Incamake
Nigute washyiraho imiyoboro itangirira uburemere mbere yo gutangira imyitozo, ishushanya cyane niba ibimenyetso na gradients bigumana ubuzima bwiza binyuze mubice byimbitse. Gutangiza neza ni itandukaniro riri hagati yo guhuza byihuse nicyitegererezo kitigera cyiga.
Gutangiza ibiro ni inyubako ya tekiniki yubaka igira ingaruka kumiterere yicyitegererezo, igiciro cyibikorwa remezo, ubukererwe, no kwizerwa mubipimo.
Kwibira cyane
Mbere yo kwitoza, uburemere bwose bukenera agaciro ko gutangira. Gushira byose kuri zeru byica: uburemere bumwe butanga gradients imwe, neuron rero ntizigera itandukanya - iki nikibazo cyo guhuza ibice. Gutangiza bisanzwe bisenya guhuza, ariko igipimo gifite akamaro kanini. Nini cyane kandi ibikorwa na gradients biraturika; nto cyane kandi zirashira. Gahunda ngenderwaho ihitamo itandukaniro rishingiye ku bunini bwa layer kugirango igumane ibimenyetso bitandukanye bihoraho murwego rumwe. Xavier (Glorot) itangizwa ryibipimo bitandukanya numubare winjiza wongeyeho ibice bisohoka kandi bikwiranye na tanh na sigmoid. We (Kaiming) umunzani wo gutangiza ukurikije umubare winjiza na konte ya ReLU ikuraho kimwe cya kabiri cyinjiza, bigatuma iba igipimo cyurushundura rwimbitse rushingiye kuri ReLU na CNN. Gutangiza neza bituma imyitozo hakiri kare itajegajega kugeza igihe ibisanzwe hamwe noguhindura imihindagurikire y'ikirere bifata.
Ubushishozi
Intego nugukomeza gutandukanya ibikorwa na gradients bihoraho kuva kumurongo. Xavier ashyiraho uburemere bwibiro kuri 2 / (umufana_in + umufana_out), aringaniza imbere ninyuma yinyuma yibikorwa. Yatangije ikoresha 2 / fan_in kuko ReLU zeru hafi kimwe cya kabiri cyinjiza, bityo gukuba kabiri ibitandukanya byishyura icyo kimenyetso cyatakaye. Kubogama mubisanzwe bitangirwa kuri zeru kuva uburinganire bumaze gucika kuburemere butemewe.
Kumenya Gutangiza Ibiro
Nigute washyiraho imiyoboro itangirira uburemere mbere yo gutangira imyitozo, ishushanya cyane niba ibimenyetso na gradients bigumana ubuzima bwiza binyuze mubice byimbitse. Gutangiza neza ni itandukaniro riri hagati yo guhuza byihuse nicyitegererezo kitigera cyiga. Gutangiza ibiro ni inyubako ya tekiniki yubaka igira ingaruka kumiterere yicyitegererezo, igiciro cyibikorwa remezo, ubukererwe, no kwizerwa mubipimo. Kugirango wubake byimbitse, fata Itangizwa ryibiro nkicyitegererezo gikora, ntabwo ari ikintu kimwe: gusobanura ibyagezweho, gusobanura ibitekerezo, no gutandukanya ibyo sisitemu ishobora gukora byizewe nibisaba guca imanza zinzobere.
Mubimenyerezo, amakipe akomeye akoresha Intangiriro yo Kuringaniza Yubaka imyubakire, amakuru, hamwe nibikorwa remezo birwanya kwizerwa nigiciro. Bandika ibipimo ngenderwaho byerekana intsinzi, bagerageza kurwanya amakuru afatika hamwe nakazi keza, kandi bagasubiramo bashingiye kubikorwa byagaragaye ko batsinzwe aho gutsinda inshuro imwe. Aha niho imyumvire yubumenyi ihinduka mubushobozi burambye kubicuruzwa, politiki, nibikorwa.
Ibyemezo byubwubatsi bitwara imikorere nigiciro cyimikorere kumyaka. Mugihe kimwe, Guhindura igipimo kimwe gishobora guhisha intege nke za sisitemu. Uburyo bukomeye cyane ni uguhuza umuvuduko wikigereranyo hamwe na disipuline yimiyoborere: kuyobora abaderevu, gufata ibimenyetso, gutangaza ibyemezo byicyemezo, no gukomeza kuvugurura uburyo bwo kwirinda nkimyitwarire yicyitegererezo, ibyo abakoresha bategereje, nibisabwa n'amategeko bigenda bihinduka.
Ingaruka z'Ingamba
Ibyemezo byubwubatsi bitwara imikorere nigiciro cyimikorere kumyaka.
Ibyemezo byubwubatsi bitwara imikorere nigiciro cyimikorere kumyaka. Mubikorwa byujuje ubuziranenge, ibi bihindurwa mumategeko agenga imikorere, imipaka nyirubwite, hamwe n'imihango yo gusubiramo kenshi kugirango amakipe ashobore kwigirira ikizere aho gupima ibidasobanutse.
Ubuhanga bwa tekinike bufasha amakipe guhitamo umurongo ukwiye, ntabwo ari shyashya gusa.
Ubuhanga bwa tekinike bufasha amakipe guhitamo umurongo ukwiye, ntabwo ari shyashya gusa. Mubikorwa byujuje ubuziranenge, ibi bihindurwa mumategeko agenga imikorere, imipaka nyirubwite, hamwe n'imihango yo gusubiramo kenshi kugirango amakipe ashobore kwigirira ikizere aho gupima ibidasobanutse.
Guhitamo neza bya injeniyeri bigabanya ibintu byizewe mubikorwa.
Guhitamo neza bya injeniyeri bigabanya ibintu byizewe mubikorwa. Mubikorwa byujuje ubuziranenge, ibi bihindurwa mumategeko agenga imikorere, imipaka nyirubwite, hamwe n'imihango yo gusubiramo kenshi kugirango amakipe ashobore kwigirira ikizere aho gupima ibidasobanutse.
Gushyira mu bikorwa Isi
CNN ikoresha ibikorwa bya ReLU itangizwa na We yatangije kuburyo bwimbitse bwimyitozo ya gari ya moshi idatakara ibimenyetso.
Urusobe rufite ibikorwa bya tanh rukoresha intangiriro ya Xavier kugirango ibikorwa bitandukana bihamye murwego rumwe.
Injeniyeri utangiza impanuka zose kugeza kuri zeru abona urusobe rwananiwe kwiga kuko buri neuron igumaho.
Imikorere isanzwe (Kaiming ya PyTorch, imyenda ya Glorot ya Keras) ikoresha amahame yo gutangiza mu buryo bwikora mugihe urwego rwaremewe.
Uburyo bwo Gushyira mu bikorwa
Gutangiza ibiro mu myitozo
CNN ikoresha ibikorwa bya ReLU itangizwa na We yatangije kuburyo bwimbitse bwimyitozo ya gari ya moshi idatakara ibimenyetso.
CNN ikoresha ibikorwa bya ReLU itangizwa na We yatangije kuburyo bwimbitse bwimyitozo ya gari ya moshi idafite ibimenyetso byabuze Amakipe ubusanzwe abona ibisubizo byiza iyo asobanuye ibipimo byujuje ubuziranenge imbere, agakomeza inzira yo kuzamura abantu kubibazo, kandi akurikirana inyungu zibyara umusaruro nibiciro byamakosa mugihe runaka.
Gutangiza ibiro mu myitozo
Urusobe rufite ibikorwa bya tanh rukoresha intangiriro ya Xavier kugirango ibikorwa bitandukana bihamye murwego rumwe.
Urusobe rufite ibikorwa bya tanh rukoresha intangiriro ya Xavier kugirango itandukanyirizo ryibikorwa bihamye murwego rwamakipe ubusanzwe abona ibisubizo byiza iyo asobanuye ibipimo ngenderwaho byimbere, agakomeza inzira yo kuzamura abantu kubibazo, kandi akurikirana inyungu zibyara umusaruro hamwe nibiciro byamakosa mugihe.
Gutangiza ibiro mu myitozo
Injeniyeri utangiza impanuka zose kugeza kuri zeru abona urusobe rwananiwe kwiga kuko buri neuron igumaho.
Injeniyeri utangiza impanuka zose zeru kuri zeru abona urusobe rwananiwe kwiga kuko buri neuron igumaho Amakipe amwe mubisanzwe abona ibisubizo byiza iyo asobanuye ibipimo byujuje ubuziranenge imbere, agakomeza inzira yo kuzamuka kwabantu kubibazo, kandi akurikirana inyungu zibyara umusaruro nibiciro byigihe.
Gutangiza ibiro mu myitozo
Imikorere isanzwe (Kaiming ya PyTorch, imyenda ya Glorot ya Keras) ikoresha amahame yo gutangiza mu buryo bwikora mugihe urwego rwaremewe.
Imikorere idasanzwe (Kaiming ya PyTorch, imyenda ya Glorot ya Keras) ikoresha itangizwa ryibanze mu buryo bwikora mugihe hashyizweho urwego Amakipe ubusanzwe abona ibisubizo byiza iyo asobanuye ibipimo byimbere imbere, agakomeza inzira yo kuzamuka kwabantu kubibazo bikurikirana, kandi akurikirana inyungu zibyara umusaruro nibiciro byigihe.
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.
Sobanura ubukererwe, ubuziranenge, nigiciro cyibiciro mbere yo kubishyira mubikorwa. Fata buri ntambwe nk irembo ryibimenyetso: niba ibipimo bitujujwe, hagarika kuzenguruka, funga icyuho, hanyuma noneho wagure imikoreshereze.
Ibipimo byerekana umutwaro ufatika hamwe namakuru yimiterere.
Ibipimo byerekana umutwaro ufatika hamwe namakuru yimiterere. Fata buri ntambwe nk irembo ryibimenyetso: niba ibipimo bitujujwe, hagarika kuzenguruka, funga icyuho, hanyuma noneho wagure imikoreshereze.
Gukurikirana ibikoresho kubikosa, drift, ningaruka zabakoresha.
Gukurikirana ibikoresho kubikosa, drift, ningaruka zabakoresha. Fata buri ntambwe nk irembo ryibimenyetso: niba ibipimo bitujujwe, hagarika kuzenguruka, funga icyuho, hanyuma noneho wagure imikoreshereze.
Tegura inzira yo gusubiza ibyabaye mbere yo gupima.
Tegura inzira yo gusubiza ibyabaye mbere yo gupima. Fata buri ntambwe nk irembo ryibimenyetso: niba ibipimo bitujujwe, hagarika kuzenguruka, funga icyuho, hanyuma noneho wagure imikoreshereze.