模式识别技术-螺丝特征提取以及分类问题-特征分类(问题一)

上传者: 47979206 | 上传时间: 2022-12-02 21:59:03 | 文件大小: 276KB | 文件类型: RAR
(1)冬1显示了4种装配零件的彩色冬像:螺母(nuts)、螺钉(screws)、支架(brackets) 和垫圈(washers)。请你设计一组特征(不超过4种),能很好地把4种零件分开。 分析、讨论你的特征和背后的原理。 (2) 编写代码提取每种模式的上述4种特征,绘制每对特征的二维散点图(如.fl vs.f2,f3 vs.f4,等),讨论你的结果。 (3)计算原始空间中每一对样本之间的欧式距离。首先,你得把所有图像都转换 为同样大小,比如 32x32 彩色像素(提示:在 MATLAB 中,可使用函数 imresize)。 把距离组成30x30 的矩阵进行显示(提示:在 MATLAB中,可使用承数 imagesc)。 在一维特征空间中,重复上述过程。比较两种距离矩阵,在原始图像空间中和特征 =====================================================================================================================================================

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