generic-library/opencv
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fixed number of update operation

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This commit is contained in:
Vladislav Vinogradov
2012-08-09 12:28:30 +04:00
parent 9ec96597cd
commit da38a95de6
2 changed files with 26 additions and 23 deletions
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18
modules/gpu/src/bgfg_gmg.cpp
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@@ -96,7 +96,8 @@ void cv::gpu::GMG_GPU::initialize(cv::Size frameSize, float min, float max)
nfeatures_.setTo(cv::Scalar::all(0));
boxFilter_ = cv::gpu::createBoxFilter_GPU(CV_8UC1, CV_8UC1, cv::Size(smoothingRadius, smoothingRadius));
if (smoothingRadius > 0)
boxFilter_ = cv::gpu::createBoxFilter_GPU(CV_8UC1, CV_8UC1, cv::Size(smoothingRadius, smoothingRadius));
loadConstants(frameSize_.width, frameSize_.height, minVal_, maxVal_, quantizationLevels, backgroundPrior, decisionThreshold, maxFeatures, numInitializationFrames);
}
@@ -130,14 +131,21 @@ void cv::gpu::GMG_GPU::operator ()(const cv::gpu::GpuMat& frame, cv::gpu::GpuMat
initialize(frame.size(), 0.0f, frame.depth() == CV_8U ? 255.0f : frame.depth() == CV_16U ? std::numeric_limits<ushort>::max() : 1.0f);
fgmask.create(frameSize_, CV_8UC1);
if (stream)
stream.enqueueMemSet(fgmask, cv::Scalar::all(0));
else
fgmask.setTo(cv::Scalar::all(0));
funcs[frame.depth()][frame.channels() - 1](frame, fgmask, colors_, weights_, nfeatures_, frameNum_, learningRate, cv::gpu::StreamAccessor::getStream(stream));
// medianBlur
boxFilter_->apply(fgmask, buf_, cv::Rect(0,0,-1,-1), stream);
int minCount = (smoothingRadius * smoothingRadius + 1) / 2;
double thresh = 255.0 * minCount / (smoothingRadius * smoothingRadius);
cv::gpu::threshold(buf_, fgmask, thresh, 255.0, cv::THRESH_BINARY, stream);
if (smoothingRadius > 0)
{
boxFilter_->apply(fgmask, buf_, cv::Rect(0,0,-1,-1), stream);
int minCount = (smoothingRadius * smoothingRadius + 1) / 2;
double thresh = 255.0 * minCount / (smoothingRadius * smoothingRadius);
cv::gpu::threshold(buf_, fgmask, thresh, 255.0, cv::THRESH_BINARY, stream);
}
// keep track of how many frames we have processed
++frameNum_;