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首页> 外文会议>IFIP(International Federation for Information Processing) TC 12 International Conference on Computer and Computing Technologies in Agriculture(CCTA 2007); 20070818-20; Wuyishan(CN) >LEAF AREA CALCULATING BASED ON DIGITAL IMAGE
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LEAF AREA CALCULATING BASED ON DIGITAL IMAGE

机译：基于数字图像的叶面积计算

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摘要

A new and simple method for plant leaf area measurement using image processing technique was provided. Sixty leaves with different shape and size of six plant species were selected for study. The software using for image processing and leaf area calculation was matlab6.0. Experiments were performed to test the performance of the estimating system by comparing the estimated leaf area with the grid square leaf area. The range of relative errors of estimation were 4.42-7.81%, 3.56-8.01%, 4.12-6.97%, 3.89-7.28%, 4.23-8.12% and 3.56-7.03% for Eucommia Bark, Paulownia, Maidenhair tree, Bamboo, Cycad, Weed respectively. The results illuminate the more close to rectangle area the more accurate of the estimating leaf area. So it can be concluded that the method developed in this study obtained the sufficient accuracy for the possible non-destructive leaf area measurement.
机译：提供了一种使用图像处理技术进行植物叶面积测量的新方法。选择六十种具有不同形状和大小的叶片的六种植物进行研究。用于图像处理和叶面积计算的软件为matlab6.0。通过比较估计的叶子面积和方格正方形叶子面积，进行了实验以测试估计系统的性能。杜仲树皮，泡桐，梅根树，竹，苏铁科植物的估计相对误差范围分别为4.42-7.81％，3.56-8.01％，4.12-6.97％，3.89-7.28％，4.23-8.12％和3.56-7.03％。分别除草。结果表明，越接近矩形区域，估计叶面积越准确。因此可以得出结论，本研究开发的方法对于可能的无损叶片面积测量获得了足够的精度。

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