摘要
针对传统叶面积测量方法存在需手工操作、效率低、叶面积测量仪价格昂贵、不利于广泛应用等问题,本文提出一种基于植物图像的活体叶片面积测量方法。首先利用双边滤波、拉普拉斯算子和顶帽变换对采集图像进行预处理,再通过分水岭算法对标记过的图像进行分割得到目标图像,最后由参照物法得出叶片实际面积。与传统的方格法进行比较,实验结果表明,该方法速度快、精度高,具有较高应用价值。
In this paper,a living leaf area measurement method based on plant image is proposed to solve the problems of traditional leaf area measurement methods,such as manual operation,lowefficiency,expensive price of leaf area measurement instrument and disadvantages in wide application. Firstly,the acquired image is preprocessed by bilateral filtering,Laplace operator and Top-cap transformation. Then,the Watershed algorithm is used to segment the marked image to obtain the target image.Finally,the actual area of the blade is obtained by the reference method. The results showthat compared with the traditional square method,this method is faster,more accurate and has higher application value.
引文
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