Interactive method and system for adjusting television watching distance
阅读说明：本技术 一种调整电视观看距离的交互方法及系统 (Interactive method and system for adjusting television watching distance ) 是由 吴英平 于 2019-04-16 设计创作，主要内容包括：本发明涉及智能电视技术领域,公开了一种调整电视观看距离的交互方法,所述方法包括：获取一电视前方的当前画面,并将所述当前画面显示在所述电视上；对所述当前画面中的一预设中心区域内的主体进行识别,并获取所述主体与电视的距离；根据所述电视的尺寸对应的最佳观看距离范围,以及当所述主体与电视的距离不在所述最佳观看距离范围内时,则在所述当前画面中显示一推荐的观看距离区域,并提示将所述主体置于所述推荐的观看距离区域内。本发明还相应地公开一种调整电视观看距离的交互系统。根据本发明,实现了以直观、简单的交互方式引导用户将电视观看距离调整至最佳观看距离范围内。(The invention relates to the technical field of intelligent televisions and discloses an interaction method for adjusting a television watching distance, which comprises the following steps: acquiring a current picture in front of a television, and displaying the current picture on the television; identifying a main body in a preset central area in the current picture, and acquiring the distance between the main body and a television; and displaying a recommended viewing distance area in the current picture according to the optimal viewing distance range corresponding to the size of the television and when the distance between the main body and the television is not within the optimal viewing distance range, and prompting to place the main body in the recommended viewing distance area. The invention also correspondingly discloses an interactive system for adjusting the television watching distance. According to the invention, the user is guided to adjust the television viewing distance to the optimal viewing distance range in an intuitive and simple interactive mode.)
1. An interactive method for adjusting a viewing distance of a television, the method comprising:
s1, acquiring a current picture in front of a television, and displaying the current picture on the television;
s2, identifying a main body in a preset central area in the current picture, and acquiring the distance between the main body and a television;
s3, displaying a recommended viewing distance area in the current picture according to the optimal viewing distance range corresponding to the size of the television, and when the distance between the main body and the television is not within the optimal viewing distance range, prompting to place the main body in the recommended viewing distance area.
2. The interactive method for adjusting tv viewing distance according to claim 1, further comprising, before the step S1:
and starting an option for adjusting the television viewing distance on the management page of the television.
3. The interactive method for adjusting television viewing distance according to claim 2, wherein said step S1 comprises:
shooting the front of the television through a 3D camera, acquiring a current picture in front of the television, and displaying the current picture on the television.
4. The interactive method for adjusting television viewing distance according to claim 3, wherein the setting of the center area in the step S2 includes:
and setting the range of the central area according to the size of the current picture and a preset proportion.
5. The interactive method for adjusting television viewing distance according to claim 3, wherein the setting of the center area in the step S2 includes:
setting a parameter option of the size of the central area on a management interface of the television;
determining the range of the central area according to parameters set by a user.
6. The interactive method for adjusting television viewing distance according to claim 3, wherein the step of identifying the subject in step S2 further comprises:
if a plurality of main bodies are identified in the central area, acquiring the corresponding main bodies according to a preset main body selection rule;
wherein the subject selection rule comprises:
when the plurality of subjects include a person and an object, selecting the person as a corresponding subject;
when the main body is a plurality of persons, selecting the person closest to the central point of the central area as the corresponding main body;
and when the plurality of subjects are a plurality of objects, selecting the object closest to the central point of the central area as the corresponding subject.
7. The interactive method for adjusting television viewing distance according to claim 3, wherein the step of obtaining the distance between the main body and the television in step S2 comprises:
according to the acquisition method of the depth image, acquiring position information and depth information of the main body;
and calculating the distance between the main body and the television according to the position information and the depth information of the main body.
8. The interactive method for adjusting television viewing distance according to claim 3, wherein said step S3 comprises:
marking the main body in the current picture by using a mark graph;
displaying a recommended viewing distance area in the current picture according to the optimal viewing distance range, and prompting that the main body of the sign is placed in the recommended viewing distance area;
wherein, the lower edge of the frame of the recommended viewing distance region is the depth position of the minimum value of the optimal viewing distance in the current picture, and the upper edge of the frame of the recommended viewing distance region is the depth position of the maximum value of the optimal viewing distance in the current picture.
9. The interactive method for adjusting tv viewing distance according to claim 8, further comprising, after the step S3:
when the position of the main body is adjusted, acquiring real-time position information and depth information of the main body;
calculating the real-time distance between the main body and a television according to the real-time position information and the depth information;
and when the real-time distance is in the recommended watching distance area, outputting reminding information for reminding that the distance between the main body and the television is in the recommended watching distance area.
10. An interactive system for adjusting television viewing distance, the system comprising:
the acquisition module is used for acquiring a current picture in front of a television and displaying the current picture on the television;
the calculation module is used for identifying a main body in a preset central area in the current picture and acquiring the distance between the main body and the television;
and the adjusting module is used for displaying a recommended watching distance area in the current picture and prompting that the main body is placed in the recommended watching distance area according to the optimal watching distance range corresponding to the size of the television and when the distance between the main body and the television is not within the optimal watching distance range.
Technical Field
The invention relates to the technical field of intelligent televisions, in particular to an interaction method and system for adjusting television watching distance.
Background
With the development of science and technology and the improvement of the living standard of people, watching television becomes an important entertainment activity of people's life. Due to the variety of television programs and applications, many users prefer to use and watch television for long periods of time. If the user does not keep a proper viewing distance with the television, the user is prone to visual fatigue if the viewing distance is too close, and the radiation of the television set can cause harm to the user's body. If the watching distance is too far away, the user cannot see the picture clearly, and the visual experience of watching the television is poor.
At present, there are corresponding technical solutions for reminding the viewing distance of the tv, for example, the patent application with publication number CN 106921879A: a method and a system for reminding a watching distance of an intelligent television are provided, wherein the method comprises the following steps: when the intelligent television is started, the distance between a shelter in front of the intelligent television and the intelligent television is detected through a pre-configured laser sensor, the distance range of the shelter is searched in a preset distance corresponding table according to the size of the intelligent television and the distance, and the corresponding watching effect is determined according to the distance range to carry out corresponding reminding. The scheme has the disadvantages that when the distance from the user to the television is not in the optimal viewing distance range, the user is reminded to adjust the viewing distance, the reminding is not intuitive for the user, the user needs to estimate the adjustment distance by himself to adjust the viewing distance, even if the adjustment is not successful once, the adjustment for two times or more times can be involved, the interaction mode of the reminding is obviously not intuitive and good, and the user experience is not good.
Therefore, there is a need to provide a more intuitive and convenient interactive scheme for adjusting the viewing distance of the tv, so as to guide the user to adjust the viewing distance of the tv to the optimal viewing distance range, thereby overcoming the limitations of the prior art.
Disclosure of Invention
The invention aims to provide an interactive method and an interactive system for adjusting a television viewing distance, which can guide a user to adjust the television viewing distance to be within an optimal viewing distance range in a visual and simple interactive mode.
In order to achieve the above object, the present invention provides an interactive method for adjusting a viewing distance of a television, the method comprising: acquiring a current picture in front of a television, and displaying the current picture on the television; identifying a main body in a preset central area in the current picture, and acquiring the distance between the main body and a television; and displaying a recommended viewing distance area in the current picture according to the optimal viewing distance range corresponding to the size of the television and when the distance between the main body and the television is not within the optimal viewing distance range, and prompting to place the main body in the recommended viewing distance area. Based on the technical scheme, the method and the device can guide the user to adjust the television watching distance to the optimal watching distance range in an intuitive and simple interactive mode.
Optionally, before the step S1, the method further includes: and starting an option for adjusting the television viewing distance on the management page of the television. The user selects whether to start the option according to the requirement of the user, thereby bringing convenience to the user.
Optionally, the step S1 includes: shooting the front of the television through a 3D camera, acquiring a current picture in front of the television, and displaying the current picture on the television. The depth information is acquired by using the 3D camera, so that the recommended viewing distance area can be displayed on the television very intuitively.
Optionally, the setting of the central area in step S2 includes: and setting the range of the central area according to the size of the current picture and a preset proportion. The setting of the central area in the step S2 includes: setting a parameter option of the size of the central area on a management interface of the television; determining the range of the central area according to parameters set by a user.
Optionally, the step of identifying the subject in step S2 further includes: if a plurality of main bodies are identified in the central area, acquiring the corresponding main bodies according to a preset main body selection rule; wherein the subject selection rule comprises: when the plurality of subjects include a person and an object, selecting the person as a corresponding subject; when the main body is a plurality of persons, selecting the person closest to the central point of the central area as the corresponding main body; and when the plurality of subjects are a plurality of objects, selecting the object closest to the central point of the central area as the corresponding subject. According to the technical scheme, the judgment of the watching subjects is not limited to people, and can be objects, and when a plurality of subjects exist, one subject can be intelligently selected to serve as the basis for adjusting the television watching distance.
Optionally, the step of obtaining the distance between the main body and the television in step S2 includes: according to the acquisition method of the depth image, acquiring position information and depth information of the main body; and calculating the distance between the main body and the television according to the position information and the depth information of the main body. By utilizing the depth information, the recommended watching distance area can be displayed on the television very intuitively, so that the user can adjust the distance very intuitively, and the user experience effect is improved.
Optionally, the step S3 includes: marking the main body with a mark graph in the current picture; displaying a recommended viewing distance area in the current picture according to the optimal viewing distance range, and prompting that the main body of the sign is placed in the recommended viewing distance area; the lower edge of the frame of the recommended viewing distance region is the depth position of the minimum value of the optimal viewing distance in the picture, and the upper edge of the frame of the recommended viewing distance region is the depth position of the maximum value of the optimal viewing distance in the picture. After the step S3, the method further includes: when the position of the main body is adjusted, acquiring real-time position information and depth information of the main body; calculating the real-time distance between the main body and a television according to the real-time position information and the depth information; and when the real-time distance is in the recommended watching distance area, outputting reminding information for reminding that the distance between the main body and the television is in the recommended watching distance area. According to the technical scheme, the recommended watching distance area can be displayed on the television very intuitively, so that the user can adjust the distance very intuitively, and the user experience effect is improved.
To achieve the above object, the present invention provides an interactive system for adjusting a viewing distance of a television, the system comprising: the acquisition module is used for acquiring a current picture in front of a television and displaying the current picture on the television; the calculation module is used for identifying a main body in a preset central area in the current picture and acquiring the distance between the main body and the television; and the adjusting module is used for displaying a recommended watching distance area in the current picture and prompting that the main body is placed in the recommended watching distance area according to the optimal watching distance range corresponding to the size of the television and when the distance between the main body and the television is not within the optimal watching distance range. Based on the technical scheme, the method and the device can guide the user to adjust the television watching distance to the optimal watching distance range in an intuitive and simple interactive mode.
Compared with the prior art, the interactive method and the interactive system for adjusting the television watching distance have the beneficial effects that: the method and the device have the advantages that the user is guided to adjust the television watching distance to the optimal watching distance range in a visual and simple interactive mode, so that the optimal television watching visual effect is obtained, and the television watching visual effect and the user experience are improved.
Drawings
FIG. 1 is a flow chart of an interactive method for adjusting a television viewing distance in one embodiment of the present invention.
Fig. 2 is a block diagram of an interactive system for adjusting a viewing distance of a tv according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Fig. 1 is a flowchart illustrating an interactive method for adjusting a viewing distance of a tv according to an embodiment of the present invention. As shown in the figure, the interactive method for adjusting the television viewing distance includes:
s1, acquiring a current picture in front of a television, and displaying the current picture on the television;
s2, identifying a main body in a preset central area in the current picture, and acquiring the distance between the main body and a television;
s3, displaying a recommended viewing distance area in the current picture according to the optimal viewing distance range corresponding to the size of the television, and when the distance between the main body and the television is not within the optimal viewing distance range, prompting to place the main body in the recommended viewing distance area.
Step S1 is: and acquiring a current picture in front of the television, and displaying the current user name on the television. The current picture in front of the television referred to herein means an image in front of the television that can be acquired by the image acquisition means, which can then form a picture on the television. For example, according to an embodiment of the present invention, a 3D camera photographs the front of the television, obtains a current picture in front of the television, and displays the current picture on the television. In an embodiment of the invention, the 3D camera is an externally mounted 3D camera. And data transmission can be carried out between the 3D camera and the television through a USB interface. The 3D camera can also carry out data transmission with the television through a wireless transmission channel. The 3D camera sends a shot current picture in front of the television to the television, and the television displays the current picture on the television after receiving the current picture. According to another embodiment of the present invention, the 3D camera is a 3D camera built in a television. And data transmission is carried out between the 3D camera and the television through a data interface. The 3D camera sends a shot current picture in front of the television to the television, and the television displays the current picture on the television after receiving the current picture. The depth information is acquired by using the 3D camera, so that the recommended viewing distance area can be displayed on the television very intuitively.
According to an embodiment of the present invention, before the step S1, the method further includes: and starting an option for adjusting the television viewing distance on the management page of the television. And setting a selection frame on the management page of the television, wherein the selection frame is used for selecting whether to start an option of adjusting the television viewing distance. The user can select whether to turn on or turn off the option of adjusting the viewing distance of the television as desired. When the user selects the option of closing the adjustment of the television viewing distance, the function is not in effect, and the television viewing distance of the user is not adjusted. When the user selects the option of starting the adjustment of the television viewing distance, the function takes effect to adjust the television viewing distance of the user. The implementation of the invention is just based on that the function of adjusting the television watching distance takes effect and starts to adjust the television watching distance, thereby improving the user experience. The user selects whether to start the option according to the requirement of the user, thereby bringing convenience to the user.
Step S2 is: and identifying a main body in a preset central area in the current picture, and acquiring the distance between the main body and the television. Specifically, the setting of the central region includes: and setting the range of the central area according to the size of the current picture and a preset proportion. For example, the central area is a rectangular area or a circular area, and in the current picture, the range of the rectangular area with the center point as the center as the central area is set according to a ratio value by taking the center of the current picture as the center point. According to another specific embodiment of the present invention, the range setting of the central area is customized according to the needs of the user, the management interface of the television has an option of setting a parameter of the size of the central area, and the range of the central area is determined according to the parameter set by the user.
Step S3 is: and carrying out image recognition on the central area in the current picture to obtain a main body in the preset central area. In the prior art, image recognition technology is relatively mature. The categories of the subject include a person and an object. Such as a person watching television. The object includes a sofa, a stool, etc.
According to an embodiment of the present invention, if a plurality of subjects are identified in the central area, the corresponding subjects are obtained according to a preset subject selection rule. The subject selection rule includes: when the plurality of subjects include a person and an object, selecting the person as a corresponding subject; when the main body is a plurality of persons, selecting the person closest to the central point of the central area as the corresponding main body; and when the plurality of subjects are a plurality of objects, selecting the object closest to the central point of the central area as the corresponding subject. According to the technical scheme, the judgment of the watching subjects is not limited to people, and can be objects, and when a plurality of subjects exist, one subject can be intelligently selected to serve as the basis for adjusting the television watching distance.
And shooting the front of the television by adopting a 3D camera to obtain a current picture in front of the television. The 3D camera comprises structured light, flight time and a binocular structure. Through the 3D structured light scheme of the 3D camera, the laser transmitter and the grating with a specific pattern are facilitated, and the current picture with depth information is obtained. In an embodiment of the present invention, the step of obtaining the distance between the main body and the television specifically includes: according to the acquisition method of the depth image, acquiring position information and depth information of the main body; and calculating the distance between the main body and the television according to the position information and the depth information of the main body. And when the main body is not at the same depth, taking the depth information of the bottom position of the main body as a calculation basis.
And displaying a recommended viewing distance area in the current picture according to the optimal viewing distance range corresponding to the current television size and when the distance between the main body and the television is not within the optimal viewing distance range, and prompting to place the main body in the recommended viewing distance area. Specifically, according to the definition of the television optimum viewing distance of the international radio council, which is three times the height of the television screen and the visual preference of the user, a correspondence table for setting the television size and the optimum viewing distance range is preset, such as 26 to 32 inches for 2.5 to 3 meters, 37 to 42 inches for 3.5 to 4 meters, 42 to 48 inches for 4 to 4.5 meters, 48 to 55 inches for 4.5 to 5 meters, and the like. For example, the screen size of the current television is acquired as 42 inches, and the optimal viewing distance range of the current television is 3.5 meters to 4 meters according to a preset correspondence table of the television size and the optimal viewing distance range. And judging whether the distance between the main body and the television is within the optimal viewing distance range, if so, displaying that the distance between the main body and the television is proper on the in-plane television interface, and prompting a user not to adjust the distance between the main body and the television. And if the distance between the main body and the television is not within the optimal viewing distance range, displaying a recommended viewing distance area in the current picture, and prompting to place the main body in the recommended viewing distance area. Specifically, the main body is marked out by a mark graph in the current picture, and a recommended viewing distance area is displayed in the current picture according to the optimal viewing distance range, and the main body of the mark is prompted to be placed in the recommended viewing distance area, wherein the lower edge of the frame of the recommended viewing distance area is the depth position where the minimum value of the optimal viewing distance is located in the current picture, and the upper edge of the frame of the recommended viewing distance area is the depth position where the maximum value of the optimal viewing distance is located in the current picture. For example, the main body is marked by a yellow rectangular frame in the current picture, and the recommended viewing distance area range is marked by a green rectangular area in the current picture, where the lower edge of the frame of the green rectangular area is the depth position where the minimum value of the optimal viewing distance is located in the picture, and the upper edge of the frame of the green rectangular area is the depth position where the maximum value of the optimal viewing distance is located in the picture. Simultaneously, a dialog box pops up in the current picture: the bottom position of the body is placed in the green rectangular area. Through the interactive mode, the user is guided in an intuitive way to adjust the distance from the main body to the television through moving, walking and other modes so as to enable the main body to be in the recommended watching distance area.
According to an embodiment of the present invention, after the step S3, the method further includes: when the position of the main body is adjusted, acquiring real-time position information and depth information of the main body; calculating the real-time distance between the main body and a television according to the real-time position information and the depth information; and when the real-time distance is in the recommended watching distance area, outputting reminding information for reminding that the distance between the main body and the television is in the recommended watching distance area, and finishing the adjustment of the distance between the main body and the television. By utilizing the depth information, the recommended watching distance area can be displayed on the television very intuitively, so that the user can adjust the distance very intuitively, and the user experience effect is improved.
According to an embodiment of the present invention, the method further comprises: and after the main body is in the recommended watching distance area, closing an option for adjusting the watching distance of the television on a management page of the television. After the user finishes the adjustment of the television watching distance according to the interactive mode, the option for adjusting the television watching distance is closed on the management interface of the television, and the user can start watching the television.
According to the technical scheme, the user is guided to adjust the television watching distance to the optimal watching distance range in an intuitive and simple interactive mode, so that the optimal television watching visual effect is obtained, and the television watching visual effect and the user experience are improved.
In another embodiment, as shown in fig. 2, the present invention further provides an interactive system for adjusting a viewing distance of a tv, the system comprising:
the
the
and the adjusting
The obtaining
The
According to an embodiment of the present invention, if a plurality of subjects are identified in the central area, the corresponding subjects are obtained according to a preset subject selection rule. The subject selection rule includes: when the plurality of subjects include a person and an object, selecting the person as a corresponding subject; when the main body is a plurality of persons, selecting the person closest to the central point of the central area as the corresponding main body; and when the plurality of subjects are a plurality of objects, selecting the object closest to the central point of the central area as the corresponding subject. According to the technical scheme, the judgment of the watching subjects is not limited to people, and can be objects, and when a plurality of subjects exist, one subject can be intelligently selected to serve as the basis for adjusting the television watching distance.
The adjusting
According to an embodiment of the present invention, in the adjusting
According to the technical scheme, the user is guided to adjust the television watching distance to the optimal watching distance range in an intuitive and simple interactive mode, so that the optimal television watching visual effect is obtained, and the television watching visual effect and the user experience are improved.
While the invention has been described in detail in the foregoing with reference to the drawings and examples, such illustration and description are to be considered illustrative or exemplary and not restrictive. The invention is not limited to the disclosed embodiments. In the claims, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" or "a particular plurality" should be understood to mean at least one or at least a particular plurality. Any reference signs in the claims shall not be construed as limiting the scope. Other variations to the above-described embodiments can be understood and effected by those skilled in the art without inventive faculty, from a study of the drawings, the description and the appended claims, which will still fall within the scope of the invention as claimed.
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