There are several steps to improve the OCR performance:
1. Choose the right OCR language according to the file you are going to scan. ( From the Picture Edit Bar in Image Mode ) .
2. Make sure the image is square and vertically positioned to get the best OCR results
3. Improve the Video Resolution to max and apply ( in Video Mode, on the right side of the software interface ) .
( Video Resolution Set Illustration )
4. To only select the area you are going to OCR instead of OCR the whole image, use the Rectangle Select Tool to improve the OCR efficiency and accuracy.