public Matrix4f convertTo4D(Matrix4f kTransform) {
    if (m_kImageA.nDims == 2) {
      Matrix4f kMat = new Matrix4f(false);
      kMat.M00 = kTransform.M00;
      kMat.M01 = kTransform.M01;
      kMat.M02 = 0;
      kMat.M03 = kTransform.M02;

      kMat.M10 = kTransform.M10;
      kMat.M11 = kTransform.M11;
      kMat.M12 = 0;
      kMat.M13 = kTransform.M12;
      kMat.Transpose();
      return kMat;
    }
    kTransform.Transpose();
    return kTransform;
  }