- void downsample_frame(VFrame *dst,
- VFrame *src,
- int downsample);
- void pixel_search(int &x_result, int &y_result, double &r_result);
- void subpixel_search(int &x_result, int &y_result);
- double step_to_angle(int step, double center);
-
-// double calculate_variance(unsigned char *current_ptr,
-// int row_bytes,
-// int w,
-// int h,
-// int color_model);
- double calculate_range(unsigned char *current_ptr,
- int row_bytes,
- int w,
- int h,
- int color_model);
-
-
-
- AffineEngine *rotater;