C# (CSharp) Windows.Media.Ocr OcrResult Examples

Example #1

    /// <summary>
    /// WindowsのOCRエンジンによる文字認識及び, 後処理を実行
    /// </summary>
    /// <param name="softwareBitmap">ビットマップ</param>
    /// <param name="languageCode">言語コード</param>
    /// <returns>テキスト</returns>
    public async Task <string> UwpOcrEngineWithPostProcessing(SoftwareBitmap softwareBitmap, UwpLanguage languageCode)
    {
        string resultText = string.Empty;


        if (this.currentLanguageCode != languageCode)
        {
            this.ocrEngine = UwpOcrEngine.TryCreateFromLanguage(languageCode);
        }


        UwpOcrResult ocrResult = await ocrEngine.RecognizeAsync(softwareBitmap);

        foreach (var ocrLine in ocrResult.Lines)
        {
            resultText += (ocrLine.Text + " ");
        }

        return(resultText.Replace("- ", ""));
    }

Example #2

File: ApiMicrosoftMediaOcr.cs Project: elizavetaRa/Hololens-WHAText

    public void ParseResponseData(object response)
    {
#if (!UNITY_EDITOR)
        Windows.Media.Ocr.OcrResult responseTemp = (Windows.Media.Ocr.OcrResult)response;

        if (responseTemp.Text == "" || responseTemp.Text == null)
        {
            // Debug.LogError("<MediaOCR> " + "No Text recognized");
            this.OcrResult = new OcrResult("", new UnityEngine.Rect(0, 0, 0, 0), OcrService.MICROSOFTMEDIAOCR);
        }
        else
        {
            // Find bounding box coords which surround the entire recognized text block
            float xMin, yMin, xMax, yMax;
            xMin = yMin = xMax = yMax = 0;
            float xMinTemp, yMinTemp, xMaxTemp, yMaxTemp;


            for (int i = 0; i < responseTemp.Lines.Count; i++)
            {
                for (int j = 0; j < responseTemp.Lines[i].Words.Count; j++)
                {
                    xMinTemp = (float)responseTemp.Lines[i].Words[j].BoundingRect.X;
                    yMinTemp = (float)responseTemp.Lines[i].Words[j].BoundingRect.Y;
                    xMaxTemp = (float)(responseTemp.Lines[i].Words[j].BoundingRect.X + responseTemp.Lines[i].Words[j].BoundingRect.Width);
                    yMaxTemp = (float)(responseTemp.Lines[i].Words[j].BoundingRect.Y + responseTemp.Lines[i].Words[j].BoundingRect.Height);

                    if (i == 0 && j == 0)
                    {
                        xMin = xMinTemp;
                        xMax = xMaxTemp;
                        yMin = yMinTemp;
                        yMax = yMaxTemp;
                    }
                    else
                    {
                        if (xMinTemp < xMin)
                        {
                            xMin = xMinTemp;
                        }
                        if (xMaxTemp > xMax)
                        {
                            xMax = xMaxTemp;
                        }
                        if (yMinTemp < yMin)
                        {
                            yMin = yMinTemp;
                        }
                        if (yMaxTemp > yMax)
                        {
                            yMax = yMaxTemp;
                        }
                    }
                }
            }

            this.OcrResult = new OcrResult(responseTemp.Text, new UnityEngine.Rect(xMin, yMin, (xMax - xMin), (yMax - yMin)), OcrService.MICROSOFTMEDIAOCR);
            // Debug.LogError("<MediaOCR> " + this.OcrResult.Text);
        }
#endif
    }