WO2021027631A1

WO2021027631A1 - Image special effect processing method and apparatus, electronic device, and computer-readable storage medium

Info

Publication number: WO2021027631A1
Application number: PCT/CN2020/106819
Authority: WO
Inventors: 倪光耀; 王沈韬; 李小奇; 杨辉
Original assignee: 北京字节跳动网络技术有限公司
Priority date: 2019-08-09
Filing date: 2020-08-04
Publication date: 2021-02-18
Also published as: CN112351222B; CN112351222A

Abstract

Disclosed are an image special effect processing method and apparatus, an electronic device, and a computer-readable storage medium. The method comprises: obtaining video images; determining the current image according to the current playback progress of the video images; obtaining historical images of the video image from a data storage layer by means of an image acquisition unit of a render layer; combining the historical images with the current image by means of a special effect unit of the render layer; and outputting the combined image to a terminal screen for display. According to the embodiments of the present disclosure, by obtaining the historical images of the video images from the data storage layer by means of the image acquisition unit of the render layer, combining the historical images with the current image by means of the special effect unit of the render layer, and outputting the combined image to the terminal screen for display, special effects can be achieved only by modifying the render layer, and thus the achievement is more simple and flexible.

Description

Image special effect processing method, device, electronic equipment and computer readable storage medium

Cross references to related applications

This application claims the priority of the Chinese patent application filed on August 9, 2019, the application number is 201910735631.0, and the invention title is "Image effects processing methods, devices, electronic equipment and computer-readable storage media". The full text of the application Incorporated in this application by reference.

Technical field

The present disclosure relates to the technical field of image special effect processing, and in particular to an image special effect processing method, device, electronic equipment, and computer-readable storage medium.

Background technique

With the development of smart terminal technology, the functions of smart terminals are becoming more and more diversified. For example, users can use the camera in the terminal to take images (for example, photos or videos), which has become a new mode of entertainment for people. However, simply shooting images can no longer meet the needs of users. Then how to perform special effects processing on the captured images to get more fun and interesting images has become the focus of attention.

In the prior art, the post-production method of the captured image is usually adopted to obtain images with special effects. However, this method is not real-time and cannot perform special effect processing on the input image in real time; or R&D personnel write programs for each special effect, but this is very inflexible. If multiple special effects are needed, multiple implementations are required. This will result in larger program size, more complicated implementation, and time-consuming and labor-intensive.

Summary of the invention

The summary of the invention is provided in order to introduce the concepts in a brief form, and these concepts will be described in detail in the following specific embodiments. The content of the invention is not intended to identify the key features or essential features of the technical solution required to be protected, nor is it intended to be used to limit the scope of the technical solution required to be protected.

The technical problem solved by the present disclosure is to provide an image special effect processing method, so as to at least partially solve the technical problem of the complicated and inflexible realization of image special effects in the prior art. In addition, an image special effect processing device, an image special effect processing hardware device, a computer-readable storage medium, and an image special effect processing terminal are also provided.

In order to achieve the above objective, according to one aspect of the present disclosure, the following technical solutions are provided:

An image special effect processing method, including:

Obtain video images;

Determining the current image according to the current playback progress of the video image;

Acquiring the historical image of the video image from the data storage layer through the image acquisition unit of the rendering layer;

Combining the historical image with the current image through the special effect unit of the rendering layer;

The combined image output is displayed on the terminal screen.

An image special effect processing device, including:

Video acquisition module for acquiring video images;

The current image determining module is configured to determine the current image according to the current playback progress of the video image;

The historical image acquisition module is configured to acquire the historical image of the video image from the data storage layer through the image acquisition unit of the rendering layer;

An image combination module, configured to combine the historical image with the current image through the special effect unit of the rendering layer;

The image display module is used to output the combined image for display on the terminal screen.

An electronic device including:

Memory for storing non-transitory computer readable instructions; and

The processor is configured to run the computer-readable instructions to enable the processor to implement any of the image special effects processing methods described above when executed.

A computer-readable storage medium for storing non-transitory computer-readable instructions. When the non-transitory computer-readable instructions are executed by a computer, the computer is caused to execute the image special effect processing method described in any one of the above .

In order to achieve the above objective, according to another aspect of the present disclosure, the following technical solutions are also provided:

An image special effect processing terminal includes any image special effect processing device described above.

In the embodiments of the present disclosure, the historical image of the video image is obtained from the data storage layer through the image acquisition unit of the rendering layer, the historical image is combined with the current image through the special effect unit of the rendering layer, and the combined image is output on the terminal screen Display, so you only need to modify the rendering layer to achieve special effects, which is relatively simple and flexible to implement.

The above description is only an overview of the technical solutions of the present disclosure. In order to understand the technical means of the present disclosure more clearly, they can be implemented in accordance with the content of the specification, and to make the above and other objectives, features and advantages of the present disclosure more obvious and understandable. In the following, the preferred embodiments are specially cited and accompanied with the drawings, and the detailed description is as follows.

Description of the drawings

The above and other features, advantages, and aspects of the embodiments of the present disclosure will become more apparent in conjunction with the drawings and with reference to the following specific embodiments. Throughout the drawings, the same or similar reference signs indicate the same or similar elements. It should be understood that the drawings are schematic and the originals and elements are not necessarily drawn to scale.

FIG. 1 is a schematic flowchart of an image special effect processing method according to an embodiment of the present disclosure;

2 is a schematic flowchart of an image special effect processing device according to an embodiment of the present disclosure;

Fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.

detailed description

Hereinafter, embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided for Have a more thorough and complete understanding of this disclosure. It should be understood that the drawings and embodiments of the present disclosure are only used for exemplary purposes and are not used to limit the protection scope of the present disclosure.

It should be understood that the steps recorded in the method embodiments of the present disclosure may be executed in a different order, and/or executed in parallel. Furthermore, method implementations may include additional steps and/or omit to perform the illustrated steps. The scope of the present disclosure is not limited in this respect.

The term "including" and its variations as used herein are open-ended includes, that is, "including but not limited to". The term "based on" is "based at least in part on." The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments." Related definitions of other terms will be given in the following description.

Example one

In order to solve the technical problem of complicated and inflexible implementation of image special effects in the prior art, embodiments of the present disclosure provide an image special effect processing method. As shown in FIG. 1, the image special effect processing method mainly includes the following steps S11 to S15.

Step S11: Obtain a video image.

Specifically, the video image may be a real-time input video stream, for example, a live video in a short video application, or a video image pre-stored in the terminal. Among them, the terminal may be a mobile terminal, such as a smart phone, a tablet computer, or a fixed terminal, such as a desktop computer.

Step S12: Determine the current image according to the current playback progress of the video image.

Among them, the current image is the image played at the current moment.

Among them, the current moment can be customized by the user.

Specifically, the video image is displayed on the terminal screen for playback. When the user has a demand or sees an image of interest, the current image can be acquired by triggering the corresponding button, such as taking a photo or capturing the terminal screen.

Step S13: Obtain the historical image of the video image from the data storage layer through the image acquisition unit of the rendering layer.

Among them, the data storage layer is used to store historical images. For example, the data storage layer can be composed of a cache, and the historical images are stored in the cache so that they can be accessed quickly.

Wherein, the historical image may be one or more.

Step S14: Combine the historical image with the current image through the special effect unit of the rendering layer.

Among them, the rendering layer is mainly used to render images, and it includes at least one special effect unit. When multiple special effect units are included, each special effect unit completes a specific rendering function. The multiple special effect units are connected in series to form a rendering chain, and each frame of image in the rendering layer executes a complete rendering chain.

Step S15: The combined image is output and displayed on the terminal screen.

In this embodiment, the image acquisition unit of the rendering layer acquires the historical image of the video image from the data storage layer, the special effect unit of the rendering layer combines the historical image with the current image, and outputs the combined image for display on the terminal screen. , So you only need to modify the rendering layer to achieve special effects, which is relatively simple and flexible to implement.

In an optional embodiment, the method further includes:

During the playback of the video image, the image capture unit of the rendering layer captures an image from the video image as a historical image, and stores the historical image in a data storage layer.

Among them, the historical image can be one or more.

In an optional embodiment, the method further includes:

Send an image acquisition instruction to the image acquisition unit of the rendering layer through the script layer to trigger the operation of the image acquisition unit.

Wherein, the script layer includes script programs and script files required for running the script programs. Control the rendering layer by setting the logic in the script. For example, by sending an image acquisition instruction to the image acquisition unit of the rendering layer, the image acquisition unit acquires the historical image of the video image from the data storage layer according to the image acquisition instruction.

In an optional embodiment, the method further includes:

The script layer sends a control instruction to the special effect fetching unit of the rendering layer to trigger the operation of the special effect unit.

Specifically, the control of the rendering layer is achieved by setting the logic in the script. For example, by controlling the special effect unit of the rendering layer to complete a special effect. That is, a control instruction is sent to the special effect fetching unit of the rendering layer, and the special effect unit combines the historical image with the current image according to the control instruction.

In an optional embodiment, the method further includes:

Send an image capture instruction to the image capture unit of the rendering layer through the script layer to trigger the operation of the image capture unit.

Specifically, the control of the rendering layer is achieved by setting the logic in the script. For example, the script layer sends an image capture instruction to the image capture unit of the rendering layer, and the image capture unit captures the image according to the capture instruction, and caches the captured image in the storage layer.

Those skilled in the art should understand that, on the basis of the foregoing various embodiments, obvious modifications (for example, a combination of the listed modes) or equivalent substitutions can also be made.

In the above, although the steps in the embodiment of the image special effect processing method are described in the above order, it should be clear to those skilled in the art that the steps in the embodiments of the present disclosure are not necessarily executed in the above order, and they can also be reversed and parallel. , Crossover, etc., and on the basis of the above steps, those skilled in the art can also add other steps. These obvious modifications or equivalent substitutions should also be included in the scope of protection of the present disclosure. Repeat it again.

The following are device embodiments of the present disclosure. The device embodiments of the present disclosure can be used to perform the steps implemented by the method embodiments of the present disclosure. For ease of description, only the parts related to the embodiments of the present disclosure are shown. For specific technical details that are not disclosed, please Refer to the method embodiment of the present disclosure.

Example two

In order to solve the technical problem of complicated and inflexible implementation of image special effects in the prior art, embodiments of the present disclosure provide an image special effect processing device. The device can execute the steps in the image special effect processing method embodiment described in the first embodiment. As shown in Figure 2, the device mainly includes: a video acquisition module 21, a current image determination module 22, a historical image acquisition module 23, an image combination module 24, and an image display module 25; among them,

The video acquisition module 21 is used to acquire video images;

The current image determining module 22 is configured to determine the current image according to the current playback progress of the video image;

The historical image acquisition module 23 is configured to acquire the historical image of the video image from the data storage layer through the image acquisition unit of the rendering layer;

The image combination module 24 is configured to combine the historical image with the current image through the special effect unit of the rendering layer;

The image display module 25 is used to output the combined image for display on the terminal screen.

Further, the device further includes: an image storage module 26; wherein,

The image storage module 26 is used to capture an image from the video image as a historical image through the image capture unit of the rendering layer during the playback of the video image, and store the historical image in the data storage layer in.

Further, the device further includes: an acquisition instruction sending module 27; wherein,

The acquisition instruction sending module 27 is configured to send an image acquisition instruction to the image acquisition unit of the rendering layer through the script layer to trigger the operation of the image acquisition unit.

Further, the device further includes: a control instruction sending module 28; wherein,

The control instruction sending module 28 is configured to send a control instruction to the special effect fetching unit of the rendering layer through the script layer to trigger the operation of the special effect unit.

Further, the device further includes: a grabbing instruction sending module 29; wherein,

The capture instruction sending module 29 is configured to send an image capture instruction to the image capture unit of the rendering layer through the script layer to trigger the operation of the image capture unit.

For detailed descriptions of the working principle and realized technical effects of the embodiment of the image special effect processing device, please refer to the relevant description in the foregoing embodiment of the image special effect processing method, which will not be repeated here.

Example three

3, which shows a schematic structural diagram of an electronic device 300 suitable for implementing embodiments of the present disclosure. The terminal devices in the embodiments of the present disclosure may include, but are not limited to, mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablets), PMPs (portable multimedia players), vehicle-mounted terminals (e.g. Mobile terminals such as car navigation terminals) and fixed terminals such as digital TVs, desktop computers, etc. The electronic device shown in FIG. 3 is only an example, and should not bring any limitation to the function and scope of use of the embodiments of the present disclosure.

As shown in FIG. 3, the electronic device 300 may include a processing device (such as a central processing unit, a graphics processor, etc.) 301, which may be loaded into a random access device according to a program stored in a read-only memory (ROM) 302 or from a storage device 306. The program in the memory (RAM) 303 executes various appropriate actions and processing. In the RAM 303, various programs and data required for the operation of the electronic device 300 are also stored. The processing device 301, ROM 302, and RAM 303 are connected to each other through a bus 304. An input/output (I/O) interface 305 is also connected to the bus 304.

Generally, the following devices can be connected to the I/O interface 305: including input devices 306 such as touch screens, touch pads, keyboards, mice, cameras, microphones, accelerometers, gyroscopes, etc.; including, for example, liquid crystal displays (LCD), speakers, vibration An output device 307 such as a device; a storage device 306 such as a magnetic tape and a hard disk; and a communication device 309. The communication device 309 may allow the electronic device 300 to perform wireless or wired communication with other devices to exchange data. Although FIG. 3 shows an electronic device 300 having various devices, it should be understood that it is not required to implement or have all the illustrated devices. It may alternatively be implemented or provided with more or fewer devices.

In particular, according to an embodiment of the present disclosure, the process described above with reference to the flowchart can be implemented as a computer software program. For example, an embodiment of the present disclosure includes a computer program product, which includes a computer program carried on a non-transitory computer readable medium, and the computer program contains program code for executing the method shown in the flowchart. In such an embodiment, the computer program may be downloaded and installed from the network through the communication device 309, or installed from the storage device 306, or installed from the ROM 302. When the computer program is executed by the processing device 301, the above-mentioned functions defined in the method of the embodiment of the present disclosure are executed.

It should be noted that the aforementioned computer-readable medium in the present disclosure may be a computer-readable signal medium or a computer-readable storage medium, or any combination of the two. The computer-readable storage medium may be, for example, but not limited to, an electric, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples of computer-readable storage media may include, but are not limited to: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable Programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above. In the present disclosure, a computer-readable storage medium may be any tangible medium that contains or stores a program, and the program may be used by or in combination with an instruction execution system, apparatus, or device. In the present disclosure, a computer-readable signal medium may include a data signal propagated in a baseband or as a part of a carrier wave, and a computer-readable program code is carried therein. This propagated data signal can take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing. The computer-readable signal medium may also be any computer-readable medium other than the computer-readable storage medium. The computer-readable signal medium may send, propagate, or transmit the program for use by or in combination with the instruction execution system, apparatus, or device . The program code contained on the computer-readable medium can be transmitted by any suitable medium, including but not limited to: wire, optical cable, RF (Radio Frequency), etc., or any suitable combination of the above.

In some embodiments, the client and server can communicate with any currently known or future developed network protocol, such as HTTP (HyperText Transfer Protocol), and can communicate with digital data in any form or medium. Communication (e.g., communication network) interconnects. Examples of communication networks include local area networks ("LAN"), wide area networks ("WAN"), the Internet (e.g., the Internet), and end-to-end networks (e.g., ad hoc end-to-end networks), as well as any currently known or future research and development network of.

The above-mentioned computer-readable medium may be included in the above-mentioned electronic device; or it may exist alone without being assembled into the electronic device.

The above-mentioned computer-readable medium carries one or more programs, and when the above-mentioned one or more programs are executed by the electronic device, the electronic device: acquires a video image; determines the current image according to the current playback progress of the video image; The image acquisition unit of the rendering layer acquires the historical image of the video image from the data storage layer; combines the historical image with the current image through the special effect unit of the rendering layer; and outputs the combined image on the terminal screen display.

The computer program code used to perform the operations of the present disclosure can be written in one or more programming languages or a combination thereof. The above-mentioned programming languages include but are not limited to object-oriented programming languages such as Java, Smalltalk, C++, and Including conventional procedural programming languages-such as "C" language or similar programming languages. The program code can be executed entirely on the user's computer, partly on the user's computer, executed as an independent software package, partly on the user's computer and partly executed on a remote computer, or entirely executed on the remote computer or server. In the case of a remote computer, the remote computer can be connected to the user’s computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computer (for example, using an Internet service provider to pass Internet connection).

The flowcharts and block diagrams in the accompanying drawings illustrate the possible implementation architecture, functions, and operations of the system, method, and computer program product according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagram can represent a module, program segment, or part of code, and the module, program segment, or part of code contains one or more for realizing the specified logical function Executable instructions. It should also be noted that, in some alternative implementations, the functions marked in the block may also occur in a different order from the order marked in the drawings. For example, two blocks shown in succession can actually be executed substantially in parallel, or they can sometimes be executed in the reverse order, depending on the functions involved. It should also be noted that each block in the block diagram and/or flowchart, and the combination of the blocks in the block diagram and/or flowchart, can be implemented by a dedicated hardware-based system that performs the specified functions or operations Or it can be realized by a combination of dedicated hardware and computer instructions.

The units involved in the embodiments described in the present disclosure may be implemented in a software manner, or may be implemented in a hardware manner. Wherein, the name of the unit does not constitute a limitation on the unit itself under certain circumstances. For example, the first obtaining unit can also be described as "a unit for obtaining at least two Internet Protocol addresses."

The functions described hereinabove may be performed at least in part by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that can be used include: Field Programmable Gate Array (FPGA), Application Specific Integrated Circuit (ASIC), Application Specific Standard Product (ASSP), System on Chip (SOC), Complex Programmable Logical device (CPLD) and so on.

In the context of the present disclosure, a machine-readable medium may be a tangible medium, which may contain or store a program for use by or in combination with the instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any suitable combination of the foregoing. More specific examples of machine-readable storage media would include electrical connections based on one or more wires, portable computer disks, hard drives, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the foregoing.

According to one or more embodiments of the present disclosure, there is provided an image special effect processing method, including:

Obtain video images;

The combined image output is displayed on the terminal screen.

Further, the method further includes:

According to one or more embodiments of the present disclosure, there is provided an image special effect processing apparatus, including:

Video acquisition module for acquiring video images;

Further, the device further includes:

The image storage module is used to capture an image from the video image as a historical image by the image capture unit of the rendering layer during the playback of the video image, and store the historical image in the data storage layer in.

Further, the device further includes:

The acquisition instruction sending module is configured to send an image acquisition instruction to the image acquisition unit of the rendering layer through the script layer to trigger the operation of the image acquisition unit.

Further, the device further includes:

The control instruction sending module is used to send a control instruction to the special effect fetching unit of the rendering layer through the script layer to trigger the operation of the special effect unit.

Further, the device further includes:

The grabbing instruction sending module is configured to send an image grabbing instruction to the image grabbing unit of the rendering layer through the script layer to trigger the operation of the image grabbing unit.

According to one or more embodiments of the present disclosure, there is provided an electronic device including:

Memory for storing non-transitory computer readable instructions; and

The processor is configured to run the computer-readable instructions to enable the processor to implement the above-mentioned image special effect processing method when executed.

According to one or more embodiments of the present disclosure, a computer-readable storage medium is provided for storing non-transitory computer-readable instructions. When the non-transitory computer-readable instructions are executed by a computer, the The computer executes the above-mentioned image special effect processing method.

The above description is only a preferred embodiment of the present disclosure and an explanation of the applied technical principles. Those skilled in the art should understand that the scope of disclosure involved in the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover the technical solutions that are based on the above technical features or Other technical solutions formed by any combination of its equivalent features. For example, the above-mentioned features and the technical features disclosed in the present disclosure (but not limited to) with similar functions are mutually replaced to form a technical solution.

In addition, although the operations are depicted in a specific order, this should not be understood as requiring these operations to be performed in the specific order shown or performed in a sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, although several specific implementation details are included in the above discussion, these should not be construed as limiting the scope of the present disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features described in the context of a single embodiment can also be implemented in multiple embodiments individually or in any suitable subcombination. Although the subject matter has been described in language specific to structural features and/or logical actions of the method, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or actions described above. On the contrary, the specific features and actions described above are merely exemplary forms of implementing the claims.

Claims

An image special effect processing method, characterized in that it comprises:

Obtain video images;

Determining the current image according to the current playback progress of the video image;

Acquiring the historical image of the video image from the data storage layer through the image acquisition unit of the rendering layer;

Combining the historical image with the current image through the special effect unit of the rendering layer;

The combined image output is displayed on the terminal screen.
The method of claim 1, wherein the method further comprises:

During the playback of the video image, the image capture unit of the rendering layer captures an image from the video image as a historical image, and stores the historical image in a data storage layer.
The method of claim 1, wherein the method further comprises:

Send an image acquisition instruction to the image acquisition unit of the rendering layer through the script layer to trigger the operation of the image acquisition unit.
The method of claim 1, wherein the method further comprises:

The script layer sends a control instruction to the special effect fetching unit of the rendering layer to trigger the operation of the special effect unit.
The method of claim 2, wherein the method further comprises:

Send an image capture instruction to the image capture unit of the rendering layer through the script layer to trigger the operation of the image capture unit.
An image special effect processing device, characterized in that it comprises:

Video acquisition module for acquiring video images;

The current image determining module is configured to determine the current image according to the current playback progress of the video image;

The historical image acquisition module is configured to acquire the historical image of the video image from the data storage layer through the image acquisition unit of the rendering layer;

An image combination module, configured to combine the historical image with the current image through the special effect unit of the rendering layer;

The image display module is used to output the combined image for display on the terminal screen.
An electronic device including:

Memory for storing non-transitory computer readable instructions; and

The processor is configured to run the computer-readable instructions so that the processor implements the image special effect processing method according to any one of claims 1-5 when executed.
A computer-readable storage medium for storing non-transitory computer-readable instructions. When the non-transitory computer-readable instructions are executed by a computer, the computer can execute any one of claims 1-5 Image special effects processing method.