what's the best image input type for tesseract?

image-processing ocr tesseract
chostDevil picture chostDevil · Apr 17, 2012 · Viewed 10.4k times · Source

i'm using tesseract on a project and want to know the best image input type for tesseract to give the best output, is Binary&TIFF is the best input or there's something else?

Answer

karlphillip picture karlphillip · Apr 19, 2012

I had excellent results using TIFF in the past for a similar task. At the time I did some pre-processing using OpenCV and exported the result to a TIFF file that later was sent to tesseract. It was pretty good.

Related questions

image processing to improve tesseract OCR accuracy

I've been using tesseract to convert documents into text. The quality of the documents ranges wildly, and I'm looking for tips on what sort of image processing might improve the results. I've noticed that text that is highly pixellated - …

Read More
Preprocessing image for Tesseract OCR with OpenCV

I'm trying to develop an App that uses Tesseract to recognize text from documents taken by a phone's cam. I'm using OpenCV to preprocess the image for better recognition, applying a Gaussian blur and a Threshold method for binarization, but …

Read More
Getting the bounding box of the recognized words using python-tesseract

I am using python-tesseract to extract words from an image. This is a python wrapper for tesseract which is an OCR code. I am using the following code for getting the words: import tesseract api = tesseract.TessBaseAPI() api.Init(".","eng",…

Read More