53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
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//
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// Copyright (c) 2013 Mr. Gecko's Media (James Coleman). http://mrgeckosmedia.com/
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//
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// Permission to use, copy, modify, and/or distribute this software for any purpose
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// with or without fee is hereby granted, provided that the above copyright notice
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// and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
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// OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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// DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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// ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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#include <opencv2/core/core.hpp>
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#include <opencv2/highgui/highgui.hpp>
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#include <opencv2/imgproc/imgproc.hpp>
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#include <tesseract/baseapi.h>
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#include <iostream>
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int main(int argc, char **argv) {
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if (argc!=2) {
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std::cerr << "Please specify an image" << std::endl;
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return -1;
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}
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cv::Mat image = cv::imread(argv[1]);
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if (image.empty()) {
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std::cerr << "Cannot open source image" << std::endl;
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return -1;
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}
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cv::Mat gray;
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cv::cvtColor(image, gray, CV_BGR2GRAY);
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cv::Mat final;
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cv::threshold(gray, final, 225, 255, cv::THRESH_BINARY);
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/*cv::namedWindow("Display window", CV_WINDOW_AUTOSIZE);
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cv::imshow("Display window", final);
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cv::waitKey(0);*/
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tesseract::TessBaseAPI tess;
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tess.Init(NULL, "eng", tesseract::OEM_DEFAULT);
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tess.SetPageSegMode(tesseract::PSM_SINGLE_BLOCK);
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tess.SetImage((uchar*)final.data, final.cols, final.rows, 1, final.cols);
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char *out = tess.GetUTF8Text();
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std::cout << out;
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return 0;
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}
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