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grey threshold
相关语句
  灰度阈值
     As the binaryzation processing is made,an optimum grey threshold must be determined according to the grey value of the image.
     采用图像处理与分析方法进行微小零件尺寸及形位误差检测时 ,所获得的微小零件灰度图像的噪声较大 ,对其进行二值化处理时需要根据图像的灰度值确定一最佳灰度阈值
短句来源
     If the fixed grey threshold is a little higher or lower,the accuracy of image analysis will be affected seriously.
     如若确定的灰度阈值偏高或偏低将对图像分析的精度产生严重的影响。
短句来源
     Based on the quantitative stereology theory,the quantitative characteristics of particle group such as particle size distribution,roundness are determined by using image analysis. The experiment parameters of quantitative stereology theory such as minimum samples,grey threshold are also studied.
     应用图像分析仪和定量体视学原理,对颗粒群特征参数进行了定量分析,并对图像分析的实验参数:最小样本数、图像优化及灰度阈值等进行了讨论研究。
短句来源
  “grey threshold”译为未确定词的双语例句
     An algorithm for the optimal grey threshold based on minimum error thresholding criterion in pattern recognition decision theory is given.
     利用基于模式识别决策理论的最小误判准则,给出了求解最佳分割灰度门限的方法,并以磷化镓衬底LED管芯芯片为算例。
短句来源
     minimus density was analyzed to establish an evaluation model. Results Eight indices were selected based on a grey threshold 0^70: Dry season average temperature>dry season temperature_min>wet season temperature_min>wet season NDVI>wet season average temperature>the ratio of paddy field in total arable land>dry season temperature_max>wet season temperature_max.
     结果 以0·70灰色阈值筛选微小按蚊密度评价指标并排列灰色关联序:干季月平均温度>干季最低温度>湿季最低温度>湿季归一化植被指数(NDVI)>湿季月平均温度>水田面积占耕地面积的比例>干季月最高温度>湿季月最高温度。
短句来源
  相似匹配句对
     grey resampling;
     影象灰度的重采样;
短句来源
     On grey function
     灰色函数
短句来源
     (5)Choose suitable threshold value and change the grey level image into BW image;
     ⑤选取合适的阈值将灰度图像转换为黑白二值图像;
短句来源
     Calculation of Critical Point Threshold of Pollutant Emission Based on Modified Grey Clustering Model
     基于修正灰色聚类模型计算污染物排放阈值
短句来源
     Improved (t,n) Threshold Signature
     一种改进的(t,n)门限签名方案
短句来源
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  grey threshold
Better results have been obtained with the grey threshold values close to 136, determined by the minimal entropy method.
      


As the binaryzation processing is made,an optimum grey threshold must be determined according to the grey value of the image.If the fixed grey threshold is a little higher or lower,the accuracy of image analysis will be affected seriously.So this paper puts forward two methods to define the optimum grey threshold of the grey image binaryzation “two peak” method and “s/n statistics” method.The practice...

As the binaryzation processing is made,an optimum grey threshold must be determined according to the grey value of the image.If the fixed grey threshold is a little higher or lower,the accuracy of image analysis will be affected seriously.So this paper puts forward two methods to define the optimum grey threshold of the grey image binaryzation “two peak” method and “s/n statistics” method.The practice and limitation of these methods for measuring the mini part size or its form and position deviation have been demonstrated.

采用图像处理与分析方法进行微小零件尺寸及形位误差检测时 ,所获得的微小零件灰度图像的噪声较大 ,对其进行二值化处理时需要根据图像的灰度值确定一最佳灰度阈值。如若确定的灰度阈值偏高或偏低将对图像分析的精度产生严重的影响。为此本文提出确定灰度图像二值化最佳灰度阈值的两种方法 ,即“双峰法”和“信噪比统计法” ,并论证了这两种方法在微小零件尺寸及形位误差的检测中的实用性和局限性

Based on the quantitative stereology theory,the quantitative characteristics of particle group such as particle size distribution,roundness are determined by using image analysis.The experiment parameters of quantitative stereology theory such as minimum samples,grey threshold are also studied.The experiment results show that the characteristics of 3 Dmicrostructure can be precisely obtained by using the theory of quantitative stereology and the method of image analysis,and the results have higher reliability....

Based on the quantitative stereology theory,the quantitative characteristics of particle group such as particle size distribution,roundness are determined by using image analysis.The experiment parameters of quantitative stereology theory such as minimum samples,grey threshold are also studied.The experiment results show that the characteristics of 3 Dmicrostructure can be precisely obtained by using the theory of quantitative stereology and the method of image analysis,and the results have higher reliability.

应用图像分析仪和定量体视学原理,对颗粒群特征参数进行了定量分析,并对图像分析的实验参数:最小样本数、图像优化及灰度阈值等进行了讨论研究。实验结果表明,定量体视学图像分析方法可同时获得煤矿渣细粉试样的级配和颗粒形状因子(圆度)等一系列颗粒群特征参数。

An algorithm for the optimal grey threshold based on minimum error thresholding criterion in pattern recognition decision theory is given. By UMA measure, minimum error criterion is quantitatively analysed and compared with the bi-modal histogram method and the maximum class separation distance criterion in segmentation quality. Experiments on the chips that are lined with gallium phosphate show that, minimum error thresholding criterion is obviously superior to the other two in the segment quality and...

An algorithm for the optimal grey threshold based on minimum error thresholding criterion in pattern recognition decision theory is given. By UMA measure, minimum error criterion is quantitatively analysed and compared with the bi-modal histogram method and the maximum class separation distance criterion in segmentation quality. Experiments on the chips that are lined with gallium phosphate show that, minimum error thresholding criterion is obviously superior to the other two in the segment quality and the rosbustness.

利用基于模式识别决策理论的最小误判准则,给出了求解最佳分割灰度门限的方法,并以磷化镓衬底LED管芯芯片为算例。利用UMA测度对最小误判准则、双峰准则、最大类间距准则等三种算法在分割质量上的差异进行了定量地分析和比较。实验结果表明,就此类图像而言,最小误判准则在计数的准确性和对原始图像质量的鲁棒性方面均优于其它两种方法。

 
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