Research of Image Preprocessing for Digital Record Recognition of Power Meter
The project of replacing power meters involves a large batch of power meters,which requires to markdown the identification number of the new and old meters and the digital record information of the related old meters at assembly and disassembly site accurately and quickly,for subsequent maintenance of the archives on the system.Applying OCR technique in the project of replacing power meters can quickly collect the digital record information without using any special devices.The necessary preprocessing of the images before OCR character recognition will greatly increase the accuracy of character recognition.This paper introduces the details of binarization,noise removal and digit extraction in image preprocessing based on the scene of digital record collection of power meter.
digital record collectionimage preprocessingbinarizationnoise removaldigit extraction
NETL
NSTL
万方数据
