Gwaji-Lokacin Ƙarfafawa
Ƙaddamar da lokacin gwaji (TTA) yana gudanar da ƙirar horarwa akan nau'ikan da aka canza daban-daban na shigarwa iri ɗaya kuma yana daidaita hasashen.
Dubawa
It is a simple, training-free trick that often squeezes out a few extra points of accuracy and makes predictions more robust.
Zurfafa nutsewa
Ƙarfafa lokacin gwaji yana ɗaukar shigarwa guda ɗaya, yana ƙirƙirar kwafi da yawa da aka canza (juyawa, amfanin gona, jujjuyawa, canjin launi, ko nau'ikan sikelin), yana gudanar da kowanne ta hanyar ƙayyadaddun samfuri iri ɗaya, sannan ya haɗa abubuwan da aka fitar - yawanci ta matsakaicin yuwuwar ko logits. Hankali: kowane haɓaka yana fallasa ƙirar zuwa ra'ayi daban-daban, kuma kurakurai akan ra'ayi ɗaya kan soke idan aka haɗa su, kamar ƙaramin gungu wanda aka gina daga cibiyar sadarwa ɗaya. Mahimmanci, TTA ba ta buƙatar sake horarwa kuma ba ta da ƙarin lakabi; yana kashe ƙarin ƙididdigewa ne kawai saboda ƙirar tana gudanar da lokutan N kowane samfurin. Ya fi shahara a hangen nesa na kwamfuta (musamman gasar Kaggle da hoton likitanci) amma kuma yana bayyana a cikin sauti da rubutu. Abubuwan haɓakawa yakamata su adana lakabin - jujjuya X-ray na ƙirji yana da kyau, amma jujjuya lamba '6' zuwa '9' ba haka bane.
Fahimtar Fasaha
Idan kurakuran tsinkayar samfurin a cikin ra'ayoyin da aka haɓaka ba su da alaƙa da wani yanki, matsakaicin yana rage bambance-bambance kamar tarin yawa - amma ta amfani da saitin ma'auni ɗaya. Don rarrabuwa yawanci matsakaita yuwuwar softmax (ko logits) akan ra'ayoyi; don rarrabuwa dole ne ku juyar da kowane juzu'i kafin haɗawa don haka taswirorin pixel su daidaita. Zaɓin abubuwan ƙarawa masu adana lakabi suna da mahimmanci: canji wanda ke canza ajin gaskiya yana shigar da son zuciya maimakon soke amo.
Dabarun Tasiri
Kudin da kasafin kuɗi
Hukunce-hukuncen gine-gine suna haifar da aiki da tsadar aiki na shekaru.
Shawarwari masu haske
Ilimin fasaha yana taimaka wa ƙungiyoyi su zaɓi tari mai kyau, ba kawai sabon abu ba.
Kula da inganci
Zaɓuɓɓukan injiniya mafi kyau suna rage abin dogaro a cikin samarwa.
Makomar Ƙarfafa Lokacin Gwaji
Bincike yana motsawa zuwa ga koyaswa da daidaitawa TTA, inda ƙananan manufofi ke zaɓar waɗanda haɓakawa ke taimakawa ga kowane takamaiman shigarwa maimakon amfani da kafaffen saiti. 'Karshi' da bincike-binciken TTA-manufofin, da ma'auni na rashin tabbas wanda ya amince da ƙarin ra'ayi, wurare ne masu aiki. Yi tsammanin TTA don haɗawa tare da horarwa na lokacin gwaji da daidaitawa na kulawa da kai, barin samfuran da aka tura su daidaita zuwa canjin rarraba akan tashi yayin da ke kiyaye kadarorin da ba a sake horarwa ba.
Aiwatar da Gaskiyar Duniya
Matsakaicin tsinkaya akan juzu'i a kwance da kuma amfanin gona da yawa na hoto don haɓaka daidaiton rabe-raben ImageNet bisa la'akari.
Juyawa juzu'i/juyawa da matsakaicin abin rufe fuska a cikin rarrabuwar hoton likitanci (misali, ciwace-ciwacen daji ko iyakokin gabobin jiki) don tsayuwar daka.
Masu fafatawa na Kaggle suna amfani da amfanin gona goma ko ma'auni TTA masu yawa don samun kashi na kashi bisa dari akan allon jagora ba tare da sake horarwa ba.
Gudun magana ko nassosi mai jiwuwa akan ɗan gajeren lokaci-canzawa ko shirye-shiryen bidiyo masu ruɗewa da haɗar bayanai don ƙarin tabbatattun lakabi.
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.
Alamar ma'auni a ƙarƙashin ainihin kaya da yanayin bayanai.
Kula da kayan aiki don kurakurai, ɗigo, da tasirin mai amfani.
Shirya bijirowa da hanyoyin mayar da martani kafin sikeli.
Ci gaba da Bincike
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Jagora na gaba
Horon-Lokacin Gwaji
Tambayoyin da ake yawan yi
What is Test-Time Augmentation?
Ƙaddamar da lokacin gwaji (TTA) yana gudanar da ƙirar horarwa akan nau'ikan da aka canza daban-daban na shigarwa iri ɗaya kuma yana daidaita hasashen. Dabaru ne mai sauƙi, mara horo wanda sau da yawa yana fitar da wasu ƙarin maki na daidaito kuma yana sa tsinkaya ta fi ƙarfi.
Menene ainihin ra'ayin da ke bayan haɓaka lokacin gwaji?
TTA tana ciyar da nau'ikan da aka haɓaka da yawa na shigarwa ɗaya ta hanyar ƙirar da aka horar da ita kuma tana tattara tsinkaya, ba tare da ƙarin horo ba.
Me yasa TTA sau da yawa ke inganta daidaito?
Matsakaicin sama da ra'ayoyi da yawa yana aiki kamar tarin cibiyar sadarwa guda ɗaya, yana rage bambance-bambance lokacin da kurakuran kallo ɗaya ba su da alaƙa.
Menene babban farashin amfani da TTA?
Saboda kowane shigarwar yana wucewa ta lokutan hanyar sadarwa N, ƙididdigewa yana zama kusan sau N mafi tsada.
Wanne zaɓi na ƙarawa zai iya CUTAR da mai rarraba lambobi?
Ƙaddamarwa dole ne su adana alamar gaskiya; jujjuya wasu lambobi suna canza ainihin su kuma suna allurar son zuciya.
A cikin rarrabuwa, wane ƙarin mataki ake buƙata kafin auna yawan abubuwan TTA?
Ƙwararrun Geometric suna motsa pixels, don haka kowane abin rufe fuska na fitarwa dole ne a canza shi zuwa ainihin firam ɗin daidaitawa kafin haɗawa.