The relationships between images of near and far objects with camera lens and field of view and object distance and the image ratio are researched.

根据光学透镜成像原理，推导近端和远端物像与相机焦距、视角和物距的关系式及其像比，借此控制相机视图中远近两端物像的形状反差。

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The objective is not simply to improve image resolution or signal-to-noise ratio; rather, it is to improve outcomes for individual patients and society at large.

目标并不是简单的提高图形分辨率或是信噪比率；确切的说，是给每个患者和社会带来更大程度的帮助。

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This generally means it has an aspect ratio of 2:1 or larger, the image being at least twice as wide as its height.

这通常意味着它的宽高比为2：1或者更大，也就是图像的宽度至少是高度的两倍。

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Changing the ratio of that image, though, starts with the application form.

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The 53 series also features 16:9 aspect ratio screens to eliminate image stretching and provide a crisp, clear image.

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Speed is at the core of the LUMIX GH2, with technological advancements including a new 16.05-megapixel multi-aspect LIVE MOS sensor for higher image resolution and improved signal-to-noise ratio.

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