Abstract: According to the characteristics of the industrial images and the requirements of the real-time analysis, a method is proposed to attain the histogram of image quickly. The method samples the images along its columns and can keep the wave crests and the troughs of the histograms. The consumed time, the correlation coefficients of the histograms and the correlation coefficients of the images of the sampling method, are compared with the ones of the general method. In the end, the limits and the applicable scope of the method are elaborated.

摘要： 根据一些工业图像的特点及实时分析的需要，提出了一种快速生成直方图的方法。该方法对图像数据进行列间采样，实现简单，速度很快，生成的直方图与物体真实的直方图相差无几，完全能够保证直方图的波峰、波谷信息。对两种方法的所需时间、生成的直方图的相关度以及采样前后图像的相关度作了对比，阐明了本方法的适用范围及局限。

关键词: 图像分析, 直方图, 实时分析, 相关系数, 采样

CLC Number: 

• TP391.4