Esempio n. 1
0
    def objfunc(logim):
        Frames = np.exp(logim.reshape((-1, N_pixel, N_pixel)))     
        if entropy == "simple":
            s = np.sum(-mx.ssimple(Frames[i].ravel(), nprior_List[i]) for i in range(N_frame))
        elif entropy == "l1":
            s = np.sum(-mx.sl1(Frames[i].ravel(), nprior_List[i]) for i in range(N_frame))
        elif entropy == "gs":
            s = np.sum(-mx.sgs(Frames[i].ravel(), nprior_List[i]) for i in range(N_frame))
        elif entropy == "tv":
            s = np.sum(-mx.stv(Frames[i].ravel(), Prior_List[0].xdim, Prior_List[0].ydim) for i in range(N_frame))

        chisq_total = np.sum(mx.chisq_bi(Frames[i].ravel(), A_List[i], bi_List[i], sigma_List[i]) for i in range(N_frame))/N_frame  
        s_dynamic = dynamic_regularizer(Frames, gauss)
	t = np.sum( [ gamma * (np.sum(Frames[i].ravel()) - Flux_List[i])**2 for i in range(N_frame)] )/N_frame  
        return s + beta * s_dynamic + alpha * (chisq_total - 1.) + t
Esempio n. 2
0
    def objfunc(logim):
        Frames = np.exp(logim.reshape((-1, N_pixel, N_pixel)))     
        if entropy == "simple":
            s = np.sum(-mx.ssimple(Frames[i].ravel(), nprior_List[i]) for i in range(N_frame))
        elif entropy == "l1":
            s = np.sum(-mx.sl1(Frames[i].ravel(), nprior_List[i]) for i in range(N_frame))
        elif entropy == "gs":
            s = np.sum(-mx.sgs(Frames[i].ravel(), nprior_List[i]) for i in range(N_frame))
        elif entropy == "tv":
            s = np.sum(-mx.stv(Frames[i].ravel(), Prior_List[0].xdim, Prior_List[0].ydim) for i in range(N_frame))

        chisq_total = np.sum(mx.chisq(Frames[i].ravel(), A_List[i], vis_List[i], sigma_List[i]) for i in range(N_frame))/N_frame  
	#print ("chisq_total ",chisq_total)
        s_dynamic = dynamic_regularizer(Frames, gauss)
	#print ("s_dynamic ",s_dynamic)
	#return s_dynamic
        return s + beta * s_dynamic + alpha * (chisq_total - 1.)