光谱图像技术结合SAM算法识别自然场景下的成熟柑橘

蔡健荣; 王建黑; 陈全胜; 王锋; 吕强

光子学报, 2009, 38 (12): 3171, 网络出版: 2010-05-10

光谱图像技术结合SAM算法识别自然场景下的成熟柑橘

Recognition of Mature Citrus in Natural Scene Using Spectral Imaging and Spectral Angle Mapper

论文大纲

蔡健荣王建黑 ^*陈全胜王锋吕强

作者单位

江苏大学食品与生物工程学院,江苏镇江 212013

光谱图像滤波片波谱角分类采摘机器人识别柑橘 Spectral imaging Filter Spectral angle mapper (SAM) Harvesting robot Recognition Citrus

摘要

为了实现采摘机器人在复杂的自然场景下正确识别树上果实，来完成果实采摘，研究了不同环境下柑橘的识别方法.针对复杂的自然环境的影响及传统方法的局限性，在可见光和近红外区域择选5个特征波长滤波片，采集得到5幅滤波后的图像，并利用光谱角分类算法完成柑橘识别.试验结果表明，在光照角度、光照强度等不同条件下，柑橘的识别准确度达到96%.研究表明，滤波片光谱图像技术结合光谱角分类算法可以有效地识别自然场景下的成熟柑橘.

Abstract

In order to guide the robots to harvest citrus fruit in complex natural scenes,a method based on image processing is developed to identify citrus fruit in the tree canopy.Due to the complexity of natural environment and the deficiency of identification of citrus fruit by the traditional methods,five narrow band filters in the visible and near-infrared region are selected to capture five images.Spectral angle mapper (SAM) algorithm is attempted to process these images.Experiment results show that citrus can be recognized with an accuracy of 96% in different aspect of illumination angle and intensity.This work demonstrates that spectral imaging technique based on filters combining with SAM algorithm can be used effectively to identify citrus fruit in complex natural scenes.

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蔡健荣, 王建黑, 陈全胜, 王锋, 吕强. 光谱图像技术结合SAM算法识别自然场景下的成熟柑橘[J]. 光子学报, 2009, 38(12): 3171. CAI Jian-rong, WANG Jian-hei, CHEN Quan-sheng, WANG Feng, LV Qiang. Recognition of Mature Citrus in Natural Scene Using Spectral Imaging and Spectral Angle Mapper[J]. ACTA PHOTONICA SINICA, 2009, 38(12): 3171.

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