Compute Library
 21.02
NEHOGDescriptor.h
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24 #ifndef ARM_COMPUTE_NEHOGDESCRIPTOR_H
25 #define ARM_COMPUTE_NEHOGDESCRIPTOR_H
26 
32 
33 #include <memory>
34 
35 namespace arm_compute
36 {
37 class IHOG;
38 class NEHOGOrientationBinningKernel;
39 class NEHOGBlockNormalizationKernel;
40 
41 /** Basic function to calculate HOG descriptor. This function calls the following Neon kernels:
42  *
43  * -# @ref NEHOGGradient
44  * -# @ref NEHOGOrientationBinningKernel
45  * -# @ref NEHOGBlockNormalizationKernel
46  *
47  * @deprecated This function is deprecated and is intended to be removed in 21.05 release
48  *
49  */
50 class NEHOGDescriptor : public IFunction
51 {
52 public:
53  /** Default constructor */
54  NEHOGDescriptor(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
55  /** Prevent instances of this class from being copied (As this class contains pointers) */
56  NEHOGDescriptor(const NEHOGDescriptor &) = delete;
57  /** Prevent instances of this class from being copied (As this class contains pointers) */
58  NEHOGDescriptor &operator=(const NEHOGDescriptor &) = delete;
59  /** Prevent instances of this class from being moved (As this class contains non movable objects) */
60  NEHOGDescriptor(NEHOGDescriptor &&) = delete;
61  /** Prevent instances of this class from being moved (As this class contains non movable objects) */
63  /** Default destructor */
65  /** Initialise the function's source, destination, HOG data-object and border mode
66  *
67  * @param[in, out] input Input tensor. Data type supported: U8
68  * (Written to only for @p border_mode != UNDEFINED)
69  * @param[out] output Output tensor which stores the HOG descriptor. DataType supported: F32. The number of channels is equal to the number of histogram bins per block
70  * @param[in] hog HOG data object which describes the HOG descriptor
71  * @param[in] border_mode Border mode to use.
72  * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
73  */
74  void configure(ITensor *input, ITensor *output, const IHOG *hog, BorderMode border_mode, uint8_t constant_border_value = 0);
75 
76  // Inherited method overridden:
77  void run() override;
78 
79 private:
80  MemoryGroup _memory_group;
81  NEHOGGradient _gradient;
82  std::unique_ptr<NEHOGOrientationBinningKernel> _orient_bin;
83  std::unique_ptr<NEHOGBlockNormalizationKernel> _block_norm;
84  Tensor _mag;
85  Tensor _phase;
86  Tensor _hog_space;
87 };
88 }
89 
90 #endif /* ARM_COMPUTE_NEHOGDESCRIPTOR_H */
BorderMode
Methods available to handle borders.
Definition: Types.h:265
Interface for HOG data-object.
Definition: IHOG.h:35
Base class for all functions.
Definition: IFunction.h:30
NEHOGDescriptor(std::shared_ptr< IMemoryManager > memory_manager=nullptr)
Default constructor.
Interface for Neon tensor.
Definition: ITensor.h:36
Copyright (c) 2017-2021 Arm Limited.
Basic function to calculate the gradient for HOG.
Definition: NEHOGGradient.h:50
Basic function to calculate HOG descriptor.
Basic implementation of the tensor interface.
Definition: Tensor.h:37
NEHOGDescriptor & operator=(const NEHOGDescriptor &)=delete
Prevent instances of this class from being copied (As this class contains pointers) ...
~NEHOGDescriptor()
Default destructor.
void run() override
Run the kernels contained in the function.
void configure(ITensor *input, ITensor *output, const IHOG *hog, BorderMode border_mode, uint8_t constant_border_value=0)
Initialise the function&#39;s source, destination, HOG data-object and border mode.