CN110519517B - Copy guiding method, electronic device and computer readable storage medium - Google Patents
Copy guiding method, electronic device and computer readable storage medium Download PDFInfo
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- CN110519517B CN110519517B CN201910818102.7A CN201910818102A CN110519517B CN 110519517 B CN110519517 B CN 110519517B CN 201910818102 A CN201910818102 A CN 201910818102A CN 110519517 B CN110519517 B CN 110519517B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/752—Contour matching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
- H04N23/675—Focus control based on electronic image sensor signals comprising setting of focusing regions
Abstract
The invention provides a copy guiding method, an electronic device and a computer readable storage medium, wherein the method comprises the following steps: displaying target drawing paper in a preview picture of the electronic equipment, and displaying a target copy template on a layer above the layer where the preview picture is located; collecting the position information of the operation body on the target drawing paper; matching the position information with the template line; and if the position information is successfully matched with the position information of one of the original points forming the template line, displaying the original point in the target copy template in a target mode. In the method, a user can determine whether the point drawn on the target drawing paper is accurate or not by whether the original point on the template line is displayed in a target mode or not, so that a manuscript with higher similarity to the copied template is easily drawn; the method has no requirements on the thickness and the material of the target drawing paper, does not need to purchase additional equipment, and reduces the copying cost.
Description
Technical Field
The present invention relates to the field of mobile terminals, and in particular, to a copy guiding method, an electronic device, and a computer-readable storage medium.
Background
At present, the line structure of a drawn object needs to be drawn in the first step of drawing, and if no good drawing foundation exists, the good line structure is difficult to draw, so most drawing enthusiasts select a method for copying a model book to obtain a manuscript of the line structure.
However, the existing copying method is single, and cannot ensure the copying effect, taking copying watercolor pictures as an example, the inventor finds that in the research process of the prior art, traditional copying needs thinner paper, watercolor paper needs stronger water absorption, so the watercolor paper is usually thicker cotton pulp paper, the light transmittance of the cotton pulp paper is not good, so the traditional copying method is not suitable for line structures of the watercolor pictures, and the copying effect is poor. Many professional watercolor enthusiasts copy watercolor paper under the background of a template with high light. The method needs to purchase additional equipment, needs to add an additional expense and causes higher cost.
Disclosure of Invention
The invention provides a copy guiding method, electronic equipment and a computer readable storage medium, and aims to solve the problems of single copy method, poor copy effect and high cost in the prior art.
In a first aspect, an embodiment of the present invention provides a copy guiding method, which is applied to an electronic device, and the method includes:
displaying target drawing paper in a preview picture of the electronic equipment;
displaying a target copy template on a layer above the layer where the target drawing paper is located, wherein the target copy template comprises one or more template lines;
collecting the position information of the operation body on the target drawing paper;
matching the position information with the template line;
and if the position information is successfully matched with the position information of one of the original points forming the template line, displaying the original point in the target copy template in a target mode.
In a second aspect, an embodiment of the present invention provides a mobile terminal, where the mobile terminal includes:
the target drawing display module is used for displaying the target drawing in a preview picture of the electronic equipment;
the template display module is used for displaying a target copy template on a layer above the layer where the target drawing paper is located, wherein the target copy template comprises one or more template lines;
the acquisition module is used for acquiring the position information of the operation body on the target drawing paper;
the first matching module is used for matching the position information with the template lines;
and the first display module is used for displaying the original point in the target copy template in a target mode if the position information is successfully matched with the position information of one original point forming the template line.
In a third aspect, an embodiment of the present invention provides a mobile terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the copy guiding method according to the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the copy guiding method according to the first aspect.
The embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, target drawing paper is displayed in a preview picture of the electronic equipment, and a target copy template is displayed on a picture layer above the picture layer where the preview picture is located, wherein the target copy template comprises one or more template lines; collecting the position information of the operation body on the target drawing paper; matching the position information with the template line; and if the position information is successfully matched with the position information of one of the original points forming the template line, displaying the original point in the target copy template in a target mode. In the method, when a user draws on target drawing paper, the mobile terminal collects position information of a pen point in real time to track a motion track of the pen point, and when the position information of the pen point is matched with an original point in a template line, the original point is displayed in a target mode, so that the user can accurately determine whether a point drawn on the target drawing paper is accurate or not by whether the original point on the template line is displayed in the target mode, and therefore the user can easily draw a manuscript which is high in similarity with a copy template; the method has no requirements on the thickness and the material of the target drawing paper, and does not need to purchase additional equipment, thereby not only ensuring the copying effect, but also reducing the copying cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 shows one of the flowcharts of the copy guiding method provided in the embodiment of the present invention;
FIG. 2 is a schematic diagram of a target drawing displayed in a preview interface of an electronic device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a selected target copy template provided in an embodiment of the present invention;
FIG. 4 is a diagram illustrating a target copy template displayed in a preview screen according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating exemplary lines provided in an embodiment of the present invention in a targeted manner;
fig. 6 shows a second flowchart of the copy guiding method according to the embodiment of the present invention;
fig. 7 shows one of the configuration block diagrams of the electronic apparatus provided in the embodiment of the present invention;
fig. 8 is a second block diagram showing the configuration of an electronic apparatus according to the embodiment of the present invention;
fig. 9 is a schematic diagram of a hardware structure of a terminal device in which embodiments of the present invention are implemented.
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 some, not all, embodiments of the present invention. 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.
Referring to fig. 1, one of the flowcharts of the copy guiding method provided in the embodiment of the present invention is shown. The method is applied to an electronic device, and the electronic device described in the embodiment of the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The copy guiding method specifically comprises the following steps:
In an embodiment of the invention, a user first prepares to copy a desired target drawing and operates the device. The operating device is a device which is used by a user during copying and can leave marks on target drawing paper, such as a painting brush, chalk, charcoal stick, electronic pen and the like. The operation device leaves a mark on the target drawing sheet using its tip, which is defined as an operation body in the embodiment of the present invention. Then, the user fixes the electronic device above the target drawing paper by using the support, and then starts a camera of the electronic device to enter a preview interface. At this time, the rear-end camera of the electronic device can collect the target drawing paper which is positioned below the electronic device and faces the shooting lens, and then the target drawing paper is displayed in a preview interface of the camera of the electronic device.
In addition, the electronic equipment can collect the characteristic information of the operation body and display the position of the operation body on the target drawing paper in the preview interface.
Specifically, the electronic device may be horizontally suspended above the target drawing paper by using a mobile phone holder, and after a preview picture of a camera of the electronic device is opened, the position of the target drawing paper is adjusted by observing an image of the target drawing paper in the preview picture, so that the target drawing paper is displayed at the main body position of the preview interface.
Optionally, after displaying the target drawing in the preview screen of the electronic device, the method further includes:
and adjusting the display area of the target drawing paper in the preview picture through a zooming function or a wide-angle shooting mode of a camera of the electronic equipment.
In the embodiment of the invention, the focal length can be pushed or pulled to be close or far through the digital zoom function, namely the zoom function, of the camera, so that the target drawing paper which is mapped on the photosensitive component through the lens is locally enlarged or reduced, or the wide-angle shooting mode of the camera can be started, so that the visual angle of the lens is wider, a complete picture of the target drawing paper is displayed in a preview picture, and the purpose of adjusting the display area of the target drawing paper in the preview picture is achieved. In general, the display area of the target drawing in the preview screen can be adjusted to the maximum display area, so that the details on the target drawing can be displayed more clearly in the preview screen.
Referring to fig. 2, a schematic diagram of a target drawing displayed in a preview interface of an electronic device according to an embodiment of the present invention is shown.
As shown in fig. 2, a is the electronic device, the dotted frame shown in S1 is a preview interface of the camera of the electronic device a, S2 is an image of the target drawing displayed in the preview interface S1, and the arrow shown in S3 is the position of the pen tip of the brush on the target drawing image. The image S2 of the target drawing may be displayed in the preview interface S1 by adjusting the position of the target drawing. Further, the image S2 of the target drawing can be made to have the largest display area on the preview screen by the zoom function or the wide-angle shooting mode of the camera of the electronic apparatus.
And 102, displaying the target copy template on a layer above the layer where the target drawing paper is located, wherein the target copy template comprises one or more template lines.
In the embodiment of the invention, after the target drawing paper is displayed in the preview picture of the electronic equipment, a user can enter the copying template library of the electronic equipment to select the target copying template to be copied. The model is imitatied to the target comprises one or more model lines, and the user can obtain the manuscript of watercolor through imitating the model lines on the target drawing paper.
Referring to fig. 3, a schematic diagram of a selected target copy template provided in an embodiment of the present invention is shown.
As shown in fig. 3, the pictures P1 and P2 … … P12 in the copy template library are tiled on the interface of the electronic device, and the user can view the details of the pictures by clicking on a specific picture, and then select a target copy template that needs to be copied, for example, select P1 as the target copy template.
And responding to the operation of selecting the target copying template by the user, and displaying the target copying template on the layer on the uppermost layer of the preview picture by the electronic equipment. Aiming at the scheme, the drawing is a layer on a layer where the target drawing paper is located. At this time, the target copy template is displayed on the uppermost layer of the preview screen with the target drawing paper overlaid thereon.
Referring to fig. 4, a schematic diagram of a target copy template provided in the embodiment of the present invention displayed in a preview screen is shown.
As shown in fig. 4, a picture P1 is a target copy template and is displayed on the preview screen of the electronic device, and the arrow shown in S3 is the pen tip position of the brush.
And 103, collecting the position information of the operation body on the target drawing paper.
In the embodiment of the invention, after the target copying template is displayed on the preview picture, a user copies template lines in the target copying template by observing the target copying template in the preview picture and using the operating equipment on the target drawing paper, in the copying process, the operating body of the operating equipment can move along with the drawing action of the user, and the camera of the electronic equipment tracks the movement of the operating body and collects the position information of the operating body in real time. Specifically, the operator can be regarded as a displaceable point, and coordinate information of the point in the target drawing sheet is position information of the operator.
And 104, matching the position information with the template line.
In the embodiment of the invention, the template line is composed of original points, each original point has own position information, and the position information is coordinate information of each original point in the target copy template. The position information of the operation body is matched with the template line, namely the coordinate information of the operation body is matched with the coordinate information of the original point forming the template line.
Specifically, a point located at the center of the target copy template may be used as a coordinate origin, and the coordinate origin may be used as a center of the coordinate origin, so as to determine coordinate information of each original point forming the template line; and determining the length of the interval between every two metering points on the coordinate axis of the target drawing paper according to the size proportion of the target copy template and the target drawing paper. For example, the size of the target copy template is 10 cm in height and 10 cm in width, the size of the target drawing paper is 20 cm in height and 20 cm in width, and if the length of the interval between every two measuring points on the target copy template is 1, the length of the interval between every two measuring points on the target drawing paper should be set to be 2, so that the coordinate information of the operation body on the target drawing paper and the coordinate information of the original point in the target copy template can be ensured to be subjected to original value matching.
Specifically, when the position information of the operation body on the target drawing paper is the coordinate point (X1, Y1), whether an original point of the template line exists at the coordinate point (X1, Y1) is detected on the target copy template, if so, it is determined that the position information of the operation body at this time matches the original point in the target copy template, and if not, it is determined that the position information of the operation body at this time does not match the original point in the target copy template.
And 105, if the position information is successfully matched with the position information of one original point forming the line of the template, displaying the original point in the target copy template in a target mode.
In the embodiment of the present invention, if there is a match between the position information of an original point and the position information of the operation body in the template line of the target copy template, it indicates that the point drawn on the target drawing paper by the user using the operation body is accurate. At this point, the original point may be displayed in a target-copy template in a target manner to prompt the user that the point just drawn is accurate. Conversely, if the matching is unsuccessful, the original point is not displayed in the target copy template in a target manner, so as to prompt the user that the drawn point is inaccurate. Specifically, displaying the original point in a target manner may include: and changing the display modes different from the initial display mode of the original point, such as changing the color of the original point, displaying the original point in an bold mode, displaying the original point in a fade mode and the like. For example, if the initial display color of the template line is black, the original point with successful matching is displayed in red.
By displaying the matched original points in a target mode, a user can know whether the copying of the user is accurate or not at any time, so that the user can conveniently erase and redraw inaccurate points or lines.
In practical applications, it may be less obvious that a certain original point is displayed in a target manner, but if a plurality of consecutive original points are successfully matched and are displayed in a target manner, a line displayed in a target manner may be formed. At this time, the user can clearly see the lines displayed in the template lines in the target manner, so that the user knows that the lines just drawn on the target drawing paper are accurate.
Referring to fig. 5, there is shown a schematic diagram showing a template line in a target manner provided in an embodiment of the present invention.
As shown in fig. 5, the template line L showing the character hair outline in the target copy template is shown in bold, at this time, the user can know that the line of the character hair outline drawn in the target drawing paper by himself matches with the template line, and then the remaining lines can be drawn.
In summary, in the embodiment of the present invention, a target drawing paper is displayed in a preview picture of an electronic device, and a target copy template is displayed on a layer above the layer where the preview picture is located, where the target copy template includes one or more template lines; collecting the position information of the operation body on the target drawing paper; matching the position information with the template line; and if the position information is successfully matched with the position information of one of the original points forming the template line, displaying the original point in the target copy template in a target mode. In the method, when a user draws on the target drawing paper, the electronic equipment acquires the position information of the operation body in real time to track the motion track of the operation body, and when the position information of the operation body is matched with one original point in the template line, the original point is displayed in a target mode, so that the user can accurately determine whether the point drawn on the target drawing paper is accurate or not by whether the original point on the template line is displayed in the target mode or not, and therefore a manuscript with higher similarity with a copy template is easily drawn; the method has no requirements on the thickness and the material of the target drawing paper, and does not need to purchase additional equipment, thereby not only ensuring the copying effect, but also reducing the copying cost.
Referring to fig. 6, a second flowchart of the copy guiding method provided in the embodiment of the present invention is shown, where the method is applied to an electronic device, and specifically, the method may include the following steps.
In the embodiment of the present invention, the copy guidance method is described in detail by taking the operation body as a brush.
First, in response to an opening operation of a copy mode for a camera of the electronic device, a user is prompted to take a shot sample of a picture of holding a pen.
After a user starts a camera of the electronic equipment, options of a copy mode appear in a camera interface, and the mode can guide the user to copy on target drawing paper by using the copy template. When the user selects the copying mode, a prompt language for guiding the user to shoot and sample the picture of holding the pen appears in the camera interface.
The user shows various frequent brush pen holding postures according to the prompt words for shooting and sampling, the pictures of the brush pen holding postures are displayed in a preview interface of the camera, the camera shoots the pictures of the brush pen holding postures at multiple angles, and after shooting is completed, the camera prompts that sampling is completed.
The multi-gesture multi-angle pen holding picture is shot, so that when a subsequent user copies on target drawing paper, the camera can track the position of a pen point no matter how the pen holding gesture of the user changes.
In the embodiment of the invention, after obtaining a plurality of sampling pictures with different pen holding postures and different angles, the electronic equipment displays the sampling pictures, intelligently identifies the pen point of the painting brush from each sampling picture, records the characteristic information of the pen point in each sampling picture, and obtains the characteristic information base of the pen point.
In the embodiment of the present invention, step 202 may refer to step 101, and is not described herein again.
In the embodiment of the present invention, step 203 may refer to step 102, which is not described herein again.
And step 204, extracting the position information of the operation body from a preview picture containing the target drawing paper according to the characteristic information of the operation body.
In the embodiment of the invention, after the target copy template is displayed on the preview picture, a user copies the template lines in the target copy template by using the painting brush on the target drawing paper by observing the target copy template in the preview picture. In the copying process, a picture of holding a pen by a user is also displayed in a preview interface, the pen point of the painting pen is intelligently identified in the picture of holding the pen by the camera through the characteristic information of the pen point of the painting pen collected before, and the position information of the pen point is extracted. Specifically, the pen tip of the brush may be regarded as a displaceable point, and coordinate information of the point in the preview screen, that is, position information of the pen tip.
Step 205 of displaying a motion trajectory composed of a plurality of pieces of position information on the target copy template on the preview screen.
In the embodiment of the invention, the displacement of the pen point of the brush pen generates a plurality of coordinate points which are continuous in time, the coordinate points are connected to obtain the motion trail of the point, and the motion trail of the pen point of the brush pen, namely the line drawn on the target drawing paper by the user, is also obtained. The motion trail is displayed in the target copying template in the preview interface, and the user can visually see the drawn lines because the target copying template is displayed on the uppermost layer. Like this, the user just can compare the lines that oneself was drawn and the lines in the model is imitatied to the target to the position of adjustment nib, and then draw and imitate the anastomotic lines of model with the target.
In addition, when showing the movement track of nib, can adopt normal lines to show, distinguish with the model lines that show with the target mode to supplementary user distinguishes the movement track of nib and the model lines that match successfully.
And step 206, matching a motion track formed by the position information with the template line.
In the embodiment of the invention, the pen point of the painting brush is regarded as a displaceable point, the displacement of the point generates a plurality of coordinate points which are continuous in time, and the coordinate points are connected to obtain the motion trail of the point, so that the motion trail of the pen point of the painting brush is obtained. Each template line is also composed of a plurality of original points with coordinate information.
And matching the motion trail formed by the position information with the template line, namely matching a plurality of time continuous coordinate points of the pen point of the painting brush with a plurality of original points forming the template line. The specific number of the coordinate points to be matched can be set according to specific application, and the specific value of the number of the coordinate points is not specifically limited in the embodiment of the invention.
And step 207, if the motion track formed by the plurality of position information is successfully matched with one of the template lines, displaying the template lines in the target copy template in a target mode.
In the embodiment of the invention, when a plurality of time continuous coordinate points of the pen point of the painting brush are successfully matched with a plurality of continuous original points forming a certain template line one by one, the motion trail of the pen point at the moment is completely consistent with the template line, and the user draws the segment of the line on the target drawing paper accurately. At this point, the segment of the template line may be displayed in a targeted manner to prompt the user that the segment of the line just drawn is accurate.
On the contrary, if one coordinate point in a plurality of time continuous coordinate points is unsuccessfully matched, no processing is performed on the template line corresponding to the plurality of coordinate points. At this moment, the user finds that the electronic device does not display the just drawn line in a target mode, so that the user can know the inaccuracy of drawing the line, and then the user can wipe off the just drawn line and redraw the line until the electronic device displays the model line in the target mode.
Through showing the model lines that match with the target mode, can make the user know at any time whether the copying of oneself is accurate, convenience of customers revises the unsafe lines, simultaneously, shows the model lines that match with the target mode, can indicate which lines of user have drawn successfully, which lines have not drawn successfully, convenience of customers draws remaining lines, and then makes the user easily draw out with the higher manuscript of target copying model similarity.
Specifically, displaying the template line in a target manner includes: the mode that the colour that changes the model lines, bold demonstration model lines, dotted line show that model lines etc. are different with the initial display mode of model lines shows the model lines. For example, if the color of the template bar is black, the template bar successfully matched is displayed in red.
In step 206-step 207, the motion trajectory formed by the position information of the pen point is matched with the original points in the template line, and the motion trajectory is a batch matching of multiple points, and in step 104-step 105, the position information of each point of the pen point is matched with the position information of each original point in the template line, and the matching is a single point matching. The matching speed is higher due to the multi-point batch matching, and the matching is more accurate due to the single-point matching.
At step 208, a first input on a preview interface of the camera is received.
In the copying process, when a line planned to be drawn by a user next step is discontinuous with a previous line, a painting brush needs to be lifted up from a target painting paper, or when the user needs to temporarily interrupt copying, the user takes up the painting brush from the target painting paper, and after the user takes up the painting brush from the target painting paper, the camera does not need to collect and track the position of a pen point. To inform the camera that the pen tip position no longer needs to be captured, the user may perform a first input operation on a first target button or a first target area on the camera preview interface. The first target button or first target area may be a pause button or an area provided with a pause function on the camera preview interface.
Further, the first input includes, but is not limited to, a click operation, a long press operation, a touch operation, etc. with respect to the first target button or the first target area.
And 209, in response to the first input, stopping executing the step of collecting the position information of the operation body on the target drawing paper.
After receiving the first input of the user, the camera stops collecting the position information of the operating body, namely the pen point. Therefore, after the user takes the painting brush from the target painting paper, the camera does not recognize the pen point and collect the pen point position information any more, and the camera is prevented from collecting wrong pen point position information.
When the user needs to take the pen again or when the user needs to copy continuously, in order to inform the camera to capture the pen point position again, the user can perform a second input operation on a second target button or a second target area on the camera preview interface. The second target button or second target area may be a start button or an area provided with a start function on the camera preview interface.
Also, the second input includes, but is not limited to, a click operation, a long press operation, a touch operation, etc. with respect to the second target button or the second target region.
And step 211, responding to the second input, and continuing to execute the step of collecting the position information of the operation body on the target drawing paper.
After receiving the second input of the user, the camera resumes the acquisition of the position information of the operating body, i.e., the pen tip. Therefore, the user can enable the camera to normally carry out the position acquisition operation of the pen point when needing to put down the pen again or continue copying.
Through the implementation method from the step 208 to the step 211, when the user needs to lift the brush from the target drawing paper or needs to temporarily interrupt copying, the camera of the electronic device does not acquire unnecessary information, and the camera is prevented from acquiring wrong information; and when the user needs to take the pen down again or continue copying, the camera can be enabled to normally acquire the position of the pen point.
In summary, the copy guiding method according to the embodiment of the present invention has the beneficial effects of the copy guiding method shown in fig. 1, and also identifies the feature information of the operation body from the sampling picture, so as to facilitate the camera to track the position information of the operation body according to the feature information of the operation body; in addition, the movement track of the operation body formed by the position information of the operation body is displayed on the target copy template in the preview picture, so that a user can compare the drawn line with the line in the target copy template to adjust the position of the operation body and further draw the line matched with the target copy template; in addition, by receiving the first input of the user on the camera preview interface, when the user needs to lift the painting brush from the target painting paper or needs to temporarily interrupt copying, the camera of the electronic equipment does not acquire unnecessary information, and the camera is prevented from acquiring wrong information; by receiving the second input of the user on the preview interface, when the user needs to take a pen again or continue copying, the camera can normally acquire the position of the operation body.
Referring to fig. 7, which is one of the structural block diagrams of the electronic device according to the embodiment of the present invention, the electronic device 300 may specifically include:
the target drawing display module 301 is configured to display a target drawing in a preview screen of the electronic device;
a template display module 302, configured to display a target copy template on a layer above a layer where the target drawing paper is located, where the target copy template includes one or more template lines;
the acquisition module 303 is used for acquiring the position information of the operation body on the target drawing paper;
a first matching module 304, configured to match the position information with the template line;
a first display module 305, configured to display an original point in the target copy template in a target manner if the position information matches with the position information of one of the original points forming the template line successfully.
The vibration control device provided by the embodiment of the present invention can implement each process implemented in the method embodiment of fig. 1, and is not described here again to avoid repetition.
In this way, according to the electronic device provided by the embodiment of the present invention, the target drawing paper is displayed in the preview picture of the electronic device, and the target copy template is displayed on the layer above the layer where the preview picture is located, where the target copy template includes one or more template lines; collecting the position information of the operation body on the target drawing paper; matching the position information with the template line; and if the position information is successfully matched with the position information of one of the original points forming the template line, displaying the original point in the target copy template in a target mode. In the method, when a user draws on the target drawing paper, the electronic equipment acquires the position information of the operation body in real time to track the motion track of the operation body, and when the position information of the operation body is matched with one original point in the template line, the original point is displayed in a target mode, so that the user can accurately determine whether the point drawn on the target drawing paper is accurate or not by whether the original point on the template line is displayed in the target mode or not, and therefore a manuscript with higher similarity with a copy template is easily drawn; the method has no requirements on the thickness and the material of the target drawing paper, and does not need to purchase additional equipment, thereby not only ensuring the copying effect, but also reducing the copying cost.
Referring to fig. 8, a second block diagram of the electronic device according to the embodiment of the present invention is shown, where the electronic device 400 includes:
the recognition module 401 is configured to display a sampling picture of shooting samples, and recognize feature information of the operation body from the sampling picture;
a target drawing display module 402, configured to display a target drawing in a preview screen of the electronic device;
a template display module 403, configured to display a target copy template on a layer above the layer where the target drawing paper is located, where the target copy template includes one or more template lines;
an acquisition module 404, configured to acquire position information of an operation body on the target drawing paper;
the acquisition module 404 includes:
the extraction sub-module 4041 is configured to extract position information of the operation body from a preview screen including the target drawing sheet according to the feature information of the operation body.
The electronic device further includes:
a second matching module 405, configured to match a motion trajectory formed by the plurality of pieces of location information with the template line;
a second display module 406, configured to display the template line in the target copy template in a target manner if a motion trajectory formed by the plurality of position information is successfully matched with one of the template lines.
A motion trajectory display module 407, configured to display a motion trajectory composed of a plurality of pieces of position information on the target copy template in the preview screen.
A first receiving module 408 for receiving a first input on a preview interface of the camera;
a first response module 409, configured to stop executing the step of collecting the position information of the operation body on the target drawing sheet in response to the first input.
A second receiving module 410 for receiving a second input on the preview interface of the camera;
and a second response module 411, configured to continue to perform the step of collecting the position information of the operation body on the target drawing sheet in response to the second input.
The electronic device 400 further comprises:
and the adjusting module is used for adjusting the display area of the target drawing paper in the preview picture through a zooming function or a wide-angle shooting mode of a camera of the electronic equipment.
The virtual fitting device provided by the embodiment of the invention can realize each process realized in the method embodiment of fig. 6, and is not described again to avoid repetition.
The electronic device according to the embodiment of the invention has the beneficial effects of the electronic device in fig. 7, and also recognizes the characteristic information of the operation body from the sampling picture, so that the camera can track the position information of the operation body according to the characteristic information of the operation body conveniently; in addition, the movement track of the operation body formed by the position information of the operation body is displayed on the target copy template in the preview picture, so that a user can compare the drawn line with the line in the target copy template to adjust the position of the operation body and further draw the line matched with the target copy template; in addition, by receiving the first input of the user on the camera preview interface, when the user needs to lift the painting brush from the target painting paper or needs to temporarily interrupt copying, the camera of the electronic equipment does not acquire unnecessary information, and the camera is prevented from acquiring wrong information; by receiving the second input of the user on the preview interface, when the user needs to take a pen again or continue copying, the camera can normally acquire the position of the operation body.
Fig. 9 is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention.
The mobile terminal 500 includes, but is not limited to: radio frequency unit 501, network module 502, sound output unit 503, input unit 504, sensor 505, display unit 506, user input unit 507, interface unit 508, memory 509, processor 510, and power supply 511. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 9 is not intended to be limiting of mobile terminals, and that a mobile terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
Wherein, the processor 510 is configured to:
controlling a display unit 506 to display a target drawing paper in a preview picture of the mobile terminal, and displaying a target copy template on a layer above the layer where the target drawing paper is located, wherein the target copy template comprises one or more template lines;
collecting the position information of the operation body on the target drawing paper;
matching the position information with the template line;
if the position information is successfully matched with the position information of one of the original points forming the template line, the display unit 506 is controlled to display the original point in a target mode in the target copy template.
In the embodiment of the invention, target drawing paper is displayed in a preview picture of electronic equipment, and a target copy template is displayed on a picture layer above the picture layer where the preview picture is located, wherein the target copy template comprises one or more template lines; collecting the position information of the operation body on the target drawing paper; matching the position information with the template line; and if the position information is successfully matched with the position information of one of the original points forming the template line, displaying the original point in the target copy template in a target mode. In the method, when a user draws on the target drawing paper, the electronic equipment acquires the position information of the operation body in real time to track the motion track of the operation body, and when the position information of the operation body is matched with one original point in the template line, the original point is displayed in a target mode, so that the user can accurately determine whether the point drawn on the target drawing paper is accurate or not by whether the original point on the template line is displayed in the target mode or not, and therefore a manuscript with higher similarity with a copy template is easily drawn; the method has no requirements on the thickness and the material of the target drawing paper, and does not need to purchase additional equipment, thereby not only ensuring the copying effect, but also reducing the copying cost.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 501 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 510; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 501 can also communicate with a network and other devices through a wireless communication system.
The mobile terminal provides the user with wireless broadband internet access through the network module 502, such as helping the user send and receive e-mails, browse webpages, access streaming media, and the like.
The sound output unit 503 may convert sound data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into a sound signal and output as sound. Also, the sound output unit 503 may also provide sound output related to a specific function performed by the mobile terminal 500 (e.g., a call signal reception sound, a message reception sound, etc.). The sound output unit 503 includes a speaker, a buzzer, a receiver, and the like.
The input unit 504 is used to receive a sound or video signal. The input Unit 504 may include a Graphics Processing Unit (GPU) 5041 and a microphone 5042, and the Graphics processor 5041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 506. The image frames processed by the graphic processor 5041 may be stored in the memory 509 (or other storage medium) or transmitted via the radio frequency unit 501 or the network module 502. The microphone 5042 may receive sound, and may be capable of processing such sound into sound data. The processed voice data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 501 in case of the phone call mode.
The mobile terminal 500 also includes at least one sensor 505, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 5061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 5061 or a backlight when the mobile terminal 500 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the mobile terminal (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 505 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 506 is used to display information input by the user or information provided to the user. The Display unit 506 may include a Display panel 5061, and the Display panel 5061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 507 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 507 includes a touch panel 5071 and other input devices 5072. Touch panel 5071, also referred to as a touch screen, may collect touch operations by a user on or near it (e.g., operations by a user on or near touch panel 5071 using a finger, stylus, or any suitable object or attachment). The touch panel 5071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 510, and receives and executes commands sent by the processor 510. In addition, the touch panel 5071 may be implemented in various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 5071, the user input unit 507 may include other input devices 5072. In particular, other input devices 5072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
Further, the touch panel 5071 may be overlaid on the display panel 5061, and when the touch panel 5071 detects a touch operation thereon or nearby, the touch operation is transmitted to the processor 510 to determine the type of the touch event, and then the processor 510 provides a corresponding visual output on the display panel 5061 according to the type of the touch event. Although in fig. 9, the touch panel 5071 and the display panel 5061 are two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 5071 and the display panel 5061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 508 is an interface through which an external device is connected to the mobile terminal 500. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, a sound input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 508 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 500 or may be used to transmit data between the mobile terminal 500 and external devices.
The memory 509 may be used to store software programs as well as various data. The memory 509 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 voice data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 509 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.
The processor 510 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs or modules stored in the memory 509 and calling data stored in the memory 509, thereby performing overall monitoring of the mobile terminal. Processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 500 may further include a power supply 511 (e.g., a battery) for supplying power to various components, and preferably, the power supply 511 may be logically connected to the processor 510 via a power management system, so that functions of managing charging, discharging, and power consumption are performed via the power management system.
In addition, the mobile terminal 500 includes some functional modules that are not shown, and thus, are not described in detail herein.
Preferably, an embodiment of the present invention further provides a mobile terminal, which includes a processor 510, a memory 509, and a computer program that is stored in the memory 509 and can be run on the processor 510, and when the computer program is executed by the processor 510, the processes of the display method embodiment are implemented, and the same technical effect can be achieved, and in order to avoid repetition, details are not described here again.
Based on the hardware structure of the mobile terminal, the following detailed description will be made of embodiments of the present invention.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the display method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
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 apparatus 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 apparatus. 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 apparatus that comprises the element.
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 solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (16)
1. A copy guiding method is applied to electronic equipment, and is characterized by comprising the following steps:
displaying an image of a target drawing in a shooting preview picture of the electronic equipment;
displaying a target copy template on a layer above the layer where the image of the target drawing paper is located, wherein the target copy template comprises one or more template lines;
collecting the position information of the operation body on the target drawing paper;
matching the position information with the template line;
and if the position information is successfully matched with the position information of one of the original points forming the template line, displaying the original point in the target copy template in a target mode.
2. The method of claim 1, further comprising, prior to collecting position information of the operational body on the target drawing sheet:
displaying a sampling picture for shooting sampling, and identifying characteristic information of the operation body from the sampling picture;
the collecting of the position information of the operation body on the target drawing paper comprises the following steps:
and extracting the position information of the operation body from a preview picture containing the target drawing according to the characteristic information of the operation body.
3. The method of claim 1, after collecting the position information of the operation body on the target drawing paper, comprising:
matching a motion track formed by the position information with the template line;
and if the motion trail formed by the plurality of position information is successfully matched with one of the template lines, displaying the template lines in a target mode in the target copy template.
4. The method according to any one of claims 1 to 3, further comprising, after collecting the position information of the operation body on the target drawing sheet:
and displaying a motion trail composed of a plurality of position information on the target copy template in the preview picture.
5. The method of claim 4, further comprising, after displaying the template lines in the target copy template in a target manner:
receiving a first input on a preview interface of a camera;
and in response to the first input, stopping executing the step of collecting the position information of the operation body on the target drawing paper.
6. The method of claim 5, wherein after stopping the step of collecting the position information of the operation body on the target drawing paper in response to the first input, further comprising:
receiving a second input on a preview interface of the camera;
and responding to the second input, and continuously executing the step of collecting the position information of the operation body on the target drawing paper.
7. The method according to claim 1, wherein after displaying the target drawing in the preview screen of the electronic device, the method further comprises:
and adjusting the display area of the target drawing paper in the preview picture through a zooming function or a wide-angle shooting mode of a camera of the electronic equipment.
8. An electronic device, characterized in that the electronic device comprises:
the target drawing display module is used for displaying an image of the target drawing in a shooting preview picture of the electronic equipment;
the template display module is used for displaying a target copy template on a layer on which the image of the target drawing paper is positioned, wherein the target copy template comprises one or more template lines;
the acquisition module is used for acquiring the position information of the operation body on the target drawing paper;
the first matching module is used for matching the position information with the template lines;
and the first display module is used for displaying the original point in the target copy template in a target mode if the position information is successfully matched with the position information of one original point forming the template line.
9. The electronic device of claim 8, further comprising:
the identification module is used for displaying a sampling picture for shooting and sampling and identifying the characteristic information of the operation body from the sampling picture;
the acquisition module comprises:
and the extraction submodule is used for extracting the position information of the operation body from a preview picture containing the target drawing paper according to the characteristic information of the operation body.
10. The electronic device of claim 8, wherein the electronic device comprises:
the second matching module is used for matching a motion track formed by the position information with the template line;
and the second display module is used for displaying the template line in a target mode in the target copy template if the motion trail formed by the plurality of position information is successfully matched with one of the template lines.
11. The electronic device according to claim 8 or 10, characterized in that the electronic device further comprises:
and the motion trail display module is used for displaying a motion trail formed by a plurality of position information on the target copying template in the preview picture.
12. The electronic device of claim 11, further comprising:
a first receiving module for receiving a first input on a preview interface of a camera;
and the first response module is used for responding to the first input and stopping executing the step of collecting the position information of the operation body on the target drawing paper.
13. The electronic device of claim 12, further comprising:
a second receiving module for receiving a second input on a preview interface of the camera;
and the second response module is used for responding to the second input and continuously executing the step of acquiring the position information of the operation body on the target drawing paper.
14. The electronic device of claim 8, further comprising:
and the adjusting module is used for adjusting the display area of the target drawing paper in the preview picture through a zooming function or a wide-angle shooting mode of a camera of the electronic equipment.
15. A mobile terminal, characterized in that it comprises a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the copy guiding method according to any one of claims 1 to 7.
16. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the copy guiding method according to any one of claims 1 to 7.
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| CN113225428A (en) * | 2021-05-07 | 2021-08-06 | 乐视致新信息技术(武汉)有限公司 | Image copying processing method, device, equipment and computer readable storage medium |
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