CN110324641B - Method and device for keeping interest target moment display in panoramic video - Google Patents
Method and device for keeping interest target moment display in panoramic video Download PDFInfo
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- CN110324641B CN110324641B CN201910629350.7A CN201910629350A CN110324641B CN 110324641 B CN110324641 B CN 110324641B CN 201910629350 A CN201910629350 A CN 201910629350A CN 110324641 B CN110324641 B CN 110324641B
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/21805—Source of audio or video content, e.g. local disk arrays enabling multiple viewpoints, e.g. using a plurality of cameras
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/251—Learning process for intelligent management, e.g. learning user preferences for recommending movies
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
Abstract
The invention provides a method and a device for keeping an interest target in a panoramic video to be displayed at a moment. The method for keeping the moment display of the interest target in the panoramic video comprises the following steps: adding interest view angle parameters to one or more preset interest targets in the panoramic video to form a plurality of configuration files, wherein each configuration file comprises an interest view angle parameter set added aiming at the one or more preset interest targets; and when a tracking interest target playing instruction is received, playing the panoramic video according to a configuration file corresponding to the instruction. The above apparatus is used to implement the same process as the above method. The method and the device can keep the interested target in the playing visual angle without the operations of sliding a screen and the like of a user when the panoramic camera collects images and the interested target moves relatively.
Description
Technical Field
The invention relates to a video processing technology, in particular to a method and a device for keeping the moment display of an interest target in a panoramic video.
Background
Generally, when the intelligent terminal plays the panoramic video, the playing device plays only a part of pictures in a certain orientation in the panoramic video. In fact, the panoramic video is a scene in which an observer is centered and an omnidirectional 360-degree field of view is observed by rotating around a fixed point. During playing, the intelligent terminal can determine which partial image in the current frame image of the panoramic video is displayed by sliding a screen or moving hardware equipment by a user, the partial image is equivalent to the partial image seen when the user is used as an observer to watch the panoramic video at a certain watching visual angle, and the watching visual angle is the playing visual angle of the current video.
When a user wishes to continuously observe an interest object in a video while watching a panoramic video, since the display screen of the player can only display a small part of the panoramic video, that is, the current picture seen on the screen by the user is only a part of the current frame image of the panoramic video, the user has to manually swipe the screen to continuously drag the picture containing the interest object to the viewable area of the screen for viewing on the premise that the panoramic camera and the interest object are not kept relatively still. Obviously, this approach is very disadvantageous to the user experience.
Disclosure of Invention
The following presents a simplified summary of the invention in order to provide a basic understanding of some aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.
In view of this, the present invention provides a method for keeping a moment of interest displayed in a panoramic video, where the method includes: acquiring panoramic video data; adding interest view angle parameters to one or more preset interest targets in the panoramic video to form a plurality of configuration files, wherein each configuration file comprises an interest view angle parameter set added aiming at the one or more preset interest targets; and when a tracking interest target playing instruction is received, playing the panoramic video according to a configuration file corresponding to the instruction.
Further, the interest view angle parameter may be added to one or more preset interest targets in the panoramic video as follows: in the case where only one object of interest is contained within a playback view, a set of interest view parameters is added to the sequence of video frames containing the object of interest.
Further, the interest view angle parameter may be added to one or more preset interest targets in the panoramic video as follows: in the case where two or more objects of interest are simultaneously contained within the playback view, a set of interest view parameters is added to the sequence of video frames containing the set of objects of interest.
Further, a plurality of interest view parameters in the interest view parameter set corresponding to one interest object or a group of interest objects are different.
Further, the set of interest view parameters corresponding to one interest object and the set of interest view parameters corresponding to a group of interest objects may be partially the same as the interest view parameters.
Furthermore, recommending the interest targets in real time according to the time point, so that after the user selects one or a group of interest targets, the panoramic video is played according to the interest targets or the configuration files corresponding to the group of interest targets.
According to another aspect of the present invention, there is also provided an apparatus for maintaining a display of a target of interest at a time in a panoramic video, the apparatus including: an acquisition unit configured to acquire panoramic video data; the panoramic video processing device comprises a setting unit, a processing unit and a processing unit, wherein the setting unit is used for adding interest view angle parameters to one or more preset interest targets in a panoramic video to form a plurality of configuration files, and each configuration file comprises an interest view angle parameter set added aiming at one or more preset interest targets; and the playing unit is used for playing the panoramic video according to the configuration file corresponding to the tracking interest target playing instruction when the tracking interest target playing instruction is received.
Further, the setting unit adds an interest view parameter to one or more preset interest targets in the panoramic video as follows: in the case where only one object of interest is contained within a playback view, a set of interest view parameters is added to the sequence of video frames containing the object of interest.
Further, the setting unit adds an interest view parameter to one or more preset interest targets in the panoramic video as follows: in the case where two or more objects of interest are simultaneously contained within the playback view, a set of interest view parameters is added to the sequence of video frames containing the set of objects of interest.
Further, a plurality of interest view parameters in the interest view parameter set corresponding to one interest object or a group of interest objects are different.
Further, the set of interest view parameters corresponding to one interest object and the set of interest view parameters corresponding to a group of interest objects may be partially the same as the interest view parameters.
Furthermore, the playing unit recommends the interest targets in real time according to the time point, so that after the user selects one or a group of interest targets, the panoramic video is played according to the interest targets or the configuration files corresponding to the group of interest targets.
By the method and the device for keeping the interesting target constantly displayed in the panoramic video, when the panoramic video is played, the intelligent terminal can automatically select the target interesting to the user in the panoramic video according to the display operation information input by the user, and further continuously track the interesting target in the panoramic video within a fixed time interval; when the panoramic camera and the interested target move relatively, the user does not need to frequently and manually adjust the playing visual angle so that the interested target can be always kept in the panoramic video, thereby simplifying the user operation and improving the experience of the user in watching the panoramic video.
These and other advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings.
Drawings
The invention may be better understood by referring to the following description in conjunction with the accompanying drawings, in which like reference numerals are used throughout the figures to indicate like or similar parts. The accompanying drawings, which are incorporated in and form a part of this specification, illustrate preferred embodiments of the present invention and, together with the detailed description, serve to further explain the principles and advantages of the invention. Wherein:
FIG. 1 is a flow chart illustrating an exemplary process of a method of maintaining a temporal display of an object of interest in a panoramic video in accordance with the present invention;
fig. 2 is a block diagram illustrating an example of an apparatus for maintaining a display of a time of an object of interest in a panoramic video according to the present invention.
Skilled artisans appreciate that elements in the figures are illustrated for simplicity and clarity and have not necessarily been drawn to scale. For example, the dimensions of some of the elements in the figures may be exaggerated relative to other elements to help improve the understanding of the embodiments of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described hereinafter with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in the specification. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the device structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
Fig. 1 illustrates an exemplary process of the above-described method for maintaining the display of the time of the interest object in the panoramic video.
It should be noted that, in the embodiment of the present invention, a playing view angle corresponding to a preset interest object in a panoramic video is referred to as an interest view angle. An exemplary process of the method for maintaining a display of a moment of interest object in a panoramic video of the present invention is described below in conjunction with fig. 1, by which a user can maintain a display of a moment of interest object in a panoramic video without manually swiping a screen.
As shown in fig. 1, in step S110, panoramic video data is acquired. Then, step S120 is performed.
In step S120, interest view parameters are added to one or more preset interest objects in the panoramic video, forming a plurality of profiles, where each profile includes a set of interest view parameters added for the one or more preset interest objects.
In the embodiment of the present invention, for example, the video content may be analyzed manually or by a computer, so as to determine which objects in the video scene are objects that the user is likely to be interested in continuously watching (as preset interest objects), and record and store the positions and features of the interest objects.
Furthermore, in an embodiment of the present invention, the configuration file is, for example, in an editable format, and may be one or more. The user can select different configuration files when watching the panoramic video, so that the interest view angle of the panoramic video can be automatically changed according to different interest targets corresponding to the different configuration files when playing, and the interest targets corresponding to the selected configuration files are always kept in the playing view angle.
Suppose there are N objects of interest in a panoramic video, N being a positive integer. For example,
in one example, in step S120, an interest view parameter may be added to one or more preset interest objects in the panoramic video as follows: under the condition that the playing view only contains one interest target, adding an interest view parameter set to the video frame sequence containing the interest target, namely, adding corresponding interest view parameters to each video frame sequence containing the interest target, and forming the interest view parameter set corresponding to the interest target by using the interest view parameters corresponding to all the video frame sequences containing the interest target.
For example, as shown in table one, taking the configuration file corresponding to the interest object 1 as an example, in the interest view parameter set included in the configuration file, the interest view parameter corresponding to the interest object 1 in the video frame sequence M1 is F11, the interest view parameter corresponding to the interest object 1 in the video frame sequence M2 is F12, … …, and the interest view parameter corresponding to the interest object 1 in the video frame sequence MS is F1S. Where S represents the number of video frame sequences.
Table one:
further, in another example, in step S120, an interest view parameter may be added to one or more preset interest objects in the panoramic video as follows: in the case that two or more interest objects are simultaneously included in the playing view, an interest view parameter set is added to the video frame sequence including the set of interest objects (e.g., the interest objects a and B), that is, corresponding interest view parameters are added to each of the video frame sequences including the set of interest objects, and the interest view parameter sets corresponding to the set of interest objects are formed by the interest view parameters corresponding to all the video frame sequences including the set of interest objects.
Table two:
it is understood that a plurality of interest perspective parameters in the interest perspective parameter set corresponding to one or a group of interest targets are different; while the set of interest view angle parameters corresponding to an interest object may be the same AS (e.g., partially the same AS) the set of interest view angle parameters corresponding to a group of interest objects, or may be different from, for example, the set of interest view angle parameters corresponding to the interest object a is setA { (α a1, β a1), (α a2, β a2), … …, (α AS, β AS) }, where the interest view angle parameters are expressed by rotation angles (horizontal rotation angle, pitch rotation angle), and the group of interest object 1 includes the interest object a + interest object B, and the set of interest view angle parameters corresponding to the set of interest view angle parameters is setA { (α AB1, β AB1), (α AB2, β AB2), … …, (α ABs, β ABs) }, then it is possible that (α a2, β a2) and (α AB2, β AB2) are the same in the video frame sequence M2.
Then, in step S130, when a "track interest target" playing instruction is received, the panoramic video is played according to the configuration file corresponding to the instruction.
As an example, in step S130, for example, the interest targets may be recommended in real time according to the time point, and the recommended interest targets may be one or a group; the triggering mode of the interest target is that the user clicks and selects the interest target recommended by the playing device, and whether the interest target exists in the playing visual angle is not limited. For example, the playback apparatus recommends the object of interest a, the object of interest B + C in real time during the time period T1 (corresponding to a certain sequence of video frames), and recommends the object of interest a, the object of interest D in real time during the time period T2 (corresponding to a certain sequence of video frames). When a user selects a certain recommended interest target, the playing device plays the panoramic video according to the configuration file corresponding to the interest target, and the user can manually select different configuration files to track different interest targets when playing in the mode.
It should be noted that, when the panoramic video enters the "track interest target" mode for playing, the user can enter the panoramic video free mode (sliding screen) for playing through interaction with the playing device at any time.
It should be noted that the user perspective and the interest perspective may take the same multiple expressions, such as coordinates, rotation angles, space vectors, and the like.
For example, only a certain segment, i.e., a certain video frame sequence, may be configured with the view angle parameter of interest, while the rest of the video frame sequences are not configured.
In addition, only a plurality of segments, namely a plurality of video frame sequences, can be configured with the interesting view angle parameters, and the rest video frame sequences are not configured; alternatively, the interest view parameter may be configured for all video frame sequences in the configuration file.
In addition, the embodiment of the invention also provides a device for keeping the moment display of the interested target in the panoramic video.
Fig. 2 is a block diagram illustrating an example of an apparatus for maintaining a display of a time of an object of interest in a panoramic video.
As shown in fig. 2, the apparatus for maintaining the display of the time of the object of interest in the panoramic video includes an obtaining unit 210, a setting unit 220, and a playing unit 230.
As shown in fig. 2, fig. 1 illustrates an exemplary process of the above-mentioned method for maintaining the display of the target of interest at the moment in the panoramic video.
As shown in fig. 2, the acquisition unit 210 is configured to acquire panoramic video data. Then, the setting unit 220 is configured to add an interest view parameter to one or more preset interest objects in the panoramic video to form a plurality of profiles, where each profile includes a set of interest view parameters added for the one or more preset interest objects.
In the embodiment of the present invention, the setting unit 220 may analyze the video content, for example, manually or by a computer, to determine which objects in the video scene are the objects that the user may be interested in viewing continuously (as the preset interest objects), and record and store the positions and features of the interest objects.
Furthermore, in an embodiment of the present invention, the configuration file is, for example, in an editable format, and may be one or more. The user can select different configuration files when watching the panoramic video, so that the interest view angle of the panoramic video can be automatically changed according to different interest targets corresponding to the different configuration files when playing, and the interest targets corresponding to the selected configuration files are always kept in the playing view angle.
Suppose there are N objects of interest in a panoramic video, N being a positive integer. For example,
in one example, the setting unit 220 may add the interest view angle parameter to one or more preset interest objects in the panoramic video as follows: under the condition that the playing view only contains one interest target, adding an interest view parameter set to the video frame sequence containing the interest target, namely, adding corresponding interest view parameters to each video frame sequence containing the interest target, and forming the interest view parameter set corresponding to the interest target by using the interest view parameters corresponding to all the video frame sequences containing the interest target.
For example, as shown in table one, taking the configuration file corresponding to the interest object 1 as an example, in the interest view parameter set included in the configuration file, the interest view parameter corresponding to the interest object 1 in the video frame sequence M1 is F11, the interest view parameter corresponding to the interest object 1 in the video frame sequence M2 is F12, … …, and the interest view parameter corresponding to the interest object 1 in the video frame sequence MS is F1S. Where S represents the number of video frame sequences.
Furthermore, in another example, the setting unit 220 may also add the interest view parameter to one or more preset interest objects in the panoramic video as follows: in the case that two or more interest objects are simultaneously included in the playing view, an interest view parameter set is added to the video frame sequence including the set of interest objects (e.g., the interest objects a and B), that is, corresponding interest view parameters are added to each of the video frame sequences including the set of interest objects, and the interest view parameter sets corresponding to the set of interest objects are formed by the interest view parameters corresponding to all the video frame sequences including the set of interest objects.
It is understood that a plurality of interest perspective parameters in the interest perspective parameter set corresponding to one or a group of interest targets are different; for example, the set of interest view angle parameters corresponding to the object of interest a may be setA { (α a1, β a1), (α a2, β a2), … …, (α AS, β AS) }, and the set of interest object 1 includes an object of interest a + an object of interest B, and the set of interest view angle parameters corresponding to setA { (α AB1, β AB1), (α AB2, β AB2), … …, (α ABs, β ABs) }, so that (α a2, β a2) and (α AB2, β AB2) in the video frame sequence M2 may be the same.
The playing unit 230 is configured to play the panoramic video according to a configuration file corresponding to a "track interest target" playing instruction when the instruction is received.
As an example, the playing unit 230 may recommend the interest targets in real time according to the time point, for example, the recommended interest targets may be one or a group; the triggering mode of the interest target is that the user clicks and selects the interest target recommended by the playing device, and whether the interest target exists in the playing visual angle is not limited. For example, the playback apparatus recommends the object of interest a, the object of interest B + C in real time during the time period T1 (corresponding to a certain sequence of video frames), and recommends the object of interest a, the object of interest D in real time during the time period T2 (corresponding to a certain sequence of video frames). When a user selects a certain recommended interest target, the playing device plays the panoramic video according to the configuration file corresponding to the interest target, and the user can manually select different configuration files to track different interest targets when playing in the mode.
It should be noted that, when the panoramic video enters the "track interest target" mode for playing, the user can enter the panoramic video free mode (sliding screen) for playing through interaction with the playing device at any time.
It should be noted that the user perspective and the interest perspective may take the same multiple expressions, such as coordinates, rotation angles, space vectors, and the like.
For example, only a certain segment, i.e., a certain video frame sequence, may be configured with the view angle parameter of interest, while the rest of the video frame sequences are not configured.
In addition, only a plurality of segments, namely a plurality of video frame sequences, can be configured with the interesting view angle parameters, and the rest video frame sequences are not configured; alternatively, the interest view parameter may be configured for all video frame sequences in the configuration file.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention and the advantageous effects thereof have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
In summary, the embodiments of the present invention provide the following solutions:
the scheme 1. a method for keeping the moment display of an interest target in a panoramic video, which is characterized by comprising the following steps:
acquiring panoramic video data;
adding interest view angle parameters to one or more preset interest targets in the panoramic video to form a plurality of configuration files, wherein each configuration file comprises an interest view angle parameter set added aiming at the one or more preset interest targets; and
and when a tracking interest target playing instruction is received, playing the panoramic video according to a configuration file corresponding to the instruction.
The method of claim 1, wherein the interest view parameters are added to one or more preset interest objects in the panoramic video as follows: in the case where only one object of interest is contained within a playback view, a set of interest view parameters is added to the sequence of video frames containing the object of interest.
Scheme 3. the method according to claim 1 or 2, characterized in that the interest view parameters can be added to one or more preset interest objects in the panoramic video as follows: in the case where two or more objects of interest are simultaneously contained within the playback view, a set of interest view parameters is added to the sequence of video frames containing the set of objects of interest.
The method of any of claims 1-3, wherein the plurality of view angle of interest parameters in the set of view angle of interest parameters for an object of interest or a group of objects of interest are different.
The method of any of claims 1-4, wherein the set of view parameters of interest corresponding to an object of interest and the set of view parameters of interest corresponding to a group of objects of interest may be partially the same as the set of view parameters of interest.
The method according to any one of claims 1 to 5, wherein the interest targets are recommended in real time according to a time point, so that after the user selects one or a group of interest targets, the panoramic video is played according to a configuration file corresponding to the interest target or the group of interest targets.
The scheme 7. an apparatus for keeping the display of the interested target moment in the panoramic video is characterized in that the apparatus comprises:
an acquisition unit configured to acquire panoramic video data;
the panoramic video processing device comprises a setting unit, a processing unit and a processing unit, wherein the setting unit is used for adding interest view angle parameters to one or more preset interest targets in a panoramic video to form a plurality of configuration files, and each configuration file comprises an interest view angle parameter set added aiming at one or more preset interest targets; and
and the playing unit is used for playing the panoramic video according to the configuration file corresponding to the instruction when the tracking interest target playing instruction is received.
The apparatus of claim 7, wherein the setting unit adds the interest view parameter to one or more preset interest objects in the panoramic video as follows: in the case where only one object of interest is contained within a playback view, a set of interest view parameters is added to the sequence of video frames containing the object of interest.
The apparatus of claim 7 or 8, wherein the setting unit adds the interest view parameter to one or more preset interest objects in the panoramic video as follows: in the case where two or more objects of interest are simultaneously contained within the playback view, a set of interest view parameters is added to the sequence of video frames containing the set of objects of interest.
The apparatus of any of claims 7-9, wherein the plurality of view angle of interest parameters in the set of view angle of interest parameters corresponding to an object or group of objects of interest are different.
The apparatus according to any one of claims 7-10, wherein the set of view parameters of interest corresponding to one object of interest and the set of view parameters of interest corresponding to a group of objects of interest may be partially the same as the set of view parameters of interest.
The apparatus according to any one of claims 7 to 11, wherein the playing unit recommends the interest targets in real time according to a time point, so that after the user selects one or a group of interest targets, the panoramic video is played according to the interest targets or a configuration file corresponding to the group of interest targets.
Claims (2)
1. A method for keeping an interest target displayed at a moment in a panoramic video, the method comprising:
acquiring panoramic video data;
adding interest view angle parameters to one or more preset interest targets in the panoramic video to form a plurality of configuration files, wherein each configuration file comprises an interest view angle parameter set added aiming at the one or more preset interest targets; adding interest view angle parameters to one or more preset interest targets in the panoramic video according to the following modes: under the condition that only one interest target is contained in a playing view, adding an interest view parameter set to a video frame sequence containing the interest target; under the condition that two or more interest targets are simultaneously contained in a playing view, adding an interest view parameter set to a video frame sequence containing the group of interest targets; a plurality of interest view parameters in an interest view parameter set corresponding to one interest target or a group of interest targets are different; the interest visual angle parameter set corresponding to one interest target is the same as the interest visual angle parameters of the interest visual angle parameter set corresponding to a group of interest targets; and the number of the first and second groups,
when an interest target tracking playing instruction is received, playing the panoramic video according to a configuration file corresponding to the instruction; and recommending the interest targets in real time according to the time point so as to play the panoramic video according to the interest targets or the configuration files corresponding to the group of interest targets after the user selects one or a group of interest targets.
2. An apparatus for maintaining a temporal display of an object of interest in a panoramic video, the apparatus comprising:
an acquisition unit configured to acquire panoramic video data;
the panoramic video processing device comprises a setting unit, a processing unit and a processing unit, wherein the setting unit is used for adding interest view angle parameters to one or more preset interest targets in a panoramic video to form a plurality of configuration files, and each configuration file comprises an interest view angle parameter set added aiming at one or more preset interest targets; adding interest visual angle parameters to one or more preset interest targets in the panoramic video according to the following modes: under the condition that only one interest target is contained in a playing view, adding an interest view parameter set to a video frame sequence containing the interest target; under the condition that two or more interest targets are simultaneously contained in a playing view, adding an interest view parameter set to a video frame sequence containing the group of interest targets; a plurality of interest view parameters in an interest view parameter set corresponding to one interest target or a group of interest targets are different; and
the playing unit is used for playing the panoramic video according to the configuration file corresponding to the tracking interest target playing instruction when the tracking interest target playing instruction is received; and recommending the interest targets in real time according to the time point so as to play the panoramic video according to the interest targets or the configuration files corresponding to the group of interest targets after the user selects one or a group of interest targets.
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