WO2017076239A1

WO2017076239A1 - Method and apparatus for detection of head movement trajectory based on head-mounted device

Info

Publication number: WO2017076239A1
Application number: PCT/CN2016/103845
Authority: WO
Inventors: 郑少华; 黎剑辉; 张圳; 朱一伟; 罗海彬; 湛浩
Original assignee: 丰唐物联技术（深圳）有限公司
Priority date: 2015-11-05
Filing date: 2016-10-28
Publication date: 2017-05-11
Also published as: CN106681427A

Abstract

A method and an apparatus for detection of head movement trajectory based on a head-mounted device, being used for acquiring, according to the movement trajectory of a light-emitting means on the head-mounted device, the movement trajectory of a user head that wears the head-mounted device. Said method comprises: acquiring an emission light signal sent by a head-mounted device based on a light emitter on the outer surface of the head-mounted device; acquiring, according the emission light signal, position adjustment data during the position adjustment of the head-mounted device with respect to the outer surface; parsing the acquired position adjustment data, and acquiring the movement trajectory of the user head that wears the head-mounted device. This invention has the beneficial effect of acquiring, according to the movement trajectory of the light-emitting means on the head-mounted device, the movement trajectory of the user head that wears the head-mounted device, improving the convenience of acquiring the head movement trajectory.

Description

Method and device for detecting head motion trajectory based on headgear

[0001] The present invention relates to the field of smart wear technology, and in particular, to a method and apparatus for detecting a head motion trajectory based on a head mounted device.

Background technique

[0002] With the continuous development of electronic technology and the increasing advancement of global smart wearable devices, more and more smart wearable devices are used in daily work and life; for example, smart bracelets, smart watches, smart glasses Smart headbands, smart shoes, etc.; and other smart wearable devices for certain groups, such as smart security guards for children, smart physiological parameter measurement products for the elderly, and intelligent monitoring products for patients.

[0003] For an intelligent product such as a smart headset device, how to conveniently acquire the motion track of the user's head using the smart headset device through the smart headset device is one of the problems that need to be solved urgently. technical problem

In view of the above, it is necessary to provide a method and apparatus for detecting a head movement trajectory based on a head-mounted device for acquiring a user's head wearing the head-mounted device according to a motion trajectory of the light-emitting device on the head-mounted device. Movement track.

Problem solution

Technical solution

[0005] Embodiments of the present invention disclose a method for detecting a head motion trajectory based on a head mounted device, including the following steps:

Obtaining a light-emitting signal emitted by the head-mounted device based on an illuminator on an outer surface of the head-mounted device; [0007] acquiring a position of the head-mounted device relative to the outer surface according to the emitted light signal Position adjustment data during the adjustment process;

[0008] parsing the acquired position adjustment data to obtain a motion trajectory of a user's head wearing the wearing device

In one embodiment, the location adjustment data includes at least one of the following data: [0010] data corresponding to the displacement information of the headgear device relative to the outer surface, data corresponding to the speed information

The data corresponding to the acceleration information and the data corresponding to the adjustment time information.

[0011] In an embodiment, the acquiring the position adjustment data in the position adjustment process of the headgear device relative to the outer surface according to the emitted light signal includes:

[0012] determining position adjustment data during position adjustment of the headgear device relative to the outer surface according to the at least one characteristic information of the emitted optical signal.

[0013] In an embodiment, the obtaining the position adjustment data during the position adjustment process of the headgear device relative to the outer surface according to the emitted light signal includes:

[0014] comparing the emitted optical signal with a preset transmit reference signal;

[0015] obtaining position adjustment data during position adjustment of the headgear device relative to the outer surface according to a comparison result between the emitted light signal and a preset transmission reference signal.

[0016] In an embodiment, the motion track of the user's head wearing the headset includes:

[0017] The direction of rotation and the angle of rotation of the user's head wearing the headset.

[0018] Corresponding to the detection method of the head movement trajectory of the headgear device described in the above embodiments, the embodiment of the present invention further provides a detection device based on the head movement trajectory of the headwear device, including:

[0019] a receiving module, configured to acquire, according to an emitted light signal emitted by the illuminator on the outer surface of the wearing device;

[0020] an obtaining module, configured to acquire, according to the emitted optical signal, position adjustment data in a position adjustment process of the headset relative to the outer surface;

[0021] The parsing module is configured to parse the acquired position adjustment data, and acquire a motion trajectory of a user's head wearing the wearing device.

[0022] In one embodiment, the location adjustment data includes at least one of the following data:

[0023] data corresponding to the displacement information of the wearable device relative to the outer surface, data corresponding to the speed information

[0024] In an embodiment, the obtaining module is configured to:

[0025] determining position adjustment data during position adjustment of the headgear device relative to the outer surface according to the at least one characteristic information of the emitted optical signal.

In an embodiment, the acquiring module includes: [0027] a comparing unit, configured to compare the emitted optical signal with a preset transmit reference signal;

And an obtaining unit, configured to obtain position adjustment data in a position adjustment process of the headgear device with respect to the outer surface according to a comparison result between the emitted light signal and a preset transmission reference signal.

[0029] In an embodiment, the motion track of the user's head wearing the headset includes:

[0030] The direction of rotation and the angle of rotation of the user's head wearing the headset.

Advantageous effects of the invention

Beneficial effect

[0031] A method and apparatus for detecting a head motion trajectory of a head mounted device according to an embodiment of the present invention can achieve the following beneficial effects:

[0032] obtaining an emission light signal emitted by the headset based on an illuminator on an outer surface of the headset; acquiring a position adjustment process of the headset relative to the outer surface according to the emitted light signal Locating the position adjustment data; obtaining the movement adjustment trajectory of the user wearing the head wear device; The beneficial effect of the movement track of the head improves the convenience of obtaining the movement track of the head; in addition, by installing the light-emitting device directly on the head-mounted device, the aesthetic value is also saved to a certain extent.

Brief description of the drawing

DRAWINGS

1 is a flow chart showing an embodiment of a method for detecting a head motion trajectory of a head mounted device according to an embodiment of the present invention;

2 is a schematic flow chart of an embodiment manner of step S20 in the embodiment of FIG. 1 in the method for detecting a head motion trajectory of a head-mounted device according to an embodiment of the present invention;

3 is a block diagram showing an embodiment of an apparatus for detecting a head motion trajectory of a head mounted device according to an embodiment of the present invention;

4 is a block diagram of an embodiment of the acquisition module 70 in the embodiment of FIG. 3 in the apparatus for detecting a head motion trajectory of a head-mounted device according to an embodiment of the present invention.

[0037] The implementation, functional features and advantages of the embodiments of the present invention will be further described with reference to the accompanying drawings. Embodiments of the invention

[0038] The technical solutions of the present invention are further described below in conjunction with the drawings and specific embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0039] In an embodiment of the present invention, a method and apparatus for detecting a head motion trajectory of a head-mounted device, in which the corresponding light-emitting device is mounted on the outer surface of the headset, is installed. A light emitting device capable of transmitting an optical signal.

[0040] wherein, the outer surface of the headwear device can be understood as: a side facing the outside; for example, a head-mounted device for a specific structure of the ring structure, wearing the cymbal, directly the head of the ring structure The wearing device is placed on the user's head, and the inner ring portion of the wearing device is in contact with the user, and the outer ring portion of the wearing device is exposed outside, and the outer ring portion of the wearing device is exposed outside. The surface is called the outer surface. It can be understood by those skilled in the art that the different structures of the head-mounted devices have different specific structures, but the meanings of the outer surfaces of the head-mounted devices are similar, and the embodiments of the present invention are not exhaustive.

[0041] The light-emitting device mounted on the headset may be: an LED lamp or other illuminating device, or other types of illuminators; those skilled in the art may understand that: The method and device for detecting the movement of the head of the device, the emphasis is on the emitted light emitted by the light-emitting device on the wearing device; that is, as long as the light-emitting device on the wearing device can emit the required light. That is, the specific type and specific configuration of the light emitting device are not limited.

[0042] The embodiment of the present invention is based on the following embodiments of the method and apparatus for detecting the head motion trajectory of the headgear, and the illuminating device of the above-mentioned headwear device will not be described again.

An embodiment of the present invention provides a method for detecting a head motion trajectory of a head-mounted device, which is used to acquire a motion trajectory of a user's head wearing the head-mounted device according to a motion trajectory of the light-emitting device on the headset. As shown in FIG. 1, an example of the present invention is a method for detecting a head motion trajectory based on a head-mounted device, which can be implemented as steps S10-S30 as described below:

[0044] Step S10: Acquire an emitted light signal emitted by the headset based on the illuminator on the outer surface of the headset;

In the embodiment of the present invention, since the corresponding illuminator is mounted on the headset, the emitted light signal emitted by the illuminator on the outer surface of the headset can be obtained. For example, the head wear device passes the surface The installed LED light directly emits corresponding light to form an emitted light signal. Since the corresponding light-emitting device is mounted on the outer surface of the head-mounted device, the head-mounted device can emit a corresponding light signal to the outside based on the light-emitting device of the head-mounted device. Therefore, when the head-mounted device emits light, it can receive the emitted light signal generated by the light-emitting device on the head-mounted device due to the light emission.

[0046] Step S20: Acquire, according to the emitted optical signal, location adjustment data during a position adjustment process of the headset relative to the outer surface;

In the embodiment of the present invention, since the above-mentioned head-wearing device may move correspondingly based on the motion of the user, the outer surface of the head-wearing device may also move correspondingly with the movement of the head-wearing device. . After receiving the emitted light signal generated by the light emitting device on the headset device due to the light emission, according to the emitted light signal, the position of the head gear device during the position adjustment process relative to the outer surface of the headset device can be acquired. Adjust the data. For example, using a certain key point of the outer surface of the wearing device as a reference, the position adjustment data of the wearing device relative to the key point on the outer surface during the position adjustment process is obtained.

[0048] In an embodiment, the location adjustment data corresponding to the headset during the location adjustment process includes at least one of the following data:

[0049] the data corresponding to the displacement information of the headwear relative to the outer surface, the data corresponding to the speed information, the data corresponding to the acceleration information, and the data corresponding to the adjustment information. For example, during the adjustment process, the headwear device corresponds to the displacement size information, the speed size information, and the acceleration magnitude information of the outer surface thereof. The displacement size information includes: a displacement magnitude, or a displacement direction, or a displacement magnitude and a direction, or a displacement magnitude and/or a displacement direction; for example, in a specific application scenario, the rotation angle of the headset may be It is understood that the displacement magnitude related information, the rotation direction of the headwear device can be understood as the displacement direction related information or the like. Similarly, the acceleration magnitude information includes: an acceleration magnitude, or an acceleration direction, or an acceleration magnitude and direction, or an acceleration magnitude and/or an acceleration direction.

[0050] In an embodiment, the position adjustment data in the position adjustment process of the headgear device relative to the outer surface may be obtained according to the at least one feature information corresponding to the emitted light signal. The characteristic information of the emitted optical signal can be understood as: a propagation speed of the transmitted optical signal, a propagation time, a propagation direction, a propagation distance, and the like. [0051] In one embodiment, in step S20 of the embodiment of FIG. 1, obtaining position adjustment data during position adjustment of the headgear device relative to the outer surface according to the emitted light signal, It can be implemented as steps S201-S202 as described below:

[0052] Step S201: comparing the emitted optical signal with a preset transmit reference signal;

[0053] Step S202: Acquire, according to a comparison result between the emitted optical signal and the preset transmit reference signal, position adjustment data in a position adjustment process of the headset relative to the outer surface.

In the embodiment of the present invention, an emission may be preset according to the attribute information corresponding to the emitted light signal generated by the light-emitting device on the outer surface of the wearing device and combined with the light-emitting characteristics of the light-emitting device on the head-mounted device. Reference signal. Obtaining, after the headset device is based on the emitted light signal emitted by the illuminator on the outer surface of the headset, comparing the acquired transmitted light signal with the signal characteristic data of the preset transmit reference signal, according to the transmitted optical signal and the pre- The result of the comparison between the emitted light signals is used to obtain position adjustment data during the position adjustment of the headgear device relative to the outer surface of the headwear device.

[0055] Step S30: Parse the acquired position adjustment data to obtain a motion trajectory of a user's head wearing the wearable device.

[0056] After the position adjustment data is acquired, the motion trajectory of the headset can be acquired by analyzing the position adjustment data, and further, the motion trajectory of the head of the user wearing the headset can be acquired. The motion track of the user's head wearing the headset includes: a rotation direction and a rotation angle of a user's head wearing the headset.

[0057] For example, when the position adjustment data is acquired, the displacement data in the position adjustment process of the headgear device relative to the outer surface of the headwear device can be obtained according to the displacement direction and the displacement size corresponding to the displacement data. The direction of rotation and the angle of rotation of the user's head wearing the headset.

[0058] An embodiment of the present invention is a method for detecting a head motion trajectory of a head mounted device, by acquiring an emitted light signal emitted by the headset based on an illuminator on an outer surface of the headset; a positional adjustment data during a position adjustment process of the headgear device relative to the outer surface; analyzing the acquired position adjustment data to obtain a motion trajectory of a user's head wearing the wearable device; Obtaining the beneficial effect of the movement trajectory of the user's head wearing the wearing device according to the movement trajectory of the illuminating device on the wearing device, improving the convenience of obtaining the trajectory of the head movement; in addition, installing the illuminating device directly on the wearing device The device, in terms of aesthetics, also saves costs to a certain extent. [0059] Corresponding to the detection method of the head movement trajectory of the headgear device described in the above embodiments, the embodiment of the present invention further provides a detection device based on the head movement trajectory of the headwear device, as shown in the figure. As shown in FIG. 3, in the embodiment of the present invention, a detecting device for a head motion track of a head mounted device includes: a receiving module 60, an obtaining module 70, and a parsing module 80;

[0060] The receiving module 60 is configured to acquire an emitted light signal emitted by the headset according to an illuminator on an outer surface of the headset;

In the embodiment of the present invention, since the corresponding illuminator is mounted on the headset, the receiving module 60 can acquire the emitted light signal emitted by the illuminator on the outer surface of the headset. For example, the headset directly emits corresponding light through a surface-mounted LED light to form an emitted light signal. Since the corresponding light-emitting device is mounted on the outer surface of the head-mounted device, the head-mounted device can emit a corresponding optical signal to the outside based on the light-emitting device of the head-mounted device. Therefore, when the head-mounted device emits light, the receiving module 60 can receive the emitted light signal generated by the light-emitting device on the head-mounted device due to the light-emitting.

The acquiring module 70 is configured to acquire position adjustment data during position adjustment of the headset relative to the outer surface according to the emitted optical signal.

In the embodiment of the present invention, since the above-mentioned headwear device may move correspondingly based on the motion of the user, the outer surface of the headset device may also move correspondingly with the movement of the headset device. . After the receiving module 60 receives the emitted light signal generated by the light emitting device on the headset device, the acquiring module 70 can obtain the headset device relative to the headset device according to the emitted light signal. The position adjustment data during the position adjustment process of the outer surface. For example, taking a certain key point on the outer surface of the wearing device as a reference, the obtaining module 70 acquires the position adjustment data of the wearing device in the position adjustment process with respect to the key point on the outer surface.

[0064] In an embodiment, the location adjustment data corresponding to the headset during the location adjustment process includes at least one of the following data:

[0065] the data corresponding to the displacement information of the headwear relative to the outer surface, the data corresponding to the speed information, the data corresponding to the acceleration information, and the data corresponding to the adjustment information. For example, during the adjustment process, the headwear device corresponds to the displacement size information, the speed size information, the acceleration size information, and the like of the outer surface thereof. The displacement size information includes: a displacement magnitude, or a displacement direction, or a displacement magnitude and a direction, or a displacement magnitude and/or a displacement direction; for example, in a specific application scenario, The rotation angle of the head-mounted device can be understood as the displacement-related information, and the rotation direction of the head-mounted device can be understood as the displacement direction-related information and the like. Similarly, the acceleration size information includes: an acceleration magnitude, or an acceleration direction, or an acceleration magnitude and direction, or an acceleration magnitude and/or an acceleration direction.

In an embodiment, the acquiring module 70 may obtain position adjustment data during position adjustment of the headset relative to the outer surface according to the at least one characteristic information corresponding to the emitted optical signal. The characteristic information of the emitted optical signal can be understood as: a propagation speed of the transmitted optical signal, a propagation time, a propagation direction, a propagation distance, and the like.

[0067] In an embodiment, as shown in FIG. 4, the obtaining module 70 includes:

[0068] comparing unit 701, configured to compare the emitted optical signal with a preset transmit reference signal;

[0069] The obtaining unit 702 is configured to compare the result between the emitted optical signal and the preset transmit reference signal

Obtaining position adjustment data during position adjustment of the headgear device relative to the outer surface.

In the embodiment of the present invention, the acquiring module 70 may combine the attribute information corresponding to the emitted light signal generated by the light-emitting device on the outer surface of the wearing device according to the light-emitting device, and combine the light-emitting characteristics of the light-emitting device on the head-mounted device. , a transmission reference signal is preset. After the receiving module 60 obtains the emitted light signal emitted by the illuminator on the outer surface of the wearing device, the comparing unit 701 performs the acquired transmitting optical signal and the signal characteristic data of the preset transmitting reference signal. In comparison, the obtaining unit 702 acquires position adjustment data in the position adjustment process of the headgear device relative to the outer surface of the headgear device according to the comparison result between the emitted light signal and the preset emitted light signal.

[0071] The parsing module 80 is configured to parse the acquired position adjustment data, and obtain a motion trajectory of a user's head wearing the headset.

[0072] After the location adjustment data is obtained, the parsing module 80 can obtain the motion track of the headset device by analyzing the location adjustment data, and further, can acquire the head of the user wearing the headset device. The movement track of the department. The motion track of the user's head wearing the headset includes: a rotation direction and a rotation angle of a user's head wearing the headset.

[0073] For example, the acquiring module 70 acquires the position adjustment data as the displacement data in the position adjustment process of the headgear device relative to the outer surface of the headwear device, and the parsing module 80 can correspond to the displacement data according to the displacement data. The direction of displacement and the magnitude of the displacement, corresponding to the direction of rotation of the user's head wearing the wearing device And the angle of rotation.

[0074] Embodiments of the present invention are a device for detecting a head motion trajectory of a head-mounted device, by acquiring an emission light signal emitted by a head-mounted device based on an illuminator on an outer surface of the head-mounted device; a positional adjustment data during a position adjustment process of the headgear device relative to the outer surface; analyzing the acquired position adjustment data to obtain a motion trajectory of a user's head wearing the wearable device; Obtaining the beneficial effect of the movement trajectory of the user's head wearing the wearing device according to the movement trajectory of the illuminating device on the wearing device, improving the convenience of obtaining the trajectory of the head movement; in addition, installing the illuminating device directly on the wearing device The device, in terms of aesthetics, also saves costs to a certain extent.

[0075] It is to be noted that the terms "comprising", "including", or any other variants thereof are intended to encompass a non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes Those elements, but also other elements not explicitly listed, or elements that are inherent to such a process, method, item or device. An element defined by the phrase "comprises a ..." without further restrictions does not exclude the presence of additional elements in the process, method, article, or device that comprises the element.

[0076] The foregoing serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.

[0077] Through the description of the above embodiments, those skilled in the art can clearly understand that the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former It is a better implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the patents. The equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

Claim

A method for detecting a head motion trajectory based on a head mounted device, comprising the steps of:

Acquiring the emitted light signal emitted by the headset based on the illuminator on the outer surface of the headset;

Obtaining, according to the emitted optical signal, location adjustment data during a position adjustment process of the headset relative to the outer surface;

The obtained position adjustment data is parsed to obtain a motion trajectory of a user's head wearing the wearable device.

The method of claim 1, wherein the position adjustment data comprises at least one of the following data:

The data corresponding to the displacement information of the headgear device with respect to the outer surface, the data corresponding to the speed information, the data corresponding to the acceleration information, and the data corresponding to the adjustment information. The method according to claim 1 or 2, wherein the obtaining the position adjustment data in the position adjustment process of the headgear device relative to the outer surface according to the emitted light signal comprises:

And determining position adjustment data during the position adjustment of the headgear device relative to the outer surface according to the at least one characteristic information of the emitted optical signal.

The method according to claim 1 or 2, wherein the obtaining the position adjustment data in the position adjustment process of the headgear device relative to the outer surface according to the emitted light signal comprises:

Comparing the emitted optical signal with a preset transmit reference signal;

And obtaining position adjustment data in the position adjustment process of the headgear device with respect to the outer surface according to a comparison result between the emitted light signal and the preset transmission reference signal. The method according to claim 1 or 2, wherein the movement trajectory of the user's head wearing the wearing device comprises:

The direction of rotation and the angle of rotation of the user's head wearing the headset.

A detecting device for a head movement track of a head wear device, comprising: a receiving module, configured to acquire an emitted light signal emitted by the headset based on an illuminator on an outer surface of the headset;

And an acquiring module, configured to acquire, according to the emitted optical signal, location adjustment data during a position adjustment process of the headset relative to the outer surface;

And a parsing module, configured to parse the acquired position adjustment data, and obtain a motion trajectory of a user's head wearing the wearing device.

The apparatus according to claim 6, wherein said position adjustment data comprises at least one of the following data:

The data corresponding to the displacement information of the headgear device with respect to the outer surface, the data corresponding to the speed information, the data corresponding to the acceleration information, and the data corresponding to the adjustment information. The device according to claim 6 or 7, wherein the acquiring module is configured to: obtain a position adjustment process of the headgear device relative to the outer surface according to the at least one characteristic information of the emitted optical signal Position adjustment data in .

The apparatus according to claim 6 or 7, wherein the acquiring module comprises: a comparing unit, configured to compare the emitted optical signal with a preset transmit reference signal; and an acquiring unit, configured to transmit according to the The result of the comparison between the optical signal and the preset transmit reference signal acquires position adjustment data during the position adjustment of the headset relative to the outer surface.

The device according to claim 6 or 7, wherein the movement trajectory of the user's head wearing the wearing device comprises: