KR20140100627A - Contents synchronization server and method thereof using motion matching - Google Patents
Contents synchronization server and method thereof using motion matching Download PDFInfo
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- 210000002478 hand joint Anatomy 0.000 claims description 7
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Abstract
There is provided a motion-based content synchronization server and method for ensuring high accuracy in matching a mobile terminal to receive content and a display device in which the content is reproduced. The content synchronization server according to the present invention receives first motion measurement data according to a motion of the user and identification information of a content being reproduced by the display device from a display device having a sensor for sensing motion of a user, A motion matching unit for comparing the first motion measurement data with the second motion measurement data to determine whether or not the motion is coincident with the motion of the user, And a content providing unit transmitting the identification information of the content to the mobile terminal or requesting the content server to transmit the content to the mobile terminal when it is determined that the motions coincide with each other.
Description
The present invention relates to a content synchronization server and a content synchronization method using motion matching. And more particularly, to a content synchronization technology that enables a user of a mobile terminal to play content that is being played back on the display device through the mobile terminal by simply moving the mobile terminal and performing predetermined motion in front of the display device.
Various techniques for transmitting contents provided in a display device such as a kiosk to a mobile terminal are provided. What is important in these technologies is a method of matching a mobile terminal to receive contents and a display device in which contents are displayed.
For example, in the case of a technique of requesting content synchronization by triggering a specific motion such as shaking a mobile terminal, a kiosk terminal located nearby is searched using location information at the time when the trigger occurs, The kiosk in which the content synchronization event occurs is matched with the mobile terminal in which the trigger occurs. This technique is described in Korean Patent Publication No. 2012-0001561.
However, the above-described technique is not applicable to an environment in which a plurality of kiosk terminals are installed in adjacent areas or where users requesting content synchronization are located in adjacent areas. The location information of the mobile terminal, which the mobile terminal can provide to the content synchronization server, has a large error.
Accordingly, it is possible to provide a content synchronization technique that enables a user to easily synchronize content reproduced on a display device to his / her mobile terminal while ensuring high accuracy in matching a mobile terminal to receive content and a display device in which content is being reproduced Is requested.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a content synchronization server and method based on motion recognition that assures high accuracy in matching a mobile terminal to receive content and a display device in which the content is played back.
It is another object of the present invention to provide a motion-based content synchronization server and method in which a user's motion serving as a trigger signal of a content synchronization request is simultaneously used as a trigger signal and as a matching reference.
The technical objects of the present invention are not limited to the above-mentioned technical problems, and other technical subjects not mentioned can be clearly understood by those skilled in the art from the following description.
According to an aspect of the present invention, there is provided a content synchronization server, comprising: a display device having a sensor for sensing a motion of a user, the first motion measurement data corresponding to the motion of the user, A network interface for receiving the identification information of the content and receiving second motion measurement data according to the motion of the user from the user's mobile terminal, a second network interface for comparing the first motion measurement data with the second motion measurement data, To the mobile terminal, identification information of the content or identification information of the content associated with the content, or transmits the content to the mobile terminal if the determination result motion is determined to match A content providing unit that requests the content server .
According to an embodiment, the first motion measurement data includes data extracted from the image of the user taking the motion, and the second motion measurement data includes an acceleration generated as the mobile terminal moves according to the motion, And angular velocity.
According to an embodiment, the apparatus further includes a motion data storage unit for storing first motion measurement data feature information and second motion measurement data feature information for one or more predetermined motion, The motion of the first and second motion measurement data is determined from the second motion measurement data, and the motion indicated by the second motion measurement data is determined from the second motion measurement data, It can be determined whether or not they match.
According to an embodiment, the network interface further receives a time stamp of a time at which the motion is sensed and position information of the display device from the display device, and receives a time stamp of the time at which the motion is sensed from the mobile terminal And the motion matching unit may compare the first motion measurement data and the second motion measurement data in which the difference between the time stamp and the position information is within a predetermined threshold. That is, according to the present embodiment, the time and position at which the motion is recognized can be further compared to improve the accuracy of content synchronization.
According to an embodiment, the first motion measurement data may be identification information of a motion determined by the display device. The second motion measurement data may be identification information of a motion determined by the mobile terminal.
According to another embodiment of the present invention, the network interface additionally receives information on a reproduction time point of the content being reproduced by the display device from the display device, and the content provider, It is possible to request the content server to transmit data necessary for jumping to the playback point received from the device and playing back. That is, according to the present embodiment, when the content is reproduced through the mobile terminal, the content reproduction time point of the content synchronization point is directly interlocked.
According to another aspect of the present invention, there is provided a contents providing server including a contents storing unit for storing contents and a sensor for detecting a user's motion, and downloading and reproducing contents stored in the contents storing unit A network interface for receiving first motion measurement data from the display device in accordance with the motion of the user and receiving second motion measurement data from the user's mobile terminal in accordance with the motion of the user, A motion matching unit for comparing the two motion measurement data to determine whether or not the motion matches with each other, and a content providing unit for transmitting the data of the content reproduced by the display device to the mobile terminal when it is determined that the motion results match do.
According to another aspect of the present invention, there is provided a content synchronization method including: a display device having a sensor for sensing a motion of a user, the method comprising: recognizing the motion of the user and generating first motion measurement data Transmitting the first motion measurement data and the information indicating the content being reproduced by the display device to the content synchronization server, and transmitting the first motion measurement data to the content synchronization server, Generating second motion measurement data according to the motion and transmitting the second motion measurement data to the content synchronization server, the content synchronization server comparing the first motion measurement data and the second motion measurement data to determine whether the motion is coincident; If it is determined that the motions match, The recreational synchronization server and a step wherein the mobile terminal transmits data of the content to the mobile terminal according to the information indicating the content comprises the step of reproducing the content by receiving data of the contents from the contents synchronization server.
According to another aspect of the present invention, there is provided a method for synchronizing a content to be synchronized, the method comprising: receiving, by a mobile terminal, It is possible to reproduce through the mobile terminal.
In addition, synchronization of content is performed only when both the display device and the mobile terminal recognize the motion of the user, and the recognition can be performed only when the display device is close to the user. Therefore, Matching can be performed with high accuracy.
1 is a configuration diagram of a content synchronization system according to an embodiment of the present invention.
2 is a configuration diagram of a content synchronization system according to another embodiment of the present invention.
3A is a conceptual diagram of motion recognition on the display device side according to the present invention.
3B is a conceptual diagram of motion recognition on the mobile terminal according to the present invention.
4 is a block diagram of a contents synchronization server according to an embodiment of the present invention.
5 is a block diagram of a content providing server supporting a content synchronization function according to an embodiment of the present invention.
6 is a flowchart of a content synchronization method according to an exemplary embodiment of the present invention.
7 to 8 are a signal flow diagram of a content synchronization method performed by a content synchronization server according to an embodiment of the present invention.
9 is a signal flow diagram of a content synchronization method performed by a content providing server according to an embodiment of the present invention.
10 is a signal flow diagram of a content synchronization method according to an embodiment of the present invention, in which a display device and a mobile terminal perform motion identification.
11 is a signal flow diagram of a content synchronization method supporting a playback-time interworking function according to an embodiment of the present invention.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.
Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.
First, the configuration and general operation of a content synchronization system according to an embodiment of the present invention will be described with reference to FIG.
1 is a configuration diagram of a content synchronization system according to an embodiment of the present invention. As shown in FIG. 1, the content synchronization system according to the present embodiment may include a
The
The
In the present embodiment, it is assumed that content to be played back on the
The
Hereinafter, the operation of the content synchronization system according to the present embodiment will be outlined.
The
According to one embodiment, the first motion measurement data may include data extracted from the image of the user who took the motion. That is, the first motion measurement data may be data converted from the image of the motion of the
However, since the motion required in the present embodiment is not limited to the motion of the whole body but to the motion related to the hand, the first motion measurement data may be a motion between the joints related to the hand, Only the data for the skeletal edge of the frame may be included. That is, the motion means movement of a user's hand holding the mobile terminal, and the first motion measurement data may be data of at least some of the human body skeleton data of the user. By doing so, it is possible to alleviate the inclusion of unnecessary data in the first motion measurement data.
In addition, the second motion measurement data may include at least one of acceleration and angular velocity generated as the mobile terminal moves according to the motion.
Next, the
However, the
The "information indicating the content being played back on the
Meanwhile, since the
Accordingly, the
Not only time but also location coincidence can be used for noise reduction. Since the
The
The location information of the
The
However, since the first motion measurement data is image side recognition data of motion and the second motion measurement data is motion side recognition data of motion, it is difficult to determine whether the measurement data is for the same motion by simple comparison. Thus, according to one embodiment, after converting the second motion measurement data estimate from the first motion measurement data or the first motion measurement data estimate from the second motion measurement data, Can be compared.
For example, analyzing the first motion measurement data, which includes image side recognition data of motion, e.g., data representing the motion of the human skeleton of the
Hereinafter, this will be described in more detail with reference to FIGS. 3A and 3B. FIG. 3A is a conceptual diagram of motion recognition on the side of the display device according to the present invention, and FIG. 3B is a conceptual diagram of motion recognition on the mobile terminal according to the present invention.
FIG. 3A is human body skeleton data measured by the
3A, the
3A is recognized through the motion sensor of the
That is, referring to FIG. 3A, it can be seen from the analysis of the first motion measurement data that the
Conversely, referring to FIG. 3B, it is expected that the
In summary, the
If it is determined that the motion is coincident with the first motion measurement data as described above or an estimate of the first motion measurement data is obtained from the second motion measurement data, It is not necessary to limit the motion for the motion detection to the predefined motion.
In addition, according to one embodiment, the
In summary, the
On the other hand, according to one embodiment, the first motion measurement data feature information for one or more predetermined motion is stored in the
If both the first motion measurement data and the second motion measurement data include the identification information of the motion identified by the
According to one embodiment, the first motion measurement data feature information may be data representing a sequential change in relative position between at least two of the hand joint, the wrist joint, the elbow joint and the shoulder joint.
According to one embodiment, the second motion measurement data feature information includes a graph of a change in acceleration magnitude for each axis along time, a graph of change in acceleration sum value for each axis according to time, A graph of variation of dispersion value, and the like.
1, the
According to an embodiment, the
In addition, according to one embodiment, when it is determined that the first motion measurement data and the second motion measurement data indicate the same motion, the
The
The configuration of the
Next, a content synchronization system which is partially different from that shown in Fig. 1 will be described with reference to Fig.
The content synchronization system shown in FIG. 2 includes a
1, the
The
Receiving the time stamp and position information from each of the
The configuration of the
Next, a configuration of a content synchronization server according to an embodiment of the present invention will be described with reference to FIG. The
The network interface 200 receives the first motion measurement data according to the motion of the user and the identification information of the content being reproduced by the display device from the
The motion matching unit 204 compares the first motion measurement data with the second motion measurement data to determine whether or not the motion is matched. The motion matching unit 204 may determine whether or not the motion is matched in such a manner that an estimate of the second motion measurement data is obtained from the first motion measurement data or an estimate of the first motion measurement data is obtained from the second motion measurement data have.
The content providing unit 206 transmits the identification information of the content to the
The motion matching unit 204 does not determine whether or not the motion is matched in such a manner that an estimate of the second motion measurement data is obtained from the first motion measurement data or an estimate of the first motion measurement data is obtained from the second motion measurement data The
FIG. 5 is a block diagram of the
The network interface 200 of the
The motion matching unit 204 of the
Up to this point, each of the components in FIGS. 4 and 5 may refer to software or hardware such as a field-programmable gate array (FPGA) or an application-specific integrated circuit (ASIC). However, the components are not limited to software or hardware, and may be configured to be in an addressable storage medium and configured to execute one or more processors. The functions provided in the components may be implemented by a more detailed component or may be implemented by a single component that performs a specific function by combining a plurality of components.
Hereinafter, a content synchronization method according to an embodiment of the present invention will be described with reference to FIG.
The content synchronization method according to the present embodiment is started by the display device playing the content (S10), and the user carrying out the motion with the mobile terminal (S12).
The motion is recognized by a display device by a visible ray photographing or an infrared ray reflection recognition method (S14), and is recognized by a mobile terminal by a method of acceleration, angular velocity, gravity direction measurement, etc. according to movement of the mobile terminal (S20) .
The display device transmits the first motion measurement data measured in accordance with the motion recognition, the currently reproduced content identification information, the position information, and the time stamp to the content synchronization server (S16). The mobile terminal also transmits the second motion Measurement data, location information of the mobile terminal, and time stamp to the content synchronization server (S22).
Next, the content synchronization server compares the first and second motion measurement data, the position information, and the time stamp to determine whether or not the motion is matched (S30). The content synchronization server determines whether the mobile terminal and the display device are in the same motion The mobile terminal transmits content data to the mobile terminal or transmits content identification information (e.g., a URL of the content) (S32) so that the mobile terminal can reproduce the content reproduced on the display device ( S34).
Hereinafter, various embodiments of the
First, a content synchronization method performed by a content synchronization server according to an embodiment of the present invention will be described with reference to FIGS.
7, when the
The user's motion is recognized by the
The
8, when it is determined that the motion, the time, and the position of the data transmitted by the
9 is a signal flow diagram of a content synchronization method performed by the
9, when it is determined that the motion, the time, and the position of the data transmitted by the
10 is a signal flow diagram of a content synchronization method according to an embodiment of the present invention, in which a display device and a mobile terminal perform motion identification. 10, the first motion measurement data feature information for one or more predefined motions is stored in the
At this time, the
11 is a signal flow diagram of a content synchronization method supporting a playback-time interworking function according to an embodiment of the present invention. The
The
According to an embodiment, when the content is synchronized from the
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You will understand. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.
The
Claims (15)
A motion matching unit for comparing the first motion measurement data and the second motion measurement data to determine whether or not the motion is matched; And
When it is determined that the motions match, transmitting identification information of the content or related content of the content to the mobile terminal, or requesting the content server to transmit the content or the related content of the content to the mobile terminal And a content providing unit for receiving the content from the server.
Wherein the first motion measurement data includes data extracted from the motion image of the user taking the motion,
Wherein the second motion measurement data includes at least one of acceleration and angular velocity generated as the mobile terminal moves according to the motion.
The motion means movement of a user's hand holding the mobile terminal,
Wherein the first motion measurement data is at least a portion of human body skeleton data of the user.
The motion matching unit may calculate the second motion measurement data estimate from the first motion measurement data, compare the second motion measurement data estimate with the second motion measurement data, and if the difference is less than a predetermined threshold, The content synchronization server determines that the content is to be downloaded.
Wherein the motion matching unit calculates a movement pattern of the hand joint in the user's body skeleton data from the second motion measurement data, compares the movement pattern of the hand joint with the first motion measurement data, And determines that the motion matches.
Further comprising: a motion data storage for storing first motion measurement data feature information and second motion measurement data feature information for one or more predefined motion,
Wherein the motion matching unit determines a motion indicated by the first motion measurement data from the first motion measurement data feature information and determines a motion indicated by the second motion measurement data from the second motion measurement data feature information, 1 < / RTI > and 2 < th > motion measurement data.
Wherein the first motion measurement data is human body skeleton data of the user,
Wherein the first motion measurement data feature information is data representative of a sequential change in relative position between at least two of the hand joint, the wrist joint, the elbow joint, and the shoulder joint.
Wherein the network interface comprises:
Further receiving a time stamp of a time at which the motion is sensed from the display device and position information of the display device and further receiving a time stamp of a time at which the motion is sensed and position information of the mobile terminal from the mobile terminal,
The motion-
And compares the first motion measurement data and the second motion measurement data, the difference between the time stamp and the position information being within a predefined limit.
Wherein the first motion measurement data is identification information of a motion determined by the display device.
Wherein the second motion measurement data is identification information of a motion determined by the mobile terminal.
The content providing apparatus,
Requesting the content server to transmit the content to the mobile terminal or transmit the content to the mobile terminal when the determined motion is the first motion, and when the determined motion is the second motion, And transmits the content to the mobile terminal or requests the content server to transmit the content associated with the content to the mobile terminal.
Wherein the network interface further receives information on the playback time of the content being played back by the display device from the display device,
Wherein the content providing unit requests the content server to transmit, from the data of the content according to the identification information, data necessary for jumping to the reproduction time point received from the display device and reproducing the data.
Wherein the network interface comprises:
And receives a playback start signal indicating that playback of the content has started from the mobile terminal and transmits a playback stop control signal for the content to the display device.
A method for receiving first motion measurement data in response to a motion of a user from a display device having a sensor for detecting motion of a user and downloading and reproducing contents stored in the content storage unit, A network interface for receiving second motion measurement data in accordance with the motion of the first network;
A motion matching unit for comparing the first motion measurement data and the second motion measurement data to determine whether or not the motion is matched; And
And a content providing unit that transmits data of the content reproduced by the display device to the mobile terminal when it is determined that the motions match.
Generating second motion measurement data according to the user's motion and transmitting the second motion measurement data to the content synchronization server, the user's mobile terminal having a sensor for detecting motion of the mobile terminal;
Comparing the first motion measurement data with the second motion measurement data to determine whether the content is synchronized with the motion;
If the result of the determination indicates that the motions match, the content synchronization server transmits data of content according to information indicating the content to the mobile terminal; And
And receiving the content data from the content synchronization server and playing the content.
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| KR1020130013170A KR101560673B1 (en) | 2013-02-06 | 2013-02-06 | Contents synchronization server and method thereof using motion matching |
| PCT/KR2013/010860 WO2014123299A1 (en) | 2013-02-06 | 2013-11-27 | Content synchronization server and content synchronization method using motion matching |
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| KR101660503B1 (en) | 2015-05-19 | 2016-10-10 | 주식회사 호서텔넷 | Data processing device performing application according to position |
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| KR20100062548A (en) * | 2008-12-02 | 2010-06-10 | 에스케이 텔레콤주식회사 | Game service system for providing online game of sensory type and method thereof |
| KR101089642B1 (en) * | 2010-02-26 | 2011-12-06 | (주)모션블루 | Method and Recording Media for Providing 3-Screen Service |
| KR101212893B1 (en) * | 2010-06-04 | 2012-12-14 | 삼성에스디에스 주식회사 | Advertisement system, and method for displaying advertisement |
| KR20120070638A (en) * | 2010-12-22 | 2012-07-02 | (주)로이비즈 | Smart phone application service system by motion control type for controlling pc game and game method providing by system thereof |
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