CN102158680A - Telephone conference terminal with visualization function - Google Patents
Telephone conference terminal with visualization function Download PDFInfo
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- CN102158680A CN102158680A CN2010101118110A CN201010111811A CN102158680A CN 102158680 A CN102158680 A CN 102158680A CN 2010101118110 A CN2010101118110 A CN 2010101118110A CN 201010111811 A CN201010111811 A CN 201010111811A CN 102158680 A CN102158680 A CN 102158680A
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Abstract
The invention discloses a telephone conference terminal with a visualization function, and the telephone conference terminal provided by the invention comprises a shooting unit, a central positioning unit, a dimension determining unit, an angle rotating unit and a vertical position adjusting unit, wherein the central positioning unit is used for determining the center of the image shot by the shooting unit; the dimension determining unit is used for determining the upper, lower, left and right shooting dimensions of the center of the shot image; the angle rotating unit is used for controlling the rotating angle of the shooting light path of the shooting unit around a horizontal shaft, thus the shooting unit shoots the front images of the faces of users; the vertical position adjusting unit is used for controlling the motion range of the shooting light path in a vertical two-dimensional plane; the front image data of the shot users is sent to a microcontroller through the shooting unit; and the microcontroller sends the video image data through a communication unit. The telephone conference terminal disclosed by the invention can be used for automatically shooting the front images of conferees, the shot images comprising the face images of the conferees enable the conferee images which are shot in a telephone conference to have stability, and the conferees can see the face expression of each conferee to understand more information of the conference.
Description
Technical field
The present invention relates to a kind of teleconferencing terminal, relate in particular to a kind of visual teleconferencing terminal.
Background technology
Communication system often need provide teleconference device, is shared by three or more users to permit a call.In a known system, first user, or host ask a videoconference by calling out a teleconference device, and are date and time of this videoconference appointment.Then, a telephone crosstalk number is assigned to this videoconference, and notifies this host in order to this number assignment is given other participant.In the time of agreement, participants dial this telephone number, to participate in this meeting.Participants also can be assigned with a password, so that the access of meeting is limited on the user who is selected by the host.
Be based upon TeleConference Bridge on telephone system or the network system develop into visual because the communication of people in meeting more wished to understand participant's expression to get access to more information.
Visual teleconferencing terminal under the prior art comprises that mobile phone, computer etc. comprise the terminal of camera head, but the shooting that the terminal under the prior art can only be static and record participant's state, and when the participant departed from, recording also can only be the image that departs from.Meeting is a kind of serious occasion, so need obtain the face-image of participant's standard.
Therefore, there is defective in prior art, needs further improvement and develops.
Summary of the invention
The object of the present invention is to provide a kind of teleconferencing terminal with visualization function, make terminal can take the direct picture of participant's standard, the direct picture of this standard also comprises participant's face-image, satisfies the serious demand of meeting.
Technical scheme of the present invention is as follows:
A kind of teleconferencing terminal with visualization function comprises microcontroller, and wherein, described teleconferencing terminal also comprises:
Image unit;
Determine the centralized positioning unit at described image unit photographic images center;
According to the photographic images center, determine the size determining unit of upper and lower, left and right, photographic images center shooting size;
According to the angle of the positive rotation of user, the shooting light path of controlling described image unit makes described image unit take the angle rotary unit that comprises facial direct picture around the horizontal rotational shaft respective angles;
According to moving of photographic images center, control the vertical position regulon that described shooting light path moves at vertical two dimensional surface;
Described image unit sends to described microcontroller with the direct picture data of taking; With microphone the voice data of recording is sent to described microcontroller; Described microcontroller sends to TeleConference Bridge with vedio data and the voice data that receives by communication unit; Described communication unit receives the data in the conference call channel in the communication network, by the video image of display screen demonstration videoconference, by loudspeaker plays sound
Described teleconferencing terminal, wherein, described communication network is a telephone network, described communication unit is a phonecard.
Described teleconferencing terminal, wherein, described communication network is an Ethernet, described communication unit is a wireless network card.
Described teleconferencing terminal, wherein, described communication unit includes wired network interface.
Described teleconferencing terminal, wherein, described image unit also comprises the cache module that is used for the view data buffer memory.
Described teleconferencing terminal, wherein, described centralized positioning unit with user's nose, face or forehead as the photographic images center.
Described teleconferencing terminal, wherein, meeting person's whole body image, the perhaps above direct picture of participant's chest are determined in described sizing unit.
Described teleconferencing terminal, wherein, the photographic images size that described sizing unit is determined is with the size of certificate photograph.
Described teleconferencing terminal, wherein, described angle rotary unit comprises detecting module, described detecting module surveys whether photographic images is direct picture, surveys photographic images and the plan view number of degrees as angle.
Described teleconferencing terminal, wherein, described detecting module to the distance between the camera, determines that the participant faces the image of camera and the angle between the horizontal direction according to the variation of fixing shade between 2 on the image or direct detection at 2.
Described teleconferencing terminal, wherein, described centralized positioning unit, size determining unit, angle rotary unit, vertical position regulon are connected on the described microcontroller.
Described teleconferencing terminal, wherein, described centralized positioning unit, size determining unit, angle rotary unit, vertical position regulon are connected on the described camera, are integrated in described image unit.
Described teleconferencing terminal, wherein, described image unit separates setting with described teleconferencing terminal.
Described teleconferencing terminal, wherein, described image unit is connected by prolonging data wire with described microcontroller.
Described teleconferencing terminal, wherein, described image unit and described microcontroller carry out transfer of data by wireless mode.
Described teleconferencing terminal wherein, also comprises identity authenticating unit.
Compared with prior art, the invention provides teleconferencing terminal with visualization function, this teleconferencing terminal can automatically snap participant's direct picture, and the image person of being bound to who takes comprises face-image, this teleconferencing terminal is adjusted light path automatically with participant's skew, and the scope of taking determines that participant's image that videoconference is photographed has stability, the participant can see each participant's facial expression, to recognize the more information of meeting.
Description of drawings
Fig. 1 is the functional structure chart of first embodiment of teleconferencing terminal of the present invention;
Fig. 2 is the functional structure chart of second embodiment of teleconferencing terminal of the present invention;
The participant front head portrait schematic diagram that Fig. 3 takes for teleconferencing terminal of the present invention;
Fig. 4 is the structural representation of teleconferencing terminal authentication of the present invention unit.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in further detail.
Visual teleconferencing terminal provided by the invention comprises that mobile phone, palmtop PC, MP4, MP5, notebook computer, desktop computer etc. have the multimedia playing apparatus of display screen.
As shown in Figure 1, teleconferencing terminal 100 of the present invention comprises: microcontroller 110; Image unit 150, the vedio data that comprises user's face-image that described image unit 150 will be taken sends to described microcontroller 110; The microphone of recording user voice sends to described microcontroller 110 with user's voice data; Described microcontroller 110 sends to TeleConference Bridge by communication unit 170 after passing through the vedio data and voice data buffer memory of buffer unit 120 with reception; Described communication unit 170 receives the data in the conference call channel in the videoconference communication network, and the video image by display screen 140 demonstration videoconferences plays to the user by loud speaker 160.Described display screen 140 comprises LCD display.
Described communication network is a telephone network, and described communication unit 170 can be a phonecard, as SIM card; Described communication network is an Ethernet, and described communication unit 170 can be a wireless network card, and described communication unit 170 can also include wired network interface.
Described centralized positioning unit 152 can be with user's nose, face or forehead as the photographic images center.
Described size determining unit 153 is according to the photographic images center of determining, to determine the shooting size of upper and lower, left and right, photographic images center, as shown in Figure 3.Described sizing unit 153 can determine to stand host's whole body image, the above direct picture of the spokesman's who perhaps is seated chest, the picture size that described sizing unit 153 is determined is included user's face-image; When gathering the above direct picture of chest, if be the photographic images center with people's nose, described sizing unit 153 determines with the nose to be the center Acm that makes progress, and is center Bcm to the right with the nose, with the downward Ccm of nose; Described A, B, three numerical value of C are fixed, and have determined that with the shooting center be the scope that the center will be taken.
Described angle rotary unit 154 surveys by detecting module whether photographic images is direct picture, and how many angles of photographic images and direct picture is.Concrete, described detecting module according to the variation of fixing shade between 2 on the image or by 2 of Infrared or direct detection of lasers to the distance between the camera, detect 2 distances in the horizontal direction, be positioned at the straight line fixed on 2 and the angle of horizontal direction thereby detect.Described detecting module is fixed the angle of 2 place straight lines and horizontal direction by photographic images, determines that the participant faces the image of camera and the angle between the horizontal direction.The angle number of degrees that described angle rotary unit 154 is surveyed according to described detecting module are controlled the rotation that described shooting light path 151 is done respective angles, make described camera photograph participant's direct picture.
When being moved of participant, described shooting center also can corresponding mobile, described vertical position regulon 155 is according to the skew at described shooting center, control described light path and do moving of upper and lower, left and right, thereby the center of shooting light path 151 and shooting center are overlapped, guarantee that described image unit 150 photographs whole body image or the above standard picture of user's chest that the user fixes.The above standard picture of user's chest can be measure-alike with the standard picture that certificate photograph uses.
Centralized positioning of the present invention unit 152, size determining unit 153, angle rotary unit 154, vertical position regulon 155 can be connected on the described microcontroller 110, accelerate the speed of service of described each unit, as shown in Figure 1.
Centralized positioning of the present invention unit 152, size determining unit 153, angle rotary unit 154, vertical position regulon 155 can be connected on the described camera, be integrated in described image unit 150, as shown in Figure 2, the projecting apparatus that has teleconferencing terminal 200.Described communication unit 170 can be connected described microcontroller 110 by described buffer unit 120.
Described teleconferencing terminal 100 of the present invention or teleconferencing terminal 200 also comprise power subsystem 140, are each module for power supply.
Described image unit 150 and described teleconferencing terminal can be wholely set, and can also separate setting.Described image unit 150 separates with described teleconferencing terminal when being provided with, and described image unit 150 is connected by the data wire that can prolong with described microcontroller 110; Described image unit 150 and described microcontroller 110 can also carry out transfer of data with wireless mode, comprise Bluetooth technology, Wireless USB technology etc.Described image unit 150 can independently be fixed on other object, removes the fatigue that the hand-held described teleconferencing terminal of user brings from, has also increased the stability of photographic images.
The buffer unit 120 of teleconferencing terminal 100 of the present invention or teleconferencing terminal 200 can also be built in described microcontroller 110, as shown in Figure 4.In order to guarantee the fail safe of videoconference, described teleconferencing terminal also comprises the identity authenticating unit 171 that is arranged between described communication unit 170 and the microcontroller 110.Described identity authenticating unit 171 can also directly be connected on the described microcontroller 110.The user can be to described identity authenticating unit 171 by operation control unit 130 input passwords, after authentication is passed through, communication channel between described communication unit 170 and the described microcontroller 110 is communicated with, described microcontroller 110 can send to participant's each side by described communication channel with described image unit 150 shot image data and the voice data of recording, and also can receive the shot image data of participant each side and the voice data of recording.
Described teleconferencing terminal can be taken the image of the positive fixed dimension of participant, comprises the front elevation of participant's whole body that front elevation that chest is above or photographer comprise face-image.What teleconferencing terminal provided by the invention was taken is participant's front elevation, and comprise the image of the fixed range of participant's face, can satisfy videoconference and understand the needs of participant's facial expression, and unified videoconference shooting participant's image range, make videoconference can satisfy the serious demand of meeting.
Should be understood that above-mentioned statement at preferred embodiment of the present invention is comparatively detailed, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claims.
Claims (16)
1. the teleconferencing terminal with visualization function comprises microcontroller, it is characterized in that, described teleconferencing terminal also comprises:
Image unit;
Determine the centralized positioning unit at described image unit photographic images center;
According to the photographic images center, determine the size determining unit of upper and lower, left and right, photographic images center shooting size;
According to the angle of the positive rotation of user, the shooting light path of controlling described image unit makes described image unit take the angle rotary unit that comprises facial direct picture around the horizontal rotational shaft respective angles;
According to moving of photographic images center, control the vertical position regulon that described shooting light path moves at vertical two dimensional surface;
Described image unit sends to described microcontroller with the direct picture data of taking; With microphone the voice data of recording is sent to described microcontroller; Described microcontroller sends to TeleConference Bridge with vedio data and the voice data that receives by communication unit; Described communication unit receives the data in the conference call channel in the communication network, by the video image of display screen demonstration videoconference, by loudspeaker plays sound.
2. teleconferencing terminal according to claim 1 is characterized in that described communication network is a telephone network, and described communication unit is a phonecard.
3. teleconferencing terminal according to claim 1 is characterized in that described communication network is an Ethernet, and described communication unit is a wireless network card.
4. teleconferencing terminal according to claim 3 is characterized in that described communication unit includes wired network interface.
5. teleconferencing terminal according to claim 1 is characterized in that described image unit also comprises the cache module that is used for the view data buffer memory.
6. teleconferencing terminal according to claim 1 is characterized in that, described centralized positioning unit with user's nose, face or forehead as the photographic images center.
7. teleconferencing terminal according to claim 1 is characterized in that, meeting person's whole body image, the perhaps above direct picture of participant's chest are determined in described sizing unit.
8. teleconferencing terminal according to claim 7 is characterized in that, the photographic images size that described sizing unit is determined is with the size of certificate photograph.
9. teleconferencing terminal according to claim 1 is characterized in that, described angle rotary unit comprises detecting module, and described detecting module surveys whether photographic images is direct picture, surveys photographic images and the plan view number of degrees as angle.
10. teleconferencing terminal according to claim 9, it is characterized in that, described detecting module according to the variation of fixing shade between 2 on the image or by 2 of Infrared or direct detection of lasers to the distance between the camera, determine that the participant faces the image of camera and the angle between the horizontal direction.
11. teleconferencing terminal according to claim 1 is characterized in that, described centralized positioning unit, size determining unit, angle rotary unit, vertical position regulon are connected on the described microcontroller.
12. teleconferencing terminal according to claim 1 is characterized in that, described centralized positioning unit, size determining unit, angle rotary unit, vertical position regulon are connected on the described camera, are integrated in described image unit.
13. teleconferencing terminal according to claim 1 is characterized in that, described image unit separates setting with described teleconferencing terminal.
14. teleconferencing terminal according to claim 13 is characterized in that, described image unit is connected by prolonging data wire with described microcontroller.
15. teleconferencing terminal according to claim 13 is characterized in that, described image unit and described microcontroller carry out transfer of data by wireless mode.
16. teleconferencing terminal according to claim 1 is characterized in that, also comprises identity authenticating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101118110A CN102158680A (en) | 2010-02-11 | 2010-02-11 | Telephone conference terminal with visualization function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101118110A CN102158680A (en) | 2010-02-11 | 2010-02-11 | Telephone conference terminal with visualization function |
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| CN102158680A true CN102158680A (en) | 2011-08-17 |
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| CN2010101118110A Pending CN102158680A (en) | 2010-02-11 | 2010-02-11 | Telephone conference terminal with visualization function |
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| WO2012155732A1 (en) * | 2011-08-19 | 2012-11-22 | 中兴通讯股份有限公司 | Mobile terminal and method for realizing remote conference based on mobile terminal |
| CN103167263A (en) * | 2011-12-15 | 2013-06-19 | 联想(北京)有限公司 | Collected image processing method and electronic equipment |
| CN103486997A (en) * | 2012-06-13 | 2014-01-01 | 鸿富锦精密工业（深圳）有限公司 | Lens shooting range determining method and system |
| CN104301659A (en) * | 2014-10-24 | 2015-01-21 | 四川省科本哈根能源科技有限公司 | Multipoint video converging and recognition system |
| US9449583B2 (en) | 2011-12-15 | 2016-09-20 | Lenovo (Beijing) Co., Ltd. | Control method and electronic apparatus |
| CN109194918A (en) * | 2018-09-17 | 2019-01-11 | 东莞市丰展电子科技有限公司 | A kind of camera system based on mobile vehicle |
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| WO2012155732A1 (en) * | 2011-08-19 | 2012-11-22 | 中兴通讯股份有限公司 | Mobile terminal and method for realizing remote conference based on mobile terminal |
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| CN104301659A (en) * | 2014-10-24 | 2015-01-21 | 四川省科本哈根能源科技有限公司 | Multipoint video converging and recognition system |
| CN109194918A (en) * | 2018-09-17 | 2019-01-11 | 东莞市丰展电子科技有限公司 | A kind of camera system based on mobile vehicle |
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Application publication date: 20110817 |