public SDVariable im2Col(String name, SDVariable in, Conv2DConfig Conv2DConfig) {
    SDValidation.validateNumerical("im2Col", "in", in);
    SDVariable out =  new org.nd4j.linalg.api.ops.impl.layers.convolution.Im2col(sd,in, Conv2DConfig).outputVariable();
    return sd.updateVariableNameAndReference(out, name);
  }