66 lines
1.7 KiB
C#
66 lines
1.7 KiB
C#
using PaddleOCRSharp;
|
||
using System;
|
||
using System.Drawing;
|
||
|
||
public class OcrHelper
|
||
{
|
||
|
||
//private static TesseractEngine engine = new TesseractEngine("./ocr_models", "chi_sim");
|
||
//public static OCRResult GetOcrResult(Bitmap bitmap)
|
||
//{
|
||
// try
|
||
// {
|
||
// using var tempBitmap = new Bitmap(bitmap);
|
||
// var ocrResult = paddleOCREngine.DetectText(tempBitmap);
|
||
// return ocrResult;
|
||
// }
|
||
// catch (Exception ex)
|
||
// {
|
||
// ExceptionNotice.SendAsync(ex, "Ocr文字识别异常！");
|
||
// throw;
|
||
// }
|
||
//}
|
||
|
||
private static string RootDirectory = EngineBase.GetRootDirectory().TrimEnd('\\') + "\\inference";
|
||
|
||
//建议程序全局初始化一次即可，不必每次识别都初始化，容易报错。
|
||
private static PaddleOCREngine paddleOCREngine = paddleOCREngine = new PaddleOCREngine(new OCRModelConfig()
|
||
{
|
||
det_infer = RootDirectory + "\\ch_PP-OCRv3_det_infer",
|
||
cls_infer= RootDirectory + "\\ch_ppocr_mobile_v2.0_cls_infer",
|
||
rec_infer = RootDirectory + "\\ch_PP-OCRv3_rec_infer",
|
||
keys = RootDirectory + "\\ppocr_keys.txt",
|
||
}, new OCRParameter());
|
||
|
||
public static OCRResult GetOcrResult(Bitmap bitmap)
|
||
{
|
||
try
|
||
{
|
||
using (var tempBitmap = new Bitmap(bitmap))
|
||
{
|
||
return paddleOCREngine.DetectText(tempBitmap);
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
throw;
|
||
}
|
||
}
|
||
|
||
public static OCRResult GetOcrResult(byte[] bytes)
|
||
{
|
||
try
|
||
{
|
||
var ocrResult = paddleOCREngine.DetectText(bytes);
|
||
return ocrResult;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
|
||
throw;
|
||
}
|
||
}
|
||
|
||
}
|
||
|