The improved APEX method could be usefully applied to a wide variety of real blurred images and enhanced contrast and sharpened structural details, leading to noticeable improvement in visual quality.

实验表明，改进的APEX算法能够有效应用在多种真实模糊图像上，增强图像对比度和锐化图像细节，使图像的视觉效果得到明显改善。

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"For infection, in contrast to variceal bleeding, there has not been an improvement in survival over several decades," they write.

他们写到：对于感染来说，不同于静脉曲张破裂出血，数十年来存活率都没有改善。

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Experimental results obtained with this technique show substantial improvement in image contrast over that obtained via direct imaging.

用这种技术得到的实验结果显示这项技术在象的对比度方面比直接得到的象有很大提高。

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The half-dozen controls, by contrast, showed no improvement and in some cases may even have become a bit slower.

ECONOMIST: Vertigo

There was clearly a marked contrast between Wales and the Wallabies - the visitors' improvement was only matched in scale by Wales' deterioration.

BBC: Fans disappointed by Wales slump

In contrast to many rivals, Ms Winfrey has made self-improvement a part of her brand.

ECONOMIST: Dumbing up