3.3.10. License Plate Detection

Extract text information from images or videos using Optical Character Recognition (OCR) technology for license plate detection.

After adding Camera Shield Detection as an Extension node, click the plus sign to add it to the workflow editing area. The Image input of the Camera Shield Detection node must be the image data collected by the upstream Media node. After inputting the data, the node will output a result of type object. If more than one obstruction is detected and output, it will display an array type.

Result Testing

Inputting a photo of a license plate can yield the following result output

It can be seen that the specific number of the license plate in the image and its position in the image can be obtained.