1 /*
2 * Copyright (c) 2017-2020 Arm Limited.
3 *
4 * SPDX-License-Identifier: MIT
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24 #include "arm_compute/runtime/CL/functions/CLLaplacianPyramid.h"
25
26 #include "arm_compute/core/Error.h"
27 #include "arm_compute/core/IPyramid.h"
28 #include "arm_compute/core/TensorInfo.h"
29 #include "arm_compute/core/Validate.h"
30 #include "arm_compute/runtime/CL/CLTensor.h"
31 #include "arm_compute/runtime/CL/functions/CLDepthConvertLayer.h"
32 #include "arm_compute/runtime/CL/functions/CLElementwiseOperations.h"
33 #include "arm_compute/runtime/CL/functions/CLGaussian5x5.h"
34 #include "arm_compute/runtime/CL/functions/CLGaussianPyramid.h"
35 #include "src/core/CL/kernels/CLFillBorderKernel.h"
36 #include "src/core/CL/kernels/CLGaussian5x5Kernel.h"
37 #include "src/core/CL/kernels/CLGaussianPyramidKernel.h"
38
39 using namespace arm_compute;
40
CLLaplacianPyramid()41 CLLaplacianPyramid::CLLaplacianPyramid() // NOLINT
42 : _num_levels(0),
43 _gaussian_pyr_function(),
44 _convf(),
45 _subf(),
46 _depth_function(),
47 _gauss_pyr(),
48 _conv_pyr()
49 {
50 }
51
configure(ICLTensor * input,CLPyramid * pyramid,ICLTensor * output,BorderMode border_mode,uint8_t constant_border_value)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
configure(const CLCompileContext & compile_context,ICLTensor * input,CLPyramid * pyramid,ICLTensor * output,BorderMode border_mode,uint8_t constant_border_value)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);
60 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8);
61 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::S16);
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
run()95 void CLLaplacianPyramid::run()
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 }
113