Free Online OCR - Image to text and PDF to Doc converter You don't need to waste time rewriting a scanned lecture - just upload the file and convert image to text Using advanced image pre-processing algorithms and OCR technology, our service scans text from your images and extracts it to any editable format
什么是OCR - 知乎 OCR (Optical Character Recognition,光学字符识别)是指电子设备(例如扫描仪或数码相机)检查纸上打印的字符,通过检测暗、亮的模式确定其形状,然后用字符识别方法将形状翻译成计算机文字的过程;即,针对印刷体字符,采用光学的方式将纸质文档中的文字