Android Question picture (dot) detection like face detection

Sia

Member
Licensed User
Hi,
how can detect a little dot on page like A3 Paper ?
i want make picture from a paper and i want when camera see or detect this 4 dot warn me camera ready to make picture ( like face detection )
please see this picture
Untitled-1.jpg
 

Sia

Member
Licensed User
Hi,
thanks Erel , can you give me more information or link about it ?
did you means i have to make picture in every second and process it ?
 
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