User Manual
Counting Number of Faces Within a Range of Aged
Face Detection Result count faces aged
{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><block type=\"Azure_FaceDetectionResult_countAge\"><field name=\"operator\">ConditionalOperator.EqualTo</field><value name=\"faceDetectionResult\"><block type=\"variables_get\"><field name=\"VAR\">faceDetectionResult</field></block></value><value name=\"age\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow></value></block></xml>"}
This block is used for counting the total number of face when it is within the age range.
Parameters:
- AI Result (Face Detection from Azure)
- Condition:
- Operator: =(Default)/≠/</≤/>/≥
- Number (Default: 0)
Output: AI Result
Sample code:
{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><variables><variable>mainLayout</variable><variable>mainScreen</variable><variable>image</variable><variable>result</variable><variable>count</variable><variable>faceDetectionResult</variable></variables><block type=\"pxt-on-start\" x=\"0\" y=\"0\"><statement name=\"HANDLER\"><block type=\"variables_set\"><field name=\"VAR\">mainLayout</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"ScreenItem_createLayout\"/></value><next><block type=\"variables_set\"><field name=\"VAR\">mainScreen</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Screen_create\"><value name=\"label\"><shadow type=\"text\"><field name=\"TEXT\">Main</field></shadow></value><value name=\"layout\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value></block></value><next><block type=\"variables_set\"><field name=\"VAR\">image</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Download_image\"><value name=\"url\"><shadow type=\"text\"><field name=\"TEXT\">https://images.theconversation.com/files/134086/original/image-20160815-15261-te69mp.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=926&fit=clip</field></shadow></value></block></value><next><block type=\"variables_set\"><field name=\"VAR\">result</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Azure_detectFaces\"><value name=\"img\"><block type=\"variables_get\"><field name=\"VAR\">image</field></block></value></block></value><next><block type=\"variables_set\"><field name=\"VAR\">count</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Azure_FaceDetectionResult_countAge\"><field name=\"operator\">ConditionalOperator.LargerThan</field><value name=\"faceDetectionResult\"><block type=\"variables_get\"><field name=\"VAR\">result</field></block></value><value name=\"age\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow></value></block></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value><value name=\"item\"><block type=\"Control_createTextBlock\"><mutation xmlns=\"http://www.w3.org/1999/xhtml\" _expanded=\"1\" _input_init=\"true\"></mutation><value name=\"text\"><block type=\"Util_convertToText\"><value name=\"value\"><shadow type=\"math_number\" disabled=\"true\"><field name=\"NUM\">0</field></shadow><block type=\"variables_get\"><field name=\"VAR\">count</field></block></value></block></value></block></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value><value name=\"item\"><block type=\"Azure_applyFaceDetectionResult\"><mutation xmlns=\"http://www.w3.org/1999/xhtml\" _expanded=\"0\" _input_init=\"false\"></mutation><value name=\"result\"><block type=\"variables_get\"><field name=\"VAR\">result</field></block></value><value name=\"img\"><block type=\"variables_get\"><field name=\"VAR\">image</field></block></value></block></value></block></next></block></next></block></next></block></next></block></next></block></next></block></statement></block></xml>"}
When set the face aged = 0, the output:
When set the face aged =/= 0, the output:
When set the face aged < 0, the output:
When set the face aged <= to 0, the output:
When set the face aged > 0, the output:
When set the face aged >= 0, the output:
References:
