code: public void process( List<DMatrixRMaj> homographies ) {
  		if( assumeZeroSkew ) {
  			if( homographies.size() < 2 )
  				throw new IllegalArgumentException("At least two homographies are required. Found "+homographies.size());
  		} else if( homographies.size() < 3 ) {
  			throw new IllegalArgumentException("At least three homographies are required. Found "+homographies.size());
  		}
  
  		if( assumeZeroSkew ) {
  			setupA_NoSkew(homographies);
  			if( !solverNull.process(A,1,b) )
  				throw new RuntimeException("SVD failed");
  			computeParam_ZeroSkew();
  		} else {
  			setupA(homographies);
  			if( !solverNull.process(A,1,b) )
  				throw new RuntimeException("SVD failed");
  			computeParam();
  		}
  		if(MatrixFeatures_DDRM.hasUncountable(K)) {
  			throw new RuntimeException("Failed!");
  		}
  	}
docs: Given a set of homographies computed from a sequence of images that observe the same
  plane it estimates the camera's calibration.
  
  @param homographies Homographies computed from observations of the calibration grid.