{"id":11386,"date":"2021-09-14T11:05:10","date_gmt":"2021-09-14T09:05:10","guid":{"rendered":"https:\/\/infoshareacademy.com\/blog\/?p=11386"},"modified":"2024-08-06T15:20:49","modified_gmt":"2024-08-06T13:20:49","slug":"projekt-kursantow-bootcampu-data-science-traffic-signs-classification","status":"publish","type":"post","link":"https:\/\/infoshareacademy.com\/blog\/projekt-kursantow-bootcampu-data-science-traffic-signs-classification\/","title":{"rendered":"Projekt kursant\u00f3w bootcampu Data Science: Traffic Signs Classification"},"content":{"rendered":"\n<p><a href=\"https:\/\/infoshareacademy.com\/blog\/2020\/11\/25\/data-science-pasjonujaca-branza-z-wysokimi-zarobkami\/\">Data Science<\/a> to jedna z tych dziedzin IT, kt\u00f3ra na naszych oczach potrafi zmienia\u0107 otaczaj\u0105cy nasz \u015bwiat. Wraz ze wzrostem mocy obliczeniowej komputer\u00f3w, powstaj\u0105 nowe, bardziej zaawansowane algorytmy, kt\u00f3re umo\u017cliwiaj\u0105 tworzenie rzeczy znanych do tej pory z powie\u015bci Sci-Fi.&nbsp;<\/p>\n\n\n\n<p>Ka\u017cdy <a href=\"https:\/\/infoshareacademy.com\/kurs\/kurs-data-science-weekendowy\/\" target=\"_blank\" rel=\"noreferrer noopener\">kurs weekendowy Data Science w infoShare Academy <\/a>ko\u0144czy si\u0119 projektem zaliczeniowym. Na kursach tworzone s\u0105 <strong>zespo\u0142y projektowe<\/strong>, kt\u00f3re w ramach zaliczenia kursu musz\u0105 stworzy\u0107 projekt, wykorzystuj\u0105c zdobyt\u0105 przez uczestnik\u00f3w wiedz\u0119. Nie inaczej by\u0142o tym razem. Na bootcampie Data Science, <strong>Kinga, Kasia, Piotr, Dariusz i Micha\u0142<\/strong> powo\u0142ali do \u017cycia zesp\u00f3\u0142 <strong>Data Busters<\/strong>. Zesp\u00f3\u0142 postanowi\u0142 wykorzysta\u0107 <strong>Machine Learning<\/strong> do stworzenia aplikacji do rozpoznawania znak\u00f3w drogowych.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zesp\u00f3\u0142 Data Buster<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kinga Klejne (<a href=\"https:\/\/github.com\/KingaKlejne\">GitHub<\/a>)<\/li>\n\n\n\n<li>Katarzyna Hewelt (<a href=\"https:\/\/github.com\/kasiahewelt\">GitHub<\/a>)<\/li>\n\n\n\n<li>Karolina Mastalerz (<a href=\"https:\/\/github.com\/karolinamst\">GitHub<\/a>)<\/li>\n\n\n\n<li>Piotr Nowicki (<a href=\"https:\/\/github.com\/piotrnowicki1510\">GitHub<\/a>)<\/li>\n\n\n\n<li>Dariusz Starosta (<a href=\"https:\/\/github.com\/darstar-ds?tab=repositories\">GitHub<\/a>)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Kontekst<\/h2>\n\n\n\n<p>Samochody s\u0105 z nami ju\u017c od ponad 100 lat. Od kiedy tylko wyjecha\u0142y na drog\u0119 pierwsze pojazdy, przemys\u0142, kt\u00f3ry r\u00f3s\u0142 razem z liczb\u0105 samochod\u00f3w na drodze, stara\u0142 si\u0119 stale poprawia\u0107 <strong>bezpiecze\u0144stwo pojazd\u00f3w<\/strong>. Od wprowadzenia pas\u00f3w bezpiecze\u0144stwa, specjalnych materia\u0142\u00f3w na poduszkach powietrznych i czujnikach ko\u0144cz\u0105c. Wszystko to mia\u0142o sprawi\u0107, aby z ka\u017cd\u0105 kolejn\u0105 generacj\u0105 samochod\u00f3w <strong>podr\u00f3\u017cowanie samochodami by\u0142o bezpieczniejsze<\/strong>. Nauka i post\u0119p ratuj\u0105 ludzkie \u017cycia. W ostatnich latach do tego post\u0119pu do\u0142\u0105cza si\u0119 <strong>Data Science<\/strong>, kt\u00f3re wykorzystywane jest do poprawy komfortu i bezpiecze\u0144stwa podr\u00f3\u017cy. W 2021 roku nikogo ju\u017c nie dziwi autonomiczny samoch\u00f3d, kt\u00f3ry sam potrafi zaparkowa\u0107. To mo\u017cliwe mi\u0119dzy innymi dzi\u0119ki Data Science.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"802\" src=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-21-38.png\" alt=\"\" class=\"wp-image-11392\" srcset=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-21-38.png 920w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-21-38-300x262.png 300w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-21-38-768x669.png 768w\" sizes=\"auto, (max-width: 920px) 100vw, 920px\" \/><figcaption class=\"wp-element-caption\">Skuteczno\u015b\u0107 predykcji aplikacji zespo\u0142u Data Busters<\/figcaption><\/figure>\n\n\n\n<p>Wiele wypadk\u00f3w drogowych spowodowanych jest przeoczeniem i niedostateczn\u0105 wiedz\u0105 na temat mijanych na drodze znak\u00f3w drogowych. Pr\u0119dko\u015b\u0107, coraz wi\u0119ksza liczba rozpraszaczy podczas jazdy sprawiaj\u0105, \u017ce ludzie prowadz\u0105cy samochody maj\u0105 problem z dostatecznie szybkim zinterpretowaniem oznakowania.<\/p>\n\n\n\n<p>Nad tym problemem postanowi\u0142 pochyli\u0107 si\u0119 zesp\u00f3\u0142 <strong>Data Busters<\/strong>, buduj\u0105c model <strong>CNN<\/strong> do rozpoznawania znak\u00f3w drogowych oraz aplikacj\u0119 wykorzystuj\u0105c\u0105 owy model. Takie rozwi\u0105zanie mog\u0142oby by\u0107 zainstalowane w nowoczesnych samochodach, kt\u00f3re w por\u0119 <strong>ostrzega\u0142yby kierowc\u0119 o mijanych znakach drogowych<\/strong>. Rozpoznaj\u0105c znak, samoch\u00f3d m\u00f3g\u0142by w por\u0119 zareagowa\u0107 i zapobiec kolizji. Takie rozwi\u0105zanie jest te\u017c niezb\u0119dne do funkcji autonomicznych aut, kt\u00f3re s\u0105 coraz powszechniej dost\u0119pne.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"670\" src=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-29-54-1024x670.png\" alt=\"\" class=\"wp-image-11394\" srcset=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-29-54-1024x670.png 1024w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-29-54-300x196.png 300w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-29-54-768x502.png 768w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-29-54.png 1382w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Liczba zdj\u0119\u0107 dla poszczeg\u00f3lnych klas.<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Model i zbi\u00f3r<\/h2>\n\n\n\n<p>Zesp\u00f3\u0142 zbudowa\u0142 <strong>model<\/strong>, kt\u00f3ry identyfikuje znaki drogowe w oparciu o <strong>konwolucyjne sieci neuronowe<\/strong>. Program opiera si\u0119 na zbiorze ze znakami, kt\u00f3ry dost\u0119pny jest w serwisie <strong>Kaggle<\/strong>. Zesp\u00f3\u0142 u\u017cy\u0142 zbioru <a href=\"https:\/\/www.kaggle.com\/valentynsichkar\/traffic-signs-preprocessed\">Traffic Signs Preprocessed<\/a>, kt\u00f3ry zawiera <strong>89,986<\/strong> kolorowych obrazk\u00f3w w rozmiarze 32&#215;32 px. Zosta\u0142y one u\u017cyte do nauki przez program. W zbiorze znajdowa\u0142y si\u0119 obrazki w kolorze i w odcieniach szaro\u015bci, zbi\u00f3r treningowy, testowy i walidacyjny. Zbi\u00f3r treningowy zawiera\u0142 <strong>34 799 <\/strong>zdj\u0119\u0107, walidacyjny <strong>4 410<\/strong>, a testowy <strong>12 630<\/strong> w <strong>43 klasach<\/strong> znak\u00f3w drogowych (znaki ograniczenia pr\u0119dko\u015bci, znaki nakazu, zakazu, znaki informacyjne, ostrzegawcze i inne).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"580\" src=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-18-51-1024x580.png\" alt=\"\" class=\"wp-image-11389\" srcset=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-18-51-1024x580.png 1024w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-18-51-300x170.png 300w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-18-51-768x435.png 768w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-18-51-390x220.png 390w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-18-51.png 1192w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Struktura modelu<\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>Model CNN<\/strong> sk\u0142ada\u0142 si\u0119 z <strong>6 warstw konwolucyjnych&nbsp; <\/strong>z filtrem <strong>3&#215;3<\/strong> i z funkcj\u0105 aktywacji <strong>ReLu<\/strong>, 3 warstw <strong>Max Pool<\/strong> <strong>2&#215;2<\/strong>. Wszystkie te warstwy by\u0142y po\u0142\u0105czone z ostatni\u0105 warstw\u0105 tworz\u0105c\u0105 43 wyniki ko\u0144cowe i z funkcj\u0105 <strong>SoftMax<\/strong>.&nbsp;&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"569\" src=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-19-45-1024x569.png\" alt=\"\" class=\"wp-image-11390\" srcset=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-19-45-1024x569.png 1024w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-19-45-300x167.png 300w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-19-45-768x427.png 768w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-19-45.png 1194w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Wykres dok\u0142adno\u015bci i straty<\/em><br><\/figcaption><\/figure>\n<\/div>\n\n\n<p>Wi\u0119kszo\u015b\u0107 nieprawid\u0142owych predykcji by\u0142a spowodowana s\u0142ab\u0105 jako\u015bci\u0105 zdj\u0119\u0107, kt\u00f3re by\u0142y ci\u0119\u017ckie do odczytania nawet dla cz\u0142owieka. \u0141\u0105czna liczba z\u0142ych predykcji to <strong>296<\/strong> co daje<strong> 2,34%<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"746\" src=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-22-03.png\" alt=\"\" class=\"wp-image-11391\" style=\"width:542px;height:560px\" srcset=\"https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-22-03.png 723w, https:\/\/infoshareacademy.com\/blog\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-10-10-22-03-291x300.png 291w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><\/figure>\n<\/div>\n\n\n<p>Sama aplikacja pozwala na wgranie zdj\u0119\u0107 statycznych i umo\u017cliwia uzyskanie predykcji. Drug\u0105 funkcj\u0105 aplikacji jest mo\u017cliwo\u015b\u0107 rozpoznawania znak\u00f3w na \u017cywo poprzez kamery z laptopa. Funkcja ta mo\u017ce pos\u0142u\u017cy\u0107 do wykrywania znak\u00f3w drogowych np. w autonomicznych samochodach.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zobacz aplikacj\u0119 w akcji<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Prezentacja projektu Traffic Signs Classification\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/FVeIcRCA_hE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/infoshareacademy.com\/kurs\/kurs-data-science-weekendowy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kurs weekendowy Data Science w infoShare Academy<\/a><\/h2>\n\n\n\n<p>Dane sta\u0142y si\u0119 prawdziw\u0105 walut\u0105 w dzisiejszych czasach. Firmy odkry\u0142y mo\u017cliwo\u015bci, jakie p\u0142yn\u0105 ze zbierania danych. Mocniejsze i ta\u0144sze komputery sprawiaj\u0105, \u017ce Data Science jest dost\u0119pna dla coraz mniejszych firm, co przek\u0142ada si\u0119 na wzrost zapotrzebowania na specjalist\u00f3w od danych. Je\u015bli chcesz nauczy\u0107 si\u0119 wykorzystywa\u0107 dane i tworzy\u0107 takie aplikacje jak powy\u017cej, to zapisz si\u0119 na <strong>bootcamp Data Science<\/strong>.<\/p>\n\n\n\n<p><strong>Dla kogo?<\/strong> Dla os\u00f3b, kt\u00f3re chc\u0105 sprawnie nauczy\u0107 si\u0119 programowania od najlepszych trener\u00f3w-praktyk\u00f3w na rynku i szukaj\u0105 satysfakcji z pracy poprzez posiadanie realnego wp\u0142ywu na swoj\u0105 firm\u0119. Podczas intensywnych zaj\u0119\u0107 dowiesz si\u0119 w jaki spos\u00f3b pozyskiwa\u0107, agregowa\u0107 i przetwarza\u0107 dane. Nauczysz si\u0119 wykorzystywa\u0107 Machine Learning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udc49 <a href=\"https:\/\/infoshareacademy.com\/kurs\/kurs-data-science-weekendowy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Weekendowy kurs Data Science<\/a> (przebran\u017cowienie)<\/h3>\n\n\n\n<p><strong>Przeczytaj:<\/strong> <a href=\"https:\/\/infoshareacademy.com\/blog\/2020\/11\/25\/data-science-pasjonujaca-branza-z-wysokimi-zarobkami\/\">Data Science \u2013 pasjonuj\u0105ca bran\u017ca z wysokim zarobkami &gt;&gt;<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Co mo\u017cesz robi\u0107 po bootcampie? Poznaj historie naszych absolwent\u00f3w!<\/strong><\/h2>\n\n\n\n<p>\ud83d\udc49 <a href=\"https:\/\/infoshareacademy.com\/blog\/2021\/06\/09\/azymut-na-it-od-kiedy-pracuje-w-branzy-it-czuje-ogromna-satysfakcje\/\">Elektronik\u0119 zamieni\u0142 na programowanie &#8211; historia Jaros\u0142awa Witowskiego<\/a><\/p>\n\n\n\n<p>\ud83d\udc49 <a href=\"https:\/\/infoshareacademy.com\/blog\/2021\/05\/25\/azymut-na-it-absolwentka-rachunkowosci-ktora-zostala-programistka-frontend\/\">Zamiast zarz\u0105dza\u0107 finansami rozwija zagraniczn\u0105 aplikacj\u0119 &#8211; historia Magdy K\u0142opotek<\/a><\/p>\n\n\n\n<p>\ud83d\udc49 <a href=\"https:\/\/infoshareacademy.com\/blog\/2021\/05\/18\/azymut-na-it-jak-zamienic-architekture-wnetrz-na-programowanie\/\">Architektka wn\u0119trz, kt\u00f3ra zosta\u0142a programistk\u0105 &#8211; historia Julii \u0141ojek <\/a><\/p>\n\n\n\n<p>\ud83d\udc49 <a href=\"https:\/\/infoshareacademy.com\/blog\/2021\/05\/07\/azymut-na-it-o-tym-jak-krol-swingowych-parkietow-zostal-programista\/\">Od tancerza do programisty &#8211; historia Wiktora Jagie\u0142\u0142o<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Data Science to jedna z tych dziedzin IT, kt\u00f3ra na naszych oczach potrafi zmienia\u0107 otaczaj\u0105cy nasz \u015bwiat. Wraz ze wzrostem mocy obliczeniowej komputer\u00f3w, powstaj\u0105 nowe, bardziej zaawansowane algorytmy, kt\u00f3re umo\u017cliwiaj\u0105 tworzenie rzeczy znanych do tej pory z powie\u015bci Sci-Fi.&nbsp; Ka\u017cdy kurs weekendowy Data Science w infoShare Academy ko\u0144czy si\u0119 projektem zaliczeniowym. Na kursach tworzone s\u0105 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":11387,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,222,100],"tags":[110],"class_list":["post-11386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-science","category-projekty-data-science","category-projekty-kursantow","tag-projekty-kursantow-ds"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Projekt kursant\u00f3w bootcampu Data Science: Traffic Signs Classification<\/title>\n<meta name=\"description\" content=\"Kursanci z zespo\u0142u Data Busters zbudowali model CNN do rozpoznawania znak\u00f3w drogowych oraz aplikacj\u0119 \u00f3w model wykorzystuj\u0105c\u0105. 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