Guhindura imigezi
Kuzenguruka gutemba ni moderi yibyara ihindura urusaku rworoshye (nka Gaussiya) mumibare igoye binyuze mumurongo wimpinduka zidahinduka, zitandukanye.
Incamake
Because every step is reversible, they can both generate new samples and compute the exact probability of any data point.
Kwibira cyane
Isanzwe risanzwe ryiga bijective (imwe-imwe-imwe, idahinduka) ikarita hagati yikwirakwizwa ryibanze ryoroshye nogukwirakwiza intego igoye nkamashusho cyangwa amajwi. Uratondekanya ibice byinshi bidasubirwaho; kubayobora imbere bitera urusaku rwa Gaussiya mubitegererezo bifatika, no kubikoresha ikarita isubira inyuma amakuru nyayo asubira murusaku. Amayeri asobanura ni ihinduka-ryimihindagurikire, igufasha kubara ibishoboka byose ukurikirana uburyo buri mpinduka irambuye cyangwa igabanya ingano ikoresheje kugena kwa Yakobo. Bitandukanye na VAEs (igereranya bishoboka) cyangwa GAN (idatanga na kimwe), imigezi itanga ubwinshi, bworoshye. Ikibazo cyubwubatsi ni ugushushanya ibice byerekana nyamara bikomeza kugena Jacobian kugena kubara, nko muri RealNVP, Glow, na autoregressive flow.
Ubushishozi
Imibare yibanze ni ihinduka-ryibihinduka: log p (x) = log p (z) + log | det (dz / dx) |, aho z ni urusaku rwashizwe mumibare x. Igenamigambi ryiza rya Jacobian rigura O (n ^ 3), bityo rero imigezi ikoresha imyubakire yubwenge, guhuza ibice (RealNVP, Glow) igabanya ibipimo bityo Yakobo ni inyabutatu, cyangwa imiterere ya autoregressive (MAF / IAF), bigatuma igenamigambi ari ibicuruzwa byamagambo ya diagonal bityo bikaba bihendutse kubisuzuma.
Ingaruka z'Ingamba
Igiciro na bije
Ibyemezo byubwubatsi bitwara imikorere nigiciro cyimikorere kumyaka.
Ibyemezo bisobanutse
Ubuhanga bwa tekinike bufasha amakipe guhitamo umurongo ukwiye, ntabwo ari shyashya gusa.
Kugenzura ubuziranenge
Guhitamo neza bya injeniyeri bigabanya ibintu byizewe mubikorwa.
Ejo hazaza h'ibisanzwe bitemba
Ibisanzwe byuzuye bigenda byuzuzwa nuburyo bwo gukwirakwiza ubuziranenge bwibishusho, ariko ibitekerezo bitemba byongeye. Ibihe bikomeza (guhora usanzwe utemba, neural ODEs) cyane cyane guhuza imigezi, uburyo bwo guhugura inyuma ya sisitemu nka Stable Diffusion 3 hamwe na generator nyinshi zigezweho, gusubiramo ibisekuruza nkukwiga umurima wihuta utwara urusaku kumakuru. Tegereza imigezi igume hagati aho bishoboka rwose, bidashoboka, cyangwa ibintu byihutirwa byerekana ibintu, kandi bigakomeza guhuza ibitekerezo hamwe no gukwirakwizwa.
Gushyira mu bikorwa Isi
Kugereranya ubucucike no gutahura ibintu bidasanzwe, aho bishoboka rwose ko ibendera ryerekana ibicuruzwa bike (anomalous) byinjira muburiganya, gukora, cyangwa gukurikirana imiyoboro
Ijambo ryizerwa cyane-synthesis, urugero, Parallel WaveNet na WaveGlow, ikoresha imigezi kugirango itange amajwi mbisi yihuta.
Imyanzuro itandukanye, aho Inverse Autoregressive Flows ikora posteri zigereranijwe mubyitegererezo bya Bayesian na VAEs byoroshye
Kwerekana imiterere ya fiziki na chimie ikwirakwizwa, nka generator ya Boltzmann yerekana ibishushanyo mbonera ukurikije ingufu zabo
Ingaruka & Kurinda
Gutezimbere igipimo kimwe gishobora guhisha intege nke za sisitemu.
Ibikorwa Remezo no kubungabunga akenshi usanga bidahabwa agaciro.
Icyuho cyumutekano no kwitegereza birashobora kwiyongera uko sisitemu igenda igorana.
Igishushanyo mbonera
Sobanura ubukererwe, ubuziranenge, nigiciro cyibiciro mbere yo kubishyira mubikorwa.
Ibipimo byerekana umutwaro ufatika hamwe namakuru yimiterere.
Gukurikirana ibikoresho kubikosa, drift, ningaruka zabakoresha.
Tegura inzira yo gusubiza ibyabaye mbere yo gupima.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
WaveGlow Flow-ishingiye kuri Vocoder
Ibibazo bikunze kubazwa
What is Normalizing Flows?
Kuzenguruka gutemba ni moderi yibyara ihindura urusaku rworoshye (nka Gaussiya) mumibare igoye binyuze mumurongo wimpinduka zidahinduka, zitandukanye. Kuberako buri ntambwe isubirwamo, irashobora kubyara ibyitegererezo bishya no kubara bishoboka rwose ko amakuru yatanzwe.
Ni ubuhe buryo bw'imibare bugomba guhinduka muburyo busanzwe bugira?
Urujya n'uruza rushingiye ku guhinduka kudahinduka, gutandukana kuburyo amakuru ashobora gushushanywa n urusaku ninyuma, hanyuma rero impinduka-zimpinduka zikoreshwa.
Nihe formula ireka ibisanzwe bitemba bibara bishoboka?
log p (x) = log p (z) + log | det (Jacobian) | konte yukuntu impinduka irambuye cyangwa igabanya ubunini bushoboka, itanga ubucucike nyabwo.
Ni ukubera iki imyubakire yububiko nka RealNVP na Glow ikoresha guhuza ibice?
Guhuza ibice bihindura igice gusa cyibipimo bishingiye kubisigaye, bikabyara Yakobo ya mpandeshatu igenamigambi ni ibicuruzwa bya diagonal gusa, bihendutse cyane kurenza O (n ^ 3).
Ugereranije na GAN, ni izihe nyungu zidasanzwe gukora ibisanzwe bitanga?
GAN ntizitanga ubucucike butomoye, mugihe imigezi ibara neza log-bishoboka, ifite akamaro mukugereranya ubucucike no gutahura anomaly.
Ni ubuhe buryo bukoreshwa muburyo busanzwe bwo gutembera neza?
Kuberako urujya n'uruza rutanga ubucucike nyabwo, inyongeramusaruro zifite amahirwe make cyane zishobora gushyirwa ahagaragara nkibidasanzwe muburiganya, gukora, cyangwa kugenzura.