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ocr增加dpi

This commit is contained in:
luoliangyi 2022-10-31 14:02:14 +08:00
parent 3a18ba9d50
commit 7a3aef5d29
1 changed files with 6 additions and 0 deletions
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6
modules/imgproc/HGOCRTesseract.cpp
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@ -94,6 +94,9 @@ HGResult HGOCRTesseract::ImageOCR(HGImage image, class HGOCRRetImpl** ocrRet)
HGBase_GetImageData(image2, &imageData);
TessBaseAPISetImage(m_baseApi, imageData, imgInfo.width, imgInfo.height, 3, imgInfo.widthStep);
HGUInt xDpi, yDpi;
HGBase_GetImageDpi(image2, &xDpi, &yDpi);
TessBaseAPISetSourceResolution(m_baseApi, (xDpi + yDpi) / 2);
char *text = TessBaseAPIGetUTF8Text(m_baseApi);
if (NULL == text)
@ -159,6 +162,9 @@ HGResult HGOCRTesseract::ImageTextDirectOCR(HGImage image, HGUInt* direct)
HGBase_GetImageData(image2, &imageData);
TessBaseAPISetImage(m_baseApi, imageData, imgInfo.width, imgInfo.height, 3, imgInfo.widthStep);
HGUInt xDpi, yDpi;
HGBase_GetImageDpi(image2, &xDpi, &yDpi);
TessBaseAPISetSourceResolution(m_baseApi, (xDpi + yDpi) / 2);
TessPageIterator* iter = TessBaseAPIAnalyseLayout(m_baseApi);
if (NULL == iter)