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    copied!<p>As requested here is my exact code where i want to calculate centroids from contour My exact code is like this 1) Taking RGB image as input 2) x=0,y=0,w=width of frame,h=height of frame.are the data passing</p> <p>void cRecursiveCentroids::ComputeCentroid(int x, int y, int w, int h, IplImage *data, bool splitOnUpDown, int level, int id, int addToId){</p> <pre><code>if (level == m_Levels-1 ) return; int Channels = data-&gt;nChannels; // Number of channels std::cout &lt;&lt; "Channels: " &lt;&lt; Channels &lt;&lt; "\n"; int xPos = 0; int yPos = 0; int nPix = 0; for (int i = x; i &lt; x+h; i++) //Tracing the contour { for (int j = y; j &lt; y+w; j++) { int pos = i * m_Wid * Channels + j; // Here may be the error i am thinking // if any data exists if (data-&gt;imageData[pos]&gt;0) { xPos += j; //std::cout &lt;&lt; "xPos: " &lt;&lt; xPos &lt;&lt; "\n"; yPos += i; // std::cout &lt;&lt; "yPos: " &lt;&lt; yPos &lt;&lt; "\n"; nPix++; } } } Check = nPix; if (nPix &gt; 0){ // Calculating Position xPos = (int)((float)xPos / (float)nPix); yPos = (int)((float)yPos / (float)nPix); int num = ( id + addToId ) &gt; 16 ? 16 : (id+addToId); m_Cent[num].posx = xPos; m_Cent[num].posy = yPos; m_Cent[num].level = level; splitOnUpDown = !splitOnUpDown; level = level+1; if (splitOnUpDown) //Recursive calling for centroids { id *= 2; ComputeCentroid(x,y,w,(yPos - y), data, splitOnUpDown, level, id, addToId); ComputeCentroid(x,yPos,w,h-(yPos-y), data, splitOnUpDown, level, id+1, addToId); } else { id *= 2; ComputeCentroid(x,y,(xPos-x),h, data, splitOnUpDown, level, id, addToId); ComputeCentroid(xPos,y,w - (xPos-x),h, data, splitOnUpDown, level, id+1, addToId); } } DrawCentroidPoints(); //Draw Centroid Points </code></pre> <p>}</p>
 

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