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Pork colour grading instrument

A technology of color grading and pork, applied in color/spectral characteristic measurement, instruments, scientific instruments, etc., can solve the problems of being easily influenced by human subjective will and lack of objectivity of grading results

Inactive Publication Date: 2005-05-25
NANJING AGRICULTURAL UNIVERSITY
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Problems solved by technology

[0003] Technical Problems The present invention aims at the current lack of pork color computer grading system in our country, and establishes a set of pork color grading instrument to overcome the traditional pork color grading mainly relying on human visual organs, which is easily affected by human subjective will, and the grading results are lacking. objectivity flaw

Method used

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Embodiment Construction

[0017] The invention is a set of pork color grading instrument, which is composed of image acquisition equipment and pork color computer grading software.

[0018] (1) Image acquisition equipment

[0019] a. The image acquisition room ④ is hemispherical with a diameter of 600mm, and the inner wall is painted white. Four 50W halogen lamps are installed at the bottom of the image acquisition room ④ at equal intervals. The polished black rubber plate, the sample ③ is placed on the rubber plate, and a circular hole with a diameter of 45 mm is opened on the top of the image acquisition chamber ④.

[0020] b. Select CANNON-PowerShotA70 digital camera ⑤, and the lens passes through the top round hole in the image collection room ④.

[0021] c. The digital camera ⑤ is connected to the computer ⑦ with the USB2.0 data cable ⑥ attached to the digital camera ⑤.

[0022] (2) Pork color computer grading software

[0023] The pork color computer grading software is composed of an image in...

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Abstract

The present invention relates to a pig meat colour sorting apparatus. It includes image acquisition equipment and pig meat colour sorting software. Its image acquisition chamber is made by using semispherical high-temp. resisting material whose diameter is 600 mm, it sinner wall is coated with white colour, four halogen lamps with 50 W are spaced and mounted on the bottom portion of said image acquisition chamber. Said image acquisition chamber interior also is equipped with sample-bearing table and digital camera. The sorting software is formed from image input control module, image separation and identification module, image colour characteristic parameter extraction module and pig meat colour grade output module, etc.

Description

1. Technical field [0001] The pork color grading instrument of the invention belongs to the field of computer vision and automatic grading equipment for the quality of agricultural products. 2. Technical background [0002] The quality of fresh pork changes significantly with the time of refrigeration and storage. A symbolic indicator for easy identification is the color of pork. Consumers often choose to buy pork based on the difference in color. There is no scientific and objective At the same time, the fresh pork sold in supermarkets does not adopt different prices according to the storage time (different colors) of the fresh meat, and does not really achieve "price according to quality"; the quality of foreign pork has corresponding standards. Color grade standards. Their pork color standards play a huge role in pork pricing, domestic retail, and international trade. However, my country’s pork products do not have their own color grade standards so far, and they cannot be ...

Claims

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Application Information

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IPC IPC(8): G01N21/25G01N21/84
Inventor 徐幸莲彭增起江龙建
Owner NANJING AGRICULTURAL UNIVERSITY
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