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drhirsch/pyramid2d.m

Created September 2, 2016 05:12
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makes 2-D pyramid phantom
Raw
pyramid2d.m
do:
N = 256;
MinVal = 0;
MaxVal = 2^16 -1;
data = nan(N);
temp = uint16(MinVal:round((MaxVal-MinVal)/(N/2)):MaxVal);
for i = 1:N/2
data(i,i:end-i+1) = temp(i);
data(i:end-i+1,i) = temp(i);
data(end-i+1,i:end-i+1) = temp(i);
data(i:end-i+1,end-i+1) = temp(i);
end
figure, mesh(data)
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