C++ (Cpp) DImage::max Examples

Example #1

File: OpticalFlow.cpp Project: ZhaozhengPlus/MovingFaceReconstruction

bool OpticalFlow::showFlow(const DImage& flow,const char* filename)
{
	if(flow.nchannels()!=1)
	{
		cout<<"The flow must be a single channel image!"<<endl;
		return false;
	}
	Image<unsigned char> foo;
	foo.allocate(flow.width(),flow.height());
	double Max = flow.max();
	double Min = flow.min();
	for(int i = 0;i<flow.npixels(); i++)
		foo[i] = (flow[i]-Min)/(Max-Min)*255;
	foo.imwrite(filename);
}