CN102456097A - Method for identifying authenticity of Jingdezhen plum vases in all ages by utilizing porcelain shape structure digitalization - Google Patents
Method for identifying authenticity of Jingdezhen plum vases in all ages by utilizing porcelain shape structure digitalization Download PDFInfo
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Abstract
The invention relates to a method for identifying the authenticity of Jingdezhen plum vases in all ages by utilizing porcelain shape structure digitalization. The front view of the plum vase is subjected to data acquisition and conversion by adopting a wavelet-analysis-based boundary extraction method, least-square-method-based curve fitting and function extremum analysis in Matlab software; a characteristic value database of the heights, the maximum radiuses of upper abdomens, the minimum radiuses of lower abdomens, the radiuses of vase openings, the heights and curvatures of the parts of the upper abdomens with the maximum radiuses, the heights and curvatures of the parts of the lower abdomens with the minimum radiuses, bottom diameters and the like of the Jingdezhen plum vases in all ages is established; proportional relations among numerical characteristic values are calculated, and the characteristics and changing rules of the proportional relations in different development stages are generalized by adopting a mathematical statistics method; corresponding authenticity identification functions for different ages are established according to the characteristics and changing rules of the proportional relations; and for any unknown Jingdezhen plum vase porcelain in all ages, the authenticity of the plum vase porcelain can be identified by acquiring the porcelain shape digitalization data of the plum vase porcelain by adopting the same method and substituting analytical data into an identification function for calculation. The method is highly scientific and practical, easy to operate, and remarkable in economic benefit and social benefit and can meet the requirements of field testing and identification; an identification result is accurate; and samples are completely nondestructive.
Description
Technical field
The present invention relates to ancient pottery and porcelain and identify the field, the type architecture digitalization of especially utilizing the ancient pottery and porcelain implements is carried out the method that science and technology is identified to the outstanding representative Jing Dezhen successive dynasties plum vase of Chinese ancient porcelain.
Background technology
In the whole world growing relic collection and auction marketplace, the Chinese pottery collectibles always are focuses of auction marketplace, and auction price is constantly high.The terrible millet of continuing is gone down the hill in Christie " Chinese pottery, technology elaboration and the export trade handicraft " auction that Yuan Dynasty's Jing Dezhen Blue and White Jar holds in London in July, 2005; After being bought by wall street one entrepreneur with more than 2,770 ten thousand dollars (2.3 hundred million yuan of Renminbi); In November, 2010 is in the private legacy auction that Banbridge this auction room in London holds; Clear Qianrong Jing Dezhen powder enamel hollow out porcelain vase strikes a bargain with the sky-high price of 5,160 ten thousand pounds (5.5 hundred million yuan of Renminbi), makes it become the most expensive ceramics in the whole world.Therefore; Under the driving of tremendous economic interests, some lawless persons mix the spurious with the genuine or illegally smuggling, to China Jing Dezhen successive dynasties porcelain fake and the phenomenon of smuggling very serious; Both impacted market on the one hand; Caused enormous economic loss for many mechanisms and individual, simultaneously, it is overseas to make that again the many rare cultural relics of China run off.Therefore identification of means how to set up and improve a cover science becomes the focus of social concerns.
In the last hundred years, people normally with traditional " order mirror " mode to the Chinese ancient porcelain source division of history into periods of breaking.Its disconnected source division of history into periods mainly relies on assessor's sense organ, and therefore, same implements are identified through different assessors, occur distinct conclusion sometimes.In view of this, people are when constantly enriching and improving traditional identification method, also at the new authentication method of exploring by means of natural technological means.Up to now; What the modern science technological means was applied to that ancient pottery and porcelain science and technology differentiates mainly contains two kinds; Be respectively thermoluminescence technology and energy dispersion xrf analysis technology, yet thermoluminescent method have certain destructiveness to implements; To can't clearly preserving the implements of environment, its error at measurment is bigger simultaneously.And, be difficult to the branch evident to Counterfeit Item through x-ray bombardment; And the energy-dispersive X-ray fluorescence (EDXRF) authentication method also has certain limitation; Promptly; If forming at any time, the element of certain type ancient pottery and porcelain do not have the obvious variation rule, with the validity that directly influences its qualification result, in addition for difference; Thermoluminescence survey technology and energy dispersion xrf analysis technology institute use equipment all exist cost an arm and a leg, not portable, shortcoming that dirigibility is relatively poor, restricted carrying out of ancient pottery and porcelain evaluation work to a certain extent.At present; Begin one's study other scientific and technological authentication method of existing relevant scholar; As: to the method " a kind of method of utilizing colourity and density to identify the Jing Dezhen successive dynasties government porcelain kiln blue and white porcelain true and false " of the discriminating of Jing Dezhen successive dynasties government porcelain kiln blue and white porcelain true and false gain the national patent (patent No. CN201010120823.X), but the test of implements density is not easy to operate to big part implements evaluation in this method.Therefore, further replenish and to research and develop new scientific and technological authenticate technology and method extremely urgent.
Summary of the invention
The objective of the invention is to the deficiency to present various ancient pottery and porcelain authentication methods,, research and develop a kind of scientific and technological authentication method of easy, accurate and harmless Jing Dezhen successive dynasties plum vase according to the characteristics of China Jing Dezhen successive dynasties plum vase.
The method of utilizing the type architecture digital evaluation Jing Dezhen successive dynasties plum vase true and false provided by the invention, undertaken by following step successively:
1) front view of extensively gathering plum vase in representative Jing Dezhen successive dynasties plum vase sample front view and each kiln report on the excavation of Jing Dezhen is as sample;
2) adopt in the Matlab software based on the Boundary Extraction method of wavelet analysis extract each plum vase sample front view the border, again the curve fitting based on least square method is carried out on the border; Then fitting function is carried out extreme value analysis; Find out logical high a, upper abdomen maximum radius b, lower abdomen least radius c, bottleneck radius d, the high e in upper abdomen maximum radius place, the curvature k8 of upper abdomen maximum radius place, the high f in lower abdomen least radius place, the curvature k9 of lower abdomen least radius place and footpath, the end g data value of plum vase; Simultaneously according to k1=e/a, k2=f/a, k3=b/c, k4=a/b, k5=a/d, k6=a/g, k7=a; Calculate various characteristic k1, k2, k3, k4, k5, k6, k7, and set up database with resulting data; Set up discriminant function (F1), (F2) of Jing Dezhen plum vase typical case characteristics of the times through the multivariate statistical analysis method, the discriminant function of being set up is following:
F1=0.0204*k1-0.0007*k2+0.2193*k3+0.1769*k4+0.2928*k5+0.2934*k6+0.2808*k7+0.0672*k8-0.0065*k9
F2=0.3259*k1+0.4953*k2-0.2362*k3+0.2959*k4+0.0782*k5-0.0567*k6+0.0025*k7-0.2037*k8-0.0208*k9；
Draw out plum vase type characterization factor figure with the Mathematical Statistics Analysis mapping software again;
3) adopt in the Matlab software Boundary Extraction method based on wavelet analysis, based on the curve fitting and the extreme value of a function analysis of least square method; The front view of plum vase to be identified is carried out the collection and the conversion of above-mentioned corresponding data; Obtain logical height, upper abdomen maximum radius, lower abdomen least radius, bottleneck radius, upper abdomen maximum radius place's height and curvature, lower abdomen least radius place's height and curvature and footpath, the end data value of plum vase to be identified, calculated characteristics numerical value proportionate relationship.
4) data of plum vase to be identified are input in the discriminant function calculate, and compare, can provide and identify and differentiate the result with differentiating factor graph.
The acquisition of technical scheme of the present invention has following theoretical background: Jing Dezhen produces porcelain since five generations, and the Song dynasty is produced shadowy blue glaze porcelain and well-known.And head establishes that special porcelain making operated by official bodies mechanism---Fuliang magnetic office indicates that the Jing Dezhen porcelain combines tightr with society and politics, culture background in Jing Dezhen in Yuan Dynasty local authorities.The Ming Dynasty court of a feudal ruler more in Jing Dezhen Pearl Mountain set up Yu Yaochang, make Chinese porcelain production progress into a period of great prosperity, outshine othersOne branch of the tree is particularly thriving at home and even in the world.Along with the emergence of Jing Dezhen kiln, the influence of the porcelain in Jing Dezhen has fed through to all parts of the country.In very long Jing Dezhen porcelain sintering procedure, its product-forming is not unalterable, but changes along with society and politics, culture background even imperial palace cultural influence.
Wherein, plum vase is a kind of common bottle formula in the porcelain in ancient times, and it comes from China's the Tang Dynasty, finalizes the design in the common cave of Northern Song Dynasty, go through Tang, Song, unit, bright, reach modern times clearly, officials and civilians' kiln is competitively produced.Its basic styling is characterized as osculum, short neck, rich shoulder, and upper abdomen is perfectly round big and fleshy, and lower abdomen is containing, condiment such as device body earless, ring, and the figure is slender, beautiful design.Plum vase is mainly display, is viewed and admired furnishings and offer a sacrifice to gods or ancestors implements as splendid attire drinking vessel, flower arrangement in history; It is the stuff that the kinsman of the emperor of successive dynasties and high-level officials enjoy before death; Thing in their tomb that after death is buried with the dead of Chang Zuowei is one type of very important type in ancient pottery and porcelain again.Jing Dezhen is burnt since the Song dynasty and is made plum vase, and type was slender slim and graceful at that time; Yuan Dynasty's implements moulding one anti-Song dynasty style is tall and big rough; Ming Dynasty's moulding is beautiful primitive and crude, pure and fresh grace, and Qing Dynasty's plum vase is then changed the moulding that Ming Dynasty's shoulder circle hangs down, and how rich shoulder be straight.The pottery of different times; Type has tangible difference; And modern Counterfeit Item since be difficult at aspects such as carcass raw material, chemical composition, forming technology and burning process with ancient times genuine piece be consistent, thereby the device shape size of Counterfeit Item and genuine piece more or less there are differences.This is that the antique pottery porcelain eye is learned one of important evidence of identifying.Yet, when learn identifying porcelain in ancient times such as plum vase with eye, because surveyor's cultural quality, knowledge, outlook, mind and phychology separately has nothing in common with each other; And the many exquisite part of traditional identification method, often understanding by thinking cannot be explained in words, the deficiency in objective standard; Individual's subjective consciousness often has material impact to expert's conclusion; Same implements are identified through different assessors, occur distinct conclusion sometimes unexpectedly.In this case, how introducing modern science and technology, tradition eye is learned a method of identifying advance a systematization, scientific and theorize, is that ancient pottery and porcelain is identified one of field problem demanding prompt solution.
In view of this; We can adopt in the Matlab software Boundary Extraction method based on wavelet analysis, based on the curve fitting and the extreme value of a function analysis of least square method; Front view to plum vase carries out data acquisition and conversion; Gather the data such as logical height, upper abdomen maximum radius, lower abdomen least radius, bottleneck radius, upper abdomen maximum radius place height, upper abdomen maximum radius place curvature, lower abdomen least radius place height, lower abdomen least radius place's curvature and footpath, the end of plum vase; Calculated characteristics numerical value proportionate relationship, and utilize multivariate statistical analysis methods analyst measurement data, can set up Jing Dezhen successive dynasties plum vase the genuine/counterfeit discriminating function.
Of the present invention and traditional authentication method is compared has following beneficial effect:
1) harmless fully to sample;
2) experimental implementation and process are simple;
3) only need common mapping instrument and computer, make things convenient for on-the-spot test and evaluation;
4) scientific strong, practical, have extraordinary economic benefit and social benefit.
Description of drawings
Fig. 1 is a plum vase front view according to the invention.
Fig. 2 plum vase type characterization factor load diagram.
Fig. 3 is an overview flow chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
1) gathers the Front view 1 of plum vase in representative Jing Dezhen successive dynasties plum vase sample front view and each kiln report on the excavation of Jing Dezhen;
2) adopt in the Matlab software Boundary Extraction method based on wavelet analysis, based on the curve fitting and the extreme value of a function analysis of least square method; Front view to plum vase carries out data acquisition and conversion, obtains the data 2 such as logical high a, upper abdomen maximum radius b, lower abdomen least radius c, bottleneck radius d, the high e in upper abdomen maximum radius place and curvature k8, the high f in lower abdomen least radius place and curvature k9 and end footpath g of plum vase;
3) calculate data 3 such as k1, k2, k3, k4, k5, k6, k7, k8, k9;
Wherein:
k1=e/a；
k2=f/a；
k3=b/c；
k4=a/b；
k5=a/d；
k6=a/g；
k7=a；
K8=upper abdomen maximum radius place curvature;
K9=lower abdomen least radius place curvature
4) set up the type architecture digital database 4 of Jing Dezhen successive dynasties plum vase;
5) the type structured data to Jing Dezhen successive dynasties plum vase carries out multivariate statistical analysis, seeks and establish the discriminant function 5 of Jing Dezhen plum vase typical case characteristics of the times;
The discriminant function of being set up is following:
F1=0.0204*k1-0.0007*k2+0.2193*k3+0.1769*k4+0.2928*k5+0.2934*k6+0.2808*k7+0.0672*k8-0.0065*k9
F2=0.3259*k1+0.4953*k2-0.2362*k3+0.2959*k4+0.0782*k5-0.0567*k6+0.0025*k7-0.2037*k8-0.0208*k9
6) with SPSS statistical software analysis and distinguishing function (F1), (F2) and be depicted as plum vase type characterization factor Fig. 6;
7) data 7 of measurement plum vase to be identified, and calculated characteristics numerical value proportionate relationship 8;
8) adopt in the Matlab software Boundary Extraction method based on wavelet analysis, based on the curve fitting and the extreme value of a function analysis of least square method; Front view to plum vase to be identified carries out data acquisition and conversion; The measurement data 7 and the computational data 8 that obtain plum vase to be identified are input in the discriminant function and calculate, and compare with differentiating factor graph, if result of calculation falls in the corresponding dynasty zone of factor graph; Can judge that then plum vase to be identified is a genuine piece 9, otherwise be Counterfeit Item 10.
Embodiment 1
At first; Adopt in the Matlab software Boundary Extraction method based on wavelet analysis, based on the curve fitting and the extreme value of a function analysis of least square method; There is the front view of the plum vase of " big clear Kangxu's year system " back stamp to carry out data acquisition and conversion to 2 bottoms; Obtain logical high a, upper abdomen maximum radius b, lower abdomen least radius c, bottleneck radius d, the high e in upper abdomen maximum radius place and song (k8, the high f in lower abdomen least radius place and curvature k9 and footpath, the end g data of plum vase; Calculate various characteristics simultaneously, the result lists in table 1; Again above-mentioned data substitution discriminant function is calculated.Result of calculation is:
The discriminant score F1=8.73 of KX-1, F2=-1.80, contrast plum vase type characterization factor figure falls among the figure in Qing Dynasty's scope, and therefore, it is Qing Dynasty's plum vase for a decidable;
The discriminant score F1=-12.96 of KX-2, F2=-1.96, contrast plum vase type characterization factor figure falls among the figure outside Qing Dynasty's scope, so decidable is non-big clear Kangxu's this year system plum porcelain, is imitative article.
It is thus clear that, adopt the method for utilizing the type architecture digital evaluation Jing Dezhen successive dynasties plum porcelain true and false according to the invention can differentiate the true and false of Jing Dezhen successive dynasties plum vase exactly, have extraordinary social benefit and economic benefit.
2 " big clear Kangxu's year system " money plum vase data that table 1 is to be identified
| The numerical value title | KX-1 | KX-2 |
| k1 | 0.717 | 0.702 |
| k2 | 0.1118 | 0.147 |
| k3 | 1.972 | 1.672 |
| k4 | 1.410 | 3 |
| k5 | 6.235 | 6.228 |
| k6 | 2.684 | 0.987 |
| k7 | 16.6 | 31.6 |
| k8 | 11.594 | 15.9 |
| k9 | 2.873 | 1.211 |
Claims (1)
1. method of utilizing the type architecture digital evaluation Jing Dezhen successive dynasties plum vase true and false is characterized in that being undertaken by following step successively:
1) front view of extensively gathering plum vase in representative Jing Dezhen successive dynasties plum vase sample front view and each kiln report on the excavation of Jing Dezhen is as sample;
2) adopt in the Matlab software based on the Boundary Extraction method of wavelet analysis extract each plum vase sample front view the border, again the curve fitting based on least square method is carried out on the border; Then fitting function is carried out extreme value analysis; Find out logical high a, upper abdomen maximum radius b, lower abdomen least radius c, bottleneck radius d, the high e in upper abdomen maximum radius place, the curvature k8 of upper abdomen maximum radius place, the high f in lower abdomen least radius place, the curvature k9 of lower abdomen least radius place and footpath, the end g data value of plum vase; Simultaneously according to k1=e/a, k2=f/a, k3=b/c, k4=a/b, k5=a/d, k6=a/g, k7=a; Calculate various characteristic k1, k2, k3, k4, k5, k6, k7, and set up database with above-mentioned resulting data value; Set up two the discriminant function F1 and the F2 of Jing Dezhen plum vase typical case characteristics of the times through the multivariate statistical analysis method, F1 and F2 functional expression are:
F1=0.0204*k1-0.0007*k2+0.2193*k3+0.1769*k4+0.2928*k5+0.2934*k6+0.2808*k7+0.0672*k8-0.0065*k9
F2=0.3259*k1+0.4953*k2-0.2362*k3+0.2959*k4+0.0782*k5-0.0567*k6+0.0025*k7-0.2037*k8-0.0208*k9；
Again with SPSS statistical software analysis and distinguishing function F 1 with F2 and be depicted as plum vase type characterization factor figure;
3) adopt in the Matlab software Boundary Extraction method based on wavelet analysis, based on the curve fitting and the extreme value of a function analysis of least square method; The front view of plum vase to be identified is carried out the collection and the conversion of above-mentioned corresponding data; Obtain logical height, upper abdomen maximum radius, lower abdomen least radius, bottleneck radius, upper abdomen maximum radius place's height and curvature, lower abdomen least radius place's height and curvature and footpath, the end data value of plum vase to be identified, and the calculated characteristics data value;
4) the above-mentioned resulting data value of plum vase to be identified is input in the discriminant function calculates, and compare, can provide and identify and differentiate the result with differentiating factor graph.
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| CN109191145A (en) * | 2018-08-05 | 2019-01-11 | 江西省驰芳艺术品评估鉴定有限公司 | For carrying out the database building method and art work age method of discrimination of age differentiation to the art work |
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| US20030167845A1 (en) * | 2001-07-10 | 2003-09-11 | Stefan Maetschke | Defect identification in bodies consisting of brittle material |
| CN101324532A (en) * | 2007-06-13 | 2008-12-17 | 廖鑑波 | Method for identifying ancient ceramic microscopic science air blister characteristic |
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Patent Citations (3)
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| US20030167845A1 (en) * | 2001-07-10 | 2003-09-11 | Stefan Maetschke | Defect identification in bodies consisting of brittle material |
| CN101324532A (en) * | 2007-06-13 | 2008-12-17 | 廖鑑波 | Method for identifying ancient ceramic microscopic science air blister characteristic |
| CN101776481A (en) * | 2010-03-09 | 2010-07-14 | 景德镇陶瓷学院 | Identification method of Jingdezhen ancient officialware blue and white porcelain by using chromaticity and density |
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| 罗宏杰等: "不同历史时期耀州窑碗器型结构特征之研究", 《中国陶瓷工业》, vol. 10, no. 6, 31 December 2003 (2003-12-31), pages 1 - 4 * |
Cited By (2)
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| CN109191145A (en) * | 2018-08-05 | 2019-01-11 | 江西省驰芳艺术品评估鉴定有限公司 | For carrying out the database building method and art work age method of discrimination of age differentiation to the art work |
| CN109191145B (en) * | 2018-08-05 | 2022-03-01 | 江西省驰芳艺术品评估鉴定有限公司 | Database establishing method for judging times of art and method for judging times of art |
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