Photo shows that II model's lens is rather different from the former version.

从照片上看II型的镜头与原型又较大区别。

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Image principle of Panoramic annular Lens and methods of digital image processing of its annular image are discussed in the former part of the thesis, and processing results are also shown.

本论文首先叙述了全景环形成像原理以及环形像的数字图像处理方法，并且展示了相应的处理结果。

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The Louvre Lens museum only opened in the former mining town in December.

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