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2012-03-19T02:43:35.360
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2012-07-01T11:08:09.087
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2012-07-01T11:08:09.087
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You are using the plain C OpenCV API. Nothing wrong, but I prefer the new C++ API Regarding your question: <ul> <li><code>IplImage* src</code> - is the source image, the one you already have and want it dilated;</li> <li><code>IplImage* dst</code> - is the destination image, that should only be declared prior to calling this funcion;</li> <li><code>IplConvKernel* B</code> - that's a bit harder to explain in short words, but thing of a tiny image, typically a 3x3 pixels, that will be use to get the features of your image "more fat" at each of the given number of iterations, check <a href="http://opencv.willowgarage.com/documentation/image_filtering.html#dilate" rel="nofollow">here</a>. If you let it be a null pointer, the default value will be used, and it should suffice for most applications;</li> <li><code>int iterations</code> - the number of times that kernel will be used around the contour of the source image to turn its features more "fat" at each time;</li> </ul> As for your image, to achieve that result, you should first dilate for a certain number of iterations, then erode it back the same number of iterations. Check this code <a href="http://opencv.itseez.com/doc/tutorials/imgproc/erosion_dilatation/erosion_dilatation.html" rel="nofollow">here</a>. It uses the new C++ API, but you should not have problems into "translating" it back to the plain C API, as the structure of the functions are quite the same. Hope it helps
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1. USArtemStorozhuk
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1. USFrancisco
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