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Super-resolution imaging camera and imaging method thereof

A super-resolution, camera technology, applied in image communication, TV, color TV components, etc., can solve the problems of luminous flux reduction, image quality deterioration, etc., to eliminate the loss of details, low-frequency and high-frequency details without loss, high precision effect

Active Publication Date: 2019-07-05
上海德运光电技术有限公司
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Problems solved by technology

However, as the pixel size decreases, so does the light flux, which creates shot noise that seriously degrades image quality

Method used

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  • Super-resolution imaging camera and imaging method thereof

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Embodiment

[0026] This application proposes a super-resolution imaging camera that can be applied to airport FOD detection. The camera uses a micro-movement scanning device inserted in the rear optical path to realize overlapping sampling of airport foreign object targets through area array scanning. The super-resolution restoration algorithm is used to realize the ultra-high-resolution imaging detection and recognition of foreign objects in the airport. According to the requirements, the resolution can be increased several times to dozens of times.

[0027] Such as figure 1 As shown, a super-resolution imaging camera includes: a lens 1, in this embodiment, preferably a fixed-focus lens, used for focusing and imaging a distant target; a power supply module 7, used to supply power to components that require electricity; A moving scanning mirror 2, connected to the lens 1, includes a reflector and a driving mechanism connected to the reflecting mirror, and is used for overlapping sampling ...

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Abstract

The invention relates to a super-resolution imaging camera and an imaging method thereof, and the camera comprises a lens and a power supply module, and also comprises a micro scanning mirror which isconnected with the lens and is used for carrying out overlapping sampling on a ground object target; the micro-motion scanning drive control circuit is connected with the micro-motion scanning mirrorand the power supply module; the area array detector is connected with the micro scanning mirror; the signal processing module is connected with the area array detector and the power supply module; and the data transmission interface is connected with the signal processing module. Compared with the prior art, the method has the advantages that the cost is low;, according to the invention, the micro scanning mirror is used for swing scanning imaging; overlapping sampling of the target is realized by the camera; and meanwhile, the high-resolution image obtained by fusing the sequence images atdifferent positions for multiple times is an imaging image of an actual camera, the obtained image MTF is not reduced, and the loss of details of the super-resolution image obtained by a conventionalsuper-resolution algorithm is eliminated, so that the image is clearer, and low-frequency and high-frequency details are not lost.

Description

technical field [0001] The invention relates to the technical field of image acquisition and image processing, in particular to a super-resolution imaging camera and an imaging method thereof. Background technique [0002] If high-resolution images can be provided, the performance of airport FOD recognition will be greatly improved. Since the 1970s, charge-coupled devices (CCDs) and CMOS image sensors have been widely used to acquire digital images. Although these sensors are suitable for most imaging applications, the current resolution level and consumer price cannot meet the needs of the future. For example, in airport foreign object recognition, it is very important to find a way to enhance the current resolution level. necessary. The most straightforward solution to increase spatial resolution is to reduce pixel size (eg, increase the number of pixels per unit area) through sensor fabrication techniques. However, as the pixel size decreases, the luminous flux also de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232H04N5/225
CPCH04N23/50H04N23/54H04N23/55H04N23/951
Inventor 郁雷
Owner 上海德运光电技术有限公司
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