Ihe onyonyo
Ihe onyonyo a na-ese foto bụ nka nke iwepụ isiokwu site na foto nwere akụkụ pikselụ zuru oke, nke nwere akụkụ transperent - na-ewere eriri ntutu ọ bụla nwere amamihe ma ọ bụ ihe na-emegharị ahụ.
Nchịkọta
Unlike simple segmentation, it estimates how much of each pixel belongs to the foreground.
Ime miri emi
Matting na-edozi nhazi nhazi: pikselụ ọ bụla a na-ahụ anya bụ ngwakọta nke agba ihu na agba agba, jikọtara ya na uru alfa n'etiti 0 na 1. Ihe mgbaru ọsọ bụ iji nwetaghachi alfa matte - ihe nkpuchi dị nro ebe 1 dị n'ihu n'ihu, 0 bụ nzụlite zuru oke, na ụkpụrụ nke akụkụ na-ejide mpaghara na-enweghị isi ma ọ bụ translucent. Nke a bụ nke mgbakọ na mwepụ emechabeghị nke a, yabụ ụzọ kpochapụwo dabere na akara mpịakọta nke onye ọrụ dọtara nke ọma n'ihu, ezigbo ndabere na mpaghara amabeghị. Ụzọ mmụta miri emi dị ka Deep Image Matting (2017) mụta ịkọ alfa ozugbo site na onyonyo na trimaps, ebe ụdị ọhụrụ na-enweghị trimap dị ka MODNet na Robust Video Matting na-atụle matte ozugbo site na eserese ma ọ bụ ndepụta kamera naanị.
Nghọta nka nka
Ihe nlereanya bụ isi bụ I = alfa*F + (1 - alpha)*B, ebe m bụ pikselụ, F na B bụ ihu ihu na agba agba, alfa bụkwa opacity. Site na ama ama atọ (pikselụ RGB) na amaghị ama, nsogbu ahụ chọrọ ụzọ ma ọ bụ ntụzịaka. Netwọk matting neural regress alpha site na iji encoder-decoder architectures, na-enwekarị ọkwa ndozi dị iche na-amụba akụkụ. Mfu na-ejikọta njehie amụma alfa na mfu ihe mejupụtara nke na-ejikọta amụma ahụ ma jiri ya tụnyere nke mbụ.
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 Foto Matting
Matting na-aga n'ihu n'ụzọ zuru oke na akpaaka, ezigbo oge, ọrụ na-enweghị mbelata na vidiyo - na-enyerịrị ike nnọchi ndabere na oku vidiyo. Nchọpụta na-akwalite mkpebi dị elu, ijikwa nghọta dị mgbagwoju anya dị ka iko na anwụrụ ọkụ, yana njikọta siri ike na ụdị nrụpụta maka ịgbanye ọkụ na nhazi enweghị nkebi. Na-atụ anya na matting ga-ejikọta na pipeline na-edezi mgbasa ozi, nke mere na bepụ isiokwu na idobe ya n'ime ihe ọhụrụ, ọkụ na-agbanwe agbanwe na-aghọ otu nzọụkwụ akpaghị aka na ngwaọrụ ndị ahịa.
Mmejuputa n'ezie n'ụwa
Nzụlite mebere na ọgbakọ vidiyo, na-edochi ọnụ ụlọ n'azụ ọkà okwu ozugbo
Ihe nkiri na ihe nkiri TV na-acha akwụkwọ ndụ akwụkwọ ndụ, na-ewepụta ndị na-eme ihe nkiri nwere akụkụ ntutu dị ọcha maka VFX
Foto ngwaahịa e-azụmahịa, na-edobe ihe na nzụlite ọcha dị ọcha na-akpaghị aka
Ụdị eserese na imepụta ihe mmado na ngwa ekwentị, na-ewepụ ndị mmadụ maka ikekọrịta mmekọrịta
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
Ihe onyonyo ederede-gaa na onyonyo
Ajụjụ a na-ajụkarị
What is Image Matting?
Ihe onyonyo a na-ese foto bụ nka nke iwepụ isiokwu site na foto nwere akụkụ pikselụ zuru oke, nke nwere akụkụ transperent - na-ewere eriri ntutu ọ bụla nwere amamihe ma ọ bụ ihe na-emegharị ahụ. N'adịghị ka akụkụ dị mfe, ọ na-eme atụmatụ ole pixel ọ bụla bụ nke ihu.
Kedu ihe alfa matte na-anọchi anya na foto matting?
Alfa bụ opacity nke ọ bụla-pixel: 1 zuru ihu n'ihu, 0 zuru oke n'azụ, yana ụmụ irighiri ihe na-ejide mpaghara dị nro ma ọ bụ nke doro anya.
Kedu ka matting si dị iche na nkebi ọnụọgụ abụọ?
Nkeji na-enye akara ihu ihu/n'azụ siri ike, ebe matting na-eweghachi ụkpụrụ alfa na-aga n'ihu maka nkọwa dị mma, ọkara-ụzọ doro anya.
Gịnị bụ trimap na kpochapụwo matting?
Mkpụkpọ ahụ na-ekewa ihe onyonyo a n'ihu ama ama, ndabere ama ama, yana otu egwu amabeghị ebe a ga-edozi alfa.
Kedu ihe ama ama gbasara ụdị dịka MODNet na Video Matting siri ike?
Netwọk ọhụrụ ndị a na-atụle alfa matte ozugbo site na eserese ma ọ bụ vidiyo na-achọghị mbelata nke onye ọrụ nyere.
Kedu ọnwụ na-ejikọta ya na njehie amụma alfa na matting miri emi?
Ọnwụ ihe mejupụtara ahụ na-emegharị ihu na azụ site na iji alfa buru amụma wee jiri nsonaazụ ya tụnyere ntinye, na-emeziwanye izi ezi.