Codedemoforsingle-pixelimaging(SPI)withdifferentreconstructionmethodsincluding[1]differentialghostimaging(DGI)[2]gradientdescent(GD)[3]conjugategradientdescent(CGD)[4]Poissonmaximumlikelihood(Poisson)[5]alternatingprojection(AP)[6]sparserepresentationcompressivesensing(Sparse)[7]totalvariati