运用层次处理技术调整图像的密度和对比度，运用锐化处理技术实施影像细节的增强。
The density and contrast of images were adjusted by the gradation processing, the tiny construction of images was enhanced by the edge enhancement.
运用计算机图像处理技术，对绉织物图像进行增强、平滑滤波及锐化滤波处理。
Computer's image processing technology is applied to the treatment of intensive, smooth or sharp filtering waves for crepe fabric images.
此外还开发了增强型的梯度锐化算子，它既突出了边缘信息，又保留了低频信息，便于人和机器的一些后续处理。
The enhanced gradient operator was designed to stand out the edge of image and retain the low frequency information.
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