{"id":36726,"date":"2019-10-31T22:13:23","date_gmt":"2019-10-31T19:13:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/stroim-sistemu-raspoznavaniya-lits-na-osnove-golang-i-opencv\/"},"modified":"2019-10-31T22:13:23","modified_gmt":"2019-10-31T19:13:23","slug":"stroim-sistemu-raspoznavaniya-lits-na-osnove-golang-i-opencv","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/stroim-sistemu-raspoznavaniya-lits-na-osnove-golang-i-opencv","title":{"rendered":"Costruiamo un sistema di riconoscimento facciale basato su Golang e OpenCV","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Costruiamo un sistema di riconoscimento facciale basato su Golang e OpenCV\" src=\"\/wp-content\/uploads\/2019\/08\/053427f29ed319ede4498f2239044341.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nOpenCV \u2014 una biblioteca sviluppata per progetti di visione artificiale. Ha circa 20 anni. L'ho utilizzata gi\u00e0 al college e continuo a farne uso nei miei progetti in C++ e Python, poich\u00e9 offre un buon supporto per questi linguaggi.<\/p>\n<p>Ma quando ho iniziato a studiare e utilizzare Go, mi sono chiesto se fosse possibile usare OpenCV con questo linguaggio. All'epoca esistevano gi\u00e0 esempi e tutorial sull'integrazione, ma mi sembravano troppo complessi. Poco dopo, sono venuto a conoscenza di un wrapper creato dal team di The Hybrid Group. In questo articolo mostrer\u00f2 come iniziare con GoCV, sviluppando un semplice sistema di riconoscimento facciale utilizzando le Haar Cascades.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<blockquote><p><b>Skillbox consiglia:<\/b> Corso pratico <noindex><a rel=\"nofollow\" href=\"https:\/\/skillbox.ru\/python\/?utm_source=skillbox.media&amp;utm_medium=habr.com&amp;utm_campaign=PTNDEV&amp;utm_content=articles&amp;utm_term=govideo\">\u00abSviluppatore Python da zero\u00bb<\/a><\/noindex>.<\/p>\n<p><b>Ricordiamo:<\/b> <i>per tutti i lettori di \u00abHabr\u00bb \u2014 sconto di 10.000 rubli per l'iscrizione a qualsiasi corso Skillbox con il codice promozionale \u00abHabr\u00bb.<\/i>\n<\/p><\/blockquote>\n<p>\n<b>Cosa serve:<\/b><\/p>\n<ul>\n<li>Go;<\/li>\n<li>OpenCV (link per l'installer qui sotto);<\/li>\n<li>una webcam o una videocamera normale.<\/li>\n<\/ul>\n<p>\n<b>Installazione<\/b><\/p>\n<ul>\n<li>Linux: <noindex><a rel=\"nofollow\" href=\"https:\/\/gocv.io\/getting-started\/linux\/\">gocv.io\/getting-started\/linux<\/a><\/noindex><\/li>\n<li>macOS: <noindex><a rel=\"nofollow\" href=\"https:\/\/gocv.io\/getting-started\/macos\/\">gocv.io\/getting-started\/macos<\/a><\/noindex><\/li>\n<li>Windows: <noindex><a rel=\"nofollow\" href=\"https:\/\/gocv.io\/getting-started\/windows\/\">gocv.io\/getting-started\/windows<\/a><\/noindex><\/li>\n<\/ul>\n<p><\/p>\n<h3>Esempio 1<\/h3>\n<p>\nNel primo esempio proveremo a creare un'applicazione che apre una finestra per dimostrare il flusso video della camera.<\/p>\n<p>Inizialmente bisogna importare le librerie necessarie per il funzionamento.<\/p>\n<p><i>import (<br \/>\n \"log\"<br \/>\n \"gocv.io\/x\/gocv\"<br \/>\n)<\/i><\/p>\n<p>Dopo di ci\u00f2, \u00e8 necessario creare un oggetto VideoCapture utilizzando la funzione VideoCaptureDevice. Quest'ultima consente di acquisire il flusso video tramite la fotocamera. Nella funzione si utilizza un intero come parametro (che rappresenta l'ID del dispositivo).<\/p>\n<pre><code class=\"go\">webcam, err := gocv.VideoCaptureDevice(0)\nif err != nil { log.Fatalf(\"errore nell'apertura della webcam: %v\", err)\n}\ndefer webcam.Close()<\/code><\/pre>\n<p>\nOra \u00e8 necessario creare una matrice n-dimensionale. Essa conserver\u00e0 le immagini lette dalla fotocamera.<\/p>\n<pre><code class=\"go\">img := gocv.NewMat()\ndefer img.Close()<\/code><\/pre>\n<p>\nPer visualizzare il flusso video, \u00e8 necessario creare una finestra \u2014 ci\u00f2 pu\u00f2 essere fatto utilizzando la funzione NewWindow.<\/p>\n<pre><code class=\"go\">window := gocv.NewWindow(\"webcamwindow\")\ndefer window.Close()<\/code><\/pre>\n<p>\nOra passiamo alla parte pi\u00f9 interessante.<\/p>\n<p>Poich\u00e9 il video rappresenta un flusso continuo di fotogrammi-immagini, sar\u00e0 necessario creare un ciclo infinito per leggere continuativamente il flusso video della fotocamera. A tal fine, \u00e8 necessario il metodo Read del tipo VideoCapture. Questo aspetter\u00e0 un tipo Mat (la matrice che abbiamo creato sopra), restituendo un valore booleano che indica se il fotogramma \u00e8 stato letto con successo oppure no.<\/p>\n<pre><code class=\"go\">for { \n if ok := webcam.Read(&amp;img); !ok || img.Empty() {\n log.Println(\"Impossibile leggere dalla webcam\") continue\n }\n.\n.\n.\n}<\/code><\/pre>\n<p>\nOra \u00e8 necessario visualizzare il frame nella finestra creata. Pausa per passare al prossimo frame \u2014 50 ms.<\/p>\n<p><i>window.IMShow(img)<br \/>\nwindow.WaitKey(50)<\/i><\/p>\n<p>Una volta avviata l'applicazione, si aprir\u00e0 una finestra con il flusso video dalla fotocamera.<\/p>\n<p><img decoding=\"async\" alt=\"Costruiamo un sistema di riconoscimento facciale basato su Golang e OpenCV\" src=\"\/wp-content\/uploads\/2019\/08\/02677722c3c3fb867f73917c53031f07.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <\/p>\n<pre><code class=\"go\">package main\n \nimport (\n\"log\"\n \n\"gocv.io\/x\/gocv\"\n)\n \nfunc main() {\nwebcam, err := gocv.VideoCaptureDevice(0)\nif err != nil {\n    log.Fatalf(\"errore nell'apertura del dispositivo: %v\", err)\n}\ndefer webcam.Close()\n \nimg := gocv.NewMat()\ndefer img.Close()\n \nwindow := gocv.NewWindow(\"webcamwindow\")\ndefer window.Close()\n \nfor {\nif ok := webcam.Read(&amp;img); !ok || img.Empty() {\nlog.Println(\"Impossibile leggere dalla webcam\")\ncontinue\n}\n \nwindow.IMShow(img)\nwindow.WaitKey(50)\n}\n}<\/code><\/pre>\n<p><\/p>\n<h3>Esempio 2<\/h3>\n<p>\nIn questo esempio, utilizziamo l'esempio precedente per costruire un sistema di riconoscimento facciale basato su Haar Cascades.<\/p>\n<p>Le Haar Cascades sono classificatori a cascata addestrati utilizzando la tecnica delle wavelet Haar. Esse analizzano i pixel dell'immagine per rilevare determinate caratteristiche. Per saperne di pi\u00f9 sulle Haar Cascades, puoi seguire i link qui sotto.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.cs.ubc.ca\/~lowe\/425\/slides\/13-ViolaJones.pdf?source=post_page---------------------------\">Framework di rilevamento oggetti Viola-Jones<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cascading_classifiers?source=post_page---------------------------\">Classificatori a cascata<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Haar-like_feature?source=post_page---------------------------\">Caratteristiche simili a Haar<\/a><\/noindex><\/p>\n<p>Scarica cascades gi\u00e0 addestrati <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/opencv\/opencv\/tree\/master\/data\/haarcascades?source=post_page---------------------------\">qui<\/a><\/noindex>. Nel presente esempio, le cascades verranno utilizzate per identificare il volto di una persona di fronte.<\/p>\n<p>Per fare questo, \u00e8 necessario creare un classificatore e fornirgli un file gi\u00e0 addestrato (il link \u00e8 fornito qui sopra). Ho gi\u00e0 caricato il file pencv_haarcascade_frontalface_default.xml nella directory in cui si trova il nostro programma.<\/p>\n<pre><code class=\"go\">harrcascade := \"opencv_haarcascade_frontalface_default.xml\"classifier := gocv.NewCascadeClassifier()classifier.Load(harrcascade)\ndefer classifier.Close()<\/code><\/pre>\n<p>\nPer rilevare i volti nell'immagine, \u00e8 necessario utilizzare il metodo <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/hybridgroup\/gocv\/blob\/master\/objdetect.go?source=post_page---------------------------#L51\">DetectMultiScale<\/a><\/noindex>. Questa funzione prende un fotogramma (tipo Mat), che \u00e8 stato appena letto dal flusso video della telecamera, e restituisce un array di tipo Rectangle. La dimensione dell'array rappresenta il numero di volti che il classificatore \u00e8 riuscito a rilevare nel fotogramma. Quindi, per assicurarci di vedere ci\u00f2 che ha trovato, attraversiamo l'elenco dei rettangoli e visualizziamo l'oggetto Rectangle sulla console, creando un bordo attorno al rettangolo rilevato. Questo pu\u00f2 essere fatto utilizzando la funzione Rectangle. Essa accetter\u00e0 Mat, letto dalla telecamera, oggetto Rectangle restituito dal metodo DetectMultiScale, colore e spessore per il bordo.<\/p>\n<pre><code class=\"go\">for _, r := range rects {\nfmt.Println(\"detected\", r)\ngocv.Rectangle(&amp;img, r, color, 2)\n}<\/code><\/pre>\n<p>\n<img decoding=\"async\" alt=\"Costruiamo un sistema di riconoscimento facciale basato su Golang e OpenCV\" src=\"\/wp-content\/uploads\/2019\/08\/5c9128572d0f832325b2d19dd0d03b61.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\n<img decoding=\"async\" alt=\"Costruiamo un sistema di riconoscimento facciale basato su Golang e OpenCV\" src=\"\/wp-content\/uploads\/2019\/08\/57a901331c7f109067c7f254f982a2b0.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <\/p>\n<pre><code class=\"go\">package main\n \nimport (\n\"fmt\"\n\"image\/color\"\n\"log\"\n \n\"gocv.io\/x\/gocv\"\n)\n \nfunc main() {\nwebcam, err := gocv.VideoCaptureDevice(0)\nif err != nil {\nlog.Fatalf(\"errore nell'aprire la webcam: %v\", err)\n}\ndefer webcam.Close()\n \nimg := gocv.NewMat()\ndefer img.Close()\n \nwindow := gocv.NewWindow(\"finestrawecam\")\ndefer window.Close()\n \nharrcascade := \"opencv_haarcascade_frontalface_default.xml\"\nclassifier := gocv.NewCascadeClassifier()\nclassifier.Load(harrcascade)\ndefer classifier.Close()\n \ncolor := color.RGBA{0, 255, 0, 0}\nfor {\nif ok := webcam.Read(&amp;img); !ok || img.Empty() {\nlog.Println(\"Impossibile leggere dal dispositivo\")\ncontinue\n}\n \nrects := classifier.DetectMultiScale(img)\nfor _, r := range rects {\nfmt.Println(\"rilevato\", r)\ngocv.Rectangle(&amp;img, r, color, 3)\n}\n \nwindow.IMShow(img)\nwindow.WaitKey(50)\n}\n}<\/code><\/pre>\n<p>\nE... s\u00ec, ce l'abbiamo fatta! Ora abbiamo un semplice sistema di riconoscimento facciale scritto in Go. Presto intendo continuare questi esperimenti e creare cose nuove e interessanti combinando Go e OpenCV.<\/p>\n<p>Se siete interessati, vi invito a dare un'occhiata <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Niraj-Fonseka\/recognize?source=post_page---------------------------\">server web gRPC<\/a><\/noindex>, che ho scritto in Python e OpenCV. Esegue lo streaming dei dati al momento del riconoscimento del volto. Questa \u00e8 la base per creare diversi client in vari linguaggi di programmazione. Possono collegarsi al server e leggere i dati.<\/p>\n<p>Grazie per aver letto l'articolo!<\/p>\n<blockquote><p><b>Skillbox consiglia:<\/b><\/p>\n<ul>\n<li>Corso pratico di due anni <noindex><a rel=\"nofollow\" href=\"https:\/\/iamwebdev.skillbox.ru\/?utm_source=skillbox.media&amp;utm_medium=habr.com&amp;utm_campaign=WEBDEVPRO&amp;utm_content=articles&amp;utm_term=govideo\">\u00abSono uno sviluppatore web PRO\u00bb<\/a><\/noindex>.<\/li>\n<li>Corso online educativo <noindex><a rel=\"nofollow\" href=\"https:\/\/skillbox.ru\/java\/?utm_source=skillbox.media&amp;utm_medium=habr.com&amp;utm_campaign=JAVDEV&amp;utm_content=articles&amp;utm_term=govideo\">\u00abProfessione Sviluppatore Java\u00bb<\/a><\/noindex>.<\/li>\n<li>Corso pratico annuale <noindex><a rel=\"nofollow\" href=\"https:\/\/skillbox.ru\/php\/?utm_source=skillbox.media&amp;utm_medium=habr.com&amp;utm_campaign=PHPDEV&amp;utm_content=articles&amp;utm_term=govideo\">\u00abSviluppatore PHP da 0 a PRO\u00bb<\/a><\/noindex>.\n<\/li>\n<\/ul>\n<\/blockquote>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/skillbox\/blog\/462159\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>OpenCV \u2014 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u0430\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043f\u043e \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u043e\u043c\u0443 \u0437\u0440\u0435\u043d\u0438\u044e. \u0415\u0439 \u0443\u0436\u0435 \u043e\u043a\u043e\u043b\u043e 20 \u043b\u0435\u0442. \u042f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b \u0435\u0435 \u0435\u0449\u0435 \u0432 \u043a\u043e\u043b\u043b\u0435\u0434\u0436\u0435 \u0438 \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e \u0434\u043b\u044f \u0441\u0432\u043e\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043d\u0430 C++ \u0438 Python, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043e\u043d\u0430 \u0438\u043c\u0435\u0435\u0442 \u043d\u0435\u043f\u043b\u043e\u0445\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u044d\u0442\u0438\u0445 \u044f\u0437\u044b\u043a\u043e\u0432. \u041d\u043e \u043a\u043e\u0433\u0434\u0430 \u044f \u043d\u0430\u0447\u0430\u043b \u0438\u0437\u0443\u0447\u0430\u0442\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c Go, \u043c\u043d\u0435 \u0441\u0442\u0430\u043b\u043e \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e, \u043c\u043e\u0436\u043d\u043e \u043b\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c OpenCV \u0434\u043b\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27509,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-36726","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"OpenCV \u2014 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u0430\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043f\u043e \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u043e\u043c\u0443 \u0437\u0440\u0435\u043d\u0438\u044e. \u0415\u0439 \u0443\u0436\u0435 \u043e\u043a\u043e\u043b\u043e 20 \u043b\u0435\u0442. \u042f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b \u0435\u0435 \u0435\u0449\u0435 \u0432 \u043a\u043e\u043b\u043b\u0435\u0434\u0436\u0435 \u0438 \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e \u0434\u043b\u044f \u0441\u0432\u043e\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043d\u0430 C++ \u0438 Python, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043e\u043d\u0430 \u0438\u043c\u0435\u0435\u0442 \u043d\u0435\u043f\u043b\u043e\u0445\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u044d\u0442\u0438\u0445 \u044f\u0437\u044b\u043a\u043e\u0432. \u041d\u043e \u043a\u043e\u0433\u0434\u0430 \u044f \u043d\u0430\u0447\u0430\u043b \u0438\u0437\u0443\u0447\u0430\u0442\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c Go, \u043c\u043d\u0435 \u0441\u0442\u0430\u043b\u043e \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e, \u043c\u043e\u0436\u043d\u043e \u043b\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c OpenCV \u0434\u043b\u044f\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/stroim-sistemu-raspoznavaniya-lits-na-osnove-golang-i-opencv\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"it_IT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0421\u0442\u0440\u043e\u0438\u043c \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u043b\u0438\u0446 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 Golang \u0438 OpenCV | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"OpenCV \u2014 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u0430\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043f\u043e \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u043e\u043c\u0443 \u0437\u0440\u0435\u043d\u0438\u044e. \u0415\u0439 \u0443\u0436\u0435 \u043e\u043a\u043e\u043b\u043e 20 \u043b\u0435\u0442. \u042f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b \u0435\u0435 \u0435\u0449\u0435 \u0432 \u043a\u043e\u043b\u043b\u0435\u0434\u0436\u0435 \u0438 \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e \u0434\u043b\u044f \u0441\u0432\u043e\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043d\u0430 C++ \u0438 Python, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043e\u043d\u0430 \u0438\u043c\u0435\u0435\u0442 \u043d\u0435\u043f\u043b\u043e\u0445\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u044d\u0442\u0438\u0445 \u044f\u0437\u044b\u043a\u043e\u0432. \u041d\u043e \u043a\u043e\u0433\u0434\u0430 \u044f \u043d\u0430\u0447\u0430\u043b \u0438\u0437\u0443\u0447\u0430\u0442\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c Go, \u043c\u043d\u0435 \u0441\u0442\u0430\u043b\u043e \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e, \u043c\u043e\u0436\u043d\u043e \u043b\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c OpenCV \u0434\u043b\u044f\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/stroim-sistemu-raspoznavaniya-lits-na-osnove-golang-i-opencv\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:13:23+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:13:23+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Costruiamo un sistema di riconoscimento facciale basato su Golang e OpenCV | ProHoster","description":"OpenCV \u2014 una libreria sviluppata per progetti di visione artificiale. Ha circa 20 anni. L'ho usata gi\u00e0 al college e continuo a utilizzarla per i miei progetti in C++ e Python, poich\u00e9 ha un'ottima supporto per questi linguaggi. Ma quando ho iniziato a studiare e usare Go, mi sono chiesto se fosse possibile applicare OpenCV per","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/stroim-sistemu-raspoznavaniya-lits-na-osnove-golang-i-opencv","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","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\udd47\u0421\u0442\u0440\u043e\u0438\u043c \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u043b\u0438\u0446 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 Golang \u0438 OpenCV | ProHoster","og:description":"OpenCV \u2014 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u0430\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043f\u043e \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043d\u043e\u043c\u0443 \u0437\u0440\u0435\u043d\u0438\u044e. \u0415\u0439 \u0443\u0436\u0435 \u043e\u043a\u043e\u043b\u043e 20 \u043b\u0435\u0442. \u042f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b \u0435\u0435 \u0435\u0449\u0435 \u0432 \u043a\u043e\u043b\u043b\u0435\u0434\u0436\u0435 \u0438 \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e \u0434\u043b\u044f \u0441\u0432\u043e\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043d\u0430 C++ \u0438 Python, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043e\u043d\u0430 \u0438\u043c\u0435\u0435\u0442 \u043d\u0435\u043f\u043b\u043e\u0445\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u044d\u0442\u0438\u0445 \u044f\u0437\u044b\u043a\u043e\u0432. \u041d\u043e \u043a\u043e\u0433\u0434\u0430 \u044f \u043d\u0430\u0447\u0430\u043b \u0438\u0437\u0443\u0447\u0430\u0442\u044c \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c Go, \u043c\u043d\u0435 \u0441\u0442\u0430\u043b\u043e \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e, \u043c\u043e\u0436\u043d\u043e \u043b\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c OpenCV \u0434\u043b\u044f","og:url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/stroim-sistemu-raspoznavaniya-lits-na-osnove-golang-i-opencv","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T19:13:23+00:00","article:modified_time":"2019-10-31T19:13:23+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"36726","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-22 04:36:19","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:40:22","updated":"2026-01-22 04:36:19"},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/36726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/comments?post=36726"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/posts\/36726\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/media\/27509"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/media?parent=36726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/categories?post=36726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/it\/wp-json\/wp\/v2\/tags?post=36726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}