generate chain code

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Tulips
Tulips 2012-6-9
hi sir, is that matlab function that can be used to generate a 3 by 3 logical matrix using chain code..?for example the code is useful in shape representation.pls advice.cud u explain how to used the chain code in matlab

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Shree Nath
Shree Nath 2012-6-9
you mean freeman chain codes? use bwboundaries() to get the boundary coordinates and the assuming 8 directions (1,1)(1,0),(0,1),(1,-1)(-1,-1),(0,-1) etc.. for (∆x,∆y).. generate the code in string format..
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Ryan
Ryan 2012-6-9
What are the uses for freeman chain codes?

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Shree Nath
Shree Nath 2012-6-25
these may be used as an alternate for..lets say the function which the boudry coordinates are following.. many a times .. the type of curves and turns are unique for a particular character, like inner region of the Q,the G, and the outer boundries of A...etc etc

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