Embedded device for detecting micro lens based on mobile phone camera

Abstract

The invention provides an embedded device for detecting a micro lens based on a mobile phone camera, the size of the device can be effectively reduced, the cost is reduced, a micro target around can be detected anytime and anywhere, and people can better protect their own privacy. According to the device, the diffraction characteristic is adopted to detect the micro lens, the device is integratedin the mobile phone, some original imaging light paths in the mobile phone are used as an optical receiving system, a laser emitting system is added, the mobile phone camera is used for replacing an independently-placed area array detector, and the mobile phone camera is used as the optical receiving system, so that the cost is effectively saved; the mobile phone and the micro lens detection device are integrated, the mobile phone is small, exquisite and universal, the size of the detection device is effectively reduced by using the mobile phone camera to detect the micro lens, the product popularization difficulty is reduced, the use is more convenient, and the embedded device can enter the life more easily.

Description

technical field [0001] The invention belongs to the technical field of optical imaging and laser detection, and in particular relates to an embedded device for detecting tiny lenses based on a mobile phone camera. Background technique [0002] The existing optical methods to detect tiny lenses mainly include the "cat's eye effect" and the diffraction feature detection method derived from the "cat's eye effect". Some researchers also explore other methods, such as chromatic aberration method, structural method, and spatial frequency laser modulation method. However, compared with the first two methods, these methods have more complex structures and higher requirements for the fineness of components, so they are larger in size and higher in cost. At present, the micro-lens detection device based on the "cat's eye effect" and the diffraction feature detection method is also too bulky and inconvenient to carry. It cannot detect whether people are being monitored by a micro-camer...

AI Technical Summary

Problems solved by technology

[0002] The existing optical methods to detect tiny lenses mainly include the "cat's eye effect" and the diffraction feature detection method derived from the "cat's eye effect". Some researchers also explore other methods, such as chromatic aberration method, structural method, and spatial frequency laser modulation method. However, compared with the first two methods, these methods have more complex structures and higher requirements

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