/// <summary>
/// Ocr识别
/// </summary>
/// <param name="bytes"></param>
/// <param name="ocrType"></param>
/// <returns></returns>
public string AIOcrDetect(byte[] bytes, OcrType ocrType = OcrType.GENERAL_BASIC)
{
string result = string.Empty;
if (TcpManager.IsOnLine())//在线检测
{
switch (ocrType)
{
case OcrType.GENERAL_BASIC:
result = OcrDetector.Instance.GeneralBasic(bytes).ToString();
break;
case OcrType.ACCURATE_BASIC:
result = OcrDetector.Instance.AccurateBasic(bytes).ToString();
break;
case OcrType.GENERAL_ENHANCED:
result = OcrDetector.Instance.GeneralEnhanced(bytes).ToString();
break;
case OcrType.HANDWRITING:
result = OcrDetector.Instance.Handwriting(bytes).ToString();
break;
default:
break;
}
}
return(result);
}
protected void Page_Load(object sender, EventArgs e)
{
//IImageToText imageToText = new Tesseract();
IImageToText imageToText = new ImageToText();
string imgpath = Server.MapPath("/upload/10.jpg");
// text = imageToText.Transformation(imgpath, OcrType.Baidu);
OcrType ocrType = OcrType.Baidu;
if (!string.IsNullOrWhiteSpace(System.Configuration.ConfigurationManager.AppSettings["OCR_TYPE"]))
{
ocrType = (OcrType)int.Parse(System.Configuration.ConfigurationManager.AppSettings["OCR_TYPE"]);
}
text = imageToText.Transformation(imgpath, ocrType);
}
static IEnumerable <OcrResult> AsOcrPairs(this object obj, string fileId, OcrType ocrType)
{
foreach (var propertyInfo in obj.GetType().GetProperties())
{
if (typeof(IEnumerable).IsAssignableFrom(propertyInfo.PropertyType) == false || propertyInfo.PropertyType == typeof(string))
{
yield return(new OcrResult(fileId)
{
KeyName = propertyInfo.Name,
OcrValue = propertyInfo.GetValue(obj).ToString(),
OcrType = ocrType
});
}
}
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
context.Response.Charset = "utf-8";
HttpPostedFile file = context.Request.Files["file"];
string folder = context.Request["path"],
id = context.Request["id"],
value = context.Request["id"];
string uploadPath = HttpContext.Current.Server.MapPath(folder) + "\\";
if (file != null)
{
if (!Directory.Exists(uploadPath))
{
Directory.CreateDirectory(uploadPath);
}
String fileName = file.FileName.Substring(file.FileName.LastIndexOf("\\") + 1, file.FileName.Length - 1 - file.FileName.LastIndexOf("\\"));
///取到当前时间的年、月、日、分、秒和毫秒的值，并使用字符串格式把它们组合成一个字符串
// String fileTime = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString()
// + DateTime.Now.Second.ToString() + DateTime.Now.Minute.ToString()
// + DateTime.Now.Millisecond.ToString();
// String src = file.FileName.Substring(file.FileName.LastIndexOf(".") + 1, file.FileName.Length - file.FileName.LastIndexOf(".") - 1).ToLower();
//string fileName = fileTime + "." + src;
file.SaveAs(uploadPath + fileName);
string text = "";
try
{
IImageToText imageToText = new ImageToText();
OcrType ocrType = OcrType.Baidu;
if (!string.IsNullOrWhiteSpace(System.Configuration.ConfigurationManager.AppSettings["OCR_TYPE"]))
{
ocrType = (OcrType)int.Parse(System.Configuration.ConfigurationManager.AppSettings["OCR_TYPE"]);
}
text = imageToText.Transformation(uploadPath + fileName, ocrType);
}
catch (Exception ex) { Console.WriteLine(ex.ToString()); }
//下面这句代码缺少的话，上传成功后上传队列的显示不会自动消失
context.Response.Write("{ \"id\": \"" + id + "\", \"status\": true, \"message\": \"上传成功!\", \"value\": \"" + fileName + "\", \"text\": \"" + Until.string2Json(text) + "\" }");
}
else
{
context.Response.Write("{ \"id\": null, \"status\": false, \"message\"上传失败!\", \"value\": null, \"text\": null }");
}
}
/// <summary>
/// 返回转换结果
/// </summary>
/// <param name="imgpath">图片路劲</param>
/// <param name="ocrType">OCR模式，默认为百度</param>
/// <param name="tesseractlanguage">如果是tesseract，注明语言chi_sim是中文，eng是英文，其他的是自定义</param>
/// <returns></returns>
public string Transformation(string imgpath, OcrType ocrType = OcrType.Baidu, string tesseractlanguage = "chi_sim")
{
string result = string.Empty;
if (ocrType == OcrType.Baidu)
{
if (CustomCache.Exists("Baidu" + imgpath))
{
result = CustomCache.Get <string>("Baidu" + imgpath);
}
else
{
result = BaiduOCR.Transformation(imgpath);
CustomCache.add("Baidu" + imgpath, result);
}
}
else if (ocrType == OcrType.Google)
{
result = new Tesseract(tesseractlanguage).Transformation(imgpath);
}
return(result);
}
/// <summary>
/// Sets to license plate.
/// </summary>
public void SetToLicensePlate()
{
CurrentOcrType = OcrType.LicensePlate;
textOcrResult.text = "";
}
/// <summary>
/// Sets to idcard.
/// </summary>
public void SetToIdcard()
{
CurrentOcrType = OcrType.Idcard;
textOcrResult.text = "";
}
/// <summary>
/// Sets to driving license.
/// </summary>
public void SetToDrivingLicense()
{
CurrentOcrType = OcrType.DrivingLicense;
textOcrResult.text = "";
}
/// <summary>
/// Sets to business license.
/// </summary>
public void SetToBusinessLicense()
{
CurrentOcrType = OcrType.BusinessLicense;
textOcrResult.text = "";
}
/// <summary>
/// Sets to general basic.
/// </summary>
public void SetToGeneralBasic()
{
CurrentOcrType = OcrType.GeneralBasic;
textOcrResult.text = "";
}
/// <summary>
/// Screens the shot read pixels.带参数的重载函数
/// </summary>
/// <returns>The shot read pixels.</returns>
/// <param name="ocrType">Ocr type.</param>
private IEnumerator ScreenShot_ReadPixels(OcrType ocrType)
{
textOcrResult.text = "";
buttonTakePhoto.gameObject.SetActive(false);
yield return(new WaitForEndOfFrame());
//读取像素
Texture2D tex = new Texture2D(Screen.width, Screen.height);
tex.ReadPixels(new Rect(0, 0, tex.width, tex.height), 0, 0);
tex.Apply();
//保存读取的结果
imageBytes = tex.EncodeToPNG();
yield return(new WaitForSeconds(0.01f));
//保存截图
// string path = Application.dataPath + "/ScreenShot_ReadPixels.png";
// System.IO.File.WriteAllBytes(path, tex.EncodeToPNG());
JObject result;
switch (ocrType)
{
case OcrType.Bankcard:
Bankcard();
break;
case OcrType.BusinessLicense:
BusinessLicense();
break;
case OcrType.DrivingLicense:
DrivingLicense();
break;
case OcrType.GeneralBasic:
GeneralBasic();
break;
case OcrType.Idcard:
Idcard();
break;
case OcrType.LicensePlate:
LicensePlate();
break;
default:
break;
}
TextTip.gameObject.SetActive(false);
buttonClose.gameObject.SetActive(true);
buttonTakePhoto.gameObject.SetActive(true);
}
