PSNR comparison (MR = 25%)

% SNR 값
x = [0, 10, 20, 30, 40];

% y축 값
y1 = [18.955, 23.277, 26.859, 29.166, 30]; % No masking
y2 = [19.07, 23.263, 26.882, 29.194, 29.866]; % Proposed
y3 = [18.997, 23.255, 25.986, 27.792, 28.32]; % Random
y4 = [19, 23.275, 25.584, 27.335, 27.977]; % Variance
y5 = [19.065, 22.911, 25.895, 27.703, 28.104]; % Central
y6 = [18.36, 20.63, 21.715, 21.945, 22.103]; % 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;