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Document Understanding classic user guide

上次更新日期 2026年4月23日

OCR 引擎

当原生内容不可用时,可在数字化组件中使用 OCR 引擎来识别文件中的文本。

备注:

需要处理的图像的分辨率范围应为:

  • 最小值:50 x 50 像素
  • 最大值:9000 x 9000 像素

Here is a selection of OCR Engines that you can choose from, according to your needs, throughout the Document UnderstandingTM Framework.

OCR 引擎活动包日志文件夹中的调试日志格式报告置信度
UiPath 扩展语言 OCRUiPath.OCR.Activities${date:format=yyyy-MM-dd}
UiPath 文档 OCRUiPath.OCR.Activities${date:format=yyyy-MM-dd}
中文、日语和韩语 OCRUiPath.Core.Activities.CjkOCR${date:format=yyyy-MM-dd}
OmniPage OCRUiPath.OmniPage.Activities${date:format=yyyy-MM-dd}
Google Cloud Vision OCRUiPath.UIAutomation.Activities${date:format=yyyy-MM-dd}

❌ if DetectionMode is set to TextDetection (default)

✅ if DetectionMode is set to DocumentTextDetection

Microsoft Azure 计算机视觉 OCRUiPath.UIAutomation.Activities${date:format=yyyy-MM-dd}

❌ if UseReadAPI is not selected (default)

✅ if UseReadAPI is selected

Microsoft OCRUiPath.UIAutomation.Activities${date:format=yyyy-MM-dd}
Tesseract OCRUiPath.UIAutomation.Activities${date:format=yyyy-MM-dd}
备注:

When debugging errors, you can always visit the logs folder and check the relevant OCR log files. Read more about logging here.

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