Yolo Pets and People

This is a basic example of how to use the Yolo Pets and People Subflow.

example image

This subflow offers several advantages over other object detection flows and nodes available such as;

  • Local inference, no cloud connection required
  • Customisable script, written in python using OpenCV for flexibility and simplicity
  • Zero dependent node red nodes

For more details check out the GitHub page;

https://github.com/thebigpotatoe/Node-Red-Yolo-Pets-And-People

[{"id":"e773b1c4.62ac3","type":"subflow","name":"Yolo Person, Cat, and Dog Detection","info":"","category":"Image Recognition","in":[{"x":280,"y":60,"wires":[{"id":"37250b8.c89aef4"}]}],"out":[{"x":280,"y":500,"wires":[{"id":"66d71209.cae3ec","port":0}]},{"x":600,"y":500,"wires":[{"id":"169739de.e65176","port":0}]},{"x":920,"y":500,"wires":[{"id":"41330e3a.06754","port":0}]}],"env":[{"name":"Images Folder","type":"str","value":""},{"name":"Yolo Folder","type":"str","value":""},{"name":"Detection Delay","type":"num","value":"5"},{"name":"Recognition Confidence","type":"num","value":"50"},{"name":"Maxima Threshold","type":"num","value":"0.3"}],"status":{"x":800,"y":100,"wires":[{"id":"14b84b63.cfe9a5","port":0},{"id":"be479282.d29ce","port":0},{"id":"66d71209.cae3ec","port":0},{"id":"49f19998.3bf6b8","port":0},{"id":"b42956e9.27abe8","port":1},{"id":"53f4fffe.cda54","port":1}]}},{"id":"7fdf3e34.37c07","type":"exec","z":"e773b1c4.62ac3","command":"python","addpay":true,"append":"","useSpawn":"false","timer":"5000","oldrc":false,"name":"Execute Python Script","x":360,"y":320,"wires":[["66d71209.cae3ec","7eaeb859.41d378"],["be479282.d29ce"],[]]},{"id":"1d90c09f.6e417f","type":"file","z":"e773b1c4.62ac3","name":"Write Last Image","filename":"","appendNewline":false,"createDir":true,"overwriteFile":"true","encoding":"none","x":350,"y":220,"wires":[["53f4fffe.cda54"]]},{"id":"66d71209.cae3ec","type":"json","z":"e773b1c4.62ac3","name":"Create JSON Message","property":"payload","action":"obj","pretty":false,"x":370,"y":380,"wires":[[]]},{"id":"21c1b2b5.eaf97e","type":"delay","z":"e773b1c4.62ac3","name":"Rate Limiter","pauseType":"rate","timeout":"5","timeoutUnits":"seconds","rate":"1","nbRateUnits":"5","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":true,"x":330,"y":140,"wires":[["b42956e9.27abe8"]]},{"id":"b42956e9.27abe8","type":"function","z":"e773b1c4.62ac3","name":"Filename Creator","func":"if (env.get(\"Images Folder\") !== \"\"){\n    msg.filename = env.get(\"Images Folder\") + \"/Last Image.jpg\"\n    return [msg, null];\n}\nelse {\n    msg.payload = \"No Image Folder Given\"\n    node.warn(msg.payload)\n    return [null, msg];\n}\n","outputs":2,"noerr":0,"x":350,"y":180,"wires":[["1d90c09f.6e417f"],[]]},{"id":"53f4fffe.cda54","type":"function","z":"e773b1c4.62ac3","name":"Command Creator","func":"// Clean Message \nmsg = {}\n\n// Change backslash for forward slash \nimagesFolder = env.get(\"Images Folder\")//.split(\"\\\\\").join(\"/\")\nyoloFolder = env.get(\"Yolo Folder\")//.split(\"\\\\\").join(\"/\")\n\nif (yoloFolder !== \"\") {\n    // Create output string\n    msg.payload = \" \\\"\"             + yoloFolder                + \"/yolo.py\\\"\"  +\n                  \" --folder \\\"\"    + imagesFolder              + \"\\\"\"          +\n                  \" --yolo \\\"\"      + yoloFolder                + \"\\\"\"          + \n                  \" --confidence \"  + env.get(\"Recognition Confidence\")/100     +  \n                  \" --threshold \"   + env.get(\"Maxima Threshold\")/100 \n    // Return msg  \n    return [msg, null];            \n}\nelse {\n    msg.payload = \"No Yolo Data Folder Specified\"\n    node.warn(msg.payload)\n    return [null, msg];         \n}\n","outputs":2,"noerr":0,"x":350,"y":260,"wires":[["7fdf3e34.37c07","14b84b63.cfe9a5"],[]]},{"id":"7eaeb859.41d378","type":"delay","z":"e773b1c4.62ac3","name":"Wait for Image Write","pauseType":"delay","timeout":"250","timeoutUnits":"milliseconds","rate":"1","nbRateUnits":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"x":680,"y":380,"wires":[["15b27ecc.692901","e90776d4.393c08"]]},{"id":"169739de.e65176","type":"file in","z":"e773b1c4.62ac3","name":"Read Last Analysed Image","filename":"","format":"","chunk":false,"sendError":false,"encoding":"none","x":700,"y":460,"wires":[[]]},{"id":"15b27ecc.692901","type":"function","z":"e773b1c4.62ac3","name":"Filename Creator","func":"msg.filename = env.get(\"Images Folder\") + \"/Last Analysed Image.jpg\"\nreturn msg;","outputs":1,"noerr":0,"x":670,"y":420,"wires":[["169739de.e65176"]]},{"id":"41330e3a.06754","type":"file in","z":"e773b1c4.62ac3","name":"Read Last Object Image","filename":"","format":"","chunk":false,"sendError":false,"encoding":"none","x":1010,"y":460,"wires":[[]]},{"id":"e90776d4.393c08","type":"function","z":"e773b1c4.62ac3","name":"Filename Creator","func":"msg.filename = env.get(\"Images Folder\") + \"/Last Object Image.jpg\"\nreturn msg;","outputs":1,"noerr":0,"x":990,"y":420,"wires":[["41330e3a.06754"]]},{"id":"37250b8.c89aef4","type":"function","z":"e773b1c4.62ac3","name":"Delay Creator","func":"msg.delay = env.get(\"Detection Delay\")*1000\nreturn msg;","outputs":1,"noerr":0,"x":340,"y":100,"wires":[["21c1b2b5.eaf97e"]]},{"id":"14b84b63.cfe9a5","type":"function","z":"e773b1c4.62ac3","name":"Update Status","func":"msg = {}\nmsg.payload = \"Processing\"\nreturn msg;","outputs":1,"noerr":0,"x":660,"y":100,"wires":[[]]},{"id":"be479282.d29ce","type":"function","z":"e773b1c4.62ac3","name":"Update Warning","func":"if (msg.rc.code !== 0) {\n    node.warn(msg.payload)\n    return msg;\n}","outputs":1,"noerr":0,"x":660,"y":140,"wires":[[]]},{"id":"49f19998.3bf6b8","type":"catch","z":"e773b1c4.62ac3","name":"","scope":null,"uncaught":false,"x":640,"y":180,"wires":[[]]},{"id":"cc2c7f4.22d018","type":"ftp-server","z":"c15c4ebc.408f5","name":"Example FTP Server","port":"7021","x":310,"y":140,"wires":[["a005c159.2d4ea","400a2bd5.3acf34"]]},{"id":"def1ae80.20174","type":"base64","z":"c15c4ebc.408f5","name":"Encode","action":"str","property":"payload","x":780,"y":200,"wires":[["8d9c9f80.47c3c"]]},{"id":"8d9c9f80.47c3c","type":"image","z":"c15c4ebc.408f5","name":"Last Analysed Image","width":"480","x":820,"y":240,"wires":[]},{"id":"70bc9a48.324904","type":"base64","z":"c15c4ebc.408f5","name":"Encode","action":"str","property":"payload","x":1280,"y":200,"wires":[["7cdff704.823968"]]},{"id":"7cdff704.823968","type":"image","z":"c15c4ebc.408f5","name":"Last Detected Image","width":"480","x":1320,"y":240,"wires":[]},{"id":"a005c159.2d4ea","type":"base64","z":"c15c4ebc.408f5","name":"Encode","action":"str","property":"payload","x":280,"y":200,"wires":[["477b0137.fb375"]]},{"id":"477b0137.fb375","type":"image","z":"c15c4ebc.408f5","name":"Input Image","width":"480","x":290,"y":240,"wires":[]},{"id":"5e42efef.ed1ed","type":"debug","z":"c15c4ebc.408f5","name":"Debug Output","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":1280,"y":60,"wires":[]},{"id":"fd22a33b.b501a","type":"http request","z":"c15c4ebc.408f5","name":"Example Web Request","method":"GET","ret":"bin","paytoqs":false,"url":"https://www.interregemr.eu/IManager/Media/65321/1599724/EN/add_tablet/people-to-people.jpg","tls":"","proxy":"","authType":"basic","x":300,"y":60,"wires":[["a005c159.2d4ea","400a2bd5.3acf34"]]},{"id":"d93af668.e7b138","type":"inject","z":"c15c4ebc.408f5","name":" Inject","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":110,"y":60,"wires":[["fd22a33b.b501a"]]},{"id":"6eccdee7.47b57","type":"camera","z":"c15c4ebc.408f5","name":"Example Web Camera","x":300,"y":100,"wires":[["400a2bd5.3acf34"]]},{"id":"400a2bd5.3acf34","type":"subflow:e773b1c4.62ac3","z":"c15c4ebc.408f5","name":"","env":[{"name":"Detection Delay","type":"num","value":"10"}],"x":870,"y":60,"wires":[["5e42efef.ed1ed"],["def1ae80.20174"],["70bc9a48.324904"]]}]

Flow Info

Created 3 years, 6 months ago
Rating: 1 1

Actions

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Node Types

Core
  • catch (x1)
  • debug (x1)
  • delay (x2)
  • exec (x1)
  • file (x1)
  • file in (x2)
  • function (x7)
  • http request (x1)
  • inject (x1)
  • json (x1)
Other

Tags

  • yolo
  • objectdetection
  • python
  • raspberrypi
  • camera
  • ai
  • subflow
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