JPH0776712B2 - Correcting method of color matching prescription in blending color materials - Google Patents
Correcting method of color matching prescription in blending color materialsInfo
- Publication number
- JPH0776712B2 JPH0776712B2 JP58171614A JP17161483A JPH0776712B2 JP H0776712 B2 JPH0776712 B2 JP H0776712B2 JP 58171614 A JP58171614 A JP 58171614A JP 17161483 A JP17161483 A JP 17161483A JP H0776712 B2 JPH0776712 B2 JP H0776712B2
- Authority
- JP
- Japan
- Prior art keywords
- color
- prescription
- ccm
- calculated
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 25
- 239000000463 material Substances 0.000 title claims description 14
- 238000002156 mixing Methods 0.000 title description 4
- 238000012937 correction Methods 0.000 claims description 16
- 238000004040 coloring Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000009472 formulation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 2
- 238000004043 dyeing Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000000975 dye Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 1
- 238000010014 continuous dyeing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 238000009981 jet dyeing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/463—Colour matching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/465—Measurement of colour; Colour measuring devices, e.g. colorimeters taking into account the colour perception of the eye; using tristimulus detection
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Treatment Of Fiber Materials (AREA)
- Spectrometry And Color Measurement (AREA)
Description
【発明の詳細な説明】 この発明は、各種産業及び工芸における着色のための色
材の配合による色合せにおいて、精度の高い色合せ処方
を得るための修正方法に関するものであつて、各方面で
広く利用できる画期的なものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a correction method for obtaining a highly accurate color matching prescription in color matching by mixing coloring materials for coloring in various industries and crafts. It is a groundbreaking thing that can be widely used.
染色や塗装などの色材応用産業及び着色を必要とする工
芸品の生産においては、目標とする色彩を表現するため
の色材の配合割合と使用濃度とを指定する処方を決定す
ることが極めて重要な技術的必要条件であるが、これま
で、主として経験を積んだ技能者の熟練に依存してき
た。In the coloring material application industry such as dyeing and painting, and in the production of crafts that require coloring, it is extremely important to determine the recipe that specifies the mixing ratio and the concentration of the coloring material to express the target color. Although an important technical requirement, it has so far relied mainly on the skill of the experienced technician.
最近、ようやく、色彩学における混色理論を応用し、コ
ンピユーターによつて計算を迅速化したCCMの普及によ
つて、技能者への依存度が減少しつつあるが、CCMによ
る色合せ処方の精度は平均的にはかなり良好な水準に到
達しているとはいうものの、厳密な色合せということで
は、なお多くの問題があるため、CCMによる計算処方の
色合せ精度を改善して実用的に有用なものにするための
修正方法の研究が重要な課題となつている。Recently, due to the spread of CCM that applies color mixing theory in color science and speeds up calculation by a computer, dependence on technicians is decreasing, but the accuracy of color matching prescription by CCM is Although it has reached a fairly good level on average, there are still many problems with strict color matching, so it is practically useful to improve the color matching accuracy of the calculation formula by CCM. The research of the correction method to make it an important thing is becoming an important subject.
しかして、従来技術においては次の問題点があった。However, the conventional technique has the following problems.
（ａ）コンピューターによる色合せ（以下CCMと云う）
は染色工程の機械別（連続染色、液流染色等）を細分化
して染料群、染料固体毎に基本濃度別のデータを細分化
し、コンピューターに入力するのに膨大な労力と時間を
必要としていた。(A) Computer color matching (hereinafter referred to as CCM)
Requires a huge amount of labor and time to subdivide the dyeing process by machine (continuous dyeing, jet dyeing, etc.) and subdivide the data by basic concentration for each dye group and dye solid, and input it to the computer. .
（ｂ）又、色合せの精度や再現性が実験室作成の基礎デ
ータと現場染色の条件とのズレにより不十分で試染色合
せを数回繰返すことを要し、甚だしく手間がかかってい
た。(B) Further, the accuracy and reproducibility of color matching are insufficient due to the difference between the basic data prepared in the laboratory and the conditions of the on-site dyeing, and it is necessary to repeat the test dyeing several times, which is extremely troublesome.
よって、本発明においては、これが解決手段として基本
データを５段階入力し、染色機械に関係なく１回試染を
行い、それ以降はコンピューターの色合せ精度の評価に
視感色差Ncを採用することによって色差の少い染色を得
られる方法を開発し、膨大な手間と時間の節約を計るこ
とに成功して、これを解決し得た。以下その詳細につい
て説明する。Therefore, in the present invention, as a solution, this is to input the basic data in five steps, perform the test dyeing once regardless of the dyeing machine, and thereafter adopt the visual color difference Nc to evaluate the color matching accuracy of the computer. We have succeeded in developing a method to obtain a dyeing with a small color difference, succeeded in saving a great deal of time and labor, and solved this problem. The details will be described below.
CCMの計算処方が必ずしも十分な色合せ精度をもつてい
ないことには多くの理由を挙げることができるが、もつ
とも基本的なことは、色合せ精度の評価をいわゆる色差
値で行つていることと、色合せ計算に使用する膨大な量
の基礎データが実験室において作成されるので、実際の
生産現場と条件が異なるため、その再現性を保証するこ
とができないことの２点である。There are many reasons why the calculation formula of CCM does not always have sufficient color matching accuracy, but the basic thing is that the evaluation of color matching accuracy is performed using so-called color difference values. Since a huge amount of basic data used for color matching calculation is created in the laboratory, the reproducibility cannot be guaranteed because the conditions are different from the actual production site.
本発明においては、CCMにおける上述の難点を解決する
ため、色合せ精度の評価については、いわゆる色差値に
代えて視感色差指数Ncを使用して、視感と合致する厳密
な評価を行い、又、計算に使用する基礎データの再現性
不良については、たゞ１回だけの試行着色を実施するこ
とによる簡便な修正計算を用意し、更に、色濃度水準に
よる補正を加えることによつて、より精度の高い色合せ
処方修正方法を開発した。In the present invention, in order to solve the above-mentioned difficulties in CCM, for the evaluation of color matching accuracy, a luminescent color difference index Nc is used in place of the so-called color difference value, and a strict evaluation that matches the visual sense is performed. For poor reproducibility of the basic data used for calculation, a simple correction calculation is performed by performing trial coloring only once, and further correction by the color density level is added. We have developed a more accurate color matching prescription correction method.
特に、たゞ１回だけの試行着色を実施し、その着色結果
を利用して、計算のために用意した基礎データの作成条
件と、これを実用する場合の条件との差異を修正計算方
式の中で実質的に相殺することによつて、実験室と生産
現場との相違に関する問題を解決できることを見出した
ことは、適切な精度をとつて作成されている基礎データ
がさえあれば、みずから準備したものでなく、第三者が
作成したものであつても、それを有効に流用できること
になるので、みずからの条件に合わせて膨大な基礎デー
タを作成するための労力や時間を完全に省略できること
になる。In particular, the trial coloring was performed only once, and using the coloring result, the difference between the condition for creating the basic data prepared for calculation and the condition for practical use was corrected. It was found that the problem related to the difference between the laboratory and the production site can be solved by substantially canceling out in the above.It is necessary to prepare it if there is basic data prepared with appropriate accuracy. Even if it was created by a third party, it can be effectively used, so it is possible to completely omit the effort and time to create a huge amount of basic data according to your own conditions. become.
本発明の要旨は次のとおりである。The gist of the present invention is as follows.
目的とする色の三刺激値（X1、Y1、Z1）に対して通常の
CCM計算によつて第１回目の色材配合処方（A1、B1、
C1）を求め、これを用いて試行着色を実施して得た着色
物の三刺激値（X2、Y2、Z2）を測定する。Ａ、Ｂ、Ｃは
色合せ配合に用いる色材である。For a target color tristimulus value (X 1 , Y 1 , Z 1 )
According to the CCM calculation, the first color material mixture prescription (A 1 , B 1 ,
C 1 ) is obtained, and the tristimulus values (X 2 , Y 2 , Z 2 ) of the colored product obtained by carrying out trial coloring using this are measured. A, B, and C are color materials used for color matching.
同じA1、B1、C1に対して、X1、Y1、Z1、とX2、Y2、Z2の
相違が生じるのは、CCM計算のための基礎データの作成
条件と、A1、B1、C1による再現の際の条件が異なつてい
ることに原因があるので、その差を相殺するために次の
ような２通りの方法を採る。The difference between X 1 , Y 1 , Z 1 and X 2 , Y 2 , Z 2 for the same A 1 , B 1 , C 1 is due to the conditions for creating basic data for CCM calculation, The cause is that the conditions for reproduction by A 1 , B 1 , and C 1 are different, so the following two methods are used to offset the difference.
色材濃度による補正方法（CCC＝Colorant Concentratio
n Correction） X2、Y2、Z2によつて再度CCM計算を実施し、第２回目の
色材配合処方（A2、B2、C2）を求め、A1、B1、C1とA2、
B2、C2とから次の計算によつて第３回目の色材配合処方
A3、B3、C3を用意する。Correction method based on color material density (CCC = Colorant Concentratio
n Correction) The CCM calculation is performed again using X 2 , Y 2 and Z 2 to obtain the second color material mixture prescription (A 2 , B 2 and C 2 ), and A 1 , B 1 and C 1 And A 2 ,
The third color material combination prescription based on the following calculation from B 2 and C 2
Prepare A 3 , B 3 , and C 3 .
A3＝mA1−nA2 B3＝mB1−nB2 C3＝mC1−nC2 但し、ｍ、ｎは正数である。 A 3 = mA 1 -nA 2 B 3 = mB 1 -nB 2 C 3 = mC 1 -nC 2 where, m, n are positive numbers.
上記m,nの符号は実験により誘導された場合の補正係数
であり、今回使用した直接染料ではｍ＞ｎの関係にあ
り、即ちｍ＝2,n＝１で好結果が得られたものである。The sign of m, n is a correction coefficient when it is derived by an experiment, and in the direct dye used this time, there is a relation of m> n, that is, a good result is obtained when m = 2, n = 1. is there.
このように,m,nは使用する染料等によって、事前に実験
により求めることができるものである。As described above, m and n can be experimentally obtained in advance depending on the dye used.
A3、B3、C3によつて実施した着色結果は、後記（10頁〜
12頁）の表１〜３に示す通りかなり良好な色合せ精度に
達するが、やゝ色濃度水準が低くなる場合があるので、
その場合は、X1、Y1、Z1から計算される色濃度値C
1 ※と、X2、Y2、Z2から計算される色濃度値C2 ※を用い
て係数ｍを次のように補正する。The coloring results carried out by A 3 , B 3 and C 3 are described later (page 10-
As shown in Tables 1 to 3 on page 12, fairly good color matching accuracy is reached, but since the color density level may become low,
In that case, the color density value C calculated from X 1 , Y 1 , and Z 1.
1 ※, corrects the coefficients m as follows using the X 2, Y 2, the color density values are calculated from Z 2 C 2 ※.
m1＝ｍ×（C1 ※/C2 ※） なお、X,Y,Zから色濃度値Ｃ＊の換算は、別添文献のJIS
Z 8721−1993の第３頁掲載の「6.色の表示記号の定め
方（１）Yc,xc,ycの値から定める方法」を採用した。m 1 = m × (C 1 * / C 2 * ) Note that the conversion of the color density value C * from X, Y, Z is based on JIS in the attached document.
Z page 3 of Listings 8721-1993 was adopted "set side of 6. color Symbol (1) Y c, x c , a method for determining the value of y c".
即ち、 1.明度の換算 JIS Z 8721−1993付表１の「明度Ｖと三刺激値Ycとの関
係」の数値換算表を対比させて読み取る。That is, read by comparing the numerical value conversion table "relationship between the value V and the tristimulus value Y c" Conversion JIS Z 8721-1993 Appendix 1 1. brightness.
2.色濃度値Ｃ＊の換算 （２−１） はじめに、三刺激値X,Y,Zから次の換算表で色相座標x,y
を次の通り算出する。2. Conversion of color density value C * (2-1) First, from the tristimulus values X, Y, Z, the hue coordinate x, y is calculated in the following conversion table.
Is calculated as follows.
（２−２） 次に、JIS Z 8721−1993付図６の「明度別色相及び彩度
図」のx,y座標軸に上記の（２−１）で算出し、 x,yの交点を求め、その交点に近接した色相曲線から色
相を求める。 (2-2) Next, the x and y coordinate axes of "Hue and Saturation Diagram by Lightness" of JIS Z 8721-1993 Appendix 6 are calculated in (2-1) above, and the intersection of x and y is obtained. The hue is obtained from the hue curve close to the intersection.
（２−３） さらに、x,yの交点に近接した彩度曲線から彩度の値を
読み取る。(2-3) Further, the saturation value is read from the saturation curve close to the intersection of x and y.
以上により読み取られた彩度＝色濃度値であるのでその
値をＣ＊とする。Since the saturation read as described above is the color density value, the value is defined as C * .
三刺激値による補正方法（TVC＝Trismulus Values Corr
ection） 目標色の三刺激値X1、Y1、Z1と、第１回目のCCM計算に
よる色彩配合処方A,B,Cを求め、これにより第１回の着
色試行を行ない、それにより得られた着色物のX2、Y2、
Z2とから、次の計算によつて、修正三刺激値X3,Y3,Z3を
求め、これを用いて第２回目のCCM計算を行い、色材配
合処方A2、B2、C2を求める。Correction method by tristimulus values (TVC = Trismulus Values Corr
Section) The target color tristimulus values X 1 , Y 1 and Z 1 and the color combination prescriptions A, B and C obtained by the first CCM calculation are obtained, and the first coloring trial is carried out and obtained. Colored X 2 , Y 2 ,
From Z 2 Prefecture, determined Yotsute, a correction tristimulus values X 3, Y 3, Z 3 on the following calculation performs second round of CCM calculated using this colorant formulation A 2, B 2, Find C 2 .
X3＝mX1−nX2 Y3＝mY1−nY2 Z3＝mZ1−nZ2 但し、ｍ、ｎは正数である。 X 3 = mX 1 -nX 2 Y 3 = mY 1 -nY 2 Z 3 = mZ 1 -nZ 2 where, m, n are positive numbers.
A2、B2、C2によつて実施された着色結果は、かなり良好
な色合せ精度に達するが、必要に応じて、X1、Y1、Z1か
ら計算される色濃度値C1 ※と、X2、Y2、Z2から計算され
る色濃度値C2 ※を用いて係数ｍを次のとおり補正する。A 2, B 2, C 2 O connexion implemented colored result is reached fairly good color match precision, if necessary, X 1, Y 1, the color density values are calculated from Z 1 C 1 * And the color density value C 2 * calculated from X 2 , Y 2 , Z 2 are used to correct the coefficient m as follows.
m1＝ｍ×（C1 ※/C2 ※） この場合における色濃度値Ｃ＊の計算も前記のX,Y,Zか
ら色濃度値Ｃ＊への換算方法と同様にして行なうものと
する。m 1 = m × (C 1 * / C 2 * ) In this case, the color density value C * is calculated in the same manner as the above-mentioned conversion method from X, Y, Z to the color density value C * . .
染色の場合におけるそれぞれの実施例をCCCについて表
１、表２及び表３によつて、TVCについては表４、表５
及び表６によつて示す。The respective examples in the case of dyeing are shown in Tables 1, 2 and 3 for CCC and Tables 4 and 5 for TVC.
And Table 6 below.
なお、色合せ精度の評価においては、従来常用されてき
た所謂『色差値』でなく、視感色差値（以下Ncという）
を用いて次の通り視感と合致した厳密な色合せ精度の検
定を行うことが望ましい着色生産物の同一ロツト内の色
合せ精度は、 Nc≧4.0 でなければならないが、ロツトが異なる場合には、 Nc≧3.0 で十分であることがわかつているので、実施例に見られ
るように、本発明による色材の色合せ処方修正方法は十
分な実用性をもつものであると考えられる。In the evaluation of color matching accuracy, it is not the so-called "color difference value" that is conventionally used, but the visual color difference value (hereinafter referred to as Nc).
It is desirable to perform a rigorous color matching accuracy test that matches the visual sense as follows.The color matching accuracy in the same lot of the colored product must be Nc ≥ 4.0, but if the lots are different, Since it is known that Nc ≧ 3.0 is sufficient, it is considered that the method of correcting the colorant formulation of the color material according to the present invention has sufficient practicality as seen in the examples.
以上の実施例の修正結果をまとめれば次の通りとなる。
（表１〜６参照） 上記結果からみてもNcが３以上を示しているため精度的
に十分なことが判る。The correction results of the above embodiment are summarized as follows.
(See Tables 1-6) It can be seen from the above results that Nc is 3 or more, which is sufficient in terms of accuracy.
なお、色彩の全領域をほゞ平均的に分割した60点の目標
色に対して、本発明の方法を実施した場合の色合せ精度
の改善傾向を示すと第１図のとおりである。It is to be noted that FIG. 1 shows a tendency of improving the color matching accuracy when the method of the present invention is applied to the 60 target colors obtained by almost uniformly dividing the entire color region.
これは、染色の場合の例であるが、第１回目のCCM計算
処方では、Nc値が3.0を越えるものは全くないが、本発
明の適用によつて、Nc値による評価が著しく改善できる
ことが明らかである。This is an example of the case of dyeing. In the first CCM calculation prescription, none of the Nc values exceeds 3.0, but the application of the present invention can significantly improve the evaluation by the Nc value. it is obvious.
なお、第１図に示す実施例中には、CCM計算そのものが
有効に収束しない配合例も数点含まれているので、それ
らを除けば、本発明によつて色合せ精度が Nc≧3.0 を越えるものは、CCC法で約60％、TVC法で約70％程度に
達すると考えられる。Note that the embodiment shown in FIG. 1 includes several compounding examples in which the CCM calculation itself does not converge effectively. Therefore, except for these, the color matching accuracy of the present invention is Nc ≧ 3.0. It is thought that the CCC method will exceed about 60% and the TVC method will exceed about 70%.
又 第２図は、本発明による色合せ精度の改善効果を、
無修正のCCM法とTVC法の場合について、Nc値とアダムス
ニツカーソン色差値との関係図として示したものである
が、本発明の適用によつて、全体として、色差値が減少
し、Nc値が増大してはいるが、色差値は通常のCCM計算
の収束目標とする1.0以下になつてもなおNc値に関して
はNc＝２以上に幅広く分布しており、精密な色合せ精度
の評価には極めて有効であることが明らかである。FIG. 2 shows the effect of improving the color matching accuracy according to the present invention.
In the case of the uncorrected CCM method and the TVC method, it is shown as a relationship diagram between the Nc value and the Adams Nitzkerson color difference value, but the application of the present invention reduces the color difference value as a whole, Although the value is increasing, even if the color difference value is 1.0 or less, which is the convergence target of the usual CCM calculation, the Nc value is still widely distributed to Nc = 2 or more, and precise color matching accuracy is evaluated. It is clear that it is extremely effective for
以上のように、本発明は、CCMの計算処方を極めて簡便
な方法で修正することによつて、精度の高い色材配合処
方を得る方法であつて、基礎データの作成条件とそれに
基ずく計算処方によつて色材を再現する際の条件の相違
を簡易な計算手続きの中で実質的に相殺するので、CCM
法の有用性を拡大するだけでなく、既成の基礎データも
また有効に活用できるので経済的にも有用なものであ
る。As described above, the present invention is a method of obtaining a highly accurate color material mixture prescription by modifying the calculation prescription of CCM by an extremely simple method, and the calculation based on the basic data creation condition. The difference in the conditions for reproducing the coloring material according to the recipe is substantially canceled out in a simple calculation procedure, so CCM
Not only is the usefulness of the law expanded, but the existing basic data can also be used effectively, which is economically useful.
第１図は、本発明の方法を実施した場合の色合せ精度の
改善傾向を示す説明図表、イはCCM無修正の場合、ロはC
CC修正の場合、ハはTVC修正の場合を示す、第２図は本
発明による色合せ精度の改善効果を無修正のCCM法とTVC
法の場合についてNc値とアダムスニツカーソン色差値と
の関係を示す説明図表、イはCCM無修正処方による染色
の場合、ロはTVC修正処方による染色の場合を示すもの
である。FIG. 1 is an explanatory chart showing an improvement tendency of the color matching accuracy when the method of the present invention is carried out, a is CCM uncorrected, and b is C
In the case of CC correction, C shows the case of TVC correction. FIG. 2 shows the effect of improving the color matching accuracy according to the present invention with the uncorrected CCM method and TVC.
In the case of the method, an explanatory chart showing the relationship between the Nc value and the Adams Nitzkerson color difference value, a shows the case of dyeing by the CCM uncorrected prescription, and b shows the case of dyeing by the TVC corrected prescription.
Claims (3)
により通常のコンピューターカラーマッチング（以下
「CCM」と略称する）計算によって第１回目の色材配合
処方（A1,B1,C1）を求め、これを用いて１回だけの着色
試行によって得る着色物を計測し、その計測により得ら
れる着色物の三刺激値（X2,Y2,Z2）を求め、これによっ
てCCM計算により第２回目の色材配合処方（A2,B2,C2）
を求め、これを用いて色合せ計算するに当り、実験によ
り得た補正係数である正数m,n（但し、ｍ＞ｎ）を用い
て第３回目の色材配合処方を次式 A3＝mA1−nA2 B3＝mB1−nB2 C3＝mC1−nC2 により求めることを特徴とする色材配合における色合せ
処方修正方法。1. A tristimulus value (X 1 , Y 1 , Z 1 ) of a desired color sample.
The first color material combination prescription (A 1 , B 1 , C 1 ) is calculated by the usual computer color matching (hereinafter abbreviated as “CCM”) calculation, and is obtained by one-time coloring trial using this. The colored material is measured, and the tristimulus value (X 2 , Y 2 , Z 2 ) of the colored material obtained by the measurement is obtained, and the CCM calculation is used to calculate the second color material mixture formulation (A 2 , B 2 , C 2 )
When calculating the color matching using this, the third color material mixture prescription is calculated by the following formula A 3 using the positive coefficient m, n (however, m> n) which is the correction coefficient obtained by the experiment. = MA 1 -nA 2 B 3 = mB 1 -nB 2 C 3 = mC 1 -nC 2 .
激値（X1,Y1,Z1）により第１回のCCM計算による色材配
合処方（A1,B1,C1）を求め、これにより１回の着色試行
を行ない、これによって得らた着色物の計測による第２
回目の三刺激値（X2,Y2,Z2）と、実験により得られた補
正係数である正数m,n（但し、ｍ＞ｎ）を用いて次式 X3＝mX1−nX2 Y3＝mY1−nY2 Z3＝mZ1−nZ2 により第３回目の三刺激値（X3,Y3,Z3）を求め、その結
果に基づき第２回目のCCM計算により色材配合処方（A2,
B2,C2）を求めることを特徴とする色材配合における色
合せ処方修正方法。2. A color material mixture prescription (A 1 , B 1 , C 1 by a first CCM calculation based on tristimulus values (X 1 , Y 1 , Z 1 ) of a first measurement of a target color sample. ) Is obtained, and one trial of coloring is carried out based on the obtained
Using the third tristimulus values (X 2 , Y 2 , Z 2 ) and the positive numbers m and n (where m> n) that are experimentally obtained correction factors, the following equation X 3 = mX 1 −nX 2 Y 3 = mY 1 −nY 2 Z 3 = mZ 1 −nZ 2 is used to obtain the third tristimulus value (X 3 , Y 3 , Z 3 ), and the color is calculated by the second CCM calculation based on the result. Material mix prescription (A 2 ,
A method for correcting a color matching prescription in a color material mixture, characterized by obtaining B 2 , C 2 ).
Z1）より算出される色濃度値C1 ＊と第１回のCCM計算に
よる色材配合処方による着色物の三刺激値（X2,Y2,Z2）
とから算出される色濃度値C2 ＊との比C1 ＊/C2 ＊を用い
て実験より得た補正係数である正数ｍを次式「m1＝ｍ×
（C1 ＊/C2 ＊）」の如く補正することを特徴とする特許
請求の範囲第１項又は第２項記載の色材配合における色
合せ処方修正方法。3. Tristimulus values (X 1 , Y 1 ,
Color density value C 1 * calculated from Z 1 ), and tristimulus values (X 2 , Y 2 , Z 2 ) of the colored material according to the color material mixture prescription by the first CCM calculation.
Using the ratio C 1 * / C 2 * with the color density value C 2 * calculated from and, a positive number m, which is a correction coefficient obtained from the experiment, is expressed by the following equation “m 1 = m ×
(C 1 * / C 2 * ) ”, the method for correcting a color matching prescription in a color material mixture according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58171614A JPH0776712B2 (en) | 1983-09-16 | 1983-09-16 | Correcting method of color matching prescription in blending color materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58171614A JPH0776712B2 (en) | 1983-09-16 | 1983-09-16 | Correcting method of color matching prescription in blending color materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6063429A JPS6063429A (en) | 1985-04-11 |
| JPH0776712B2 true JPH0776712B2 (en) | 1995-08-16 |
Family
ID=15926432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58171614A Expired - Lifetime JPH0776712B2 (en) | 1983-09-16 | 1983-09-16 | Correcting method of color matching prescription in blending color materials |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0776712B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6211119A (en) * | 1985-07-09 | 1987-01-20 | Suga Shikenki Kk | Color mixture calculator |
| GB2178628B (en) * | 1985-07-31 | 1989-08-16 | Gerber Scient Inc | Apparatus and method for determining a colour for use in a garment design |
| JPH01129123A (en) * | 1987-11-13 | 1989-05-22 | Kanebo Ltd | Determining method of dyeing formulation in computer color matching |
| JPH0786433B2 (en) * | 1990-05-22 | 1995-09-20 | 支朗 臼井 | Color vision information conversion method and device |
| CN102560939A (en) * | 2010-12-07 | 2012-07-11 | 天津纺织工程研究院有限公司 | Full-automatic high precision color matching method |
-
1983
- 1983-09-16 JP JP58171614A patent/JPH0776712B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| 日立評論第５６巻第９号（１９７４年）等１９〜２４頁 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6063429A (en) | 1985-04-11 |
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