Method for acquiring laser meat image by double-laser triangle method

A technology of image acquisition and triangulation, applied in the direction of using optical devices, optical testing flaws/defects, measuring devices, etc., can solve problems such as threats to consumer health, consumer ingestion, and impact on product taste and quality

Active Publication Date: 2012-02-15
NANJING FORESTRY UNIV
View PDF2 Cites 36 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Physical pollution is mainly due to the presence of foreign matter in food. At present, meat production enterprises use large-scale machinery for slaughtering and processing, and it is impossible to completely separate the foreign matter such as metal, bone, glass, etc. from the meat itself; in automation The wear and tear of machine parts during the production process may cause problems such as chipping. These metal chips not only affect the ta

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for acquiring laser meat image by double-laser triangle method
  • Method for acquiring laser meat image by double-laser triangle method
  • Method for acquiring laser meat image by double-laser triangle method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0088] The technical solution will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0089] In this example, dual CCD cameras are used to collect laser images of meat from the left and right sides of the direct laser beam to obtain complete meat contour and thickness information.

[0090] 1. Analysis of meat thickness laser image measurement system

[0091] 1.1.1 Reflection analysis of light radiation meat

[0092] The reflection of light radiation on the surface of the medium is divided into two types: specular reflection and diffuse reflection. Different reflection characteristics have different distributions of reflected radiation intensity. The curved surface of the meat surface is complex, and the moisture content of each part of the same piece of meat varies greatly. Moreover, the distribution of fat meat and lean meat is uneven. When light is incident on the interface of two different media, it will be reflected accord...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a method for acquiring a laser meat image by a double-laser triangle method. The method comprises the following steps of: 1) establishing a view field; 2) storing a gradient different between a laser meat curve and a laser plane reference curve which serves as meat thickness information to be a laser image meat thickness curve, and combining multi-frame laser meat thickness curves into a laser image according to an acquisition sequence; 3) unifying two laser images acquired by a left charge coupled device (CCD) camera and a right CCD camera to be under the same coordinate; and 4)splicing the laser images acquired at left and right angles under the unified coordinate into the same laser image to form a complete meat laser image.

Description

technical field [0001] The invention belongs to the technical field of food detection, in particular to a laser meat image acquisition method based on a double laser triangulation method. Background technique [0002] There are many unsafe factors for meat food, mainly from biological, chemical, and physical pollution. Physical pollution is mainly due to the presence of foreign matter in food. At present, meat production enterprises use large-scale machinery for slaughtering and processing, and it is impossible to completely separate the foreign matter such as metal, bone, glass, etc. from the meat itself; in automation The wear and tear of machine parts during the production process may cause problems such as chipping. These metal chips not only affect the taste and quality of the product, but also contain various harmful substances such as lead and tribute; in addition, because the animals themselves eat impurities by mistake, the impurities are embedded in the animal body...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01N21/94G01B11/06G01B11/25
Inventor 赵茂程洪冠汪希伟居荣华
Owner NANJING FORESTRY UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap