According to the characteristics of nuclear medical image, a contrast stretching algorithm of smoothed image is provided.
根据核医学图像的特点，给出了核医学图像的平滑对比度拉伸处理算法。
In this algorithm, the morphological operations are non-dual and the contrast stretching operations are addition instead of multiplication.
新算法主要特点是形态运算采用非对偶运算，对比度拉伸运算采用加法代替乘法运算。
By contrast, vertical brand stretching involves a change in product formulae, packaging and pricing to reach a wider range of customers.
相反，纵向品牌延伸包括改变产品的配方、装和定价，以接近更多顾客。
For the feature of the liver B-ultrasound image, we adopt the Gaussian low-pass filter and contrast-stretching transformation methods.
针对肝脏B超声图像的特点，本文在对图像进行预处理时采用了高斯低通滤波与灰度拉伸相结合的技术。
For the feature of the liver B-ultrasound image, we adopt the Gaussian low-pass filter and contrast-stretching transformation methods.
针对肝脏B超声图像的特点，本文在对图像进行预处理时采用了高斯低通滤波与灰度拉伸相结合的技术。
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