This is the face detection library extracted from Android source tree. You can now use it in non-Android applications.
It was originally written by Neven Vision, a company acquired by Google in 2006.
$ make $ sudo make install
It's easy to use this library in your applications.
#include "neven.h"
...
struct neven_env *env = neven_create(width, height, max_faces);
int num_faces = neven_detect(env, buffer); // 'buffer' points to a grayscale 1-byte-per-pixel raw image buffer
int i;
for (i = 0; i < num_faces; i++)
{
struct neven_face face;
neven_get_face(env, &face, i);
printf("face %d is at (%f, %f)\n", i, face.midpointx, face.midpointy);
}
neven_destroy(env);
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