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 Sheet detection on picture

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mauriciopt Posted - Apr 09 2020 : 10:28:43
Hi,

I receive a picture taken by phone device of a sheet in a table (the sheet is a printed invoice). I would like to remove edges from foto in order to keep only the sheet.
Is it possible?

I' m a registered user of ImageEn + IEVision compoenents.

Thanks,
Mauricio

Mauricio
http://sourceforge.net/projects/tcycomponents/
6   L A T E S T    R E P L I E S    (Newest First)
mauriciopt Posted - May 13 2020 : 11:34:50
Hi again,

unfortunately, the background may change (black, white or more difficult, any environment from picture taken by phone device).
Anyway, thanks for your time.

Regards,


Mauricio
http://sourceforge.net/projects/tcycomponents/
xequte Posted - May 07 2020 : 01:51:31
Hi Mauricio

I don't think that will work. You could try something convert it to monochrome with an appropriate cut-off. That might give you enough to determine the edges of the page (assuming a dark background like above)...

Nigel
Xequte Software
www.imageen.com
mauriciopt Posted - May 06 2020 : 04:35:11
Hi,

i have tested but not working.
How can i use face recognition code to recognize my sheet?

Regards,

Mauricio
http://sourceforge.net/projects/tcycomponents/
xequte Posted - Apr 15 2020 : 17:26:52
Hi Mauricio

You could try AutoCrop, but I think there is too much going on in the background for it to work well here.

https://www.imageen.com/help/TImageEnProc.AutoCrop.html

Nigel
Xequte Software
www.imageen.com
mauriciopt Posted - Apr 14 2020 : 05:37:36
Hi,

in attachment, picture of my sheet.
I want to detect the sheet in the middle (left, right, top and bottom margin).
Regards,



Mauricio
http://sourceforge.net/projects/tcycomponents/
xequte Posted - Apr 09 2020 : 22:34:21
Hi Mauricio

Can you post an example image.

Nigel
Xequte Software
www.imageen.com