Extract information from grayscale image
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missC
am 24 Feb. 2014
Kommentiert: missC
am 24 Feb. 2014
Hi everyone, I need to extract some information from the attached grayscale image. Since this kind of image contains information (multiple lines, shading) I cannot convert to binary image to avoid loss of information. Generally my main objective is to understand the image intensity so that I can identify which one is front or rear dimensrion.
Thank you
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/157356/image.jpeg)
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Image Analyst
am 24 Feb. 2014
Line drawings are ambiguous. You can't tell whether the two upper quadrilaterals are closest to you (so that the "notch" is in the back and you are looking at the underside), or the notch is in the front and you are looking down at the object. A classical line drawing of the 12 sides of a box is similar - you can't tell.
Why do you have to do this anyway? What is the "use case" (to use extreme programmer's lingo)
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missC
am 24 Feb. 2014
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Image Analyst
am 24 Feb. 2014
I'm not sure without researching it. It won't be easy. You can start here: http://en.wikipedia.org/wiki/Hidden_line_removal
You didn't answer my second question about why you need to do this. Do you know?
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