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Icyitegererezo cya Markov

Icyitegererezo cya Markov cyihishe gisobanura sisitemu inyura muri leta zihishe udashobora kubona mu buryo butaziguye, zisohora ibisubizo bigaragara mu nzira.

2 min somaIbiherutse kuvugururwa

Incamake

It powered early speech recognition, gene finding, and part-of-speech tagging.

Kwibira cyane

Icyitegererezo cya Markov cyihishe (HMM) gifata inzira igenda hagati yigihugu cyihishe mugihe, aho leta itaha biterwa gusa nubu (umutungo wa Markov). Ntushobora kwitegereza leta mu buryo butaziguye; ahubwo buri leta isohora ikimenyetso kigaragara ukurikije ibyuka bihumanya. HMM isobanurwa nibice bitatu: intangiriro ya leta ishoboka, matrike yinzibacyuho hagati ya leta, hamwe nibisohoka byasohotse. Ibibazo bitatu bya kera bijyana na byo: gusuzuma (burya birashoboka ko byakurikiranwe, byakemuwe na Imbere ya algorithm), decoding (inzira yihishe isobanura neza ibyarebwaga, byakemuwe na algorithm ya Viterbi), no kwiga (kugereranya ibipimo bivuye mumibare, byakemuwe na Baum-Welch biteganijwe-kugereranya algorithm). HMMs yiganjemo imvugo hamwe nibirango bikurikirana mumyaka mirongo.

Ubushishozi

Igitekerezo cyingenzi nigikorwa cyo gutangiza gahunda mugihe. Imbere ya algorithm yerekana amahirwe yinzira zose zigera kuri buri leta, mugihe Viterbi ahubwo ikomeza inzira imwe ishoboka, haba mugihe ugereranije na leta-kare-kare inshuro zikurikirana. Baum-Welch isimburana hagati yo kugereranya leta iteganijwe guterwa ukurikije ibipimo bigezweho no kongera kugereranya inzibacyuho n’ibyuka bihumanya ikirere, bigasubirana kugeza bihindutse ahantu hashoboka 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.

Ejo hazaza h'icyitegererezo cya Markov

Imiyoboro isubiramo hamwe na transformateur byasimbuye ahanini HMM kumvugo nururimi kuko ifata intera ndende, itagendeye kumurongo umurongo wa mbere wa Markov udashobora. Nyamara HMM irokoka aho gusobanurwa, amakuru mato, hamwe nibisobanuro bya leta bisobanutse: bioinformatics, ibihe bikurikirana, gutandukanya amakosa, hamwe nubukungu. Witege ko uzakomeza gukoreshwa mu miyoboro ya Hybrid no ku bikoresho, kandi nk'intambwe yo gutera intambwe igana ku bukire bwihishwa-buhindagurika na leta-umwanya w'icyitegererezo.

Gushyira mu bikorwa Isi

Igice-cy-imvugo kuranga, kuranga buri jambo nkizina, inshinga, cyangwa inyito

Isesengura rya gen na proteyine muri bioinformatics

Moderi ya Acoustic muri sisitemu yo kumenyekanisha imvugo isanzwe

Gutahura ingoma cyangwa ibice mubihe byimari na sensor

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

1

Sobanura ubukererwe, ubuziranenge, nigiciro cyibiciro mbere yo kubishyira mubikorwa.

2

Ibipimo byerekana umutwaro ufatika hamwe namakuru yimiterere.

3

Gukurikirana ibikoresho kubikosa, drift, ningaruka zabakoresha.

4

Tegura inzira yo gusubiza ibyabaye mbere yo gupima.

Komeza Ubushakashatsi

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Ibibazo bikunze kubazwa

What is Hidden Markov Models?

Icyitegererezo cya Markov cyihishe gisobanura sisitemu inyura muri leta zihishe udashobora kubona mu buryo butaziguye, zisohora ibisubizo bigaragara mu nzira. Byakoresheje imbaraga zo kumenya imvugo hakiri kare, gushakisha gene, hamwe nigice cyo kuvuga.

Ni iki 'cyihishe' muri Model Yihishe Markov kivuga?

Urabona gusa ibyasohotse byasohotse; urwego rwibanze rwa leta rwihishe kandi rugomba gusuzumwa.

Nuwuhe mutungo wa Markov wafashwe na HMM?

Muburyo bwa mbere Urutonde rwa Markov, ejo hazaza biterwa gusa nubu, ntabwo amateka yuzuye.

Niyihe algorithm isanga imwe rukumbi ikurikirana ya leta zihishe?

Viterbi ikoresha imbaraga za programming kugirango ikomeze inzira ishoboka kuri buri leta, igarure ibyiza rusange bya leta.

Ni ubuhe buryo butatu bushoboka bwerekana neza HMM?

HMM isobanurwa n’aho itangirira, uko leta zinzibacyuho, nuburyo leta zisohora indorerezi.

Algorithm ya Baum-Welch ikora iki?

Baum-Welch ni uburyo bwa EM buteganya kongera kugereranya inzibacyuho n’ibisohoka kugira ngo amakuru menshi ashoboke.