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Merge pull request #693 from engycz/master

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Fix #641,#692 - Added support for tesseract version >=4.0.0
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Matthew Hill
2018-06-15 10:02:32 -04:00
committed by GitHub
parent 298db50588 28e0b0fa95
commit 1be5929113
1 changed files with 5 additions and 1 deletions
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6
src/openalpr/ocr/tesseract_ocr.cpp
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@@ -42,8 +42,12 @@ namespace alpr
std::cerr << "Expecting at least " << MINIMUM_TESSERACT_VERSION << ", your version is: " << tesseract.Version() << endl; std::cerr << "Expecting at least " << MINIMUM_TESSERACT_VERSION << ", your version is: " << tesseract.Version() << endl;
} }
string TessdataPrefix = config->getTessdataPrefix();
if (cmpVersion(tesseract.Version(), "4.0.0") >= 0)
TessdataPrefix += "tessdata/";
// Tesseract requires the prefix directory to be set as an env variable // Tesseract requires the prefix directory to be set as an env variable
tesseract.Init(config->getTessdataPrefix().c_str(), config->ocrLanguage.c_str() ); tesseract.Init(TessdataPrefix.c_str(), config->ocrLanguage.c_str() );
tesseract.SetVariable("save_blob_choices", "T"); tesseract.SetVariable("save_blob_choices", "T");
tesseract.SetVariable("debug_file", "/dev/null"); tesseract.SetVariable("debug_file", "/dev/null");
tesseract.SetPageSegMode(PSM_SINGLE_CHAR); tesseract.SetPageSegMode(PSM_SINGLE_CHAR);