我将数据存储在有关神经元记录的结构中。神经元尖峰存储在一个逻辑数组中,其中尖峰为 1,无尖峰为 0。
spike = <1x50 logical>
spike = [1 0 0 0 1 0 0 1 0 0 0 0 0 0 1 1 1 0 1 0 1 0 0 0 1 1 0 0 ...]
我要做的是使用高斯滤波器将这些尖峰转换为平滑曲线信号。
我有以下平滑功能:
function z = spikes(x, winWidth)
% places a Gaussian centered on every spike
% if x is matrix, then perform on the columns
winWidth = round(winWidth);
if winWidth == 0
y = [0 1 0];
w = 1;
else
w = winWidth * 5;
t = -w : w;
y = normpdf(t,0,winWidth);
end
if isvector(x)
z = conv(x,y);
z = z(w+1 : end);
z = z(1 : length(x));
else
z = zeros(size(x));
for i = 1 : size(x,2)
z1 = conv(x(:,i),y);
z1 = z1(w+1 : end);
z1 = z1(1 : length(x));
z(:,i) = z1;
end
end
end
我只是想知道如何从类似于上述逻辑阵列的尖峰中产生神经信号?
PS:我很迷茫,我的答案无法在这里发布。