How to get croped image captured from CAMERA

Question

How to get the crop image which are bounded within a section which are shown in Image.

I want my app to capture an image of a book page, which contain 4 image patterns at the corners. I want it to first match those pattern and then to remove all the part which is not available inside the boundary of those 4 images.

enter image description here

score 1 · Answer 1 · edited May 23 '17 at 11:53

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I recommend you to use OpenCV for Android library.

Take a look at these SO discussions:

Detecting paper on image: OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
Detecting logo: Logo recognition - how to improve performance

edited May 23 '17 at 11:53

Community

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answered Aug 20 '12 at 13:10

ArtemStorozhuk

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score 0 · Answer 2 · answered Aug 20 '12 at 12:26

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Do this,

 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
 intent.putExtra("crop", "true");
 startActivityForResult(intent, TAKE_PICTURE);

answered Aug 20 '12 at 12:26

Debarati

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Thanks for quick reply but This is not an answer for my question, I want to crop automatically according to patterns, In my case, there are four image pattern in my case present at the corners...I want them to recognize and then to crop from there. – Dwivedi Ji Aug 20 '12 at 13:12

score -1 · Answer 3 · answered Sep 02 '13 at 17:07

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This tutorial does it all, toy can download the sources as well:http://mobile.tutsplus.com/tutorials/android/capture-and-crop-an-image-with-the-device-camera/

answered Sep 02 '13 at 17:07

TharakaNirmana

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As mention in question description. Need to auto corp from corner black sections. – Dwivedi Ji Mar 01 '17 at 05:30

How to get croped image captured from CAMERA

3 Answers3