@good-i-deer/node-red-contrib-face-detection

v1.0.1

Published

a year ago

Face Detection Node for Node-RED

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node-red face-detection yolo onnx

@GOOD-I-DEER/node-red-contrib-face-detection

This module provides a node that detects faces using AI in Node-RED.

These nodes require node.js version 18.16.1 and Node-RED version 3.1.0.

Description

This module provides a node that detects faces in the picture. you can use it with other services. You can also cut the face images you want from the origin image and download them. If you want, you can easily create a service by uploading images directly, using a webcam, or inputting photos from an IoT camera.

Pre-requisites

The Node-Red-Contrib-Face-Detection requires Node-RED to be installed.

Install

To use this module you need to go to the folder where node-red is installed and use the npm install command.

cd ~/.node-red/
npm install @good-i-deer/node-red-contrib-face-detection

Node

face-detection

This is a node that detects and outputs faces in image.

input

Image Buffer

Image represented as binary buffer

property

Name

The name of the node displayed on the workspace.

Return Value

Type of data to be transmitted as output of the node. Supports Detected Object, Image Buffer, and Image File.
- Detected Object : Result object of the pre-trained model. A model can contain only the face object. Included values are x, y, w, h, prob.
  - x : zero-indexed offset from left edge of the original image
  - y : zero-indexed offset from top edge of the original image
  - w : the width of cropped image
  - h : the height of cropped image
  - prob : Accuracy of the face detected by the model
- Image Buffer : Image buffer resulting from a pre-trained model
- Image File : Image file resulting from a pre-trained model.

Absolute Path Dir

Absolute path to save the file to. Show only when you select Image File as Return Value

Confidence Threshold

Confidence threshold of the results of the pre-trained model. You must specify a value between 0 and 1. The lower the value, the more faces are detected.

output

Data is output in the output format selected in the 'Return Value' property.

Examples

This is a simple example of this node.

JSON

[
    {
        "id": "bf67e15413744e7a",
        "type": "debug",
        "z": "83078a0b9760cbee",
        "name": "Result",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 910,
        "y": 340,
        "wires": []
    },
    {
        "id": "8619fc0fa7da3fe8",
        "type": "good-face-detection",
        "z": "83078a0b9760cbee",
        "name": "",
        "returnValue": "2",
        "threshold": 0.5,
        "absolutePathDir": "C:\\Users\\SSAFY\\Desktop\\test",
        "x": 720,
        "y": 340,
        "wires": [
            [
                "bf67e15413744e7a"
            ]
        ]
    },
    {
        "id": "0f11aafbbf09699e",
        "type": "file in",
        "z": "83078a0b9760cbee",
        "name": "Image Path",
        "filename": "C:\\Users\\SSAFY\\Desktop\\ssdc\\object\\플로우만들기\\test.png",
        "filenameType": "str",
        "format": "",
        "chunk": false,
        "sendError": false,
        "encoding": "none",
        "allProps": false,
        "x": 510,
        "y": 340,
        "wires": [
            [
                "8619fc0fa7da3fe8"
            ]
        ]
    },
    {
        "id": "b9dc304adfa64f1c",
        "type": "inject",
        "z": "83078a0b9760cbee",
        "name": "Inject",
        "props": [
            {
                "p": "payload"
            },
            {
                "p": "topic",
                "vt": "str"
            }
        ],
        "repeat": "",
        "crontab": "",
        "once": false,
        "onceDelay": "3",
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "x": 350,
        "y": 340,
        "wires": [
            [
                "0f11aafbbf09699e"
            ]
        ]
    }
]

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