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The research of detecting method on crackled Chinese date based on chrominance components

机译：基于色度成分的裂纹大枣检测方法的研究

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The crackle color of Chinese date in full ripe stage are similar to the normal ones and not be readily detected., so a new method is put forward based on chrominance component for detecting crackle. Obtain respective color space images of cracked Chinese date; Cut out two images in the normal area and five images in the cracked area of chrominance components; Calculate luminance average value and luminancerange and standard square deviation to screen preliminarily parameters. The result is R in RGB color space and C in CMY color space; Do experiments with 108 Chinese dates including 78 crackled dates and 30 normal dates. The result show that R is superior to C. Use the adaptive threshold value method to draw a complete crackle including noise, adopt the median filtering method to eliminate tiny noise, employ regional labeling remove big noise to catch the right crackle. The correct recognition rate of crackled dates is 89.7% and the false positive rate is 3.3%, which can basically meet the accuracy requirement of Chinese red dates grading system.
机译：完全成熟期大枣的crack裂颜色与正常相似，不易检测，因此提出了一种基于色度成分的crack裂检测新方法。分别获取开裂日期的色彩空间图像;在正常区域中切出两个图像，在色度分量的裂纹区域中切出五个图像;计算亮度平均值，亮度范围和标准平方偏差以预先筛选参数。结果是RGB颜色空间中的R和CMY颜色空间中的C;用108个中文日期进行实验，包括78个裂纹日期和30个正常日期。结果表明，R优于C。采用自适应阈值法绘制包括噪声在内的完整裂纹，采用中值滤波方法消除微小噪声，采用区域标记去除较大噪声来捕捉正确的裂纹。 crack枣的正确识别率为89.7％，假阳性率为3.3％，基本可以满足中国红枣分级系统的准确性要求。

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