Maka: ukufanisa isithombe
I-Algorithm-based Low Power VLSI Architecture Ye-2d-Mesh Video Object Tracking
Isakhiwo esisha se-VLSI sento yevidiyo (I-VO) ukulandelela ukunyakaza kusebenzisa inoveli yokulandelana kwe-adaptha ye-mesh topology. Imeshi ehlelekile inikezela ngokuncipha okukhulu kwenani lamabhithi achaza i-mesh topology. Ukunyakaza kwama-mesh nodes kumelela ukuguqulwa kwe-VO. Isinxephezelo sokunyakaza senziwa kusetshenziswa i-algorithm engaphindaphindeki yokuguqulwa kwe-affine, kunciphisa kakhulu inkimbinkimbi ye-decoder architecture. Ukufaka amapayipi iyunithi ehambisanayo kunikela ngokonga amandla okukhulu. Isakhiwo sokulandelela ukunyakaza kwe-VO sisekelwe ku-algorithm entsha. Iqukethe izingxenye ezimbili eziyinhloko: iyunithi yokulinganisa ukunyakaza kwento yevidiyo (IVOME) kanye neyunithi yesinxephezelo sokunyakaza kwento yevidiyo (I-VOMC). I-VOME icubungula amafreyimu amabili alandelayo ukuze ikhiqize inetha elihlelekile eliguquguqukayo lesigaba kanye namavekhtha anyakazayo wamanodi anezikhala. Isebenzisa amayunithi wesilinganiso sebhulokhi ehambisanayo ukuze kuthuthukiswe ukubambezeleka. I-VOMC icubungula uhlaka lwereferensi, ama-mesh node nama-motion vectors ukubikezela uhlaka lwevidiyo. Isebenzisa imicu ehambisanayo lapho umucu ngamunye usebenzisa iketango elifakwe ngamapayipi lamayunithi ahambisanayo angakala.. Le algorithm yesinxephezelo esinyakazayo ivumela ukusetshenziswa kweyunithi eyodwa elula yokuguquguquka ukuze kumephu isakhiwo sesigaba. Iyunithi ehambisanayo isonta ukuthungwa kwesichibi kunoma yiliphi izinga le-hierarchical mesh ngokuzimela. Iphrosesa isebenzisa iyunithi yokulinganisa inkumbulo, ehlanganisa inkumbulo kumayunithi afanayo. I-architecture yenziwe i-prototype kusetshenziswa indlela yokuklama yamandla aphansi asuka phansi phezulu. Ukuhlaziywa kokusebenza kubonisa ukuthi le processor ingasetshenziswa ezinhlelweni zevidiyo ezisekelwe entweni eziku-inthanethi ezifana ne-MPEG-4 ne-VRML.
U-Wael Badawy noMagdy Bayoumi, amasistimu asakazwa kabanzi emadolobheni amaningi ukuze athole izehlakalo zomgwaqo ukuze ahlinzeke ngokushelelaI-Algorithm-based Low Power VLSI Architecture Ye-2d-Mesh Video Object Tracking,” I-IEEE Transaction on Circuits and Systems for Video Technology, Vol. 12, Cha. 4, April 2002, pp. 227-237
I-Affine Based Algorithm kanye ne-SIMD Architecture yokucindezelwa kwevidiyo enezinhlelo zokusebenza ze-Bit-rate ephansi
Leli phepha lethula i-algorithm entsha esuselwe ku-affine kanye nesakhiwo se-SIMD sokuminyanisa ividiyo ngezinhlelo zokusebenza ze-bit rate ephansi.. I-algorithm ehlongozwayo isetshenziselwa ukulinganisa ukunyakaza okususelwe ku-mesh futhi ibizwa ngokuthi i-algorithm yokumatanisa isikwele esekwe nge-mesh. (MB-SMA). I-MB-SMA inguqulo eyenziwe lula ye-algorithm yokumadanisa ene-hexagonal [1]. Kule algorithm, I-mesh engunxantathu yesokudla isetshenziselwa ukuzuza ku-algorithm yamahhala yokuphindaphinda okwethulwa kuyo [2] ukuze uhlanganise amapharamitha ahambisanayo. I-algorithm ehlongozwayo inezindleko zekhompyutha eziphansi kune-algorithm yokufanisa eyi-hexagonal kuyilapho ikhiqiza cishe isilinganiso esifanayo sesignali-kuya-nomsindo ofanayo. (I-PSNR) amanani. I-MB-SMA idlula ama-algorithms esilinganiso sokunyakaza asetshenziswa kakhulu ngokuya ngezindleko zokubala., ukusebenza kahle kanye nekhwalithi yevidiyo (i.e., I-PSNR). I-MB-SMA isetshenziswa kusetshenziswa ukwakheka kwe-SIMD lapho inani elikhulu lezinto zokucubungula lishumekwe namabhulokhi e-SRAM ukuze kusetshenziswe umkhawulokudonsa omkhulu wenkumbulo yangaphakathi.. Izidingo zesakhiwo esihlongozwayo 26.9 ms ukucubungula uhlaka lwevidiyo olulodwa lwe-CIF. Ngakho-ke, ingacubungula 37 CIF ozimele/s. Isakhiwo esihlongozwayo senziwe kusetshenziswa i-Taiwan Semiconductor Manufacturing Company. (I-TSMC) 0.18-Ubuchwepheshe be-μm CMOS kanye nama-SRAM ashumekiwe akhiqizwe kusetshenziswa i-Virage Logic memory compiler.
Ishicilelwe ku:
Izifunda kanye Nezinhlelo Zobuchwepheshe Bevidiyo, I-IEEE Transactions ivuliwe (Ivolumu:16 , Inkinga: 4 )
- Ikhasi(s):
- 457 – 471
- ISSN :
- 1051-8215
- Inombolo yokungena ye-INSPEC:
- 8891917
- I-DOI:
- 10.1109/I-TCSVT.2006.872780
- Usuku Lokushicilela :
- April 2006
- Idethi Yenguqulo Yamanje :
- 01 Meyi 2006
- Usuku okukhululwa ngalo :
- April 2006
- Ixhaswe ngu :
- I-IEEE Circuits and Systems Society
- Umshicileli:
- USomlomo owine imiklomelo
Emuva ohlwini oluphelele lwe Amaphepha Ejenali Abuyekezwe Kontanga
Mohammed Sayed , Wael Badawy, “I-Affine Based Algorithm kanye ne-SIMD Architecture yokucindezelwa kwevidiyo enezinhlelo zokusebenza ze-Bit-rate ephansi“, I-IEEE Transactions on Circuits and Systems for Video Technology, Vol. 16, Inkinga 4, pp. 457-471, April 2006. Abstract