用普通数码相机获取数字影像具有一定的优势，但由于普通数码相机是一种非量测相机，其数据处理需要特殊方法。

Ordinary digital camera has its own advantages in obtaining digital images, but its data processing needs a special method because the digital camera belongs to non metric camera.

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随着CT、MR等数字影像设备在医疗领域的大规模应用，医务人员可以更方便快捷地获取病人信息、医疗影像信息。

With the application of digital medical equipment such as CT, MR and so on, we can get many kinds of physical information of the patients more conveniently.

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