软件简介

Zinnia 是一个简单、可定制和可移植的手写识别系统，基于 Support Vector Machines (SVM)
算法。SVM算法简介。

实例代码：

#include <stdio.h>  
#include "zinnia.h"

int main(int argc, char **argv) {  
  size_t i;  
  zinnia_recognizer_t *recognizer;  
  zinnia_character_t *character;  
  zinnia_result_t *result;

  recognizer = zinnia_recognizer_new();

  if (!zinnia_recognizer_open(recognizer, "/usr/local/lib/zinnia/model/tomoe/handwriting-ja.model")) {  
    fprintf(stderr, "ERROR: %s\n", zinnia_recognizer_strerror(recognizer));  
    return -1;  
  }

  zinnia_character_t  *character  = zinnia_character_new();  
  zinnia_character_clear(character);  
  zinnia_character_set_width(character, 300);  
  zinnia_character_set_height(character, 300);  
  zinnia_character_add(character, 0, 51, 29);  
  zinnia_character_add(character, 0, 117, 41);  
  zinnia_character_add(character, 1, 99, 65);  
  zinnia_character_add(character, 1, 219, 77);  
  zinnia_character_add(character, 2, 27, 131);  
  zinnia_character_add(character, 2, 261, 131);  
  zinnia_character_add(character, 3, 129, 17);  
  zinnia_character_add(character, 3, 57, 203);  
  zinnia_character_add(character, 4, 111, 71);  
  zinnia_character_add(character, 4, 219, 173);  
  zinnia_character_add(character, 5, 81, 161);  
  zinnia_character_add(character, 5, 93, 281);  
  zinnia_character_add(character, 6, 99, 167);  
  zinnia_character_add(character, 6, 207, 167);  
  zinnia_character_add(character, 6, 189, 245);  
  zinnia_character_add(character, 7, 99, 227);  
  zinnia_character_add(character, 7, 189, 227);  
  zinnia_character_add(character, 8, 111, 257);  
  zinnia_character_add(character, 8, 189, 245);

  result = zinnia_recognizer_classify(recognizer, character, 10);  
  if (result == NULL) {  
    fprintf(stderr, "%s\n", zinnia_recognizer_strerror(recognizer));  
    return -1;  
  }


  for (i = 0; i < zinnia_result_size(result); ++i) {  
    fprintf(stdout, "%s\t%f\n",  
            zinnia_result_value(result, i),  
            zinnia_result_score(result, i));  
  }

  zinnia_result_destroy(result);  
  zinnia_character_destroy(character);  
  zinnia_recognizer_destroy(recognizer);

  return 0;  
}