CN113949824B - Cartoon head portrait mouth control method and related products - Google Patents
Cartoon head portrait mouth control method and related products Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005457 optimization Methods 0.000 claims description 6
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- 238000004590 computer program Methods 0.000 description 5
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- 230000008878 coupling Effects 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2621—Cameras specially adapted for the electronic generation of special effects during image pickup, e.g. digital cameras, camcorders, video cameras having integrated special effects capability
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0007—Image acquisition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T13/00—Animation
- G06T13/20—3D [Three Dimensional] animation
- G06T13/40—3D [Three Dimensional] animation of characters, e.g. humans, animals or virtual beings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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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
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30196—Human being; Person
- G06T2207/30201—Face
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- H—ELECTRICITY
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- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/52—Details of telephonic subscriber devices including functional features of a camera
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
- H04N2005/2726—Means for inserting a foreground image in a background image, i.e. inlay, outlay for simulating a person's appearance, e.g. hair style, glasses, clothes
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
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- Theoretical Computer Science (AREA)
- Studio Devices (AREA)
- Processing Or Creating Images (AREA)
- Image Analysis (AREA)
Abstract
The present disclosure provides a cartoon head portrait mouth control method and related products, the method includes the following steps: when the terminal determines to enter a self-photographing page of a self-photographing video application, determining a selected cartoon head portrait; a terminal collects a first video; determining a mouth region of the first video; and the terminal determines the opening and closing angle of the mouth area, and adjusts the opening and closing angle of the cartoon head portrait according to the opening and closing angle to obtain a second video. The technical scheme provided by the application has the advantage of high user experience.
Description
Technical Field
The invention relates to the technical field of culture media, in particular to a mouth control method of a cartoon head portrait and a related product.
Background
The short video is short video, which is an internet content transmission mode, and is generally video transmission content transmitted on new internet media within 1 minute.
The mouth of the cartoon head portrait applied to the existing short video cannot be opened or closed according to the mouth of the user, the following performance is poor, and the experience degree of the user is influenced.
Disclosure of Invention
The embodiment of the invention provides a mouth control method of a cartoon head portrait and a related product, which can realize that the mouth of the cartoon head portrait is opened and closed along with the mouth of a user, improve the shooting quality of a video and have the advantage of improving the user experience.
In a first aspect, an embodiment of the present invention provides a method for controlling the mouth of a cartoon head portrait, where the method includes the following steps:
when the terminal determines to enter a self-photographing page of a self-photographing video application, determining a selected cartoon head portrait;
a terminal collects a first video; determining a mouth region of the first video;
and the terminal determines the opening and closing angle of the mouth area, and adjusts the opening and closing angle of the cartoon head portrait according to the opening and closing angle to obtain a second video.
Optionally, the determining the mouth region of the first video specifically includes:
the method comprises the steps of extracting a first picture containing a face from a first video, determining a vertical center line of a face region in the first picture, extracting pink pixel points of the face region, combining continuous pink pixel points to obtain a first region, and determining the first region and a range completely surrounded by the first region as a mouth region if the first region is distributed in a mirror image mode along the vertical center line.
Optionally, the determining the opening and closing angle of the mouth region specifically includes:
determining the horizontal maximum distance L of the mouth area and the vertical maximum distance x of the mouth area, and calculating the opening and closing angle of the mouth area according to the distances L and x.
Optionally, the method further includes:
α=2*arctan (x/L)，
wherein alpha is the opening and closing angle.
Optionally, the method may further include:
optimizing the edge line of the cartoon head portrait of the second video of the cartoon head portrait to obtain a third video, wherein the optimizing specifically may include: determining an RGB value of each pixel point on the edge line of the cartoon head portrait, determining continuous pixel points with the same RGB value as a sub-edge line to obtain w sub-edge lines, and performing a covering operation on an area of each sub-edge line in the w sub-edge lines to complete optimization processing, where the covering operation specifically includes: and if the sub-area has pixel points with different RGB values from the sub-edge line, the different pixel points are replaced by the pixel points with the RGB values of the sub-edge line.
In a second aspect, a terminal is provided, the terminal including: a processor, a camera and a display screen,
the display screen is used for determining a selected cartoon head portrait when a self-timer page of a self-timer video application is entered;
the camera is used for collecting a first video,
the processor to determine a mouth region of the first video; and determining the opening and closing angle of the mouth area, and adjusting the opening and closing angle of the cartoon head portrait according to the opening and closing angle to obtain a second video.
Optionally, the processor is specifically configured to extract a first picture including a face from the first video, determine a vertical center line of a face region in the first picture, extract pink pixel points of the face region, combine consecutive pink pixel points to obtain a first region, and determine the first region and a range completely surrounded by the first region as a mouth region if the first region is in mirror image distribution along the vertical center line.
Optionally, the processor is further configured to determine a horizontal maximum distance L of the mouth region and a vertical maximum distance x of the mouth region, and calculate an opening and closing angle of the mouth region according to the distances L and x.
Optionally, the processor is further configured to perform a =2 × arctan (x/L),
wherein alpha is the opening and closing angle.
Optionally, the terminal is: a smart phone or a tablet computer.
In a third aspect, a computer-readable storage medium is provided that stores a program for electronic data exchange, wherein the program causes a terminal to execute the method provided by the first aspect.
The embodiment of the invention has the following beneficial effects:
according to the technical scheme, when the self-photographing page of the self-photographing application is determined, the first picture is acquired, the hair area of the first picture is determined, the selection area and the braid type of the user in the hair area are determined, and the hairstyle matched with the braid type is generated in the selection area, so that the hairstyle can be selected by the user, and the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a terminal.
Fig. 2 is a flow chart schematic diagram of a cartoon head portrait mouth control method.
Fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are 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.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of the invention and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, result, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 provides a terminal, which may specifically be a smart phone, a tablet computer, a computer, and a server, where the smart phone may be a terminal of an IOS system, an android system, and the terminal may specifically include: the device comprises a processor, a memory, a camera and a display screen, wherein the components can be connected through a bus or in other ways, and the application is not limited to the specific way of the connection.
In short video, replacing the cartoon head portrait is a very common operation, the existing cartoon head portrait replacement mode is direct replacement, the cartoon head portrait changes along with video after replacement, such as opening mouth, but in practical application, the opening angle of the mouth of the cartoon head portrait is completely consistent, the technical scheme cannot completely follow a user, and therefore further improvement needs to be achieved.
Referring to fig. 2, fig. 2 provides a mouth control method of a cartoon head portrait, which is performed by a terminal shown in fig. 1, as shown in fig. 2, and includes the following steps:
step S201, when the terminal determines to enter a self-timer page of a self-timer video application, determining a selected cartoon head portrait;
step S202, a terminal collects a first video; determining a mouth region of the first video;
and S203, the terminal determines the opening and closing angle of the mouth area, and adjusts the opening and closing angle of the cartoon head portrait according to the opening and closing angle to obtain a second video.
The technical scheme that this application provided when confirming the auto heterodyne page that autodynes and use, confirm the cartoon head portrait of selection, gather first video, confirm the mouth region of first video, then confirm the angle that opens and shuts in mouth region, according to the angle that opens and shuts of this opening and shutting angle adjustment cartoon head portrait, can follow user's mouth like this and carry out video adjustment, improved user experience degree.
Optionally, the determining the mouth region of the first video specifically may include:
the method comprises the steps of extracting a first picture containing a face from a first video, determining a vertical center line of a face region in the first picture, extracting pink pixel points of the face region (the RGB values of the pixel points can be adjusted according to actual conditions, can be set by a manufacturer or a user), combining continuous pink pixel points to obtain a first region, and determining the first region and a range completely surrounded by the first region as a mouth region if the first region is in mirror image distribution along the vertical center line.
Optionally, the determining the opening and closing angle of the mouth region may specifically include:
determining the horizontal distance L (maximum value) of the mouth area and the distance x (maximum value) of the mouth area on the vertical central line, and calculating the opening and closing angle of the mouth area according to the distance L and the distance x.
Optionally, the calculating the opening and closing angle of the mouth region according to the distance L and the distance x may specifically include:
α =2 × arctan (x/L), where α is the opening and closing angle.
Optionally, the method may further include:
optimizing the edge line of the cartoon head portrait of the second video of the cartoon head portrait to obtain a third video, wherein the optimizing specifically may include: determining an RGB value of each pixel point on the edge line of the cartoon head portrait, determining continuous pixel points with the same RGB value as a sub-edge line to obtain w sub-edge lines, and performing a covering operation on an area of each sub-edge line in the w sub-edge lines to complete optimization processing, where the covering operation specifically includes: and if the sub-area has pixel points with different RGB values from the sub-edge line, the different pixel points are replaced by the pixel points with the RGB values of the sub-edge line.
For the cartoon head portrait, as the colors of the cartoon head portrait are possibly many and various, the edge line with the same color can be determined as a sub edge line, if the effect of the cartoon head portrait is good, the pixel points of the area formed by the two end points of the sub edge line and the sub edge line are consistent with the sub edge line, if the pixel points are not consistent with the sub edge line, the sub edge line can be determined to be inaccurate, and the sub edge line needs to be replaced by a straight line between the two end points, so that the effect of the cartoon head portrait is improved.
Referring to fig. 3, fig. 3 provides a terminal including: a camera, a processor and a display screen,
the display screen is used for determining a selected cartoon head portrait when a self-timer page of a self-timer video application is entered;
the camera is used for collecting a first video,
the processor to determine a mouth region of the first video; and determining the opening and closing angle of the mouth area, and adjusting the opening and closing angle of the cartoon head portrait according to the opening and closing angle to obtain a second video.
An embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the methods for controlling the mouth of a cartoon avatar described in the above method embodiments.
Embodiments of the present invention also provide a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to make a computer execute part or all of the steps of any one of the methods for controlling the mouth of a cartoon avatar described in the above method embodiments.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are exemplary embodiments and that the acts and modules illustrated are not necessarily required to practice the invention.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module.
The integrated units, if implemented in the form of software program modules and sold or used as stand-alone products, may be stored in a computer readable memory. 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 memory and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps of the methods of the above embodiments may be implemented by a program, which is stored in a computer-readable memory, the memory including: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A cartoon head portrait mouth control method is characterized by comprising the following steps:
when the terminal determines to enter a self-photographing page of a self-photographing video application, determining a selected cartoon head portrait; a terminal collects a first video; determining a mouth region of the first video; the terminal determines the opening and closing angle of the mouth area, and adjusts the opening and closing angle of the cartoon head portrait according to the opening and closing angle to obtain a second video;
and optimizing the edge lines of the cartoon head portrait of the second video of the cartoon head portrait to obtain a third video, wherein the optimizing specifically comprises the following steps: determining an RGB value of each pixel point on the edge line of the cartoon head portrait, determining continuous pixel points with the same RGB value as one sub-edge line to obtain w sub-edge lines, and performing a covering operation on an area of each sub-edge line in the w sub-edge lines to complete optimization processing, where the covering operation specifically includes: and if the sub-area has pixel points with different RGB values from the sub-edge line, the different pixel points are replaced by the pixel points with the RGB values of the sub-edge line.
2. The method according to claim 1, wherein the determining the mouth region of the first video comprises in particular:
the method comprises the steps of extracting a first picture containing a face from a first video, determining a vertical center line of a face region in the first picture, extracting pink pixel points of the face region, combining continuous pink pixel points to obtain a first region, and determining the first region and a range completely surrounded by the first region as a mouth region if the first region is distributed in a mirror image mode along the vertical center line.
3. The method according to claim 1, wherein the determining the opening and closing angle of the mouth region specifically comprises: determining the horizontal maximum distance L of the mouth area and the vertical maximum distance x of the mouth area, and calculating the opening and closing angle of the mouth area according to the distances L and x.
4. The method of claim 3, further comprising:
a =2 × arctan (x/L), where a is the opening and closing angle.
5. A terminal, the terminal comprising: the system comprises a processor, a camera and a display screen, and is characterized in that the display screen is used for determining a selected cartoon head portrait when a self-shooting page of a self-shooting video application is entered; the camera is used for acquiring a first video, and the processor is used for determining a mouth area of the first video; determining the opening and closing angle of the mouth area, and adjusting the opening and closing angle of the cartoon head portrait according to the opening and closing angle to obtain a second video;
the processor is further configured to perform optimization processing on edge lines of the cartoon head portrait of the second video of the cartoon head portrait to obtain a third video, where the optimization processing specifically includes: determining an RGB value of each pixel point on the edge line of the cartoon head portrait, determining continuous pixel points with the same RGB value as one sub-edge line to obtain w sub-edge lines, and performing a covering operation on an area of each sub-edge line in the w sub-edge lines to complete optimization processing, where the covering operation specifically includes: and if the sub-area has pixel points with different RGB values from the sub-edge line, the different pixel points are replaced by the pixel points with the RGB values of the sub-edge line.
6. The terminal according to claim 5, wherein the processor is specifically configured to extract a first picture including a face from the first video, determine a vertical centerline of a face region in the first picture, extract pink pixels of the face region, combine consecutive pink pixels to obtain the first region, and determine the first region and a range completely surrounded by the first region as the mouth region if the first region is distributed in a mirror image along the vertical centerline.
7. The terminal of claim 5, wherein the processor is further configured to determine a horizontal maximum distance L of the mouth region and a vertical maximum distance x of the mouth region, and calculate an opening and closing angle of the mouth region according to the distances L and x; the processor is further configured to a =2 × arctan (x/L), where a is an opening and closing angle.
8. A computer-readable storage medium storing a program for electronic data exchange, wherein the program causes a terminal to perform the method as provided in any one of claims 1-3.
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| CN112911192A (en) * | 2021-01-28 | 2021-06-04 | 维沃移动通信有限公司 | Video processing method and device and electronic equipment |
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| US5282045A (en) * | 1990-04-27 | 1994-01-25 | Hitachi, Ltd. | Depth-of-field control apparatus and image pickup apparatus having the same therein |
| US5742354A (en) * | 1996-06-07 | 1998-04-21 | Ultimatte Corporation | Method for generating non-visible window edges in image compositing systems |
| US6167167A (en) * | 1996-07-05 | 2000-12-26 | Canon Kabushiki Kaisha | Image extractions apparatus and method |
| WO2006022729A1 (en) * | 2004-08-20 | 2006-03-02 | Silicon Optix Inc. | Edge adaptive image expansion and enhancement system and method |
| CN109658328A (en) * | 2018-11-26 | 2019-04-19 | 深圳艺达文化传媒有限公司 | From animal head ear processing method and the Related product of shooting the video |
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