Can the performance of the OCR process be improved?Yes, it is possible to speed up the performance of OCR, for this set performance of the OCR as rapid, but the output will not the accurate as the slow mode. Below is the code snippet. C#: using (OCRProcessor processor = new OCRProcessor(@"..\..\Tesseract binaries\"))
{
//Load the PDF document
PdfLoadedDocument lDoc = new PdfLoadedDocument(@"input.pdf");
processor.Settings.Performance = Performance.Rapid; // high speed performance and normal output.
Benchmark:
Note: In this context, accuracy means recognizing the data through OCR. In both cases using rapid and slow the accuracy is almost same, but for few cases with complex document structure the slow performance performs better while recognizing the data when compared to rapid, since in slow performance we used to perform page segment analysis using Tesseract which leads to more accuracy in recognizing the data, which is not implemented using rapid performance. Sample Link: http://www.syncfusion.com/downloads/support/directtrac/162811/ze/OCRPerformance-1220983573 |
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