Compute Library
 21.02
CLLaplacianPyramid.cpp
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25 
26 #include "arm_compute/core/Error.h"
38 
39 using namespace arm_compute;
40 
42  : _num_levels(0),
43  _gaussian_pyr_function(),
44  _convf(),
45  _subf(),
46  _depth_function(),
47  _gauss_pyr(),
48  _conv_pyr()
49 {
50 }
51 
52 void CLLaplacianPyramid::configure(ICLTensor *input, CLPyramid *pyramid, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value)
53 {
54  configure(CLKernelLibrary::get().get_compile_context(), input, pyramid, output, border_mode, constant_border_value);
55 }
56 
57 void CLLaplacianPyramid::configure(const CLCompileContext &compile_context, ICLTensor *input, CLPyramid *pyramid, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value)
58 {
59  ARM_COMPUTE_ERROR_ON(nullptr == pyramid);
62  ARM_COMPUTE_ERROR_ON(0 == pyramid->info()->num_levels());
63  ARM_COMPUTE_ERROR_ON(input->info()->dimension(0) != pyramid->info()->width());
64  ARM_COMPUTE_ERROR_ON(input->info()->dimension(1) != pyramid->info()->height());
65  ARM_COMPUTE_ERROR_ON(output->info()->dimension(0) != pyramid->get_pyramid_level(pyramid->info()->num_levels() - 1)->info()->dimension(0));
66  ARM_COMPUTE_ERROR_ON(output->info()->dimension(1) != pyramid->get_pyramid_level(pyramid->info()->num_levels() - 1)->info()->dimension(1));
67 
68  _num_levels = pyramid->info()->num_levels();
69 
70  // Create and initialize the gaussian pyramid and the convoluted pyramid
71  PyramidInfo pyramid_info;
72  pyramid_info.init(_num_levels, 0.5f, pyramid->info()->tensor_shape(), arm_compute::Format::U8);
73 
74  _gauss_pyr.init(pyramid_info);
75  _conv_pyr.init(pyramid_info);
76 
77  // Create Gaussian Pyramid function
78  _gaussian_pyr_function.configure(compile_context, input, &_gauss_pyr, border_mode, constant_border_value);
79 
80  _convf.resize(_num_levels);
81  _subf.resize(_num_levels);
82 
83  for(unsigned int i = 0; i < _num_levels; ++i)
84  {
85  _convf[i].configure(compile_context, _gauss_pyr.get_pyramid_level(i), _conv_pyr.get_pyramid_level(i), border_mode, constant_border_value);
86  _subf[i].configure(compile_context, _gauss_pyr.get_pyramid_level(i), _conv_pyr.get_pyramid_level(i), pyramid->get_pyramid_level(i), ConvertPolicy::WRAP);
87  }
88 
89  _depth_function.configure(compile_context, _conv_pyr.get_pyramid_level(_num_levels - 1), output, ConvertPolicy::WRAP, 0);
90 
91  _gauss_pyr.allocate();
92  _conv_pyr.allocate();
93 }
94 
96 {
97  ARM_COMPUTE_ERROR_ON_MSG(0 == _num_levels, "Unconfigured function");
98 
99  _gaussian_pyr_function.run(); // compute gaussian pyramid
100 
101  for(unsigned int i = 0; i < _num_levels; ++i)
102  {
103  _convf[i].run(); // convolute gaussian pyramid
104  }
105 
106  for(unsigned int i = 0; i < _num_levels; ++i)
107  {
108  _subf[i].run(); // compute laplacian image
109  }
110 
111  _depth_function.run();
112 }
BorderMode
Methods available to handle borders.
Definition: Types.h:265
const TensorShape & tensor_shape() const
Return the TensorShape of the o-th level tensor.
Definition: PyramidInfo.cpp:92
void configure(ICLTensor *input, CLPyramid *pyramid, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value)
Initialise the function&#39;s source, destinations and border mode.
virtual size_t dimension(size_t index) const =0
Return the size of the requested dimension.
1 channel, 1 U8 per channel
const PyramidInfo * info() const override
Interface to be implemented by the child class to return the Pyramid&#39;s metadata.
Definition: CLPyramid.cpp:117
void init(size_t num_levels, float scale, size_t width, size_t height, Format format)
Initialize pyramid&#39;s metadata for 2D tensors.
Definition: PyramidInfo.cpp:50
#define ARM_COMPUTE_ERROR_ON(cond)
If the condition is true then an error message is printed and an exception thrown.
Definition: Error.h:466
static CLKernelLibrary & get()
Access the KernelLibrary singleton.
Copyright (c) 2017-2021 Arm Limited.
void run() override
Run the kernels contained in the function.
Basic implementation of the OpenCL pyramid interface.
Definition: CLPyramid.h:40
void run() override final
Run the kernels contained in the function.
void init(const PyramidInfo &info)
Initialize pyramid data-object using the given Pyramid&#39;s metadata.
Definition: CLPyramid.cpp:41
#define ARM_COMPUTE_ERROR_ON_MSG(cond, msg)
Definition: Error.h:456
void allocate()
Allocate the planes in the pyramid.
Definition: CLPyramid.cpp:109
virtual ITensorInfo * info() const =0
Interface to be implemented by the child class to return the tensor&#39;s metadata.
1 channel, 1 S16 per channel
#define ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)
Definition: Validate.h:790
CLCompileContext class.
void configure(const ICLTensor *input, ICLTensor *output, ConvertPolicy policy, uint32_t shift)
Initialize the function&#39;s source, destination.
Store the Pyramid&#39;s metadata.
Definition: PyramidInfo.h:35
ScaleKernelInfo info(interpolation_policy, default_border_mode, PixelValue(), sampling_policy, false)
void run() override
Run the kernels contained in the function.
Interface for OpenCL tensor.
Definition: ICLTensor.h:42
CLTensor * get_pyramid_level(size_t index) const override
Retrieves a level of the pyramid as a ITensor pointer.
Definition: CLPyramid.cpp:122
size_t width() const
Return the width of the 0th level tensor.
Definition: PyramidInfo.cpp:82
size_t num_levels() const
Return the number of the pyramid levels.
Definition: PyramidInfo.cpp:77
size_t height() const
Return the height of the 0th level tensor.
Definition: PyramidInfo.cpp:87
void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override
Initialise the function&#39;s source, destinations and border mode.