* @brief ConvexImage * @return the image where convex hull region is white and others are black */

Bit set count operation from http://graphics.stanford.edu/~seander/bithacks.html#CountBitsSetParallel

* @brief Eccentricity * @return the eccentricity of the ellipse */

* @brief EquivalentDiameter * @return the equivalent diameter of the circle with same as area as that of region */

* @brief Extreme * @return the extremal points in the region, respectively: rightMost, leftMost, topMost, bottomMost */

* @brief FilledArea * @return the number of white pixels in filledImage */

* Linearizes the system by computing the Jacobians for the nodes * and edges in the graph */

Returns the camera center.

< the block has to be transposed

Disable the copy constructor and assignment operator