qt程序，结合opencv2.3/2.0，实现人眼定位计算人眼平均高度-the qt procedures, combine opencv2.3/2.0, eye location calculation of the human eye the average height count.

Qt、Opencv中直方图示例程序，可以实现灰度图像、彩色图像的直方图计算、及绘制。-Qt, Opencv histogram sample program, you can achieve gray-scale image, color image histogram calculated and plotted.

Qt、Opencv环境下，演示连续范数的计算，绘制和显示。可以连续演示范数L1,L2,L3,L4.....L无穷，对于教学演示非常有用-Under Qt, Opencv environment, demonstrate continuous norm calculate the number of rendering and display. Can continue to play an norm L1, L2, L3, L4 ..... L infinity, is very useful