text: #include <cuda_runtime.h>
  #include <cuda.h>
  
  cudaError_t cudaPreImageNet( float4* input, size_t inputWidth, size_t inputHeight,
  				         float* output, size_t outputWidth, size_t outputHeight );
  cudaError_t cudaPreImageNetMean( float4* input, size_t inputWidth, size_t inputHeight,
  				             float* output, size_t outputWidth, size_t outputHeight, const float3& mean_value );
  