Facedetection library for c/c++

http://people.kyb.tuebingen.mpg.de/kienzle/facedemo/facedemo.htm

Blob detection

http://blog.damiles.com/2010/12/segmentation-and-feature-extraction-contours-and-blob-detection/

C programming. show current date.

#include <sys/time.h>

int show_date(){

time_t tt;

struct tm *the_tm;

time(&tt);

the_tm = localtime(&tt);

printf("tm_year = %04d-%02d-%02d\n", the_tm->tm_year + 1900, the_tm->tm_mon, the_tm->tm_mday);

return 0;

}

Opencv histogram

http://opencv.itseez.com/doc/tutorials/imgproc/histograms/histogram_comparison/histogram_comparison.html

M ALPR

http://paper.ijcsns.org/07_book/200902/20090245.pdf

Plate number localisation extracting process

 SourceImage -> Gray -> Gabor -> HPF -> Morphology ->Thresholding -> Blob detect -> extract plate

http://tech.groups.yahoo.com/group/OpenCV/message/46913

how to Execute external program from c/c++

Execute external program from c/c++ 

#include <stdio.h>

void main(void) {

    FILE *in;

    extern FILE *popen();

    char buff[512];

    if(!(in = popen("ls -sail", "r"))){

        exit(0);

    }

    while(fgets(buff, sizeof(buff), in)!=NULL){

        printf("%s", buff);

    }

    pclose(in);

}

opencv 2.3. Documentation

http://opencv.itseez.com/index.html