CN103731659A - Head-mounted display device - Google Patents
Head-mounted display device Download PDFInfo
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- CN103731659A CN103731659A CN201410008313.1A CN201410008313A CN103731659A CN 103731659 A CN103731659 A CN 103731659A CN 201410008313 A CN201410008313 A CN 201410008313A CN 103731659 A CN103731659 A CN 103731659A
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Abstract
The invention provides a head-mounted display device which comprises a display screen, a plurality of cameras and a controller, wherein the plurality of cameras are arranged at different positions of the head-mounted display device and shoot different zones of the head-mounted display device to acquire image information; the controller receives the image information from the plurality of cameras, enables the image information to be displayed on the display screen and determines whether to give an alarm to users according to the image information from the cameras.
Description
Technical field
The invention belongs to automatic alarm field, relate to a kind of head-mounted display apparatus.
Background technology
Head-mounted display apparatus (Head Mounted Display, HMD) refers to the display device that can be worn on the head.HMD is generally used " near optics of the eye system " to come at multimedia messagess such as the upper display graphics pictures of the display screen apart from several centimetres, eyeball (such as eyeglass).According to the quantity of display screen, HMD can be subdivided into " single eyeglass HMD " and " two lens HMD ".Some HMD only show one " computer generated image " (CGI), and the HMD of some kinds can show in the mode at " real world visual angle " CGI of stack.The latter is generally called again " reality of enhancing ", because user's the image information for real world is attached to image on display device to " strengthening ".Specifically, be exactly that user both can watch the own external world around by transparent eyeglass, also can on eyeglass, show by control system some multimedia messagess, for example word (see forwardly the name of Yi Zuo mansion, the position in the own nearest restaurant of distance with and the instant messages such as specialty, menu).
HMD has many practicality and recreational application.For example, under the prerequisite that AEROSPACE APPLICATION permission pilot does not remove from flight path in eye, check vital flight control information.Public safety applications can comprise that the face that follow the tracks of to show cartographic information and suspect identifies match information etc. automatically.Other applications also can comprise video-game, tele-medicine, Long-distance Control etc.Because this technology is also in commitment, along with the development of this technology, more practicality and recreational application appearance will be had.But, the efficiency etc. that these application are at present limited in cost, size, viewing area and are used for realizing the conventional optical device of current HMD.And its extensive use on market will progressively be captured and be realized along with the fast development of HMD to some other technical problem not yet thoroughly solving.
Yet, when the wearer of head-mounted display apparatus in daily walking, drive, etc. in moving process, Yi Bian watch from the multimedia messages on head-mounted display apparatus, Yi Bian when watching external world information, wholeheartedly dual-purpose, has very large danger.In addition, for example, for law enfrocement official, its expectation can utilize head-mounted display apparatus to flutter in real time the suspect who catches in enforcing law, retains video evidence, and expands the visual visual field, strengthens its eyesight.
Therefore, need a kind of head-mounted display apparatus with auto-alarm function to meet user's demand.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of head-mounted display apparatus, by eye tracking technology, comes automatic control head to wear the power supply of formula display device, thereby saves user's mutual cost.
According to an aspect of the present invention, a kind of head-mounted display apparatus comprises: display screen; A plurality of cameras, are arranged in the different azimuth of head-mounted display apparatus, and the zones of different of head-mounted display apparatus is taken to obtain image information; Controller, receives image informations from described a plurality of cameras, and image information display, on display screen, and is determined whether to User Alarms according to the image information from camera.
Head-mounted display apparatus also can comprise microphone, and controller is sounded to user's warning message of sounding by controlling microphone.
Head-mounted display apparatus also can comprise LED lamp, and controller sends light by control LED lamp and sends light warning information to user.
Described a plurality of camera can comprise: the first camera, be arranged on the front side of head-mounted display apparatus, and the front area of head-mounted display apparatus is taken, and the image information of shooting is sent to controller; Second camera, is arranged on the rear side of head-mounted display apparatus, the posterior region of head-mounted display apparatus is taken, and the image information of shooting is sent to controller; The 3rd camera, is arranged on the left side of head-mounted display apparatus, the left field of head-mounted display apparatus is taken, and the image information of shooting is sent to controller; The 4th camera, is arranged on the right side of head-mounted display apparatus, the right side area of head-mounted display apparatus is taken, and the image information of shooting is sent to controller.
Described a plurality of camera also can comprise: the 5th camera, be arranged on the upside of head-mounted display apparatus, and the upper area of head-mounted display apparatus is taken, and the image information of shooting is sent to controller.
When being positioned at the object of the user's who wears head-mounted display apparatus a side and moving to user, if controller is according to determining that from the image information of corresponding camera the speed of described object is greater than predetermined threshold speed, controller can control loudspeaker and/or LED lamp to user, send warning message.
Head-mounted display apparatus also can comprise: wireless communication unit, communicate by letter with remote server.
Controller can compare the human face image information of a camera from described a plurality of cameras and the human face image information receiving from remote server by wireless communication unit; If from the matching degree between the human face image information of a camera in a plurality of cameras and the human face image information that receives from remote server by wireless communication unit higher than predetermined matching degree threshold value, controller can control loudspeaker and/or LED lamp to user, send warning message.
Controller can send to remote server by the human face image information of from a plurality of cameras by wireless communication unit, with executor's face images match in remote server.
Controller can send to the image information of a camera from a plurality of cameras by wireless communication unit the wireless communication unit of other head-mounted display apparatus, or can via remote server, the image information of a camera from a plurality of cameras be sent to by wireless communication unit to the wireless communication unit of other head-mounted display apparatus, to realize human face image information, share.
Head-mounted display apparatus of the present invention is the image information in each orientation of supervisory user in real time, realizes auto-alarm function, to protect user's personal safety; Also can real time record danger signal, dangerous person's image information etc., preserved evidence, for user provides convenience.
Accompanying drawing explanation
In conjunction with the drawings, from the description of the following examples, the present invention these and/or other side and advantage will become clear, and are easier to understand, wherein:
Fig. 1 is the forward direction visual angle schematic diagram illustrating according to the head-mounted display apparatus of the embodiment of the present invention;
Fig. 2 is the schematic diagram illustrating according to the angular field of view of the camera that is positioned at four orientation of the head-mounted display apparatus of the embodiment of the present invention;
Fig. 3 is the schematic diagram illustrating according to the two display screens of the head-mounted display apparatus of the embodiment of the present invention;
Fig. 4 is the schematic diagram illustrating according to single display screen of the head-mounted display apparatus of the embodiment of the present invention;
Fig. 5 is the schematic diagram illustrating according to the warning example of the camera of the head-mounted display apparatus of the embodiment of the present invention;
Fig. 6 is the schematic diagram illustrating according to the recognition of face of the head-mounted display apparatus of the embodiment of the present invention;
Fig. 7 illustrates the schematic diagram of head-mounted display apparatus according to another embodiment of the present invention;
Fig. 8 is the control block diagram illustrating according to the automatic alarm of the head-mounted display apparatus of the embodiment of the present invention;
Fig. 9 is the flow chart illustrating according to the automatic alarm of the head-mounted display apparatus of the embodiment of the present invention.
Embodiment
Referring to accompanying drawing, describe embodiments of the invention in detail.According to the quantity of the display screen of HMD, HMD can be subdivided into single eyeglass HMD and two lens HMD.The present invention can be applicable to single eyeglass HMD and two lens HMD simultaneously.
Fig. 1 is the forward direction visual angle schematic diagram illustrating according to the head-mounted display apparatus of the embodiment of the present invention.
A plurality of cameras 3 can be arranged in the different azimuth of head-mounted display apparatus.A plurality of cameras 3 can comprise the first camera 31, second camera 32, the 3rd camera 33 and the 4th camera 34.
First (front side) camera 31 is arranged on the front side of head-mounted display apparatus, the front area of head-mounted display apparatus is taken, and the image information of shooting is sent to controller.
Second (rear side) camera 32 is arranged on the rear side of head-mounted display apparatus, the posterior region of head-mounted display apparatus is taken, and the image information of shooting is sent to controller.
The 3rd (left side) camera 33 is arranged on the left side of head-mounted display apparatus, the left field of head-mounted display apparatus is taken, and the image information of shooting is sent to controller.
The 4th (right side) camera 34 is arranged on the right side of head-mounted display apparatus, the right side area of head-mounted display apparatus is taken, and the image information of shooting is sent to controller.
Controller can be by the image information display receiving on display screen 2.Controller can determine whether to User Alarms according to the image information from camera.
Microphone 4 receives acoustic informations, for example, from outside or user's phonetic order.
Loud speaker 5 sends acoustic information to user, for example warning message.For example, controller sends audible alarm information according to the image information control loudspeaker 5 receiving to user.
LED lamp 6 sends light information to user.For example, controller is controlled LED lamp 6 according to the image information receiving and is sent light warning information (for example light flash information) to user.
Fig. 2 is the schematic diagram illustrating according to the angular field of view of the camera that is positioned at four orientation of the head-mounted display apparatus of the embodiment of the present invention.Cooperation by the first camera 31 to the 4th camera 34, can realize the picket surveillance to 360 degree of user's surrounding environment.
Fig. 3 illustrates according to the schematic diagram of the two display screens of the head-mounted display apparatus of the embodiment of the present invention (user perspective direction).Controller can be by from the first camera 31, the image information to two cameras in the 4th camera 34 is presented on left display screen 21 side by side, and can be by from the first camera 31, the image information to all the other two cameras in the 4th camera 34 is presented on right display screen 21 side by side.
Fig. 4 is the schematic diagram illustrating according to single display screen of the head-mounted display apparatus of the embodiment of the present invention.Controller can be by from the first camera 31, the image information to the 4th camera 34 is presented in left display screen 21 and right display screen 22 side by side.
Fig. 5 is the schematic diagram illustrating according to the warning example of the camera of the head-mounted display apparatus of the embodiment of the present invention.
For example, for example, when wearing the user's of head-mounted display apparatus the object (vehicles) of a side and move to user, if controller is according to determining that from the image information of corresponding camera the speed of described object is greater than the danger that predetermined threshold speed exists collision, controller is carried out at least one in following operation: control loudspeaker 5 sends audible alarm information to user; Control LED lamp 6 and send light warning information to user.
Fig. 6 is the schematic diagram illustrating according to the recognition of face of the head-mounted display apparatus of the embodiment of the present invention.With reference to Fig. 6, controller can be presented at the human face image information of from a plurality of cameras 3 and the human face image information receiving from remote server by wireless communication unit display screen 2 and compare.For example, in Fig. 6, display screen left side shows from the human face image information of in a plurality of cameras 3, the human face image information that the demonstration of display screen left side receives from remote server.If higher than predetermined matching degree threshold value, controller control loudspeaker 5 and/or LED lamp 6 send warning message to user from the matching degree between the human face image information of in a plurality of cameras 3 and the human face image information that receives from remote server by wireless communication unit.Controller also can send to remote server by the human face image information of from a plurality of cameras 3 by wireless communication unit, with executor's face images match in remote server.
For example, by application the present invention, for wearing head-mounted display apparatus law enfrocement official, suspect's human face image information and the facial image of the own surrounding capturing in real time can be compared, if matching degree is higher than threshold value, controller trigger alarm, and the result figure that displaying is mated on display screen 2.Like this, facilitate law enfrocement official to follow the trail of in real time suspect.Further, a plurality of head-mounted display apparatus can collaborative work, like this, multidigit law enfrocement official is in the process of zones of different law enforcement, can be by the information (short distance situation) around the direct real-time sharing of wireless communication unit oneself of head-mounted display apparatus, or can pass through the wireless communication unit of head-mounted display apparatus via remote server Real-Time Sharing oneself information (long apart from situation) around, and alarm signal is passed to other multidigit law enfrocement official in real time; Also can the facial image capturing be sent to remote server by wireless communication unit, with executor's face images match in remote server.Short haul connection (near-field communication) can adopt the modes such as Bluetooth communication, infrared communication, Wi-Fi communication.
In addition, can on a head-mounted display apparatus, show other members' of same team the geographical location information with respect to oneself; If target is locked by a head-mounted display apparatus, the information of this target can be passed to other members immediately automatically, thereby realizes more quickly and easily cooperative cooperating, for example, several law enfrocement officials, when following the trail of suspect, realize real-time cooperative cooperating.
Fig. 7 illustrates the schematic diagram of head-mounted display apparatus according to another embodiment of the present invention.With reference to Fig. 7, a plurality of cameras 3 also can comprise the 5th (upside) camera 35.The 5th camera 35 is arranged on the upside of head-mounted display apparatus, takes, and the image information of shooting is sent to controller with the upper area to head-mounted display apparatus.
Fig. 8 is the control block diagram illustrating according to the automatic alarm of the head-mounted display apparatus of the embodiment of the present invention.Fig. 9 is the flow chart illustrating according to the automatic alarm of the head-mounted display apparatus of the embodiment of the present invention.
With reference to Fig. 9, in step 901, each camera catches the image information in orientation separately, and sends to controller.
In step 902, controller determines whether to send warning message to user according to the image information from camera.
In step 903, controller control loudspeaker 5 and/or LED lamp 6 send warning message to user.
By adopting head-mounted display apparatus of the present invention, the image information in each orientation of supervisory user, realizes auto-alarm function in real time, to protect user's personal safety; Also can real time record danger signal, dangerous person's image information etc., preserved evidence, for user provides convenience.
Although the present invention is described in detail and shows with reference to its exemplary embodiment, but will be understood by those skilled in the art that, in the situation that do not depart from the spirit and scope of the present invention that are defined by the claims, can carry out to it various changes of form and details.
Claims (10)
1. a head-mounted display apparatus, comprising:
Display screen;
A plurality of cameras, are arranged in the different azimuth of head-mounted display apparatus, and the zones of different of head-mounted display apparatus is taken to obtain image information;
Controller, receives image informations from described a plurality of cameras, and image information display, on display screen, and is determined whether to User Alarms according to the image information from camera.
2. head-mounted display apparatus according to claim 1, head-mounted display apparatus also comprises microphone, controller is sounded to user's warning message of sounding by controlling microphone.
3. head-mounted display apparatus according to claim 2, head-mounted display apparatus also comprises LED lamp, controller sends light and sends light warning information to user by controlling LED lamp.
4. head-mounted display apparatus according to claim 1, wherein, described a plurality of cameras comprise:
The first camera, is arranged on the front side of head-mounted display apparatus, the front area of head-mounted display apparatus is taken, and the image information of shooting is sent to controller;
Second camera, is arranged on the rear side of head-mounted display apparatus, the posterior region of head-mounted display apparatus is taken, and the image information of shooting is sent to controller;
The 3rd camera, is arranged on the left side of head-mounted display apparatus, the left field of head-mounted display apparatus is taken, and the image information of shooting is sent to controller;
The 4th camera, is arranged on the right side of head-mounted display apparatus, the right side area of head-mounted display apparatus is taken, and the image information of shooting is sent to controller.
5. head-mounted display apparatus according to claim 4, wherein, described a plurality of cameras also comprise: the 5th camera, is arranged on the upside of head-mounted display apparatus, upper area to head-mounted display apparatus is taken, and the image information of shooting is sent to controller.
6. head-mounted display apparatus according to claim 3, wherein, when being positioned at the object of the user's who wears head-mounted display apparatus a side and moving to user, if controller is according to determining that from the image information of corresponding camera the speed of described object is greater than predetermined threshold speed, controller control loudspeaker and/or LED lamp send warning message to user.
7. head-mounted display apparatus according to claim 3, head-mounted display apparatus also comprises: wireless communication unit, communicate by letter with remote server.
8. head-mounted display apparatus according to claim 7, wherein, controller compares the human face image information of a camera from described a plurality of cameras and the human face image information receiving from remote server by wireless communication unit,
If higher than predetermined matching degree threshold value, controller control loudspeaker and/or LED lamp send warning message to user from the matching degree between the human face image information of a camera in a plurality of cameras and the human face image information that receives from remote server by wireless communication unit.
9. head-mounted display apparatus according to claim 8, wherein, controller sends to remote server by wireless communication unit by the human face image information of from a plurality of cameras, with executor's face images match in remote server.
10. head-mounted display apparatus according to claim 7, wherein, controller sends to the image information of a camera from a plurality of cameras by wireless communication unit the wireless communication unit of other head-mounted display apparatus, or by wireless communication unit, via remote server, the image information of a camera from a plurality of cameras is sent to the wireless communication unit of other head-mounted display apparatus, to realize image information, share.
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| CN201410008313.1A CN103731659B (en) | 2014-01-08 | 2014-01-08 | head-mounted display apparatus |
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| CN201410008313.1A CN103731659B (en) | 2014-01-08 | 2014-01-08 | head-mounted display apparatus |
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| CN103941870A (en) * | 2014-04-21 | 2014-07-23 | 百度在线网络技术（北京）有限公司 | Head-mounted display device |
| CN105007424A (en) * | 2015-07-22 | 2015-10-28 | 深圳市万姓宗祠网络科技股份有限公司 | Automatic focusing system, method and wearable device based on eye tracking |
| CN106254852A (en) * | 2015-11-10 | 2016-12-21 | 深圳市拓丰源电子科技有限公司 | Image capture method, image-capturing apparatus and virtual reality strengthen system |
| WO2017092369A1 (en) * | 2015-12-03 | 2017-06-08 | 北京小鸟看看科技有限公司 | Head-mounted device, three-dimensional video call system and three-dimensional video call implementation method |
| CN106896917A (en) * | 2017-02-21 | 2017-06-27 | 北京小米移动软件有限公司 | Aid in method and device, the electronic equipment of Consumer's Experience virtual reality |
| US9773350B1 (en) | 2014-09-16 | 2017-09-26 | SilVR Thread, Inc. | Systems and methods for greater than 360 degree capture for virtual reality |
| CN107395981A (en) * | 2017-08-18 | 2017-11-24 | 太仓宏璟瑞远物业管理有限公司 | A kind of multimedia system played of photographing |
| CN108040247A (en) * | 2017-12-29 | 2018-05-15 | 湖南航天捷诚电子装备有限责任公司 | A kind of wear-type augmented reality display device and method |
| CN110197569A (en) * | 2018-11-19 | 2019-09-03 | 广东小天才科技有限公司 | A kind of safety monitoring method and wearable device based on wearable device |
| CN111175972A (en) * | 2019-12-31 | 2020-05-19 | Oppo广东移动通信有限公司 | Head-mounted display, scene display method thereof and storage medium |
| CN111491128A (en) * | 2019-01-25 | 2020-08-04 | 上海奥畅智能科技有限公司 | Security joint control system |
| CN112799504A (en) * | 2019-11-13 | 2021-05-14 | 精工爱普生株式会社 | Head-mounted display device, method for switching input modes, and recording medium |
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| CN108040247A (en) * | 2017-12-29 | 2018-05-15 | 湖南航天捷诚电子装备有限责任公司 | A kind of wear-type augmented reality display device and method |
| CN110197569A (en) * | 2018-11-19 | 2019-09-03 | 广东小天才科技有限公司 | A kind of safety monitoring method and wearable device based on wearable device |
| CN111491128A (en) * | 2019-01-25 | 2020-08-04 | 上海奥畅智能科技有限公司 | Security joint control system |
| CN111491128B (en) * | 2019-01-25 | 2021-11-30 | 上海奥畅智能科技有限公司 | Security joint control system |
| CN112799504A (en) * | 2019-11-13 | 2021-05-14 | 精工爱普生株式会社 | Head-mounted display device, method for switching input modes, and recording medium |
| CN112799504B (en) * | 2019-11-13 | 2023-06-02 | 精工爱普生株式会社 | Head mounted display device, input method switching method, and recording medium |
| CN111175972A (en) * | 2019-12-31 | 2020-05-19 | Oppo广东移动通信有限公司 | Head-mounted display, scene display method thereof and storage medium |
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Application publication date: 20140416 Assignee: Beijing Intellectual Property Management Co.,Ltd. Assignor: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY Co.,Ltd. Contract record no.: X2023110000098 Denomination of invention: Headworn display device Granted publication date: 20160330 License type: Common License Record date: 20230822 |