Multi-dimensional spectral color space construction method and device and electronic equipment

A technology of spectral color and construction method, applied in the field of device and electronic equipment, construction method of multi-dimensional spectral color space, can solve the problems of not taking into account the observation conditions of the visual system, unable to simulate color vision, limitations, etc.

Active Publication Date: 2021-01-22
辽宁新华印务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Generally, the spectral color space is composed of chromaticity values ​​and dimensionality-reduced spectral information in the CIE uniform color space, but the CIE uniform color space does not take into account that the human visual system is affected by the observation conditions, and cannot simulate color vision affected by ambient light, The effects of factors such as color contrast and color adaptation are limited in application; although LMSPCA considers the visual characteristics of the human eye, it directly weights the source spectrum and then performs PCA dimensionality reduction, which does not reflect the chromaticity information, which means It also does not take into account that the visual system is affected by the observation conditions, and there are also certain limitations in practical applications that require light sources.

Method used

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  • Multi-dimensional spectral color space construction method and device and electronic equipment
  • Multi-dimensional spectral color space construction method and device and electronic equipment
  • Multi-dimensional spectral color space construction method and device and electronic equipment

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Embodiment 1

[0030] figure 1 A flow chart of a method for constructing a multi-dimensional spectral color space provided by an embodiment of the present invention, as shown in figure 1 As shown, the method specifically includes the following steps:

[0031] Step S102, acquiring source spectral data of the target object.

[0032] Specifically, to construct a multi-dimensional spectral color space, the source spectral data of the target object should be obtained first. The above-mentioned target object can be an object or a color sample. In the actual operation process, considering the surface properties of the object itself, when the target object is extremely small It is not easy to collect source spectral data or the collected source spectral data is inaccurate when there are color spots or damaged Dunhuang murals. When the target object is a color sample, in principle, the embodiment of the present invention does not limit the number of color samples, which may be the ICC standard colo...

Embodiment 2

[0070] The embodiment of the present invention also provides a multi-dimensional spectral color space construction device, the multi-dimensional spectral color space construction device is mainly used to implement the multi-dimensional spectral color space construction method provided in the first embodiment above, the following provides the embodiment of the present invention The construction device of the multi-dimensional spectral color space is introduced in detail.

[0071] Figure 4 It is a functional block diagram of a multi-dimensional spectral color space construction device provided by an embodiment of the present invention, such as Figure 4 As shown, the device mainly includes: an acquisition module 10, a first determination module 20, a second determination module 30, and a construction module 40, wherein:

[0072] An acquisition module 10, configured to acquire source spectral data of a target object.

[0073] The first determination module 20 is configured to ...

Embodiment 3

[0090] see Figure 5 , the embodiment of the present invention provides an electronic device, the electronic device includes: a processor 60, a memory 61, a bus 62 and a communication interface 63, the processor 60, the communication interface 63 and the memory 61 are connected through the bus 62; the processor 60 is used to execute executable modules, such as computer programs, stored in memory 61 .

[0091] Wherein, the memory 61 may include a high-speed random access memory (RAM, RandomAccessMemory), and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory. The communication connection between the system network element and at least one other network element is realized through at least one communication interface 63 (which may be wired or wireless), and the Internet, wide area network, local network, metropolitan area network, etc. can be used.

[0092] The bus 62 can be an ISA bus, a PCI bus or an EISA bus, etc. The bus can be d...

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Abstract

The invention provides a multi-dimensional spectral color space construction method and device and electronic equipment, and relates to the technical field of color science. The method comprises the steps of: calculating the color appearance attribute value of a target object through a preset color appearance model after the source spectrum data of the target object is obtained, weighting a spectral principal component through a contribution rate to obtain a target spectral principal component, and finally, constructing a multi-dimensional spectral color space based on the color appearance attribute value of the target object and the target spectral principal component. In view of the fact that the color appearance model considers the influence of observation conditions on a human vision system, the effect of factors such as ambient light, color contrast and color adaptation on color vision can be simulated. The weighting processing weakens the average performance of different spectralprincipal components in application, and highlights the effect of important components, so that the multi-dimensional spectral color space obtained by the method is more suitable for actual needs andspecific application than the existing spectral color space.

Description

technical field [0001] The present invention relates to the technical field of color science, in particular to a construction method, device and electronic equipment of a multi-dimensional spectral color space. Background technique [0002] Spectral reflectance and chromaticity values ​​can describe the color characteristics of an object. The spectrum of an object is its inherent property, but it may produce different color perceptions under different lighting and viewing conditions. The color properties of objects are very important in life and production. How to use convenient and effective methods to describe the color properties of objects with comprehensive and simple data is a hot research direction. At present, there are spectral color spaces for color reproduction, such as LabPQR, LabICA and LMSPCA. [0003] Generally, the spectral color space is composed of chromaticity values ​​and dimensionality-reduced spectral information in the CIE uniform color space, but the...

Claims

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Application Information

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IPC IPC(8): G01J3/46
CPCG01J3/462
Inventor 廉玉生胡晓婕刘金钠曹栩珩储熠阳王萌杨子昭张昊宇黄敏魏先福
Owner 辽宁新华印务有限公司
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