how to create vision contrast test system in MATLAB?

1 次查看（过去 30 天）
OJ27
OJ27 2018-3-23
编辑： OJ27 2018-3-23
Anyone have any idea how I can create this chart? I am using cosine functions with different frequencies and plotting them over a 2D grid. However, I do not know how to get the exact same contrast as the original chart
x = linspace(- .5 * pi, .5* pi, rows);
y = linspace(1, 100, rows);
[xx,~] = meshgrid(x, y);
z = L(i) .* (C(i) .* cos(2 .* pi .* freq .* xx) + 1);
where L is the luminance and C the contrast. If you know a better way, It'd be great to learn it.

请先登录，再回答此问题。

回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Computer Vision Toolbox 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by