Opencv tutorial

<style>/*<meta name='google-adsense-platform-account' content='ca-host-pub-1556223355139109'/>
<meta name='google-adsense-platform-domain' content='blogspot.com'/>

<!-- data-ad-client=ca-pub-0580779726789546 -->

</head><body>*/</style>

HLS video streaming from Opencv and FFmpeg

Today’s article aims to demonstrate how to stream video processed in OpenCV as an HLS (HTTP Live Streaming) video stream using C++. I will u...

Vl 22 Aug, 2024

c++ optical flow , cuda::FarnebackOpticalFlow , opencv C ++ tutorial

OpenCV 4.5 simple optical flow GPU tutorial cuda::FarnebackOpticalFlow

This OpenCV tutorial is a very simple code example of GPU Cuda optical flow in OpenCV written in c++. The configuration of the project, code...

Vl 28 Nov, 2020

<style>/*
<script type="text/javascript" src="https://www.blogger.com/static/v1/widgets/1006401238-widgets.js"></script>
<script type='text/javascript'>
window['__wavt'] = 'AOuZoY4VXwT5N3i0XzN4sN3Kb-W67rSPGA:1725820027129';_WidgetManager._Init('//draft.blogger.com/rearrange?blogID\x3d8801279669140879434','//www.funvisiontutorials.com/search/label/Opencv%20tutorial?max-results\x3d10','8801279669140879434');
_WidgetManager._SetDataContext([{'name': 'blog', 'data': {'blogId': '8801279669140879434', 'title': 'Funvision opencv C++ tutorials', 'url': 'https://www.funvisiontutorials.com/search/label/Opencv%20tutorial?max-results\x3d10', 'canonicalUrl': 'https://www.funvisiontutorials.com/search/label/Opencv%20tutorial?max-results\x3d10', 'homepageUrl': 'https://www.funvisiontutorials.com/', 'searchUrl': 'https://www.funvisiontutorials.com/search', 'canonicalHomepageUrl': 'https://www.funvisiontutorials.com/', 'blogspotFaviconUrl': 'https://www.funvisiontutorials.com/favicon.ico', 'bloggerUrl': 'https://draft.blogger.com', 'hasCustomDomain': true, 'httpsEnabled': true, 'enabledCommentProfileImages': true, 'gPlusViewType': 'FILTERED_POSTMOD', 'adultContent': false, 'analyticsAccountNumber': 'G-R34XXL8PKF', 'analytics4': true, 'encoding': 'UTF-8', 'locale': 'en', 'localeUnderscoreDelimited': 'en', 'languageDirection': 'ltr', 'isPrivate': false, 'isMobile': false, 'isMobileRequest': false, 'mobileClass': '', 'isPrivateBlog': false, 'isDynamicViewsAvailable': true, 'feedLinks': '\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Funvision opencv C++ tutorials - Atom\x22 href\x3d\x22https://www.funvisiontutorials.com/feeds/posts/default\x22 /\x3e\n\x3clink rel\x3d\x22alternate\x22 type\x3d\x22application/rss+xml\x22 title\x3d\x22Funvision opencv C++ tutorials - RSS\x22 href\x3d\x22https://www.funvisiontutorials.com/feeds/posts/default?alt\x3drss\x22 /\x3e\n\x3clink rel\x3d\x22service.post\x22 type\x3d\x22application/atom+xml\x22 title\x3d\x22Funvision opencv C++ tutorials - Atom\x22 href\x3d\x22https://draft.blogger.com/feeds/8801279669140879434/posts/default\x22 /\x3e\n', 'meTag': '', 'adsenseClientId': 'ca-pub-0580779726789546', 'adsenseHostId': 'ca-host-pub-1556223355139109', 'adsenseHasAds': false, 'adsenseAutoAds': false, 'boqCommentIframeForm': true, 'loginRedirectParam': '', 'view': '', 'dynamicViewsCommentsSrc': '//www.blogblog.com/dynamicviews/4224c15c4e7c9321/js/comments.js', 'dynamicViewsScriptSrc': '//www.blogblog.com/dynamicviews/84658721a0d8effc', 'plusOneApiSrc': 'https://apis.google.com/js/platform.js', 'disableGComments': true, 'interstitialAccepted': false, 'sharing': {'platforms': [{'name': 'Get link', 'key': 'link', 'shareMessage': 'Get link', 'target': ''}, {'name': 'Facebook', 'key': 'facebook', 'shareMessage': 'Share to Facebook', 'target': 'facebook'}, {'name': 'BlogThis!', 'key': 'blogThis', 'shareMessage': 'BlogThis!', 'target': 'blog'}, {'name': 'Twitter', 'key': 'twitter', 'shareMessage': 'Share to Twitter', 'target': 'twitter'}, {'name': 'Pinterest', 'key': 'pinterest', 'shareMessage': 'Share to Pinterest', 'target': 'pinterest'}, {'name': 'Email', 'key': 'email', 'shareMessage': 'Email', 'target': 'email'}], 'disableGooglePlus': true, 'googlePlusShareButtonWidth': 0, 'googlePlusBootstrap': '\x3cscript type\x3d\x22text/javascript\x22\x3ewindow.___gcfg \x3d {\x27lang\x27: \x27en\x27};\x3c/script\x3e'}, 'hasCustomJumpLinkMessage': false, 'jumpLinkMessage': 'Read more', 'pageType': 'index', 'searchLabel': 'Opencv tutorial', 'pageName': 'Opencv tutorial', 'pageTitle': 'Funvision opencv C++ tutorials: Opencv tutorial', 'metaDescription': 'Opencv tutorials c++, Opencv gstreamer video stream, machine learning, opencv visual studio, opencv people detection, detection and tracking opencv,'}}, {'name': 'features', 'data': {}}, {'name': 'messages', 'data': {'edit': 'Edit', 'linkCopiedToClipboard': 'Link copied to clipboard!', 'ok': 'Ok', 'postLink': 'Post Link'}}, {'name': 'template', 'data': {'name': 'custom', 'localizedName': 'Custom', 'isResponsive': true, 'isAlternateRendering': false, 'isCustom': true}}, {'name': 'view', 'data': {'classic': {'name': 'classic', 'url': '?view\x3dclassic'}, 'flipcard': {'name': 'flipcard', 'url': '?view\x3dflipcard'}, 'magazine': {'name': 'magazine', 'url': '?view\x3dmagazine'}, 'mosaic': {'name': 'mosaic', 'url': '?view\x3dmosaic'}, 'sidebar': {'name': 'sidebar', 'url': '?view\x3dsidebar'}, 'snapshot': {'name': 'snapshot', 'url': '?view\x3dsnapshot'}, 'timeslide': {'name': 'timeslide', 'url': '?view\x3dtimeslide'}, 'isMobile': false, 'title': 'Funvision opencv C++ tutorials', 'description': 'Opencv tutorials c++, Opencv gstreamer video stream, machine learning, opencv visual studio, opencv people detection, detection and tracking opencv,', 'url': 'https://www.funvisiontutorials.com/search/label/Opencv%20tutorial?max-results\x3d10', 'type': 'feed', 'isSingleItem': false, 'isMultipleItems': true, 'isError': false, 'isPage': false, 'isPost': false, 'isHomepage': false, 'isArchive': false, 'isSearch': true, 'isLabelSearch': true, 'search': {'label': 'Opencv tutorial', 'resultsMessage': 'Showing posts with the label Opencv tutorial', 'resultsMessageHtml': 'Showing posts with the label \x3cspan class\x3d\x27search-label\x27\x3eOpencv tutorial\x3c/span\x3e'}}}, {'name': 'widgets', 'data': [{'title': 'Funvision', 'type': 'Image', 'sectionId': 'upload-image', 'id': 'Image10'}, {'title': 'Funvision opencv C++ tutorials (Header)', 'type': 'Header', 'sectionId': 'upload-image', 'id': 'Header1'}, {'title': 'Icons, Dark, Search', 'type': 'LinkList', 'sectionId': 'upload-image', 'id': 'LinkList1'}, {'title': '', 'type': 'ReportAbuse', 'sectionId': 'upload-image', 'id': 'ReportAbuse1'}, {'title': 'Search This Blog', 'type': 'BlogSearch', 'sectionId': 'upload-image', 'id': 'BlogSearch1'}, {'title': '', 'type': 'BlogArchive', 'sectionId': 'upload-image', 'id': 'BlogArchive1'}, {'title': '', 'type': 'PopularPosts', 'sectionId': 'upload-image', 'id': 'PopularPosts1', 'posts': [{'title': 'Opencv GStreamer (windows) video streaming tutorial + full source code for RTSP HLS streaming', 'id': 3034767932579644413}, {'title': 'OpenCV 4.5 simple optical flow GPU tutorial cuda::FarnebackOpticalFlow', 'id': 5409174001930818281}, {'title': 'Opencv tutorial RTMP video streaming to NGINX restream as HLS', 'id': 7145516258250564626}]}, {'title': 'Logo', 'type': 'HTML', 'sectionId': 'header-main', 'id': 'HTML10'}, {'title': 'Icons, Dark, Search', 'type': 'LinkList', 'sectionId': 'header-main', 'id': 'LinkList10'}, {'title': 'Menu', 'type': 'LinkList', 'sectionId': 'header-main', 'id': 'LinkList11'}, {'title': 'Featured Post', 'type': 'FeaturedPost', 'sectionId': 'before-blog', 'id': 'FeaturedPost1', 'postId': '7145516258250564626'}, {'title': 'Blog Posts', 'type': 'Blog', 'sectionId': 'blog-post', 'id': 'Blog1', 'posts': [{'id': '3723467048909600152', 'title': 'HLS video streaming from Opencv and FFmpeg', 'featuredImage': 'https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_tjoCMdrVCalFUOWPDNXMRoRI1Ge5cXdgiJPm_YOvDMtEdB9TEe2O7SgolGb32eG2r5NJHv8QTxeCCG0jCGySJULTiJ9_8Tn9KmDzPqlGNqAFqnVU0IcHcoGvzTNDzFxcp3B-F2IQo', 'showInlineAds': false}, {'id': '5409174001930818281', 'title': 'OpenCV 4.5 simple optical flow GPU tutorial cuda::FarnebackOpticalFlow', 'featuredImage': 'https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggDKlnNCRmst3STzmp1h4ZOllnVQITvl0X-AqrEkwUcclTKx0hEaN6lQNa-thFgmfYjJhhtLN4LPZbXAIgKPV9uS41TrDOP84REGou9VuKJSz_5RHNq6yAinscbc7DFX3aSbCrC0qwy7M/w320-h252/optflow.PNG', 'showInlineAds': false}], 'headerByline': {'regionName': 'header1', 'items': [{'name': 'author', 'label': 'By'}, {'name': 'timestamp', 'label': 'd MMM, yyyy'}]}, 'footerBylines': [{'regionName': 'footer2', 'items': [{'name': 'labels', 'label': 'Labels:'}]}, {'regionName': 'footer3', 'items': [{'name': 'comments', 'label': 'Comment'}, {'name': 'icons', 'label': ''}, {'name': 'share', 'label': ''}]}], 'allBylineItems': [{'name': 'author', 'label': 'By'}, {'name': 'timestamp', 'label': 'd MMM, yyyy'}, {'name': 'labels', 'label': 'Labels:'}, {'name': 'comments', 'label': 'Comment'}, {'name': 'icons', 'label': ''}, {'name': 'share', 'label': ''}]}, {'title': '#You may also like', 'type': 'HTML', 'sectionId': 'ads-post', 'id': 'HTML15'}, {'title': 'Labels', 'type': 'Label', 'sectionId': 'after-blog', 'id': 'Label4'}, {'title': 'Popular Posts', 'type': 'PopularPosts', 'sectionId': 'sidebar-static', 'id': 'PopularPosts10', 'posts': [{'title': 'HLS video streaming from Opencv and FFmpeg', 'id': 3723467048909600152}, {'title': 'Opencv GStreamer (windows) video streaming tutorial + full source code for RTSP HLS streaming', 'id': 3034767932579644413}, {'title': 'Opencv tutorial RTMP video streaming to NGINX restream as HLS', 'id': 7145516258250564626}, {'title': 'OpenCV 4.5 simple optical flow GPU tutorial cuda::FarnebackOpticalFlow', 'id': 5409174001930818281}, {'title': 'VCPKG for OpenCV Cmake project - Video tutorial', 'id': 1665982924668820912}]}, {'title': '#Recent Post', 'type': 'HTML', 'sectionId': 'sidebar-static', 'id': 'HTML19'}, {'title': 'Blog Archive', 'type': 'BlogArchive', 'sectionId': 'sidebar-static', 'id': 'BlogArchive10'}, {'title': 'About Us', 'type': 'HTML', 'sectionId': 'footer-widget', 'id': 'HTML21'}, {'title': 'Copyright', 'type': 'HTML', 'sectionId': 'copyright', 'id': 'HTML23'}, {'title': 'SVG Icons', 'type': 'HTML', 'sectionId': 'jet-options', 'id': 'HTML24'}]}]);
_WidgetManager._RegisterWidget('_ImageView', new _WidgetInfo('Image10', 'upload-image', document.getElementById('Image10'), {'resize': false}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HeaderView', new _WidgetInfo('Header1', 'upload-image', document.getElementById('Header1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList1', 'upload-image', document.getElementById('LinkList1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_ReportAbuseView', new _WidgetInfo('ReportAbuse1', 'upload-image', document.getElementById('ReportAbuse1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_BlogSearchView', new _WidgetInfo('BlogSearch1', 'upload-image', document.getElementById('BlogSearch1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_BlogArchiveView', new _WidgetInfo('BlogArchive1', 'upload-image', document.getElementById('BlogArchive1'), {'languageDirection': 'ltr', 'loadingMessage': 'Loading\x26hellip;'}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_PopularPostsView', new _WidgetInfo('PopularPosts1', 'upload-image', document.getElementById('PopularPosts1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML10', 'header-main', document.getElementById('HTML10'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList10', 'header-main', document.getElementById('LinkList10'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LinkListView', new _WidgetInfo('LinkList11', 'header-main', document.getElementById('LinkList11'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_FeaturedPostView', new _WidgetInfo('FeaturedPost1', 'before-blog', document.getElementById('FeaturedPost1'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_BlogView', new _WidgetInfo('Blog1', 'blog-post', document.getElementById('Blog1'), {'cmtInteractionsEnabled': false, 'navMessage': 'Showing posts with label \x3cb\x3eOpencv tutorial\x3c/b\x3e. \x3ca href\x3d\x22https://www.funvisiontutorials.com/\x22\x3eShow all posts\x3c/a\x3e', 'lightboxEnabled': true, 'lightboxModuleUrl': 'https://www.blogger.com/static/v1/jsbin/3593971754-lbx.js', 'lightboxCssUrl': 'https://www.blogger.com/static/v1/v-css/13464135-lightbox_bundle.css'}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML15', 'ads-post', document.getElementById('HTML15'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_LabelView', new _WidgetInfo('Label4', 'after-blog', document.getElementById('Label4'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_PopularPostsView', new _WidgetInfo('PopularPosts10', 'sidebar-static', document.getElementById('PopularPosts10'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML19', 'sidebar-static', document.getElementById('HTML19'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_BlogArchiveView', new _WidgetInfo('BlogArchive10', 'sidebar-static', document.getElementById('BlogArchive10'), {'languageDirection': 'ltr', 'loadingMessage': 'Loading\x26hellip;'}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML21', 'footer-widget', document.getElementById('HTML21'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML23', 'copyright', document.getElementById('HTML23'), {}, 'displayModeFull'));
_WidgetManager._RegisterWidget('_HTMLView', new _WidgetInfo('HTML24', 'jet-options', document.getElementById('HTML24'), {}, 'displayModeFull'));
</script>
</body>*/</style>