Ingero zishingiye ku mbaraga
Ingero zishingiye ku mbaraga (EBMs) ziga imikorere ya scalar 'ingufu' igenera indangagaciro nkeya kumibare yemewe hamwe nagaciro gakomeye kumibare idashoboka, isobanura ikwirakwizwa rishoboka utiriwe uhatira kuba byoroshye mubisanzwe.
Incamake
This flexibility makes them a unifying lens for much of machine learning, from classifiers to generative models.
Kwibira cyane
Icyitegererezo gishingiye ku mbaraga gisobanura ibishoboka binyuze mu gukwirakwiza Boltzmann (Gibbs): p (x) ihwanye na exp (-E (x)), aho E (x) ari imikorere y’ingufu yize, akenshi ni urusobe rw'imitsi. Imyitozo isunika imbaraga zamakuru yukuri kandi igatera imbaraga mubindi byose. Gufata nigikorwa cyo kugabana Z, igiteranyo cyangwa integuza ya exp (-E (x)) hejuru yinjiza zose zishoboka, ubusanzwe zidashobora kubara. EBMs rero zitozwa hamwe no kugereranya: gutandukanya itandukaniro, guhuza amanota, cyangwa kugereranya urusaku, no gutondekanya hakoreshejwe uburyo bwa MCMC nka dinamike ya Langevin ikurikiza ingufu za gradient. Ingero za kera zirimo imiyoboro ya Hopfield hamwe na Boltzmann Imashini zibujijwe; imirimo igezweho ihuza EBM na moderi yo gukwirakwiza, GAN, ndetse nibisanzwe byashyizwe mubikorwa bisobanurwa nkibikorwa byingufu.
Ubushishozi
Icyitegererezo gitanga ibishoboka p (x) = exp (-E (x)) / Z. Kuberako Z (ibisanzwe hejuru yinjiza zose) bidashoboka, ntushobora kubara bishoboka muburyo butaziguye. Ahubwo, amanota ahuye hamwe na Langevin ntangarugero ikoresha ko igipimo cya log p (x) kingana -gukwirakwiza E (x), Z rero ikamanuka. Imbaraga za Langevin noneho zitanga ingero zinyeganyeza x kumanuka mu mbaraga no kongeramo urusaku, ugenda werekeza ku mbaraga nkeya, bishoboka cyane.
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.
Kazoza k'ingufu zishingiye ku ngero
EBMs zishimira inyungu zongeye kubera ko zitanga ikiraro cyamahame hagati yikwirakwizwa ryikwirakwizwa, amanota ashingiye ku mibare itanga umusaruro, hamwe n’imiyoboro ivangura, amanota ikwirakwizwa ryiga ni mubyiciro byingufu. Tegereza sisitemu nyinshi zivanga zikoresha imbaraga zingirakamaro kugirango zihindurwe, zihuza imbaraga (zihuza imbaraga nyinshi kugirango ziyobore ibisekuruza), icyitegererezo cyiza kandi cyihuse kuruta MCMC, hamwe nibisabwa mugutekereza no gutegura aho 'shakisha iboneza-mbaraga nkeya' mubisanzwe byerekana ko ari byiza kandi bikanyurwa.
Gushyira mu bikorwa Isi
Imiyoboro ya Hopfield ikora nkububiko bwibutsa bwibutsa uburyo bwabitswe kuva urusaku cyangwa igice cyinjiza mugutuza imbaraga nke
Imashini zibujijwe za Boltzmann zikoreshwa mumateka mugukorera hamwe gushungura no kwerekana imiyoboro yimbitse
Gusobanura gusobanura ibyiciro bisanzwe nkicyitegererezo gishingiye ku mbaraga (inzira ya JEM) kugirango tunonosore kalibrasi, imbaraga, hamwe no gukwirakwiza hanze
Guhanura byubatswe no kubuza kunyurwa, aho ibisubizo biboneka mugabanya imbaraga zize hejuru yimpinduka nyinshi zikorana (urugero, kugereranya cyangwa gushushanya)
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.
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What is Energy-Based Models?
Ingero zishingiye ku mbaraga (EBMs) ziga imikorere ya scalar 'ingufu' igenera indangagaciro nkeya kumibare yemewe hamwe nagaciro gakomeye kumibare idashoboka, isobanura ikwirakwizwa rishoboka utiriwe uhatira kuba byoroshye mubisanzwe. Ihindagurika rituma bahuza lens kubwinshi bwo kwiga imashini, kuva mubyiciro kugeza kuri moderi yibyara.
Muburyo bushingiye ku mbaraga, ni gute ingufu zifitanye isano nibishoboka byamakuru?
Binyuze mu gukwirakwiza Boltzmann, p (x) iringaniza na exp (-E (x)), bityo amakuru yemewe ahabwa ingufu nke kandi bishoboka cyane.
Ni iki gituma imyitozo ishingiye ku mbaraga igora?
Kubara Z bisaba guteranya cyangwa guhuza exp (-E (x)) hejuru yumwanya wose winjiza, mubisanzwe ntibishoboka, guhatira uburyo bwo guhugura.
Nubuhe buryo bwo gutoranya bukoreshwa mugushushanya ingero muri EBM?
Imbaraga za Langevin zigenda zimura ingero zimanuka munsi yingufu zingirakamaro mugihe wongeyeho urusaku, ugahinduka mukarere gafite ingufu nke.
Kuki uburyo bwo guhuza amanota bushobora kwirinda kubara imikorere ya Z?
Kubera ko Z idashingiye kuri x, gutandukanya log p (x) kubijyanye na x irabihagarika, hasigara gusa ingufu za gradient, zikururwa.
Ninde muribi murugero rusanzwe rushingiye ku mbaraga?
Imiyoboro ya Hopfield nicyitegererezo cyambere gishingiye kububiko bubika imiterere nkingufu nkeya kandi ikabibutsa mugabanya ingufu.