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Image detection device

An image detection device and a reference technology, applied in the field of image processing, can solve the problems of unstable image data acquisition, large image data processing errors, excessive temperature drift, and excessive time drift, and can eliminate external light and external light-absorbing and reflective materials. effect, true reproduction, guaranteed brightness effect

Active Publication Date: 2016-09-21
JULONG +2
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] An embodiment of the present invention provides an image detection device, which can solve the problems of unstable image data collection, poor brightness stability, and large image data processing errors caused by excessive temperature drift and time drift in the image detection device in the prior art

Method used

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Embodiment Construction

[0033] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and understandable, the specific implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the above-mentioned and other purposes, features and advantages of the present invention will be clearer. Like reference numerals designate like parts throughout the drawings. The drawings have not been drawn to scale, emphasis instead being placed upon illustrating the gist of the invention.

[0034] Such as figure 1 , 2 As shown, the image detection device of the present invention includes: a reference part J, used to obtain a brightness reference value; a scanning part S, used to obtain image information of an acquisition object; between the scanning part S for optically isolating the reference part J and the scanning part S.

[0035] It should be noted that the material selection and structu...

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Abstract

The invention discloses an image detection device comprising a reference part, a scanning part, and a light separation panel. The reference part is used for obtaining a brightness reference value; the scanning part is used for obtaining image information of a collected object; and the light separation panel arranged between the reference part and the scanning part is used for carrying out light separation on the reference part and the scanning part. With the device, stable image data collection can be realized; and influences of a temperature drift and a time drift can be reduced.

Description

technical field [0001] The invention belongs to the field of image processing, in particular to an image detection device. Background technique [0002] Image acquisition and image processing play a very important role in line-scan image sensors and line-scan image reading devices, especially in the field of line-scan image sensors and line-scan image reading devices used in the field of financial instruments. In the prior art, an image detection device is often used to collect images of objects (commonly referred to as target paper) such as coins and bills, and analyze the collected images to determine whether the target paper meets specific requirements, such as identification of bills. of authenticity. In the above process, the linear array image sensor and the linear array image reading device are the key to realize stable image data acquisition, ensure accurate and stable brightness, truly reproduce image data information, and then realize correct image data processing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07D7/20
CPCG07D7/20
Inventor 柳永诠柳伟生吴庆洪洪振胜孟凡钢张玉峰吴文良聂连朋金迪戈兰
Owner JULONG
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