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High-accuracy chromaticity imaging device, and chromaticity imaging method thereof

An imaging device, high-precision technology, applied in the direction of color measurement devices, etc., can solve the problem of not being able to obtain chromaticity values, and achieve the effects of avoiding ripples from affecting imaging effects, ensuring chromaticity accuracy, and improving efficiency

Inactive Publication Date: 2019-04-09
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, the invention patent with the application number 201621441180.8 discloses a scanner and chromaticity recognition equipment. The improvement of the chromaticity scanner is only to set multiple windows and place different substances for data collection. Compared with the previous single window, there is no need to The standard substance and the target substance are placed successively for collection, which improves the efficiency, but the chromaticity value of a single point is still collected, and the chromaticity value of the entire surface of an object cannot be obtained

Method used

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  • High-accuracy chromaticity imaging device, and chromaticity imaging method thereof
  • High-accuracy chromaticity imaging device, and chromaticity imaging method thereof

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] The high-precision chromaticity imaging device of the present invention, such as figure 1 , 2 As shown, it includes an airtight dark box 1 and a standard light source 5 disposed in the airtight dark box 1, a chromaticity collection sensor 3, a motion mechanism and a target substance collection area 6, and the standard light source 5 is arranged on the inner wall of the airtight dark box 1 to control the airtight dark box 1. The inner space is illuminated, and the chromaticity collection sensor 3 is arranged on the moving mechanism, so as to scan the area 6 of the target substance collection area 6 with the built-in target substance under the drive of the moving mechanism.

[0019] In this embodiment, in order to uniformly illuminate the target substance collection area 6 , a plurality of standard light sources 5 are arranged i...

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Abstract

The invention relates to a high-accuracy chromaticity imaging device, and a chromaticity imaging method thereof. The device comprises a closed camera obscura, a standard light source, a chromaticity collection sensor, a movement mechanism and a target substance collection area, wherein the chromaticity collection sensor is arranged on the movement mechanism to carry out surface scanning on a target substance collection area under the driving of the movement mechanism. The method comprises the following steps that: the movement mechanism drives the chromaticity collection sensor to carry out the surface scanning on the whole target substance collection area; the chromaticity value of each point in the target substance collection area is collected to form a surface chromaticity diagram corresponding to the whole target substance collection area; then, through a segmentation algorithm, a target substance and the background of the target substance are segmented; the surface chromaticity diagram of the target substance is extracted; and finally, through a mean value algorithm, the surface average chromaticity of the target substance is calculated. By use of the device and the method, collecting and imaging efficiency is high, the surface chromaticity of the target substance can be automatically collected, and in addition, the device and the method are easy in operation and good in use effects.

Description

technical field [0001] The invention relates to the technical field of chromaticity acquisition, in particular to a high-precision chromaticity imaging device and a chromaticity imaging method thereof. Background technique [0002] Various professional equipments for chromaticity acquisition have been disclosed in the prior art. For example, the invention patent with the application number 201621441180.8 discloses a scanner and chromaticity recognition equipment. The improvement of the chromaticity scanner is only to set multiple windows and place different substances for data collection. Compared with the previous single window, there is no need to The standard substance and the target substance are placed successively for collection, which improves the efficiency, but the chromaticity value of a single point is still collected, and the chromaticity value of the entire surface of an object cannot be obtained. Contents of the invention [0003] The purpose of the present ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/46
CPCG01J3/46
Inventor 魏云龙林海涛林泽邦张桢陈麒光赵润晖蔡艳菁
Owner FUZHOU UNIV
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