Compute Library
 21.02
YOLOLayer.cpp
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24 #include "YOLOLayer.h"
25 
26 #include "ActivationLayer.h"
27 
28 #include "arm_compute/core/Types.h"
30 
31 namespace arm_compute
32 {
33 namespace test
34 {
35 namespace validation
36 {
37 namespace reference
38 {
39 template <typename T, typename std::enable_if<is_floating_point<T>::value, int>::type>
41 {
42  // Create reference
43  SimpleTensor<T> dst{ src.shape(), src.data_type() };
44 
45  // Compute reference
46  const T a(info.a());
47  const T b(info.b());
48 
49  const uint32_t num_elements = src.num_elements();
50 #if defined(_OPENMP)
51  #pragma omp parallel for
52 #endif /* _OPENMP */
53  for(uint32_t i = 0; i < num_elements; ++i)
54  {
55  const size_t z = index2coord(dst.shape(), i).z() % (num_classes + 5);
56 
57  if(z != 2 && z != 3)
58  {
59  dst[i] = activate_float<T>(src[i], a, b, info.activation());
60  }
61  else
62  {
63  dst[i] = src[i];
64  }
65  }
66 
67  return dst;
68 }
69 
70 template <>
72 {
74  SimpleTensor<float> dst_tmp = yolo_layer<float>(src_tmp, info, num_classes);
75  SimpleTensor<uint8_t> dst = convert_to_asymmetric<uint8_t>(dst_tmp, src.quantization_info());
76  return dst;
77 }
78 
79 template SimpleTensor<float> yolo_layer(const SimpleTensor<float> &src, const ActivationLayerInfo &info, int32_t num_classes);
80 template SimpleTensor<half> yolo_layer(const SimpleTensor<half> &src, const ActivationLayerInfo &info, int32_t num_classes);
81 } // namespace reference
82 } // namespace validation
83 } // namespace test
84 } // namespace arm_compute
SimpleTensor< float > b
Definition: DFT.cpp:157
float a() const
Get the alpha value.
Definition: Types.h:1590
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:112
TensorShape shape() const override
Shape of the tensor.
Definition: SimpleTensor.h:320
Activation Layer Information class.
Definition: Types.h:1550
decltype(strategy::transforms) typedef type
SimpleTensor< uint8_t > yolo_layer< uint8_t >(const SimpleTensor< uint8_t > &src, const ActivationLayerInfo &info, int32_t num_classes)
Definition: YOLOLayer.cpp:71
SimpleTensor< float > src
Definition: DFT.cpp:155
Copyright (c) 2017-2021 Arm Limited.
Coordinates index2coord(const TensorShape &shape, int index)
Convert a linear index into n-dimensional coordinates.
Definition: Utils.h:460
Simple tensor object that stores elements in a consecutive chunk of memory.
Definition: SimpleTensor.h:58
ScaleKernelInfo info(interpolation_policy, default_border_mode, PixelValue(), sampling_policy, false)
SimpleTensor< T > yolo_layer(const SimpleTensor< T > &src, const ActivationLayerInfo &info, int32_t num_classes)
Definition: YOLOLayer.cpp:40
int num_elements() const override
Number of elements of the tensor.
Definition: SimpleTensor.h:406
ActivationFunction activation() const
Get the type of activation function.
Definition: Types.h:1585
float b() const
Get the beta value.
Definition: Types.h:1595
QuantizationInfo quantization_info() const override
Quantization info in case of asymmetric quantized type.
Definition: SimpleTensor.h:332