Contrast stretch 对比度扩展 一种线性的灰度变换。 Convolution kernel 卷积核 （1）用于数字图像卷积滤波的二维数字阵列；（2）与图像或信号卷积的函数。
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... contrast staining ==> 对比染色法 contrast stretch ==> 衬度伸展 contrast stretching ==> 对比度扩展 ...
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linear contrast stretch 线性反差加大 ; 线性对比度拉伸
Piecewise Linear Contrast Stretch 分段线性对比度拉伸
Gaussian Contrast Stretch 高斯对比度拉伸
Square Root Contrast Stretch 平方根对比度拉伸
Local Contrast Stretch 局部对比度扩展
contrast stretch transformation 对比度拉伸变换
Stretch Contrast 强调对比度
Spectral enhancement includes linear contrast stretch, non-linear contrast stretch, histogram equalization and histogram matching etc.
光谱增强包括线性反差拉伸、非线性反差拉伸、直方图均衡化和直方图匹配等方法。
The targets SNR(Signal Noise Ratio)and contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.
海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低，而且舰船目标像素较少。
The targets SNRand contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.
海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低，而且舰船目标像素较少。
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