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
25 #include "arm_compute/runtime/NEON/NEFunctions.h"
26
27 #include "arm_compute/core/Types.h"
28 #include "utils/ImageLoader.h"
29 #include "utils/Utils.h"
30
31 using namespace arm_compute;
32 using namespace utils;
33
34 class NEONCartoonEffectExample : public Example
35 {
36 public:
do_setup(int argc,char ** argv)37 bool do_setup(int argc, char **argv) override
38 {
39 // Open PPM file
40 PPMLoader ppm;
41
42 if(argc < 2)
43 {
44 // Print help
45 std::cout << "Usage: ./build/neon_cartoon_effect [input_image.ppm]\n\n";
46 std::cout << "No input_image provided, creating a dummy 640x480 image\n";
47 // Create an empty grayscale 640x480 image
48 src_img.allocator()->init(TensorInfo(640, 480, Format::U8));
49 }
50 else
51 {
52 ppm.open(argv[1]);
53 ppm.init_image(src_img, Format::U8);
54 }
55
56 // Initialize just the dimensions and format of the images:
57 gaus5x5_img.allocator()->init(*src_img.info());
58 canny_edge_img.allocator()->init(*src_img.info());
59 dst_img.allocator()->init(*src_img.info());
60
61 // Configure the functions to call
62 gaus5x5.configure(&src_img, &gaus5x5_img, BorderMode::REPLICATE);
63 canny_edge.configure(&src_img, &canny_edge_img, 100, 80, 3, 1, BorderMode::REPLICATE);
64 sub.configure(&gaus5x5_img, &canny_edge_img, &dst_img, ConvertPolicy::SATURATE);
65
66 // Now that the padding requirements are known we can allocate the images:
67 src_img.allocator()->allocate();
68 dst_img.allocator()->allocate();
69 gaus5x5_img.allocator()->allocate();
70 canny_edge_img.allocator()->allocate();
71
72 // Fill the input image with the content of the PPM image if a filename was provided:
73 if(ppm.is_open())
74 {
75 ppm.fill_image(src_img);
76 output_filename = std::string(argv[1]) + "_out.ppm";
77 }
78
79 return true;
80 }
81
do_run()82 void do_run() override
83 {
84 // Execute the functions:
85 gaus5x5.run();
86 canny_edge.run();
87 sub.run();
88 }
89
do_teardown()90 void do_teardown() override
91 {
92 // Save the result to file:
93 if(!output_filename.empty())
94 {
95 save_to_ppm(dst_img, output_filename); // save_to_ppm maps and unmaps the image to store as PPM
96 }
97 }
98
99 private:
100 Image src_img{}, dst_img{}, gaus5x5_img{}, canny_edge_img{};
101 NEGaussian5x5 gaus5x5{};
102 NECannyEdge canny_edge{};
103 NEArithmeticSubtraction sub{};
104 std::string output_filename{};
105 };
106
107 /** Main program for cartoon effect test
108 *
109 * @param[in] argc Number of arguments
110 * @param[in] argv Arguments ( [optional] Path to PPM image to process )
111 */
main(int argc,char ** argv)112 int main(int argc, char **argv)
113 {
114 return utils::run_example<NEONCartoonEffectExample>(argc, argv);
115 }
116