cimg2num.h

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#ifndef CIMG2NUM_H
#define CIMG2NUM_H
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
void img2num_gaussian_blur_fft(uint8_t *image, size_t width, size_t height, double sigma);
 
void img2num_invert_image(uint8_t *ptr, int width, int height);
 
void img2num_threshold_image(uint8_t *ptr, const int width, const int height,
                             const int num_thresholds);
 
void img2num_black_threshold_image(uint8_t *ptr, const int width, const int height,
                                   const int num_thresholds);
 
void img2num_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 img2num_bilateral_filter(uint8_t *image, size_t width, size_t height, double sigma_spatial,
                              double sigma_range, uint8_t color_space);
 
char *img2num_labels_to_svg(const uint8_t *data, const int32_t *labels, const int width,
                            const int height, const int min_area);
 
#ifdef __cplusplus
}
#endif
 
#endif  // CIMG2NUM_H