After the segmentation process, which we discussed in the previous chapter, we know which pixels belong to the object of interest. Now we can perform the next step and analyze the shape of the objects. This is the topic of this chapter. First we will discuss a class of neighborhood operations, the morphological operators on binary images, which work on the form of objects. Second, we will consider the question how to represent a segmented object. Third, we will discuss parameters to describe the form of objects.
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