+ static uint32_t const num_dist_columns_=5;
+ uint32_t latest_distance_[num_dist_columns_];
+ uint32_t latest_distance_diff_[num_dist_columns_];
+
+ const int DELAY_BLUR = 100;
+ // const int MAX_KERNEL_LENGTH = 31;
+ const int MAX_KERNEL_LENGTH = 23;
+
+ bool normblurImage = true;
+
+ const uint8_t confidence_threshold_ = 5;
+