float Bezier::getMinDist( int x, int y, float xScale, float yScale ) const
{
int nearest = findNearestPoint( x, y );
double xDist = xScale * (m_leftVect[nearest] - x);
double yDist = yScale * (m_topVect[nearest] - y);
return sqrt( xDist * xDist + yDist * yDist );
}
float Bezier::getNearestPercent( int x, int y ) const
{
int nearest = findNearestPoint( x, y );
return m_percVect[nearest];
}
// deal with unmatched region
void dealUnMatchedRegion(const Mat& srcImg, const vector<vector<Point2f>>& srcPointsTab, const vector<vector<Point2f>>& srcFeaturesTab, const vector<int>& srcLabels, vector<int>& isMatched, vector<Mat>& transforms )
{
int regionum = transforms.size();
int width = srcImg.size().width;
int height = srcImg.size().height;
vector<Scalar> means(regionum);
computeMeans(srcImg, srcPointsTab, means);
vector<Point2f> centers(regionum);
computeCenters(srcPointsTab, centers);
vector<vector<int>> colorNeighbors(regionum);
buildColorNeighbors(means, colorNeighbors);
//处理未匹配的区域
for (int i = 0; i < regionum; ++ i)
{
if (isMatched[i] != 0) continue;
//集合颜色相近的特征点
int reIdx = i;
vector<Point2f> nearFeatures(0);
for (int j = 0; j < colorNeighbors[i].size(); ++j)
{
int nearIdx = colorNeighbors[i][j];
const vector<Point2f>& nearReFts = srcFeaturesTab[nearIdx];
copy(nearReFts.begin(), nearReFts.end(), std::back_inserter(nearFeatures));
}
//颜色相近的特征点找最近的点
Point2f nearest;
bool isFind = findNearestPoint(nearFeatures, centers[reIdx], nearest);
if (isFind == true)
{
int nearIdx = srcLabels[(int)nearest.y * width + (int)nearest.x];
transforms[reIdx] = transforms[nearIdx].clone();
isMatched[reIdx] = isMatched[nearIdx];
// debug : 显示最近区域
cout << i << "-th unmatched region: the nearest one is " << nearIdx << endl;
Mat test = Mat::zeros(height, width, CV_8UC3);
fillRegion(srcPointsTab[i], means[i], test);
circle(test, centers[i], 5, cv::Scalar(255,255,255));
for (int j = 0; j < colorNeighbors[i].size(); ++ j)
{
int nearIdx = colorNeighbors[i][j];
fillRegion(srcPointsTab[nearIdx], means[nearIdx], test);
}
circle(test, centers[nearIdx], 5, cv::Scalar(255, 255, 255));
string savefn = "output/near_regions_" + type2string(i) + ".png";
imwrite(savefn, test);
//显示结束
}
else
{
cout << i << "-th unmatched region: no similar colored region." << endl;
}
}
}
