xiazdong

public class GussianBlur {
    private static final GussianBlur INSTANCE = new GussianBlur();
    private int sigma = 15;   //通过调节该参数设置高斯模糊的模糊程度，越大越模糊
    private int radius = 3 * sigma;
    private double[] kernel = new double[radius + 1];  //kernel[i]表示离中心点距离为i的权重

    private GussianBlur() {}

    /**
     * 初始化卷积核