Visual Recognition Dashboard Example
Perform Image analysis of pictures attached to Tweets using the Watson Visual Recognition service
Last updated
Perform Image analysis of pictures attached to Tweets using the Watson Visual Recognition service
Last updated
This flow uses Watson Visual Recognition to analyze images from tweets. It also mesures the sentiment score of the tweets on a guage.
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{
"id":"e166925b.1b30f",
"type":"tab",
"label":"Twitter Image Analysis",
"disabled":false,
"info":""
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"type":"ui_template",
"z":"e166925b.1b30f",
"group":"5a33565a.fc9bb",
"name":"Photo",
"order":3,
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"height":"7",
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"type":"comment",
"z":"e166925b.1b30f",
"name":"Reload picture into Node-RED Dashboard",
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{
"id":"59539967.0c365",
"type":"function",
"z":"e166925b.1b30f",
"name":"Extract Twitter Image URL",
"func":"msg.payload = \"\";\nif (typeof msg.tweet.entities.media !== 'undefined') {\n if (typeof msg.tweet.entities.media[0].media_url !== 'undefined') {\n msg.payload = msg.tweet.entities.media[0].media_url;\n } \n}\n\nif (typeof msg.tweet.extended_tweet !== 'undefined') {\n if (typeof msg.tweet.extended_tweet.entities !== 'undefined') {\n if (typeof msg.tweet.extended_tweet.entities.media !== 'undefined') {\n if (typeof msg.tweet.extended_tweet.entities.media[0].media_url !== 'undefined') {\n msg.payload = msg.tweet.extended_tweet.entities.media[0].media_url_https;\n }\n }\n }\n}\n\nif(typeof msg.tweet.retweeted_status !== 'undefined') {\n if( typeof msg.tweet.retweeted_status.extended_tweet !== 'undefined') {\n if( typeof msg.tweet.retweeted_status.extended_tweet.entities !== 'undefined') {\n if( typeof msg.tweet.retweeted_status.extended_tweet.entities.media !== 'undefined') {\n if( typeof msg.tweet.retweeted_status.extended_tweet.entities.media[0].media_url !== 'undefined') {\n msg.payload = msg.tweet.retweeted_status.extended_tweet.entities.media[0].media_url;\n }\n }\n }\n }\n}\n\n\nif( msg.payload.length ) {\n msg.template = \"<img width=\\\"300\\\" height=\\\"300\\\" alt=\\\"Twitter Image\\\" src=\\\"\"+msg.payload+\"\\\">\";\n return [ msg, null ];\n} else {\n return [ null, msg ];\n}",
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"noerr":0,
"x":270,
"y":260,
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"type":"debug",
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"type":"inject",
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"payload":"{\"created_at\":\"Sat Sep 23 14:19:37 +0000 2017\",\"id\":911595915168899100,\"id_str\":\"911595915168899072\",\"text\":\"RT @IBM: Watch how a new solution is harnessing the power of #IBMIot to combat the poaching of endangered 🦏:… \",\"source\":\"<a href=\\\"http://twitter.com\\\" rel=\\\"nofollow\\\">Twitter Web Client</a>\",\"truncated\":false,\"in_reply_to_status_id\":null,\"in_reply_to_status_id_str\":null,\"in_reply_to_user_id\":null,\"in_reply_to_user_id_str\":null,\"in_reply_to_screen_name\":null,\"user\":{\"id\":2577403879,\"id_str\":\"2577403879\",\"name\":\"John Walicki\",\"screen_name\":\"johnwalicki\",\"location\":\"New Jersey, USA\",\"url\":null,\"description\":\"IBM Watson Internet of Things Developer Advocate, Über Geek, Family Guy. #IoT #OpenSource, #Linux, #AI My tweets are my own.\",\"translator_type\":\"none\",\"protected\":false,\"verified\":false,\"followers_count\":646,\"friends_count\":850,\"listed_count\":153,\"favourites_count\":1770,\"statuses_count\":1473,\"created_at\":\"Thu Jun 19 19:54:32 +0000 2014\",\"utc_offset\":null,\"time_zone\":null,\"geo_enabled\":false,\"lang\":\"en\",\"contributors_enabled\":false,\"is_translator\":false,\"profile_background_color\":\"C0DEED\",\"profile_background_image_url\":\"http://abs.twimg.com/images/themes/theme1/bg.png\",\"profile_background_image_url_https\":\"https://abs.twimg.com/images/themes/theme1/bg.png\",\"profile_background_tile\":false,\"profile_link_color\":\"1DA1F2\",\"profile_sidebar_border_color\":\"C0DEED\",\"profile_sidebar_fill_color\":\"DDEEF6\",\"profile_text_color\":\"333333\",\"profile_use_background_image\":true,\"profile_image_url\":\"http://pbs.twimg.com/profile_images/711615965721718784/7My0kbZI_normal.jpg\",\"profile_image_url_https\":\"https://pbs.twimg.com/profile_images/711615965721718784/7My0kbZI_normal.jpg\",\"profile_banner_url\":\"https://pbs.twimg.com/profile_banners/2577403879/1476478381\",\"default_profile\":true,\"default_profile_image\":false,\"following\":null,\"follow_request_sent\":null,\"notifications\":null},\"geo\":null,\"coordinates\":null,\"place\":null,\"contributors\":null,\"retweeted_status\":{\"created_at\":\"Fri Sep 22 13:15:04 +0000 2017\",\"id\":911217282067714000,\"id_str\":\"911217282067714048\",\"text\":\"Watch how a new solution is harnessing the power of #IBMIot to combat the poaching of endangered 🦏:… https://t.co/91BD2uZqFk\",\"display_text_range\":[0,140],\"source\":\"<a href=\\\"https://www.sprinklr.com\\\" rel=\\\"nofollow\\\">Sprinklr</a>\",\"truncated\":true,\"in_reply_to_status_id\":null,\"in_reply_to_status_id_str\":null,\"in_reply_to_user_id\":null,\"in_reply_to_user_id_str\":null,\"in_reply_to_screen_name\":null,\"user\":{\"id\":18994444,\"id_str\":\"18994444\",\"name\":\"IBM\",\"screen_name\":\"IBM\",\"location\":\"Armonk, New York\",\"url\":\"http://www.ibm.com\",\"description\":\"Official IBM Twitter account. Follows the IBM Social Computing Guidelines.\",\"translator_type\":\"none\",\"protected\":false,\"verified\":true,\"followers_count\":396044,\"friends_count\":6427,\"listed_count\":5154,\"favourites_count\":2637,\"statuses_count\":9814,\"created_at\":\"Wed Jan 14 20:41:57 +0000 2009\",\"utc_offset\":-14400,\"time_zone\":\"Eastern Time (US & Canada)\",\"geo_enabled\":false,\"lang\":\"en\",\"contributors_enabled\":false,\"is_translator\":false,\"profile_background_color\":\"FFFFFF\",\"profile_background_image_url\":\"http://pbs.twimg.com/profile_background_images/378800000152426467/Viwc1IvP.jpeg\",\"profile_background_image_url_https\":\"https://pbs.twimg.com/profile_background_images/378800000152426467/Viwc1IvP.jpeg\",\"profile_background_tile\":false,\"profile_link_color\":\"2FC2EF\",\"profile_sidebar_border_color\":\"000000\",\"profile_sidebar_fill_color\":\"252429\",\"profile_text_color\":\"666666\",\"profile_use_background_image\":false,\"profile_image_url\":\"http://pbs.twimg.com/profile_images/875111316821651456/AmZkYTWP_normal.jpg\",\"profile_image_url_https\":\"https://pbs.twimg.com/profile_images/875111316821651456/AmZkYTWP_normal.jpg\",\"profile_banner_url\":\"https://pbs.twimg.com/profile_banners/18994444/1495457811\",\"default_profile\":false,\"default_profile_image\":false,\"following\":null,\"follow_request_sent\":null,\"notifications\":null},\"geo\":null,\"coordinates\":null,\"place\":null,\"contributors\":null,\"is_quote_status\":false,\"extended_tweet\":{\"full_text\":\"Watch how a new solution is harnessing the power of #IBMIot to combat the poaching of endangered 🦏: https://t.co/zL55BXKLFq #WorldRhinoDay https://t.co/eBpZmbbnB7\",\"display_text_range\":[0,138],\"entities\":{\"hashtags\":[{\"text\":\"IBMIot\",\"indices\":[52,59]},{\"text\":\"WorldRhinoDay\",\"indices\":[124,138]}],\"urls\":[{\"url\":\"https://t.co/zL55BXKLFq\",\"expanded_url\":\"http://bitly.com/2hknTRt\",\"display_url\":\"bitly.com/2hknTRt\",\"indices\":[100,123]}],\"user_mentions\":[],\"symbols\":[],\"media\":[{\"id\":911217279353880600,\"id_str\":\"911217279353880576\",\"indices\":[139,162],\"media_url\":\"http://pbs.twimg.com/media/DKVLSakWAAAc3Fl.jpg\",\"media_url_https\":\"https://pbs.twimg.com/media/DKVLSakWAAAc3Fl.jpg\",\"url\":\"https://t.co/eBpZmbbnB7\",\"display_url\":\"pic.twitter.com/eBpZmbbnB7\",\"expanded_url\":\"https://twitter.com/IBM/status/911217282067714048/photo/1\",\"type\":\"photo\",\"sizes\":{\"small\":{\"w\":680,\"h\":453,\"resize\":\"fit\"},\"medium\":{\"w\":1024,\"h\":682,\"resize\":\"fit\"},\"thumb\":{\"w\":150,\"h\":150,\"resize\":\"crop\"},\"large\":{\"w\":1024,\"h\":682,\"resize\":\"fit\"}}}]},\"extended_entities\":{\"media\":[{\"id\":911217279353880600,\"id_str\":\"911217279353880576\",\"indices\":[139,162],\"media_url\":\"http://pbs.twimg.com/media/DKVLSakWAAAc3Fl.jpg\",\"media_url_https\":\"https://pbs.twimg.com/media/DKVLSakWAAAc3Fl.jpg\",\"url\":\"https://t.co/eBpZmbbnB7\",\"display_url\":\"pic.twitter.com/eBpZmbbnB7\",\"expanded_url\":\"https://twitter.com/IBM/status/911217282067714048/photo/1\",\"type\":\"photo\",\"sizes\":{\"small\":{\"w\":680,\"h\":453,\"resize\":\"fit\"},\"medium\":{\"w\":1024,\"h\":682,\"resize\":\"fit\"},\"thumb\":{\"w\":150,\"h\":150,\"resize\":\"crop\"},\"large\":{\"w\":1024,\"h\":682,\"resize\":\"fit\"}}}]}},\"quote_count\":2,\"reply_count\":0,\"retweet_count\":35,\"favorite_count\":46,\"entities\":{\"hashtags\":[{\"text\":\"IBMIot\",\"indices\":[52,59]}],\"urls\":[{\"url\":\"https://t.co/91BD2uZqFk\",\"expanded_url\":\"https://twitter.com/i/web/status/911217282067714048\",\"display_url\":\"twitter.com/i/web/status/9…\",\"indices\":[101,124]}],\"user_mentions\":[],\"symbols\":[]},\"favorited\":false,\"retweeted\":false,\"possibly_sensitive\":false,\"filter_level\":\"low\",\"lang\":\"en\"},\"is_quote_status\":false,\"quote_count\":0,\"reply_count\":0,\"retweet_count\":0,\"favorite_count\":0,\"entities\":{\"hashtags\":[{\"text\":\"IBMIot\",\"indices\":[61,68]}],\"urls\":[],\"user_mentions\":[{\"screen_name\":\"IBM\",\"name\":\"IBM\",\"id\":18994444,\"id_str\":\"18994444\",\"indices\":[3,7]}],\"symbols\":[]},\"favorited\":false,\"retweeted\":false,\"possibly_sensitive\":false,\"filter_level\":\"low\",\"lang\":\"en\",\"timestamp_ms\":\"1506176377466\"}",
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"p":"tweet",
"pt":"msg",
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{
"id":"d43baa51.b9edb",
"type":"comment",
"z":"e166925b.1b30f",
"name":"Sample Tweets with images",
"info":"",
"x":150,
"y":380,
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"type":"function",
"z":"e166925b.1b30f",
"name":"Process Results",
"func":"if (typeof msg.result == 'undefined') {\n return null;\n}\n\nif (typeof msg.result.error != 'undefined') {\n //The Lite Plan allows users to make 7,500 API calls for free\n // Daily limit is (up to 250 calls per day) \n // {\"status\":\"ERROR\",\"statusInfo\":\"Key is over transaction limit\"}\n msg.template = msg.result.error.message;\n return msg;\n}\n\n// Text Extraction\nif (typeof msg.result.images[0].text != 'undefined') {\n var image_text = msg.result.images[0].text;\n msg.payload = image_text;\n msg.template = image_text;\n if( image_text.length >0 ) {\n msg.template= \"Watson found the words: \"+image_text;\n }\n return msg;\n}\n\nvar bestcolor = -1;\nvar colorscore = 0;\nvar c_id = 0;\nvar say = \"\";\nvar item;\n\nfor ( c_id=0; c_id < (msg.result.images[0].classifiers.length); c_id++ ){\n // find the best color, if any\n for( i =0; i<(msg.result.images[0].classifiers[c_id].classes.length); i++ ){\n var object = msg.result.images[0].classifiers[c_id].classes[i].class;\n if ( object.includes(\"color\") ) {\n if( msg.result.images[0].classifiers[c_id].classes[i].score > colorscore){\n bestcolor = i;\n colorscore = msg.result.images[0].classifiers[c_id].classes[i].score;\n }\n }\n }\n \n var bestItem = 0;\n var itemScore = 0;\n for( i =0; i<(msg.result.images[0].classifiers[c_id].classes.length); i++ ){\n var object = msg.result.images[0].classifiers[c_id].classes[i].class;\n if ( !object.includes(\"color\") ) {\n if( msg.result.images[0].classifiers[c_id].classes[i].score > itemScore){\n// bestItem = i;\n bestItem = 0;\n itemScore = msg.result.images[0].classifiers[c_id].classes[i].score;\n }\n }\n }\n \n if( bestcolor != \"-1\") {\n // found a color\n item = msg.result.images[0].classifiers[c_id].classes[bestcolor].class + \" \" + msg.result.images[0].classifiers[c_id].classes[bestItem].class;\n bestcolor = -1;\n } else {\n item = msg.result.images[0].classifiers[c_id].classes[bestItem].class;\n }\n// say = say + \" Watson's \" + msg.result.images[0].classifiers[c_id].name + \" classifier thinks this picture contains a \" + item +\".\";\n say = say + \" Watson thinks this picture contains a \" + item +\".\";\n}\nmsg.payload = say;\n\nvar picInfo = msg.result.images[0].classifiers[0].classes;\nvar arrayLength = picInfo.length;\n\nmsg.template=\"<style>\";\nmsg.template=msg.template+\"table { width: 440px; margin-top: 10px; }\";\nmsg.template=msg.template+\"tr:nth-child(even){background-color: #f2f2f2;}\";\nmsg.template=msg.template+\"th, td { padding: 8px; text-align: left; border-bottom: 1px solid #ddd; width: 10%;}\";\nmsg.template=msg.template+\"</style>\";\n\nmsg.template=msg.template+\"<h2>\"+say+\"</h2><table span=100%><tr><th>Class</th><th>Confidence</th></tr>\";\nfor (var i = 0; i < arrayLength; i++) {\n msg.template = msg.template + \"<tr><td>\" + picInfo[i].class + \"</td><td>\" + picInfo[i].score + \"</td></tr>\";\n}\nmsg.template = msg.template + \"</table>\";\n\nreturn msg;",
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"payload":"{\"created_at\":\"Sat Sep 23 17:48:40 +0000 2017\",\"id\":911648524663709700,\"id_str\":\"911648524663709698\",\"text\":\"Breaking 2 @NikeRunning @NatGeo https://t.co/aAygp48EAq\",\"display_text_range\":[0,31],\"source\":\"<a href=\\\"http://twitter.com/download/iphone\\\" rel=\\\"nofollow\\\">Twitter for iPhone</a>\",\"truncated\":false,\"in_reply_to_status_id\":null,\"in_reply_to_status_id_str\":null,\"in_reply_to_user_id\":null,\"in_reply_to_user_id_str\":null,\"in_reply_to_screen_name\":null,\"user\":{\"id\":109308126,\"id_str\":\"109308126\",\"name\":\"Jrmi\",\"screen_name\":\"JeremieRoturier\",\"location\":\"London, England\",\"url\":\"http://jeremieroturier.com\",\"description\":\"Sportsaholic and writing junkie. Member of @JolieFoulee, founder of @EtoileFO. Take pics for quality football magazines. Work at @Apple x @beatsbydre. Ex @Nike.\",\"translator_type\":\"none\",\"protected\":false,\"verified\":false,\"followers_count\":472,\"friends_count\":665,\"listed_count\":24,\"favourites_count\":631,\"statuses_count\":4333,\"created_at\":\"Thu Jan 28 16:42:30 +0000 2010\",\"utc_offset\":7200,\"time_zone\":\"Paris\",\"geo_enabled\":true,\"lang\":\"en\",\"contributors_enabled\":false,\"is_translator\":false,\"profile_background_color\":\"8C12FF\",\"profile_background_image_url\":\"http://pbs.twimg.com/profile_background_images/106316656/chat_noir.jpg\",\"profile_background_image_url_https\":\"https://pbs.twimg.com/profile_background_images/106316656/chat_noir.jpg\",\"profile_background_tile\":true,\"profile_link_color\":\"85459E\",\"profile_sidebar_border_color\":\"8956B3\",\"profile_sidebar_fill_color\":\"030303\",\"profile_text_color\":\"17BEE8\",\"profile_use_background_image\":true,\"profile_image_url\":\"http://pbs.twimg.com/profile_images/730899031162036224/_8p6sEXu_normal.jpg\",\"profile_image_url_https\":\"https://pbs.twimg.com/profile_images/730899031162036224/_8p6sEXu_normal.jpg\",\"profile_banner_url\":\"https://pbs.twimg.com/profile_banners/109308126/1472307658\",\"default_profile\":false,\"default_profile_image\":false,\"following\":null,\"follow_request_sent\":null,\"notifications\":null},\"geo\":null,\"coordinates\":null,\"place\":{\"id\":\"3078869807f9dd36\",\"url\":\"https://api.twitter.com/1.1/geo/id/3078869807f9dd36.json\",\"place_type\":\"city\",\"name\":\"Berlin\",\"full_name\":\"Berlin, Germany\",\"country_code\":\"DE\",\"country\":\"Germany\",\"bounding_box\":{\"type\":\"Polygon\",\"coordinates\":[[[13.088304,52.338079],[13.088304,52.675323],[13.760909,52.675323],[13.760909,52.338079]]]},\"attributes\":{}},\"contributors\":null,\"is_quote_status\":false,\"quote_count\":0,\"reply_count\":0,\"retweet_count\":0,\"favorite_count\":0,\"entities\":{\"hashtags\":[],\"urls\":[],\"user_mentions\":[{\"screen_name\":\"NikeRunning\",\"name\":\"Nike+ Run Club\",\"id\":337726224,\"id_str\":\"337726224\",\"indices\":[11,23]},{\"screen_name\":\"NatGeo\",\"name\":\"National Geographic\",\"id\":17471979,\"id_str\":\"17471979\",\"indices\":[24,31]}],\"symbols\":[],\"media\":[{\"id\":911648512970051600,\"id_str\":\"911648512970051585\",\"indices\":[32,55],\"media_url\":\"http://pbs.twimg.com/media/DKbTfg-X0AEAI9P.jpg\",\"media_url_https\":\"https://pbs.twimg.com/media/DKbTfg-X0AEAI9P.jpg\",\"url\":\"https://t.co/aAygp48EAq\",\"display_url\":\"pic.twitter.com/aAygp48EAq\",\"expanded_url\":\"https://twitter.com/JeremieRoturier/status/911648524663709698/photo/1\",\"type\":\"photo\",\"sizes\":{\"thumb\":{\"w\":150,\"h\":150,\"resize\":\"crop\"},\"large\":{\"w\":1776,\"h\":1184,\"resize\":\"fit\"},\"medium\":{\"w\":1200,\"h\":800,\"resize\":\"fit\"},\"small\":{\"w\":680,\"h\":453,\"resize\":\"fit\"}}}]},\"extended_entities\":{\"media\":[{\"id\":911648512970051600,\"id_str\":\"911648512970051585\",\"indices\":[32,55],\"media_url\":\"http://pbs.twimg.com/media/DKbTfg-X0AEAI9P.jpg\",\"media_url_https\":\"https://pbs.twimg.com/media/DKbTfg-X0AEAI9P.jpg\",\"url\":\"https://t.co/aAygp48EAq\",\"display_url\":\"pic.twitter.com/aAygp48EAq\",\"expanded_url\":\"https://twitter.com/JeremieRoturier/status/911648524663709698/photo/1\",\"type\":\"photo\",\"sizes\":{\"thumb\":{\"w\":150,\"h\":150,\"resize\":\"crop\"},\"large\":{\"w\":1776,\"h\":1184,\"resize\":\"fit\"},\"medium\":{\"w\":1200,\"h\":800,\"resize\":\"fit\"},\"small\":{\"w\":680,\"h\":453,\"resize\":\"fit\"}}}]},\"favorited\":false,\"retweeted\":false,\"possibly_sensitive\":false,\"filter_level\":\"low\",\"lang\":\"en\",\"timestamp_ms\":\"1506188920547\"}",
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"name":"Paste API keys for Visual Recognition",
"info":"1. Log into IBM Cloud\n2. Create an instance of the \nWatson Visual Recognition service.\n3. Visit the Service Credentials tab\n4. Click on View Credentials\n5. Copy/Paste the password and username into\nthis Node-RED node.",
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