fix pixel_neighbor_

Author: bes-dev

VIBE/src/vibe.cpp

@@ -32,7 +32,8 @@ VIBE::~VIBE()
 
 cv::Vec2i VIBE::getRndNeighbor(int i, int j)
 {
-    int rnd = rng_[rng_idx_ = ( rng_idx_ + 1 ) % RANDOM_BUFFER_SIZE] % 8;
+    int neighbor_count = (pixel_neighbor_ * 2 + 1) * (pixel_neighbor_ * 2 + 1);
+    int rnd = rng_[rng_idx_ = ( rng_idx_ + 1 ) % RANDOM_BUFFER_SIZE] % neighbor_count;
     int start_i = i - pixel_neighbor_;
     int start_j = j - pixel_neighbor_;
     int area = pixel_neighbor_ * 2 + 1;

apps/simple_app/main.cpp

@@ -13,7 +13,7 @@ int main(int argc, char** argv) {
     cv::VideoCapture cap(filename);
 
     int channels = 3;
-    vibe::VIBE vibe_(channels, 20, 1, 17, 2, 16);
+    vibe::VIBE vibe_(channels, 20, 4, 17, 2, 16);
     cv::Mat frame;
     cap>>frame;
     if(channels == 1)