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Textile surface analysis method and its system

A technology of analysis system and analysis method, applied in the field of fabric surface appearance analysis system, which can solve the problems of reduced laser beam reflectivity, low measurement speed, application limitation, etc.

Inactive Publication Date: 2004-10-06
THE HONG KONG POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the measurement speed of this method is much lower than that of a digital camera. Since this technology relies on the reflectivity of the laser beam, on dark fabrics, the reflectivity of the laser beam is greatly reduced, and its application is limited.

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
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  • Textile surface analysis method and its system
  • Textile surface analysis method and its system
  • Textile surface analysis method and its system

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Embodiment Construction

[0020] figure 1 It is a schematic diagram of the device of the present invention. The opposite of the CCD digital camera 3 is a white background 1 . In a preferred embodiment, the white background 1 is a light box. The center of the image captured by the CCD digital camera is located on the dotted line 6 .

[0021] Between the camera 3 and the background 1 is the swatch 2, which is bent into an "A" shape to form a top 5, located on the dot-dash line 6 and at the center of the image captured by the camera 3.

[0022] The computer system 4 obtains images from the CCD digital camera 3 . The computer system 4 processes and analyzes the images collected by the CCD digital camera 3 . This will be elaborated later.

[0023] Can see that what CCD digital camera 3 is photographed is the profile picture at top 5 places of fabric surface from above device sketch. The light source at the background 1 provides good contrast to the outline image of the swatch 2, which is helpful for c...

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
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Abstract

A system for analyzing the surface appearance of fabric is composed of a feeding mechanism for carrying a fabric to pass through a space, an image acquiring device to take multiple profiles of said fabric, and a computer, which can process the acquired images to obtain 3D data about the fabric surface, extracting the specific data, and comparing them with the reference to obtain the class and characteristic data of the fabric.

Description

technical field [0001] The invention relates to a fabric surface appearance analysis system, in particular to a method and a device capable of establishing three-dimensional data of the fabric surface. Background technique [0002] When evaluating fabric grades, it is always desirable to apply objective evaluation criteria so that all parties involved can trust the results of the evaluation. The most recent progress in this field is the development of a set of automatic analysis techniques that can effectively identify surface features (such as pills on the surface of the fabric), and this type of method can give a standard and objective grade to the fabric. [0003] The current technology, for example, uses a digital camera (including a charge-coupled device (CCD)) to obtain surface images of the cloth sample under the illumination of an appropriate light source. Firstly, the camera is used to obtain the image of the fabric surface, and the image is processed to identify t...

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
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Application Information

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IPC IPC(8): G01B11/30G01N21/84G01N33/36G06F19/00G06T7/00
CPCG06T2207/30124G06T7/0004
Inventor 胡金莲辛斌杰郭月洋严灏景纽德
Owner THE HONG KONG POLYTECHNIC UNIV
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