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Viewing changes to extern/libmv/libmv/tracking/brute_region_tracker.cc

  • Committer: Package Import Robot
  • Author(s): Matteo F. Vescovi
  • Date: 2012-04-28 12:11:12 UTC
  • mto: (14.1.6 experimental) (1.5.1)
  • mto: This revision was merged to the branch mainline in revision 34.
  • Revision ID: package-import@ubuntu.com-20120428121112-2zi0vp8b6vejda8i
Tags: upstream-2.63
Import upstream version 2.63

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extern/libmv/libmv/tracking/brute_region_tracker.cc
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#include "libmv/image/image.h"
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#include "libmv/image/convolve.h"
 
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#include "libmv/image/correlation.h"
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#include "libmv/image/sample.h"
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#include "libmv/logging/logging.h"
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  if (best_sad != INT_MAX) {
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    *x2 = best_j + half_window_size;
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    *y2 = best_i + half_window_size;
 
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    if (minimum_correlation > 0) {
 
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      Array3Df image_and_gradient1_sampled, image_and_gradient2_sampled;
 
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      SamplePattern(image_and_gradient1, x1, y1, half_window_size, 3,
 
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                    &image_and_gradient1_sampled);
 
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      SamplePattern(image_and_gradient2, *x2, *y2, half_window_size, 3,
 
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                    &image_and_gradient2_sampled);
 
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      // Compute the Pearson product-moment correlation coefficient to check
 
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      // for sanity.
 
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      double correlation = PearsonProductMomentCorrelation(image_and_gradient1_sampled,
 
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                                                           image_and_gradient2_sampled,
 
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                                                           pattern_width);
 
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      LG << "Final correlation: " << correlation;
 
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      if (correlation < minimum_correlation) {
 
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        LG << "Correlation " << correlation << " greater than "
 
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           << minimum_correlation << "; bailing.";
 
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        return false;
 
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      }
 
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    }
 
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    return true;
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  }
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  return false;