Dubawa
Haɓaka oda na biyu yana amfani da bayanan curvature (matrix Hessian na abubuwan haɓakawa na biyu) don ɗaukar matakai mafi wayo zuwa mafi ƙaranci, ba kawai gangara ba. Yana iya haɗuwa a cikin ƴan ƙaranci fiye da saukowa a fili, amma farashin ƙididdiga na ƙididdigewa yana sa ya zama mai wahala don ƙima.
Haɓaka oda na biyu da hanyoyin Newton ƙaƙƙarfan ginin fasaha ne wanda ke shafar ingancin samfuri, farashin kayayyakin more rayuwa, latency, da aminci a sikeli.
Zurfafa nutsewa
Zuriyar gradient kawai ya san gangara a halin yanzu, don haka yana ɗaukar ƙayyadaddun girman matakin da aka daidaita ko kuma yana fatan mafi kyau. Hanyar Newton ta ci gaba: tana kuma kallon yadda gangaren ke canzawa (curvature), wanda Hessian ya kama, matrix na duk abubuwan da suka samo asali na biyu. Sabuntawa yana ninka juzu'in Hessian ta hanyar gradient, wanda ke sake daidaita kowane shugabanci ta atomatik kuma ya faɗi kusa da mafi ƙanƙantar ƙa'ida ta gida. Don kwano mai kwarjini mai kyau, hanyar Newton ta kai ƙasa a mataki ɗaya. Kama yana da muni: samfurin tare da sigogin N yana da N-by-N Hessian, don haka adanawa da jujjuya shi yana kashe kusan ƙwaƙwalwar N-squared da lissafin N-cubed. Don cibiyoyin sadarwar biliyan-biliyan da ba zai yiwu ba, wanda shine dalilin da ya sa masu aiki ke amfani da ƙima mai rahusa.
Fahimtar Fasaha
Babban sabuntawar Newton shine x_new = x - H_inverse sau da gradient, inda H shine Hessian. Hanyoyin Quasi-Newton kamar BFGS da L-BFGS suna guje wa lissafin H kai tsaye ta hanyar gina kusantar juzu'in sa daga bambance-bambancen gradient masu zuwa. L-BFGS yana adana ƴan gradient na ƙarshe da matakan mataki maimakon cikakken matrix, yankan ƙwaƙwalwar ajiya daga N-squared zuwa ƙarami mai yawa na N yayin kiyaye yawancin saurin haɗuwa.
Jagorar Haɓaka oda na biyu da hanyoyin Newton
Haɓaka oda na biyu yana amfani da bayanan curvature (matrix Hessian na abubuwan haɓakawa na biyu) don ɗaukar matakai mafi wayo zuwa mafi ƙaranci, ba kawai gangara ba. Yana iya haɗuwa a cikin ƴan ƙaranci fiye da saukowa a fili, amma farashin ƙididdiga na ƙididdigewa yana sa ya zama mai wahala don ƙima. Haɓaka oda na biyu da hanyoyin Newton ƙaƙƙarfan ginin fasaha ne wanda ke shafar ingancin samfuri, farashin kayayyakin more rayuwa, latency, da aminci a sikeli. Don gina zurfin fahimta, bi da Ingantaccen oda na biyu da hanyoyin Newton a matsayin samfurin aiki, ba sifa ɗaya ba: ayyana sakamakon da ake so, fayyace zato, da raba abin da tsarin zai iya dogara da abin da har yanzu ke buƙatar yanke hukunci na ƙwararru.
A aikace, ƙungiyoyi masu ƙarfi da ke amfani da Ingantaccen oda na biyu da Hanyoyin Newton suna haɓaka gine-gine, bayanai, da zaɓin abubuwan more rayuwa akan dogaro da farashi. Suna rubuta ƙayyadaddun ƙa'idodin nasara, gwaji akan bayanan gaskiya da gudanawar aiki, da jujjuyawar bisa ga tsarin gazawar da aka lura maimakon cin nasara na lokaci ɗaya. Wannan shine inda fahimtar ka'idar ta juya zuwa iyawa mai dorewa a cikin samfura, manufofi, da ayyuka.
Hukunce-hukuncen gine-gine suna haifar da aiki da tsadar aiki na shekaru. A lokaci guda, Haɓaka ma'auni ɗaya na iya ɓoye manyan raunin tsarin. Hanyar da ta fi dacewa ita ce haɗa saurin gwaji tare da horon gudanarwa: gudanar da matukin jirgi, kama shaida, buga rajistan ayyukan yanke shawara, da ci gaba da sabunta abubuwan tsaro kamar yadda halayen ƙira, tsammanin mai amfani, da buƙatun tsari ke tasowa.
Dabarun Tasiri
Hukunce-hukuncen gine-gine suna haifar da aiki da tsadar aiki na shekaru.
Hukunce-hukuncen gine-gine suna haifar da aiki da tsadar aiki na shekaru. A cikin ƙawance masu inganci, ana fassara wannan zuwa ƙa'idodin aiki waɗanda za a iya aunawa, iyakokin ikon mallaka, da kuma bita-da-kullin bita don ƙungiyoyi su iya haɓaka kwarin gwiwa a maimakon ɓata shakku.
Ilimin fasaha yana taimaka wa ƙungiyoyi su zaɓi tari mai kyau, ba kawai sabon abu ba.
Ilimin fasaha yana taimaka wa ƙungiyoyi su zaɓi tari mai kyau, ba kawai sabon abu ba. A cikin ƙawance masu inganci, ana fassara wannan zuwa ƙa'idodin aiki waɗanda za a iya aunawa, iyakokin ikon mallaka, da kuma bita-da-kullin bita don ƙungiyoyi su iya haɓaka kwarin gwiwa a maimakon ɓata shakku.
Zaɓuɓɓukan injiniya mafi kyau suna rage abin dogaro a cikin samarwa.
Zaɓuɓɓukan injiniya mafi kyau suna rage abin dogaro a cikin samarwa. A cikin ƙawance masu inganci, ana fassara wannan zuwa ƙa'idodin aiki waɗanda za a iya aunawa, iyakokin ikon mallaka, da kuma bita-da-kullin bita don ƙungiyoyi su iya haɓaka kwarin gwiwa a maimakon ɓata shakku.
Aiwatar da Gaskiyar Duniya
L-BFGS dacewa koma bayan dabaru da sauran nau'ikan ƙira a cikin scikit-koyi, inda sau da yawa yana bugun zuriyar ƙarami a kan ƙarami zuwa matsakaicin bayanan bayanan.
Daidaita damfara a cikin sake ginawa na 3D da SLAM, inda Gauss-Newton da Levenberg-Marquardt ke daidaita kamara da matsayi.
Horar da ƙananan hanyoyin sadarwar jijiya na ilimin kimiyyar lissafi inda L-BFGS ya cimma daidaito wanda Adam ke ƙoƙarin isa.
Shampoo da K-FAC suna haɓaka babban horo mai zurfi na koyo ta hanyar kusantar tsarin Hessian
Hanyoyin Aiwatarwa
Haɓaka oda na biyu da hanyoyin Newton a aikace
L-BFGS dacewa da koma bayan dabaru da sauran nau'ikan ƙira a cikin scikit-koyi, inda sau da yawa yana bugun zuriyar ƙarami akan ƙananan madaidaitan bayanan bayanai.
L-BFGS dacewa da koma bayan dabaru da sauran nau'ikan ƙira a cikin scikit-koyi, inda sau da yawa ke bugun zuriya mai zurfi akan ƙaramin zuwa matsakaicin bayanai Ƙungiyoyi yawanci suna samun ingantacciyar sakamako lokacin da suka ayyana ma'auni masu inganci a gaba, kiyaye hanyar haɓaka ɗan adam don ƙararraki, da bin diddigin nasarorin samarwa da ƙimar kuskure akan lokaci.
Haɓaka oda na biyu da hanyoyin Newton a aikace
Daidaita damfara a cikin sake ginawa na 3D da SLAM, inda Gauss-Newton da Levenberg-Marquardt ke daidaita kamara da matsayi.
Daidaita damfara a cikin sake ginawa na 3D da SLAM, inda Gauss-Newton da Levenberg-Marquardt ke inganta kyamarar kyamara da matsayi da matsayi Ƙungiyoyi yawanci suna samun sakamako mafi kyau lokacin da suke ayyana ma'auni masu inganci a gaba, kiyaye hanyar haɓakar ɗan adam don ƙararraki, da kuma bin diddigin duka abubuwan samarwa da ƙimar kuskure akan lokaci.
Haɓaka oda na biyu da hanyoyin Newton a aikace
Horar da ƙananan hanyoyin sadarwar jijiya na ilimin kimiyyar lissafi inda L-BFGS ya cimma daidaito wanda Adam ke ƙoƙarin isa.
Horar da ƙananan hanyoyin sadarwar jijiya na ilimin kimiyyar lissafi inda L-BFGS ya sami daidaiton cewa Adam yana gwagwarmaya don isa Ƙungiyoyi yawanci yana samun sakamako mafi kyau lokacin da suka ayyana ma'auni masu inganci a gaba, kiyaye hanyar haɓakar ɗan adam don ƙararraki, da bin diddigin nasarorin samarwa da farashi na kuskure akan lokaci.
Haɓaka oda na biyu da hanyoyin Newton a aikace
Shampoo da K-FAC suna haɓaka babban horo mai zurfi na koyo ta hanyar kusantar tsarin Hessian.
Shampoo da K-FAC suna haɓaka babban horo mai zurfi mai zurfi ta hanyar kimanta tsarin Hessian Ƙungiyoyi yawanci suna samun sakamako mafi kyau lokacin da suka ayyana ma'auni masu inganci a gaba, kiyaye hanyar haɓakar ɗan adam don shari'o'i, da bin diddigin nasarorin samarwa da tsadar kurakurai a kan lokaci.
Hatsari & Tsare-tsare
Haɓaka ma'auni ɗaya na iya ɓoye manyan raunin tsarin.
Sau da yawa ana raina kayan more rayuwa da kuma kuɗin kulawa.
Tsaro da gibin lura na iya girma yayin da tsarin ke ƙara haɓaka.
Taswirar Hanya
Ƙayyade latency, inganci, da maƙasudin farashi kafin aiwatarwa.
Ƙayyade latency, inganci, da maƙasudin farashi kafin aiwatarwa. Ɗauki kowane mataki azaman ƙofar shaida: idan ba a cika sharuɗɗa ba, dakatar da fitar, rufe tazarar, sannan kawai faɗaɗa amfani.
Alamar ma'auni a ƙarƙashin ainihin kaya da yanayin bayanai.
Alamar ma'auni a ƙarƙashin ainihin kaya da yanayin bayanai. Ɗauki kowane mataki azaman ƙofar shaida: idan ba a cika sharuɗɗa ba, dakatar da fitar, rufe tazarar, sannan kawai faɗaɗa amfani.
Kula da kayan aiki don kurakurai, ɗigo, da tasirin mai amfani.
Kula da kayan aiki don kurakurai, ɗigo, da tasirin mai amfani. Ɗauki kowane mataki azaman ƙofar shaida: idan ba a cika sharuɗɗa ba, dakatar da fitar, rufe tazarar, sannan kawai faɗaɗa amfani.
Shirya bijirowa da hanyoyin mayar da martani kafin sikeli.
Shirya bijirowa da hanyoyin mayar da martani kafin sikeli. Ɗauki kowane mataki azaman ƙofar shaida: idan ba a cika sharuɗɗa ba, dakatar da fitar, rufe tazarar, sannan kawai faɗaɗa amfani.