}
-void StabilizerBase::setUp(int cacheSize, const Mat &frame)
+void StabilizerBase::reset()
{
- InpainterBase *inpainter = static_cast<InpainterBase*>(inpainter_);
- doInpainting_ = dynamic_cast<NullInpainter*>(inpainter) == 0;
- if (doInpainting_)
- {
- inpainter_->setMotionModel(motionEstimator_->motionModel());
- inpainter_->setFrames(frames_);
- inpainter_->setMotions(motions_);
- inpainter_->setStabilizedFrames(stabilizedFrames_);
- inpainter_->setStabilizationMotions(stabilizationMotions_);
- }
-
- DeblurerBase *deblurer = static_cast<DeblurerBase*>(deblurer_);
- doDeblurring_ = dynamic_cast<NullDeblurer*>(deblurer) == 0;
- if (doDeblurring_)
- {
- blurrinessRates_.resize(cacheSize);
- float blurriness = calcBlurriness(frame);
- for (int i = -radius_; i <= 0; ++i)
- at(i, blurrinessRates_) = blurriness;
- deblurer_->setFrames(frames_);
- deblurer_->setMotions(motions_);
- deblurer_->setBlurrinessRates(blurrinessRates_);
- }
-
- log_->print("processing frames");
+ frameSize_ = Size(0, 0);
+ frameMask_ = Mat();
+ curPos_ = -1;
+ curStabilizedPos_ = -1;
+ doDeblurring_ = false;
+ preProcessedFrame_ = Mat();
+ doInpainting_ = false;
+ inpaintingMask_ = Mat();
+ frames_.clear();
+ motions_.clear();
+ blurrinessRates_.clear();
+ stabilizedFrames_.clear();
+ stabilizedMasks_.clear();
+ stabilizationMotions_.clear();
}
Mat StabilizerBase::nextStabilizedFrame()
{
+ // check if we've processed all frames already
if (curStabilizedPos_ == curPos_ && curStabilizedPos_ != -1)
- return Mat(); // we've processed all frames already
+ return Mat();
bool processed;
do processed = doOneIteration();
while (processed && curStabilizedPos_ == -1);
+ // check if frame source is empty
if (curStabilizedPos_ == -1)
- return Mat(); // frame source is empty
+ return Mat();
- const Mat &stabilizedFrame = at(curStabilizedPos_, stabilizedFrames_);
- int dx = static_cast<int>(floor(trimRatio_ * stabilizedFrame.cols));
- int dy = static_cast<int>(floor(trimRatio_ * stabilizedFrame.rows));
- return stabilizedFrame(Rect(dx, dy, stabilizedFrame.cols - 2*dx, stabilizedFrame.rows - 2*dy));
+ return postProcessFrame(at(curStabilizedPos_, stabilizedFrames_));
}
if (doDeblurring_)
at(curPos_, blurrinessRates_) = calcBlurriness(frame);
- estimateMotion();
+ at(curPos_ - 1, motions_) = estimateMotion();
if (curPos_ >= radius_)
{
}
-void StabilizerBase::stabilizeFrame(const Mat &stabilizationMotion)
+void StabilizerBase::setUp(const Mat &firstFrame)
{
- Mat stabilizationMotion_;
+ InpainterBase *inpainter = static_cast<InpainterBase*>(inpainter_);
+ doInpainting_ = dynamic_cast<NullInpainter*>(inpainter) == 0;
+ if (doInpainting_)
+ {
+ inpainter_->setMotionModel(motionEstimator_->motionModel());
+ inpainter_->setFrames(frames_);
+ inpainter_->setMotions(motions_);
+ inpainter_->setStabilizedFrames(stabilizedFrames_);
+ inpainter_->setStabilizationMotions(stabilizationMotions_);
+ }
+
+ DeblurerBase *deblurer = static_cast<DeblurerBase*>(deblurer_);
+ doDeblurring_ = dynamic_cast<NullDeblurer*>(deblurer) == 0;
+ if (doDeblurring_)
+ {
+ blurrinessRates_.resize(2*radius_ + 1);
+ float blurriness = calcBlurriness(firstFrame);
+ for (int i = -radius_; i <= 0; ++i)
+ at(i, blurrinessRates_) = blurriness;
+ deblurer_->setFrames(frames_);
+ deblurer_->setMotions(motions_);
+ deblurer_->setBlurrinessRates(blurrinessRates_);
+ }
+
+ log_->print("processing frames");
+}
+
+
+void StabilizerBase::stabilizeFrame()
+{
+ Mat stabilizationMotion = estimateStabilizationMotion();
if (doCorrectionForInclusion_)
- stabilizationMotion_ = ensureInclusionConstraint(stabilizationMotion, frameSize_, trimRatio_);
- else
- stabilizationMotion_ = stabilizationMotion.clone();
+ stabilizationMotion = ensureInclusionConstraint(stabilizationMotion, frameSize_, trimRatio_);
- at(curStabilizedPos_, stabilizationMotions_) = stabilizationMotion_;
+ at(curStabilizedPos_, stabilizationMotions_) = stabilizationMotion;
if (doDeblurring_)
{
if (motionEstimator_->motionModel() != HOMOGRAPHY)
warpAffine(
preProcessedFrame_, at(curStabilizedPos_, stabilizedFrames_),
- stabilizationMotion_(Rect(0,0,3,2)), frameSize_, INTER_LINEAR, borderMode_);
+ stabilizationMotion(Rect(0,0,3,2)), frameSize_, INTER_LINEAR, borderMode_);
else
warpPerspective(
preProcessedFrame_, at(curStabilizedPos_, stabilizedFrames_),
- stabilizationMotion_, frameSize_, INTER_LINEAR, borderMode_);
+ stabilizationMotion, frameSize_, INTER_LINEAR, borderMode_);
if (doInpainting_)
{
if (motionEstimator_->motionModel() != HOMOGRAPHY)
warpAffine(
frameMask_, at(curStabilizedPos_, stabilizedMasks_),
- stabilizationMotion_(Rect(0,0,3,2)), frameSize_, INTER_NEAREST);
+ stabilizationMotion(Rect(0,0,3,2)), frameSize_, INTER_NEAREST);
else
warpPerspective(
frameMask_, at(curStabilizedPos_, stabilizedMasks_),
- stabilizationMotion_, frameSize_, INTER_NEAREST);
+ stabilizationMotion, frameSize_, INTER_NEAREST);
erode(at(curStabilizedPos_, stabilizedMasks_), at(curStabilizedPos_, stabilizedMasks_),
Mat());
}
+Mat StabilizerBase::postProcessFrame(const Mat &frame)
+{
+ // trim frame
+ int dx = static_cast<int>(floor(trimRatio_ * frame.cols));
+ int dy = static_cast<int>(floor(trimRatio_ * frame.rows));
+ return frame(Rect(dx, dy, frame.cols - 2*dx, frame.rows - 2*dy));
+}
+
+
OnePassStabilizer::OnePassStabilizer()
{
setMotionFilter(new GaussianMotionFilter());
void OnePassStabilizer::reset()
{
- curPos_ = -1;
- curStabilizedPos_ = -1;
- frames_.clear();
- motions_.clear();
- stabilizedFrames_.clear();
- stabilizationMotions_.clear();
- doDeblurring_ = false;
- doInpainting_ = false;
+ StabilizerBase::reset();
}
-void OnePassStabilizer::setUp(Mat &firstFrame)
+void OnePassStabilizer::setUp(const Mat &firstFrame)
{
frameSize_ = firstFrame.size();
frameMask_.create(frameSize_, CV_8U);
frameMask_.setTo(255);
int cacheSize = 2*radius_ + 1;
-
frames_.resize(cacheSize);
stabilizedFrames_.resize(cacheSize);
stabilizedMasks_.resize(cacheSize);
at(0, frames_) = firstFrame;
- StabilizerBase::setUp(cacheSize, firstFrame);
+ StabilizerBase::setUp(firstFrame);
}
-void OnePassStabilizer::estimateMotion()
+Mat OnePassStabilizer::estimateMotion()
{
- at(curPos_ - 1, motions_) = motionEstimator_->estimate(
- at(curPos_ - 1, frames_), at(curPos_, frames_));
+ return motionEstimator_->estimate(at(curPos_ - 1, frames_), at(curPos_, frames_));
}
-void OnePassStabilizer::stabilizeFrame()
+Mat OnePassStabilizer::estimateStabilizationMotion()
{
- Mat stabilizationMotion = motionFilter_->stabilize(curStabilizedPos_, motions_, make_pair(0, curPos_));
- StabilizerBase::stabilizeFrame(stabilizationMotion);
+ return motionFilter_->stabilize(curStabilizedPos_, motions_, make_pair(0, curPos_));
+}
+
+
+Mat OnePassStabilizer::postProcessFrame(const Mat &frame)
+{
+ return StabilizerBase::postProcessFrame(frame);
}
TwoPassStabilizer::TwoPassStabilizer()
{
setMotionStabilizer(new GaussianMotionFilter());
+ setWobbleSuppressor(new NullWobbleSuppressor());
setEstimateTrimRatio(false);
reset();
}
void TwoPassStabilizer::reset()
{
- isPrePassDone_ = false;
+ StabilizerBase::reset();
frameCount_ = 0;
- curPos_ = -1;
- curStabilizedPos_ = -1;
- frames_.clear();
- motions_.clear();
- stabilizedFrames_.clear();
- stabilizationMotions_.clear();
- doDeblurring_ = false;
- doInpainting_ = false;
+ isPrePassDone_ = false;
+ suppressedFrame_ = Mat();
}
}
-void TwoPassStabilizer::setUp(Mat &firstFrame)
+void TwoPassStabilizer::setUp(const Mat &firstFrame)
{
int cacheSize = 2*radius_ + 1;
-
frames_.resize(cacheSize);
stabilizedFrames_.resize(cacheSize);
stabilizedMasks_.resize(cacheSize);
for (int i = -radius_; i <= 0; ++i)
at(i, frames_) = firstFrame;
- StabilizerBase::setUp(cacheSize, firstFrame);
+ wobbleSuppressor_->setFrames(frames_);
+ wobbleSuppressor_->setMotions(motions_);
+ wobbleSuppressor_->setStabilizedFrames(stabilizedFrames_);
+ wobbleSuppressor_->setStabilizationMotions(stabilizationMotions_);
+
+ StabilizerBase::setUp(firstFrame);
+}
+
+
+Mat TwoPassStabilizer::estimateMotion()
+{
+ return motions_[curPos_ - 1].clone();
+}
+
+
+Mat TwoPassStabilizer::estimateStabilizationMotion()
+{
+ return stabilizationMotions_[curStabilizedPos_].clone();
}
-void TwoPassStabilizer::stabilizeFrame()
+Mat TwoPassStabilizer::postProcessFrame(const Mat &/*frame*/)
{
- StabilizerBase::stabilizeFrame(stabilizationMotions_[curStabilizedPos_]);
+ wobbleSuppressor_->suppress(curStabilizedPos_, suppressedFrame_);
+ return StabilizerBase::postProcessFrame(suppressedFrame_);
}
} // namespace videostab
projects / profile / ivi / opencv.git / blobdiff