服务外包业中OCR前期对图片的处理

摘要

In the work of BPO(Business Process Outsourcing),the OCR(Optical Character Recognition) is used frequently to transform the paper documents into the digital files. Because of the poor printing or equipment, the picture is not good for OCR. So have to do some processing to these pictures.Using the software Photoshop,to adjust these pictures'mode,brightness,contrast gradient and geometry shape to achieves the goal.%在服务外包也中常常用到OCR(Optical Character Recognition)技术将传统的纸质文件转换成电子文档.由于文件印刷质量不高或采集设备有限等因素的制约,采集来的文件图片质量往往不能够达到OCR的要求,或者对其OCR以后,文字识别率很低.因此,对原始图片进行适当的处理,可以大大提高OCR的效率.使用Photoshop图像处理软件,对图片的模式、亮度、对比度和几何形状进行调整,使图片达到要求.