darknet/src/image.h

#ifndef IMAGE_H
#define IMAGE_H

#include "opencv2/highgui/highgui_c.h"
#include "opencv2/imgproc/imgproc_c.h"
typedef struct {
    int h;
    int w;
    int c;
    float *data;
} image;

image image_distance(image a, image b);
void scale_image(image m, float s);
void add_scalar_image(image m, float s);
void normalize_image(image p);
void z_normalize_image(image p);
void threshold_image(image p, float t);
void zero_image(image m);
void rotate_image(image m);
void subtract_image(image a, image b);
float avg_image_layer(image m, int l);
void embed_image(image source, image dest, int h, int w);
image collapse_image_layers(image source, int border);

void show_image(image p, char *name);
void show_image_layers(image p, char *name);
void show_image_collapsed(image p, char *name);
void print_image(image m);

image make_image(int h, int w, int c);
image make_empty_image(int h, int w, int c);
image make_random_image(int h, int w, int c);
image make_random_kernel(int size, int c, float scale);
image float_to_image(int h, int w, int c, float *data);
image copy_image(image p);
image load_image(char *filename, int h, int w);
image ipl_to_image(IplImage* src);

float get_pixel(image m, int x, int y, int c);
float get_pixel_extend(image m, int x, int y, int c);
void set_pixel(image m, int x, int y, int c, float val);

image get_image_layer(image m, int l);

void two_d_convolve(image m, int mc, image kernel, int kc, int stride, image out, int oc, int edge);
void upsample_image(image m, int stride, image out);
void convolve(image m, image kernel, int stride, int channel, image out, int edge);
void back_convolve(image m, image kernel, int stride, int channel, image out, int edge);
void kernel_update(image m, image update, int stride, int channel, image out, int edge);

void free_image(image m);
#endif