首先是利用图像的颜色特征增加绿色植物与土壤的对比度，把植物从复杂背景环境下分离出来，转换真彩色图像为灰度图像。

First, applying color feature increased the. Contrast between green plants and soil, separated the plants from complex background and changed real color image to gray-level image.

youdao

首先是利用图像的颜色特征增加绿色植物与土壤的对比度，把植物从复杂背景环境下分离出来，转换真彩色图像为灰度图像。

First, applying color feature increased the. Contrast between green plants and soil, separated the plants from complex background and changed real color image to gray-level image.

youdao