CN116795212B - Control method of plasma display screen - Google Patents
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- 238000012545 processing Methods 0.000 claims description 40
- 238000013136 deep learning model Methods 0.000 claims description 6
- 238000013507 mapping Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000012937 correction Methods 0.000 claims description 4
- 230000003993 interaction Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 10
- 210000000746 body region Anatomy 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 4
- 210000001747 pupil Anatomy 0.000 description 4
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/013—Eye tracking input arrangements
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
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- G—PHYSICS
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- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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Abstract
The invention discloses a control method of a plasma display screen, which comprises the following steps: determining the number of users in a preset distance in front of a plasma display screen; when the number of users is 1, acquiring first eye images of target users in real time, determining a first gazing area according to the first eye images and waking up; the first gazing area is in a content display area of the plasma display screen; waking up an icon display area of the plasma display screen; collecting a second human eye image of a target user within a preset time period, and determining a second gazing area according to the second human eye image; the second gazing area is in an icon display area of the plasma display screen; determining an icon corresponding to the second gazing area, determining content to be displayed according to the icon, and displaying the content to be displayed in the first gazing area. The remote control of the plasma display screen by the user is realized, the intelligence of man-machine interaction is improved, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of display control, in particular to a control method of a plasma display screen.
Background
Along with the development of technology, people pay more attention to energy conservation and display intelligence when using a plasma display screen. In the prior art, when a user uses a plasma display screen, the user needs to wake up the display screen through physical keys, which causes trouble to the user. When the user needs to view the related content briefly, the related content is displayed through the local screen for energy saving, but when the related content is displayed based on the local screen, the related operation including touch sensing, forming a display area and the like is required to be performed on the display screen by the user. However, the method is still unfavorable for user operation, and the intelligent of man-machine interaction is not high.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the technical problems in the above-described technology. Therefore, the invention aims to provide a control method of the plasma display screen, which can remotely control the plasma display screen by a user, improve the intelligence of man-machine interaction and improve the user experience.
To achieve the above objective, an embodiment of the present invention provides a method for controlling a plasma display panel, including:
determining the number of users in a preset distance in front of a plasma display screen;
when the number of users is 1, acquiring first eye images of target users in real time, determining a first gazing area according to the first eye images and waking up; the first gazing area is in a content display area of the plasma display screen;
waking up an icon display area of the plasma display screen;
collecting a second human eye image of a target user within a preset time period, and determining a second gazing area according to the second human eye image; the second gazing area is in an icon display area of the plasma display screen;
determining an icon corresponding to the second gazing area, determining content to be displayed according to the icon, and displaying the content to be displayed in the first gazing area.
According to some embodiments of the present invention, determining the number of users within a preset distance in front of a plasma display panel includes:
acquiring a scene image in a preset distance in front of a plasma display screen;
performing depth processing on the scene image to obtain a depth image and a color image;
inputting the color image into a pre-trained deep learning model, and outputting a human body area included in the color image;
determining a target area corresponding to the human body area in the depth image;
and identifying according to the target area, and determining the number of human bodies in a preset distance in front of the plasma display screen as the number of users.
According to some embodiments of the invention, determining a first gaze area from the first eye image comprises:
determining an eye gaze point of a target user according to the first eye image;
and determining a first gazing area according to the eye gazing point and a preset area rule.
According to some embodiments of the invention, determining an eye gaze point of a target user from the first eye image comprises:
determining pixel values of all pixel points in a plurality of first human eye images, taking the pixel values of the pixel points at the same position as first sets, carrying out gradient processing on each first set, determining a first gradient value of each first set, screening out the pixel point corresponding to the first gradient value with the maximum value, and taking the pixel point as a first target pixel point;
performing inversion processing on the plurality of first eye images to obtain a plurality of inverted first eye images, determining pixel values of all pixel points in the plurality of inverted first eye images, taking the pixel values of the pixel points at the same position as second sets, performing gradient processing on each second set, determining second gradient values of each second set, screening out pixel points corresponding to the largest second gradient values, and taking the pixel points as second target pixel points;
determining a first coordinate of a first target pixel point and a second coordinate of a second target pixel point;
and determining coordinate information of the eye gaze point of the target user according to the first coordinate, the second coordinate and a preset mapping relation.
According to some embodiments of the invention, further comprising:
when the number of the users is determined to be more than 1 and less than the preset number, determining a third gazing area of each target user; the third gazing area is in the content display area of the plasma display screen;
determining a fourth gazing area of each target user, wherein the fourth gazing area is in an icon display area of the plasma display screen;
determining corresponding target content according to the fourth gazing area;
and displaying the target content in the corresponding third gazing area.
According to some embodiments of the invention, further comprising:
when the number of the users is determined to be more than or equal to the preset number, waking up a content display area and an icon display area of the plasma display screen;
and receiving an input instruction of a user, determining a target icon in the icon display area according to the input instruction, and displaying the content corresponding to the target icon in the content display area.
According to some embodiments of the invention, the content to be displayed is displayed in a first viewing area, including:
acquiring a first resolution of content to be displayed and a second resolution of a first gazing area;
determining scaling information according to the first resolution and the second resolution;
performing scaling treatment on the content to be displayed according to the scaling information to obtain a treatment result;
determining weight parameters and pixel values among all pixel points before the scaling treatment of the content to be displayed;
determining an influence factor of the scaling process on the weight parameters, and correcting the weight parameters according to the influence factor to obtain corrected weight parameters;
and processing all the processing pixel points in the processing result based on the correction weight parameters and the pixel values among the pixel points to obtain target processing pixel points and corresponding target pixel values, and displaying in the first gazing area based on the target processing pixel points and the corresponding target pixel values.
According to some embodiments of the invention, before displaying the content to be displayed in the first viewing area, the method further includes:
judging whether the content to be displayed is a dynamic image or not;
when the content to be displayed is determined to be a dynamic image, acquiring the refresh rate of the plasma display screen, and judging whether the refresh rate is larger than a preset threshold value or not;
when the refresh rate is determined to be larger than a preset threshold value, determining a display time axis of the content to be displayed and each node on the display time axis, and reducing the time interval of each node to obtain a corrected display time axis;
and displaying the content to be displayed in the first gazing area according to the corrected display time axis.
According to some embodiments of the invention, before displaying the content to be displayed in the first viewing area, the method further includes:
detecting ambient light data of an environment in which the plasma display screen is located;
and determining a light compensation parameter according to the ambient light data, and enabling the first gazing area of the plasma display screen to emit compensation light based on the light compensation parameter.
According to some embodiments of the invention, after displaying the content to be displayed in the first viewing area, the method further includes:
collecting a third human eye image of the target user;
determining an eye gaze point of the target user according to the third eye image;
and when the fact that the target user does not watch the first watching area reaches the preset duration is determined according to the eye watching point, enabling the first watching area to enter a dormant state.
The invention provides a control method of a plasma display screen, which is used for judging which control strategy is selected according to the number of users in a preset distance in front of the plasma display screen, whether full screen display, a certain gazing area display or a plurality of gazing areas display. Icons corresponding to the first gazing area and the second gazing area are determined based on the first eye image and the second eye image of the target user, further, the content to be displayed is determined according to the icons, and the content to be displayed is displayed in the first gazing area. The control intention of the user is judged based on the gaze point of the user identification, the control of the plasma display screen by the user is realized in a long distance, the intelligence of man-machine interaction is improved, and the user experience is improved. Meanwhile, based on local display, energy saving is realized, and full-screen display is avoided when a user only has a simple viewing intention.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a flowchart of a control method of a plasma display panel according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of determining the number of users within a predetermined distance in front of a plasma display panel according to one embodiment of the invention;
fig. 3 is a flowchart of a method of determining a first gaze area from the first eye image, according to one embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
As shown in fig. 1, an embodiment of the present invention provides a control method for a plasma display panel, including steps S1 to S5:
s1, determining the number of users in a preset distance in front of a plasma display screen;
s2, when the number of users is determined to be 1, acquiring a first eye image of a target user in real time, determining a first gazing area according to the first eye image, and waking up; the first gazing area is in a content display area of the plasma display screen;
s3, waking up an icon display area of the plasma display screen;
s4, acquiring a second human eye image of the target user within a preset time period, and determining a second gazing area according to the second human eye image; the second gazing area is in an icon display area of the plasma display screen;
s5, determining an icon corresponding to the second gazing area, determining content to be displayed according to the icon, and displaying the content to be displayed in the first gazing area.
The working principle of the technical scheme is as follows: in this embodiment, the plasma display panel includes a content display area and an icon display area. The area of the content display area is larger than the area of the icon display area. The content display area is used for displaying the content to be displayed corresponding to the icon included in the icon display area.
In this embodiment, the first viewing area is smaller in area than the content display area, being a partial area thereof. The first gazing area is a determined area which is convenient to watch according to the watching habit and watching comfort of the user and is a specific area suitable for the user.
In this embodiment, the icon display area of the plasma display screen is woken up after the first gazing area is woken up, so as to realize reliability and energy saving of the system.
In this embodiment, the preset time period is 1min, and setting may be performed.
In this embodiment, the second eye image of the target user in the preset time period is collected again, on one hand, it is convenient to determine whether the user has an intention to view the related content, and in the determined preset time period, the gazing area of the target user is not in the icon display area of the plasma display screen, which means that the user can only gaze the content display area of the plasma display screen, but does not have an intention to view the related content, and at this time, the first gazing area and the icon display area need to be controlled to enter the dormant state, so that error control is avoided. On the other hand, determining a second gaze region from the second eye image; the second gazing area is in the icon display area of the plasma display screen and indicates that the user does have the intention of watching the related content, so that the next instruction can be conveniently executed, and the accuracy and the reliability of system control are improved.
In this embodiment, the icons are corresponding data identifications.
In this embodiment, the content to be displayed includes an image and a video display.
The beneficial effects of the technical scheme are that: and judging which control strategy is selected according to the number of users in a preset distance in front of the plasma display screen, whether the control strategy is displayed in a full screen mode, a certain gazing area mode or a plurality of gazing areas mode. Icons corresponding to the first gazing area and the second gazing area are determined based on the first eye image and the second eye image of the target user, further, the content to be displayed is determined according to the icons, and the content to be displayed is displayed in the first gazing area. The control intention of the user is judged based on the gaze point of the user identification, the control of the plasma display screen by the user is realized in a long distance, the intelligence of man-machine interaction is improved, and the user experience is improved. Meanwhile, based on local display, energy saving is realized, and full-screen display is avoided when a user only has a simple viewing intention.
As shown in fig. 2, according to some embodiments of the present invention, determining the number of users within a preset distance in front of a plasma display panel includes steps S11-S15:
s11, acquiring a scene image in a preset distance in front of a plasma display screen;
s12, performing depth processing on the scene image to obtain a depth image and a color image;
s13, inputting the color image into a pre-trained deep learning model, and outputting a human body region included in the color image;
s14, determining a target area corresponding to the human body area in the depth image;
s15, identifying according to the target area, and determining the number of human bodies in a preset distance in front of the plasma display screen as the number of users.
The working principle of the technical scheme is as follows: in this embodiment, the scene image includes a scene and a user.
In this embodiment, the deep learning model is composed of a convolutional layer network, a region extraction network, and a region classification network. The human body region included in the color image can be output through human body detection based on the deep learning model.
In this embodiment, the depth image and the color image are obtained by performing depth processing on the scene image. When the depth image and the color image include the same content, the representation forms are different. The human body region corresponds to the target region.
The beneficial effects of the technical scheme are that: the human body region is accurately determined based on the deep learning model, then the target region in the depth image is determined, recognition is performed based on the target region, and recognition errors caused when overlapping human bodies exist in the color image are avoided. Based on the target area in the depth image, the overlapped users are distinguished, so that the situation of overlapping human bodies can be conveniently identified, the identification accuracy is improved, and the accuracy of the determined number of users is ensured.
As shown in fig. 3, according to some embodiments of the present invention, determining a first gaze area from the first eye image includes steps S21-S22:
s21, determining an eye gaze point of a target user according to the first eye image;
s22, determining a first gazing area according to the eye gazing point and a preset area rule.
The working principle of the technical scheme is as follows: in this embodiment, the preset region rule is a rectangular frame with a length a and a width B, which is determined with the eye gaze point as the center.
The beneficial effects of the technical scheme are that: and determining the eye gaze point of the target user according to the first eye image, and determining a first gaze area according to the eye gaze point and a preset area rule, so as to conveniently determine a local area of the content display area for displaying related content.
According to some embodiments of the invention, determining an eye gaze point of a target user from the first eye image comprises:
determining pixel values of all pixel points in a plurality of first human eye images, taking the pixel values of the pixel points at the same position as first sets, carrying out gradient processing on each first set, determining a first gradient value of each first set, screening out the pixel point corresponding to the first gradient value with the maximum value, and taking the pixel point as a first target pixel point;
performing inversion processing on the plurality of first eye images to obtain a plurality of inverted first eye images, determining pixel values of all pixel points in the plurality of inverted first eye images, taking the pixel values of the pixel points at the same position as second sets, performing gradient processing on each second set, determining second gradient values of each second set, screening out pixel points corresponding to the largest second gradient values, and taking the pixel points as second target pixel points;
determining a first coordinate of a first target pixel point and a second coordinate of a second target pixel point;
and determining coordinate information of the eye gaze point of the target user according to the first coordinate, the second coordinate and a preset mapping relation.
The working principle of the technical scheme is as follows: in this embodiment, the pixel values of the pixel points at the same position in each first human eye image are taken as the first set.
In this embodiment, gradient processing is performed on each first set based on a gradient algorithm, and a maximum variation value of each pixel point is determined.
In this embodiment, the first target pixel point is a pupil point.
In this embodiment, the first eye image is an eye image obtained by detecting the eyes of the target user in real time based on an infrared camera, that is, an eye image having a flare in the pupil.
In this embodiment, the negation process is to negate the image pixel by pixel to achieve a photographic negative-like effect. The negated image is "black-and-white reversed" from the original image, and the condition of the gray-black area in the original image can be seen clearly.
In this embodiment, gradient processing is performed on each second set based on a gradient algorithm, and a maximum variation value of each pixel point is determined.
In this embodiment, the second target pixel is a light spot.
In this embodiment, the preset mapping relationship is a relationship between the coordinates of the pupil point and the coordinates of the light spot, which are determined based on the sample human eye image, and the eye gaze point.
The preset mapping relation is established by using a pupil-cornea vector reflection method based on the coordinates of the pupil points and the coordinates of the light spots determined by the sample human eye image.
The beneficial effects of the technical scheme are that: determining a first coordinate of a first target pixel point and a second coordinate of a second target pixel point; and accurately determining the coordinate information of the eye gaze point of the target user according to the first coordinate, the second coordinate and the preset mapping relation.
According to some embodiments of the invention, further comprising:
when the number of the users is determined to be more than 1 and less than the preset number, determining a third gazing area of each target user; the third gazing area is in the content display area of the plasma display screen;
determining a fourth gazing area of each target user, wherein the fourth gazing area is in an icon display area of the plasma display screen;
determining corresponding target content according to the fourth gazing area;
and displaying the target content in the corresponding third gazing area.
The working principle of the technical scheme is as follows: in this embodiment, the preset number is an integer of 3 or more.
In this embodiment, the method for determining the third gaze area is identical to the method for determining the first gaze area, which is not described here again.
In this embodiment, the method for determining the fourth gaze area is identical to the method for determining the second gaze area, and will not be described here again.
The beneficial effects of the technical scheme are that: the method is convenient for multiple people to view the content required to be viewed by each person at the same time, and improves viewing efficiency.
According to some embodiments of the invention, further comprising:
when the number of the users is determined to be more than or equal to the preset number, waking up a content display area and an icon display area of the plasma display screen;
and receiving an input instruction of a user, determining a target icon in the icon display area according to the input instruction, and displaying the content corresponding to the target icon in the content display area.
The working principle of the technical scheme is as follows: in this embodiment, the input instruction includes a voice input or the like to realize unified instruction input.
The beneficial effects of the technical scheme are that: and when the number of the users is larger than or equal to the preset number, a control strategy for waking up the content display area and the icon display area of the plasma display screen is realized, and the same content is conveniently watched by multiple people based on full screen display.
According to some embodiments of the invention, the content to be displayed is displayed in a first viewing area, including:
acquiring a first resolution of content to be displayed and a second resolution of a first gazing area;
determining scaling information according to the first resolution and the second resolution;
performing scaling treatment on the content to be displayed according to the scaling information to obtain a treatment result;
determining weight parameters and pixel values among all pixel points before the scaling treatment of the content to be displayed;
determining an influence factor of the scaling process on the weight parameters, and correcting the weight parameters according to the influence factor to obtain corrected weight parameters;
and processing all the processing pixel points in the processing result based on the correction weight parameters and the pixel values among the pixel points to obtain target processing pixel points and corresponding target pixel values, and displaying in the first gazing area based on the target processing pixel points and the corresponding target pixel values.
The working principle of the technical scheme is as follows: in this embodiment, the content to be displayed is scaled according to the scaling information, so as to obtain a processing result, so that a corresponding position of a pixel point of the scaled image in the corresponding content to be displayed is conveniently determined.
In the embodiment, the weight parameters are corrected based on the influence factors of the scaling processing on the weight parameters, so as to obtain corrected weight parameters; and processing all the processing pixel points in the processing result based on the correction weight parameters and the pixel values among the pixel points to obtain target processing pixel points and corresponding target pixel values. Based on the target processing pixel point, the corresponding target pixel value and the corresponding position, accurate display is realized.
The beneficial effects of the technical scheme are that: and when the corresponding content is displayed based on the local area, scaling processing is performed, so that the display accuracy is ensured. And determining the target processing pixel point, the corresponding target pixel value and the corresponding position before display, and realizing accurate display. In the zooming process, the details of the content to be displayed are reserved to the greatest extent, and the display accuracy is improved.
According to some embodiments of the invention, before displaying the content to be displayed in the first viewing area, the method further includes:
judging whether the content to be displayed is a dynamic image or not;
when the content to be displayed is determined to be a dynamic image, acquiring the refresh rate of the plasma display screen, and judging whether the refresh rate is larger than a preset threshold value or not;
when the refresh rate is determined to be larger than a preset threshold value, determining a display time axis of the content to be displayed and each node on the display time axis, and reducing the time interval of each node to obtain a corrected display time axis;
and displaying the content to be displayed in the first gazing area according to the corrected display time axis.
The beneficial effects of the technical scheme are that: and the display time axis is the refresh period of each frame of image in the content to be displayed when the display screen is at the target refresh rate. When the dynamic image is displayed, when the dynamic image is intense, crosstalk of front and rear frame images causes blurring of object images, and based on reducing time intervals of all nodes on a display time axis, compression processing is realized, so that the technical problem of image display crosstalk is avoided.
According to some embodiments of the invention, before displaying the content to be displayed in the first viewing area, the method further includes:
detecting ambient light data of an environment in which the plasma display screen is located;
and determining a light compensation parameter according to the ambient light data, and enabling the first gazing area of the plasma display screen to emit compensation light based on the light compensation parameter.
The technical scheme has the working principle and beneficial effects that: detecting ambient light data of an environment in which the plasma display screen is located; and determining a light compensation parameter according to the ambient light data, and enabling the first gazing area of the plasma display screen to emit compensation light based on the light compensation parameter. The user may see the content displayed on the first viewing area of the display screen in a manner that facilitates counteracting the flickering ambient light.
According to some embodiments of the invention, after displaying the content to be displayed in the first viewing area, the method further includes:
collecting a third human eye image of the target user;
determining an eye gaze point of the target user according to the third eye image;
and when the fact that the target user does not watch the first watching area reaches the preset duration is determined according to the eye watching point, enabling the first watching area to enter a dormant state.
The technical scheme has the working principle and beneficial effects that: collecting a third human eye image of the target user; determining an eye gaze point of the target user according to the third eye image; and when the fact that the target user does not watch the first watching area reaches the preset duration is determined according to the eye watching point, enabling the first watching area to enter a dormant state. When the user does not use, the first gazing area is enabled to enter a dormant state, automatic control is achieved, and energy sources are saved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. A control method of a plasma display panel, comprising:
determining the number of users in a preset distance in front of a plasma display screen;
when the number of users is 1, acquiring first eye images of target users in real time, determining a first gazing area according to the first eye images and waking up; the first gazing area is in a content display area of the plasma display screen;
waking up an icon display area of the plasma display screen; the plasma display screen comprises a content display area and an icon display area; the area of the content display area is larger than that of the icon display area; the content display area is used for displaying the content to be displayed corresponding to the icon included in the icon display area;
collecting a second human eye image of a target user within a preset time period, and determining a second gazing area according to the second human eye image; the second gazing area is in an icon display area of the plasma display screen;
determining an icon corresponding to a second gazing area, determining content to be displayed according to the icon, and displaying the content to be displayed in the first gazing area;
determining a first gaze region from the first eye image, comprising:
determining an eye gaze point of a target user according to the first eye image;
determining a first gazing area according to the eye gazing point and a preset area rule;
determining an eye gaze point of a target user from the first eye image, comprising:
determining pixel values of all pixel points in a plurality of first human eye images, taking the pixel values of the pixel points at the same position as first sets, carrying out gradient processing on each first set, determining a first gradient value of each first set, screening out the pixel point corresponding to the first gradient value with the maximum value, and taking the pixel point as a first target pixel point;
performing inversion processing on the plurality of first eye images to obtain a plurality of inverted first eye images, determining pixel values of all pixel points in the plurality of inverted first eye images, taking the pixel values of the pixel points at the same position as second sets, performing gradient processing on each second set, determining second gradient values of each second set, screening out pixel points corresponding to the largest second gradient values, and taking the pixel points as second target pixel points;
determining a first coordinate of a first target pixel point and a second coordinate of a second target pixel point;
according to the first coordinate, the second coordinate and a preset mapping relation, determining coordinate information of an eye gaze point of a target user;
the content to be displayed is displayed in a first gazing area, and the method comprises the following steps:
acquiring a first resolution of content to be displayed and a second resolution of a first gazing area;
determining scaling information according to the first resolution and the second resolution;
performing scaling treatment on the content to be displayed according to the scaling information to obtain a treatment result;
determining weight parameters and pixel values among all pixel points before the scaling treatment of the content to be displayed;
determining an influence factor of the scaling process on the weight parameters, and correcting the weight parameters according to the influence factor to obtain corrected weight parameters;
and processing all the processing pixel points in the processing result based on the correction weight parameters and the pixel values among the pixel points to obtain target processing pixel points and corresponding target pixel values, and displaying in the first gazing area based on the target processing pixel points and the corresponding target pixel values.
2. The method for controlling a plasma display panel according to claim 1, wherein determining the number of users within a preset distance in front of the plasma display panel comprises:
acquiring a scene image in a preset distance in front of a plasma display screen;
performing depth processing on the scene image to obtain a depth image and a color image;
inputting the color image into a pre-trained deep learning model, and outputting a human body area included in the color image;
determining a target area corresponding to the human body area in the depth image;
and identifying according to the target area, and determining the number of human bodies in a preset distance in front of the plasma display screen as the number of users.
3. The method of controlling a plasma display panel according to claim 1, further comprising:
when the number of the users is determined to be more than 1 and less than the preset number, determining a third gazing area of each target user; the third gazing area is in the content display area of the plasma display screen;
determining a fourth gazing area of each target user, wherein the fourth gazing area is in an icon display area of the plasma display screen;
determining corresponding target content according to the fourth gazing area;
and displaying the target content in the corresponding third gazing area.
4. The method of controlling a plasma display panel according to claim 1, further comprising:
when the number of the users is determined to be more than or equal to the preset number, waking up a content display area and an icon display area of the plasma display screen;
and receiving an input instruction of a user, determining a target icon in the icon display area according to the input instruction, and displaying the content corresponding to the target icon in the content display area.
5. The method for controlling a plasma display panel according to claim 1, further comprising, before displaying the content to be displayed in the first viewing area:
judging whether the content to be displayed is a dynamic image or not;
when the content to be displayed is determined to be a dynamic image, acquiring the refresh rate of the plasma display screen, and judging whether the refresh rate is larger than a preset threshold value or not;
when the refresh rate is determined to be larger than a preset threshold value, determining a display time axis of the content to be displayed and each node on the display time axis, and reducing the time interval of each node to obtain a corrected display time axis;
and displaying the content to be displayed in the first gazing area according to the corrected display time axis.
6. The method for controlling a plasma display panel according to claim 1, further comprising, before displaying the content to be displayed in the first viewing area:
detecting ambient light data of an environment in which the plasma display screen is located;
and determining a light compensation parameter according to the ambient light data, and enabling the first gazing area of the plasma display screen to emit compensation light based on the light compensation parameter.
7. The method for controlling a plasma display panel according to claim 1, further comprising, after displaying the content to be displayed in the first viewing area:
collecting a third human eye image of the target user;
determining an eye gaze point of the target user according to the third eye image;
and when the fact that the target user does not watch the first watching area reaches the preset duration is determined according to the eye watching point, enabling the first watching area to enter a dormant state.
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