bin_a1.dat

来自「JPEG Image compression using IJG standar」· DAT 代码 · 共 21 行

function bin_a1_psnr()
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% bin_a1: 19 shifts, 37 adds. CG: 8.822dB, MSE: 8.49E-5.
% 3pi/8:  7/16, 3/8,
% 3pi/16: 5/8, 7/16
% 7pi/16: 3/16, 3/16,
% pi/4:   7/16, 11/16, 3/8,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

q 		 	= [100,    95,     90,     85,     80,     75,     70,     65,     60, ...
				50,	   40,     30,	   20,	   10,		5];
flt_psnr 	= [58.051, 43.832, 40.235, 38.237, 36.884, 35.789, 34.959, 34.226, 33.587, ...
  			   32.539, 31.491, 30.162, 28.254, 25.446, 23.311];
bin_a1_psnr = [54.735, 43.717, 40.202, 38.238, 36.874, 35.790, 34.955, 34.213, 33.575, ...
			   32.516, 31.455, 30.138, 28.232, 25.417, 23.286];

figure;
plot(q,flt_psnr);
hold on;
plot(q,bin_a1_psnr);