public float dot(final VO_Texture iTexture) {
   Matrix A = new Matrix(com.visionopen.jiapei.utils.Common.float2double(this.m_MatTexture));
   Matrix B = new Matrix(com.visionopen.jiapei.utils.Common.float2double(iTexture.m_MatTexture));
   return (com.visionopen.jiapei.utils.Common.CalcMatrixElemSum(A.arrayTimes(B)));
 }