CN110853055A - Continuous grain image processing method and device for ceramic tile production - Google Patents

Continuous grain image processing method and device for ceramic tile production Download PDF

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CN110853055A
CN110853055A CN201911041278.2A CN201911041278A CN110853055A CN 110853055 A CN110853055 A CN 110853055A CN 201911041278 A CN201911041278 A CN 201911041278A CN 110853055 A CN110853055 A CN 110853055A
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image
compensation
green body
design
ceramic tile
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CN110853055B (en
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周少芳
郭惠法
冯晓雪
马倩娜
马娟
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FOSHAN JIANYI CERAMICS Co Ltd
Qingyuan City Letter One Ceramic Co Ltd
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FOSHAN JIANYI CERAMICS Co Ltd
Qingyuan City Letter One Ceramic Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/10Segmentation; Edge detection
    • G06T7/11Region-based segmentation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00Geometric image transformations in the plane of the image
    • G06T3/04Context-preserving transformations, e.g. by using an importance map
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/77Retouching; Inpainting; Scratch removal
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10004Still image; Photographic image
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20021Dividing image into blocks, subimages or windows

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Abstract

The application discloses a continuous grain image processing method and device for ceramic tile production, wherein the method comprises the following steps: dividing the continuous grain image on the stone into N design drawings; acquiring an image compensation value of each design drawing; and according to the image compensation value, carrying out image compensation operation on the design drawing corresponding to the image compensation value to obtain a compensation drawing containing the design drawing, and then processing the compensation drawing to present the compensation drawing on a to-be-ink-jet area of the green body. Compared with the prior art, this application replaces the design drawing with the compensation drawing through setting up the image compensation value to the design drawing at the design source, obtains the mode that the compensation drawing that corresponds made the decorative pattern present on the unburned bricks after for the ceramic tile finished product cooperation crack of production is spread and is pasted the technique, can reach the effect of unlimited line, thereby wrong line or the dislocation phenomenon that appears when reducing the ceramic tile concatenation, and then reduces the ceramic tile resource and the loss of manpower resources that lead to for realizing the line.

Description

Continuous grain image processing method and device for ceramic tile production
Technical Field
The application relates to the technical field of image processing, in particular to a continuous grain image processing method and device for ceramic tile production.
Background
The ceramic tile product with the characteristic of continuous grain paving and pasting is a natural, elegant and exquisite design quality presentation. In order to make the tile product have the continuous grain paving characteristic, the general design idea is to design 8 (or 16) special continuous grain pattern patterns. By means of pattern design, 8 ceramic tiles can be connected into 13m2(3.6×3.6m2Or 1.8X 7.2m2) The continuous grain marble plane can be made into 52m by different arrangement and combination modes2(7.2×7.2m2) Or even an infinite space. Through the continuous grain design and the ceramic tile dense joint paving technology, the effect of visually observing seamless and infinite continuous grain extension outside 1m is realized. However, when the idea of designing the continuous grain plane is adopted for actual production, it is found that glaze pattern patterns prepared on the surface of a ceramic blank can shrink along with the shrinkage of the blank size in the firing process, and the ceramic tile needs to be ground and cut to reach the standard specification size after being fired, so that the loss of the glaze pattern patterns on the surface of the ceramic tile is caused, the phenomena of wrong grains and dislocation are caused in the subsequent ceramic tile splicing process, the final paving and using effects of the ceramic tile are influenced, and the waste of a large amount of natural resources and human resources required by repeated tests for realizing continuous grains is caused.
Disclosure of Invention
The technical problem to be solved by the embodiment of the application is to provide a continuous grain image processing method for ceramic tile production, which eliminates the phenomenon of wrong grains or dislocation when the ceramic tiles are spliced, thereby reducing the loss of natural resources and human resources caused by continuous grains.
In order to solve the above problem, an embodiment of the present application provides a continuous stripe image processing method for tile production, which at least includes the following steps:
acquiring a continuous grain image on a stone, and dividing the continuous grain image into N design drawings; wherein N is more than or equal to 1 and is a positive integer;
acquiring an image compensation value of each design drawing according to a preset amplification factor required when the design drawing is presented to a region to be jetted of a green body and the loss of the region to be jetted of the green body generated when the green body is made into a finished ceramic tile product;
and according to the image compensation value, carrying out image compensation operation on the design drawing corresponding to the image compensation value to obtain a compensation drawing containing the design drawing, and then processing the compensation drawing to be displayed on the to-be-ink-jet area of the green body, so that images except the design drawing in the compensation drawing are removed when the green body is manufactured into the finished ceramic tile.
Furthermore, the sizes of the N design drawings are the same; and the size of the design drawing is the size of the finished ceramic tile.
Further, the obtaining manner of the image compensation value includes:
and acquiring the image compensation value according to △ A/(1 + B), wherein △ A is the image compensation value, B is the preset amplification factor, and C is the consumed size of the area to be jetted when the finished tile product is manufactured.
Further, the preset amplification factor B is determined according to the size D of the area to be subjected to ink jet and the size E of the finished tile product; wherein B ═ D-E)/E.
Further, the dimension C of the consumption of the area to be jetted is determined by the edging loss dimension F of the green body when the green body is made into a semi-finished product and the firing shrinkage G of the semi-finished product when the semi-finished product is made into a finished ceramic tile product; wherein, C is F/(1-G).
Further, the green body further comprises a white-out region; the size D of the area to be jetted is H-I; wherein H is the size of the green body, and I is the size of the margin region.
Further, the firing shrinkage ratio G ═ H-L)/H; wherein H is the size of the green body, and L is the size of the semi-finished product made from the green body.
Further, the image compensation operation includes:
and according to the position information of the design drawing in the continuous grain image, after the design drawing is searched in the continuous grain image, according to the image compensation value, intercepting an image outside the design drawing to form the compensation drawing.
Further, a continuous grain image processing device for ceramic tile production is also provided, which comprises:
the image acquisition module is used for acquiring the continuous grain images on the stone and dividing the continuous grain images into N design drawings; wherein N is more than or equal to 1 and is a positive integer;
the compensation acquisition module is used for acquiring image compensation values of the design drawings according to a preset amplification factor required when the design drawings are presented to a to-be-ink-jet area of a green body and the loss of the to-be-ink-jet area on the green body generated when the green body is made into a finished ceramic tile product;
and the image compensation module is used for carrying out image compensation operation on the design drawing corresponding to the image compensation value according to the image compensation value to obtain a compensation drawing containing the design drawing, and then processing the compensation drawing to present the compensation drawing on the green body so as to remove images except the design drawing in the compensation drawing when the green body is used for manufacturing the finished ceramic tile product.
The embodiment of the application has the following beneficial effects:
compared with the prior art, this embodiment is through setting up the image compensation value to the design drawing at the design source, replace the design drawing to present the mode on the unburned bricks after acquireing corresponding compensation drawing through the image compensation value, make the ceramic tile finished product cooperation crack shop paste technique of production, can reach the effect of unlimited line, thereby wrong line or the dislocation phenomenon that appears when reducing the ceramic tile concatenation of carrying out, and then reduce the natural resources for realizing that line leads to, like the ceramic tile, the loss of resources such as electric energy and the loss of manpower resources.
Drawings
Fig. 1 is a schematic flow chart of a continuous grain image processing method for tile production according to an embodiment of the present application;
FIG. 2 shows a plurality of design drawings formed by segmenting a moire image;
FIG. 3 contains a schematic diagram of a compensation map of the design map;
FIG. 4 is a schematic view of the finished tile after splicing, made with uncompensated plans;
fig. 5 is a schematic structural diagram of a continuous grain image processing system for tile production according to the second embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, it is a schematic flow chart of a method for processing a continuous grain image for tile production according to an embodiment of the present application, as shown in fig. 1, including:
and step S1, acquiring the continuous grain image on the stone, and dividing the continuous grain image into N design drawings.
Wherein N is more than or equal to 1 and N is a positive integer.
In this embodiment, the stone may be a natural stone or an artificial stone having a continuous pattern, the continuous pattern image is a continuous pattern on the stone, and the obtaining method may be obtained by scanning the continuous pattern on the stone with a scanner. Wherein, the scanner should be in 8 bit/channel mode, and the scanning resolution is not lower than 800 pixels/inch.
In this embodiment, the N design drawings are all the same in size, and the size of each design drawing is the size of the finished tile. After the segmentation is completed, the N design drawings may be numbered sequentially according to their positions in the continuous grain image, and specifically, as shown in fig. 2, one continuous grain pattern may be segmented into 8 design drawings. Wherein each box represents a plan view.
And step S2, acquiring image compensation values of each design drawing according to a preset amplification factor required when the design drawing is presented to the area to be jetted of the green body and the loss of the area to be jetted of the green body generated when the green body is made into a finished ceramic tile product.
In this embodiment, the manner of obtaining the image compensation value includes:
and acquiring an image compensation value according to △ A/(1 + B), wherein △ A is the image compensation value, B is a preset amplification factor, and C is the size of an area to be jetted when the finished tile is manufactured.
In this embodiment, the preset magnification factor B is determined according to the dimension D of the area to be jetted and by the dimension E of the finished tile. Wherein B ═ D-E)/E. The dimension C of the consumption of the ink-jet area is determined by the edging loss dimension F of the green body when it is made into a semifinished product and by the firing shrinkage G of the semifinished product when it is made into a finished tile product. Wherein, C is F/(1-G).
In this embodiment, the green body includes an area to be jetted and a margin area, and the size D of the area to be jetted is H-I. Wherein H is the size of the green body, and I is the size of the blank area. The value range of I is 5-7 mm, generally 7 mm. The edging loss dimension F is determined by the semi-finished product edging loss dimension J and the semi-finished product blank dimension K, namely F is J-K.
In this example, the firing shrinkage G ═ H/H where H is the size of the green compact and L is the size of the semifinished product from the green compact.
In the present embodiment, the above-mentioned semi-finished edging loss dimension J is determined by a semi-finished product dimension L and a finished product dimension E, i.e. J ═ L-E; the green sheet size K is determined from the green sheet size I and the firing shrinkage G, i.e., K ═ I (1-G).
In this example, the green size H is estimated empirically from the manufacturing experience based on the standard size of the finished tile, the green size and 8-10% of the firing shrinkage range of the tile to obtain a range of sizes from which the green size H can be determined for a tile of a certain standard size. After the green size H is determined, the actual firing shrinkage G can be obtained from the dimension L of the final product after firing measured in actual production.
By integrating the above equations, simplification can be achieved, and it can be understood that the formula for obtaining the image compensation value is △ a ═ E-E · H/(D · L).
It should be noted that the image compensation value of a design actually covers the values of the length (longitudinal direction) and the width (transverse direction) of the image, and △ a obtained according to the formula only covers the value of one direction, so the values of the length direction and the width direction are calculated separately.
And step S3, performing image compensation operation on the design drawing corresponding to the image compensation value according to the image compensation value to obtain a compensation drawing containing the design drawing, and processing the compensation drawing to be displayed on the to-be-ink-jet area of the green body, so that the images except the design drawing in the compensation drawing are removed when the green body is manufactured into a finished ceramic tile product.
In this embodiment, the design drawing after the image compensation operation, i.e., the compensation drawing, is enlarged by a certain factor, then the inkjet printing or screen exposure and drying operation is performed, i.e., the screen is manufactured, and then the fancy glaze is displayed on the surface of the green body by combining the inkjet printing and the screen printing to form the marble texture.
In the present embodiment, the image compensation operation includes:
and according to the position information of the design drawing in the continuous grain image, after the design drawing is searched in the continuous grain image, intercepting the image outside the design drawing according to the image compensation value to form a compensation drawing.
As shown in fig. 3, taking the design drawing 1 as an example, a partial region (with the size n ') is taken from each of four directions as a part of the compensation value of the design drawing, and the size is half of the compensation value of the design drawing, that is, n' ═ △ a/2, thereby forming a compensation drawing, it should be noted that n 'of different design drawings in the same direction are equal, specifically, the actual size a of the compensation drawing is the size E of the design drawing 1 plus the compensation regions 2', 4 ', and 5', that is, a ═ E +2 '+ 4' +2 × 5 ', and the image compensation value △ a ═ 2' +4 '+ 2 × 5', where 1 '═ 2' ═ 3 '═ 4', and 5 '═ 6'.
Through the above manner, the relevant dimension parameter values and image compensation values of the tile products with common specifications can be obtained, and the values can be specifically shown in table 1:
table 1 examples 1-6 tile product-related parameter values and image compensation values
Figure BDA0002251947760000061
The description will be given by taking example 6, i.e. the specification of the tile product is 900mm × 1800mm, and the other examples have the same principle. As calculated from the four parameters in table 1 and the correlation formula in the image compensation value calculation step, the firing shrinkage ratio is 0.09, and the blank size of the semifinished product is 6.37mm, then the dimensions of the ink ejection area in the length and width directions are 21.63mm and 18.63mm, respectively, and the compensation values for the width and length of the corresponding design drawing are 21.38mm and 18.25mm, respectively, and then fig. 2 is 1 ' ═ 2 ═ 3 ' ═ 4 ' ═ 21.38/2 ═ 10.69mm, and fig. 2 is 5 ' ═ 6 ' ═ 18.25/2 ═ 9.125 mm. When the compensation value n' (n is 1, 2, 3, 4, 5, 6) is lost during the subsequent tile processing, the texture of the finished tile product made from design fig. 1 and the texture of the finished tile product made from design fig. 2 can be connected together as in the continuous texture image of design fig. 1 and design fig. 2. However, if there is no image compensation value n ', the original design drawing will be worn out by the corresponding n' when the tile is processed to the standard specification, and the remaining pattern areas will be spliced together to generate the phenomenon of wrong patterns, which cannot be connected with the patterns, as shown in fig. 4.
This embodiment is through setting up the image compensation value to the plan view at the design source, will compensate the mode that the plan view is presented on the unburned bricks after obtaining corresponding compensation picture through the image compensation value for the ceramic tile finished product cooperation crack shop of production pastes the technique, can reach the effect of unlimited line, thereby reduces wrong line or the dislocation phenomenon that appears when carrying out the ceramic tile concatenation. The corresponding changes are required according to the previous changes
By the method for acquiring the image compensation value, the test process and the resource waste can be reduced, and the method has positive contribution significance for reducing the random harvest and the deforestation of rare stone resources and protecting the natural environment.
Further, refer to fig. 5, which is a schematic structural diagram of a continuous grain image processing apparatus for tile production according to the second embodiment of the present application. The method comprises the following steps: the image obtaining module 101 is configured to obtain a continuous grain image on the stone material, and divide the continuous grain image into N design drawings.
Wherein N is more than or equal to 1 and N is a positive integer.
And the compensation acquisition module 102 is used for acquiring the image compensation value of each design drawing according to a preset amplification factor required when the design drawing is presented on the green body and the loss of the area to be jetted on the green body generated when the green body is made into a finished ceramic tile product.
And the image compensation module 103 is used for performing image compensation operation on the design drawing corresponding to the image compensation value according to the image compensation value to obtain a compensation drawing containing the design drawing, and then processing the compensation drawing to present the compensation drawing on the green body, so that images except the design drawing in the compensation drawing are removed when the green body is manufactured into a finished tile product.
This embodiment is through setting up the image compensation value to the design drawing at the design source, will compensate the drawing after obtaining the compensation drawing that corresponds through the image compensation value and replace the design drawing and present the mode on the unburned bricks for the ceramic tile finished product cooperation crack shop of production pastes the technique, can reach the effect of unlimited line, thereby the wrong line or the dislocation phenomenon that appear when reducing the ceramic tile concatenation of carrying out, and then reduce the natural resources and the manpower resources's that lead to for realizing the line loss.
The foregoing is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.

Claims (9)

1. A continuous grain image processing method for ceramic tile production is characterized by at least comprising the following steps:
acquiring a continuous grain image on a stone, and dividing the continuous grain image into N design drawings; wherein N is more than or equal to 1 and is a positive integer;
acquiring an image compensation value of each design drawing according to a preset amplification factor required when the design drawing is presented to a region to be jetted of a green body and the loss of the region to be jetted of the green body generated when the green body is made into a finished ceramic tile product;
and according to the image compensation value, carrying out image compensation operation on the design drawing corresponding to the image compensation value to obtain a compensation drawing containing the design drawing, and then processing the compensation drawing to be displayed on the to-be-ink-jet area of the green body, so that images except the design drawing in the compensation drawing are removed when the green body is manufactured into the finished ceramic tile.
2. The method according to claim 1, wherein the N design drawings have the same size; and the size of the design drawing is the size of the finished ceramic tile.
3. The method for processing the ripple image for tile production according to claim 1, wherein the obtaining of the image compensation value comprises:
and acquiring the image compensation value according to △ A/(1 + B), wherein △ A is the image compensation value, B is the preset amplification factor, and C is the loss size of the ink-jet area when the ceramic tile finished product is manufactured.
4. The method for the treatment of veined images for the production of ceramic tiles according to claim 3, characterized in that said preset magnification factor B is determined according to the dimension D of said area to be ink-jetted and by the dimension E of said finished tile; wherein B ═ D-E)/E.
5. The method for the treatment of veined images for the production of ceramic tiles according to claim 3, characterized in that said dimension C of loss of the area to be ink-jetted is determined by the edging loss dimension F of the green body when it is made into a semi-finished product and the firing shrinkage G of the semi-finished product when it is made into a finished tile product; wherein, C is F/(1-G).
6. The method of claim 5, wherein the green body further comprises a blank area; the size D of the area to be jetted is H-I; wherein H is the size of the green body, and I is the size of the margin region.
7. The method for processing the ripple image for tile production according to claim 5, wherein the firing shrinkage G ═ H-L)/H; wherein H is the size of the green body, and L is the size of the semi-finished product made from the green body.
8. The method for the treatment of veined images for the production of ceramic tiles according to claim 1, characterised in that said image compensation operation comprises:
and according to the position information of the design drawing in the continuous grain image, after the design drawing is searched in the continuous grain image, according to the image compensation value, intercepting an image outside the design drawing to form the compensation drawing.
9. A continuous grain image processing device for ceramic tile production is characterized by comprising:
the image acquisition module is used for acquiring the continuous grain images on the stone and dividing the continuous grain images into N design drawings; wherein N is more than or equal to 1 and is a positive integer;
the compensation acquisition module is used for acquiring image compensation values of the design drawings according to a preset amplification factor required when the design drawings are presented to a to-be-ink-jet area of a green body and the loss of the to-be-ink-jet area on the green body generated when the green body is made into a finished ceramic tile product;
and the image compensation module is used for carrying out image compensation operation on the design drawing corresponding to the image compensation value according to the image compensation value to obtain a compensation drawing containing the design drawing, and then processing the compensation drawing to present the compensation drawing on the green body so as to remove images except the design drawing in the compensation drawing when the green body is used for manufacturing the finished ceramic tile product.
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CN112085819A (en) * 2020-08-18 2020-12-15 清远市简一陶瓷有限公司 Unlimited continuous grain image processing method for ceramic tile production
CN112571579A (en) * 2020-12-03 2021-03-30 江西和美陶瓷有限公司 Control method for preparing precise continuous grain ceramic rock plate
CN112592159A (en) * 2020-12-18 2021-04-02 佛山市大角鹿大理石瓷砖有限公司 Production method of close-seam continuous-grain super-wear-resistant diamond glaze marble tile and tile
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Publication number Priority date Publication date Assignee Title
CN112085819A (en) * 2020-08-18 2020-12-15 清远市简一陶瓷有限公司 Unlimited continuous grain image processing method for ceramic tile production
CN112085819B (en) * 2020-08-18 2024-06-07 清远市简一陶瓷有限公司 Infinite line image processing method for ceramic tile production
CN112571579A (en) * 2020-12-03 2021-03-30 江西和美陶瓷有限公司 Control method for preparing precise continuous grain ceramic rock plate
CN112571579B (en) * 2020-12-03 2022-03-25 江西和美陶瓷有限公司 Control method for preparing precise continuous grain ceramic rock plate
CN112592159A (en) * 2020-12-18 2021-04-02 佛山市大角鹿大理石瓷砖有限公司 Production method of close-seam continuous-grain super-wear-resistant diamond glaze marble tile and tile
CN114180974A (en) * 2021-12-29 2022-03-15 广东东唯新材料有限公司 Preparation method of curved rock plate with continuous grain decoration and curved rock plate
CN114820841A (en) * 2022-03-31 2022-07-29 广东东唯新材料有限公司 Image processing method and device for random continuous lines of tile and rock plate product layout

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