CN104349116A - Method and device for dividing functional region of screen of network video conference system - Google Patents
Method and device for dividing functional region of screen of network video conference system Download PDFInfo
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- CN104349116A CN104349116A CN201310339797.3A CN201310339797A CN104349116A CN 104349116 A CN104349116 A CN 104349116A CN 201310339797 A CN201310339797 A CN 201310339797A CN 104349116 A CN104349116 A CN 104349116A
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Abstract
The application discloses a method and a device for dividing functional regions of a screen of a network video conference system. The method comprises the following steps: acquiring a local user image and a remote user image; combining the acquired local user image and remote user image to a same background image in real time; dividing the region of the local user image as a private region and the region outside the region of the local user image and the region of the remote user image as a public region.
Description
Technical field
The application relates to the communications field, particularly relates to the screen function region partitioning method for Video Conference System and device.
Background technology
In recent years along with the high speed development of network, the user being in strange land by share desktop can show identical desktop in two places, and operation in same share desktop.
But in prior art said system, being transferred to share desktop and share desktop file for personal information, to be saved in local fluency not high enough, poor user experience.
Summary of the invention
The application aims to provide a kind of the screen function region partitioning method for Video Conference System and the device that improve Consumer's Experience.
An execution mode of the application provides a kind of screen function region partitioning method for Video Conference System, comprising:
Obtain local user's image and remote user image;
Obtained local user's image and remote user image are synthesized in same background image in real time; And
Being the home zone of local user by the Region dividing of described local user's image, is total region by the Region dividing outside the region of described local user's image and the region of described remote user image.
The application further embodiment provides a kind of screen function Region dividing device for Video Conference System, comprising:
Image acquisition unit, obtains local user's image and remote user image;
Image composing unit, is synthesized in same background image by obtained local user's image and remote user image in real time; And
The Region dividing of described local user's image is the home zone of local user by division unit, is total region by the Region dividing outside the region of described local user's image and the region of described remote user image.
According to the execution mode of the application, the image being in the participant of the network teleconference in strange land can be simultaneously displayed on each self-corresponding screen, and, can using the image-region of user self as home zone, and this home zone can make corresponding changes along with the dynamic of user, thus the telepresenc of participant in the network teleconference can be improved, promote Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the screen function region partitioning method 1000 for Video Conference System according to the embodiment of the present invention;
Fig. 2 is the screen function region partitioning method 2000 for Video Conference System according to the embodiment of the present invention;
Fig. 3 is the device 100 arranging virtual environment in Video Conference System according to the embodiment of the present invention;
Fig. 4 is the device 200 arranging virtual environment in Video Conference System according to the embodiment of the present invention.
Embodiment
The execution mode of the application is described in detail below in conjunction with accompanying drawing.
Fig. 1 is the screen function region partitioning method 1000 for Video Conference System according to the embodiment of the present invention.As shown in Figure 1, local user's image and remote user image is obtained in step s 110.In step S120, obtained local user's image and remote user image are synthesized in same background image in real time.Being the home zone of local user by the Region dividing of local user's image in step S130, is total region by the Region dividing outside the region of local user's image and the region of remote user image.
Fig. 2 is the screen function region partitioning method 2000 for Video Conference System according to the embodiment of the present invention.As shown in Figure 2, in S210, initialization is carried out to the background image that the network teleconference adopts.Select as one, step S210 can comprise:
Obtain the background image that the network teleconference adopts, wherein in background image, do not comprise the image of local user;
Background image is taken continuously to the two field picture of predetermined quantity; And
The briliancy mean value of the two field picture captured by calculating and briliancy mean value of amplitude.
Such as, caught by camera and do not have under user situation, this network teleconference to adopt background image.Such as, 100 two field pictures are taken continuously to background image, briliancy mean value and briliancy mean value of amplitude are calculated to 100 captured two field pictures.
In step S220, obtain the image comprising local user.
In step S230, binary conversion treatment is carried out to generate Mask image in real time to the obtained image comprising local user;
Select as one, step S230 can comprise: carry out binary conversion treatment by the briliancy mean value that obtains in background difference algorithm and initialization step and briliancy mean value of amplitude to the obtained image comprising local user, wherein, in the Mask image obtained, the health of user is shown as white, and other parts are black.
Select as one, also can carry out secondary outline identification to obtained Mask image:
Obtained Mask image draws the outline line of all white portions;
Choose the white image that the part of outline line encirclement is maximum; And
Region in outline line maximum for the part of encirclement is shown as white, and other regions are shown as black.
Such as, Mask image (health of user is shown as white, and other parts the are black) edge obtained by binary conversion treatment has some noises, affects final Images uniting display effect.The scheme of present embodiment carries out the method for secondary outline identification to the Mask image that binary conversion treatment obtains, Mask image draws the outline line of all white portions, choose outline line wherein and surround the maximum white image of part, this part is user's body part; Then be shown as white by this outline line, outside outline line, be shown as black, decrease the noise above image to greatest extent by the method.
In step S240, the user images obtained is sent to the terminal that other participants of the network teleconference are corresponding.
In step s 250, corresponding Mask image and the user images of terminal transmission corresponding to other participants is received.
In step S260, the Mask image corresponding with other participants that be local and that receive and user images are synthesized in real time on background image.
In step S270, being the home zone of local user by the Region dividing of local user's image, is total region by the Region dividing outside the region of local user's image and the region of remote user image.
In step S280, being the home zone of local user by the Region dividing of local user's image, is total region by the Region dividing outside the region of local user's image and the region of remote user image.
Pass through said method, the image being in the participant of the network teleconference in strange land can be simultaneously displayed on each self-corresponding screen, and, can using the image-region of user self as home zone, and this home zone can make corresponding changes along with the dynamic of user, thus the telepresenc of participant in the network teleconference can be improved, promote Consumer's Experience.
Fig. 3 is the device 100 arranging virtual environment in Video Conference System according to the embodiment of the present invention.Image acquisition unit 10, image composing unit 20 and division unit 30.Image acquisition unit 10 is for obtaining local user's image and remote user image.Obtained local user's image and remote user image are synthesized in same background image by image composing unit 20 in real time.The Region dividing of local user's image is the home zone of local user by division unit 30, is total region by the Region dividing outside the region of local user's image and the region of remote user image.
Fig. 4 is the device 400 arranging virtual environment in Video Conference System according to the embodiment of the present invention.The device 200 of this execution mode, except bag image acquisition unit 10, image composing unit 20 and division unit 30, also comprises graphics processing unit 40 and Transmit-Receive Unit 50.
Image acquisition unit 10, obtains the background image that the network teleconference adopts and the image comprising user.Graphics processing unit 40 pairs of background images carry out initialization, binary conversion treatment is carried out to generate Mask image in real time to the obtained image comprising user, Mask image and the image comprising user obtained are synthesized, with by the obtained background removal comprised in the image of user, thus obtain user images.User images is sent to terminal corresponding to other participants of the network teleconference by Transmit-Receive Unit 50, receives corresponding Mask image and user images that terminal corresponding to other participants send.The Mask image corresponding with other participants that be local and that receive and user images synthesize on background image by image composing unit 20 in real time.The Region dividing of local user's image is the home zone of local user by division unit 30, is total region by the Region dividing outside the region of local user's image and the region of remote user image.
Select as one, image acquisition unit 10 also for taking the two field picture of predetermined quantity continuously to background image, does not wherein comprise the image of user in background image.
Select as one, graphics processing unit 40 is also for calculating briliancy mean value and the briliancy mean value of amplitude of captured two field picture.
Select as one, graphics processing unit 40 also carries out binary conversion treatment for the briliancy mean value by obtaining in background difference algorithm and initialization step and briliancy mean value of amplitude to the obtained image comprising user, wherein, in the Mask image obtained, the health of user is shown as white, and other parts are black.
Select as one, graphics processing unit 40 also for drawing the outline line of all white portions on obtained Mask image, choose the white image that the part of outline line encirclement is maximum, the region in outline line maximum for the part of encirclement is shown as white, and other regions are shown as black.
These are only the preferred implementation of the application; not thereby the scope of the claims of the application is limited; every utilize present specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in the scope of patent protection of the application.
Claims (12)
1., for a screen function region partitioning method for Video Conference System, comprising:
Obtain local user's image and remote user image;
Obtained local user's image and remote user image are synthesized in same background image in real time; And
Being the home zone of local user by the Region dividing of described local user's image, is total region by the Region dividing outside the region of described local user's image and the region of described remote user image.
2. the method for claim 1, wherein described acquisition local user image comprises:
Initialization is carried out to the background image that the network teleconference adopts;
Obtain the image comprising local user; And
Binary conversion treatment is carried out to generate Mask image in real time to the obtained image comprising local user;
Described Mask image and the image comprising local user that obtains are carried out synthesis process, with by the obtained background removal comprised in the image of local user, thus obtain user images.
3. the method for claim 1, wherein describedly obtained local user's image and remote user image be synthesized to same background image in real time comprise:
The Mask image generated this locality and user images are synthesized on described background image in real time with the Mask image corresponding with other participants described received and user images.
4. method as claimed in claim 2, wherein, the described background image adopted the network teleconference carries out initialization and comprises:
Obtain the background image that the described network teleconference adopts, in wherein said background image, do not comprise the image of local user;
Described background image is taken continuously to the two field picture of predetermined quantity; And
The briliancy mean value of the two field picture captured by calculating and briliancy mean value of amplitude.
5. method as claimed in claim 2, wherein, describedly binary conversion treatment is carried out to the obtained image comprising local user comprise to generate Mask image in real time:
By the briliancy mean value that obtains in background difference algorithm and initialization step and briliancy mean value of amplitude, binary conversion treatment is carried out to the obtained image comprising local user, wherein, in the Mask image obtained, the health of described user is shown as white, and other parts are black.
6. method as claimed in claim 5, wherein, describedly binary conversion treatment is carried out to the obtained image comprising local user also comprise to generate Mask image in real time:
Obtained Mask image draws the outline line of all white portions;
Choose the white image that the part of outline line encirclement is maximum; And
Region in outline line maximum for the part of encirclement is shown as white, and other regions are shown as black.
7., for a screen function Region dividing device for Video Conference System, comprising:
Image acquisition unit, obtains local user's image and remote user image;
Image composing unit, is synthesized in same background image by obtained local user's image and remote user image in real time; And
The Region dividing of described local user's image is the home zone of local user by division unit, is total region by the Region dividing outside the region of described local user's image and the region of described remote user image.
8. device as claimed in claim 7, also comprises:
Graphics processing unit, initialization is carried out to described background image, binary conversion treatment is carried out to generate Mask image in real time to the obtained image comprising local user, described Mask image and the image comprising local user obtained are synthesized, with by the obtained background removal comprised in the image of local user, thus obtain user images;
Transmit-Receive Unit, is sent to the terminal that other participants of the described network teleconference are corresponding by described user images, receive corresponding Mask image and the user images of terminal transmission corresponding to other participants described.
9. device as claimed in claim 8, image composing unit is also for synthesizing generated Mask image and user images in real time at described background image with the Mask image corresponding with other participants described received and user images.
10. device as claimed in claim 8, described image acquisition unit is used for the two field picture described background image being taken continuously to predetermined quantity, does not comprise the image of local user in wherein said background image; And
Described graphics processing unit is for calculating briliancy mean value and the briliancy mean value of amplitude of captured two field picture.
11. devices as claimed in claim 8, described graphics processing unit also carries out binary conversion treatment for the briliancy mean value by obtaining in background difference algorithm and initialization step and briliancy mean value of amplitude to the obtained image comprising local user, wherein, in the Mask image obtained, the health of described user is shown as white, and other parts are black.
12. devices as claimed in claim 11, described graphics processing unit also for drawing the outline line of all white portions on obtained Mask image, choose the white image that the part of outline line encirclement is maximum, region in outline line maximum for the part of encirclement is shown as white, and other regions are shown as black.
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Cited By (1)
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