Method and system for obtaining full focal distance image without optical aberration
A technology of image capture and focal length, applied in image communication, components of TV systems, photography, etc., can solve problems such as out-of-focus image blurring, and achieve the effect of improving imaging
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[0058] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0059] 1. The present invention realizes the principle of no aberration at full focal length
[0060] Any object distance can be imaged in its conjugate plane, which is characterized by perfect focus. There is a one-to-one correspondence between the image of the conjugate plane and the image of its projection plane (photosensitive plane). Theoretically, this correspondence is a reciprocal causal relationship, so it can be calculated based on the blurred image data of the photosensitive plane. The clear virtual image of the conjugate plane can further remap the direction of the projection line of the virtual focus and clear image data of the conjugate plane to the photosensitive plane in theory, and deduce the Focus sharp mapped images.
[0061] From a mathematical point of view, the optical image capture system is a linear space-vary...
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