[1]刘连忠,李孟杰,宁井铭.基于改进SLIC的光照干扰下茶树冠层图像分割[J].江苏农业学报,2020,(04):1022-1027.[doi:doi:10.3969/j.issn.1000-4440.2020.04.030]
 LIU Lian-zhong,LI Meng-jie,NING Jing-ming.Segmentation of tea plant canopy image under light interference based on improved SLIC[J].,2020,(04):1022-1027.[doi:doi:10.3969/j.issn.1000-4440.2020.04.030]
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基于改进SLIC的光照干扰下茶树冠层图像分割()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2020年04期
页码:
1022-1027
栏目:
园艺
出版日期:
2020-08-31

文章信息/Info

Title:
Segmentation of tea plant canopy image under light interference based on improved SLIC
作者:
刘连忠1李孟杰1宁井铭2
(1.安徽农业大学信息与计算机学院,安徽合肥230036;2.茶树生物学与资源利用国家重点实验室,安徽合肥230036)
Author(s):
LIU Lian-zhong1LI Meng-jie1NING Jing-ming2
(1.School of Information and Computer, Anhui Agricultural University, Hefei 230036, China;2.State Key Laboratory of Tea Plant Biology and Resource Utilization, Hefei 230036, China)
关键词:
农作物图像图像分割超像素图像分类特征参数
Keywords:
crop imagesimage segmentationsuperpixelsimage classificationfeature parameter
分类号:
S126
DOI:
doi:10.3969/j.issn.1000-4440.2020.04.030
文献标志码:
A
摘要:
针对自然环境下获取农作物图像时极易受到光照干扰的问题,提出一种改进的简单线性迭代聚类(SLIC)方法,以[L*,R,G-S,x,y]作为聚类向量对茶树冠层图像进行超像素分割,提取超像素块的R、G、B、H、S、V、L*、a*、b*、熵、能量、对比度、逆差矩等13个图像特征参数;将超像素块分为正常区域、反光区域、背景3类,分别选择线性、多项式和RBF核函数的SVM进行分类,得到仅包含正常区域的茶树冠层图像,进而提取正常区域的图像特征参数。试验结果表明,在光照变化情况下,改进的SLIC与RBF-SVM结合得到的图像特征最为稳定。
Abstract:
In order to solve the problem that crop images in natural environment were easily affected by the change of light, the improved simple linear iterative clustering(SLIC) method was proposed. Using [L*,R,G-S,x,y] as clustering vector, the superpixel segmentation of the tea plant canopy image was carried out. Then 13 image feature parameters such as R, G, B, H, S, V, L*, a*, b*, entropy, energy, contrast and inverse difference moment of the super-pixel block were extracted. The super-pixel blocks were divided into three categories: normal area, reflective area and background, and classified by support vector machine(SVM) with linear, polynomial and RBF kernel functions separately. Finally, the canopy image of tea plant containing only the normal area was obtained, and the image feature parameters of the normal area were extracted. The results showed that the image feature parameters obtained by the improved SLIC and RBF-SVM were the most stable under the condition of light interference.

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备注/Memo

备注/Memo:
收稿日期:2019-12-23基金项目:安徽省高校自然科学研究重点项目(KJ2017A151);茶树生物学与资源利用国家重点实验室开放基金项目(SKLTOF20160202);安徽高校自然科学研究重大项目(KJ2019ZD20);国家重点研发计划项目(2016YFD0200900)作者简介:刘连忠(1968-),男,安徽蚌埠人,博士,讲师,主要从事机器视觉、农业图像处理、智能农业研究。(E-mail)lzliu@ahau.edu.cn
更新日期/Last Update: 2020-09-08