CN109996116B - Method for improving video resolution, terminal and readable storage medium - Google Patents
Method for improving video resolution, terminal and readable storage medium Download PDFInfo
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- CN109996116B CN109996116B CN201910240476.5A CN201910240476A CN109996116B CN 109996116 B CN109996116 B CN 109996116B CN 201910240476 A CN201910240476 A CN 201910240476A CN 109996116 B CN109996116 B CN 109996116B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
Abstract
The invention discloses a method for improving video resolution, a terminal and a computer readable storage medium, wherein the method comprises the following steps: after acquiring hybrid artificial intelligence AI video data, decoding the acquired hybrid AI video data to acquire video processing information and an original video; and improving the resolution of the original video according to the video processing information so as to obtain a new video with the resolution larger than that of the original video. The invention solves the technical problems of large occupied bandwidth, low transmission efficiency and the like in the process of transmitting the high-resolution video through the network.
Description
Technical Field
The present invention relates to the field of intelligent terminals, and in particular, to a method for improving video resolution, a terminal, and a computer-readable storage medium.
Background
In recent years, with rapid development of display and digital technologies, the resolution of display devices is remarkably improved, and consumers have higher requirements on the resolution of videos. At present, when video resources of display equipment are acquired, each video manufacturer firstly converts a low-resolution video into high-resolution videos such as a 4K video and an 8K video, and then transmits the high-resolution videos to each intelligent terminal through a network. However, each high-resolution video has the problems of large occupied bandwidth, low transmission efficiency and the like in the network transmission process.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a method, a terminal and a computer readable storage medium for improving video resolution, and aims to solve the technical problems of large occupied bandwidth, low transmission efficiency and the like of each high-resolution video in the network transmission process.
In order to achieve the above object, the present application provides a method for improving video resolution, which is applied to an intelligent terminal, and includes the steps of:
after acquiring hybrid artificial intelligence AI video data, decoding the acquired hybrid AI video data to acquire video processing information and an original video;
and improving the resolution of the original video according to the video processing information so as to obtain a new video with the resolution larger than that of the original video.
Optionally, after the step of obtaining the video processing information and the original video, the method further includes:
acquiring the display resolution of the intelligent terminal and the original video resolution;
judging whether the display resolution of the intelligent terminal is greater than the original video resolution or not;
when the display resolution of the intelligent terminal is greater than the original video resolution, executing the following steps: and improving the resolution of the original video according to the video processing information so as to obtain a new video with the resolution larger than that of the original video.
Optionally, there are at least two pieces of video processing information, where each piece of video processing information includes a target resolution and a resolution enhancement method corresponding to the target resolution;
before the step of increasing the resolution of the original video according to the video processing information to obtain a new video with the resolution greater than the resolution of the original video, the method further comprises the following steps:
when the display resolution of the intelligent terminal is greater than the original video resolution, displaying the target resolution in each piece of video processing information;
receiving a selection instruction sent by a user according to the displayed target resolution, and confirming the target resolution selected by the user according to the selection instruction;
the step of increasing the resolution of the original video according to the video processing information comprises the following steps:
and improving the original video resolution according to a resolution improving method corresponding to the target resolution selected by the user in the video processing information.
Optionally, there are at least two pieces of video processing information, where each piece of video processing information includes a target resolution and a resolution enhancement method corresponding to the target resolution;
before the step of increasing the resolution of the original video according to the video processing information to obtain a new video with the resolution greater than the resolution of the original video, the method further comprises the following steps:
when the display resolution of the intelligent terminal is larger than the original video resolution, judging whether any target resolution is the same as the display resolution of the intelligent terminal in the target resolutions corresponding to the video processing information;
if so, selecting a resolution improving method corresponding to a target resolution which is the same as the display resolution of the intelligent terminal;
the step of increasing the resolution of the original video according to the video processing information comprises the following steps:
and improving the resolution of the original video according to the resolution improving method corresponding to the selected target resolution.
Optionally, after the step of determining whether any target resolution of the target resolutions corresponding to the video processing information is the same as the display resolution of the intelligent terminal, the method further includes:
if not, judging whether any target resolution is larger than the display resolution of the intelligent terminal in each target resolution;
if so, acquiring a target resolution closest to the display resolution of the intelligent terminal from all target resolutions larger than the display resolution of the intelligent terminal, and selecting a resolution improving method corresponding to the acquired target resolution.
Optionally, if not, after the step of determining whether any target resolution is greater than the display resolution of the intelligent terminal, the method further includes:
and if not, selecting a resolution improving method corresponding to the maximum target resolution from all the target resolutions.
Optionally, the step of increasing the resolution of the original video according to the video processing information to obtain a new video with a resolution greater than the resolution of the original video includes:
sending prompt information whether to improve the original video resolution;
and when a confirmed lifting instruction which is fed back by the user and aims at the prompt information is received, the resolution of the original video is lifted according to the video processing information so as to obtain a new video with the resolution larger than that of the original video.
In addition, in order to achieve the above object, the present application further provides a method for improving video resolution, which is applied to an artificial intelligence AI learning terminal, and includes the steps of:
obtaining video processing information containing a target resolution and a resolution improving method corresponding to the target resolution by using AI learning;
encoding the video processing information and the original video into mixed AI video data by using a preset encoding rule;
and sending the mixed AI video data to an intelligent terminal so that the intelligent terminal decodes the received mixed AI video data to obtain video processing information and an original video, and improving the resolution of the original video according to the video processing information.
In addition, to achieve the above object, the present invention also provides a terminal, including: a communication module, a memory, a processor 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 method of increasing video resolution as described above.
Furthermore, to achieve the above object, the present invention further provides a computer readable storage medium, having a computer program stored thereon, where the computer program is executed by a processor to implement the steps of the method for improving video resolution as described above.
According to the method, the terminal and the computer-readable storage medium for improving the video resolution, provided by the embodiment of the invention, after the hybrid artificial intelligence AI video data is obtained, the obtained hybrid AI video data is decoded to obtain video processing information and an original video; and improving the resolution of the original video according to the video processing information so as to obtain a new video with the resolution larger than that of the original video. Therefore, the AI learning terminal sends the mixed AI video data containing the video processing information and the original video to the intelligent terminals and transmits the AI video data to each intelligent terminal, the intelligent terminal improves the original video resolution by using the video processing information in the mixed AI video data and finally obtains a high-resolution video, and the mixed AI video data is smaller than the high-resolution video data, so that the network transmission of the AI video data to each intelligent terminal occupies a smaller broadband and has high transmission efficiency.
Drawings
FIG. 1 is a schematic diagram of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a first embodiment of a method for increasing video resolution according to the present invention;
FIG. 3 is a flowchart illustrating a second embodiment of a method for increasing video resolution according to the present invention;
FIG. 4 is a flowchart illustrating a third embodiment of a method for increasing video resolution according to the present invention;
FIG. 5 is a flowchart illustrating a fourth embodiment of a method for increasing video resolution according to the present invention;
FIG. 6 is a flowchart illustrating a detailed process of step S20 in the fifth embodiment of the method for increasing video resolution according to the present invention;
fig. 7 is a flowchart illustrating a sixth embodiment of a method for increasing video resolution according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a hardware structure of a terminal provided in various embodiments of the present invention, where the terminal includes components such as a communication module 10, a memory 20, and a processor 30. Those skilled in the art will appreciate that the terminal shown in fig. 1 may also include more or fewer components than shown, or combine certain components, or a different arrangement of components. Wherein, the processor 30 is connected to the memory 20 and the communication module 10, respectively, and the memory 20 stores thereon a computer program, which is executed by the processor 30 at the same time.
The communication module 10 may be connected to an external device through a network. The communication module 10 can receive data from an external device and can also send data, commands and information to the external device. When the terminal is an AI (Artificial Intelligence) learning terminal, the external device may be a television, a mobile phone, a tablet computer, a notebook computer, a desktop computer, or other electronic devices; when the terminal is an intelligent terminal, the external device may be an AI learning terminal or an electronic device such as a television remote controller.
The memory 20 may be used to store software programs as well as various data. The memory 20 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (to improve the original video resolution according to the video processing information), and the like; the storage data area may store data or information created according to the use of the terminal, or the like. Further, the memory 20 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 30, which is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 20 and calling data stored in the memory 20, thereby performing overall monitoring of the terminal. Processor 30 may include one or more processing units; preferably, the processor 30 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 30.
Although not shown in fig. 1, the terminal may further include a circuit control module, which is used for being connected to a mains supply to implement power control and ensure normal operation of other components.
Those skilled in the art will appreciate that the terminal structure shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
Various embodiments of the method of the present invention are presented in terms of the above-described hardware architecture.
Referring to fig. 2, in a first embodiment of the method for improving video resolution of the present invention, the method is applied to an intelligent terminal, and the method for improving video resolution includes the steps of:
step S10, after acquiring the hybrid artificial intelligence AI video data, decoding the acquired hybrid AI video data to acquire video processing information and an original video;
in this scheme, the intelligent terminal can be a television, a smart phone, a notebook computer, a tablet computer and a desktop computer. And the intelligent terminal receives the mixed AI video data sent by the AI learning terminal through a wireless network or a wired network. Specifically, the hybrid AI video data is obtained by an AI learning terminal using AI learning to obtain video processing information, where the video processing information may include a target resolution and a resolution improving method for the target resolution, and then the video processing information and an original video are encoded by using a preset encoding rule to generate the hybrid AI video data. And after receiving the hybrid AI video data, the intelligent terminal decodes the hybrid AI video data to obtain video processing information and an original video.
And step S20, the resolution of the original video is improved according to the video processing information, so as to obtain a new video with the resolution larger than that of the original video.
And the intelligent terminal performs video processing on the original video according to the video processing information obtained after decoding, wherein the video processing is mainly used for improving the resolution of the original video so as to obtain a new video larger than the resolution of the original video. For example, the original video is 480P video, and the 720P video, 1080P video or higher resolution video can be obtained by processing the original video according to the video processing information. And after the resolution ratio of the original video is obtained, the new video is played.
It should be noted that, the AI learning terminal may obtain a plurality of target resolutions and resolution enhancement methods corresponding to the target resolutions through AI learning, and new video resolutions obtained after processing an original video by using different resolution enhancement methods are different. For example, the target resolution is 720P, and after the original video is processed by using the resolution enhancement method corresponding to the target resolution, a 720P video is obtained. When the target resolution is 1080P, the original video is processed by using a resolution enhancement method corresponding to 1080P, and then a 1080P video is obtained. The AI learning terminal encodes a plurality of video processing information including the target resolution and the resolution enhancement method corresponding to the target resolution and the original video according to a preset encoding rule to generate the hybrid AI video data. The intelligent terminal decodes the received mixed-coded AI video data and obtains a plurality of video processing information and original videos. The intelligent terminal can determine to select one piece of video processing information from the plurality of pieces of video processing information according to the selection of the user, and carries out resolution improvement processing on the original video. The intelligent terminal can also automatically select one piece of video processing information from the plurality of pieces of video processing information according to the relation between the corresponding target resolution in the plurality of pieces of video processing information and the display resolution of the intelligent terminal, and the resolution of the original video is improved.
In the embodiment, after the hybrid artificial intelligence AI video data is acquired, the acquired hybrid AI video data is decoded to acquire video processing information and an original video; and improving the resolution of the original video according to the video processing information so as to obtain a new video with the resolution larger than that of the original video. Therefore, the AI learning terminal sends the mixed AI video data containing the video processing information and the original video to the intelligent terminals and transmits the AI video data to each intelligent terminal, the intelligent terminal improves the original video resolution by using the video processing information in the mixed AI video data and finally obtains a high-resolution video, and the mixed AI video data is far smaller than the high-resolution video data, so that the network transmission of the AI video data to each intelligent terminal occupies a smaller broadband and has high transmission efficiency.
Further, referring to fig. 3, a second embodiment of the method for enhancing video resolution according to the first embodiment of the present invention is provided, and in this embodiment, after step S10, the method further includes:
s30, acquiring the display resolution and the original video resolution of the intelligent terminal;
s40, judging whether the display resolution of the intelligent terminal is greater than the original video resolution; if yes, go to step S20: and improving the resolution of the original video according to the video processing information so as to obtain a new video with the resolution larger than that of the original video.
According to the scheme, after the intelligent terminal decodes the obtained mixed-coded AI video data to obtain video processing information and an original video, firstly, the display resolution and the original video resolution of the intelligent terminal are obtained, the display resolution and the original video resolution of the intelligent terminal are judged, and when the display resolution of the intelligent terminal is larger than the original video resolution, the original video resolution is improved according to the video processing information to obtain a new video larger than the original video resolution.
It should be noted that, when the display resolution of the intelligent terminal is less than or equal to the resolution of the original video, the original video is directly played without any processing. For example, the resolution of the intelligent terminal is 480P, and the resolution of the original video is 720P, the original video is directly played.
The embodiment provides a strategy for determining whether to perform resolution enhancement processing on an original video according to the relationship between the display resolution of an intelligent terminal and the resolution of the original video, wherein if the resolution of the original video is greater than or equal to the display resolution of the intelligent terminal, the original video is directly displayed on the intelligent terminal, and the effect of a new video obtained by performing resolution enhancement processing on the original video is consistent with the effect displayed on the intelligent terminal. Therefore, resolution improvement processing is carried out on the original video only when the display resolution of the intelligent terminal is larger than the resolution of the original video, and the processing efficiency of the intelligent terminal on the original video is improved.
Further, referring to fig. 4, a third embodiment of the method for enhancing video resolution according to the present application is proposed according to the first embodiment of the method for enhancing video resolution of the present application, and in this embodiment, before the step S20, the method further includes:
step S50, when the display resolution of the intelligent terminal is larger than the original video resolution, the target resolution in each video processing information is displayed;
step S60, receiving a selection instruction sent by a user according to the displayed target resolution, and confirming the target resolution selected by the user according to the selection instruction;
further, when the present embodiment is executed, the step S20 includes:
and step S21, the original video resolution is improved according to the resolution improving method corresponding to the target resolution selected by the user in the video processing information.
In the scheme, when the intelligent terminal decodes at least two pieces of video processing information obtained by mixed-coded AI video data obtained, each piece of video processing information comprises a target resolution and a resolution improving method corresponding to the target resolution, and the display resolution of the intelligent terminal is greater than the original video resolution, the intelligent terminal displays the target resolution in each piece of video processing information, a user can select one target resolution from the displayed target resolutions according to a selection instruction sent by the displayed target resolution, and the intelligent terminal confirms the target resolution selected by the user according to the selection instruction of the user. And then according to the target resolution selected by the user, selecting a resolution improving method corresponding to the target resolution to improve the resolution of the original video, obtaining a new video with the target resolution, and playing the new video. For example, there are 3 target resolutions 720P, 1080P, and 4K, and if the user selects 1080P from the 3 target resolutions, the intelligent terminal selects the resolution enhancement method corresponding to 1080P to enhance the resolution of the original video, so as to obtain a 1080P new video.
The embodiment provides a strategy for selecting a resolution improving method according to user selection to carry out resolution improving processing on an original video; therefore, the interactivity and the experience of the user are improved.
Further, referring to fig. 5, a fourth embodiment of the method for enhancing video resolution according to the present application is proposed in accordance with the first embodiment of the method for enhancing video resolution of the present application, and in this embodiment, before the step S20, the method further includes:
step S70, when the display resolution of the intelligent terminal is larger than the original video resolution, judging whether any target resolution in the target resolutions corresponding to the video processing information is the same as the display resolution of the intelligent terminal; if yes, go to step S80, otherwise go to step S81;
step S80, selecting a resolution improving method corresponding to a target resolution which is the same as the display resolution of the intelligent terminal;
step S81, judging whether any target resolution is greater than the display resolution of the intelligent terminal in each target resolution; if yes, go to step S82, otherwise go to step S83;
step S82, obtaining a target resolution closest to the display resolution of the intelligent terminal from all target resolutions larger than the display resolution of the intelligent terminal, and selecting a resolution improving method corresponding to the obtained target resolution;
step S83, selecting a resolution improving method corresponding to the maximum target resolution from all the target resolutions;
further, when the present embodiment is executed, the step S20 includes:
and step S22, the original video resolution is improved according to the resolution improving method corresponding to the target resolution selected in the video processing information.
In the scheme, when the intelligent terminal decodes at least two pieces of video processing information obtained by mixed-coded AI video data obtained by the intelligent terminal, each piece of video processing information comprises a target resolution and a resolution improvement method corresponding to the target resolution, and the display resolution of the intelligent terminal is greater than that of the original video, the intelligent terminal firstly judges whether any target resolution identical to the display resolution of the intelligent terminal exists in each target resolution, if yes, the resolution improvement method corresponding to the target resolution identical to the display resolution of the intelligent terminal is selected, the resolution of the original video is improved, a new video is obtained, and the new video is played
And if the target resolutions are different from the display resolution of the intelligent terminal, continuously judging whether any target resolution larger than the display resolution of the intelligent terminal exists in the target resolutions. And if the target resolution ratio which is greater than the display resolution ratio of the intelligent terminal exists, obtaining the difference value between each target resolution ratio which is greater than the display resolution ratio of the intelligent terminal and the display resolution ratio of the intelligent terminal, and selecting the target resolution ratio with the minimum difference value from the difference values, so that the resolution ratio of the original video is improved by using the resolution ratio improving method corresponding to the target resolution ratio, and a new video is obtained and played. For example, the display resolution of the intelligent terminal is 1080P, the target resolutions include 720P, 4K and 8K, and the target resolutions 4K and 8K greater than 1080P exist. And the difference between 4K and 1080P is less than the difference between 8K and 1080P, so that the resolution of the original video is improved by selecting a resolution improving method corresponding to 4K, and finally the 4K video is obtained.
If the target resolution ratio which is greater than or equal to the display resolution ratio of the intelligent terminal does not exist, namely, each target resolution ratio is smaller than the display resolution ratio of the intelligent terminal, the difference value between each target resolution ratio and the display resolution ratio of the intelligent terminal is obtained, at the moment, each difference value is a negative value, so that the target resolution ratio corresponding to the largest difference value in each difference value is selected, the resolution ratio of the original video is improved by using the resolution ratio improving method corresponding to the target resolution ratio, and the new video is obtained and played. For example, the display resolution of the intelligent terminal is 4K, the target resolution includes 720P and 1080P, the target resolution is smaller than 4K, and the difference between 1080P and 4K is greater than the difference between 720P and 4K, so that the resolution enhancement method corresponding to 1080P is selected to enhance the resolution of the original video, and a 1080P video is obtained.
It should be noted that, when the intelligent terminal decodes at least two pieces of video processing information obtained by the hybrid AI video data obtained by the intelligent terminal, each piece of video processing information includes a target resolution and a resolution enhancement method corresponding to the target resolution, and the display resolution of the intelligent terminal is greater than the original video resolution, the intelligent terminal may first determine whether each target resolution is less than the display resolution of the intelligent terminal; if so, selecting a resolution ratio improving method corresponding to the maximum target resolution ratio from all target resolution ratios, and improving the original video resolution ratio by using the resolution ratio improving method; if not, obtaining corresponding difference values between the target resolution ratios which are greater than or equal to the display resolution ratio of the intelligent terminal and the display resolution ratio of the intelligent terminal, selecting the target resolution ratio corresponding to the minimum difference value from the difference values, and using a resolution ratio improving method corresponding to the target resolution ratio to improve the original video resolution ratio.
The embodiment provides a strategy for improving the resolution of an original video by automatically selecting a resolution improving method according to the relation between the display resolution of an intelligent terminal and the target resolution in video processing information; therefore, the resolution of the new video is adaptive to the display resolution of the intelligent terminal, the optimized playing effect is achieved, and the user experience is improved.
Further, referring to fig. 6, a fifth embodiment of the method for enhancing video resolution according to the present application is provided according to the first embodiment of the method for enhancing video resolution according to the present application, in this embodiment, the step S20 includes:
step S23, sending prompt information whether to improve the resolution of the original video;
and step S24, when receiving a confirmation lifting instruction for the prompt information fed back by the user, lifting the resolution of the original video according to the video processing information to obtain a new video with the resolution larger than the resolution of the original video.
In the scheme, the intelligent terminal sends prompt information whether to improve the original video resolution to be displayed on the display screen or broadcasts the prompt information whether to improve the original video resolution in a voice mode, and a user can confirm the prompt information and feed the prompt information back to the intelligent terminal.
The embodiment provides a method for determining whether to improve the resolution of an original video according to a user decision, so that the experience of a user is improved.
Referring to fig. 7, in a sixth embodiment of the method for improving video resolution according to the present invention, applied to an AI learning terminal, the method for improving video resolution includes the steps of:
step S101, obtaining video processing information containing a target resolution and a resolution improving method corresponding to the target resolution by using AI learning;
step S102, encoding the video processing information and the original video into mixed AI video data by using a preset encoding rule;
step S103, sending the mixed AI video data to an intelligent terminal so that the intelligent terminal can decode the received mixed AI video data to obtain video processing information and an original video, and improving the resolution of the original video according to the video processing information.
In the scheme, an AI learning terminal obtains video processing information of an original video by using AI learning on the original video, wherein the video processing information can comprise a target resolution and a resolution improving method for the target resolution, and then encodes the video processing information and the original video by using a preset encoding rule to generate mixed AI video data; and finally, sending the mixed AI video data to an intelligent terminal through a wired or wireless network so that the intelligent terminal can decode the received mixed AI video data to obtain video processing information and an original video, and improving the resolution of the original video according to the video processing information.
When a high-resolution video (e.g., 4K video, 8K video, etc.) exists, the AI learning terminal may convert the high-resolution video into a low-resolution video (e.g., 480P, 576P, etc.) using AI video learning on the high-resolution video, and also obtain video processing information for restoring the low-resolution video into the high-resolution video.
When the AI learning terminal is used for coding, the video processing information can be placed in front of the original video to generate mixed AI video data of the video processing information and the original video, and the video processing information can also be placed behind the original video to generate mixed AI video data of the original video and the video processing information.
When the AI video data includes a plurality of video processing information, the coded structure of the hybrid-coded AI video data may be video processing information 1+ video processing information 2+ ·+ video processing information n + original video, or original video + video processing information 1+ video processing information 2+ ·+ video processing information n. When the video processing information includes a target resolution and a resolution enhancement method corresponding to the target resolution, the data structure of the video processing information is the target resolution + the resolution enhancement method corresponding to the target resolution.
It should be noted that, when the AI learning terminal encodes, a feature value for identifying as the hybrid AI video data may be added before the video processing information, for example, 0x 0A. In addition, in order to determine that all the video processing information is decoded when the intelligent terminal decodes, an END may be encoded after the video processing information, and information before the END is marked as the video processing information.
The embodiment obtains video processing information including a target resolution and a resolution enhancement method corresponding to the target resolution by using AI learning; encoding the video processing information and the original video into mixed AI video data by using a preset encoding rule; and sending the mixed AI video data to an intelligent terminal. Therefore, the AI learning terminal encodes the video processing information and the original video to form mixed AI video data, wherein the mixed AI video data is far smaller than the high-resolution video data, the bandwidth occupied by the network transmission of the AI video data to each intelligent terminal is smaller, and the transmission efficiency is high.
The invention also proposes a computer-readable storage medium on which a computer program is stored. The computer-readable storage medium may be the Memory 20 in the smart terminal of fig. 1, and may also be at least one of a ROM (Read-Only Memory)/RAM (Random Access Memory), a magnetic disk, and an optical disk, and the computer-readable storage medium includes several pieces of information for enabling the smart terminal to perform the method according to the embodiments of the present invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
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.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A method for improving video resolution is characterized in that the method is applied to an intelligent terminal and comprises the following steps:
after acquiring hybrid artificial intelligence AI video data, decoding the acquired hybrid AI video data to acquire a plurality of video processing information and an original video; the AI learning terminal obtains a plurality of video processing information by using AI learning on the original video, and encodes the video processing information and the original video by using a preset encoding rule to generate the mixed AI video data; each piece of video processing information comprises a target resolution and a resolution improving method corresponding to the target resolution, and the resolution of the original video is lower than the target resolution;
acquiring the display resolution of the intelligent terminal and the original video resolution;
judging whether the display resolution of the intelligent terminal is greater than the original video resolution or not;
when the display resolution of the intelligent terminal is larger than the original video resolution, judging whether any target resolution is the same as the display resolution of the intelligent terminal in the target resolutions corresponding to the video processing information; if not, judging whether any target resolution is larger than the display resolution of the intelligent terminal in each target resolution; if any target resolution is larger than the display resolution of the intelligent terminal, the target resolution closest to the display resolution of the intelligent terminal is obtained from all the target resolutions larger than the display resolution of the intelligent terminal, video processing information containing the obtained target resolution is selected, and the original video resolution is improved according to a resolution improving method corresponding to the target resolution in the selected video processing information, so that a new video larger than the original video resolution is obtained.
2. The method according to claim 1, wherein the step of determining whether any target resolution of the target resolutions corresponding to the video processing information is the same as the display resolution of the intelligent terminal further comprises:
and if so, selecting video processing information containing the target resolution which is the same as the display resolution of the intelligent terminal.
3. The method for improving the resolution of video according to claim 2, wherein the step of determining whether any target resolution among the target resolutions is greater than the display resolution of the intelligent terminal further comprises:
and if any target resolution does not exist in the target resolutions and is larger than the display resolution of the intelligent terminal, selecting the video processing information containing the maximum target resolution.
4. The method for improving the resolution of video according to any of claims 1-3, wherein before the step of improving the resolution of the original video according to the resolution improvement method corresponding to the target resolution in the selected video processing information, the method further comprises:
sending prompt information whether to improve the original video resolution;
and when receiving a confirmed lifting instruction which is fed back by a user and aims at the prompt information, executing the step of lifting the resolution of the original video according to the resolution lifting method corresponding to the target resolution in the selected video processing information so as to obtain a new video with the resolution greater than the resolution of the original video.
5. A method for improving video resolution is characterized in that the method is applied to an artificial intelligence AI learning terminal and comprises the following steps:
obtaining a plurality of video processing information including a target resolution and a resolution improving method corresponding to the target resolution by using AI learning on an original video, wherein the resolution of the original video is lower than the target resolution;
encoding the plurality of video processing information and the original video into mixed AI video data by using a preset encoding rule;
and sending the mixed AI video data to an intelligent terminal so that the intelligent terminal decodes the received mixed AI video data to obtain video processing information and an original video, and when the display resolution of the intelligent terminal is greater than the original video resolution, and judging that any target resolution is different from the display resolution of the intelligent terminal but greater than the display resolution of the intelligent terminal in the target resolutions corresponding to the video processing information, acquiring a target resolution closest to the display resolution of the intelligent terminal from all the target resolutions greater than the display resolution of the intelligent terminal, and improving the original video resolution according to a resolution improving method corresponding to the target resolution.
6. A terminal, characterized in that the terminal comprises: communication module, a memory, a processor and a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps of the method of increasing video resolution according to any one of claims 1 to 5.
7. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method for increasing video resolution according to any one of claims 1 to 5.
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