[CCV] Implemented first version of saliency system

Signed-off-by: Jim Martens <github@2martens.de>

ccv/saliency/main.cpp

@@ -0,0 +1,54 @@
+#include <cstdio>
+#include <opencv2/opencv.hpp>
+
+#include "includes/lab_pyramid.h"
+#include "includes/fusion.h"
+
+/**
+ * Entry point of program
+ * @param argc number of arguments
+ * @param argv CLI arguments, 0: name of program, 1: input file name, 2: output file name
+ * @return status code (0: everything OK, -1: not right amount of arguments)
+ */
+int main(int argc, char** argv) {
+  if (argc != 3) {
+    printf("usage: <input file name> <output file name>\n");
+    return -1;
+  }
+
+  // read image
+  cv::Mat image = cv::imread(argv[1], cv::ImreadModes::IMREAD_COLOR);
+
+  // tweakable factors
+  int layers = 4;
+  float sigma_center = 5;
+  float sigma_surround = 9;
+
+  // create LAB pyramids
+  lab_pyramid lab_pyr_center = lab_pyramid(image);
+  lab_pyr_center.create_pyramids(sigma_center, layers);
+  lab_pyramid lab_pyr_surround = lab_pyramid(image);
+  lab_pyr_surround.create_pyramids(sigma_surround, layers);
+
+  // create contrast maps
+  lab_pyramid::compute_dog(lab_pyr_center, lab_pyr_surround, layers);
+  // create feature maps
+  lab_pyramid::compute_feature_maps();
+  // create conspicuity maps
+  lab_pyramid::compute_conspicuity_maps();
+  // get conspicuity maps
+  cv::Mat C_l = lab_pyramid::get_conspicuity_map(lab_pyramid::COLOR_L);
+  cv::Mat C_a = lab_pyramid::get_conspicuity_map(lab_pyramid::COLOR_A);
+  cv::Mat C_b = lab_pyramid::get_conspicuity_map(lab_pyramid::COLOR_B);
+  // get saliency map
+  cv::Mat saliency = max_fusion_saliency(C_l, C_a, C_b);
+
+  // convert saliency map to correct output format
+  cv::Mat output_image;
+  saliency.convertTo(output_image, CV_8UC1);
+
+  // write output
+  cv::imwrite(argv[2], output_image);
+
+  return 0;
+}