WO2017076235A1

WO2017076235A1 - Method and apparatus for detecting head movement trajectory based on headset device

Info

Publication number: WO2017076235A1
Application number: PCT/CN2016/103841
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: CN106681480A

Abstract

A method and apparatus for detecting a head movement trajectory based on a headset device, used for acquiring the head movement trajectory of a user wearing the headset device on the basis of the movement trajectory of reflective devices on the headset device. The method comprises: sending a light emission signal to the outer surface of the headset device, and acquiring a reflection signal produced by the outer surface of the headset device due to reflection after receiving the light emission signal; on the basis of the reflection signal, acquiring position adjustment data of the headset device relative to the outer surface during a position adjustment process; and parsing the acquired position adjustment data to acquire the head movement trajectory of the user wearing the headset device; the present invention has the beneficial effect of acquiring the head movement trajectory of a user wearing a headset device on the basis of the movement trajectory of reflective devices on the headset device, improving the convenience of acquiring head movement trajectories.

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

[0004] In view of the above, it is necessary to provide a method and apparatus for detecting a head movement trajectory of a head-mounted device for acquiring a user's head wearing the head-mounted device according to a motion trajectory of the light-reflecting 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:

[0006] transmitting an emission light signal to an outer surface of the head mounted device;

Obtaining a reflected light signal generated by the outer surface of the wearing device due to the reflection after receiving the emitted light signal;

[0008] acquiring position adjustment data during position adjustment of the headgear device relative to the outer surface according to the reflected light signal;

[0009] parsing the acquired position adjustment data to obtain a motion trajectory of a user's head wearing the wearing device [0010] In one embodiment, the location adjustment data includes at least one of the following data:

[0011] data corresponding to the displacement information of the wearable 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.

[0012] In an embodiment, the acquiring the position adjustment data during the position adjustment process of the headgear device relative to the outer surface according to the reflected light signal includes:

[0013] obtaining position adjustment data during position adjustment of the headgear device with respect to the outer surface according to the at least one characteristic information of the reflected light signal.

[0014] In an embodiment, the acquiring the position adjustment data during the position adjustment process of the headgear device relative to the outer surface according to the reflected light signal includes:

[0015] comparing the reflected light signal with a preset reflection reference signal;

[0016] obtaining position adjustment data during position adjustment of the headgear device relative to the outer surface according to a comparison result between the reflected light signal and a preset reflection reference signal.

[0017] In an embodiment, the motion track of the user's head wearing the headset includes:

[0018] The direction of rotation and the angle of rotation of the user's head wearing the headset.

[0019] Corresponding to the detection method of the head movement trajectory of the headgear device, which is 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: [0020] a transmitting module, configured to send an emission light signal to an outer surface of the headset;

[0021] a receiving module, configured to acquire a reflected light signal generated by the outer surface of the headset device due to reflection after receiving the emitted light signal;

[0022] an obtaining module, configured to acquire position adjustment data during position adjustment of the headset relative to the outer surface according to the reflected light signal;

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

[0024] In one embodiment, the location adjustment data includes at least one of the following data:

[0025] data corresponding to the displacement information of the headwear relative to the outer surface, data corresponding to the speed information

In an embodiment, the obtaining module is configured to: [0027] 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 reflected light signal.

[0028] In an embodiment, the acquiring module includes:

[0029] a comparison unit, configured to compare the reflected light signal with a preset reflection 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 reflected light signal and the preset reflection reference signal.

[0031] In an embodiment, the motion track of the user's head wearing the headset includes:

[0032] The direction of rotation and the angle of rotation of the user's head wearing the headset.

Advantageous effects of the invention

Beneficial effect

[0033] 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:

[0034] transmitting a light signal to the outer surface of the headgear device; acquiring a reflected light signal generated by the outer surface of the headgear device due to the reflection of the emitted light signal; according to the reflected light signal Obtaining position adjustment data during position adjustment of the headgear device relative to the outer surface; parsing the obtained position adjustment data to obtain a motion trajectory of a user's head wearing the wearable device; Wearing the motion track of the reflective device on the device, obtaining the beneficial effect of the movement track of the user's head wearing the wearing device, improving the convenience of obtaining the head motion track; and, by installing the reflective device directly on the headset device, In the beautiful peers, it also saves costs 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 S30 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 device for detecting a head movement trajectory of a head mounted device according to an embodiment of the present invention, which is described in FIG. The acquisition module 80 in the embodiment is a block diagram of an embodiment manner.

[0039] 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

[0040] 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.

[0041] 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 reflective device is mounted on the outer surface of the headset, A retroreflective device that reflects the received optical signal back.

[0042] Wherein, the outer surface of the head-wearing device can be understood as: a side facing the outside; for example, a head-mounted device for a specific structure of the annular structure, wearing the cymbal, directly the head of the ring-shaped 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.

[0043] wherein, the reflective principle of the headset can be understood as: substantially the same as the principle of warning signs, for example: the reflective device mounted on the headset is a high refractive index glass bead reflex principle, and reflective The micro-diamond reflection principle of the crystal lattice is made by an advanced process of post-focusing processing, which is capable of reflecting the direct light emitted from the far side back to the illuminating place.

The embodiment of the present invention is based on the following embodiments of a method and apparatus for detecting a head motion trajectory of a head-mounted device, and the light-reflecting principle of the above-described head-mounted 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-wearing device according to a motion trajectory of the light-reflecting 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-S40 described below:

[0046] Step S10: transmitting an emission optical signal to an outer surface of the headset;

[0047] Step S20, acquiring an outer surface of the headset to be produced by reflection after receiving the emitted light signal Raw reflected light signal;

In an embodiment of the invention, an emitted light signal is transmitted to the head mounted device, for example, based on the illuminant directly emitting light to the wearing device. Since the corresponding surface of the head mounted device is provided with a corresponding retroreflective device, the head mounted device is capable of reflecting the direct light emitted from the far side back to the light emitting portion based on the reflective device of the head mounted device. Therefore, after the light is emitted to the head-mounted device, the reflected light signal reflected by the head-mounted device after receiving the emitted light signal can be received.

[0049] Step S30: Acquire, according to the reflected light signal, position adjustment data during a position adjustment process of the headwear device with respect to the outer surface;

[0050] 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 reflected by the headset, the position adjustment data during the position adjustment of the headset relative to the outer surface of the headset can be acquired according to the reflected light signal. For example, using a key point on the outer surface of the wearing device as a reference, the position adjustment data of the wearing device during the position adjustment process is obtained with respect to the key point on the outer surface.

[0051] In an embodiment, the location adjustment data corresponding to the headset during the location adjustment process includes at least one of the following data:

[0052] 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.

[0053] 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 reflected light signal. The characteristic information of the reflected light signal can be understood as: the propagation speed of the reflected light signal, the propagation time, and the transmission Broadcast direction, propagation distance, etc.

[0054] In one embodiment, in step S30 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 reflected light signal, It can be implemented as steps S301-S302 as described below:

[0055] Step S301: comparing the reflected optical signal with a preset reflection reference signal;

[0056] Step S302: Acquire, according to a comparison result between the reflected light signal and the preset reflection reference signal, position adjustment data in a position adjustment process of the headwear device with respect to the outer surface.

In the embodiment of the present invention, a reflection reference signal may be preset according to the attribute information corresponding to the emitted light signal sent to the outer surface of the headwear device and combined with the reflective characteristics of the light reflecting device on the head mounted device. Obtaining the reflected light signal generated by the outer surface of the wearing device after receiving the emitted light signal, and comparing the obtained reflected light signal with the signal characteristic data of the preset reflected reference signal, according to the reflected light signal and the pre- The result of the comparison between the reflected 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.

[0058] Step S40: Parse the acquired position adjustment data to obtain a motion track of a user's head wearing the wearable device.

[0059] 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.

[0060] 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.

[0061] Embodiments of the present invention are directed to a method for detecting a head motion trajectory of a head mounted device by transmitting an emission light signal to an outer surface of the head mounted device; acquiring an outer surface of the head mounted device by receiving the a reflected light signal generated by the reflection after the light signal is emitted; obtaining position adjustment data during the position adjustment process of the headwear relative to the outer surface according to the reflected light signal; and parsing the obtained position adjustment data Obtaining a motion trajectory of a user's head wearing the wearable device; having the beneficial effect of acquiring a motion trajectory of a user's head wearing the wearable device according to a motion trajectory of the reflective device on the headset It improves the convenience of obtaining the movement track of the head; in addition, by installing the reflective device directly on the head-mounted device, the aesthetics is also saved to a certain extent.

[0062] 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 based on a head movement track of a head mounted device includes: a transmitting module 60, a receiving module 70, an obtaining module 80, and a parsing module 90;

[0063] The transmitting module 60 is configured to send an emission light signal to an outer surface of the headset;

[0064] The receiving module 70 is configured to acquire a reflected light signal generated by the outer surface of the headset after being received by the reflected light signal;

In the embodiment of the present invention, the transmitting module 60 sends an emission light signal to the head mounted device. For example, the transmitting module 60 directly emits light to the head mounted device based on the illuminant. Since the corresponding surface of the head-mounted device is provided with a corresponding retroreflective device, the head-mounted device is capable of reflecting the direct light emitted from the remote back to the light-emitting portion based on the reflective device of the head-mounted device. Therefore, after the transmitting module 60 emits light to the head mounted device, the receiving module 70 can receive the reflected light signal reflected by the head mounted device after receiving the emitted light signal.

The acquiring module 80 is configured to acquire position adjustment data during position adjustment of the headset relative to the outer surface according to the reflected light signal.

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 the receiving module 70 receives the transmitted light signal reflected by the headset, the acquiring module 80 can obtain the position of the headset relative to the outer surface of the headset according to the reflected light signal. Position adjustment data during the adjustment process. For example, taking a certain key point of the outer surface of the wearing device as a reference, the obtaining module 80 acquires position adjustment data of the head device during the position adjustment with respect to the key point on the outer surface.

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

[0069] 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 displacement size information, speed size information, and acceleration size 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 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.

[0070] In an embodiment, the acquiring module 80 may obtain position adjustment data during position adjustment of the headgear device relative to the outer surface according to at least one characteristic information corresponding to the reflected light signal. The characteristic information of the reflected light signal can be understood as: a propagation speed of the reflected light signal, a propagation time, a propagation direction, a propagation distance, and the like.

[0071] In an embodiment, as shown in FIG. 4, the obtaining module 80 includes:

[0072] comparing unit 801, configured to compare the reflected optical signal with a preset reflective reference signal;

The obtaining unit 802 is configured to obtain position adjustment data during position adjustment of the headgear device with respect to the outer surface according to a comparison result between the reflected light signal and the preset reflection reference signal.

In the embodiment of the present invention, the acquiring module 80 may preset a reflection according to the attribute information corresponding to the emitted light signal sent to the outer surface of the headwear device, and combined with the reflective characteristics of the reflective device on the headset device. Reference signal. The receiving module 70 obtains the reflected light signal generated by the outer surface of the headwear device after receiving the emitted light signal, and the comparing unit 801 performs the signal data of the reflected light signal and the preset reflection reference signal. In comparison, the obtaining unit 802 acquires position adjustment data during the position adjustment process of the headgear device relative to the outer surface of the headgear device according to the comparison result between the reflected light signal and the preset reflected light signal.

[0075] The parsing module 90 is configured to parse the acquired position adjustment data, and obtain a motion trajectory of a user's head wearing the wearable device.

[0076] After the location adjustment data is obtained, the parsing module 90 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. [0077] For example, the obtaining module 80 obtains 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 90 can correspond to the displacement data according to the displacement data. The direction of displacement and the magnitude of the displacement correspond to the direction of rotation and the angle of rotation of the head of the user wearing the headset.

[0078] Embodiments of the present invention are a device for detecting a head motion trajectory of a head mounted device, by transmitting an emission light signal to an outer surface of the head mounted device; acquiring an outer surface of the head mounted device by receiving the a reflected light signal generated by the reflection after the light signal is emitted; obtaining position adjustment data during the position adjustment process of the headwear relative to the outer surface according to the reflected light signal; and parsing the obtained position adjustment data Obtaining a motion trajectory of a user's head wearing the wearable device; having a beneficial effect of acquiring a motion trajectory of a user's head wearing the wearable device according to a motion trajectory of the reflective device on the headset device, improving head movement Convenience of trajectory acquisition; In addition, by installing reflective devices directly on the headset, the aesthetics are also saved to a certain extent.

[0079] 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.

[0080] 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.

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 used directly or indirectly in other The related technical fields are all 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:

Transmitting an emission light signal to an outer surface of the head mounted device;

Obtaining, according to the reflected light signal, position 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 reflected 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 reflected light 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 reflected light signal comprises:

Comparing the reflected light signal with a preset reflection 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 reflected light signal and the preset reflection 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 mounted device, comprising: a transmitting module, configured to send an emission light signal to an outer surface of the head mounted device;

a receiving module, configured to acquire a reflected light signal generated by the outer surface of the headset after being received by the emitted light signal;

An acquiring module, configured to acquire position adjustment data during position adjustment of the headset relative to the outer surface according to the reflected light signal;

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 apparatus 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 at least one characteristic information of the reflected light signal Position adjustment data in .

The device according to claim 6 or 7, wherein the obtaining module comprises: a comparing unit, configured to compare the reflected light signal with a preset reflection reference signal; and an acquiring unit, configured to The result of the comparison between the optical signal and the preset reflected reference signal acquires position adjustment data during 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:

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