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90

answers:

2

Hi, I would like to know what algorithm is used to obtain an image and get the objects present in the image and process (give information about) it. And also, how is this done? Please do help me out! :)

Thanks in advance.

- Karthik.K

A: 

Well this is hardly an answerable question, but for most computer vision applications a good starting point is the Hough Transform

Ron Warholic
-1: I disagree that the Hough transform is some kind of fundamental tool. If you are searching for lines or circles specifically, then yes. I would say that most tasks have little or no use of this though. None of the CV projects I've been involved in (or even heard about at the university) involve hough transforms.
kigurai
+1  A: 

I agree with Sid Farkus, there is no simple answer to this question.

Maybe you can get started by checking out the Open Computer Vision Library. There is a Wiki page on object detection with links to a How-To and to papers.

You may find other examples and approaches (i.e. algorithms); it's likely that the algorithms differ by application (i.e. depending on what you actually want to detect).

Dieter