Boye Markov Model
A Hidden Markov Model ya bayyana tsarin da ke tafiya ta cikin ɓoyayyun jihohin da ba za ku iya gani kai tsaye ba, yana fitar da abubuwan gani a hanya.
Dubawa
It powered early speech recognition, gene finding, and part-of-speech tagging.
Zurfafa nutsewa
A Hidden Markov Model (HMM) yana ɗaukan tsari tsakanin tsarin ɓoyayyun jihohi na tsawon lokaci, inda jihar ta gaba ta dogara ne kawai akan na yanzu (dukiyar Markov). Ba ku taba lura da jihohi kai tsaye ba; maimakon haka kowace jiha tana fitar da wata alama da za a iya gani bisa ga yuwuwar fitarwa. An siffanta HMM da guda uku: yuwuwar jihar farko, matrix na canji tsakanin jihohi, da yuwuwar fitar da fitarwa. Matsaloli guda uku na al'ada suna tafiya tare da shi: kimantawa (yaya mai yiwuwa jerin abubuwan da aka lura, warware su ta hanyar Algorithm na gaba), yanke hukunci (abin da ke ɓoye mafi kyawun bayanin abubuwan lura, warwarewar Viterbi algorithm), da koyo (ƙididdigar ƙima daga bayanai, warware ta Baum-Welch tsammanin-maximization algorithm). HMMs sun mamaye magana da lakabin jeri tsawon shekaru da yawa.
Fahimtar Fasaha
Makullin ra'ayin shine shirye-shirye masu ƙarfi a kan lokaci. Algorithm na gaba yana taƙaita yiwuwar duk hanyoyin da suka isa kowace jiha, yayin da Viterbi a maimakon haka yana kiyaye hanya ɗaya mafi yuwuwar, duka a cikin lokaci daidai da tsayin lokuta-squared na jihohi. Baum-Welch yana musanya tsakanin kimanta zama na jihar da aka ba da sigogi na yanzu da kuma sake ƙididdige sauyi da yuwuwar fitar da hayaki, ana maimaitawa har sai ya haɗu zuwa matsakaicin matsayi na gida.
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 Hidden Markov Model
Cibiyoyin sadarwa na yau da kullun da masu canji sun maye gurbin HMMs don magana da harshe saboda suna ɗaukar dogon zango, abubuwan dogaro marasa kan layi waɗanda sarkar Markov ta farko ba za ta iya ba. Duk da haka HMMs suna rayuwa a inda fassarar, ƙananan bayanai, da bayyananniyar ilimin tarukan jihohi ke da mahimmanci: bioinformatics, rarrabuwar jerin lokaci, gano kuskure, da kuɗi. Yi tsammanin ci gaba da amfani da bututun da aka haɗa da kan na'urori, kuma azaman dutsen tsani na ra'ayi zuwa ɗimbin latent-sauyi da ƙirar sararin samaniya.
Aiwatar da Gaskiyar Duniya
Sashe na magana tagging, yiwa kowace kalma lakabi a matsayin suna, fi'ili, ko sifa
Binciken jerin kwayoyin halitta da furotin a cikin bioinformatics
Samfuran Acoustic a cikin tsarin gane magana ta atomatik
Gano tsarin mulki ko ɓangarori a cikin jerin lokutan kuɗi da firikwensin 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.
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
Daidaiton Tensor don Manyan Samfura
Tambayoyin da ake yawan yi
What is Hidden Markov Models?
A Hidden Markov Model ya bayyana tsarin da ke tafiya ta cikin ɓoyayyun jihohin da ba za ku iya gani kai tsaye ba, yana fitar da abubuwan gani a hanya. Ya ba da ikon gane magana da wuri, gano kwayoyin halitta, da alamar sashe na magana.
Menene 'boye' a cikin Hidden Markov Model ke nufi?
Kuna ganin abubuwan da aka fitar kawai; Jigon jigon da ke ɓoye yana ɓoye kuma dole ne a yi la'akari da shi.
Menene mallakar Markkov da HMM ya ɗauka?
A cikin sarkar Markov na farko, makomar gaba ta dogara ne kawai akan halin yanzu, ba cikakken tarihin ba.
Wane algorithm ne ya sami jeri ɗaya da ya fi dacewa na jihohin ɓoye?
Viterbi yana amfani da shirye-shirye masu ƙarfi don kiyaye hanya mafi yuwuwa zuwa kowace jiha, yana maido da mafi kyawun tsarin jihar gaba ɗaya.
Wadanne nau'ikan yuwuwar uku ne suka bayyana cikakken HMM?
Ana siffanta HMM ta inda aka fara, da yadda jahohi suka sauya sheka, da kuma yadda jihohi ke fitar da abin lura.
Menene Baum-Welch algorithm ke yi?
Baum-Welch hanya ce ta EM wacce ke sake kimanta sauyi da yuwuwar fitarwa don haɓaka yuwuwar bayanai.