27 const int num_thresholds);
31 const int num_thresholds);
34 void img2num_kmeans(
const uint8_t *data, uint8_t *out_data, int32_t *out_labels,
35 const int32_t width,
const int32_t height,
const int32_t k,
36 const int32_t max_iter,
const uint8_t color_space);
40 double sigma_range, uint8_t color_space);
44 const int min_area,
const bool draw_contour_borders);
void img2num_invert_image(uint8_t *ptr, int width, int height)
Invert the pixel values of an image.
char * img2num_labels_to_svg(uint8_t *data, int32_t *labels, const int width, const int height, const int min_area, const bool draw_contour_borders)
Convert labeled regions of an image into an SVG string.
void img2num_threshold_image(uint8_t *ptr, const int width, const int height, const int num_thresholds)
Apply a thresholding operation to an image.
void img2num_gaussian_blur_fft(uint8_t *image, size_t width, size_t height, double sigma)
Apply a Gaussian blur to an image using FFT.
void img2num_black_threshold_image(uint8_t *ptr, const int width, const int height, const int num_thresholds)
Apply black-thresholding to an image.
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)
Perform k-means clustering on image data.
void img2num_bilateral_filter(uint8_t *image, size_t width, size_t height, double sigma_spatial, double sigma_range, uint8_t color_space)
Apply bilateral filtering to an image.