Njirimara netwọk pyramid
Netwọk pyramid na-egosipụta (FPN) na-ahapụ ndị na-achọpụta ihe ka ha hụ ihe n'ogo dị iche iche site n'ịrụ ọtụtụ 'pyramid' nke atụmatụ ọnụ ala.
Nchịkọta
They are the reason modern detectors find both a tiny faraway pedestrian and a huge nearby truck in the same image.
Ime miri emi
Ihe ndị dị na onyonyo na-apụta n'ọtụtụ ihe ọ̀tụ̀tụ̀, na otu map atụmatụ na-agbasi mbọ ike ijikwa ha niile. Ụzọ ochie wulitere pyramid oyiyi site n'ịgbanwe foto ahụ ọtụtụ oge na ịgba ọsọ netwọk na nnomi ọ bụla, nke na-adịghị ngwa ngwa. FPN, nke Lin et al webatara. na 2017, kama jigharịa pyramid eke emelarị n'ime netwọk mmekọrịta. Ọkpụkpụ azụ dị ka ResNet na-emepụta maapụ atụmatụ na-adị ntakịrị ma na-emekwu nke ọma na netwọkụ. FPN na-agbakwụnye ụzọ mgbada dị elu: ọ na-egosiputa njiri mara omimi, nke nwere ọgụgụ isi wee jikọta ha site na njikọ mpụta nwere njirimara na-emighị emi, nke dị elu. Ihe si na ya pụta bụ maapụ atụmatụ niile siri ike n'usoro ma na-edobe nkọwa gbasara oghere dị mma, na-emewanye nchọpụta obere ihe n'ụzọ na-enweghị ego ọ bụla.
Nghọta nka nka
FPN nwere ụzọ mgbago elu (ọkpụkpụ azụ) yana ụzọ mgbada elu. A na-eji 2x (onye agbataobi kacha nso) kwalite ọkwa ọ bụla gbadara agbadata wee gbakwunye ihe-amamihe na maapụ akụkụ mpụta 1x1 gbakọtara nke mkpebi dakọtara. Mgbakọ 3x3 na-emezigharị maapụ ọ bụla jikọtara ọnụ iji belata aha. Nke a na-ewepụta ọkwa P2-P5 yana ọnụọgụ ọwa edobere (mgbe 256), nke ọ bụla na-arụ ọrụ ịchọpụta ihe dị n'otu nha.
Mmetụta atụmatụ
Ọsọ na ọnụ ọgụgụ
Visual AI nwere ike megharịa nyocha, nchọpụta na mkpado ọrụ n'ọtụtụ.
Mee nhọrọ
Otu ndị na-emepụta ihe nwere ike imepụta echiche ngwa ngwa site na ngbanwe akwụkwọ ntuziaka ole na ole.
Team na usoro ọrụ
Ọrụ nwere ike iji onyonyo na akara vidiyo siri ike ịhazi.
Ọdịnihu nke netwọkụ pyramid atụmatụ
Nhazi elu nke FPN amụbaala ọtụtụ ndị ga-anọchi anya: PANet na-agbakwụnye ụzọ mgbago elu, BiFPN (eji na EfficientDet) na-eme ka fusion mụta ihe na bidirectional nwere njikọ dị arọ, yana NAS-FPN na-achọ njikọ topology ozugbo. Ihe nchọpụta ntụgharị dị ka DETR n'akụkụ kwụpụ pyramid doro anya, mana ngwakọta ọtụtụ ọnụọgụ ka bụ etiti. Na-atụ anya ka echiche ụdị FPN ga-adịgide n'ime ndị ntụgharị ọhụụ yana ndị na-achọpụta ngwaọrụ na-arụ ọrụ nke ọma, na-abawanye site na nha mmụta mmụta, na-agbanwe agbanwe karịa njikọ edoziri.
Mmejuputa n'ezie n'ụwa
Ịchọta obere, ndị ji ụkwụ aga na nnukwu ụgbọ ala dị nso n'otu oge n'ime oghere nghọta ụgbọ ala na-anya onwe ya.
Nkebi ihe atụ na-enye ike na Mask R-CNN, ebe FPN na-enye atụmatụ dị iche iche na atụmatụ mpaghara na isi ihe mkpuchi.
Ịhụ obere etuto ahụ n'akụkụ akụkụ ahụ buru ibu na pipeline nchọpụta onyonyo ahụike
Ịchọta ihe dị iche iche dị na satịlaịtị na ihe oyiyi ikuku, site na obere ụgbọ mmiri gaa na nnukwu ụlọ
Ihe ize ndụ & okporo ụzọ nche
Ikike onyonyo na nkwenye nwere ike bụrụ ihe egwu dị n'iwu ma ọ bụrụ na edoghị anya.
Ọrụ nlereanya nwere ike ịdịgasị iche n'ofe ọkụ, igwe mmadụ, na gburugburu.
Enwere ike ghara ịhụ ihe dị mma ma ọ bụrụ na enyochaghị oke ntụkwasị obi.
Map mmejuputa
Kọwaa ụkpụrụ nnabata maka nkenke, icheta, na ụgwọ njehie.
Nwalee na data dabara na ọnọdụ mmepụta n'ezie.
Tinye nyocha mmadụ maka obere obi ike ma ọ bụ amụma mmetụta dị elu.
Sochie ihe nlere anya wee megharịa ka emechara mgbanwe igwefoto ma ọ bụ dataset.
Nọgide na-eme nchọpụta
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Ntuziaka na-esote
Netwọk Transformer oghere
Ajụjụ a na-ajụkarị
What is Feature Pyramid Networks?
Netwọk pyramid na-egosipụta (FPN) na-ahapụ ndị na-achọpụta ihe ka ha hụ ihe n'ogo dị iche iche site n'ịrụ ọtụtụ 'pyramid' nke atụmatụ ọnụ ala. Ọ bụ ya mere ndị nchọpụta ọgbara ọhụrụ ji chọta ma otu obere onye ji ụkwụ aga ebe dị anya na nnukwu gwongworo dị nso n'otu ihe oyiyi ahụ.
Kedu isi nsogbu nke netwọk Pyramid atụmatụ na-edozi nke ọma?
FPN na-ewulite ihe njiri mara ọtụtụ ka onye nchọta nwee ike ijikwa ihe sitere na obere ruo nke ukwuu n'otu ngafe.
Na FPN, gịnị bụ ọrụ nke ụzọ elu-agbada?
Ụzọ mgbada dị n'elu na-ebuli ihe omimi dị omimi, njirimara nkọwa wee jikọta ha na map ndị na-emighị emi, nke dị elu nke mere na ọkwa ọ bụla nwere nkọwa zuru ezu na nke siri ike.
Kedu ka esi ejikọta njikọ dị n'akụkụ yana atụmatụ elu-ala emelitere?
Mgbagha 1x1 na-edozi ọnụọgụ ọwa nke maapụ n'akụkụ, nke a na-agbakwunye ya na-amamihe na njiri elu-elu 2x gbagoro.
Kedu ihe kpatara eji etinye convolution 3x3 na maapụ njirimara ọ bụla jikọtara na FPN?
Mgbe mgbakwunye na amamihe nke mmewere, mgbagha 3x3 na-ebelata ihe arụrụ arụ nke ewepụtara site na nkwalite, na-ewepụta ọkwa pyramid dị ọcha.
Kedu ihe owuwu mechara gbatịa FPN nwere ngwakọta nwere ike mmụta, nke nwere nha nha?
BiFPN, ewebata ya na EfficientDet, na-eme atụmatụ ngwakọta bidirectional ma na-amụta nha maka otu ntinye nke ọ bụla si enye aka.