CN115209193A - Display processing equipment and method and display system - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000003672 processing method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 description 10
- 208000003464 asthenopia Diseases 0.000 description 7
- 230000036541 health Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003062 neural network model Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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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
- H04N21/43—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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
Abstract
The application discloses a display processing device and method and a display system, relates to the technical field of display, and mainly aims to play a video in an optimal display proportion and improve the film watching experience of a user; the display processing apparatus includes: the acquisition module is used for acquiring the picture quality data of the current video to be played of the display equipment; a determining module, configured to determine a viewing distance of a user currently viewing the display device; a processing module, configured to determine a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, and a current screen resolution and a screen size of the display device.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display processing device and method, and a display system.
Background
As display technologies have been developed, the screen size of display devices such as televisions, projectors, and the like has been made larger. Currently, display devices only support full-screen playback or playback of video at a fixed display scale. Once the situation that the video is not suitable for full-width playing or fixed-scale playing occurs, the user can watch the video at an improper display scale, and the situation can cause poor watching experience for the user, even visual fatigue of the user, and influence on eye health of the user.
Disclosure of Invention
In view of this, the present application provides a display processing apparatus and method, and a display system, and mainly aims to play a video at an optimal display ratio, so as to improve the viewing experience of a user.
In order to achieve the above purpose, the present application mainly provides the following technical solutions:
in a first aspect, the present application provides a display processing apparatus, comprising:
the acquisition module is used for acquiring the picture quality data of the current video to be played of the display equipment;
a determining module, configured to determine a viewing distance of a user currently viewing the display device;
a processing module for determining a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, and a current screen resolution and screen size of the display device.
In some embodiments, the processing module comprises: the calculating unit is used for calculating a pixel density unit of the display equipment based on the screen size, the length pixel number and the width pixel number corresponding to the current screen resolution; a determination unit configured to determine the display scale based on the pixel density unit, the picture quality data, and the viewing distance.
In some embodiments, the determining unit comprises: a first selecting subunit, configured to select a target correspondence corresponding to the pixel density unit, where the target correspondence describes a numerical correspondence between a sample ratio, picture quality data, and a viewing distance in a specific pixel density unit; and the determining subunit is configured to determine a sample proportion corresponding to the image quality data and the viewing distance in the target correspondence, and determine the determined sample proportion as the display proportion.
In some embodiments, the determining unit comprises: a calculating subunit, configured to assign corresponding weights to the pixel density unit, the picture quality data, and the viewing distance, and calculate products of the pixel density unit, the picture quality data, and the viewing distance and their respective weights, respectively; calculating the sum of the obtained products; and a second selecting subunit, configured to determine a sample ratio corresponding to the summation as the display ratio.
In some embodiments, the determining module comprises: a first determining unit, configured to determine, when there are a plurality of users currently viewing the display device, an average value of distances between all the users and the display device as the viewing distance.
In some embodiments, the determining module comprises: a second determining unit configured to acquire an image of each user when a plurality of users currently viewing the display device are present; determining a user category corresponding to each user based on the acquired images; a third determining unit, configured to determine, based on the determined user categories, a matching degree of each user with the video; and determining the distance between the user with the highest matching degree and the display equipment as the viewing distance.
In some embodiments, the display processing apparatus further comprises: and the control module is used for controlling the display equipment to display the video frame of the video according to the display proportion.
In some embodiments, the control module comprises: and the control unit is used for setting a target display area in the screen of the display equipment based on the display proportion and displaying the video frame of the video in the target display area.
In a second aspect, the present application provides a display system comprising: a display device and the display processing device of the first aspect;
and the display equipment is used for displaying the video frame of the video according to the display proportion determined by the display processing equipment for the current video to be played.
In a third aspect, the present application provides a display processing method, including:
acquiring picture quality data of a video to be played currently by a display device;
determining a viewing distance of a user currently viewing the display device;
determining a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, a current screen resolution and a screen size of the display device.
In a fourth aspect, the present application provides a computer-readable storage medium, where the storage medium includes a stored program, and when the program runs, a device in the storage medium is controlled to execute the display processing method according to the third aspect.
According to the display processing device, the display processing method and the display system, when the display device needs to play a video, the obtaining module in the display processing device obtains the image quality data of the video to be played currently of the display device, and the determining module determines the watching distance of a user watching the display device currently. The processing module determines a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, the current screen resolution and the screen size of the display device. Therefore, according to the scheme provided by the application, the optimal display proportion required by the display equipment to display the video frame of the video can be determined according to the picture quality data of the video, the viewing distance of the user to view the display equipment, and the current screen resolution and the screen size of the display equipment, so that the display equipment can display the video frame of the video at the optimal display proportion, the user can view the video at the optimal display proportion, the viewing experience of the user is further improved, the visual fatigue of the user is reduced, and the eye health of the user is protected.
The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, 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 illustrating a display processing apparatus according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a display processing apparatus according to another embodiment of the present application;
fig. 3 is a schematic diagram illustrating a numerical correspondence relationship among a sample ratio, picture quality data, and a viewing distance according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram illustrating a display system according to an embodiment of the present application;
fig. 5 is a flowchart illustrating a display processing method according to another embodiment of the present application.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Currently, display devices only support full play or play video at a fixed display scale in the screen. Once the situation that the video is not suitable for full-width playing or fixed-scale playing occurs, the user can watch the video at an improper display scale, and the situation can cause poor watching experience for the user, even visual fatigue of the user, and influence on eye health of the user.
In order to improve the viewing experience of a user, the embodiment of the application provides a display processing device and method, and a display system, so that an optimal display proportion required by the display device to display a video frame of a video is determined according to picture quality data of the video, a viewing distance of the user viewing the display device, and a current screen resolution and a screen size of the display device, so that the display device displays the video frame of the video at the optimal display proportion, and thus the user views the video at the optimal display proportion, the viewing experience of the user is improved, the visual fatigue of the user is reduced, and the eye health of the user is protected.
The display processing device provided by the embodiment of the application can be used interactively with any display device which needs to intelligently adjust the display scale. The specific type of the display device is not specifically limited in the embodiments of the present application, and any display device having a video playing function may be used as the display device in the embodiments of the present application. Illustratively, the display device may include, but is not limited to, a television, a projector.
The following specifically describes the display processing apparatus and method and the display system provided in the embodiments of the present application.
As shown in fig. 1, an embodiment of the present application provides a display processing apparatus, which mainly includes: an acquisition module 11, a determination module 12 and a processing module 13. Wherein, the first and the second end of the pipe are connected with each other,
the obtaining module 11 is configured to obtain picture quality data of a video to be currently played by a display device.
A determining module 12, configured to determine a viewing distance of a user currently viewing the display device.
And the processing module 13 is configured to determine a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, and the current screen resolution and screen size of the display device.
The following describes specific structures and interaction relationships of the components involved in the display processing device:
the acquisition module 11:
the obtaining module 11 is mainly used for obtaining picture quality data of a video to be played currently by a display device. The display device is an electronic device with a video playing function and a display scale requirement of intelligent adjustment. Illustratively, the display device is a television or a projector. The determination of the current video to be played by the display device is related to the application scene of the display device. Therefore, the method for determining the current video to be played includes the following two methods: firstly, when a user switches to a television program in a scene that the display device receives the television signal for playing the television program, a video carried by the television signal of the switched television program is a current video to be played; and secondly, when the display equipment plays the video appointed by the user in the storage equipment, the appointed video is the current video to be played.
After the video to be played currently of the display device is determined, the obtaining module 11 is responsible for obtaining picture quality data of the video, where the picture quality data is used to describe a display condition of a video frame of the video. The acquisition modes of the picture quality data comprise the following two modes: firstly, when the video to be played is a television signal, the picture quality data carried by the video to be played is analyzed from the television signal. Secondly, when the current video to be played is the appointed video, the carried picture quality data is analyzed from the video. The picture quality data may comprise content that is selected based on specific service requirements. Illustratively, the picture quality data may include at least one of: video resolution, FPS (Frames Per Second transmission).
The determination module 12:
the determination module 12 is mainly used for determining the viewing distance of a user currently viewing the display device. The distance between the user and the display device directly affects the viewing experience of the user, so that the viewing distance of the user needs to be taken as one of the factors when determining the display scale. The determination of the viewing distance of the user is related to the specific structure of the determination module 12, and is explained as follows:
first, as shown in fig. 2, the determination module 12 includes a first determination unit 121. A first determining unit 121, configured to determine an average value of distances between all users and the display device as the viewing distance when there are a plurality of users currently viewing the display device.
Considering that there may be a case where two or more users watch the display device at the same time, the distance between each user and the display device is determined in order to equalize the viewing experience of the users. The average of the distances between all users and the display device is then determined as the viewing distance. It should be noted that the distance between the user and the display device may be acquired by a distance detector such as a laser radar or a binocular camera disposed on the display device.
Further, when there is one user currently viewing the display device, the first determination unit 121 determines the distance between the user and the display device as the viewing distance.
Secondly, as shown in fig. 2, the determining module 12 includes a second determining unit 122 and a third determining unit 123. A second determining unit 122, configured to acquire an image of each user when a plurality of users currently viewing the display device are present; based on the acquired images, a user category corresponding to each user is determined. A third determining unit 123, configured to determine a matching degree of each user with the video based on the determined user category; and determining the distance between the user with the highest matching degree and the display equipment as the viewing distance.
Considering that there may be two or more users watching the display device at the same time, but the display device can only play one type of video at the same time, which meets the watching requirement of users in one user category, when there are multiple users watching the display device currently, it is necessary to acquire an image of each user to determine the user category of each user based on the images of the users. It should be noted that the image of the user may be captured by an image capturing device having an image capturing function, such as a high definition camera.
When acquiring an image of each user currently viewing the display device, the second determining unit 122 needs to determine a user category corresponding to each user. The method for determining the user category comprises the following steps: firstly, a user category identification model is adopted to identify an image of each user to obtain a user category corresponding to each user, wherein the user category can be children, teenagers, middle-aged people and old people. Second, considering that members in a family are fixed, images of each family member may be collected in advance, and then each image obtained may be compared with the images collected in advance, thereby determining to which member in the family the image belongs. The user category at this time is the specific member in the family.
After determining the user category of each user, the third determining unit 123 determines the degree of matching of each user with the video based on the determined user category. The determination process of the matching degree may be: acquiring identification information of a current video, wherein the identification information is used for describing which type of program the video corresponds to; and then inputting the user category and the identification information into a preset matching degree recognition model, and obtaining the matching degree after the matching degree recognition model is recognized. The preset matching degree recognition model is a preset trained model for recognizing the matching degree based on the identification information and the user category, and can be a neural network model.
Since a higher matching degree indicates that the video meets the viewing requirements of the corresponding user, after determining the matching degree between each user and the video, the third determining unit 123 determines the distance between the user with the highest matching degree and the display device as the viewing distance. It should be noted that, if the user with the highest matching degree is in parallel, for example, the matching degrees of two or more users are the same and are the highest, at this time, the average value of the distances between the user with the highest matching degree and the display device may be determined as the viewing distance.
The processing module 13:
the processing module 13 is mainly configured to determine a display ratio required by the display device to display a video frame of a video based on the picture quality data, the viewing distance, the current screen resolution and the screen size of the display device, where the determined display ratio is an optimal display ratio required by the display device to display the video frame of the video, and the video frame of the video is displayed at the display ratio, so that the viewing experience of a user can be improved, and the eyesight of the user can be protected.
As shown in fig. 2, the specific structure of the processing module 13 is as follows: the processing module 13 includes a calculation unit 131 and a determination unit 132. The calculating unit 131 is configured to calculate a pixel density unit of the display device based on the screen size, the number of pixels in length corresponding to the current screen resolution, and the number of pixels in width. A determining unit 132 for determining a display scale based on the pixel density unit, the picture quality data, and the viewing distance.
A specific process of the calculating unit 131 calculating the pixel density unit of the display device may be represented by the following formula:
wherein PPI denotes a pixel density unit of the display device; l represents the number of length pixels corresponding to the resolution of the current screen; w represents the number of width pixels corresponding to the resolution of the current screen; s represents the screen size in inches.
The method for determining the display scale by the determining unit 132 is related to the specific structure thereof, and the specific structure thereof includes the following two types:
first, as shown in fig. 2, the determining unit 132 includes a first selecting subunit 1321 and a determining subunit 1322. The first selecting subunit 1321 is configured to select a target correspondence corresponding to a pixel density unit, where the target correspondence describes a numerical correspondence between a sample ratio, picture quality data, and a viewing distance in a specific pixel density unit. The determining subunit 1322 is configured to determine a sample ratio corresponding to the image quality data and the viewing distance in the target correspondence, and determine the determined sample ratio as the display ratio.
In order to improve the determination efficiency of the display scale, it is necessary to preset mapping between a plurality of pixel density units and a plurality of target correspondences, where a numerical correspondence between a sample scale, picture quality data, and a viewing distance exists in the target correspondences mapped by one pixel density unit. The storage format of the target correspondence is not limited, and for convenience of description, for example, the numerical correspondence among the sample ratio, the picture quality data, and the viewing distance is described below with reference to fig. 3, where fig. 3 shows the target correspondence mapped by the pixel density unit with the value "67.78", and the picture quality data in fig. 3 uses the video resolution. In fig. 3, the vertical axis D represents the viewing distance, the horizontal axis H represents the sample ratio, the line a is a line corresponding to the video resolution 480P, the line B is a line corresponding to the video resolution 720P, and the line C is a line corresponding to the video resolution 1080P. For example, if the viewing distance is 360 cm and the resolution of the video is 720P, the display scale is determined to be 45 inches.
Second, as shown in fig. 2, the determining unit 132 includes a calculating subunit 1323 and a second selecting subunit 1324. The calculating subunit 1323 is configured to assign corresponding weights to the pixel density unit, the picture quality data, and the viewing distance, and calculate products of the pixel density unit, the picture quality data, the viewing distance, and the weights thereof, respectively; the sum of the resulting products is calculated. A second selection subunit 1324, configured to determine a sample scale corresponding to the sum as a display scale.
The calculating subunit 1323 assigns corresponding weights to the pixel density unit, the picture quality data, and the viewing distance, respectively, and the weights of the pixel density unit, the picture quality data, and the viewing distance may be determined based on their respective degrees of influence on the viewing experience. And respectively allocating corresponding weights to the pixel density unit, the picture quality data and the viewing distance, respectively calculating products of the pixel density unit, the picture quality data and the viewing distance and the respective weights, and then calculating the sum of the products, wherein the specific value of the sum influences the determination of the display scale.
In order to improve the determination efficiency of the display scale, it is necessary to preset the correspondence between a plurality of numerical ranges and a plurality of sample scales, where there is no intersection between the numerical ranges. After the sum of the obtained products is calculated, the numerical range in which the sum is located is determined, and the sample proportion corresponding to the determined numerical range is determined as the display proportion.
The display proportion determined by the processing module 13 through the above process is the optimal display proportion required by the display device to display the video frame of the video, and the display device can display the video frame of the video according to the display proportion for the user to watch, so that the film watching experience of the user is improved.
According to the display processing device provided by the embodiment of the application, when the display device needs to play a video, the acquisition module in the display processing device acquires the picture quality data of the video to be played currently by the display device, and the determination module determines the viewing distance of a user who is watching the display device currently. The processing module determines a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, the current screen resolution and the screen size of the display device. Therefore, according to the scheme provided by the embodiment of the application, the optimal display proportion required by the display equipment to display the video frame of the video can be determined according to the picture quality data of the video, the viewing distance of the user viewing the display equipment, the current screen resolution and the screen size of the display equipment, so that the display equipment can display the video frame of the video at the optimal display proportion, the user can view the video at the optimal display proportion, the viewing experience of the user is further improved, the visual fatigue of the user is reduced, and the eye health of the user is protected.
Further, as shown in fig. 2, the display processing apparatus provided in the embodiment of the present application may further include a control module 14. The control module 14 is configured to control the display device to display video frames of the video according to the display scale.
When controlling the display device, the control module 14 may issue the display scale to the processor of the display device in the form of an instruction, so that the processor controls the display device to display the video frame of the video according to the display scale based on the display scale.
Since the user may have a certain relative position with the display device when viewing the display device, in order to facilitate the user to have a good viewing effect at the position where the user is located, as shown in fig. 2, the control module 14 includes a control unit 141. A control unit 141 for setting a target display area in the screen of the display device based on the display scale and displaying a video frame of the video within the target display area. The target display area is determined by the display scale and the position of the user.
For example, when the user is located at a position facing the screen of the display device, the center of the display screen is used as the center of the target display area, and then the target display area is set based on the center and the display scale, and after the video frame is displayed in the target display area, the centers of the video frame, the target display area, and the display screen coincide.
For example, if the user is located to the right in front of the display device, the upper left corner of the display screen is taken as the upper left corner of the target display area, then the target display area is set based on the point of the upper left corner and the display scale, and after the video frame is displayed in the target display area, the upper left corner of the video frame, the upper left corner of the display screen, and the upper left corner of the target display area coincide.
Further, according to the above method embodiment, another embodiment of the present application further provides a display system, as shown in fig. 4, the display system includes: a display device 21 and the above-described display processing device 22; and the display device 21 is configured to display the video frames of the video according to the display scale determined by the display processing device 22 for the current video to be played.
According to the display system provided by the embodiment of the application, when the display device needs to play a video, the acquisition module in the display processing device acquires the picture quality data of the video to be played currently by the display device, and the determination module determines the viewing distance of a user who is watching the display device currently. The processing module determines a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, the current screen resolution and the screen size of the display device. Therefore, according to the scheme provided by the embodiment of the application, the optimal display proportion required by the display equipment to display the video frame of the video can be determined according to the picture quality data of the video, the viewing distance of the user to view the display equipment, the current screen resolution and the screen size of the display equipment, so that the display equipment can display the video frame of the video at the optimal display proportion, the user can view the video at the optimal display proportion, the viewing experience of the user is further improved, the visual fatigue of the user is reduced, and the eye health of the user is protected.
Further, according to the above method embodiment, another embodiment of the present application further provides a display processing method, as shown in fig. 5, the display processing method includes the following steps:
301. and acquiring the picture quality data of the current video to be played of the display equipment.
302. Determining a viewing distance of a user currently viewing the display device.
303. Determining a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, a current screen resolution and a screen size of the display device.
According to the display processing method provided by the embodiment of the application, when the display device needs to play a video, the image quality data of the video to be played currently of the display device is obtained, and then the watching distance of a user watching the display device currently is determined. And finally, determining the display proportion required by the display equipment to display the video frame of the video based on the picture quality data, the viewing distance, the current screen resolution and the screen size of the display equipment. Therefore, according to the scheme provided by the embodiment of the application, the optimal display proportion required by the display equipment to display the video frame of the video can be determined according to the picture quality data of the video, the viewing distance of the user to view the display equipment, the current screen resolution and the screen size of the display equipment, so that the display equipment can display the video frame of the video at the optimal display proportion, the user can view the video at the optimal display proportion, the viewing experience of the user is further improved, the visual fatigue of the user is reduced, and the eye health of the user is protected.
Optionally, the specific method for determining the viewing distance of the user currently viewing the display device in step 302 includes the following two methods:
first, the specific process of determining the viewing distance of the user currently viewing the display device in step 302 includes: when a plurality of users currently watching the display device are provided, determining the average value of the distances between all the users and the display device as the watching distance.
Secondly, the specific process of determining the viewing distance of the user currently viewing the display device in step 302 includes: when a plurality of users currently watching the display equipment are available, acquiring an image of each user; determining a user category corresponding to each user based on the acquired images; determining the matching degree of each user with the video based on the determined user category; and determining the distance between the user with the highest matching degree and the display equipment as the viewing distance.
Optionally, the step 303 of determining a display ratio required by the display device to display the video frame of the video based on the picture quality data, the viewing distance, and the current screen resolution and screen size of the display device may include the following steps 3031 to 3032:
3031. and calculating the pixel density unit of the display equipment based on the screen size, the length pixel number and the width pixel number corresponding to the current screen resolution.
3032. Determining the display scale based on the pixel density unit, the picture quality data, and the viewing distance.
Optionally, in step 3032, based on the pixel density unit, the picture quality data, and the viewing distance, the method for determining the display ratio includes the following two methods:
first, the specific process of determining the display scale based on the pixel density unit, the picture quality data and the viewing distance in step 3032 includes: selecting a target corresponding relation corresponding to the pixel density unit, wherein the target corresponding relation describes a numerical value corresponding relation among a sample proportion, picture quality data and a viewing distance on the premise of specifying the pixel density unit; and determining the sample proportion corresponding to the picture quality data and the viewing distance in the target corresponding relation, and determining the determined sample proportion as the display proportion.
Secondly, the specific process of determining the display scale based on the pixel density unit, the picture quality data and the viewing distance in step 3032 includes: respectively distributing corresponding weights to the pixel density unit, the picture quality data and the viewing distance, and respectively calculating the product of the pixel density unit, the picture quality data and the viewing distance and the respective weight; calculating the sum of the obtained products; determining a sample scale corresponding to the summation as the display scale.
Optionally, after determining, in step 303, a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, and the current screen resolution and screen size of the display device, the display processing method may further include the following steps: and controlling the display equipment to display the video frame of the video according to the display scale.
Optionally, the specific process of controlling the display device to display the video frame of the video according to the display scale includes: and setting a target display area in a screen of the display device based on the display scale, and displaying a video frame of the video in the target display area.
In the display processing method provided in the embodiment of the present application, for details of each step, reference may be made to details corresponding to the foregoing display processing apparatus embodiment, and details are not described herein again.
Further, according to the foregoing embodiment, another embodiment of the present application further provides a computer-readable storage medium, where the storage medium includes a stored program, and when the program runs, a device where the storage medium is located is controlled to execute the foregoing display processing method.
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 the related descriptions of other embodiments.
It will be appreciated that the relevant features of the method and apparatus described above are referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. In addition, this application is not directed to any particular programming language. It will be appreciated that a variety of programming languages may be used to implement the teachings of the present application as described herein, and any descriptions of specific languages are provided above to disclose the best modes of the present application.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the present application may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components in the methods, apparatus and frameworks for operation of the deep neural network models in accordance with embodiments of the present application. The present application may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present application may be stored on a computer readable medium or may be in the form of one or more signals. Such a signal may be downloaded from an internet website, or provided on a carrier signal, or provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (10)
1. A display processing apparatus characterized by comprising:
the acquisition module is used for acquiring the picture quality data of the current video to be played of the display equipment;
the determining module is used for determining the viewing distance of a user who is currently viewing the display equipment;
a processing module for determining a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, and a current screen resolution and screen size of the display device.
2. The display processing device of claim 1, wherein the processing module comprises:
the calculating unit is used for calculating a pixel density unit of the display equipment based on the screen size, the length pixel number and the width pixel number corresponding to the current screen resolution;
a determination unit configured to determine the display scale based on the pixel density unit, the picture quality data, and the viewing distance.
3. The display processing apparatus according to claim 2, wherein the determination unit includes:
a first selecting subunit, configured to select a target correspondence corresponding to the pixel density unit, where the target correspondence describes a numerical correspondence between a sample ratio, picture quality data, and a viewing distance in a specific pixel density unit;
a determining subunit, configured to determine a sample proportion corresponding to the picture quality data and the viewing distance in the target correspondence, and determine the determined sample proportion as the display proportion.
4. The display processing apparatus according to claim 2, wherein the determination unit includes:
a calculating subunit, configured to assign corresponding weights to the pixel density unit, the picture quality data, and the viewing distance, respectively, and calculate a product of the pixel density unit, the picture quality data, and the viewing distance and their respective weights, respectively; calculating the sum of the products;
and a second selecting subunit, configured to determine a sample ratio corresponding to the summation as the display ratio.
5. The display processing apparatus according to any one of claims 1 to 4, wherein the determination module includes:
a first determining unit, configured to determine, as the viewing distance, an average value of distances between all users and the display device when there are a plurality of users currently viewing the display device;
and/or the presence of a gas in the atmosphere,
the determining module comprises:
a second determination unit configured to acquire an image of each user when a plurality of users currently viewing the display device are present; determining a user category corresponding to each user based on the acquired images;
a third determining unit, configured to determine, based on the determined user category, a matching degree of each user with the video; and determining the distance between the user with the highest matching degree and the display equipment as the viewing distance.
6. The display processing apparatus according to any one of claims 1 to 4, characterized in that the display processing apparatus further includes:
and the control module is used for controlling the display equipment to display the video frame of the video according to the display proportion.
7. The display processing apparatus according to claim 6, wherein the control module comprises:
and the control unit is used for setting a target display area in the screen of the display equipment based on the display proportion and displaying the video frame of the video in the target display area.
8. A display system, characterized in that the display system comprises: a display device and the display processing device of any one of claims 1-7;
and the display equipment is used for displaying the video frame of the video according to the display proportion determined by the display processing equipment for the current video to be played.
9. A display processing method, characterized in that the method comprises:
acquiring picture quality data of a video to be played currently by a display device;
determining a viewing distance of a user currently viewing the display device;
determining a display scale required by the display device to display a video frame of the video based on the picture quality data, the viewing distance, a current screen resolution and a screen size of the display device.
10. A computer-readable storage medium, characterized in that the storage medium includes a stored program, wherein when the program runs, the apparatus on which the storage medium is located is controlled to execute the display processing method according to claim 9.
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