流式傳輸和記錄
描述：
ImageReader is a simple Gtk/Qt front-end to tesseract-ocr.
特徵：
- Import PDF documents and images from disk, scanning devices, clipboard and screenshots
- Process multiple images and documents in one go
- Manual or automatic recognition area definition
- Recognize to plain text or to hOCR documents
- Recognized text displayed directly next to the image
- Post-process the recognized text, including spellchecking
- Generate PDF documents from hOCR documents
