How to process images using region properties

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I am currently doing particle tracking with Matlab, at the present moment l am on the first stage,'image processing.' I am a Matlab beginner. I have imported my image and processed the particles on the image using the following region properties, centroid, area, bounding box and perimeter. I am still to use eccentricity. My first question is 1) What are all the properties l should use in order to say l have completed image processing for particle tracking? For centroid, area and bounding box, l came out right, but have questions on the region property, 'perimeter,'the coding l used is as follows: BW2 = bwperim(dout,8); imshow(dout) figure (5), imshow(BW2) 2) Is the coding correct? 3) If so, what is its relevance?Is it for selecting specific objects with a certain perimeter range or for calculating perimeters for objects?if it is the latter, how do l display the perimeter values? 4) Is there a sequence for the above region properties? If so, what is the sequence?

Answers (1)

Image Analyst
Image Analyst on 26 Jun 2014
See my Image Segmentation Tutorial in my File Exchange http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862. It goes over regionprops and how to measure and filter results.

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