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10.6: How to use OCR with HP multi-function printers
Authored by: tcsdoc on Feb 18, '10 05:30:26PM

Thanks for the help in getting the make command to work. Installing Xcode did the trick. This leads to my next problem. Tesseract runs but I get the error message below:

iMac:SCRATCH tcsdoc$ tesseract scan.tif scan_text
Tesseract Open Source OCR Engine
read_tif_image:Error:Illegal image format:Compression
tesseract:Error:Read of file failed:Scan.tif
Segmentation fault

I have an Epson scanner and use Image Capture to scan the document. I've loaded the scan.tif file into Preview and saved it with no compression but still get the same error. Any ideas on this?



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10.6: How to use OCR with HP multi-function printers
Authored by: TonyT on Feb 23, '10 08:06:13AM

>read_tif_image:Error:Illegal image format:Compression

You need to either save as an uncompressed TIFF (open in Preview and Save As uncompressed TIF), or install libTIFF, then re-install tesseract (see my comment below).



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