Variable sharpness of objects in an image

Md
2013 8 1
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Hello everyone, I have a question. In an image, I have 5 different objects and the sharpness of objects varies in the same image. Can anyone help me, how I can rank the objects according to the sharpness of objects in the image?

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Md
Md 2013-8-1
sharp object means that the object is in the focal plane of the camera, and the objects away from the focal plane of the camera are not as sharp as it is in the focal plane.

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Image Analyst
Image Analyst 2013-8-1

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Here is a description of how sharpness (focus) is determined by camera manufacturers: http://en.wikipedia.org/wiki/Autofocus

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Md
Md
2013-8-1

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