| | |
| | | #include "faceAPI.h"
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| | | #include "faceDB.h"
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| | |
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| | | faceDB *fdb;
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| | | faceAPI::faceAPI()
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| | |
| | |
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| | | }
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| | |
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| | | //@brief 搜索功能
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| | | //@param 图片
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| | | //@return 人脸id
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| | | int faceAPI::do_reasch(cv::Mat image)
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| | | {
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| | | if (!image.data) {
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| | |
| | | return p_img_search(p_f);
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| | | }
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| | |
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| | | //@brief 搜索功能
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| | | //@param 字符串格式的特征值
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| | | //@return 人脸id
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| | | int faceAPI::do_reasch(char* s_feature)
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| | | {
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| | | get_feature(s_feature,p_f);
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| | | return p_img_search(p_f);
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| | | }
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| | |
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| | | //@brief 注册功能,未完成
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| | | //@param 图片
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| | | //@return 人脸id
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| | | int faceAPI::do_register(cv::Mat image)
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| | | {
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| | | p_f = fdb->extract_feature(image);
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| | |
| | | }
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| | |
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| | |
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| | | //@brief 在数据库中搜索人脸id
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| | | //@param 特征值
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| | | //@return 人脸id
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| | | int faceAPI::p_img_search(cv_feature_t *p_feature)
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| | | {
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| | | std::cout<<"p img search"<<std::endl;
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| | |
| | |
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| | | //@brief 特征值转换为字符串
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| | | //@param 特征值
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| | | //@return 字符串格式的特征值
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| | | //@param 字符串格式的特征值
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| | | //@return 状态量
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| | | int faceAPI::get_char(cv_feature_t *p_feature,char* feature_str)
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| | | {
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| | |
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| | |
| | |
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| | | //@brief 字符串转换为特征值
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| | | //@param 字符串格式的特征值
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| | | //@return 特征值
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| | | //@param 特征值
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| | | //@return 状态量
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| | | int faceAPI::get_feature(char *feature_str,cv_feature_t *p_feature)
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| | | {
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| | |
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| | |
| | | } else
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| | | return -1;
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| | | } |
| | |
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| | | //faceDB实现部分
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| | | #include <iostream>
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| | |
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| | | //"./out1.db"
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| | | char *db_path = "out.db";
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| | |
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| | | faceDB::faceDB()
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| | | {
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| | | // 创建人脸数据库句柄
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| | | cv_verify_create_db(&handle_db);
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| | | fprintf(stderr, "create cv_verify_create_db\n");
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| | | cv_verify_create_handle(&handle_verify, "../models/verify.model");
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| | | fprintf(stderr, "create cv_verify_create_handle\n");
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| | | cv_face_create_detector(&handle_detect, NULL, CV_DETECT_ENABLE_ALIGN_21);
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| | | fprintf(stderr, "create cv_face_create_detector\n");
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| | | db_load();
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| | | fprintf(stderr, "db load\n");
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| | | }
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| | |
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| | | faceDB::~faceDB() {}
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| | |
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| | | /*
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| | | faceDB* faceDB::GetInstance(){
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| | | if (db == NULL)
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| | | {
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| | | db = new faceDB();
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| | | }
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| | |
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| | | return db;
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| | | }*/
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| | |
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| | | //@brief 数据库添加数据
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| | | //@param 特征值
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| | | //@return 人脸id
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| | | int faceDB::db_add(cv_feature_t* p_feature)
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| | | {
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| | | int idx;
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| | | cv_result_t cv_result = cv_verify_add_face(handle_db, p_feature, &idx);
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| | | if (cv_result != CV_OK) {
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| | | fprintf(stderr, "cv_verify_add_face failed, error code %d\n", cv_result);
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| | | }
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| | | cv_verify_release_feature(p_feature);
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| | | return idx;
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| | | }
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| | |
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| | |
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| | | //@brief 保存数据库
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| | | //@return 状态量
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| | | bool faceDB::db_save()
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| | | {
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| | | cv_result = cv_verify_save_db(handle_db, db_path);
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| | | if (cv_result != CV_OK) {
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| | | fprintf(stderr, "cv_verify_save_db failed, error code %d\n", cv_result);
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| | | return false;
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| | | } else {
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| | | fprintf(stderr, "save done!\n");
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| | | }
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| | |
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| | | return true;
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| | | }
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| | |
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| | | //@brief 加载数据库
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| | | //@return 状态量
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| | | bool faceDB::db_load()
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| | | {
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| | | if (handle_db != NULL) {
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| | | fprintf(stderr, "handle_db is not null!%s\n",db_path);
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| | | } else {
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| | | fprintf(stderr, "handle_db is null!%s\n",db_path);
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| | | }
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| | | cv_result = cv_verify_load_db(handle_db, db_path);
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| | | if (cv_result != CV_OK) {
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| | | fprintf(stderr, "cv_verify_load_db failed, error code %d\n", cv_result);
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| | | return false;
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| | | } else {
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| | | fprintf(stderr, "load done!\n");
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| | | }
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| | |
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| | | return true;
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| | | }
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| | |
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| | | //@brief 搜索数据库
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| | | //@param 人脸特征值
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| | | //@return 人脸id
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| | | int faceDB::search_db(cv_feature_t *p_feature)
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| | | {
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| | | int indx=-1;
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| | | //查询前10条
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| | | int top_k = 3;
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| | | int *top_idxs = new int[top_k];
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| | | float *top_scores = new float[top_k];
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| | | unsigned int result_length = 0;
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| | | cv_result = cv_verify_search_face(handle_verify, handle_db,
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| | | p_feature, top_k,
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| | | top_idxs, top_scores, &result_length);
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| | |
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| | |
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| | | if (cv_result == CV_OK) {
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| | | //输出检查结果
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| | | for (unsigned int t = 0; t < result_length; t++) {
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| | | // const cv_feature_t item = result[t].item;
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| | | fprintf(stderr, "%d\t", top_idxs[t]);
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| | | fprintf(stderr, "%0.2f\n", top_scores[t]);
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| | | }
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| | | } else {
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| | | fprintf(stderr, "cv_verify_search_face failed, error code %d\n", cv_result);
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| | | }
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| | | if (top_scores[0] != 0) {
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| | | indx=top_idxs[0];
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| | | }
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| | | if (top_idxs) {
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| | | delete[]top_idxs;
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| | | }
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| | | if (top_scores) {
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| | | delete[]top_scores;
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| | | }
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| | | cv_verify_release_feature(p_feature);
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| | | return indx;
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| | | }
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| | |
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| | | //@brief 提取特征值
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| | | //@param 图片
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| | | //@return 特征值
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| | | cv_feature_t* faceDB::extract_feature(cv::Mat image_color)
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| | | {
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| | | if (handle_verify != NULL) {
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| | | fprintf(stderr, "fdb.handle_verify is not null!\n");
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| | | } else {
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| | | fprintf(stderr, "fdb.handle_verify is null!\n");
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| | | }
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| | |
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| | | cv_feature_t *p_feature = NULL;
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| | | cv_face_t *p_face = NULL;
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| | | int face_count = 0;
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| | | cv_result_t st_result = CV_OK;
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| | | st_result = cv_face_detect(handle_detect, image_color.data, CV_PIX_FMT_BGR888,
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| | | image_color.cols, image_color.rows, image_color.step,
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| | | CV_FACE_UP, &p_face, &face_count);
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| | | if (face_count >= 1) {
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| | | st_result = cv_verify_get_feature(handle_verify,
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| | | (unsigned char *)image_color.data, CV_PIX_FMT_BGR888,
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| | | image_color.cols, image_color.rows, image_color.step,
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| | | p_face, &p_feature, NULL);
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| | | if (st_result != CV_OK) {
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| | | fprintf(stderr, "cv_verify_get_feature failed, error code %d\n", st_result);
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| | | }
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| | | } else {
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| | | fprintf(stderr, "can't find face in ");
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| | | }
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| | | // release the memory of face
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| | | cv_face_release_detector_result(p_face, face_count);
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| | | return p_feature;
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| | | } |