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Added prewarp stretch

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Matt Hill
2015-03-28 16:11:17 -04:00
parent 96135dfc56
commit d326227e65
2 changed files with 8 additions and 6 deletions
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10
src/openalpr/prewarp.cpp
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@@ -44,7 +44,7 @@ namespace alpr
this->valid = false; this->valid = false;
} }
else if (commacount != 8) else if (commacount != 9)
{ {
if (this->config->debugPrewarp) if (this->config->debugPrewarp)
cout << "Invalid prewarp configuration" << endl; cout << "Invalid prewarp configuration" << endl;
@@ -78,6 +78,8 @@ namespace alpr
ss.ignore(); // Ignore comma ss.ignore(); // Ignore comma
ss >> rotationz; ss >> rotationz;
ss.ignore(); // Ignore comma ss.ignore(); // Ignore comma
ss >> stretchX;
ss.ignore(); // Ignore comma
ss >> dist; ss >> dist;
ss.ignore(); // Ignore comma ss.ignore(); // Ignore comma
ss >> panX; ss >> panX;
@@ -113,7 +115,7 @@ namespace alpr
float py = panY / height_ratio; float py = panY / height_ratio;
transform = findTransform(image.cols, image.rows, rx, ry, rotationz, px, py, dist); transform = findTransform(image.cols, image.rows, rx, ry, rotationz, px, py, stretchX, dist);
Mat warped_image; Mat warped_image;
@@ -194,7 +196,7 @@ namespace alpr
cv::Mat PreWarp::findTransform(float w, float h, cv::Mat PreWarp::findTransform(float w, float h,
float rotationx, float rotationy, float rotationz, float rotationx, float rotationy, float rotationz,
float panX, float panY, float dist) { float panX, float panY, float stretchX, float dist) {
float alpha = rotationx; float alpha = rotationx;
float beta = rotationy; float beta = rotationy;
@@ -239,7 +241,7 @@ namespace alpr
// Translation matrix on the Z axis // Translation matrix on the Z axis
Mat T = (Mat_<double>(4, 4) << Mat T = (Mat_<double>(4, 4) <<
1, 0, 0, panX, stretchX, 0, 0, panX,
0, 1, 0, panY, 0, 1, 0, panY,
0, 0, 1, dist, 0, 0, 1, dist,
0, 0, 0, 1); 0, 0, 0, 1);

4
src/openalpr/prewarp.h
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@@ -45,9 +45,9 @@ namespace alpr
Config* config; Config* config;
cv::Mat transform; cv::Mat transform;
float w, h, rotationx, rotationy, rotationz, dist, panX, panY; float w, h, rotationx, rotationy, rotationz, stretchX, dist, panX, panY;
cv::Mat findTransform(float w, float h, float rotationx, float rotationy, float rotationz, float panX, float panY, float dist); cv::Mat findTransform(float w, float h, float rotationx, float rotationy, float rotationz, float panX, float panY, float stretchX, float dist);
}; };
} }