是小学期课程设计的题目，在matlab环境中自动识别连通区域的大小,仿真效率很高的，是学习PCA特征提取的很好的学习资料，有CDF三角函数曲线/三维曲线图，包括主成分分析、因子分析、贝叶斯分析。- Is the topic of the elementary school stage curriculum design, Automatic identification in the matlab environment the size of the connected area, High simulation efficiency, Is a good learning materials to learn PCA feature extraction, There CDF trigonometric curve/3D graphs, Including principal component analysis, factor analysis, Bayesian analysis.