img2num.h

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#ifndef IMG2NUM_H
#define IMG2NUM_H
 
#include <cstddef>
#include <cstdint>
 
namespace img2num {
 
void gaussian_blur_fft(uint8_t *image, size_t width, size_t height, double sigma);
 
void invert_image(uint8_t *ptr, int width, int height);
 
void threshold_image(uint8_t *ptr, const int width, const int height, const int num_thresholds);
 
void black_threshold_image(uint8_t *ptr, const int width, const int height,
                           const int num_thresholds);
 
void kmeans(const uint8_t *data, uint8_t *out_data, int32_t *out_labels, const int32_t width,
            const int32_t height, const int32_t k, const int32_t max_iter,
            const uint8_t color_space);
 
void bilateral_filter(uint8_t *image, size_t width, size_t height, double sigma_spatial,
                      double sigma_range, uint8_t color_space);
 
char *labels_to_svg(uint8_t *data, int32_t *labels, const int width, const int height,
                    const int min_area, const bool draw_contour_borders);
}  // namespace img2num
 
#endif  // IMG2NUM_H