大数据计算:如何仅用1.5KB内存为十亿对象计数 Big Data Counting: How To Count A Billion Distinct Objects Using Only 1.5K This is a guest post by Matt Abrams (@abramsm), from Clearspring, discussing how they are able to accurately estimate the cardinality of sets with bi…
#include <opencv2/opencv.hpp> #include <iostream> #include <math.h> using namespace cv; using namespace std; int main(int argc, char** argv) { Mat src = imread("test.jpg"); if (src.empty()) { printf("could not load image..…