RootSIFT是论文 Three things everyone should know to improve object retrieval - 2012所提出的 A Comparative Analysis of RootSIFT and SIFT Methods for Drowsy Features Extraction - 2020
当比较直方图时,使用欧氏距离通常比卡方距离或Hellinger核时的性能…
题目: 代码:
#include<iostream>
using namespace std;
const int N50010;
int p[N],d[N];
int n,m;int find(int x){if(p[x]!x){ int ufind(p[x]);d[x] d[p[x]];p[x]u;}return p[x];
}int main(){scanf("%d%d",&n,&m);fo…