CN104166839A - Method and system for calligraphy and painting authentication - Google Patents
Method and system for calligraphy and painting authentication Download PDFInfo
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- CN104166839A CN104166839A CN201410344419.9A CN201410344419A CN104166839A CN 104166839 A CN104166839 A CN 104166839A CN 201410344419 A CN201410344419 A CN 201410344419A CN 104166839 A CN104166839 A CN 104166839A
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Abstract
The invention relates to a method and system for calligraphy and painting authentication. The method comprises: a, scanning a non-fiber feature point; b, defining a coordinate of the non-fiber feature point; c, carrying out storage; and d, carrying out authentication. In addition, the system consists of a scanning unit, a coordinate unit, a storage unit, and an authentication unit. According to the method and system, the suspected calligraphy and painting works can be authenticated by authenticating the non-fiber feature points in the carrier material fiber layers of the calligraphy and painting works and that is, authentication is carried out based on the physical forms of the calligraphy and painting works, thereby enhancing reliability of the authentication result. And the suspected works also can be authenticated based on the art forms of the calligraphy and painting works.
Description
Technical field
The present invention relates to a kind of painting and calligraphy authenticity method and system, belong to painting and calligraphy qualification field.
Background technology
Painting and calligraphy market is hard to tell whether it is true or false now, and fakement is in the majority.Aspect qualification, the modern use without printing techniques such as the micro-sprays of net, even if make connoisseur by certain scientific and technical means, also indistinguishable again.Aspect false proof, the well-known expert of calligraphy and painting of part, also by modern anti-counterfeiting technology, such as miniature electronic chip, DNA ink, or the technology such as code anti-fake is false proof to the painting and calligraphy pieces of oneself, but above-mentioned anti-counterfeiting technology is subject to certain limitation in publicity.And existing Partial Characterization technology, due to equipment precision, qualification cycle is long, is difficult for generally promoting and being suitable for.
CN101853364 discloses a kind of method for anti-counterfeit of Chinese Painting and Calligraphy, its step is as follows: 1) detect by author and painting and calligraphy the staff that puts on record and in the original work of Chinese Painting and Calligraphy, calibrate some specified points, this specified point comprises: blank rice paper place specified point, mass colour adheres to paper place specified point, and a trace place or the many places of place in specified point that combine with paper; 2) utilize micro magnifier obtaining step 1) in the micron order at each specified point place or the microscopic pattern image of nano level fiber and mass colour or trace that calibrate; 3) exact position on the general image of original work and microscopic pattern image by each specified point, and the general image of original work deposits in database; 4) utilize micro magnifier to obtain on doubtful works and the fiber at the each respective specific point of original work place and the microscopic pattern image of mass colour or trace, and contrast with the microscopic pattern image at the respective specific point place on the original work of recording in database; If microscopic pattern image is identical, be genuine piece, if microscopic pattern image is different, be imitative product.It calibrates some specified points in advance in original work, then by the fiber microscopic pattern of respective specific point in fakement, compares with the fiber microscopic pattern of this specified point in original work.But under microscopic state, locate some points very difficult, micron of deviations, fiber microscopic pattern is just completely different.
Painting and calligraphy pieces is to be used the materials such as thin,tough silk, paper, China ink, seal by artist, carries out the creation of figure, trace, has formed physical form and artistic form, and imitated person will copy aspect above two, to reaching the object of mixing the spurious with the genuine.Prior art can not, from physical form and two aspects of artistic form, be differentiated imitative product simply, reliably.
For imitated person's mode, the present invention, aspect two of the physical form of painting and calligraphy pieces and artistic forms, seeks objective evidence.
Summary of the invention
The inventor detects discovery after deliberation, painting and calligraphy pieces material used generally includes thin,tough silk, paper, cloth etc., the main composition composition of these materials is fiber, and its production technology is complicated, other compositions of non-fiber composition are sneaked in process of production inevasible meeting, are defined as non-fiber characteristics point at this.These non-fiber characteristics points distribute unique random, come in every shape, and feature is obvious, have possessed the objective discrimination key element as painting and calligraphy pieces qualification, discern the false from the genuine from the physical form of painting and calligraphy pieces.Separately, painting and calligraphy pieces, on carrier, exists with graphics track, and same people makees same subject matter, and its graphics track can not be identical.To the contrast of its graphics track, possess equally the objective discrimination key element of painting and calligraphy pieces qualification, discern the false from the genuine from the artistic form of painting and calligraphy pieces.
The technical problem to be solved in the present invention is to provide a kind of painting and calligraphy authenticity method and system, distinguishes the true and false of doubtful works by the non-fiber characteristics point in discriminating painting and calligraphy pieces carrier material fibrage, discerns the false from the genuine from the physical form of painting and calligraphy pieces.In addition, in order to increase the reliability of identification result, a kind of painting and calligraphy authenticity method and system provided by the invention, distinguish the true and false of doubtful works from the artistic form of painting and calligraphy pieces.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme:
(1) a painting and calligraphy authenticity method, comprises the following steps:
A. scan non-fiber characteristics point: scan and find the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage with microscope;
B. define non-fiber characteristics point coordinate: the non-fiber characteristics point that scanning is obtained carries out physical location range finding, calibrates the microscopic scope coordinate of described non-fiber characteristics point in painting and calligraphy original work;
Described physical location is microscopic position, and described microscopic scope coordinate is microscope observation position scope on painting and calligraphy pieces.Described demarcation is taking the base of painting and calligraphy pieces forward starting point apart from as x
1axle, left side distance is y
1axle, top margin is x
2axle, rightmargin is y
2axle, measures respectively x with measuring instrument
1axle, y
1axle, x
2axle, y
2axle and micro objective distance, form the observation position rectangular area of micro objective apart from above-mentioned four axles thus;
C. storage: deposit non-fiber characteristics point aspect graph picture, coordinate and original work general image in database;
D. qualification: transfer non-fiber characteristics point storage data in step c, according to the non-fiber characteristics point coordinate obtaining in step c, scan the corresponding coordinate of doubtful works, and in the image that the doubtful works of scanning are obtained and step c, non-fiber characteristics point storage data compare.
(2) according to the method (1) described, in described step a, scan method is to amplify 50-200 doubly with microscope, optical imagery is converted to analog video electric signal, through video collector collection and be converted to digital signal, scanning painting and calligraphy original work in display screen or computer screen, find the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage.
(3) according to the method (1) or (2) described, between step b and c, also comprise:
B
1. imaging: the non-fiber characteristics point obtaining in step a is carried out to optical imagery, and optical imagery is converted to digital picture;
B
2. process: to step b
1described in the digital picture of non-fiber characteristics point carry out post-processed, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates, extract the eigenwert image of non-fiber characteristics point.
(4) according to the method described in any one of (1)-(3), b
1described in step, optical imagery being converted to digital picture, is that microscope ocular is connected with single anti-digital camera, and optical imagery is carried out to digitizing.
Described connection and digitizing, with the switching cylinder that is accompanied with optical lens group sheet, interface thread, be connected microscope ocular with single anti-digital camera, the non-fiber characteristics point observing is carried out to microscopic photography, and the optical imagery observing is carried out to digital picture conversion.
(5), according to the method described in any one of (1)-(4), described a step finds with microscope scanning two or more non-fiber characteristics points that are distributed in painting and calligraphy original work work carrier material fibrage; Build the two-dimentional relation between each non-fiber characteristics point, and this two-dimentional relation and non-fiber characteristics point aspect graph picture, coordinate and original work general image are deposited in database in the lump.
(6) according to the method described in any one of (1)-(4), also comprise:
E. painting and calligraphy original work full figure imaging: take painting and calligraphy original work full figure with digital camera, record shooting environmental parameter; Described shooting environmental parameter comprise f-number, focal length, exposure value, photoenvironment and digital camera apart from taking the physical distance information of painting and calligraphy pieces;
F. painting and calligraphy original work image processing: to painting and calligraphy pieces full figure digital picture post-processed in step e, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract works full figure contour feature value;
G. grid covers: digital picture in step f is carried out to mesh lines covering, make full figure contour feature value digital picture;
H. painting and calligraphy original work view data storage: deposit full figure contour feature digital picture in shooting environmental parameter and step g in step e in database;
I. works image authentication: transfer shooting environmental parameter and full figure contour feature digital picture in step h, process doubtful works according to step e, step f, step g, and with database in the stack contrast of full figure contour feature digital picture.
(7) a painting and calligraphy authenticity system, described system comprises:
Scanning element: comprise microscope, the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage is found in scanning;
Coordinate unit: comprise measuring instrument, measure the physical location of the non-fiber characteristics point obtaining in scanning element, calibrate described non-fiber characteristics point microscopic scope coordinate in painting and calligraphy original work;
Storage unit: comprise database, store aspect graph picture, coordinate and the original work general image of non-fiber characteristics point;
Qualification unit: transfer non-fiber characteristics point storage data in storage unit, according to the non-fiber characteristics point coordinate in storage unit, scan the corresponding coordinate of doubtful works, and in the data that the doubtful works of scanning are obtained and storage unit, non-fiber characteristics point storage data compare.
(8) according to the system (7) described, described scanning element also comprises photoelectric signal converter, video collector and display screen or computer screen, optical imagery is converted to analog video electric signal by photoelectric signal converter, through video collector collection and be converted to digital signal.
(9) according to the system (7) or (8) described, described system also comprises:
Image-generating unit: microscope ocular is connected with single anti-digital camera, optical imagery is carried out to digitizing and be converted to digital picture;
Processing unit: the digital picture of non-fiber characteristics point described in image-generating unit is carried out to post-processed, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract the eigenwert image of non-fiber characteristics point.
(10) according to the system described in any one of (7)-(9), image-generating unit is a kind of device that optical imagery is converted to digital picture, and this device comprises single anti-digital camera fuselage, optical lens group sheet, switching cylinder and optical microscope with interface thread.By optical lens group sheet with the switching cylinder of interface thread, single anti-digital camera fuselage is connected with the eyepiece of microscope head.
(11) according to the system described in any one of (7)-(10), described optical microscope comprises base, column, gimbals, microscope head, light source.Described column is arranged on base, and described gimbals are arranged on column, and described microscope head is arranged on gimbals, and described light source is arranged on microscope head, and described light source is by dimming power source capable of regulating illumination intensity.
(12) according to the system described in any one of (7)-(11), described system also comprises:
Painting and calligraphy original work full figure image-generating unit: comprise digital camera, take painting and calligraphy original work full figure, record shooting environmental parameter, described shooting environmental parameter comprises the physical distance information of f-number, focal length, exposure value, photoenvironment and digital camera institute apart from shooting painting and calligraphy pieces;
Painting and calligraphy original work graphics processing unit: the digital picture of painting and calligraphy pieces full figure is carried out to post-processed, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract works full figure contour feature value;
Grid capping unit: the digital picture of painting and calligraphy pieces full figure after treatment is carried out to mesh lines covering, make full figure contour feature value digital picture;
Painting and calligraphy original work image data memory cell: deposit the shooting environmental parameter in painting and calligraphy original work full figure image-generating unit and the full figure contour feature digital picture in grid capping unit in database;
Works image authentication unit: transfer shooting environmental parameter and full figure contour feature digital picture in painting and calligraphy original work image data memory cell, process doubtful works with painting and calligraphy original work full figure image-generating unit, painting and calligraphy original work graphics processing unit and grid capping unit, and with database in full figure contour feature digital picture stack contrast.
A kind of painting and calligraphy authenticity method and system provided by the invention, by differentiating that non-fiber characteristics point in painting and calligraphy pieces carrier material fibrage distinguishes the true and false of doubtful works, discern the false from the genuine from the physical form of painting and calligraphy pieces; In order to increase the reliability of identification result, also distinguish the true and false of doubtful works from the artistic form of painting and calligraphy pieces.A kind of painting and calligraphy authenticity method and system provided by the invention have the following advantages:
(1) painting and calligraphy pieces material used generally includes thin,tough silk, paper, cloth etc., the non-fiber composition of sneaking in its production technology, is present in fibrage.Under microscopic state, the non-fiber characteristics point of having on carrier arbitrarily, all possess come in every shape, feature that none is identical, according to method of the present invention and step, extract the non-fiber characteristics point in painting and calligraphy pieces carrier fibre layer, can easy proof painting and calligraphy pieces carrier unique, discern the false from the genuine from the physical form of painting and calligraphy pieces.
(2) painting and calligraphy pieces, on carrier, exists with graphics track, and except application scanning, micro-spray technology, even if same people makees same subject matter, its graphics track can not be identical.According to method of the present invention and step, painting and calligraphy pieces full figure contour feature digital picture comparison, whether graphics track that can easy proof painting and calligraphy pieces is identical, discerns the false from the genuine from the artistic form of painting and calligraphy pieces.
(3), according to method of the present invention and step, to the newly-increased painting and calligraphy pieces of artistic market, gather after file the imitative product of distinguishing painting and calligraphy pieces that can be very easy.Differentiate the unique of painting and calligraphy pieces carrier from physical form, differentiate the identical of painting and calligraphy pieces graphics track from the artistic form of painting and calligraphy pieces, possess objective discrimination logic.
Brief description of the drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is certain painting and calligraphy pieces original work;
Fig. 2 is the imitative product of certain painting and calligraphy pieces;
Fig. 3 is for demarcating microscopic position coordinates schematic diagram;
Fig. 4 is that certain painting and calligraphy pieces original work amplifies the non-fiber characteristics point aspect graph picture of 100 times;
Fig. 5 is that the imitative product of certain painting and calligraphy pieces amplify the non-fiber characteristics point aspect graph picture of 100 times;
Fig. 6 is that the non-fiber characteristics point in Fig. 4 is removed the non-fiber characteristics point aspect graph picture after material fibrage;
Fig. 7 is that the non-fiber characteristics point in Fig. 5 is removed the non-fiber characteristics point aspect graph picture after material fibrage;
Fig. 8 is certain painting and calligraphy pieces original work full figure contour feature value image;
Fig. 9 is the imitative product full figure contour feature value image of certain painting and calligraphy pieces;
Figure 10 is the equipment mechanism schematic diagram that optical imagery is converted to digital picture.
In figure, 1 is single anti-digital camera fuselage, 2 is optical lens group sheet, and 3 is the switching cylinder with interface thread, and 4 is the rigging position of single anti-digital camera in whole device, 5 for optical lens group sheet be combined in the rigging position in whole device with the switching cylinder of interface thread, 6 is microscope head, and 7 is light source, and 8 is gimbals, 9 is column, 10 is dimming power source, and 11 is base, and 12 is works to be checked.
Embodiment
Embodiment 1:
As Figure 1-5, a kind of painting and calligraphy authenticity method, comprises the following steps:
A. scan non-fiber characteristics point: find with microscope scanning the non-fiber characteristics point being distributed in painting and calligraphy original work works (as shown in Figure 1) carrier material fibrage, find one of them aspect graph as obvious non-fiber characteristics point (as shown in Figure 4).
B. define non-fiber characteristics point coordinate: the non-fiber characteristics point that scanning is obtained carries out physical location range finding, calibrates the microscopic scope coordinate of described non-fiber characteristics point in painting and calligraphy original work; Described physical location is microscopic position, and described microscopic scope coordinate is microscope observation position scope on painting and calligraphy pieces.Described demarcation is taking the base of painting and calligraphy pieces forward starting point apart from as x
1axle, left side distance is y
1axle, top margin is x
2axle, rightmargin is y
2axle, measures respectively x with measuring instrument
1axle, y
1axle, x
2axle, y
2axle and micro objective distance, form the observation position rectangular area (as shown in Figure 3) of micro objective apart from above-mentioned four axles thus.
C. storage: deposit non-fiber characteristics point aspect graph picture (as shown in Figure 4), coordinate (as shown in Figure 3) and original work general image in database.
D. qualification: transfer non-fiber characteristics point storage data in step c, according to the non-fiber characteristics point coordinate obtaining in step c, scan the corresponding coordinate of doubtful works, and in the data (wherein non-fiber characteristics point as shown in Figure 5) that the doubtful works of scanning are obtained and step c, non-fiber characteristics point storage data compare.In the present embodiment, the non-fiber characteristics point form (as shown in Figure 5) of doubtful works corresponding coordinate is not identical with the non-fiber characteristics point form (as shown in Figure 4) in original work work carrier material fibrage, so doubtful works are fakement.
Microscope in the present embodiment is portable microscope, with mobile portable microscope random scanning on painting and calligraphy pieces, searching is distributed in a non-fiber characteristics point in painting and calligraphy original work work carrier material fibrage, equipment needed thereby is convenient for carrying, and is suitable for multiple occasion and gathers non-fiber characteristics dot image.
Embodiment 2:
As shown in Fig. 1-7, a kind of painting and calligraphy authenticity method, comprises the following steps:
A. scan non-fiber characteristics point: with 50-200 times of optical microscope amplification, optical imagery is converted to analog video electric signal, through video collector collection and be converted to digital signal, scanning painting and calligraphy original work in display screen or computer screen, searching is distributed in the non-fiber characteristics point in painting and calligraphy original work works (as shown in Figure 1) carrier material fibrage, finds one of them aspect graph as obvious non-fiber characteristics point (as shown in Figure 4).
B. define non-fiber characteristics point coordinate: the non-fiber characteristics point that scanning is obtained carries out physical location range finding, calibrates the coordinate of described non-fiber characteristics point in painting and calligraphy original work; Described physical location is microscopic position, and described microscopic scope coordinate is microscope observation position scope on painting and calligraphy pieces.Described demarcation is taking the base of painting and calligraphy pieces forward starting point apart from as x
1axle, left side distance is y
1axle, top margin is x
2axle, rightmargin is y
2axle, measures respectively x with measuring instrument
1axle, y
1axle, x
2axle, y
2axle and micro objective distance, form the observation position rectangular area (as shown in Figure 3) of micro objective apart from above-mentioned four axles thus.
B
1. imaging: the non-fiber characteristics point obtaining in step a is carried out to optical imagery, and optical imagery is converted to digital picture.
B
2. process: to step b
1described in the digital picture of non-fiber characteristics point carry out post-processed, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract the eigenwert image (as shown in Figure 6) of non-fiber characteristics point.
C. storage: deposit non-fiber characteristics point aspect graph picture (comprising the aspect graph picture in Fig. 4 and 6), coordinate (as shown in Figure 3) and original work general image in database.
D. qualification: transfer non-fiber characteristics point storage data in step c, according to the non-fiber characteristics point coordinate obtaining in step c, scan the corresponding coordinate of doubtful works (as shown in Figure 2), and in the data (wherein non-fiber characteristics point is as shown in Fig. 5 or 7) that the doubtful works of scanning are obtained and step c, non-fiber characteristics point storage data compare.In the present embodiment, the non-fiber characteristics point form (as shown in Fig. 5 or 7) of doubtful works corresponding coordinate is not identical with the non-fiber characteristics point form (as shown in Fig. 4 or Fig. 6) in original work work carrier material fibrage, so doubtful works are fakement.
Microscope in the present embodiment is desk-top microscope, as shown in figure 10, loads microscope head with gimbals, uses light illumination, pulls painting and calligraphy pieces random scanning, finds the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage.
Embodiment 3:
As shown in Fig. 1-7, a kind of painting and calligraphy authenticity method, comprises the following steps:
A. scan non-fiber characteristics point: with 50-200 times of optical microscope amplification, optical imagery is converted to analog video electric signal, through video collector collection and be converted to digital signal, scanning painting and calligraphy original work in display screen or computer screen, find two or more non-fiber characteristics points that are distributed in painting and calligraphy original work works (as shown in Figure 1) carrier material fibrage; Build the two-dimentional relation between each non-fiber characteristics point.
B. define non-fiber characteristics point coordinate: the non-fiber characteristics point that scanning is obtained carries out physical location range finding, calibrates the coordinate of described non-fiber characteristics point in painting and calligraphy original work; Described physical location is microscopic position, and described microscopic scope coordinate is microscope observation position scope above painting and calligraphy pieces.Described demarcation is taking the base of painting and calligraphy pieces forward starting point apart from as x
1axle, left side distance is y
1axle, top margin is x
2axle, rightmargin is y
2axle, measures respectively x with measuring instrument
1axle, y
1axle, x
2axle, y
2axle and micro objective distance, form the observation position rectangular area (as shown in Figure 3) of micro objective apart from above-mentioned four axles thus.
B
1. imaging: the non-fiber characteristics point obtaining in step a is carried out to optical imagery, and optical imagery is converted to digital picture.
B
2. process: to step b
1described in the digital picture of non-fiber characteristics point carry out post-processed, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract the eigenwert image of non-fiber characteristics point.
C. storage: deposit two-dimentional relation and original work general image between non-fiber characteristics point aspect graph picture, coordinate, each non-fiber characteristics point in database.
D. qualification: transfer non-fiber characteristics point storage data in step c, according to the non-fiber characteristics point coordinate obtaining in step c, scan the corresponding coordinate of doubtful works, and in the data that the doubtful works of scanning are obtained and step c, non-fiber characteristics point storage data compare.If retouch the identical of two-dimentional relation between the corresponding non-fiber characteristics point aspect graph picture of doubtful works and each non-fiber characteristics point and original work works, doubtful works are certified products.Otherwise, be fakement.
Microscope in the present embodiment is desk-top microscope, as shown in figure 10, load microscope head with gimbals, use light illumination, pull painting and calligraphy pieces random scanning, find two or more non-fiber characteristics points that are distributed in painting and calligraphy original work work carrier material fibrage.
Described non-fiber characteristics point should each tool the unique form, during to non-fiber characteristics point digital picture post-processed, measures each point mutual alignment distance, describes two-dimentional relation between each point, builds the close lock construction of non-fiber characteristics point.Externally only announce wherein a place or two places non-fiber characteristics aspect graph picture and two-dimentional relation thereof, both there is dominant false proof qualification function, possessed again recessive false proof qualification function.
Embodiment 4:
As shown in Fig. 1-9, a kind of painting and calligraphy authenticity method, comprises the following steps:
A. scan non-fiber characteristics point: with 50-200 times of optical microscope amplification, optical imagery is converted to analog video electric signal, through video collector collection and be converted to digital signal, scanning painting and calligraphy original work in display screen or computer screen, searching is distributed in the non-fiber characteristics point in painting and calligraphy original work works (as shown in Figure 1) carrier material fibrage, finds one of them aspect graph as obvious non-fiber characteristics point (as shown in Figure 4).
B. define non-fiber characteristics point coordinate: the non-fiber characteristics point that scanning is obtained carries out physical location range finding, calibrates the coordinate of described non-fiber characteristics point in painting and calligraphy original work; Described physical location is microscopic position, and described microscopic scope coordinate is microscope observation position scope on painting and calligraphy pieces.Described demarcation is taking the base of painting and calligraphy pieces forward starting point apart from as x
1axle, left side distance is y
1axle, top margin is x
2axle, rightmargin is y
2axle, measures respectively x with measuring instrument
1axle, y
1axle, x
2axle, y
2axle and micro objective distance, form the observation position rectangular area (as shown in Figure 3) of micro objective apart from above-mentioned four axles thus.
B
1. imaging: the non-fiber characteristics point obtaining in step a is carried out to optical imagery, and optical imagery is converted to digital picture;
B
2. process: to step b
1described in the digital picture of non-fiber characteristics point carry out post-processed, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract the eigenwert image of non-fiber characteristics point.
C. storage: deposit non-fiber characteristics point aspect graph picture, coordinate and original work general image in database;
D. qualification: transfer non-fiber characteristics point storage data in step c, according to the non-fiber characteristics point coordinate obtaining in step c, scan the corresponding coordinate of doubtful works, and in the data that the doubtful works of scanning are obtained and step c, non-fiber characteristics point storage data compare.
In order to improve the reliability of qualification result, physical form and artistic form are carried out to combination qualification, described painting and calligraphy authenticity method also comprises:
E. painting and calligraphy original work full figure imaging: take painting and calligraphy original work full figure with digital camera, record shooting environmental parameter, comprise the physical distance information of f-number, focal length, exposure value, photoenvironment and digital camera institute apart from shooting painting and calligraphy pieces.
F. painting and calligraphy original work image processing: to painting and calligraphy pieces full figure digital picture post-processed in step e, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract works full figure contour feature value;
G. grid covers: digital picture in step f is carried out to mesh lines covering, make full figure contour feature value digital picture (as shown in Figure 8);
H. painting and calligraphy original work view data storage: deposit full figure contour feature digital picture (as shown in Figure 8) in shooting environmental parameter and step g in step e in database;
I. works image authentication: transfer shooting environmental parameter and full figure contour feature digital picture in step h, process doubtful works according to step e, step f, step g, and with database in the stack contrast of full figure contour feature digital picture.Because the full figure contour feature value digital picture (as shown in Figure 9) of doubtful works and the full figure contour feature value digital picture (as shown in Figure 8) of original work works differ obvious (see in Fig. 8 mark mark A ' in A place and Fig. 9 locate), and the two non-fiber characteristics point aspect graph picture is not identical yet, therefore these doubtful works are fakement.
Embodiment 5:
A kind of painting and calligraphy authenticity system, described system comprises:
Scanning element: comprise microscope, the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage is found in scanning;
Coordinate unit: comprise measuring instrument, measure the physical location of the non-fiber characteristics point obtaining in scanning element, calibrate the coordinate of described non-fiber characteristics point in painting and calligraphy original work;
Storage unit: comprise database, store aspect graph picture, coordinate and the original work general image of non-fiber characteristics point;
Qualification unit: transfer non-fiber characteristics point storage data in storage unit, the non-fiber characteristics point coordinate obtaining according to scanning element, scan the corresponding coordinate of doubtful works, and in the data that the doubtful works of scanning are obtained and storage unit, non-fiber characteristics point storage data compare.
Described scanning element also comprises photoelectric signal converter, video collector and display screen or computer screen, and optical imagery is converted to analog video electric signal by photoelectric signal converter, through video collector collection and be converted to digital signal.
Microscope in the present embodiment is portable microscope, with mobile portable microscope random scanning on painting and calligraphy pieces, finds the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage.
Embodiment 6:
A kind of painting and calligraphy authenticity system, described system comprises:
Scanning element: comprise microscope, the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage is found in scanning;
Coordinate unit: comprise measuring instrument, measure the physical location of the non-fiber characteristics point obtaining in scanning element, calibrate the coordinate of described non-fiber characteristics point in painting and calligraphy original work;
Storage unit: comprise database, store aspect graph picture, coordinate and the original work general image of non-fiber characteristics point;
Qualification unit: transfer non-fiber characteristics point storage data in storage unit, the non-fiber characteristics point coordinate obtaining according to scanning element, scan the corresponding coordinate of doubtful works, and in the data that the doubtful works of scanning are obtained and storage unit, non-fiber characteristics point storage data compare.
Described system, described scanning element also comprises photoelectric signal converter, video collector and display screen or computer screen, optical imagery is converted to analog video electric signal by photoelectric signal converter, through video collector collection and be converted to digital signal.
Described system also comprises:
Image-generating unit: microscope ocular is connected with single anti-digital camera, optical imagery is carried out to digitizing and be converted to digital picture;
Processing unit: the digital picture of non-fiber characteristics point described in image-generating unit is carried out to post-processed, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract the eigenwert image of non-fiber characteristics point.
Microscope in the present embodiment is desk-top microscope, loads microscope head with gimbals, uses light illumination, pulls painting and calligraphy pieces random scanning, finds the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage.
Embodiment 7:
A kind of painting and calligraphy authenticity system, described system comprises:
Scanning element: comprise microscope, the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage is found in scanning;
Coordinate unit: comprise measuring instrument, measure the physical location of the non-fiber characteristics point obtaining in scanning element, calibrate the coordinate of described non-fiber characteristics point in painting and calligraphy original work;
Storage unit: comprise database, store aspect graph picture, coordinate and the original work general image of non-fiber characteristics point;
Qualification unit: transfer non-fiber characteristics point storage data in storage unit, the non-fiber characteristics point coordinate obtaining according to scanning element, scan the corresponding coordinate of doubtful works, and in the data that the doubtful works of scanning are obtained and storage unit, non-fiber characteristics point storage data compare.
Described system, described scanning element also comprises photoelectric signal converter, video collector and display screen or computer screen, optical imagery is converted to analog video electric signal by photoelectric signal converter, through video collector collection and be converted to digital signal.
Described system also comprises:
Image-generating unit: microscope ocular is connected with single anti-digital camera, optical imagery is carried out to digitizing and be converted to digital picture;
Processing unit: the digital picture of non-fiber characteristics point described in image-generating unit is carried out to post-processed, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract the eigenwert image of non-fiber characteristics point.
Described system also comprises:
Painting and calligraphy original work full figure image-generating unit: comprise digital camera, take painting and calligraphy original work full figure, record shooting environmental parameter and physical location information;
Painting and calligraphy original work graphics processing unit: the digital picture of painting and calligraphy pieces full figure is carried out to post-processed, comprise three primary colors and color channel, gradual change mapping, curve, polar coordinates etc., extract works full figure contour feature value;
Grid capping unit: the digital picture of painting and calligraphy pieces full figure after treatment is carried out to mesh lines covering, make full figure contour feature value digital picture;
Painting and calligraphy original work image data memory cell: deposit the shooting environmental parameter in painting and calligraphy original work full figure image-generating unit and the full figure contour feature digital picture in grid capping unit in database;
Works image authentication unit: transfer shooting environmental parameter and full figure contour feature digital picture in painting and calligraphy original work image data memory cell, process doubtful works with painting and calligraphy original work full figure image-generating unit, painting and calligraphy original work graphics processing unit and grid capping unit, and with database in full figure contour feature digital picture stack contrast.
Microscope in the present embodiment is desk-top microscope, loads microscope head with gimbals, uses light illumination, pulls painting and calligraphy pieces random scanning, finds the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage.
Painting and calligraphy pieces full figure imaging in the present embodiment, comprises with digital camera and takes painting and calligraphy original work full figure, records original work shooting environmental parameter, comprises the physical distance information of f-number, focal length, exposure value, photoenvironment and digital camera institute apart from shooting painting and calligraphy pieces.
Embodiment 8:
As shown in figure 10, a kind of device that optical imagery is converted to digital picture, as the image-generating unit in above-described embodiment, comprises single anti-digital camera fuselage 1, optical lens group sheet 2, switching cylinder 3 and optical microscope with interface thread.Described optical microscope comprises base 11, column 9, gimbals 8, microscope head 6, light source 7.By optical lens group sheet 2 with the switching cylinder 3 of interface thread, single anti-digital camera fuselage 1 is connected with the eyepiece of microscope head 6.Described column 9 is arranged on base 11, and described gimbals 8 are arranged on column 9, and described microscope head 6 is arranged on gimbals 8, and described light source 7 is arranged on microscope head 8, and described light source 7 is by dimming power source 10 capable of regulating illumination intensities.
When use, works 12 to be checked are placed in to light source 7 times, regulate suitable intensity of illumination, focus by the focus adjusting mechanism of gimbals 8, obtain optical imagery clearly.Then with the subsidiary focus adjusting mechanism of single anti-digital camera fuselage 1, described optical imagery is focused, shooting digital pictures storage.
Non-fiber characteristics point coordinate described in the present invention, refers to the microscopic scope (as shown in Figure 3 observation position) of non-fiber characteristics point in painting and calligraphy pieces.Above embodiment object is to illustrate the present invention, but not limits the scope of the invention, and all application that come by simple change of the present invention all drop in protection scope of the present invention.
Claims (10)
1. a painting and calligraphy authenticity method, is characterized in that, comprises the following steps:
A. scan non-fiber characteristics point: scan and find the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage with microscope;
B. define non-fiber characteristics point coordinate: the non-fiber characteristics point that scanning is obtained carries out physical location range finding, calibrates the microscopic scope coordinate of described non-fiber characteristics point in painting and calligraphy original work;
C. storage: deposit non-fiber characteristics point aspect graph picture, coordinate and original work general image in database;
D. qualification: transfer non-fiber characteristics point storage data in step c, according to the non-fiber characteristics point coordinate obtaining in step c, scan the corresponding coordinate of doubtful works, and in the data that the doubtful works of scanning are obtained and step c, non-fiber characteristics point storage data compare.
2. method according to claim 1, it is characterized in that, in described step a, scan method is to amplify 50-200 doubly with optical microscope, optical imagery is converted to analog video electric signal, through video collector collection and be converted to digital signal, scanning painting and calligraphy original work in display screen or computer screen, find the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage.
3. method according to claim 1, is characterized in that, between step b and c, also comprises:
B
1. imaging: the non-fiber characteristics point obtaining in step a is carried out to optical imagery, and optical imagery is converted to digital picture;
B
2. process: to step b
1described in the digital picture of non-fiber characteristics point carry out post-processed, extract the eigenwert image of non-fiber characteristics point.
4. method according to claim 3, is characterized in that, b
1described in step, optical imagery being converted to digital picture, is that microscope ocular is connected with single anti-digital camera, and optical imagery is carried out to digitizing.
5. according to the method described in claim 1-4 any one, it is characterized in that, described a step finds with microscope scanning two or more non-fiber characteristics points that are distributed in painting and calligraphy original work work carrier material fibrage; Build the two-dimentional relation between each non-fiber characteristics point, and described two-dimentional relation and non-fiber characteristics point aspect graph picture, coordinate and original work general image are deposited in database in the lump.
6. according to the method described in claim 1-4 any one, it is characterized in that, also comprise:
E. painting and calligraphy original work full figure imaging: take painting and calligraphy original work full figure with digital camera, record shooting environmental parameter;
F. painting and calligraphy original work image processing: painting and calligraphy pieces full figure digital picture in step e is carried out to post-processed, extract works full figure contour feature value;
G. grid covers: digital picture in step f is carried out to mesh lines covering, make full figure contour feature value digital picture;
H. painting and calligraphy original work view data storage: deposit full figure contour feature digital picture in shooting environmental parameter and step g in step e in database;
I. works image authentication: transfer shooting environmental parameter and full figure contour feature digital picture in step h, process doubtful works according to step e, step f, step g, and with database in the stack contrast of full figure contour feature digital picture.
7. a painting and calligraphy authenticity system, is characterized in that, described system comprises:
Scanning element: comprise microscope, the non-fiber characteristics point being distributed in painting and calligraphy original work work carrier material fibrage is found in scanning;
Coordinate unit: comprise measuring instrument, measure the microscopic physical location that obtains non-fiber characteristics point in scanning element, calibrate described non-fiber characteristics point microscopic scope coordinate in painting and calligraphy original work;
Storage unit: comprise database, store aspect graph picture, coordinate and the original work general image of non-fiber characteristics point;
Qualification unit: transfer non-fiber characteristics point storage data in storage unit, according to the non-fiber characteristics point coordinate in storage unit, scan the corresponding coordinate of doubtful works, and in the data that the doubtful works of scanning are obtained and storage unit, non-fiber characteristics point storage data compare.
8. system according to claim 7, it is characterized in that, described scanning element also comprises photoelectric signal converter, video collector and display screen or computer display, optical imagery is converted to analog video electric signal by photoelectric signal converter, through video collector collection and be converted to digital signal.
9. system according to claim 7, is characterized in that, described system also comprises:
Image-generating unit: microscope ocular is connected with single anti-digital camera, optical imagery is carried out to digitizing and be converted to digital picture;
Processing unit: the digital picture of non-fiber characteristics point described in image-generating unit is carried out to post-processed, extract the eigenwert image of non-fiber characteristics point.
10. according to the system described in claim 7-9 any one, it is characterized in that, described system also comprises:
Painting and calligraphy original work full figure image-generating unit: comprise digital camera, take painting and calligraphy original work full figure, record shooting environmental parameter;
Painting and calligraphy original work graphics processing unit: the digital picture of painting and calligraphy pieces full figure is carried out to post-processed, extract works full figure contour feature value;
Grid capping unit: the digital picture of painting and calligraphy pieces full figure after treatment is carried out to mesh lines covering, make full figure contour feature value digital picture;
Painting and calligraphy original work image data memory cell: deposit the shooting environmental parameter in painting and calligraphy original work full figure image-generating unit and the full figure contour feature digital picture in grid capping unit in database;
Works image authentication unit: transfer shooting environmental parameter and full figure contour feature digital picture in painting and calligraphy original work image data memory cell, process doubtful works with painting and calligraphy original work full figure image-generating unit, painting and calligraphy original work graphics processing unit and grid capping unit, and with database in full figure contour feature digital picture stack contrast.
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| CN201410344419.9A CN104166839A (en) | 2014-07-18 | 2014-07-18 | Method and system for calligraphy and painting authentication |
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Application publication date: 20141126 |