Tess4J is just a simple wrapper around TessBaseAPI. It can do only what Tesseract can. For color images, you probably will need to apply thresholding to create binary images suitable for OCR operations.
On Wednesday, April 18, 2012 5:45:53 AM UTC-5, harry asir wrote: > > OCR is always failing for coloured images. With the test images > present in Tess4J folder (Ziped one), Ocr is working. Can you help me > in doing ocr for coloured images using Tess4J. > I am using Windows 7 PC. > > Regards, > Harry John Asir > > On Apr 17, 8:14 am, Quan Nguyen <[email protected]> wrote: > > A JNA-based wrapper for Tesseract OCR 3.02 DLL, the library provides > > optical character recognition (OCR) support for: > > > > * TIFF, JPEG, GIF, PNG, and BMP image formats > > * Multi-page TIFF images > > * PDF document format > > > > This version is still in early beta development; as such, it has rough > > edges and not undergone thorough testing. Any > feedback/comment/suggestion > > is welcome. > > > > http://tess4j.sf.net On Wednesday, April 18, 2012 5:45:53 AM UTC-5, harry asir wrote: > > OCR is always failing for coloured images. With the test images > present in Tess4J folder (Ziped one), Ocr is working. Can you help me > in doing ocr for coloured images using Tess4J. > I am using Windows 7 PC. > > Regards, > Harry John Asir > > On Apr 17, 8:14 am, Quan Nguyen <[email protected]> wrote: > > A JNA-based wrapper for Tesseract OCR 3.02 DLL, the library provides > > optical character recognition (OCR) support for: > > > > * TIFF, JPEG, GIF, PNG, and BMP image formats > > * Multi-page TIFF images > > * PDF document format > > > > This version is still in early beta development; as such, it has rough > > edges and not undergone thorough testing. Any > feedback/comment/suggestion > > is welcome. > > > > http://tess4j.sf.net On Wednesday, April 18, 2012 5:45:53 AM UTC-5, harry asir wrote: > > OCR is always failing for coloured images. With the test images > present in Tess4J folder (Ziped one), Ocr is working. Can you help me > in doing ocr for coloured images using Tess4J. > I am using Windows 7 PC. > > Regards, > Harry John Asir > > On Apr 17, 8:14 am, Quan Nguyen <[email protected]> wrote: > > A JNA-based wrapper for Tesseract OCR 3.02 DLL, the library provides > > optical character recognition (OCR) support for: > > > > * TIFF, JPEG, GIF, PNG, and BMP image formats > > * Multi-page TIFF images > > * PDF document format > > > > This version is still in early beta development; as such, it has rough > > edges and not undergone thorough testing. Any > feedback/comment/suggestion > > is welcome. > > > > http://tess4j.sf.net On Wednesday, April 18, 2012 5:45:53 AM UTC-5, harry asir wrote: > > OCR is always failing for coloured images. With the test images > present in Tess4J folder (Ziped one), Ocr is working. Can you help me > in doing ocr for coloured images using Tess4J. > I am using Windows 7 PC. > > Regards, > Harry John Asir > > On Apr 17, 8:14 am, Quan Nguyen <[email protected]> wrote: > > A JNA-based wrapper for Tesseract OCR 3.02 DLL, the library provides > > optical character recognition (OCR) support for: > > > > * TIFF, JPEG, GIF, PNG, and BMP image formats > > * Multi-page TIFF images > > * PDF document format > > > > This version is still in early beta development; as such, it has rough > > edges and not undergone thorough testing. Any > feedback/comment/suggestion > > is welcome. > > > > http://tess4j.sf.net -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/tesseract-ocr?hl=en
