CN109523600A - A kind of historical relic's protection reparation recruits color method - Google Patents
A kind of historical relic's protection reparation recruits color method Download PDFInfo
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- CN109523600A CN109523600A CN201811332261.8A CN201811332261A CN109523600A CN 109523600 A CN109523600 A CN 109523600A CN 201811332261 A CN201811332261 A CN 201811332261A CN 109523600 A CN109523600 A CN 109523600A
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- color
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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Abstract
The invention discloses a kind of historical relic's protections to repair color matching method, using historical relic color of object to be repaired as substrate, by the reflectance curve and its chemical composition that measure color, screening compliant material establishes corresponding color data library, recycle color matching software by calculating linear reflective rate curve, the color density of historical relic aim colour to be measured is calculated by known color data library, according to the optimum formula of acquisition, it treats the scarce color position that restores relics and carries out complementary color reparation, existing error is big during solving current historical relic's protection reparation toning, low efficiency, poor reproducibility, the problems such as metamerism.
Description
Technical field
The invention belongs to historical relic's protections to repair field, specially a kind of method that historical relic's protection reparation recruits color.
Background technique
In today of scientific and technological high speed development, the utilization of color engineering knowledge and the intervention of computer make asking for Man-made Color Matching
Topic is resolved, and this method is referred to as computer color matching, and principle is used using one La Pusenfa of dichotomy or newton etc.
Approach by inchmeal solves, efficiently close to aim colour.Obtained color is typically all metamerism color, can be generated when conditions change
Color mismatch, when dummy demanding as simulation quality, will go wrong, therefore also should be together with photograph when carrying out match colors
Mingguang City's metameric index calculates together, finds out the smallest solution of colour matching.
Analysis available data shows that using computer progress Automatic color matching, Computor Color matching method is looked for according to color matching theory
The relationship between colorant spectral reflectivity is mixed under the spectral reflectivity of various basic colorants and a certain formula out, as base
Plinth, by a series of chrominance distortions, the relationship that you can get it between mixing colorant coloration and formula.Keep us same from one group
One is found out in the formula of color to be preferably formulated with spectrality in addition, every addition or change a kind of basic colorant, it only need to be in former data
The corresponding data that this kind of colorant is changed or added in library, without changing entire database.Industrially, textile, plastics, oil
The color of paint, printing ink etc., generally requires setpoint color, or is specified by client or design innovation.Dyeing and pigment and technique
Teachers often need to provide using client or specified color card is as standard, select colorant according to the matrix of required coloring, and
Suitable color formulas is made, to reach expected coloring effect.This i.e. so-called color matching of the process for drafting formula.Standard sample
The color of product, commonly referred to as reference colour or aim colour, the color of actual product are then known as reproduction color or matching color.The mesh of color matching
, exactly in order to obtain the reproduction color consistent with reference colour.For a long time, dyestuff is generally closed in the application with color with pigment
At with based on color mixing theory, using Man-made Color Matching, this way is high and at high cost to the competency profiling of color matching personnel,
Time-consuming and laborious, order of accuarcy is also poor.
In cultural heritage protection, often because individual different, the history age is different for ancient building exterior wall, mural painting etc., shows and selects color
There is larger difference in color matching result, even historical relic reparation teacher by screwing up discipline is as the stability of multi-pass operation is asked
Topic occurs recruiting the deviation of color.This patent uses the photoelectricity chromatography colour photometer being connected with computer, to object historical relic to be repaired
Go out the similar formula of color according to the color data storehouse matching of foundation, according to formula auxiliary electron balance, mixing machine, coating machine etc.
Tool makes suitable colorant.The stabilization and reliability of obtained Colorimetric results have the unrivaled superiority of vision.It is right
The Conservative restoration technology of historical relic's protection, which has been made, to be goed deep into, is widely applied research.
Summary of the invention
To solve, existing error during current historical relic's protection reparation toning is big, low efficiency, poor reproducibility, metamerism
The problems such as, the present invention provides a kind of historical relic's protections to repair shading process, as recruiting color method, by means of spectrophotometric color measurement instrument and
The colour examining of color matching software sharing and color matching system, by analysis detection historical relic object, selecting historical relic color of object to be repaired is mesh
Object is marked, the method that historical relic's protection reparation recruits color is finally completed.
Technical solution used by the purpose of the present invention is: a kind of historical relic's protection reparation color matching method, with historical relic to be repaired
Color of object is substrate, and by measuring the reflectance curve and its chemical composition of color, screening compliant material establishes corresponding color
Color database recycles color matching software by calculating linear reflective rate curve, calculates historical relic to be measured by known color data library
Color density treat the scarce color position of restoring relics according to the optimum formula of acquisition and carry out complementary color reparation.Wherein, database
It establishes based on existing software in spectrophotometric color measurement instrument, is formed by measuring spectroscopic data corresponding to the colour table of known formulations,
Routine, which needs to establish different concentration gradients, can cover colour gamut.Be formulated colorant selection, it is desirable that it is rich in color, Graded Density compared with
Greatly, required various color datas can be covered.
Specifically, historical relic's protection of the invention repair color matching method the following steps are included:
Step 1: historical relic color of object analysis to be repaired；
Step 2: historical relic color of object to be repaired extracts；
Step 3: establishing color data library；
Step 4: formula is calculated；
Step 5: repairing color；
Step 6: complementary color.
Wherein, in step 1: historical relic color of object analysis to be repaired, including treat the surface colorant that restores relics and carry out chemistry
Component is analyzed, determines and repairs the system of using.Wherein, the method for chemical constituent analysis includes: thermal cracking mass spectral analysis, infrared spectroscopy
Analysis etc..Main reparation system includes vegetable colour series, and inorganic mineral pigments series, organic system etc., organic system is again
Including alcohol acid system, acrylic system, acrylic system, polyurethane system, amino system etc..
Further, in step 2, historical relic color of object extraction to be repaired includes borrowing spectrophotometric color measurement instrument to measure the anti-of color
Rate curve is penetrated, and combining computer for colouring software to read cultural artifact surface colorant to be repaired is aim colour.
Further, it in step 3, establishes color data library: adding diluent or blender to be made not according to existing colour system
Same concentration proportioning is weighed, is vibrated and be poured on standard unstressed configuration paper jam, colour table is made using coating machine, after drying or drying, adopts
With step 1 spectrophotometric color measurement instrument and computer for colouring software, to establish color data library.
Further, in step 4, formula is calculated: including using software calculation processing of matching colors, according to color data library,
Formula needed for historical relic color to be repaired is calculated, weighed, mixed according to the numerical value provided, colour table production, and calculating formula
The value of chromatism of color and historical relic color to be repaired.Calculating process can be by obtaining in the software in instrument at present.
Further, in step 5, repairing color includes, if in step 4, matching colo(u)r bias △ E*Greater than 1, carry out repairing color using software
Until the color difference of practical color matching colorant and aim colour is less than 1.To obtain the colorant of optimum formula, it to be used for complementary color.
Further, in step 6, complementary color includes treating the scarce color position that restores relics using the colorant of gained formula to carry out complementary color
It repairs.
Color matching method is repaired in the historical relic's protection of the invention, by by means of spectrophotometric color measurement instrument and software sharing of matching colors
Colour examining and color matching system, by analyzing the color of object that restores relics, selecting colorant used in historical relic to be repaired is aim colour, final complete
At the method that historical relic Conservative restoration recruits color, solve that existing error during current historical relic's protection reparation toning is big, efficiency
The problems such as low, poor reproducibility, metamerism.
Detailed description of the invention
Fig. 1 is Macao Sheng Ruosexiu institute shrine door pillar yellow uitramarine photo comparison figure；
Fig. 2 is Macao Sheng Ruosexiu institute shrine door pillar yellow uitramarine microphoto comparison diagram；
Fig. 3 is the flow chart that historical relic's protection reparation of the present invention recruits color method.
Specific embodiment:
The method that historical relic's protection reparation recruits color is further illustrated below with reference to example.
Step 1: analysis, hot tearing historical relic object analysis: being sampled to Sheng Ruosexiu institute, Macao shrine door pillar yellow uitramarine
Solution mass spectral analysis, which can determine, uses colored drawing for acrylic system；
Step 2: historical relic color extraction to be repaired: borrowing CI64 spectrophotometric color measurement instrument and computer for colouring software Color
It is aim colour that iControl, which reads Macao Sheng Ruosexiu institute shrine door pillar yellow uitramarine,；
Step 3: establish colored drawing database: according to historical relic object analysis result selection acrylic system conventional color, water,
Titanium white as diluent and dispersion, colorant include carbon black, lemon yellow, bright red, acid blue, ultramarine, Sha Pu green, rhodo, middle ash,
Huang, purple, shallow olive green, orange, yellowish pink, darkcyan, yellowish green, deep yellow, phthalocyanine green, sand, lemon yellow, life in orange, Napo County
Reddish brown, ripe reddish brown, silver color, light green, emerald green, powder is green, light gray is blue, sky blue, cobalt blue, bronze colour, phthalocyanine blue, Prussian blue, shallow lemon yellow,
Middle Huang, the colour of loess, orange (such as table 1), terra-cotta, raw brown, ripe brown, reddle, 42 color of peony, use colorant, water (diluent)
Various concentration proportion is made with titanium white (dispersion), every concentration gradient of the same colour is used from 0.2~77.0% concentration range
1/1000 precision electronic balance weighs, and records original weight, is put into vibrating machine after screwing sample cup for liquid, it is ensured that each sample oscillation
15min is uniformly mixed, and the use of coating speed is 0.028mm/s, and automatic wet film is prepared on the black and white paper jam of leneta 2C
The Standard colour board of 200 μm of film forming thickness is put into 50 DEG C of baking ovens drying 30min or naturally dry 8 hours, using spectrophotometric color measurement instrument and
Computer for colouring software reads the colour table of production；Using spectrophotometric color measurement instrument and computer for colouring software, so that the mark of each colorant
The dE value of directrix curve is respectively less than 1, to establish acrylic system color data library.
The quality proportioning (g) of each component in the water soluble acrylic acid sample of the orange modulation of table 1
Step 4: formula is calculated: using color matching software calculation processing, according to the color data library that step 3 is established, meter
Calculate formula needed for historical relic color to be repaired, water 23.000g, titanium white 70.424g, yellow green 1.681, bronze colour 2.148, the colour of loess
Color 4.018 is weighed according to the numerical value that computer for colouring provides, is mixed, colour table production；
Step 5: repairing color: colour table and Sheng Ruosexiu institute, Macao shrine door pillar yellow uitramarine deviation △ E in step 4*For
0.73, less than 1, see Fig. 1.
Step 6: complementary color: using the resulting color matching method of step 4 and Macao Sheng Ruosexiu institute shrine door pillar yellow uitramarine into
Row on-the-spot testing, color is very close, can not visually differentiate color difference, has reached toning and has required, so that the later period carries out historical relic's protection
Reparation recruits color.
Historical relic's protection reparation of the invention recruits color method, by analysis detection historical relic object, according to historical relic's protection reparation
Principle selectes colour system used in historical relic to be repaired；By means of the colour examining of spectrophotometric color measurement instrument and color matching software sharing and with colour system
System, detects the color data of historical relic color sample, and is stored in color matching system；According to the selected colour system of various concentration gradient
It establishes color data input color matching system and color data library is created as by software calculation processing of matching colors；Restoring relics it
Before, then historical relic body color is detected as base coat colour, it is borrowed in color data library, color matching system can calculate various colorants automatically
Color apply ratio, select formula of the spectrophotometric color measurement instrument color difference less than 1 by comparing and repairing color adjustment, it is rear using formula color
Material carries out historical relic's protection complementary color.Historical relic's protection reparation recruits the accuracy of color and high-efficient.
Claims (8)
1. color matching method is repaired in a kind of historical relic's protection, it is characterised in that: using historical relic color of object to be repaired as substrate, by measuring
The reflectance curve and its chemical composition of color, screening compliant material establish corresponding color data library, recycle color matching software
By calculating linear reflective rate curve, the color density of historical relic aim colour to be measured is calculated by known color data library, according to obtaining
The optimum formula obtained treats the scarce color position that restores relics and carries out complementary color reparation.
2. color matching method is repaired in historical relic's protection as described in the appended claim 1, which comprises the following steps:
Step 1: historical relic color of object analysis to be repaired；
Step 2: historical relic color of object to be repaired extracts；
Step 3: establishing color data library；
Step 4: formula is calculated；
Step 5: repairing color；
Step 6: complementary color.
3. color matching method is repaired in historical relic's protection as stated in claim 2, it is characterised in that: in step 1: historical relic target to be repaired
Color analysis, including treat the surface colorant ingredient that restores relics and carry out chemical analysis, it determines and repairs the system of using.
4. color matching method is repaired in historical relic's protection as claimed in claim 3, it is characterised in that: in step 2, historical relic target to be repaired
Color extraction, including, cultural artifact surface colorant to be repaired is read with spectrophotometric color measurement instrument and computer for colouring software, is aim colour.
5. color matching method is repaired in historical relic's protection as claimed in claim 4, it is characterised in that: in step 3, establish color data
Library: add diluent or blender that the mill base of various concentration proportion is made according to existing colour system, weigh, vibrate and be poured on standard
On unstressed configuration paper jam, colour table is made using coating machine, after drying or drying, is read using spectrophotometric color measurement instrument and computer for colouring software
Take the colour table of production；, to establish color data library.
6. color matching method is repaired in historical relic's protection as claimed in claim 5, it is characterised in that: in step 4, formula is calculated:
Including according to color data library, calculating formula needed for historical relic color of object to be repaired using software calculation processing of matching colors, according to
The numerical value provided is weighed, is mixed, colour table makes, and calculates the value of chromatism of formula color and historical relic color of object to be repaired.
7. color matching method is repaired in historical relic's protection as recited in claim 6, it is characterised in that: in step 5, repairing color includes, if step
In rapid 4, match colo(u)r bias △ E*Greater than 1, carry out repairing color using software until the color difference of practical color matching colorant and aim colour is less than 1.
8. color matching method is repaired in historical relic's protection as recited in claim 7, it is characterised in that: in step 6, complementary color includes using institute
Restore relics scarce color position of the colorant that must be formulated carries out complementary color reparation.
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| CN201811332261.8A CN109523600B (en) | 2018-11-09 | 2018-11-09 | Cultural relic protection repair complementary color matching method |
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| CN201811332261.8A CN109523600B (en) | 2018-11-09 | 2018-11-09 | Cultural relic protection repair complementary color matching method |
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Cited By (4)
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| CN112210238A (en) * | 2020-10-13 | 2021-01-12 | 广东潮鑫建设工程有限公司 | Cultural relic protection repair complementary color matching method |
| CN112746518A (en) * | 2021-01-12 | 2021-05-04 | 青岛农业大学 | Color restoration method for digital copying of painting and calligraphy artwork |
| CN114778453A (en) * | 2021-12-31 | 2022-07-22 | 南京华鼎纳米技术研究院有限公司 | Paper restoration method based on paper luminosity |
| CN114808074A (en) * | 2022-05-16 | 2022-07-29 | 日善电脑配件(嘉善)有限公司 | Anodic oxidation dye selection method based on spectral reflection curve and application |
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| CN112210238A (en) * | 2020-10-13 | 2021-01-12 | 广东潮鑫建设工程有限公司 | Cultural relic protection repair complementary color matching method |
| CN112746518A (en) * | 2021-01-12 | 2021-05-04 | 青岛农业大学 | Color restoration method for digital copying of painting and calligraphy artwork |
| CN112746518B (en) * | 2021-01-12 | 2022-10-25 | 青岛农业大学 | Color restoration method for digital copying of painting and calligraphy artwork |
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| CN114808074A (en) * | 2022-05-16 | 2022-07-29 | 日善电脑配件(嘉善)有限公司 | Anodic oxidation dye selection method based on spectral reflection curve and application |
| CN114808074B (en) * | 2022-05-16 | 2023-08-18 | 日善电脑配件(嘉善)有限公司 | Anodic oxidation dye selection method based on spectral reflection curve and application |
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