CN105430522A - Method and device for switching cameras of smart television control terminal - Google Patents

Method and device for switching cameras of smart television control terminal Download PDF

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Publication number
CN105430522A
CN105430522A CN201510833719.8A CN201510833719A CN105430522A CN 105430522 A CN105430522 A CN 105430522A CN 201510833719 A CN201510833719 A CN 201510833719A CN 105430522 A CN105430522 A CN 105430522A
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China
Prior art keywords
camera
terminal
intelligent television
value
image
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Granted
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CN201510833719.8A
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Chinese (zh)
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CN105430522B (en
Inventor
王云华
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Shenzhen TCL New Technology Co Ltd
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Shenzhen TCL New Technology Co Ltd
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Priority to CN201510833719.8A priority Critical patent/CN105430522B/en
Publication of CN105430522A publication Critical patent/CN105430522A/en
Priority to PCT/CN2016/084638 priority patent/WO2017088437A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/478Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4788Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80Camera processing pipelines; Components thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/141Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142Constructional details of the terminal equipment, e.g. arrangements of the camera and the display

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Studio Devices (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The invention discloses a method for switching cameras of a smart television control terminal. The method comprises the following steps: obtaining a request command of video chat sent by a cloud by a smart television; opening a camera of a terminal associated with the smart television in a current wireless network according to the request command of the video chat, and sending the request command of the video chat to the associated terminal; obtaining pixel points of central areas of images captured by the cameras of the terminal; obtaining the camera corresponding to the image whose pixel value of the pixel point of the central area is larger than a preset pixel value; and using the obtained camera as the initial camera of the video chat of the terminal. The invention further discloses a device for switching the cameras of the smart television control terminal. The method and the device disclosed by the invention are used for switching mobile terminal cameras by smart television control mobile terminals, so as to shorten the switching durations of the terminal cameras and improve the switching accuracy of the terminal cameras.

Description

Intelligent television control terminal camera changing method and device
Technical field
The present invention relates to intelligent television technical field, particularly relate to a kind of intelligent television control terminal camera changing method and device.
Background technology
Along with the high speed development of intelligent television technology, carry out Video chat by intelligent television to become more and more popular, user only to need in face of the camera of intelligent television just can with the relatives and friends' Video chat of oneself, meanwhile, increasing user also wishes that the camera automatically being controlled mobile terminal by intelligent television realizes carrying out Video chat on mobile terminals.Such as, user is in while see TV, cooks, and two hands are not had leisure, mobile phone leans against on metope, front-facing camera has been blocked camera by desk, post-positioned pick-up head just to user, now, another one user initiates the request of Video chat, need user manually to remove the camera of switch mobile phone, therefore, reduce the Experience Degree of user.
Current mobile terminal principal and subordinate camera changing method comprises: first, opens the front-facing camera of mobile terminal and post-positioned pick-up head, and front-facing camera gathers facial image, duplicate test the position of human eye recorded in each facial image; Then, the position of human eye according to record judges whether human eye watches front-facing camera attentively, and whether the duration judging people's eye fixation front-facing camera is n times that gathers the facial image cycle, if so, then controls post-positioned pick-up head and switches to front-facing camera.
The method switches although can realize mobile terminal principal and subordinate camera, but be whether the switching that the n gathering the facial image cycle doubly determines camera by the duration that judges people's eye fixation front-facing camera, extend the switching time of terminal camera, and reduce the accuracy of terminal camera switching.
Foregoing, only for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Main purpose of the present invention is to provide a kind of intelligent television control terminal camera changing method and device, and the switching time of being intended to solve terminal camera is long, the problem that the accuracy that terminal camera switches is low.
For achieving the above object, a kind of intelligent television control terminal camera changing method provided by the invention, comprising:
Intelligent television obtains the request command of the Video chat that high in the clouds sends;
Open the camera with intelligent television associated terminal in active wireless network according to the request command of described Video chat, and the request command of described Video chat is sent to described associated terminal;
Obtain the central area pixel of the image that each camera of described terminal catches;
The pixel value obtaining described central area pixel is greater than camera corresponding to the image of presetted pixel value;
Using the initial camera that the described camera obtained is chatted as described terminal video.
Preferably, before the step of the central area pixel of the image that each camera of the described terminal of described acquisition catches, described intelligent television control terminal camera changing method also comprises step:
Judge whether described terminal has angle to change in vertical direction;
When described terminal has angle to change in vertical direction, obtain described terminal angle changing value in vertical direction;
If described angle changing value is in the first preset range, then the initial camera of described terminal is set to front-facing camera;
If described angle changing value is in the second preset range, then the initial camera of described terminal is set to post-positioned pick-up head;
When described terminal does not have angle to change in vertical direction, perform the step of the central area pixel of the image that each camera of the described terminal of described acquisition catches.
Preferably, after the step of described initial camera of being chatted as described terminal video by the described camera obtained, described intelligent television control terminal camera changing method also comprises step:
When determining that described terminal has angle to change in vertical direction, obtain described terminal angle changing value in vertical direction;
If described angle changing value is in described first preset range, then the initial camera of described terminal is set to front-facing camera;
If described angle changing value is in described second preset range, then the initial camera of described terminal is set to post-positioned pick-up head.
Preferably, the camera step that the pixel value of described acquisition described central area pixel is greater than the image of presetted pixel value corresponding comprises:
Obtain R, G, B value of the central area pixel of the image that each camera of described terminal catches, and carry out mean value calculation;
Determine that the mean value of R, G, B value of central area pixel is greater than the image of preset value;
Obtain the camera that described image is corresponding.
Preferably, the step of the camera of the terminal associated with intelligent television in the described unlatching of the request command according to described Video chat active wireless network comprises:
Detect in the wireless network at intelligent television place and whether there is terminal;
When terminal being detected, judge whether described terminal associates with described intelligent television;
When described terminal associates with described intelligent television, open camera that is described and intelligent television associated terminal.
In addition, for achieving the above object, the present invention also provides a kind of intelligent television control terminal camera switching device shifter, comprising:
First acquisition module, for obtaining the request command of the Video chat that high in the clouds sends;
Start module, for opening the camera with intelligent television associated terminal in active wireless network according to the request command of described Video chat, and the request command of described Video chat is sent to described associated terminal;
Capture module, for obtaining the central area pixel of the image that each camera of described terminal catches;
Comparing module, the pixel value for obtaining described central area pixel is greater than camera corresponding to the image of presetted pixel value;
Determination module, for the initial camera of being chatted as described terminal video by the described camera obtained.
Preferably, described intelligent television control terminal camera switching device shifter also comprises:
Judge module, for judging whether described terminal has angle to change in vertical direction;
Second acquisition module, during for having angle to change in vertical direction in described terminal, obtains described terminal angle changing value in vertical direction;
First arranges module, if for described angle changing value in the first preset range, then the initial camera of described terminal is set to front-facing camera;
Second arranges module, if for described angle changing value in the second preset range, then the initial camera of described terminal is set to post-positioned pick-up head.
3rd acquisition module, during for not having angle to change in vertical direction in described terminal, obtains the central area pixel of the image that each camera of described terminal catches.
Preferably, described intelligent television control terminal camera switching device shifter also comprises:
4th acquisition module, for when determining that described terminal has angle to change in vertical direction, obtains described terminal angle changing value in vertical direction;
3rd arranges module, if for described angle changing value in described first preset range, then the initial camera of described terminal is set to front-facing camera;
4th arranges module, if for described angle changing value in described second preset range, then the initial camera of described terminal is set to post-positioned pick-up head.
Preferably, described comparing module comprises:
Acquiring unit, for obtaining R, G, B value of the central area pixel of the image that each camera of described terminal catches, and carries out mean value calculation;
Comparing unit, the mean value for R, G, B value determining central area pixel is greater than the image of preset value;
Determining unit, for obtaining camera corresponding to described image.
Preferably, described startup module comprises:
Detecting unit, for detect intelligent television place wireless network in whether there is terminal;
Judging unit, for when terminal being detected, judges whether described terminal associates with described intelligent television;
Start unit, for when described terminal associates with described intelligent television, opens camera that is described and intelligent television associated terminal.
The present invention obtains the request command of the Video chat that high in the clouds sends by intelligent television, opens the camera with intelligent television associated terminal in active wireless network according to the request command of described Video chat.After described associated terminal receives Video chat request command, obtain the central area pixel of the image that each camera of associated terminal catches, and the pixel value obtaining described central area pixel is greater than camera corresponding to the image of presetted pixel value, using the initial camera that the described camera obtained is chatted as described terminal video, therefore, the switching time that can solve camera is long, the problem that the accuracy that terminal camera switches is low.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the first embodiment of intelligent television control terminal camera changing method of the present invention;
Fig. 2 is the schematic flow sheet of the second embodiment of intelligent television control terminal camera changing method of the present invention;
Fig. 3 is the schematic flow sheet of the 3rd embodiment of intelligent television control terminal camera changing method of the present invention;
Fig. 4 be the pixel value obtaining described central area pixel in the 4th embodiment of intelligent television control terminal camera changing method of the present invention be greater than camera corresponding to the image of presetted pixel value refinement schematic flow sheet;
Fig. 5 is the refinement schematic flow sheet of the camera opening the terminal associated with intelligent television in active wireless network in the 5th embodiment of intelligent television control terminal camera changing method of the present invention according to the request command of described Video chat;
Fig. 6 is the high-level schematic functional block diagram of the first embodiment of intelligent television control terminal camera switching device shifter of the present invention;
Fig. 7 is the high-level schematic functional block diagram of the second embodiment of intelligent television control terminal camera switching device shifter of the present invention;
Fig. 8 is the high-level schematic functional block diagram of the 3rd embodiment of intelligent television control terminal camera switching device shifter of the present invention;
Fig. 9 is the refinement high-level schematic functional block diagram of comparing module in the 4th embodiment of intelligent television control terminal cam device of the present invention;
Figure 10 is the refinement high-level schematic functional block diagram starting module in the 5th embodiment of intelligent television control terminal cam device of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Based on the problems referred to above, the invention provides a kind of intelligent television control terminal camera changing method.
With reference to the schematic flow sheet that Fig. 1, Fig. 1 are the first embodiment of intelligent television control terminal camera changing method of the present invention.
In the present embodiment, described intelligent television control terminal camera changing method comprises:
Step S10, intelligent television obtains the request command of the Video chat that high in the clouds sends;
In the present embodiment, the request command originating end of Video chat initiates the request command of Video chat to certain request command receiving terminal, first described request order sends to high in the clouds application server by network, the request command of the Video chat received is sent to intelligent television equipment by described high in the clouds application server, and described intelligent television obtains the request command of high in the clouds Video chat.The request command of described high in the clouds chat comprises that high in the clouds request chat indicates, the title of corresponding device, video format and audio format etc.
Step S20, opens the camera with intelligent television associated terminal in active wireless network according to the request command of described Video chat, and the request command of described Video chat is sent to described associated terminal;
Described intelligent television associates with terminal in advance, receive the request command of the Video chat that high in the clouds sends at described intelligent television after, the request command of described Video chat is sent to the terminal associated by described intelligent television by wireless network, the described terminal associated is after the described Video chat request command of acquisition, open the camera of local terminal, and to the notice that intelligent television feedback local terminal camera has been opened; Or the described terminal associated is after the described Video chat request command of acquisition, and the camera of the terminal associated described in intelligent television controls is opened.Described camera comprises the external camera on preposition, post-positioned pick-up head or terminal equipment.
Those skilled in the art are understandable that intelligent television and the terminal associated belong to a wireless network.
Step S30, obtains the central area pixel of the image that each camera of described associated terminal catches;
After the described camera associated is opened, described camera catches the still image of video flowing, and obtains the still image of described video flowing; Or after the described camera associated is opened, described camera enters preview mode of taking pictures, and gets the acquisition parameters of current camera photographic subjects, according to acquisition parameters automatic shooting preview image.Described acquisition parameters comprises the hardware parameter of current shooting scope, shooting distance, preposition and post-positioned pick-up head.Described shooting preview image/still image is certain size, as the RGB mode image of 1280*960.The central area pixel of described image can be understood as after the described shooting preview image/still image of shooting is of a size of the RGB mode image of 1280*960, obtain the pixel in the image in described picture centre region, such as, after photographing a preview image/still image and being of a size of the RGB mode image of 1280*960, resolve described image, obtain the pixel in described image, pixels all in described image is being divided into 100 parts, obtain certain a pixel being positioned at described picture centre region, determine that described pixel is the central area pixel of the image that camera catches.The size of described central area can be the size of default setting.
After getting described shooting preview image/still image, obtain the pixel of the central area of described shooting preview image/still image, and the central area pixel of described shooting preview image/still image is resolved.
Step S40, the pixel value obtaining described central area pixel is greater than camera corresponding to the image of presetted pixel value;
After the central area pixel of described shooting preview image/still image is resolved, obtain the pixel value of described central area pixel.Described pixel value comprises Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) three kinds of pixel values.When arranging Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) is greater than the value of 90% of pixel coverage, the color of the pixel that the region representation of described 0-255 gets is from dark to bright, such as, the pixel value of present image central area pixel is 200, represents that current pixel value is white bright color; When arranging Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) is less than the value of 10% of pixel coverage, the color of the pixel that the region representation of described 0-255 gets is from dark to bright, such as, the pixel value of present image central area pixel is 20, represents that current pixel value is grey black numerical value.
After the camera unlatching of this associated terminal, absorb a pictures, get the pixel in this center picture region, the pixel value of the pixel value of the pixel in this center picture region with the pixel of the central area of presetting is compared, judges whether the current camera called is blocked.When the pixel value of this central area pixel is greater than presetted pixel value, the camera of the image of the pixel value of this central area pixel is not blocked.
Step S50, using the initial camera that the described camera obtained is chatted as described terminal video.
After judging that current pixel value is the value of brilliant white color, thus not being blocked of this camera can be judged, using the initial camera that the described camera of described acquisition is chatted as described terminal video.
The present embodiment obtains the request command of the Video chat that high in the clouds sends by intelligent television, opens the camera with intelligent television associated terminal in active wireless network according to the request command of described Video chat.After described associated terminal receives Video chat request command, obtain the central area pixel of the image that each camera of associated terminal catches, and the pixel value obtaining described central area pixel is greater than camera corresponding to the image of presetted pixel value, using the initial camera that the described camera obtained is chatted as described terminal video, therefore, the switching time that can solve camera is long, the problem that the accuracy that terminal camera switches is low.
Further, based on described first embodiment, propose the second embodiment of intelligent television control terminal camera changing method of the present invention, in the present embodiment, with reference to Fig. 2, before above-mentioned steps S30, the method also comprises:
Step S60, judges whether described terminal has angle to change in vertical direction;
In the present embodiment, intelligent television is after the request command receiving described Video chat, and intelligent television opens end sensor direction processing module, to carry out the camera of switching terminal equipment based on user operation instruction.After intelligent television opens end sensor direction processing module, detect current described terminal equipment angle in vertical direction and whether change.
Step S70, when described terminal has angle to change in vertical direction, obtains described terminal angle changing value in vertical direction;
In the present embodiment, after intelligent television opens end sensor direction processing module, detect user pick up or rotate described in the terminal that associated, when judging that current described terminal equipment angle in vertical direction changes, obtain described terminal angle changing value in vertical direction.
Step S80, if described angle changing value is in the first preset range, is then set to front-facing camera by the initial camera of described terminal;
When described angle changing value is in the first preset range, namely when by end sensor, intelligent television detects that terminal equipment has 0-90 degree to change in Y-axis, described terminal has the change of 0-90 degree to represent that user picks up or turn-over terminal equipment in Y-axis, Y-axis there is 0-90 degree change described terminal, then the initial camera of described terminal is set to front-facing camera.
Step S90, if described angle changing value is in the second preset range, is then set to post-positioned pick-up head by the initial camera of described terminal.
When described angle changing value is in the second preset range, namely when by end sensor, intelligent television detects that terminal equipment has 90-180 degree to change in Y-axis, Y-axis there is 90-180 degree change described terminal, then the initial camera of described terminal is set to post-positioned pick-up head.
When described terminal does not have angle to change in vertical direction, perform described S30, i.e. the central area pixel of the image of each camera of the described terminal of described acquisition seizure.
When detecting that described terminal does not have angle to change in vertical direction, the terminal that can judge not have user to pick up or associate described in rotating, therefore, by obtaining the central area pixel of the image that each camera of described terminal catches, and when the pixel value of described central area pixel is greater than presetted pixel value, obtain the initial camera that camera corresponding to the image of presetted pixel value is chatted as described terminal video.
The present embodiment, by judging the situation that described terminal does not have angle in vertical direction and changes, performs the step of the central area pixel of the image of each camera of the described terminal of described acquisition seizure.Due to described terminal do not have angle to change in vertical direction time, different schemes can be performed by the change of described angle and switch camera, the terminal not having user to pick up or rotate described association can be judged, comprise: when described terminal does not have angle to change in vertical direction, by obtaining the central area pixel of the image that each camera of described terminal catches, and when the pixel value of described central area pixel is greater than presetted pixel value, obtain the initial camera that camera corresponding to the image of presetted pixel value is chatted as described terminal video; When described terminal has angle to change in vertical direction, obtain described terminal angle changing value in vertical direction, and the current camera carrying out Video chat is set according to described angle changing value.Therefore the camera given tacit consent to for screen chat can be set by opening camera acquisition image, thus the accuracy that raising camera switches.
Further, based on described second embodiment, propose the 3rd embodiment of intelligent television control terminal camera changing method of the present invention, in the present embodiment, with reference to Fig. 3, after above-mentioned steps S50, the method comprises:
Step S100, when determining that described terminal has angle to change in vertical direction, obtains described terminal angle changing value in vertical direction;
In the present embodiment, after intelligent television opens end sensor direction processing module, detect user pick up or rotate described in the terminal that associated, judge current described terminal equipment angle changing value in vertical direction, and obtain described terminal angle changing value in vertical direction.Such as, after this terminal equipment has got initial camera, the sensor orientation processing module on this terminal equipment detects angular rate signal again, obtains this terminal angle changing value in vertical direction.
Step S200, if described angle changing value is in described first preset range, is then set to front-facing camera by the initial camera of described terminal;
When described angle changing value is in the first preset range, namely when by end sensor, intelligent television detects that terminal equipment has 0-90 degree to change in Y-axis, described terminal has the change of 0-90 degree to represent that user picks up or turn-over terminal equipment in Y-axis, Y-axis there is 0-90 degree change described terminal, then the initial camera of described terminal is set to front-facing camera.
Step S300, if described angle changing value is in described second preset range, is then set to post-positioned pick-up head by the initial camera of described terminal.
When described angle changing value is in the second preset range, namely when by end sensor, intelligent television detects that terminal equipment has 90-180 degree to change in Y-axis, Y-axis there is 90-180 degree change described terminal, then the initial camera of described terminal is set to post-positioned pick-up head.
The present embodiment is by when determining that described terminal has angle to change in vertical direction, obtain described terminal angle changing value in vertical direction, comprise: if described angle changing value is in described first preset range, then the initial camera of described terminal is set to front-facing camera; If described angle changing value is in described second preset range, then the initial camera of described terminal is set to post-positioned pick-up head.Owing to this terminal angle changing value in vertical direction being detected, be again detected after this intelligent television has got the initial camera of this terminal video chat, make camera in chat process can get the image needing picked-up more accurately.
Further, based on described first embodiment, propose the 4th embodiment of intelligent television control terminal camera changing method of the present invention, in the present embodiment, with reference to Fig. 4, above-mentioned steps S40 comprises:
Step S41, obtains R, G, B value of the central area pixel of the image that each camera of described terminal catches, and carries out mean value calculation;
When detecting that described terminal does not have angle to change in vertical direction, namely user do not pick up or rotate described in the terminal that associated, the camera of described terminal is unlocked, and resolves the image that described terminal camera captures.Because described image is made up of thousands of pixels, R, G, B value in each pixel is different, therefore, after resolving described image, obtain R, G, B value of the pixel in described picture centre region, and calculate the mean value of R, G, B value of the central area pixel of the image caught.
Step S42, determines that the mean value of R, G, B value of central area pixel is greater than the image of preset value;
The mean value of R, G, B value of the central area pixel of the image of seizure and R, G, B value preset are compared, after determining R, G, B value preset that the mean value of R, G, B value of this central area pixel is greater than, the camera that this image illustrating that the mean value of R, G, B value of this central area pixel is large is corresponding is not blocked.
Or, the scope of described presetted pixel threshold value is the region from 0-255, when arranging Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) is greater than the value of 90% of pixel coverage, the color of the pixel that the region representation of described 0-255 gets is from dark to bright, such as, the pixel value of present image central area pixel is 200, represent that current pixel value is white bright color, show that current camera is not blocked, then its possibility catching people wants large; When arranging Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) is less than the value of 10% of pixel coverage, the color of the pixel that the region representation of described 0-255 gets is from dark to bright, such as, the pixel value of present image central area pixel is 20, represents that current pixel value is grey black numerical value, show that current camera is blocked, then the area of its portrait that possibility catching people wants little or picked-up is arrived is little.
Step S43, obtains the camera that described image is corresponding.
Determining that there is portrait in the image that the some cameras of terminal capture represents that this camera is not blocked, therefore described camera is being set to the camera of the Video chat given tacit consent to.
It should be noted that, terminal front-facing camera and post-positioned pick-up head all capture in image exists portrait, then by the size of R, G, B value of more described two picture centre area pixel points, R, G, B value of the image that R, G, B value of the image that such as front-facing camera captures captures than post-positioned pick-up head is large, then the camera of Video chat is set to front-facing camera; If R, G, B value of the image that R, G, B value of the image that post-positioned pick-up head captures captures than front-facing camera is large, then the camera of Video chat is set to post-positioned pick-up head.
It should be noted that, R, G, B value equal and opposite in direction of described two picture centre area pixel points, then using the camera given tacit consent to the before camera as Video chat.
R, G, B value of the picture centre area pixel point that the present embodiment is captured by acquisition camera, and obtain camera corresponding to image that described in image that described R, G, B value is all greater than preset value, central area pixel is corresponding, camera corresponding for described image is set to the camera of Video chat acquiescence.Because whether the size of R, G, B value of picture centre area pixel point blocks relevant with camera, R, G, B value therefore by obtaining central area pixel arranges the camera of Video chat more fast, accurately.
Further, based on above-mentioned any embodiment, propose the 5th embodiment of intelligent television control terminal camera changing method of the present invention, in the present embodiment, with reference to Fig. 5, above-mentioned steps S20 comprises:
Step S21, detects in the wireless network at intelligent television place whether there is terminal;
In the present embodiment, prestore terminal in advance that associate with intelligent television, such as, the name of terminal and model is stored in advance in intelligent television, after described intelligent television broadcasts the request command of described Video chat, described intelligent television detects whether there is terminal by current wireless network.
Step S22, when terminal being detected, judges whether described terminal associates with described intelligent television;
When terminal being detected, by the name of the terminal got or model are mated with the name of terminal and model being stored in intelligent television in advance, to obtain the terminal associated.
Step S23, when described terminal associates with described intelligent television, opens camera that is described and intelligent television associated terminal.
After getting the terminal associated, described intelligent television directly opens the camera of associated terminal; Or associated terminal screens by intelligent television, and select the associated terminal that will connect for user, after having selected, intelligent television directly opens the camera of associated terminal.
Whether the present embodiment is by existing terminal in the wireless network at detection intelligent television place, and judge whether described terminal associates with described intelligent television, when described terminal associates with described intelligent television, open camera that is described and intelligent television associated terminal, improve the Experience Degree of product.
The present invention further provides a kind of intelligent television control terminal camera switching device shifter.
With reference to the high-level schematic functional block diagram that Fig. 6, Fig. 6 are the first embodiment of intelligent television control terminal camera switching device shifter of the present invention.
In the present embodiment, described device comprises: the first acquisition module 10, startup module 20, capture module 30, comparing module 40, determination module 50.
Described first acquisition module 10, for obtaining the request command of the Video chat that high in the clouds sends;
In the present embodiment, the request command originating end of Video chat initiates the request command of Video chat to certain request command receiving terminal, first described request order sends to high in the clouds application server by network, the intelligent television equipment that the request command of the Video chat received sends to by described high in the clouds application server, described intelligent television obtains the request command of high in the clouds Video chat.The request command of described high in the clouds chat comprises that high in the clouds request chat indicates, the title of corresponding device, video format and audio format etc.
Described startup module 20, for opening the camera with intelligent television associated terminal in active wireless network according to the request command of described Video chat, and is sent to described associated terminal by the request command of described Video chat;
Described intelligent television associates with terminal in advance, receive the request command of the Video chat that high in the clouds sends at described intelligent television after, the request command of described Video chat is sent to the terminal associated by described intelligent television by wireless network, the described terminal associated is after the described Video chat request command of acquisition, open the camera of local terminal, and to the notice that intelligent television feedback local terminal camera has been opened; Or the described terminal associated is after the described Video chat request command of acquisition, and the camera of the terminal associated described in intelligent television controls is opened.Described camera comprises the external camera on preposition, post-positioned pick-up head or terminal equipment.
Those skilled in the art are understandable that intelligent television and the terminal associated belong to a wireless network.
Described capture module 30, for obtaining the central area pixel of the image that each camera of described terminal catches;
After the described camera associated is opened, described camera catches the still image of video flowing, and obtains the still image of described video flowing; Or after the described camera associated is opened, described camera enters preview mode of taking pictures, and gets the acquisition parameters of current camera photographic subjects, according to acquisition parameters automatic shooting preview image.Described acquisition parameters comprises the hardware parameter of current shooting scope, shooting distance, preposition and post-positioned pick-up head.Described shooting preview image/still image is certain size, as the RGB mode image of 1280*960.The central area pixel of described image can be understood as after the described shooting preview image/still image of shooting is of a size of the RGB mode image of 1280*960, obtain the pixel in the image in described picture centre region, such as, after photographing a preview image/still image and being of a size of the RGB mode image of 1280*960, resolve described image, obtain the pixel in described image, pixels all in described image is being divided into 100 parts, obtain certain a pixel being positioned at described picture centre region, determine that described pixel is the central area pixel of the image that camera catches.The size of described central area can be the size of default setting.
After getting described shooting preview image/still image, obtain the pixel of the central area of described shooting preview image/still image, and the central area pixel of described shooting preview image/still image is resolved.
Described comparing module 40, the pixel value for obtaining described central area pixel is greater than camera corresponding to the image of presetted pixel value;
After the central area pixel of described shooting preview image/still image is resolved, obtain the pixel value of described central area pixel.Described pixel value comprises Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) three kinds of pixel values.When arranging Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) is greater than the value of 90% of pixel coverage, the color of the pixel that the region representation of described 0-255 gets is from dark to bright, such as, the pixel value of present image central area pixel is 200, represents that current pixel value is white bright color; When arranging Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) is less than the value of 10% of pixel coverage, the color of the pixel that the region representation of described 0-255 gets is from dark to bright, such as, the pixel value of present image central area pixel is 20, represents that current pixel value is grey black numerical value.
After the camera unlatching of this associated terminal, absorb a pictures, get the pixel in this center picture region, the pixel value of the pixel value of the pixel in this center picture region with the pixel of the central area of presetting is compared, judges whether the current camera called is blocked.When the pixel value of this central area pixel is greater than presetted pixel value, the camera of the image of the pixel value of this central area pixel is not blocked.
Described determination module 50, for the initial camera of being chatted as described terminal video by the described camera obtained.
After judging that current pixel value is the value of brilliant white color, thus not being blocked of this camera can be judged, using the initial camera that the described camera of described acquisition is chatted as described terminal video.
The present embodiment obtains the request command of the Video chat that high in the clouds sends by described first acquisition module 10 of intelligent television, and described startup module 20 opens the camera with intelligent television associated terminal in active wireless network according to the request command of described Video chat.After described associated terminal receives Video chat request command, described capture module 30 obtains the central area pixel of the image that each camera of associated terminal catches, the pixel value that described comparing module 40 obtains described central area pixel is greater than camera corresponding to the image of presetted pixel value, the initial camera that the described camera obtained is chatted as described terminal video by described determination module 50, therefore, the switching time that can solve camera is long, the problem that the accuracy that terminal camera switches is low.
Further, based on described first embodiment, intelligent television control terminal camera switching device shifter second embodiment of the present invention is proposed, with reference to Fig. 7, in the present embodiment, described device also comprises: judge module 60, second acquisition module 70, first arranges module 80, second and arranges module 90, the 3rd acquisition module 100.
Described judge module 60, for judging whether described terminal has angle to change in vertical direction;
In the present embodiment, intelligent television is after the request command receiving described Video chat, and intelligent television opens end sensor direction processing module, to carry out the camera of switching terminal equipment based on user operation instruction.After intelligent television opens end sensor direction processing module, detect current described terminal equipment angle in vertical direction and whether change.
Described acquisition module 70, during for having angle to change in vertical direction in described terminal, obtains described terminal angle changing value in vertical direction;
In the present embodiment, after intelligent television opens end sensor direction processing module, detect user pick up or rotate described in the terminal that associated, when judging that current described terminal equipment angle in vertical direction changes, obtain described terminal angle changing value in vertical direction.
Described first arranges module 80, if for described angle changing value in the first preset range, then the initial camera of described terminal is set to front-facing camera;
When described angle changing value is in the first preset range, namely when by end sensor, intelligent television detects that terminal equipment has 0-90 degree to change in Y-axis, described terminal has the change of 0-90 degree to represent that user picks up or turn-over terminal equipment in Y-axis, Y-axis there is 0-90 degree change described terminal, then the initial camera of described terminal is set to front-facing camera.
Described second arranges module 90, if for described angle changing value in the second preset range, then the initial camera of described terminal is set to post-positioned pick-up head;
When described angle changing value is in the second preset range, namely when by end sensor, intelligent television detects that terminal equipment has 90-180 degree to change in Y-axis, Y-axis there is 90-180 degree change described terminal, then the initial camera of described terminal is set to post-positioned pick-up head.
Described 3rd acquisition module 100, during for not having angle to change in vertical direction in described terminal, obtains the central area pixel of the image that each camera of described terminal catches.
When detecting that described terminal does not have angle to change in vertical direction, the terminal that can judge not have user to pick up or associate described in rotating, therefore, by obtaining the central area pixel of the image that each camera of described terminal catches, and when the pixel value of described central area pixel is greater than presetted pixel value, obtain the initial camera that camera corresponding to the image of presetted pixel value is chatted as described terminal video.
The present embodiment, by judging the situation that described terminal does not have angle in vertical direction and changes, performs the step of the central area pixel of the image of each camera of the described terminal of described acquisition seizure.Due to described terminal do not have angle to change in vertical direction time, different schemes can be performed by the change of described angle and switch camera, the terminal not having user to pick up or rotate described association can be judged, comprise: when described terminal does not have angle to change in vertical direction, by obtaining the central area pixel of the image that each camera of described terminal catches, and when the pixel value of described central area pixel is greater than presetted pixel value, obtain the initial camera that camera corresponding to the image of presetted pixel value is chatted as described terminal video; When described terminal has angle to change in vertical direction, obtain described terminal angle changing value in vertical direction, and the current camera carrying out Video chat is set according to described angle changing value.Therefore the camera given tacit consent to for screen chat can be set by opening camera acquisition image, thus the accuracy that raising camera switches.
Further, based on described second embodiment, intelligent television control terminal camera switching device shifter the 3rd embodiment of the present invention is proposed, with reference to Fig. 8, in the present embodiment, described device also comprises: the 4th acquisition module 200, the 3rd arranges module 300, the 4th and arranges module 400.
Described 4th acquisition module 200, for when determining that described terminal has angle to change in vertical direction, obtains described terminal angle changing value in vertical direction;
In the present embodiment, after intelligent television opens end sensor direction processing module, detect user pick up or rotate described in the terminal that associated, judge current described terminal equipment angle changing value in vertical direction, and obtain described terminal angle changing value in vertical direction.Such as, after this terminal equipment has got initial camera, the sensor orientation processing module on this terminal equipment detects angular rate signal again, obtains this terminal angle changing value in vertical direction.
Described 3rd arranges module 300, if for described angle changing value in described first preset range, then the initial camera of described terminal is set to front-facing camera;
When described angle changing value is in the first preset range, namely when by end sensor, intelligent television detects that terminal equipment has 0-90 degree to change in Y-axis, described terminal has the change of 0-90 degree to represent that user picks up or turn-over terminal equipment in Y-axis, Y-axis there is 0-90 degree change described terminal, then the initial camera of described terminal is set to front-facing camera.
Described 4th arranges module 400, if for described angle changing value in described second preset range, then the initial camera of described terminal is set to post-positioned pick-up head.
When described angle changing value is in the second preset range, namely when by end sensor, intelligent television detects that terminal equipment has 90-180 degree to change in Y-axis, Y-axis there is 90-180 degree change described terminal, then the initial camera of described terminal is set to post-positioned pick-up head.
The present embodiment is by when determining that described terminal has angle to change in vertical direction, obtain described terminal angle changing value in vertical direction, comprise: if described angle changing value is in described first preset range, then the initial camera of described terminal is set to front-facing camera; If described angle changing value is in described second preset range, then the initial camera of described terminal is set to post-positioned pick-up head.Owing to this terminal angle changing value in vertical direction being detected, be again detected after this intelligent television has got the initial camera of this terminal video chat, make camera in chat process can get the image needing picked-up more accurately.
Further, based on described first embodiment, propose intelligent television control terminal camera switching device shifter the 4th embodiment of the present invention, with reference to Fig. 9, in the present embodiment, above-mentioned comparing module 40 comprises acquiring unit 41, comparing unit 42, determining unit 43.
Described acquiring unit 41, for obtaining R, G, B value of the central area pixel of the image that each camera of described terminal catches, and carries out mean value calculation;
When detecting that described terminal does not have angle to change in vertical direction, namely user do not pick up or rotate described in the terminal that associated, the camera of described terminal is unlocked, and resolves the image that described terminal camera captures.Because described image is made up of thousands of pixels, R, G, B value in each pixel is different, therefore, after resolving described image, obtain R, G, B value of the pixel in described picture centre region, and calculate the mean value of R, G, B value of the central area pixel of the image caught.
Described comparing unit 42, the mean value for R, G, B value determining central area pixel is greater than the image of preset value;
The mean value of R, G, B value of the central area pixel of the image of seizure and R, G, B value preset are compared, after determining R, G, B value preset that the mean value of R, G, B value of this central area pixel is greater than, the camera that this image illustrating that the mean value of R, G, B value of this central area pixel is large is corresponding is not blocked.
Or, the scope of described presetted pixel threshold value is the region from 0-255, when arranging Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) is greater than the value of 90% of pixel coverage, the color of the pixel that the region representation of described 0-255 gets is from dark to bright, such as, the pixel value of present image central area pixel is 200, represent that current pixel value is white bright color, show that current camera is not blocked, then its possibility catching people wants large; When arranging Rgain (red pixel), Ggain (green pixel), Bgain (blue pixel) is less than the value of 10% of pixel coverage, the color of the pixel that the region representation of described 0-255 gets is from dark to bright, such as, the pixel value of present image central area pixel is 20, represents that current pixel value is grey black numerical value, show that current camera is blocked, then the area of its portrait that possibility catching people wants little or picked-up is arrived is little.
Described determining unit 43, for obtaining camera corresponding to described image.
Determining that there is portrait in the image that the some cameras of terminal capture represents that this camera is not blocked, therefore described camera is being set to the camera of the Video chat given tacit consent to.
It should be noted that, terminal front-facing camera and post-positioned pick-up head all capture in image exists portrait, then by the size of R, G, B value of more described two picture centre area pixel points, R, G, B value of the image that R, G, B value of the image that such as front-facing camera captures captures than post-positioned pick-up head is large, then the camera of Video chat is set to front-facing camera; If R, G, B value of the image that R, G, B value of the image that post-positioned pick-up head captures captures than front-facing camera is large, then the camera of Video chat is set to post-positioned pick-up head.
It should be noted that, R, G, B value equal and opposite in direction of described two picture centre area pixel points, then using the camera given tacit consent to the before camera as Video chat.
R, G, B value of the picture centre area pixel point that the present embodiment is captured by acquisition camera, and obtain camera corresponding to image that described in image that described R, G, B value is all greater than preset value, central area pixel is corresponding, camera corresponding for described image is set to the camera of Video chat acquiescence.Because whether the size of R, G, B value of picture centre area pixel point blocks relevant with camera, R, G, B value therefore by obtaining central area pixel arranges the camera of Video chat more fast, accurately.
Further, based on above-mentioned any embodiment, propose intelligent television control terminal camera switching device shifter the 5th embodiment of the present invention, with reference to Figure 10, in the present embodiment, above-mentioned startup module 20 comprises detecting unit 21, judging unit 22, start unit 23.
Described detecting unit 21, for detect intelligent television place wireless network in whether there is terminal;
In the present embodiment, prestore terminal in advance that associate with intelligent television, such as, the name of terminal and model is stored in advance in intelligent television, after described intelligent television broadcasts the request command of described Video chat, described intelligent television detects whether there is terminal by current wireless network.
Described judging unit 22, for when terminal being detected, judges whether described terminal associates with described intelligent television;
When terminal being detected, by the name of the terminal got or model are mated with the name of terminal and model being stored in intelligent television in advance, to obtain the terminal associated.
Described start unit 23, for when described terminal associates with described intelligent television, opens camera that is described and intelligent television associated terminal.
After getting the terminal associated, described intelligent television directly opens the camera of associated terminal; Or associated terminal screens by intelligent television, and select the associated terminal that will connect for user, after having selected, intelligent television directly opens the camera of associated terminal.
Whether the present embodiment is by existing terminal in the wireless network at detection intelligent television place, and judge whether described terminal associates with described intelligent television, when described terminal associates with described intelligent television, open camera that is described and intelligent television associated terminal, improve the Experience Degree of product.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. an intelligent television control terminal camera changing method, is characterized in that, described intelligent television control terminal camera changing method comprises step:
Intelligent television obtains the request command of the Video chat that high in the clouds sends;
Open the camera with intelligent television associated terminal in active wireless network according to the request command of described Video chat, and the request command of described Video chat is sent to described associated terminal;
Obtain the central area pixel of the image that each camera of described terminal catches;
The pixel value obtaining described central area pixel is greater than camera corresponding to the image of presetted pixel value;
Using the initial camera that the described camera obtained is chatted as described terminal video.
2. intelligent television control terminal camera changing method as claimed in claim 1, it is characterized in that, before the step of the central area pixel of the image that each camera of the described terminal of described acquisition catches, described intelligent television control terminal camera changing method also comprises step:
Judge whether described terminal has angle to change in vertical direction;
When described terminal has angle to change in vertical direction, obtain described terminal angle changing value in vertical direction;
If described angle changing value is in the first preset range, then the initial camera of described terminal is set to front-facing camera;
If described angle changing value is in the second preset range, then the initial camera of described terminal is set to post-positioned pick-up head;
When described terminal does not have angle to change in vertical direction, perform the step of the central area pixel of the image that each camera of the described terminal of described acquisition catches.
3. intelligent television control terminal camera changing method as claimed in claim 2, it is characterized in that, after the step of described initial camera of being chatted as described terminal video by the described camera obtained, described intelligent television control terminal camera changing method also comprises step:
When determining that described terminal has angle to change in vertical direction, obtain described terminal angle changing value in vertical direction;
If described angle changing value is in described first preset range, then the initial camera of described terminal is set to front-facing camera;
If described angle changing value is in described second preset range, then the initial camera of described terminal is set to post-positioned pick-up head.
4. intelligent television control terminal camera changing method as claimed in claim 1, is characterized in that, the step that the pixel value of described acquisition described central area pixel is greater than camera corresponding to the image of presetted pixel value comprises:
Obtain R, G, B value of the central area pixel of the image that each camera of described terminal catches, and carry out mean value calculation;
Determine that the mean value of R, G, B value of central area pixel is greater than the image of preset value;
Obtain the camera that described image is corresponding.
5. the intelligent television control terminal camera changing method as described in any one of claim 1-4, is characterized in that, the step that the described request command according to described Video chat opens the camera of the terminal associated with intelligent television in active wireless network comprises:
Detect in the wireless network at intelligent television place and whether there is terminal;
When terminal being detected, judge whether described terminal associates with described intelligent television;
When described terminal associates with described intelligent television, open camera that is described and intelligent television associated terminal.
6. an intelligent television control terminal camera switching device shifter, is characterized in that, described intelligent television control terminal camera switching device shifter comprises:
First acquisition module, for obtaining the request command of the Video chat that high in the clouds sends;
Start module, for opening the camera with intelligent television associated terminal in active wireless network according to the request command of described Video chat, and the request command of described Video chat is sent to described associated terminal;
Capture module, for obtaining the central area pixel of the image that each camera of described terminal catches;
Comparing module, the pixel value for obtaining described central area pixel is greater than camera corresponding to the image of presetted pixel value;
Determination module, for the initial camera of being chatted as described terminal video by the described camera obtained.
7. intelligent television control terminal camera switching device shifter as claimed in claim 6, it is characterized in that, described intelligent television control terminal camera switching device shifter also comprises:
Judge module, for judging whether described terminal has angle to change in vertical direction;
Second acquisition module, during for having angle to change in vertical direction in described terminal, obtains described terminal angle changing value in vertical direction;
First arranges module, if for described angle changing value in the first preset range, then the initial camera of described terminal is set to front-facing camera;
Second arranges module, if for described angle changing value in the second preset range, then the initial camera of described terminal is set to post-positioned pick-up head;
3rd acquisition module, during for not having angle to change in vertical direction in described terminal, obtains the central area pixel of the image that each camera of described terminal catches.
8. intelligent television control terminal camera switching device shifter as claimed in claim 7, it is characterized in that, described intelligent television control terminal camera switching device shifter also comprises:
4th acquisition module, for when determining that described terminal has angle to change in vertical direction, obtains described terminal angle changing value in vertical direction;
3rd arranges module, if for described angle changing value in described first preset range, then the initial camera of described terminal is set to front-facing camera;
4th arranges module, if for described angle changing value in described second preset range, then the initial camera of described terminal is set to post-positioned pick-up head.
9. intelligent television control terminal camera switching device shifter as claimed in claim 6, it is characterized in that, described comparing module comprises:
Acquiring unit, for obtaining R, G, B value of the central area pixel of the image that each camera of described terminal catches, and carries out mean value calculation;
Comparing unit, the mean value for R, G, B value determining central area pixel is greater than the image of preset value;
Determining unit, for obtaining camera corresponding to described image.
10. the intelligent television control terminal camera switching device shifter as described in any one of claim 6-9, it is characterized in that, described startup module comprises:
Detecting unit, for detect intelligent television place wireless network in whether there is terminal;
Judging unit, for when terminal being detected, judges whether described terminal associates with described intelligent television;
Start unit, for when described terminal associates with described intelligent television, opens camera that is described and intelligent television associated terminal.
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