Compute Library
 21.08
NormalizePlanarYUVLayer.cpp
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25 
27 
28 namespace arm_compute
29 {
30 namespace test
31 {
32 namespace validation
33 {
34 namespace reference
35 {
36 // NormalizePlanarYUV Layer for floating point type
37 template <typename T>
39 {
40  SimpleTensor<T> result(src.shape(), src.data_type());
41 
42  const auto cols = static_cast<int>(src.shape()[0]);
43  const auto rows = static_cast<int>(src.shape()[1]);
44  const auto depth = static_cast<int>(src.shape()[2]);
45  const int upper_dims = src.shape().total_size() / (cols * rows * depth);
46 
47  for(int r = 0; r < upper_dims; ++r)
48  {
49  for(int i = 0; i < depth; ++i)
50  {
51  for(int k = 0; k < rows; ++k)
52  {
53  for(int l = 0; l < cols; ++l)
54  {
55  const int pos = l + k * cols + i * rows * cols + r * cols * rows * depth;
56  result[pos] = (src[pos] - mean[i]) / std[i];
57  }
58  }
59  }
60  }
61  return result;
62 }
63 
64 template <>
66 {
70  SimpleTensor<float> dst_tmp = normalize_planar_yuv_layer<float>(src_tmp, mean_tmp, std_tmp);
71  SimpleTensor<uint8_t> dst = convert_to_asymmetric<uint8_t>(dst_tmp, src.quantization_info());
72  return dst;
73 }
74 
75 template <>
77 {
81  SimpleTensor<float> dst_tmp = normalize_planar_yuv_layer<float>(src_tmp, mean_tmp, std_tmp);
82  SimpleTensor<int8_t> dst = convert_to_asymmetric<int8_t>(dst_tmp, src.quantization_info());
83  return dst;
84 }
85 
88 } // namespace reference
89 } // namespace validation
90 } // namespace test
91 } // namespace arm_compute
SimpleTensor< int8_t > normalize_planar_yuv_layer< int8_t >(const SimpleTensor< int8_t > &src, const SimpleTensor< int8_t > &mean, const SimpleTensor< int8_t > &std)
DataType data_type() const override
Data type of the tensor.
Definition: SimpleTensor.h:357
SimpleTensor< float > convert_from_asymmetric(const SimpleTensor< uint8_t > &src)
Definition: Helpers.cpp:36
TensorShape shape() const override
Shape of the tensor.
Definition: SimpleTensor.h:320
SimpleTensor< float > src
Definition: DFT.cpp:155
Copyright (c) 2017-2021 Arm Limited.
SimpleTensor< T > normalize_planar_yuv_layer(const SimpleTensor< T > &src, const SimpleTensor< T > &mean, const SimpleTensor< T > &std)
Simple tensor object that stores elements in a consecutive chunk of memory.
Definition: SimpleTensor.h:58
QuantizationInfo quantization_info() const override
Quantization info in case of asymmetric quantized type.
Definition: SimpleTensor.h:332
SimpleTensor< uint8_t > normalize_planar_yuv_layer< uint8_t >(const SimpleTensor< uint8_t > &src, const SimpleTensor< uint8_t > &mean, const SimpleTensor< uint8_t > &std)