How I extra the green word on a image

[童虎]

I want use tessract to extra green text(which is Chinese word) 

but the result it not well.

And I save the `-c tessedit_wite_images=1` to see the middle image, which is not well

How can I preprocess this picture? I'm new to image process..

[Seokbong Choi]

Use HSV filter. You can use OpenCV. I guess you don't need to filter out V range, but High S range may work.

--
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 tesseract-oc...@googlegroups.com.
To post to this group, send email to tesser...@googlegroups.com.
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/5a0f16e1-b6fb-41e9-8d3a-34bb6f2d1fac%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

[童虎]

👌, thank you!

在 2018年12月24日星期一 UTC+8上午1:50:47，Seokbong Choi写道：