基于颜色特征的水稻秧苗图像分割
Journal of Chinese Agricultural Mechanization(2013)
Abstract
本文针对水稻稻田图像中秧苗和背景分割问题,采用基于最大类间方差法(OTSU法)的分割方法 ,成功地把水稻秧苗像素和背景像素分割开。首先用CCD相机获取水稻插秧机插秧作业后的水稻稻田图像,选择超绿颜色因子将水稻秧苗RGB彩色图像转化为灰度图像,使用OTSU法计算阈值,成功地将灰度图像转变为二值图像。又采用该方法分割了20幅水稻秧苗图像,结果表明,超绿颜色因子可以对水稻秧苗图像有效分割。
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Key words
OTSU,color space,rice image,image segmentation
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