www.gusucode.com > 粒子滤波全套源代码,实现了粒子滤波的全部功能,是粒子滤波提高级程序 > particle filter program/Select.m
function New_Sample_Set=Select(Sample_Set,Sample_probability,loop,I,N) %implement the Select part of tracking New_image=I; C_probability(1)=Sample_probability(1); %calculate the normalized cumulative probabilities for i=2:1:N C_probability(i)=Sample_probability(i)+C_probability(i-1); end for i=1:1:N Cumulative_probability(i)= C_probability(i)/C_probability(N); end %generate a uniformly distributed random number 0~1 Y=rand(1,N); %binary search &get new sample set for i=1:1:N j=min(find(Cumulative_probability>=Y(i))); New_Sample_Set(i)=Sample_Set(j); end %a=num2str(loop,'%05.5g'); %b=[a,'.jpg']; %imwrite(New_image,b);