With a smoothed histogram, an analysis can be undertaken to locate a circle. Firstly peaks in the histograms located. This is accomplished by finding the highest points in the graph, and then looking to the left and right of these points to see whether the graph slopes downward.
Once all the peaks have been found, each peak is paired with every other peak in the same axis to produce a number of peak pairs. Each of the peak pairs are given a score of the likelihood that they represent a circle. This score is determined by how high the peaks are, and if they have the same height and width.
Then each peak pair is paired with every peak pair in the other axis. These new pairs of paired peaks are also given a score which is determined by how similar the pairs of pairs are to each other. The pair of pairs with the highest score is assumed to represent the circle.
Tuesday, March 28, 2006
Does this make sense?
Here is a couple of paragraphs that I wrote for an assignment. I re-read it and just laughed. A re write was definitely needed!
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1 comment:
Not that I know what the assignment was talking about - but that was bizzarly fun to read.
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