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Even as China's economy slows from efforts to fight a bubble in high-end housing, waiting in the wings with potential to revive growth is a different housing market: the low end.Some 50 million of China's 230 million urban households live in substandard quarters often lacking their own toile 阅读全文
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At the Indian Institute of Technology in Delhi -- one of the best engineering academies in the country -- we met Shriram, a 21-year-old man who ranked 19 out of 485,000 on the school's very demanding entrance exam. We call him Mr. Number 19.Shriram can tell you the date and time when he found ou 阅读全文
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A July 2012 Gallup poll puts the percentage of American adults who say they consider themselves vegetarian at 5%, and those who consider themselves vegans─who eat no meat or dairy products─at 2%.Do they know something everyone else doesn't?Far more Americans in a 2006 Gallup poll said they eat r 阅读全文
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Although science insists that crying is natural, culture still sends messages that strong men don’t cry.Many parents raise their sons to cry privately, if at all. It is ingrained in many men that masculine identity means holding back the tears except during times of extreme grief. Although women hav 阅读全文
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在C++中，读入一幅图像使用语句如下，读入的图像像素为0-255之间的某一整数：Mat disp_image = imread(path,1);其中图像每个像素的RGB值是用3元素向量来存储（B,G,R）的，某一像素点的RGB值读取方式如下：Vec3b& mp = disp_image.at<Vec3b>(j, i); //C++用向量存储像素值double B = mp.val[0]; double G = mp.val[1];double R = mp.val[2];在matlab中，读入一幅图像并转换为double型使用语句如下，读入的图像像素在0-1之... 阅读全文
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1.最小二乘拟合最小二乘拟合是一种数学上的近似和优化，利用已知的数据得出一条直线或者曲线，使之在坐标系上与已知数据之间的距离的平方和最小。2.RANSAC算法参见王荣先老师的博文 http://www.cnblogs.com/xrwang/archive/2011/03/09/ransac-1.html3，直线拟合建立模型时利用直线的一般方程AX+BY+C=0，随机选取两点构建直线模型，计算每个点到此直线的TLS（Total Least Square），TLS小于一定阈值时的点为符合模型的点，点数最多时的模型即为最佳直线模型。再根据此时的直线参数画出最终拟合直线。4.椭圆拟合建立模型时利用椭圆 阅读全文
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College student Liu Qikun recently went into debt to buy a $280 cellphone─and that is potentially good news for the unbalanced Chinese economy.Ms. Liu, 22 years old, took out a loan in an electronics store from a kiosk run by Home Credit BV, a consumer-lending unit of Amsterdam-based investment comp 阅读全文
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On Weibo, China’s Twitter, this week, the second most popular topic—right behind “Tourist stabbed for returning ticket!” and above breaking news of a pop star’s divorce—was “Are you happy?” Over three million bloggers were discussing this question at once. It had been posed by a popular state-sancti 阅读全文
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openCv学习笔记（二）—cv::Mat学习由于在写上一篇图像的数据结构时，发现自己只知道CvMat,竟然还有Mat数据结构，真是无知了，看了这么多程序，貌似没有看到这个结构。有可能那些程序都是些老版本的例子，这是在2.0以后加上的，所以我也得紧跟呀！以下是自己的学习心得。。。。一、Mat简介 在2001年刚刚出现的时候，OpenCV基于 C 语言接口而建。为了在内存（memory）中存放图像，当时采用名为 IplImage 的C语言结构体，时至今日这仍出现在大多数的旧版教程和教学材料。但这种方法必须接受C语言所有的不足，这其中最大的不足要数手动内存管理，其依据是用户要为开辟和销毁内存负责。 阅读全文
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Selling to China's diverse 1.34 billion has long been a challenge for many companies, but the difficulties are mounting as China's population of consumers divides even further along class lines.mounting：逐渐增加，爬上，装备 According to new research from consultancy McKinsey & Co., a dichotomy is 阅读全文