hbralkabe waukn rdqucrd scx 6x6

pcxdk lkabes ta ld dmbandn


17/25

C`pkd`dmthtcam Cssuds- Z-irh`ds

Cm tfd bhsd ai Z-irh`ds tfd dmbancmg ai dhbf `hbralkabecs ndpdmndmt am tfd autput ai tfd `atcam dstc`htcam umctwfcbf+ cm turm+ ndpdmns am tfd bamtdmts ai tfd`hbralkabes ldcmg dmbandn hmn tfd bamtdmts ai tfd`hbralkabe cm tfd sdhrbf hrdh ai tfd rdidrdmbd irh`d tfht

pranubds tfd bkasdst `htbf ^fdrd hrd tfrdd passclckctcds?

- Ci tfd twa bamtdmts hrd tfd sh`d+ amky tfd hnnrdss ai tfd`hbralkabe cm tfd rdidrdmbd irh`d cs dmbandn

- Ci tfd twa bamtdmts hrd vdry bkasd+ latf tfd `atcam vdbtarhmn tfd nciidrdmbd `htrcbds hssabchtdn wctf tfd`hbralkabe cm tfd rdidrdmbd irh`d hrd dmbandn

- Ci ma bkasd `htbf cs iaumn+ tfdm tfd thrgdt `hbralkabe csdmbandn cm tfd sh`d why hs h `hbralkabe cm hm C-irh`d
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18/25


19/25

Ycnda Ba`prdsscamC`pkd`dmthtcam

sbfd`htcbL-irh`ds

^fd sh`d prdvcaus prabdnurd cs iakkawdn iar dmbancmg L-

irh`ds dxbdpt latf tfd prdbdncmg &rdidrdmbd# hmn tfd

subbddncmg irh`d ta tfd thrgdt irh`d hrd cmvakvdn

Ycn B c k


20/25

Ycnda Ba`prdsscamdxh`pkd

`hbralkabe dmbandn lctstrdh` iar`ht


21/25

C`pkd`dmthtcam Cssuds - Lctstrdh`

iar`ht Iar dhbf `hbralkabe ct cs mdbdsshry ta cndmtciy tfd typd ai

dmbancmg tfht fhs lddm usdn ^fcs cs tfd rakd ai tfdiar`httdr

^ypdcmncbhtds tfd typd ai irh`d dmbandn C+ Z arL

Hnnrdsscndmtcicds tfd kabhtcam ai tfd `hbralkabe cm tfdirh`d

Xuhmtczhtcam Yhkudcs tfd vhkud usdn ta quhmtczd hkk tfdNB^ badiicbcdmts cm tfd `hbralkabe

@atcam vdbtardmbandn vdbtarLkabe rdprdsdmthtcamcmncbhtds wfcbf ai tfd scx 6V6

lkabes tfht `hed up tfd `hbralkbaehrd prdsdmt

L8+ L


22/25

Ycnda Ba`prdsscam@ZDG-8 dxh`pkd

irh`d sdqudmbd

Tsds h sc`ckhr vcnda ba`prdsscam tdbfmcqud hs F


23/25

Zdriar`hmbd

Ba`prdsscam iar C-irh`ds hrd sc`ckhr ta OZDG iar Ycnda

typcbhkky 8:?8 tfraugf ta


24/25

@ZDG

@ZDG-8 CRA \dba``dmnhtcam 8887< usds rdsakutcam ai

24


25/25

@ZDG

@ZDG->? Tsdn iar cmtdrhbtcvd `uktc`dnch hppkcbhtcams

avdr tfd Cmtdrmdt hmn avdr vhrcaus dmtdrthcm`dmt mdtwares

@ZDG sthmnhrn bamthcms idhturds ta dmhlkd h usdr mat amkyta phsscvdky hbbdss h vcnda sdqudmbd uscmg iar dxh`pkdtfd sthrt!stap! lut hksa dmhlkds tfd `hmcpukhtcam ai tfdcmncvcnuhk dkd`dmts tfht `hed up h sbdmd wctfcm h vcnda

Cm @ZDG-> dhbf vcnda irh`d cs sdg`dmtdn cmta h mu`ldraivcnda alodbt pkhmds &YAZ# dhbf ai wfcbf wckkbarrdspamn ta hm HYA &Hunca vcsuhk alodbt# ai cmtdrdst

Dhbf hunca hmn vcnda alodbt fhs h sdphrhtd alodbtndsbrcptar hssabchtdn wctf ct wfcbf hkkaws tfd alodbt

pravcncmg tfd brdhtar ai tfd hunca hmn !ar vcnda fhspravcndn tfd ihbckctyta ld `hmcpukhtdn ly tfd vcdwdrprcar ta ct ldcmg ndbandn hmn pkhydn aut

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