CN110969678A - Drawing method and device for tiled circles, terminal equipment and storage medium - Google Patents
Drawing method and device for tiled circles, terminal equipment and storage medium Download PDFInfo
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- CN110969678A CN110969678A CN201911122314.8A CN201911122314A CN110969678A CN 110969678 A CN110969678 A CN 110969678A CN 201911122314 A CN201911122314 A CN 201911122314A CN 110969678 A CN110969678 A CN 110969678A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a drawing method and device for a tiled circle, terminal equipment and a storage medium, wherein the method comprises the following steps: acquiring an original image and carrying out gray level processing on the original image to obtain a gray level image; dividing each image pixel point into each preset gray interval according to the gray value of each image pixel point in the gray image; each preset gray scale interval corresponds to a filling circle, and the diameters of the filling circles corresponding to different preset gray scale intervals are different; tiling and filling an image area formed by image pixel points in the same preset gray scale interval by using a plurality of corresponding filling circles to generate a drawing path; and controlling the mechanical arm to draw on the drawing carrier according to the drawing path to obtain the drawing corresponding to the original image. By implementing the embodiment of the invention, the painting robot can be controlled to paint in a mode of tiling circles, the combination of a plurality of circles is used for displaying the painting works, and a new painting mode is provided for the painting robot.
Description
Technical Field
The invention relates to the technical field of automatic drawing, in particular to a drawing method and device for a tiled circle, terminal equipment and a storage medium.
Background
With the development of science and technology, the application field of the intelligent robot is more and more extensive, the intelligent robot is also widely applied in life, and the robot capable of drawing is also popular with people.
When the existing painting robot is used for painting, the painting brush is controlled by the mechanical arm to directly paint an original image on painting paper, the displayed painting effect is the same as that of a real image, and the painting mode of the painting robot is single.
Disclosure of Invention
The embodiment of the invention provides a drawing method and device for a tiled circle, terminal equipment and a storage medium, which can control a drawing robot to draw in the tiled circle mode, display a drawing work by combining a plurality of circles and provide a new drawing mode for the drawing robot.
An embodiment of the present invention provides a drawing method for tiling a circle, including:
acquiring an original image and carrying out gray level processing on the original image to obtain a gray level image;
dividing each image pixel point into each preset gray interval according to the gray value of each image pixel point in the gray image; each preset gray scale interval corresponds to a filling circle, and the diameters of the filling circles corresponding to different preset gray scale intervals are different;
tiling and filling an image area formed by image pixel points in the same preset gray scale interval by using corresponding filling circles to generate a drawing path;
and controlling a mechanical arm to draw on a drawing carrier according to the drawing path to obtain a drawing corresponding to the original image.
Further, before the controlling a mechanical arm to draw on a drawing carrier according to the drawing path to obtain a drawing corresponding to the original image, the method further includes: and generating an electronic edition preview image according to the drawing path.
Furthermore, the diameter of the filling circle corresponding to the preset gray scale interval is in direct proportion to the interval gray scale value of the preset gray scale interval.
Further, the gray processing is performed on the original image to obtain a gray image, specifically:
calculating the gray value of each image pixel point in the original image through the following formula, and carrying out gray processing on the original image to obtain a gray image;
f(i,j)＝0.30R(i,j)+0.59G(i,j)+0.11B(i,j)；
wherein f (i, j) is a gray scale conversion function, i, j represents the position of a pixel point in a two-dimensional space vector, namely the ith row and the jth column; r (i, j) is the R value in the RGB color mode of the pixel point of the ith row and the jth column; g (i, j) is the G value in the RGB color mode of the pixel point of the ith row and the jth column; and B (i, j) is the B value in the RGB color mode of the pixel point of the ith row and the jth column.
On the basis of the above method item embodiments, the present invention correspondingly provides apparatus item embodiments;
the embodiment of the invention provides a drawing device for a tiled circle, which comprises a gray processing module, a pixel point dividing module, a drawing path generating module and a drawing module, wherein the pixel point dividing module is used for dividing a pixel point;
the gray processing module is used for acquiring an original image and carrying out gray processing on the original image to obtain a gray image;
the pixel point dividing module is used for dividing each image pixel point into each preset gray level interval according to the gray level value of each image pixel point in the gray level image; each preset gray scale interval corresponds to a filling circle, and the diameters of the filling circles corresponding to different preset gray scale intervals are different;
the drawing path generation module is used for tiling and filling image areas formed by image pixel points in the same preset gray scale interval by using corresponding filling circles to generate a drawing path;
and the drawing module is used for controlling the mechanical arm to draw on the drawing carrier according to the drawing path to obtain the drawing corresponding to the original image.
Further, the system also comprises an image preview module; the image preview module is used for generating an electronic edition preview image according to the drawing path.
On the basis of the above method item embodiment, the present invention provides a terminal equipment item embodiment
Another embodiment of the present invention provides a drawing terminal device for a tiled circle, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the drawing method for a tiled circle according to any one of the method embodiments of the present invention when executing the computer program.
Storage medium item embodiments are provided on the basis of method item embodiments of the invention;
another embodiment of the present invention provides a storage medium including a stored computer program, where the computer program is executed to control an apparatus on which the storage medium is located to execute the method for drawing tiled circles according to any one of the method embodiments of the present invention.
The embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a drawing method, a device, terminal equipment and a storage medium for a tiled circle, wherein the method comprises the steps of firstly obtaining an original image to be drawn and carrying out gray level processing on the original image, then dividing each image pixel point into different preset gray level intervals according to the gray level value of each image pixel point in the gray level image, wherein each preset gray level interval corresponds to a filling circle, and the different preset gray level intervals correspond to filling circles with a specification; next, the region formed by the image pixel points in each preset gray level interval is tiled by using a filling circle corresponding to the preset gray level interval until the whole formed region is tiled completely, namely, for the region formed by each image pixel point in each preset gray level interval, a plurality of circles are tiled, and when the region formed by each image pixel point in all preset gray level intervals is tiled by using circles, the drawing path of the whole image to be drawn can be generated, namely, all the tiled circles are the drawing path; finally, according to the drawing path, the mechanical arm is controlled to draw on the drawing carrier in a circle drawing mode, corresponding drawing works are finally obtained, the drawing robot can have the drawing capacity by utilizing the mode of tiling in a circular mode through the drawing method, and the problem that the drawing mode of the existing drawing robot is single is solved
Drawings
Fig. 1 is a schematic flow chart of a drawing method for tiling circles according to an embodiment of the present invention.
Fig. 2 is an effect diagram of a finished product of a drawing method of a tiled circle according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a drawing device in a tiled circular shape according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
As shown in fig. 1, an embodiment of the present invention provides a method for drawing a tiled circle, including:
step S101, obtaining an original image and carrying out gray level processing on the original image to obtain a gray level image.
Step S102, dividing each image pixel point into each preset gray interval according to the gray value of each image pixel point in the gray image; each preset gray scale interval corresponds to a filling circle, and the diameters of the filling circles corresponding to different preset gray scale intervals are different.
Step S103, tiling and filling image areas formed by image pixel points in the same preset gray scale interval by using a plurality of corresponding filling circles to generate a drawing path.
And S104, controlling a mechanical arm to draw on a drawing carrier according to the drawing path to obtain a drawing corresponding to the original image.
First, it should be noted that the drawing method of a tiled circle according to any embodiment of the present invention is applicable to a drawing robot.
In step 101, the original image to be drawn may be acquired by various different terminal devices, such as a mobile phone, a computer, a tablet, and the like, or may be selected by the data image data stored in the drawing robot. After the original image is acquired, the original image is subjected to a gray scale process to obtain a gray scale image, and in a preferred embodiment, the gray scale process is performed on the original image by:
calculating the gray value of each image pixel point in the original image through the following formula, and carrying out gray processing on the original image to obtain a gray image;
f(i,j)＝0.30R(i,j)+0.59G(i,j)+0.11B(i,j)；
wherein f (i, j) is a gray scale conversion function, i, j represents the position of a pixel point in a two-dimensional space vector, namely the ith row and the jth column; r (i, j) is the R value in the RGB color mode of the pixel point of the ith row and the jth column; g (i, j) is the G value in the RGB color mode of the pixel point of the ith row and the jth column; and B (i, j) is the B value in the RGB color mode of the pixel point of the ith row and the jth column. And calculating the gray value of each pixel point of each image according to the formula, wherein the value range is 0-255, so that the images are in a black, white and gray state.
In step S102, it is preferable to divide the gray scale values of 0 to 255 into a plurality of preset gray scale sections from deep to shallow, and set circles (i.e., the filled circles) with different diameters for each section.
In a preferred embodiment, the diameter of the filling circle corresponding to the preset gray scale interval is in direct proportion to the interval gray scale value of the preset gray scale interval. That is, the smaller the interval gray-scale value, the smaller the diameter of the corresponding filling circle, and the larger the interval gray-scale value, the larger the diameter of the corresponding filling circle.
For example, the gray scale value of 0-255 is divided into a plurality of preset gray scale intervals by taking 30-50 as a segment: 0 to 30, 31 to 80, 81 to 130, 131 to 160, 161 to 200, 201 to 255.
And sequentially setting a circle with a preset specification size for each interval from small to large according to the sequence from 0-255 from small to large of the corresponding circle from deep to shallow, and performing area tiling. 0-30, deepest, corresponding to the circle with the smallest diameter size; 31 to 80 times corresponding to a circle with a slightly larger diameter; sequentially increasing to set; the area above 201 is left blank;
because different gray values represent different light and shade effects in different areas in the original image, the light and shade effect of the finally generated drawing image is controlled by tiling circles of different sizes, for a preset gray level interval with a smaller interval gray value (which can be understood as the maximum gray value of the preset gray level interval), the color of the area is darker, and at this time, the smaller circle needs to be tiled, so that in the area with the same size, the smaller the diameter of the filled circle is, the larger the number of the filled circles is, and finally, compared with the area filled with the filled circle with the larger diameter, the overall displayed effect is darker, so that the light and shade effect of each area in the original image can be embodied. In practical situations, the diameter of the filling circle corresponding to each preset gray scale interval can be set according to a certain proportion according to the size of the painting carrier (such as canvas and drawing paper).
In step S103, after dividing each image pixel point into different preset gray scale intervals, the diameter of the filling circle to be used when drawing the image area formed by the image pixel points in each different preset gray scale interval can be obtained.
Specifically, in a preferred embodiment, the image areas formed by image pixels located in the same preset gray scale interval are tiled and filled by using a plurality of corresponding filling circles until the image areas are fully tiled, wherein the image areas formed by the image pixels located in the same preset gray scale interval are the drawing paths of the areas to be filled by using the filling circles with corresponding specification diameters in the order from top to bottom and from left to right (certainly, the filling circles can be tiled in the order from bottom to top and from right to left, and the specific order can be adaptively adjusted according to the actual situation); according to the method, the drawing paths of the areas to be filled corresponding to the different preset gray scale intervals can be obtained, and therefore the drawing paths of the drawing corresponding to the original image are generated.
In a preferred embodiment, when performing tiling by using a filling circle, the tiling can be started by using the first pixel point of the region to be filled as a point on the arc of the first filling circle in the order from top to bottom and from left to right (other orders are also possible).
And step S104, generating an electric processing signal according to the drawing path obtained in step S103, and controlling the mechanical arm to clamp the brush to draw on the drawing carrier. Wherein, the painting carrier can be but not limited to canvas, drawing paper and the like;
in a preferred embodiment, when the electrical processing signal is generated according to the drawing path, the total consumed time of various drawing schemes is calculated according to the coordinate of a pen-down point, the coordinate of a pen-up point, the number of times of pen-down, the number of times of pen-up, and the time required by the displacement distance of the mechanical arm when the path is switched to the next path to start drawing when drawing of each circular drawing path is completed, and the drawing scheme with the least consumed time is selected to generate the electrical processing signal to control the mechanical arm to clamp the brush to draw on the drawing carrier. The resulting pictorial representation has the imaging effect shown in FIG. 2
In a preferred embodiment, before controlling the mechanical arm to draw on the drawing carrier according to the drawing path to obtain the pictorial representation corresponding to the original image, the method further comprises: and generating an electronic edition preview image according to the drawing path. Specifically, the drawing path is scaled in an equal proportion according to the sizes of the drawing path and the image display area, so that the drawing path is scaled and set to a specified drawing area in the image display area, and the electronic edition preview image is produced. The preview image of the electronic version is generated before the drawing premise, so that the preview image can be referred by a user, and if the user feels unsatisfied, the drawing process can be stopped, so that waste is avoided.
Correspondingly, an embodiment of the apparatus item is provided on the basis of the embodiment of the method item;
as shown in fig. 3, an embodiment of the present invention provides a drawing device for tiling a circle, including: the device comprises a gray level processing module, a pixel point dividing module, a drawing path generating module and a drawing module;
the gray processing module is used for acquiring an original image and carrying out gray processing on the original image to obtain a gray image;
the pixel point dividing module is used for dividing each image pixel point into each preset gray level interval according to the gray level value of each image pixel point in the gray level image; each preset gray scale interval corresponds to a filling circle, and the diameters of the filling circles corresponding to different preset gray scale intervals are different;
the drawing path generation module is used for tiling and filling image areas formed by image pixel points in the same preset gray scale interval by using corresponding filling circles to generate a drawing path;
and the drawing module is used for controlling the mechanical arm to draw on the drawing carrier according to the drawing path to obtain the drawing corresponding to the original image.
In a preferred embodiment, the system further comprises an image preview module; the image preview module is used for generating an electronic edition preview image according to the drawing path.
It is to be understood that the above-mentioned embodiments of the apparatus correspond to the method of the present invention, and the method of drawing the tiled circles provided by any of the above-mentioned embodiments of the method of the present invention can be implemented.
It should be noted that the above-described device embodiments are merely illustrative, wherein the modules described as separate parts may or may not be physically separate, and the parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort. The schematic is merely an example of a tiled circular drawing apparatus and does not constitute a limitation of a tiled circular drawing apparatus and may include more or fewer components than shown, or some components in combination, or different components.
On the basis of the above method item embodiments, terminal equipment item embodiments are provided.
Another embodiment of the present invention provides a drawing terminal device for a tiled circle, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the drawing method for a tiled circle according to any one of the method embodiments of the present invention when executing the computer program.
Illustratively, the computer program may be partitioned into one or more modules that are stored in the memory and executed by the processor to implement the invention. The one or more module elements may be a series of instruction segments of a computer program capable of performing a specific function, and the instruction segments are used for describing the execution process of the computer program in the drawing terminal device of the tiled circle.
The tiled circular drawing device may include, but is not limited to, a processor, a memory. Those skilled in the art will appreciate that the drawing end device, e.g., the tiled circle, may also include input-output devices, network access devices, buses, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the drawing terminal device for the tile circle, and various interfaces and lines connecting the various parts of the drawing terminal device for the entire tile circle.
The memory may be used to store the computer programs and/or modules, and the processor may implement various functions of the drawing terminal device of the tiled circle by running or executing the computer programs and/or modules stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
On the basis of the method item embodiment, a storage medium item embodiment is correspondingly provided;
an embodiment of the present invention provides a storage medium, where the storage medium includes a stored computer program, where the storage medium is controlled by a device to execute the method for drawing a tiled circle according to any one of the method embodiments of the present invention when the computer program runs.
It should be noted that the storage medium is a computer-readable storage medium. The drawing device/terminal device integrated module of the tiled circular shape, if implemented in the form of a software functional unit and sold or used as a stand-alone product, can be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, etc.
The embodiment of the invention has the following beneficial effects:
1. for the drawing robot provides one kind through the tiling circular, carry out the drawing mode of drawing, improve drawing robot's drawing creation's ability.
2. And filling the areas with different gray values by circles with different diameters, so that the light and shade relation between the painting and the original image is kept consistent.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. A method for drawing a tiled circle, comprising:
acquiring an original image and carrying out gray level processing on the original image to obtain a gray level image;
dividing each image pixel point into each preset gray interval according to the gray value of each image pixel point in the gray image; each preset gray scale interval corresponds to a filling circle, and the diameters of the filling circles corresponding to different preset gray scale intervals are different;
tiling and filling an image area formed by image pixel points in the same preset gray scale interval by using a plurality of corresponding filling circles to generate a drawing path;
and controlling a mechanical arm to draw on a drawing carrier according to the drawing path to obtain a drawing corresponding to the original image.
2. A method of painting a tile circle as defined in claim 1, further comprising, before said controlling a robotic arm to draw on a painting support according to said painting path to obtain a pictorial representation corresponding to said original image: and generating an electronic edition preview image according to the drawing path.
3. A method as claimed in claim 1, wherein the diameter of the filling circle corresponding to the predetermined gray scale interval is proportional to the gray scale value of the predetermined gray scale interval.
4. A method for drawing a tiled circle as claimed in claim 1, wherein said original image is processed in grayscale to obtain a grayscale image, specifically:
calculating the gray value of each pixel point in the original image through the following formula, and carrying out gray processing on the original image to obtain a gray image;
f(i,j)＝0.30R(i,j)+0.59G(i,j)+0.11B(i,j)；
wherein f (i, j) is a gray scale conversion function, i, j represents the position of a pixel point in a two-dimensional space vector, namely the ith row and the jth column; r (i, j) is the R value in the RGB color mode of the pixel point of the ith row and the jth column; g (i, j) is the G value in the RGB color mode of the pixel point of the ith row and the jth column; and B (i, j) is the B value in the RGB color mode of the pixel point of the ith row and the jth column.
5. The utility model provides a tiling circular shape drawing device which characterized in that includes: the device comprises a gray level processing module, a pixel point dividing module, a drawing path generating module and a drawing module;
the gray processing module is used for acquiring an original image and carrying out gray processing on the original image to obtain a gray image;
the pixel point dividing module is used for dividing each image pixel point into each preset gray level interval according to the gray level value of each image pixel point in the gray level image; each preset gray scale interval corresponds to a filling circle, and the diameters of the filling circles corresponding to different preset gray scale intervals are different;
the drawing path generation module is used for tiling and filling image areas formed by image pixel points in the same preset gray scale interval by using corresponding filling circles to generate a drawing path;
and the drawing module is used for controlling the mechanical arm to draw on the drawing carrier according to the drawing path to obtain the drawing corresponding to the original image.
6. A tile circular drawing device as recited in claim 5, further comprising an image preview module; the image preview module is used for generating an electronic edition preview image according to the drawing path.
7. A tiled, circular drawing terminal device comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, when executing the computer program, implementing a tiled, circular drawing method according to any of claims 1 to 4.
8. A storage medium comprising a stored computer program, wherein the computer program when executed controls an apparatus on which the storage medium is located to perform the method of drawing a tiled circle according to any one of claims 1 to 4.
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