{"id":85284,"date":"2020-06-14T19:42:01","date_gmt":"2020-06-14T17:42:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pifu-sistema-mashinnogo-obucheniya-dlya-postroeniya-3d-modeli-cheloveka-na-osnove-2d-snimkov"},"modified":"2020-06-14T19:42:01","modified_gmt":"2020-06-14T17:42:01","slug":"pifu-sistema-mashinnogo-obucheniya-dlya-postroeniya-3d-modeli-cheloveka-na-osnove-2d-snimkov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/pifu-sistema-mashinnogo-obucheniya-dlya-postroeniya-3d-modeli-cheloveka-na-osnove-2d-snimkov","title":{"rendered":"PIFu \u2014 masin\u00f5ppe s\u00fcsteem 3D-inimese mudeli loomiseks 2D-piltide p\u00f5hjal","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Mitme Ameerika \u00fclikooli teadlaste r\u00fchm avaldas projekti PIFu<\/a><\/noindex> (Pixel-Aligned Implicit Function), mis v\u00f5imaldab rakendada masin\u00f5ppe meetodeid inimese 3D mudeli loomiseks \u00fche v\u00f5i mitme kahes m\u00f5\u00f5tmes pildi p\u00f5hjal. S\u00fcsteem suudab taastada keerulisi riidevariatsioone, nagu volditud seelikud ja k\u00f5rgematel kontsadel kingad, ning erinevaid soenguid, iseseisvalt taastades tekstuuri ja kuju piirkondades, mis j\u00e4\u00e4vad n\u00e4htamatuks 3D mudeli loomise projektsioonis. L\u00f5pliku 3D mudeli kvaliteedi ja detailide suurendamiseks saab kasutada mitmeid pilte erinevates nurkades. Projekti kood on kirjutatud Python keeles, kasutades PyTorch raamistiku GNU \u00dcldine Avaliku litsentsi alusel.<\/a><\/noindex> on MIT litsentsi all.<\/p>\n

\"PIFu<\/a><\/noindex><\/center><\/p>\n

K\u00e4ideldava ruumilise mudeli rekonstrueerimiseks kasutatakse n\u00e4rviv\u00f5rku, mis v\u00f5imaldab valida k\u00f5ige t\u00f5en\u00e4olisema vormi ja t\u00e4iendada peidetud elemente, tuginedes mudelile, mis on koolitatud erinevate olemasolevate objektide variatsioonide p\u00f5hjal. Samal ajal pakub projekt algoritmi, mis sobitab saadud ruumilise mudeli esitatud kahe dimensiooni piltide tekstuuridega, joondades 2D-pildi pikslid vastavalt nende asendile 3D-objektil ja genereerides k\u00f5ige t\u00f5en\u00e4olisemad puuduvad tekstuurid. Pildi kodeerimiseks v\u00f5ib kasutada mis tahes kogumismeetri n\u00e4rviv\u00f5rku<\/a><\/noindex>, et
\npinnaarvconstructioni pinnale on rakendatud arhitektuur «Stacked hourglass<\/a><\/noindex>«, a
\n tekstuuride sobitamiseks on kaasatud n\u00e4rviv\u00f5rk, mis p\u00f5hineb arhitektuuril CycleGAN<\/a><\/noindex>.<\/p>\n

\"PIFu<\/a><\/noindex><\/center><\/p>\n

Uuringute k\u00e4igus rakendatud valmis koolitatud mudel saadaval<\/a><\/noindex> vaba allalaadimiseks, kuid originaalandmed, millel koolitus toimus, j\u00e4\u00e4vad kinniseks, kuna need p\u00f5hinevad kommertslike 3D-skaneerimise tulemustel. Iseseisva mudeli koolitamiseks v\u00f5ib kasutada 3D-mudelite andmebaasi<\/a><\/noindex> inimesi projektist Renderpeople.<\/p>\n

\r\n \"Vaata\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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S\u00fcsteem suudab taastada keerulisi riidet\u00fc\u00fcpe, n\u00e4iteks volditud seelikud ja k\u00f5rge kontsaga kingad, ning erinevaid soenguid, taastades iseseisvalt tekstuuri ja kuju piirkondades, mis on projektsioonis n\u00e4htamatud.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/pifu-sistema-mashinnogo-obucheniya-dlya-postroeniya-3d-modeli-cheloveka-na-osnove-2d-snimkov","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47PIFu \u2014 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 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