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.
影像增强器内电极和管壳对X射线的背向散射将降低增强器输出图像的空间分辨率和对比度。
The X-ray backscattering from the inner electrodes and the tube wall of an X-ray image intensifier (XRII) will degrade the spatial resolution and the contrast of an output image.
照射野影像对比度低、图像质量差使常规照射野验证易产生误差。
The contrast and quality of portal image is so low that it is difficult to avoid errors in routine verification.
针对MRI影像经常出现的正常组织和病态组织之间对比度不清的问题，文中采取基于小波变换的非线性的图像增强算法。
Aimed at the unclear contrast problem between normal organization and morbid organization of the MRI, we adapted an enhanced algorithm of image, which based on wavelet transformation and nonlinear.
针对MRI影像经常出现的正常组织和病态组织之间对比度不清的问题，文中采取基于小波变换的非线性的图像增强算法。
Aimed at the unclear contrast problem between normal organization and morbid organization of the MRI, we adapted an enhanced algorithm of image, which based on wavelet transformation and nonlinear.
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