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March 26, 2018 02:45
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Canny Edge Detection via the SOD Embedded Image Processing API - https://sod.pixlab.io
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/* | |
* Programming introduction with the SOD Embedded Image Processing API. | |
* Copyright (C) PixLab | Symisc Systems, https://sod.pixlab.io | |
*/ | |
/* | |
* Compile this file together with the SOD embedded source code to generate | |
* the executable. For example: | |
* | |
* gcc sod.c canny_edge_detection.c -lm -Ofast -march=native -Wall -std=c99 -o sod_img_proc | |
* | |
* Under Microsoft Visual Studio (>= 2015), just drop `sod.c` and its accompanying | |
* header files on your source tree and you're done. If you have any trouble | |
* integrating SOD in your project, please submit a support request at: | |
* https://sod.pixlab.io/support.html | |
*/ | |
/* | |
* This simple program is a quick introduction on how to embed and start | |
* experimenting with SOD without having to do a lot of tedious | |
* reading and configuration. | |
* | |
* Make sure you have the latest release of SOD from: | |
* https://pixlab.io/downloads | |
* The SOD Embedded C/C++ documentation is available at: | |
* https://sod.pixlab.io/api.html | |
*/ | |
#include <stdio.h> | |
#include "sod.h" | |
int main(int argc, char *argv[]) | |
{ | |
/* Input image (pass a path or use the test image shipped with the samples ZIP archive) */ | |
const char *zInput = argc > 1 ? argv[1] : "./test.png"; | |
/* Processed output image path */ | |
const char *zOut = argc > 2 ? argv[2] : "./out_canny.png"; | |
/* Load the input image in the grayscale colorspace */ | |
sod_img imgIn = sod_img_load_from_file(zInput, SOD_IMG_GRAYSCALE/* single channel colorspace (gray)*/); | |
if (imgIn.data == 0) { | |
/* Invalid path, unsupported format, memory failure, etc. */ | |
puts("Cannot load input image..exiting"); | |
return 0; | |
} | |
/* Perform canny edge detection. */ | |
sod_img imgOut = sod_canny_edge_image(imgIn, 0 /* Set this to 1 if you want to reduce noise */); | |
/* Finally save our processed image to the specified path */ | |
sod_img_save_as_png(imgOut, zOut); | |
/* Cleanup */ | |
sod_free_image(imgIn); | |
sod_free_image(imgOut); | |
return 0; | |
} |
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SOD Embedded Homepage: https://sod.pixlab.io
SOD C/C++ API documentation: https://sod.pixlab.io/api.html
Getting Started with SOD Embedded: https://sod.pixlab.io/intro.html