Tools like opencv can be used to try to identify objects in an image and then selecting by color ranges. A lot depends on the variance of the images but some sort of preprocessing to separate out the digits could make a difference.
art From: [email protected] <[email protected]> On Behalf Of Soroosh Farghadani Sent: Friday, August 31, 2018 4:02 PM To: tesseract-ocr <[email protected]> Subject: Re: [tesseract-ocr] SIMPLE DIGITS CANNOT BE READ... Thanks Yeah,that will work on this example. But I don't know what color numbers will be.So I can't cut them. On Sunday, August 26, 2018 at 5:42:49 AM UTC+4:30, Art Rhyno wrote: You might be able to use the color of the numbers to your advantage. If you can copy by color and then paste into an image with a margin around edges (see attached), you will probably get acceptable results. art From: [email protected]<javascript:> <[email protected]<javascript:>> On Behalf Of Soroosh Farghadani Sent: Friday, August 24, 2018 5:29 AM To: tesseract-ocr <[email protected]<javascript:>> Subject: [tesseract-ocr] SIMPLE DIGITS CANNOT BE READ... I have tried many ways but still does not work well... -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]<javascript:>. To post to this group, send email to [email protected]<javascript:>. Visit this group at https://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/9d2e39a2-4c03-4378-82e8-a87873f9afb9%40googlegroups.com<https://groups.google.com/d/msgid/tesseract-ocr/9d2e39a2-4c03-4378-82e8-a87873f9afb9%40googlegroups.com?utm_medium=email&utm_source=footer>. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]<mailto:[email protected]>. To post to this group, send email to [email protected]<mailto:[email protected]>. Visit this group at https://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/7ed7dcb6-07bc-472f-be9b-e0c9cb6c3a05%40googlegroups.com<https://groups.google.com/d/msgid/tesseract-ocr/7ed7dcb6-07bc-472f-be9b-e0c9cb6c3a05%40googlegroups.com?utm_medium=email&utm_source=footer>. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/YQXPR0101MB170207879B0D9A3F9F4C2902DC0E0%40YQXPR0101MB1702.CANPRD01.PROD.OUTLOOK.COM. For more options, visit https://groups.google.com/d/optout.

