去斑后，采用基于阈值的直方图规定化方法，以弥补对比度可能降低情况。
After speckle reducing, a histogram defined method based on the threshold is employed to compensate for possible contrast reduction.
本文对超声图像进行直方图规定化预处理，然后采用区域生长法对超声图像进行分割，取得了满意的效果。
This paper carried on histograms specification to pretreat ultrasonic images and use of region growing method to segment ultrasonic images, thus achieved satisfactory results.
在对比指纹图像的灰度直方图增强的技术的基础上，针对均衡化算法的不足和现有直方图规定化算法中映射规则计算量大的情形，提出一种改进的规定化算法。
In view of the shortcoming of direct histogram equalization and big work of mapping law's calculate in histogram specification, proposed one kind of improvement stipulation algorithm.
规定化的目的是将原图像的直方图转变为规定的直方图，以便突出一定灰度范围内的图像。
The aim of specification is to transform the histogram of an original image to a specified histogram capable of highlighting certain gray level ranges in the image.
规定化的目的是将原图像的直方图转变为规定的直方图，以便突出一定灰度范围内的图像。
The aim of specification is to transform the histogram of an original image to a specified histogram capable of highlighting certain gray level ranges in the image.
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