CN111640163A - Image synthesis method and computer-readable storage medium - Google Patents
Image synthesis method and computer-readable storage medium Download PDFInfo
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- CN111640163A CN111640163A CN202010496274.XA CN202010496274A CN111640163A CN 111640163 A CN111640163 A CN 111640163A CN 202010496274 A CN202010496274 A CN 202010496274A CN 111640163 A CN111640163 A CN 111640163A
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06T11/00—2D [Two Dimensional] image generation
- G06T11/40—Filling a planar surface by adding surface attributes, e.g. colour or texture
Abstract
The invention discloses an image synthesis method and a computer-readable storage medium. The image synthesis method comprises the following steps: processing to obtain a plurality of layers with the same shape, wherein each layer is divided into a transparent area and a filling area, and the filling area of each layer is different in position; performing image filling processing on the filling area of each layer according to a preset filling mode; sequentially overlapping the layers according to a preset layer overlapping sequence to obtain an overlapped image with a plurality of filling areas; and identifying each filling area of the superposed image to obtain a composite image. According to the technical scheme, the image is processed into a plurality of layers with the same shape, each layer is filled with an independent filling area, and each layer is distinguished from the filling area by a transparent area, so that boundary lines do not need to be divided on the image, the boundary feeling among the filling areas is not obvious, and the integrity of the image is stronger.
Description
Technical Field
The invention relates to the technical field of image synthesis, in particular to an image synthesis method and a computer readable storage medium.
Background
In the existing image processing technology, when a plurality of filling areas exist on an image, boundary lines of the filling areas are drawn on the image firstly, then image processing is carried out on the different filling areas divided according to the boundary lines, the filled image is processed by the existing image processing technology, the existence of the boundary lines among the filling areas enables the different filling areas to present obvious boundary feeling, the existence of the boundary lines enables the images to have stronger cutting feeling, and particularly when the boundaries are zigzag, the boundary lines are dense, so that the whole image looks more disordered.
Disclosure of Invention
The invention mainly aims to provide an image synthesis method, and aims to solve the problem that boundary lines between different filling areas are obvious when filling is carried out in the prior art.
In order to achieve the above object, the image synthesis method provided by the present invention comprises the following steps:
processing to obtain a plurality of layers with the same shape, wherein each layer is divided into a transparent area and a filling area, and the filling area of each layer is different in position;
carrying out image filling processing on the filling area of each layer according to a preset filling mode;
sequentially overlapping the layers according to a preset layer overlapping sequence to obtain an overlapped image with a plurality of filling areas;
and identifying each filling area of the superposed image to obtain a composite image.
Preferably, the step of processing to obtain a plurality of layers having the same shape includes:
acquiring a frame of the image;
positioning each filling area relative to the frame according to the frame of the image;
and establishing a layer frame which is the same as the frame for each layer, positioning the filling area relative to the layer frame, and obtaining a plurality of layers with the same edge shape.
Preferably, the step of dividing each layer into a transparent area and a filling area includes:
establishing a plane rectangular coordinate system on each layer, and corresponding each pixel on each layer to a specific coordinate;
according to the pixel coordinates on each layer, carrying out region division on each pixel point on each layer so as to divide each pixel into a transparent region or a filling region;
and forming a transparent coordinate set by using the coordinates corresponding to the pixels of each transparent area, forming a filling coordinate set by using the coordinates corresponding to the pixels of each filling area, and dividing each layer into a filling area and a transparent area according to the transparent coordinate set and the filling coordinate set.
Preferably, the step of identifying each of the filling areas of the superimposed image to obtain the composite image includes:
establishing an identification layer, wherein the bottom color of the identification layer is transparent;
adding an identifier on the identifier layer;
and superposing the identification image layer and the superposed image to obtain a composite image.
Preferably, after the step of establishing the identification layer, the step of establishing the identification layer with the bottom color of the identification layer being a transparent color includes:
acquiring the filling area of each layer;
and dividing an identification area on the identification layer, wherein the position of the identification area corresponds to all the filling areas.
Preferably, the step of dividing the identification area on the identification layer includes:
acquiring distinguishing pixels of each identification area, which are separated from other identification areas by preset distances;
setting the distinguishing pixel to be a preset distinguishing color;
the step of superimposing the identification layer and the superimposed image includes:
changing the preset distinguishing color of the distinguishing pixels on the identification layer into a transparent color;
and overlapping the identification image layer with the superposed image.
Preferably, the step of obtaining the composite image by superimposing the identification layer on the superimposed image includes:
dividing an identification area on the identification layer;
acquiring an identification area of the identification layer, wherein the identification area corresponds to the filling area of the superposed image;
obtaining pixels in the identification area, and calculating the transparent color pixel proportion of the transparent color pixels;
judging whether the transparent color ratio is greater than a preset value;
if not, taking the image in the identification area of the identification image layer as a composite image after the image layers are overlapped.
Preferably, after the step of determining whether the transparent color ratio is greater than a preset value, the method further includes:
if so, acquiring an identifier added in the identifier area of the identifier layer and a first pixel corresponding to the identifier;
acquiring a second pixel at a position corresponding to the first pixel in the overlay map layer;
and replacing the second pixel in the superposition image layer with the first pixel, wherein the replaced superposition image layer is used as a composite image after image layer superposition.
Preferably, before the step of processing to obtain a plurality of layers having the same shape, the method includes:
establishing a backup layer, and acquiring all filling areas and images in the filling areas;
and overlaying all images in the filling area into the backup image layer.
To achieve the above object, the present invention further provides a computer-readable storage medium having a computer program stored thereon, the computer program, when executed by a processor, implementing the image synthesis method described above.
According to the technical scheme, when the image is filled, the image is processed into a plurality of layers with the same shape, each layer is filled with an independent filling area, each layer is divided into the transparent area and the filling area, and then the layers are superposed, so that boundary lines do not need to be divided on the image, the boundary feeling between the filling areas is not obvious, and the integrity of the image is stronger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a first embodiment of an image synthesis method according to the present invention;
the objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, to achieve the above object, the image synthesis method provided by the present invention includes the following steps:
s100, processing to obtain a plurality of layers with the same shape, wherein each layer is divided into a transparent area and a filling area, and the filling area of each layer is different in position;
s200, performing image filling processing on the filling area of each layer according to a preset filling mode;
s300, sequentially overlapping the layers according to a preset layer overlapping sequence to obtain an overlapped image with a plurality of filling areas;
s400, identifying each filling area of the superposed image to obtain a composite image.
According to the technical scheme, when the image is filled, the image is processed into a plurality of layers with the same shape, each layer is filled with an independent filling area, each layer is divided into the transparent area and the filling area, and then the layers are superposed, so that boundary lines do not need to be divided on the image, the boundary feeling between the filling areas is not obvious, and the integrity of the image is stronger.
Based on the first embodiment of the image synthesis method according to the present invention, in the second embodiment of the image synthesis method according to the present invention, the step of obtaining a plurality of layers having the same shape by the processing in step S100 includes the steps of:
s110, obtaining a frame of the image;
s120, positioning each filling area relative to the frame according to the frame of the image;
s130, establishing a layer frame which is the same as the frame for each layer, positioning the filling area relative to the layer frame, and obtaining a plurality of layers with the same edge shape.
Specifically, the size of the layer is determined through the frame of the image, so that the size of the layer is the same, the filling area can be positioned through the frame, and different layers can be positioned through the frame when the layers are overlapped.
Based on the first embodiment of the image synthesis method according to the present invention, in a third embodiment of the image synthesis method according to the present invention, the step of dividing each layer in step S100 into a transparent area and a filling area includes:
s140, establishing a plane rectangular coordinate system on each layer, and corresponding each pixel on each layer to a specific coordinate;
s150, according to the pixel coordinates on each layer, performing area division on each pixel point on each layer to divide each pixel into a transparent area or a filling area;
and S160, forming a transparent coordinate set by the coordinates corresponding to the pixels of each transparent area, forming a filling coordinate set by the coordinates corresponding to the pixels of each filling area, and dividing each layer into a filling area and a transparent area according to the transparent coordinate set and the filling coordinate set.
Specifically, a planar rectangular coordinate system is established, the planar rectangular coordinate system positions each pixel of the image, after the image is divided into areas, each pixel is divided into different filling areas, the pixels in the different filling areas are converted into filling coordinate sets through one-to-one corresponding coordinates, the range of the pixels in the filling area neutral is converted into the filling coordinate sets, the range of the pixels not in the filling areas is converted into the transparent coordinate sets, when the pixels are modified, the pixels are modified through the filling areas and the transparent coordinate sets, and the modification is more accurate.
Based on the first embodiment of the image synthesis method of the present invention, in the fourth embodiment of the image synthesis method of the present invention, after the step of S400, the method includes:
s410, establishing an identification layer, wherein the bottom color of the identification layer is transparent;
s420, adding an identifier on the identifier layer;
and S430, overlapping the identification image layer with the superposed image to obtain a composite image.
Specifically, the method of establishing the identification layers for identification and then overlapping the identification layers can prevent the overlapped layers from being damaged, can overlap a plurality of identification layers, and overlaps the identification layers according to a preset overlapping sequence when overlapping the identification layers, thereby realizing identification of various different types on the image. Different priority levels are set for different identification layers according to the importance of the identification, the layer with the low priority level is firstly superposed with the superposed layer, the layer with the high priority level is then superposed with the superposed layer, the layer with the high priority level is preferentially displayed, and more particularly, the size of the identification layer is the same as that of the image frame.
Based on the fourth embodiment of the image synthesis method of the present invention, in the fifth embodiment of the image synthesis method of the present invention, after the step S410, the method includes:
s411, acquiring the filling area of each layer;
and S412, dividing an identification area on the identification layer, wherein the position of the identification area corresponds to all the filling areas.
Specifically, the area division of the identification layer is consistent with the filling area division, and when the identification layer is modified, different filling areas can be accurately identified. More specifically, when the area division is performed on the identification layer, the same two-dimensional coordinate system as that on the layer is established on the identification layer, so that the corresponding position of the identification on the identification layer on the image can be accurately known through the pixel coordinates, different filling coordinate sets corresponding to the filling areas can be obtained, and the filling areas are divided on the identification layer according to the filling coordinate sets.
Based on the fifth embodiment of the image synthesis method according to the present invention, in the sixth embodiment of the image synthesis method according to the present invention, the step of S412 includes:
s413, acquiring a distinguishing pixel of each identification area, which is separated from other identification areas by a preset distance;
s414, setting the distinguishing pixel as a preset distinguishing color;
the step of superimposing the identifier layer and the superimposed image in the step S400 includes:
s415, changing the preset distinguishing color of the distinguishing pixel on the identifier layer into a transparent color;
and S416, overlapping the identification image layer with the superposed image.
Specifically, the distinguishing pixels of each identification area, which are separated from other identification areas by a preset distance, are set as distinguishing lines formed by connecting the distinguishing colors to distinguish different filling areas, the preset distance is the pixels of each identification area, which are separated from other identification areas by a specific number of pixels, the distance is judged by the specific number of pixels, the whole image layer is directly distinguished by the distinguishing lines when being modified, and the distinguishing colors are returned to be transparent when the identification image layer and the superposed image are superposed, so that the distinguishing lines of the superposed image layer are prevented from appearing. More specifically, if the distinguishing color is modified to the logo, the modified distinguishing pixel does not fall back to the transparent color.
Based on the fourth embodiment of the image synthesis method according to the present invention, in the seventh embodiment of the image synthesis method according to the present invention, the step of S430 includes:
s431, dividing an identification area on the identification layer;
s432, obtaining an identification area of the identification layer, wherein the identification area corresponds to the filling area of the superposed image;
s433, obtaining the pixels in the identification area, and calculating the transparent color pixel proportion of the transparent color pixels;
s434, judging whether the transparent color ratio is larger than a preset value;
if not, executing step S435, and taking the image in the identification area of the identification layer as a composite image after layer superposition.
Specifically, when the transparent color of the layer in the identification area of the identification layer is less, the layer is not overlapped, the calculated amount is reduced, the identification area of the identification layer is directly used, more specifically, pixels with the transparent color in the layer are filled according to the color of the pixels near the pixels with the transparent color, and the number of the pixels with the transparent color is divided by the number of all the pixels in the current filling area.
Based on the seventh embodiment of the image synthesis method according to the present invention, in the eighth embodiment of the image synthesis method according to the present invention, the step of S434 is followed by:
if yes, executing step S436 to obtain an identifier added in the identifier area of the identifier layer and a first pixel corresponding to the identifier;
s437, obtaining a second pixel in the overlay layer at a position corresponding to the first pixel;
and S438, replacing a second pixel in the overlay image layer with a first pixel, and taking the overlay image layer after replacement as a composite image after image layer overlay.
Specifically, since the number of the first pixels is small, when performing the overlay, replacing the second pixels with the first pixels has higher efficiency and occupies less computing resources. More specifically, the step of replacing the second pixel with the first pixel is: and establishing a two-dimensional coordinate system on the superposed image, which is the same as that on the identification layer, acquiring a second coordinate of the superposed image according to the first coordinate of the first pixel on the identification layer, and replacing the second pixel on the second coordinate of the superposed image with the first pixel.
Based on the first embodiment of the image synthesis method of the present invention, in a ninth embodiment of the image synthesis method of the present invention, the step of S100 is preceded by:
s110, establishing a backup layer, and acquiring all filling areas and images in the filling areas;
and S120, overlaying all the images in the filling area into the backup image layer.
Specifically, after a part of layers are damaged due to misoperation, the original image cannot be restored, and the damaged layers can be restored to the original image of the corresponding filling area through the backup layers, more specifically, when the backup layers are subjected to image layer superposition, the backup layers are not superposed, or the superposed image is covered on the backup layers.
In order to achieve the above object, the present invention further provides a computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when executed by a processor, the computer program implements the image synthesis method according to any one of the above.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a computer-readable storage medium (such as ROM/RAM, magnetic disk, and optical disk) as described above, and includes several instructions for enabling a terminal device to enter the method according to the embodiments of the present invention.
In the description herein, references to the description of the term "one embodiment," "another embodiment," or "first through xth embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, method steps, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An image synthesis method, characterized by comprising the steps of:
processing to obtain a plurality of layers with the same shape, wherein each layer is divided into a transparent area and a filling area, and the filling area of each layer is different in position;
carrying out image filling processing on the filling area of each layer according to a preset filling mode;
sequentially overlapping the layers according to a preset layer overlapping sequence to obtain an overlapped image with a plurality of filling areas;
and identifying each filling area of the superposed image to obtain a composite image.
2. The image synthesis method according to claim 1, wherein the step of processing a plurality of layers having the same shape includes:
acquiring a frame of the image;
positioning each filling area relative to the frame according to the frame of the image;
and establishing a layer frame which is the same as the frame for each layer, positioning the filling area relative to the layer frame, and obtaining a plurality of layers with the same edge shape.
3. The image synthesis method according to claim 1, wherein the step of dividing each image layer into a transparent region and a filling region comprises:
establishing a plane rectangular coordinate system on each layer, and corresponding each pixel on each layer to a specific coordinate;
according to the pixel coordinates on each layer, carrying out region division on each pixel point on each layer so as to divide each pixel into a transparent region or a filling region;
and forming a transparent coordinate set by using the coordinates corresponding to the pixels of each transparent area, forming a filling coordinate set by using the coordinates corresponding to the pixels of each filling area, and dividing each layer into a filling area and a transparent area according to the transparent coordinate set and the filling coordinate set.
4. The image synthesis method according to claim 1, wherein the step of identifying each of the filled regions of the superimposed image to obtain the synthesized image comprises:
establishing an identification layer, wherein the bottom color of the identification layer is transparent;
adding an identifier on the identifier layer;
and superposing the identification image layer and the superposed image to obtain a composite image.
5. The image synthesis method according to claim 4, wherein the step of creating the identification layer, in which the bottom color of the identification layer is transparent, is followed by:
acquiring the filling area of each layer;
and dividing an identification area on the identification layer, wherein the position of the identification area corresponds to all the filling areas.
6. The image synthesis method according to claim 5, wherein the step of dividing the identification area on the identification layer includes:
acquiring distinguishing pixels of each identification area, which are separated from other identification areas by preset distances;
setting the distinguishing pixel to be a preset distinguishing color;
the step of superimposing the identification layer and the superimposed image includes:
changing the preset distinguishing color of the distinguishing pixels on the identification layer into a transparent color;
and overlapping the identification image layer with the superposed image.
7. The image synthesis method according to claim 4, wherein the step of superimposing the identification layer on the superimposed image to obtain the synthetic image includes:
dividing an identification area on the identification layer;
acquiring an identification area of the identification layer, wherein the identification area corresponds to the filling area of the superposed image;
obtaining pixels in the identification area, and calculating the transparent color pixel proportion of the transparent color pixels;
judging whether the transparent color ratio is greater than a preset value;
if not, taking the image in the identification area of the identification image layer as a composite image after the image layers are overlapped.
8. The image synthesis method according to claim 7, wherein after the step of determining whether the transparent color ratio is greater than a preset value, the method further comprises:
if so, acquiring an identifier added in the identifier area of the identifier layer and a first pixel corresponding to the identifier;
acquiring a second pixel at a position corresponding to the first pixel in the overlay map layer;
and replacing the second pixel in the superposition image layer with the first pixel, wherein the replaced superposition image layer is used as a composite image after image layer superposition.
9. An image synthesis method according to any one of claims 1 to 8, wherein the step of processing a plurality of layers having the same shape is preceded by the step of:
establishing a backup layer, and acquiring all filling areas and images in the filling areas;
and overlaying all images in the filling area into the backup image layer.
10. A computer-readable storage medium, having stored thereon a computer program which, when executed by a processor, implements the image synthesis method according to any one of claims 1 to 9.
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| CN116936041A (en) * | 2023-09-18 | 2023-10-24 | 天河超级计算淮海分中心 | Medical image file processing method, electronic equipment and storage medium |
| CN116936041B (en) * | 2023-09-18 | 2023-12-22 | 天河超级计算淮海分中心 | Medical image file processing method, electronic equipment and storage medium |
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