Unity接入百度AI实现货币识别

2022-07-19,,,,

接口介绍:

识别图像中的货币类型,以纸币为主,正反面均可准确识别,接口返回货币的名称、代码、面值、年份信息;可识别各类近代常见货币,如美元、欧元、英镑、法郎、澳大利亚元、俄罗斯卢布、日元、韩元、泰铢、印尼卢比等。

创建应用:     

在产品服务中搜索图像识别,创建应用,获取appid、apikey、secretkey信息:

查阅官方文档,以下是货币识别接口返回数据参数详情:

定义数据结构:

using system;
 
/// <summary>
/// 货币识别
/// </summary>
[serializable]
public class currencyrecognition 
{
    /// <summary>
    /// 请求标识码,随机数,唯一
    /// </summary>
    public int log_id;
    /// <summary>
    /// 识别结果
    /// </summary>
    public currencyrecognitionresult result;
}
 
/// <summary>
/// 货币识别结果
/// </summary>
[serializable]
public class currencyrecognitionresult
{
    /// <summary>
    /// 判断是否返回详细信息(除货币名称之外的其他字段),含有返回1,不含有返回0
    /// </summary>
    public int hasdetail;
    /// <summary>
    /// 货币名称,无法识别返回空
    /// </summary>
    public string currencyname;
    /// <summary>
    /// 货币代码,hasdetail = 0时,表示无法识别,该字段不返回
    /// </summary>
    public string currencycode;
    /// <summary>
    /// 货币面值,hasdetail = 0时,表示无法识别,该字段不返回
    /// </summary>
    public string currencydenomination;
    /// <summary>
    /// 货币年份,hasdetail = 0时,表示无法识别,该字段不返回
    /// </summary>
    public string year;
}

下载c# sdk:

下载完成后将aipsdk.dll动态库导入到unity中:

以下是调用接口时传入的参数详情:

封装调用函数: 

using system;
using system.collections.generic;
using unityengine;
 
/// <summary>
/// 图像识别
/// </summary>
public class imagerecognition 
{
    //以下信息于百度开发者中心控制台创建应用获取
    private const string appid = "";
    private const string apikey = "";
    private const string secretkey = "";
 
    /// <summary>
    /// 货币识别 
    /// </summary>
    /// <param name="bytes">图片字节数据</param>
    /// <returns></returns>
    public static currencyrecognition currency(byte[] bytes)
    {
        var client = new baidu.aip.imageclassify.imageclassify(apikey, secretkey);
        try
        {
            var response = client.currency(bytes);
            currencyrecognition currencyrecognition = jsonutility.fromjson<currencyrecognition>(response.tostring());
            return currencyrecognition;
        }
        catch (exception error)
        {
            debug.logerror(error);
        }
        return null;
    }
    /// <summary>
    /// 货币识别
    /// </summary>
    /// <param name="url">图片url地址</param>
    /// <returns></returns>
    public static currencyrecognition currency(string url)
    {
        var client = new baidu.aip.imageclassify.imageclassify(apikey, secretkey);
        try
        {
            var response = client.currencyurl(url);
            currencyrecognition currencyrecognition = jsonutility.fromjson<currencyrecognition>(response.tostring());
            return currencyrecognition;
        }
        catch (exception error)
        {
            debug.logerror(error);
        }
        return null;
    }
}

测试图片:

using system.io;
using unityengine;
 
public class example : monobehaviour
{
    private void start()
    {
        imagerecognition.currency(file.readallbytes(application.datapath + "/picture.jpg"));
    }
}

以上就是unity接入百度ai实现货币识别的详细内容,更多关于unity货币识别的资料请关注其它相关文章!

《Unity接入百度AI实现货币识别.doc》

下载本文的Word格式文档,以方便收藏与打印。