CN102307286B - A kind of processing method of multiple frames of television - Google Patents
A kind of processing method of multiple frames of television Download PDFInfo
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- CN102307286B CN102307286B CN201110074062.3A CN201110074062A CN102307286B CN 102307286 B CN102307286 B CN 102307286B CN 201110074062 A CN201110074062 A CN 201110074062A CN 102307286 B CN102307286 B CN 102307286B
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Abstract
The present invention relates to the processing method of a kind of multiple frames of television, including the data decoding process generation program pictures to the currently selected channel in TV signal；Also include determining the channel to be selected shown on the tv screen；The decoding data of the channel to be selected determined is processed generation program pictures；Show described currently selected channel and the program pictures of channel to be selected respectively by having the broadcast window of different attribute respectively.Present invention additionally comprises the processing system of multiple frames of television, to realize user when preview TV programme, the former currently selected video frequency program watched, still in played state, still can be watched.
Description
Technical field
The present invention relates to processing method and the processing system of a kind of multiple frames of television.
Background technology
Digital television in the market is most with image preview function, facilitates user to search and oneself likes watching
Television channel.
Below the preview function of digital television is introduced:
After start picture preview function, digital television receives TV program information, in decoding and image processing process,
Decode digital television programs information, the Word message such as including the program inventory under channel number, each channel, reproduction time, and
Play out successively.The advantage of the method is the information that can check the broadcast program of other channels while the selected program of viewing.Lack
Point is not directly perceived, and user cannot see the picture of other channels, can only obtain TV program information from Word message, and due to frequency
Road number is too much, and spectators are difficult to quickly find the programme information of oneself liked channel.
Even if some existing DTV have employed multichannel picture and processes function, but draws when user starts this multichannel
During surface function, also from the beginning of first channel, can decode and process the video frequency program of each channel successively, and use many pictures
Mode shows on TV.This mode cause user start the video frequency program watched before this preview function by
Disconnected, hinder user that the continuation of this video frequency program is watched.
Summary of the invention
In view of this, present invention is primarily targeted at processing method and the processing system that a kind of multiple frames of television is provided,
To realize user when preview TV programme, the former currently selected video frequency program watched, still in played state, still may be used
Watched.
First the processing method of a kind of multiple frames of television is provided, including step:
A, the data decoding process of the currently selected channel in TV signal is generated program pictures；Further comprise the steps of:
B, determine the channel to be selected shown on the tv screen；
C, the decoding data of the channel to be selected determined is processed generate program pictures；
D, show described currently selected channel and channel to be selected respectively by having the broadcast window of different attribute respectively
Program pictures.
By upper, by display selected channel picture, channel picture to be selected, it is achieved user is when preview TV programme, and it is worked as
The video frequency program watched selected by before still can be watched.
Preferably, described step B includes:
Reading channel collecting presss from both sides；
Determine the collection classification at currently selected channel place, and as currently selected classification, before and after the category, set quantity
Collection classification as classification to be selected；
Read out each channel in addition to currently selected channel under categories menu currently selected, to be selected as treating frequency-selecting
Road.
By upper, it is achieved to currently selected collection classification, the determination of collection classification to be selected, and then realize treating frequency-selecting road really
Fixed.
Preferably, described step D also includes: by having broadcast window function menu and/or the joint of particular community
Mesh menu screen.
The attribute of described broadcast window includes at least one: position, size, shape, transparency, figure level are other.
By upper, by the determination to affiliated broadcast window menu properties, it is achieved the display of broadcast window menu.
Preferably, step D includes:
The position attribution of currently selected channel broadcast window makes this window's position be the top setting in middle part；
Position attribution and the figure layer level attribute of other each channel broadcast window to be selected under currently selected classification make respectively
Individual channel broadcast window to be selected longitudinal arrangement successively below currently selected channel broadcast window, and successively by top window part
Cover and arrange；
Position attribution and the figure layer level attribute of each channel broadcast window to be selected under each classification to be selected make each to be selected
Channel broadcast window transversely in currently selected classification arranged on both sides, longitudinally under each classification to be selected longitudinal arrangement successively, and
Covered by top window part successively and arrange；
The shape attribute of each broadcast window makes each window rotate the 3D vision effect formed in upwards certain angle
Shape.
By upper, by the determination of each channel broadcast window attribute, it is achieved the different display effects of each channel broadcast window
Really.
Preferably, step D also includes:
When receiving channel up/down switching command, in each collection classification, the channel conversion in each broadcast window is to its up/down
Side's broadcast window, and return step A；
When receiving channel left/right switching command, in each collection classification, the channel conversion in each broadcast window is to its left/right
Side's broadcast window, and return step A.
By upper, receive user instruction so that each broadcast window realizes the change of position.
Preferably, described step C includes:
The decoding process mode using the program pictures quality less than currently selected channel is treated the data in frequency-selecting road and is carried out
Decoding process.
By upper, it is achieved reduce processor load.
Preferably, described decoding process mode includes:
Determine the channel broadcast window to be selected distance to currently selected channel broadcast window；
Difference according to described distance carries out the decoding process of different pictures quality.
By upper, according to the difference of channel broadcast window position to be selected, it is achieved the difference of image quality, at further reduction
Reason device load also can increase the processing speed to each channel image.
Preferably, the mode of described decoding process includes at least one:
Reduce the frequency to channel data real-time decoding, reduce resolution, minimizing number of pixels, reduction quality of colour and delete
Except part picture.
Preferably, also provide for the processing system of a kind of multiple frames of television, including:
TV signal processing module 10, generates program picture for processing the currently selected channel decoding in TV signal
Face；
Menu determines module 20, is used for calling and show collection preview function menu information；
Channel to be selected determines module 30, for determining the channel to be selected shown on the tv screen；
Channel image processing module 40 to be selected, is used at the decoding data to the channel to be selected determined and image
Reason, generates displayable program pictures；
Picture display module 50, for showing described currently selected respectively by having the broadcast window of different attribute respectively
Channel and the program pictures of channel to be selected.
By upper, it is achieved user is when preview TV programme, and the former currently selected video frequency program watched is still in being broadcast
Put state, still can be watched.
Accompanying drawing explanation
The process flow figure of the multiple frames of television that Fig. 1 provides for the present invention；
Fig. 2 is the display structural representation of multiple frames of television processing method of the present invention, and (a) is menu and channel architecture to be selected
Effect, (b) is all channel architecture effects to be selected, and (c) is the three dimensional structure effect of menu and channel to be selected；
The systematic schematic diagram realizing multiple frames of television processing method that Fig. 3 provides for the present invention.
Detailed description of the invention
Referring to Fig. 1 to Fig. 3, as a example by the preview function transferring DTV collection, it is discussed in detail in conjunction with accompanying drawing
The processing method of the multiple frames of television that the present invention provides and processing system.
As it is shown in figure 1, when in digital television program playing process, user by remote controller, touch screen, action induction or
After the control equipment such as portable wireless terminal (PAD) recall the preview function of collection corresponding to the present invention, provided by the present invention
The processing method of many pictures comprises the following steps:
Step 110: continue to digital television signal and process, including being decoded currently selected channel and scheming
As processing, generate currently played program pictures.
Step 120: corresponding function menu information in transferring DTV, i.e. calls collection preview function dish in this example
Single.
In example as shown in Fig. 2 (a), this menu includes:
It is positioned at the Title area menu directly over screen, for showing the title of described preview function.
It is positioned at the collection categories menu that the lower section of described Title area menu is transversely arranged, for showing the class of collection channel
Another name claims, including economy, variety, physical culture, science and education, juvenile etc..The function of channel classification collection is provided, user can be facilitated not
Such television channel collected is selected under same collection categories menu.
It is positioned at the function choosing-item menu of screen bottom, (i.e. realizes collection function including locking, certain TV can watched
During channel, transfer out channel categories collection menu, current channel be stowed under above-mentioned a certain corresponding collection categories menu catalogue,
So that easy-to-look-up when next time watches this channel), delete (being deleted from correspondence collection categories menu catalogue by current channel)
Function.
Step 130: the particular content pressed from both sides according to the channel collecting of earlier set is determined and to be shown on the tv screen
Channel to be selected.Concrete steps include:
First, it is determined that currently selected channel (channel that i.e. currently played described in step 110 picture is corresponding) place
Collection classification, using this collection classification as currently selected classification；By (right for a number of collection classification before and after this collection classification
The category IDs answered is successively decreased and is incremented by n bit digital) as classification to be selected, the quantity in the present embodiment is chosen as 1；Other do not show
The collection classification shown is as hide Categories.
Then, each channel in addition to currently selected channel being successively read out under categories menu currently selected, to be selected, make
For channel to be selected.
In example as shown in Fig. 2 (b), shown in center, the top for currently selected channel, the collection classification at its place
For currently selected classification, left and right is two row, for classification to be selected.Each under other channels under currently selected classification and classification to be selected
Individual channel is channel to be selected.What other were not shown on digital TV screen is classified as hide Categories, outside Fig. 2 (b) screen
Left and right Ge Lie.
Step 140: decoding data and the image procossing to the channel to be selected determined, generates displayable program
Picture.
Wherein, as shown in Fig. 2 (c), owing to the program pictures of channel to be selected is less than the program pictures of currently selected channel, because of
This is in order to improve data processing speed, when this step treats decoding data and the image procossing in frequency-selecting road, have employed and work as
Decoding that front selected channel is different and image procossing mode, will be described later.
Step 150: by for play described currently selected channel currently selected channel broadcast window, each treat frequency-selecting
The channel broadcast window to be selected of road program pictures, the window attribute preset according to it, show above-mentioned currently selected channel respectively
Program pictures, the program pictures of channel to be selected；By the menu broadcast window for playing described menu, the window preset according to it
Attribute plays above-mentioned menu screen.Each window attribute the most above-mentioned includes that window size, position, shape, figure level are not and thoroughly
Lightness etc..Wherein figure level Yong Yu not represent whether window is covered in the rank above certain window, and it is little that what rank was big is positioned at rank
Window on, overall i.e. presenting blocks or window that cover grade is little.
As shown in Fig. 2 (a), Fig. 2 (c), each window attribute of the present embodiment is following to be arranged:
Currently selected channel broadcast window, shows for the program pictures of currently selected channel is carried out big picture, its position
The setting putting attribute makes this window be that middle part is top, and size can be arranged as required to；Make to work as by the setting of position attribution
Other channel broadcast windows to be selected under classification selected by before are arranged in order below currently selected channel broadcast window, and by figure
The other setting of level presents the mode covered by top window successively and arranges, and classification to be selected is positioned at currently selected classification lateral symmetry
Arrangement, each channel broadcast window to be selected under it presents the mode covered by top window successively and arranges.And each window to
The shape rotating formation 3D vision effect of upper certain angle.It is described with a detailed description of the invention below:
Coordinate axes (X, Y) arrangement is pressed in described all channel broadcast window positions.
For the ease of description below, it is (X, Y) by currently selected channel broadcast window setting coordinate, then, treats below
Frequency-selecting road broadcast window coordinate is followed successively by (X+1, Y), (X+2, Y), by that analogy；On the left of it, channel broadcast window coordinate to be selected is
(X, Y-1)；On the right side of it, channel broadcast window coordinate to be selected is (X, Y+1).The size of described channel broadcast window to be selected is with position
It is changed to successively: position is further away from middle, the most on the lower, and its window is the least.
Wherein, the process that each channel broadcast window shows uses certain display mode to show, user is by distant
When the control equipment such as control device, touch screen, action induction or portable wireless terminal (PAD) carry out the switching of channel up/down, all channels
In broadcast window coordinate, the numeral corresponding to X-axis carries out "-1 ", "+1 " computing respectively, and entirety presents all pictures to up/down
The effect of a mobile window.Accordingly, when users with channel left/right switches, in all channel broadcast window coordinates, Y
Numeral corresponding to axle all carries out "-1 ", "+1 " computing, makes channel program broadcasting pictures to be selected enter different windows, to complete
The change of its position, entirety present all pictures to the left/move to right the effect of a window.
Described collection categories menu only moves along with corresponding channel broadcast window left/right, does not moves with its up/down.
Wherein, if Fig. 2 (c) is during program shows, the certain visual effect changing method of use can be used to carry out
Display.For example, it is possible to increase transparent effect below selected channel broadcast window, working as in collection categories menu display window
Before selected blue color effect, function choosing-item menu with dynamic mobile rollover effect, and by the arrangement of described channel broadcast window with
3-D effect presents.The concrete mode that wherein 3-D effect presents is: on the basis of two-dimensional space, adds third dimension Z axis, i.e.
X-axis is the first dimension of cross, and Y-axis is the second dimension of cross, Z axis i.e. third dimension.In three dimensional space coordinate, with the first dimension
Degree X-axis is center of rotation axle, carries out 15 °～75 ° rotations forward or backwards, shows more channel program in more intuitive mode
Broadcasting pictures window, this three-dimensional arrangement and rotation effect can use OpenGL technology to realize.For another example, when not using such as Fig. 2 (a)
Middle lower section depending on go out " lock, collect " function time, acquiescence display effect is transparent, carries out changing to when transferring this function display effect
Really.
Decoding and the image procossing mode of the data treating frequency-selecting road mentioned above-mentioned steps 140 below are described:
Owing to these picture dimensions are less, and due to the highest picture of non-user attention rate (attention rate the highest for working as
The program that front selected channel broadcast window is play), therefore, for, in each channel window to be selected, can only playing each and treat
The tableaux in frequency-selecting road, i.e. treat frequency-selecting road when being decoded with image procossing, only decodes a two field picture, and not
Must persistently decode.Further, this two field picture can also be non-real-time decoding, as on backstage, timing decodes, or derives from last
The channel sectional drawing that read during channel browsing or the channel sectional drawing of last frame when collecting this channel.
Further, during the picture that decodes these processes, can use reduction resolution, reduce number of pixels,
The mode such as quality of colour, deletion part picture (as only intercepted the picture of center part area) that reduces processes.
If it addition, described image is real-time decoding, owing to the attention rate of human eye generally reduces from center to both sides successively, because of
This is in the processing procedure to picture, it is also possible to carry out successively different resolution, minimizing pixel is how many, quality of colour reduces
Degree etc. process, formed from center to the process that both sides image successively picture quality is different, figure can be increased further
As processing speed, and the most do not affect the vision viewing of user.Present, then embody channel broadcast window to be selected
The effect that picture is reduced to both sides video quality successively by center.Or, when using above-mentioned timing to decode, from center to both sides,
The solution code frequency used reduces successively, presents from center to both sides generally, the picture refreshing in channel broadcast window to be selected
Frequency is more and more lower.
It addition, human eye attention rate also can reduce successively from top to bottom, therefore, in the vertical, equally applicable above-mentioned image
Processing method, such that it is able to further away from currently selected channel broadcast window, picture quality is the lowest.
It addition, also play the video of correspondence according to dynamic image, the i.e. channel to the superiors of classification to be selected, as worked as
About front selected channel broadcast window, two channel broadcast windows to be selected are dynamic image, then these two channels to be selected are play window
During mouth Video processing to be performed, it would however also be possible to employ aforesaid way processes, i.e. according to different resolution, the picture of minimizing
The degree etc. that element is how many, quality of colour reduces processes, and is formed different to both sides video image successively picture quality from center
Process, thus the most too much increasing on the premise of processor load, making user receive more dynamic menu.
Illustrate below and above-mentioned image processing method illustrated:
The first step: determine the distance of other each channel broadcast window to be selected apart from currently selected channel broadcast window
Dn, wherein dn is d1, d2～dn, correspond to respectively n channel broadcast window to be selected to currently selected channel broadcast window away from
Distance values.Wherein can be determined according to the centre coordinate property calculation of each window.
Second step: according to described distance, determines other each broadcast window to be selected and currently selected channel broadcast window matter
Amount difference grade point.Such as with currently selected channel broadcast window credit rating for 1, other wanted broadcasting pictures quality rating value
For (1-k%*dn), wherein k is the mass change value set.According to this formula, distance center currently selected channel broadcast window
The most remote, broadcasting pictures quality is the lowest.
3rd step: according to the image quality grade point to be play calculated, when carrying out image procossing, selects correspondence
The Image Processing parameter of this quality rating value carries out image procossing.It is understood that, it is also possible to using this grade point as image procossing
In a weighting parameters, it is achieved the result carrying out image procossing according to grade point is different.
Furthermore it is also possible to further set above-mentioned k value as variable, it is designated as km, if km is from first trip to next line (the
M row) it is incremented by (can be linear function or curvilinear function) successively, the wanted broadcasting pictures quality rating value so calculated is
(1-km%*dn), being characterized in, the change of image quality compares horizontal change for longitudinal change, can reduce faster
(already allowing for transverse and longitudinal coordinate according to dn distance, km considers vertical coordinate to quality further herein so that the result vertical coordinate of calculating
Change is fast), this is because the horizontal attention rate of human eye is greater than longitudinal attention rate.
Another embodiment is, above-mentioned (1-k%*dn) linear formula is changed to curvilinear function, such as (1-k%*dn*
Dn), i.e. the most remote apart from currently selected channel broadcast window, the quality that the fastest rather than linear formula of Quality Down embodies is put down
All decline.This is not linear attenuation due to eyes to acentric concern, and such function more meets vision, the most more reduces
Image processing load, accelerates image processing speed.
It should be noted that when each broadcast window position to be selected is in other positions (position shown in non-Fig. 2) or irregular
During arrangement, said method is the most applicable, it is achieved the most remote apart from currently selected channel broadcast window, and broadcasting pictures quality is the lowest.
It addition, above-mentioned algorithm can also is that the control that corresponding channel solves bit rate, currently selected channel broadcast window
The most remote, solve bit rate the lowest, i.e. frame updating is the slowest.
As it is shown on figure 3, the processing system of multiple frames of television of the present invention includes: TV signal processing module 10, menu determines
Module 20, channel to be selected determines module 30, channel image processing module 40 to be selected and picture display module 50.Wherein:
TV signal processing module 10, is used for receiving digital television signal and processing, including to currently selected channel
Decoding and image procossing, generate the program pictures that currently selected channel is to be play, decode in digital television signal simultaneously
Program guide data.
Menu determines module 20, corresponding function menu information in being used for transferring DTV, i.e. calls and shows collection
Folder preview function menu.
Channel to be selected determines module 30, for determining according to the particular content of the channel collecting folder setting before and storing
Show channel to be selected on the tv screen.
Channel image processing module 40 to be selected, is used at the decoding data to the channel to be selected determined and image
Reason, generates displayable program pictures.
Picture display module 50, for by currently selected channel broadcast window, channel broadcast window to be selected, basis respectively
Its window attribute preset, shows the program pictures of currently selected channel, the program pictures of channel to be selected respectively；Broadcast by menu
Put window, play above-mentioned menu screen according to its window attribute preset.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (7)
1. a processing method for multiple frames of television, including step:
A, the data decoding process of the currently selected channel in TV signal is generated program pictures；
It is characterized in that, further comprise the steps of:
B, determine the channel to be selected shown on the tv screen；
C, the decoding data of the channel to be selected determined is processed generate program pictures；
Described step C includes:
The decoding process mode using the program pictures quality less than currently selected channel treats the decoding data in frequency-selecting road
Process；
D, show described currently selected channel and the program of channel to be selected respectively by having the broadcast window of different attribute respectively
Picture；
The attribute of described broadcast window includes at least one: position, size, shape, figure level are other；
Step D includes:
The position attribution of currently selected channel broadcast window makes this window's position be the top setting in middle part；
Position attribution and the figure layer level attribute of other each channel broadcast window to be selected under currently selected classification make each treat
Frequency-selecting road broadcast window longitudinal arrangement successively below currently selected channel broadcast window, and covered by top window part successively
Arrange；
Position attribution and the figure layer level attribute of each channel broadcast window to be selected under each classification to be selected make each channel to be selected
Broadcast window transversely in currently selected classification arranged on both sides, longitudinally under each classification to be selected longitudinal arrangement successively, and successively
Covered by top window part and arrange；
The shape attribute of each channel broadcast window makes each window rotate the 3D vision effect formed in upwards certain angle
Shape.
Method the most according to claim 1, it is characterised in that described step B includes:
Reading channel collecting presss from both sides；
Determine the collection classification at currently selected channel place, and as currently selected classification, before and after the category, set the receipts of quantity
Hide classification as classification to be selected；
Read out each channel in addition to currently selected channel under categories menu currently selected, to be selected as channel to be selected.
Method the most according to claim 1, it is characterised in that described step D also includes: by having the dish of particular community
Single broadcast window function menu and/or program guide picture.
4. according to the method described in claim 1 or 3, it is characterised in that the attribute of described broadcast window also includes transparency.
Method the most according to claim 1, it is characterised in that step D also includes:
When receiving channel up/down switching command, in each collection classification, the channel conversion in each broadcast window is broadcast to its up/down side
Put window, and return step A；
When receiving channel left/right switching command, in each collection classification, the channel conversion in each broadcast window is broadcast to its left right
Put window, and return step A.
Method the most according to claim 1, it is characterised in that described decoding process mode includes:
Determine the channel broadcast window to be selected distance to currently selected channel broadcast window；
Difference according to described distance carries out the decoding process of different pictures quality.
7. according to the method described in claim 1 or 6, it is characterised in that the mode of described decoding process includes at least with purgation
One:
Reduce the frequency to channel data real-time decoding, reduce resolution, minimizing number of pixels, reduction quality of colour and deletion portion
Split screen.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103327355A (en) * | 2013-06-26 | 2013-09-25 | 四川长虹电器股份有限公司 | Method for playing smart television TV signals in 3D space |
| CN103501462A (en) * | 2013-09-26 | 2014-01-08 | 天脉聚源(北京)传媒科技有限公司 | Video switching method and device |
| US9906751B2 (en) * | 2013-12-06 | 2018-02-27 | Opentv, Inc. | User interface techniques for television channel changes |
| CN103686415B (en) * | 2013-12-26 | 2017-06-06 | Tcl集团股份有限公司 | The station selector and method of a kind of intelligent television |
| CN103780951A (en) * | 2014-01-17 | 2014-05-07 | 上海聚力传媒技术有限公司 | Method and device for playing videos in mobile equipment and other equipment at the same time |
| CN104092966A (en) * | 2014-06-26 | 2014-10-08 | 京东方科技集团股份有限公司 | Method and system for television channel changing control |
| CN108156487A (en) * | 2016-12-02 | 2018-06-12 | 北京邦天信息技术有限公司 | A kind of video broadcasting method and device |
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