Imiyoboro ya Pyramide
Imiyoboro ya Pyramide (FPN) reka reka disikete ibone ibintu mubunini butandukanye muburyo bwubaka 'pyramide' nini yibiranga bihendutse.
Incamake
They are the reason modern detectors find both a tiny faraway pedestrian and a huge nearby truck in the same image.
Kwibira cyane
Ibintu mumashusho bigaragara kumunzani myinshi, kandi ikarita imwe yikarita irwanira gukemura byose. Kera ishaje yubatswe amashusho piramide muguhindura ifoto inshuro nyinshi no gukoresha umuyoboro kuri buri kopi, yatinze. FPN, yatangijwe na Lin n'abandi. muri 2017, ahubwo yongera gukoresha piramide karemano isanzwe imbere murusobe rwemeza. Umugongo nka ResNet utanga amakarita aranga ibintu bigenda biba bito kandi bisobanutse cyane murusobe. FPN yongeyeho inzira-hejuru yinzira: irerekana ibintu byimbitse, bisobanutse bikungahaye kandi ikabihuza ikoresheje guhuza impande zombi hamwe n’ibintu bito, bikemurwa cyane. Igisubizo ni urutonde rwikarita yibiranga byose birakomeye mubisobanuro nyamara bigakomeza neza neza ahantu hatandukanye, bitezimbere kuburyo bugaragara ibintu bito bitagaragara hafi yikiguzi cyinyongera.
Ubushishozi
FPN ifite inzira-epfo-ruguru (umugongo) n'inzira-hejuru-inzira. Urwego rwo hejuru-hasi urwego rwazamuwe na 2x (hafi-umuturanyi) kandi wongeyeho element-ubwenge kuri 1x1-ihujwe na karita yerekana ikarita ihuza imiterere. Kwemeza 3x3 noneho koroshya ikarita yahujwe kugirango igabanye aliasing. Ibi bitanga urwego P2-P5 hamwe numuyoboro uhamye (akenshi 256), buriwese ashinzwe kumenya ibintu byurwego runaka.
Ingaruka z'Ingamba
Umuvuduko n'igipimo
AI igaragara irashobora gukora igenzura, gutahura, no gutondekanya imirimo kurwego.
Build choices
Amakipe arema arashobora prototype ibitekerezo byihuse hamwe nintoki nkeya.
Itsinda hamwe nakazi
Ibikorwa birashobora gukoresha amashusho nibimenyetso bya videwo byari bigoye gutunganya.
Kazoza Kuranga Imiterere ya Pyramide
Igishushanyo mbonera cya FPN cyabyaye abasimbuye benshi: PANet yongeraho inzira-yo hejuru, BiFPN (ikoreshwa muri EfficientDet) ituma fusion yiga kandi igahuza ibyerekezo biremereye, kandi NAS-FPN ishakisha fonction topologiya mu buryo bwikora. Imashini zihindura nka DETR kuruhande rwa piramide zeruye, ariko guhuza byinshi bikomeza kuba hagati. Tegereza ibitekerezo-byuburyo bwa FPN kugirango bikomeze imbere muburyo bwo guhindura ibyerekezo no gukora neza kubikoresho bikoresha ibikoresho, bigenda byiyongera hamwe nubumenyi bwizewe, buringaniza imiterere aho guhuza neza.
Gushyira mu bikorwa Isi
Gutahura abanyamaguru bato, ba kure hamwe nibinyabiziga binini byegeranye icyarimwe mumodoka yo kwiyitirira imodoka
Gutanga urugero rwicyiciro muri Mask R-CNN, aho FPN igaburira ibintu byinshi murwego rwakarere hamwe nabayobozi ba mask
Kubona ibibyimba bito hamwe ningingo nini mumiyoboro yo kuvura amashusho
Gushakisha ibintu bitandukanye mubunini bwa satelite n'amashusho yo mu kirere, kuva mubwato buto kugeza ku nyubako nini
Ingaruka & Kurinda
Uburenganzira bwishusho hamwe no kwemererwa birashobora guhinduka ibyago byemewe n'amategeko niba ibimenyetso bidasobanutse.
Imikorere yicyitegererezo irashobora gutandukana kumurika, demografiya, nibidukikije.
Ibyiza byibinyoma birashobora kutamenyekana keretse niba ibyiringiro byateganijwe bikurikiranwa.
Igishushanyo mbonera
Sobanura ibipimo byo kwemererwa kugiciro, kwibutsa, nibiciro byamakosa.
Gerageza hamwe namakuru ajyanye nuburyo nyabwo bwo gukora.
Ongeraho isubiramo ryabantu kubwizere buke cyangwa guhanura cyane.
Kurikirana icyitegererezo cya drift hanyuma uhindurwe nyuma ya kamera cyangwa dataset ihinduka.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
Imiyoboro ihinduranya
Ibibazo bikunze kubazwa
What is Feature Pyramid Networks?
Imiyoboro ya Pyramide (FPN) reka reka disikete ibone ibintu mubunini butandukanye muburyo bwubaka 'pyramide' nini yibiranga bihendutse. Ninimpamvu za detektori zigezweho zisanga abanyamaguru ntoya na kamyo nini iri hafi mumashusho amwe.
Ni ikihe kibazo cyibanze Umuyoboro wa Pyramide ukemura cyane cyane?
FPN yubaka ibintu byinshi byerekana ibimenyetso kugirango detector ibashe gukora ibintu kuva kuri bito kugeza binini cyane muri pass imwe.
Muri FPN, ni uruhe ruhare rw'inzira yo hejuru-hasi?
Inzira yo hejuru-hepfo yinzira yerekana ibintu byimbitse, ibisobanuro kandi ikabihuza hamwe namakarita maremare, yikemurwa ryinshi kuburyo urwego rwose rurambuye kandi rukomeye.
Nigute amasano ahuza muburyo busanzwe hamwe nibintu byashyizwe hejuru hejuru-hasi?
Iyemezwa rya 1x1 rihindura umuyoboro wibara ryikarita iranga ikarita, hanyuma ikongerwaho ibintu-byubwenge kuri 2x-upsampled top-down feature.
Ni ukubera iki 3x3 yemeza ikoreshwa kuri buri karita yahujwe muri FPN?
Nyuma yibintu-byongeweho, 3x3 iyemeza igabanya ibihangano bitandukanya byatangijwe na upsampling, bitanga urwego rwiza rwa piramide.
Ni ubuhe bwubatsi nyuma bwaguye FPN hamwe yize, iremereye ibyerekezo byombi?
BiFPN, yatangijwe na EfficientDet, ikora ibiranga fusion ibyerekezo byombi kandi yiga uburemere bwukuntu buri kintu cyinjiza gitanga.