The color detection can be used to automatically convert color images to gray or black and white to save De-skew based on page content allows to correct small skew angle often The rotate option allows you to adjust the page orientation before processing - for example when the creationĪpplication rotated landscape pages. The actual page size for photos without resolution information, such as taken with a mobile phone. Using the match physical size for low resolution images, OCRKit can try to detect

In this case the resolution option controls the resolution sued to rasterize the However PDF pages may contain more than one image, OCRKit tries to re-use images from source files 1:1. The mode option allows to choose special processing options for fax and dot-matrix printed documents.įor regular office text the dictionary based spelling correction is usually helpful to improve results.įor other alpha numeric data, such as scientific data or financial numbers turning off this option can be an advantage. Here you choose the language to be used for the optical character recognition.

Tesseract ocr for mac os x