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Collecting device and method of pork laser burning codes

A laser coding and pork technology, applied in the direction of marking meat/sausage, etc., can solve the problems of inconspicuousness and difficulty in image acquisition, and achieve the effects of high signal-to-noise ratio, strong anti-noise ability, and long effective reading time

Inactive Publication Date: 2014-08-27
BEIJING YIDAO BOSHI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The burned area does not look obvious, on the contrary, some blood and grease will seriously affect the visual effect of the burn, making it difficult to collect images

Method used

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  • Collecting device and method of pork laser burning codes
  • Collecting device and method of pork laser burning codes
  • Collecting device and method of pork laser burning codes

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Embodiment Construction

[0027] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples, so that the realization process of how to use technical means to solve technical problems and achieve technical effects in the present invention can be fully understood and implemented accordingly.

[0028] The first step: the design of the light source.

[0029] Selection of light source: The light source can be a UV laser or a UV LED. LEDs whose main wavelength peaks are distributed between 390-400nm are preferred and relatively economical. In order to improve the uniformity of illumination, diffused LEDs can be selected; concentrating LEDs can also be used, but if not handled properly, the uniformity of illumination will be reduced.

[0030] For the uniformity of illumination, the light source further recommends to use multiple LEDs to illuminate together, and place the LEDs around the object to be photographed, such as figure 2 .

[0031] ...

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Abstract

The invention discloses an image collecting device and a collecting method aiming at pork skin laser burning codes. The characteristic that a laser burning part on the pork has weak fluorescence reaction on light with specific wavelengths is utilized, through shielding visible light and installing an ultraviolet light source with the specific wavelengths on collecting equipment, the laser burning part on the pork can give out fluorescence, and the fluorescence is collected by an image sensor, so the image collection of the laser burning codes is realized. The image collecting device has the advantages that very strong noise resistance performance is achieved, and the obtaining of machine-readable code information in images can be realized through further image processing and analysis.

Description

technical field [0001] The invention belongs to the technical field of image acquisition, and in particular relates to an image acquisition device and acquisition method for laser burn marking on pork. Background technique [0002] The blue quarantine stamp on pork will be replaced by a laser "ID card" in the future. The laser ID card on the pork is a kind of information generated by laser burning. The laser is used to burn the code on the skin of the pork, presenting a three-dimensional image with a concave-convex feeling. Pig laser burning quarantine marks can be used to improve the safety traceability of animal products and ensure the quality and safety of pork products. [0003] Laser burning of live pigs does not contain any additives, and will not pollute the pork burned by the laser and the surrounding environment, but also poses challenges to the reading of information. With various light sources and general shooting methods, it is difficult to achieve the standard...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A22C17/10
Inventor 郭健朱军民
Owner BEIJING YIDAO BOSHI TECH
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