g2jet.m

来自「超声图像实时消噪实验程序」· M 代码 · 共 9 行

    function [fs, fsx, fsy, fsxx, fsxy, fsyy] = g2Jet( f, scale )
    % Second order Gaussian jet
    fs   = gD( f, scale, 0, 0 );
    fsx  = gD( f, scale, 1, 0 );
    fsy  = gD( f, scale, 0, 1 );
    fsxx = gD( f, scale, 2, 0 );
    fsxy = gD( f, scale, 1, 1 );
    fsyy = gD( f, scale, 0, 2 );