PSNR comparison (MR=75%)

% SNR 값
x = [0, 10, 20, 30, 40];

% y축 값
y1 = [18.955, 23.277, 26.859, 29.166, 30]; % No masking
y2 = [18.5, 21.835, 23.742, 24.211, 24.272]; % Proposed
y3 = [18.48, 20.573, 21.348, 21.575, 21.607]; % Random
y4 = [17.13, 18.535, 20.333, 20.365, 20.37]; % Variance
y5 = [17.56, 18.618, 19.062, 19.22, 19.229]; % Central
y6 = [15.376, 15.951, 16.067, 16.128, 16.109]; % Periphery

% 그래프 그리기
figure;
hold on;
plot(x, y1, '-o', 'DisplayName', 'No masking', 'LineWidth', 2, 'LineStyle', '-');
plot(x, y2, '-p', 'DisplayName', 'Proposed', 'Color', 'r', 'LineWidth', 2, 'LineStyle', '--');
plot(x, y3, '-d', 'DisplayName', 'Random', 'LineWidth', 2, 'LineStyle', '-.');
plot(x, y4, '-^', 'DisplayName', 'Variance', 'LineWidth', 2, 'LineStyle', ':');
plot(x, y5, '-v', 'DisplayName', 'Central', 'LineWidth', 2, 'LineStyle', '-');
plot(x, y6, '-*', 'DisplayName', 'Periphery', 'LineWidth', 2, 'LineStyle', '--');

% 그래프 설정
xlabel('SNR (dB)');
ylabel('PSNR (dB)');

legend('show', 'Location', 'southeast');
grid on;
ylim([0 35]);
hold off;