javascript - What's that filter called?

Question

What is the name of a Filter which filters in a 4x4 region. Adding up all values of the pixels , then dividing it by 16. Is this a gaussian filter?

Pseudo Code

    for (int i = -2; i < 2; ++i) {
        for (int j = -2; j < 2; ++j) {
            result += Texture2D(texture,ij).rgb;
        }
    }              
    result *= 0.0625 ; 

Answer 1

这是一个盒子过滤器 - 这是一个解释等的链接

http://tech-algorithm.com/articles/boxfiltering/

Answer 2

我想您在谈论Mean 过滤器或平均过滤器：

过滤器背后的基本思想是对信号（图像）的任何元素取其邻域的平均值。