CN105791799B - The conversion method and device of a kind of television operating mode - Google Patents
The conversion method and device of a kind of television operating mode Download PDFInfo
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- CN105791799B CN105791799B CN201610137330.4A CN201610137330A CN105791799B CN 105791799 B CN105791799 B CN 105791799B CN 201610137330 A CN201610137330 A CN 201610137330A CN 105791799 B CN105791799 B CN 105791799B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/139—Format conversion, e.g. of frame-rate or size
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/158—Switching image signals
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- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
This application discloses a kind of television operations mode conversion method and device.This method detects, to determine the type of the signal frame after the vision signal of video signal source output is obtained to the signal frame of the vision signal.When the signal frame is 3D signal frames, and the vision signal has continuous multiple 3D signal frames, then can determine that the vision signal is 3D vision signals, then the mode of operation of TV is switched into 3D mode of operations；When the signal frame is 2D signal frames, and when the vision signal has continuous multiple 2D signal frames, it is determined that the vision signal is 2D vision signals, and the mode of operation of motor is switched into 2D mode of operations.Compared with prior art, the present invention can be according to the signal frame type of vision signal and the continuity of signal frame, and it is 3D vision signals or 2D vision signals to identify the vision signal, and then according to the mode of operation of the type of vision signal conversion TV.
Description
Technical field
The application is related to signal detection field, more specifically to a kind of conversion method of television operating mode and
Device.
Background technology
With the gradual maturation of 3D technology, 3D TV is supported to be increasingly becoming trend.Current 3D LCD TVs lead to
3D patterns and 2D patterns are often supported, the display of 3D videos and 2D videos can be achieved.
By the working mode change of TV be 3D patterns by remote control, so that defeated when user needs to watch 3D programs
Go out 3D vision signals, by the working mode change of TV be 2D patterns by remote control when user needs to watch 2D programs, from
And export 2D vision signals.
Because current 3D TVs cannot be distinguished by 2D vision signals and 3D vision signals, thus it can only artificially pass through remote control
The mode of operation of TV is changed, the automatic conversion of mode of operation can not be realized.
The content of the invention
In view of this, the application provides a kind of conversion method and device of television operating mode, and this method is according to video
The signal frame type of signal, it is 3D vision signals or 2D vision signals to distinguish vision signal, and then realizes television set Working mould
Formula automatic conversion.
A kind of conversion method of television operating mode, including
To achieve these goals, it is proposed that scheme it is as follows：
Obtain the vision signal of video signal source output；
The signal frame of the vision signal is detected, determines the type of the signal frame, the type of the signal frame
Including 3D signal frames and 2D signal frames；
When it is 3D signal frames that the vision signal, which there are continuous multiple signal frames, determine that the vision signal is believed for 3D videos
Number, it is 3D video modes by the working mode change of television set；
When it is 2D signal frames that the vision signal, which there are continuous multiple signal frames, determine that the vision signal is believed for 2D videos
Number, it is 2D video modes by the working mode change of television set；
It is described that the vision signal is detected, the type of the signal frame is determined, including：
Obtain the pixel of the pixel to be detected of the signal frame and the contrast pixel of pixel to be detected, the contrast
Pixel includes：First contrast pixel, the second contrast pixel, the 3rd contrast pixel and the 4th contrast pixel；
Wherein, the first contrast pixel, the second contrast pixel and the pixel to be detected are same column picture
Vegetarian refreshments, and it is adjacent with the pixel to be detected；
3rd contrast pixel, the 4th contrast pixel and the pixel to be detected are colleague's pixel
Point, and it is adjacent with the pixel to be detected；
Calculate the pixel difference of the pixel to be detected and each contrast pixel, the pixel difference of the contrast pixel of colleague
And the pixel difference of the contrast pixel of same column, counted according to result of calculation；
Wherein, abs is worked asOA>absAB, and absOB>absAB, the first counter adds one；Work as absOC>absCD, and absOD>
absCD, the second counter adds one；
Abs represents pixel difference, and O represents pixel to be detected, and A represents the first contrast pixel, and B represents the second contrast pixel
Point, C represent that the 3rd contrast pixel, D represent the 4th contrast pixel；
Successively using all pixels point of the signal frame as pixel to be detected, the counting of first counter is counted
As a result with the count results of second counter；
The count results of the second counter are subtracted using the count results of first counter, export result of calculation；
When the ratio of the pixel of the result of calculation and signal frame sum is more than preset percentage, it is determined that described
Signal frame is 3D signal frames, is otherwise 2D signal frames.
Preferably, when the pixel to be detected is located at the marginal position of the signal frame, the pixel to be detected
The pixel of the contrast pixel of missing is identical with the pixel of the pixel to be detected.
Preferably, the picture of the contrast pixel of the pixel to be detected for obtaining the signal frame and pixel to be detected
Element includes：
Obtain the pixel component of pixel to be detected and each pixel for contrasting pixel in different directions；
The pixel difference for calculating the pixel to be detected and each contrast pixel, the picture of the contrast pixel of colleague
The pixel difference of the contrast pixel of plain difference and same column, is counted according to result of calculation, including
The pixel component in same direction is calculated, determines that pixel component is poor；
It is poor according to the pixel component in all directions, calculate pixel to be detected and contrast the pixel difference of pixel, go together
Contrast pixel pixel difference and same column contrast pixel pixel difference.
A kind of conversion equipment of television operations pattern, including：
Signal gathering unit, for obtaining the vision signal of video signal source output；
Detecting signal unit, the signal frame of the vision signal is detected, determine the type of the signal frame, it is described
The type of signal frame includes 3D signal frames and 2D signal frames；
Mode switching unit, for when it is 3D signal frames that the vision signal, which has continuous multiple signal frames, it is determined that described
Vision signal is 3D vision signals, is 3D video modes by the working mode change of television set；
When it is 2D signal frames that the vision signal, which there are continuous multiple signal frames, determine that the vision signal is believed for 2D videos
Number, it is 2D video modes by the working mode change of television set；
The detecting signal unit includes：
Data acquisition subelement, for obtaining the pixel to be detected of the signal frame and the contrast picture of pixel to be detected
The pixel of vegetarian refreshments, the contrast pixel include：First contrast pixel, second contrast pixel, the 3rd contrast pixel and
4th contrast pixel；
Wherein, the first contrast pixel, the second contrast pixel and the pixel to be detected are same column picture
Vegetarian refreshments, and it is adjacent with the pixel to be detected；
3rd contrast pixel, the 4th contrast pixel and the pixel to be detected are colleague's pixel
Point, and it is adjacent with the pixel to be detected；
First computation subunit, for calculating the pixel difference of the pixel to be detected and each contrast pixel, colleague
Contrast pixel pixel difference and same column contrast pixel pixel difference,
First counter, show for the result of calculation when the first computation subunit：absOA>absAB, and absOB>absAB
When, the first counter adds one；
Second counter, show for the result of calculation when the first computation subunit：absOC>absCD, and absOD>absCD,
Second counter adds one；
Wherein, abs represents pixel difference, and O represents pixel to be detected, and A represents the first contrast pixel, and B represents second pair
Represent that the 3rd contrast pixel, D represent the 4th contrast pixel than pixel, C；
Circulate operation subelement, for successively using all pixels point of the signal frame as pixel to be detected, with right
The pixel is detected.
Second computation subunit, for subtracting the counting knot of the second counter using the count results of first counter
Fruit, export result of calculation；
Comparing subunit, the ratio for the pixel sum when the result of calculation and the signal frame are more than default hundred
Point than when, it is 3D signal frames to determine the signal frame, is otherwise 2D signal frames.
Preferably, the data acquisition subelement is specifically used for obtaining pixel to be detected and each contrast pixel
The pixel component of pixel in different directions；
First computation subunit, including：
First computing module, for calculating the pixel component in same direction, determine that pixel component is poor；
Second computing module, for poor according to the pixel component in all directions, calculate pixel to be detected and contrast picture
The pixel difference of the contrast pixel of the pixel difference of vegetarian refreshments, the pixel difference of the contrast pixel of colleague and same column.
Through as shown from the above technical solution, this application discloses a kind of television operations mode conversion method and device.The party
Method detects, to determine the signal after the vision signal of video signal source output is obtained to the signal frame of the vision signal
The type of frame.When the signal frame is 3D signal frames, and the vision signal has continuous multiple 3D signal frames, then it can determine that this is regarded
Frequency signal is 3D vision signals, then the mode of operation of TV is switched into 3D mode of operations；When the signal frame is 2D signal frames, and
When the vision signal has continuous multiple 2D signal frames, it is determined that the vision signal is 2D vision signals, by the Working mould of motor
Formula switchs to 2D mode of operations.Compared with prior art, the present invention can be according to the signal frame type of vision signal and signal frame
Continuity, it is 3D vision signals or 2D vision signals to identify the vision signal, and then changes electricity according to the type of vision signal
Depending on mode of operation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 shows a kind of schematic flow sheet of television operations mode conversion method disclosed in one embodiment of the invention；
Fig. 2 shows a kind of schematic flow sheet of signal frame detection method disclosed in another embodiment of the present invention；
Fig. 3 shows pixel to be detected with contrasting the location diagram of pixel；
Fig. 4 shows a kind of flow signal of television operations mode conversion method disclosed in another embodiment of the present invention
Figure；
Fig. 5 shows a kind of structural representation of television operations mode conversion device disclosed in another embodiment of the present invention
Figure；
Fig. 6 shows a kind of signal of television operations mode conversion device disclosed in another embodiment disclosed by the invention
The structural representation of detection unit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The flow for showing a kind of television operations mode conversion method disclosed in one embodiment of the invention referring to Fig. 1 is illustrated
Figure.
As shown in Figure 1, this method includes：
S101：Obtain the vision signal of video signal source output.
S102：The signal frame of the vision signal is detected, determines the type of the signal frame.
For a vision signal, the vision signal can regard the set of multiple signal frames as, different vision signals
The length of signal frame is different.According to the difference of imaging principle, vision signal can be divided into 3D vision signals and 2D vision signals.It is right
Answer, the signal frame of 3D vision signals is 3D signal frames, and the signal frame of 2D vision signals is 2D signal frames.
S103：When it is 3D signal frames that the vision signal, which has continuous multiple signal frames, it is 3D to determine the vision signal
Vision signal, it is 3D video modes by the working mode change of television set；
S104：When it is 2D signal frames that the vision signal, which has continuous multiple signal frames, it is 2D to determine the vision signal
Vision signal, it is 2D video modes by the working mode change of television set.
When it is 3D signal frames or 2D signal frames that some vision signal, which has continuous some frames (such as 60 frames), then it can determine that this is regarded
The type of frequency signal.Such as, the initial pattern of TV can be arranged to 2D mode of operations, is 3D signal frames if any continuous 60 frame, then
TV enters 3D mode of operations, the mode of operation before otherwise keeping；If continuous 60 frame is 2D signal frames, then TV enters
2D mode of operations, the mode of operation before otherwise keeping.
As seen from the above embodiment, this application discloses a kind of television operations mode conversion method.This method regards in acquisition
After the vision signal of frequency source signal output, the signal frame of the vision signal is detected, to determine the type of the signal frame.When
The signal frame is 3D signal frames, and when the vision signal has continuous multiple 3D signal frames, then can determine that the vision signal is 3D
Vision signal, then the mode of operation of TV is switched into 3D mode of operations；When the signal frame is 2D signal frames, and the vision signal
During with continuous multiple 2D signal frames, it is determined that the vision signal is 2D vision signals, and the mode of operation of motor is switched into 2D works
Operation mode.Compared with prior art, the present invention can identify according to the signal frame type of vision signal and the continuity of signal frame
The vision signal is 3D vision signals or 2D vision signals, and then according to the Working mould of the type of vision signal conversion TV
Formula.
From upper one embodiment, needed after the vision signal of video signal source output is got to the vision signal
Signal frame detected, to determine the type of signal frame.Therefore, show that another embodiment of the present invention discloses referring to Fig. 2
A kind of signal frame detection method schematic flow sheet.
As shown in Figure 2, the signal frame detection method specifically includes following steps：
S201：Obtain the pixel of the pixel to be detected of the signal frame and the contrast pixel of pixel to be detected.
For a signal frame, the signal frame includes multiple pixels, when being detected to signal frame need according to
The secondary all pixels point using signal frame is as pixel to be detected.
In order to protrude the characteristic of pixel to be detected, the present invention is provided with multiple contrast pixels for the pixel to be detected
Point.Show pixel to be detected with contrasting the location diagram of pixel referring to Fig. 3.From the figure 3, it may be seen that contrast pixel bag
Include：With pixel O same columns to be detected, and adjacent with pixel to be detected first contrast pixel A and second contrast pixel
B, and gone together with pixel O to be detected, and the adjacent with pixel to be detected the 3rd contrast pixel C and the 4th contrast pixel
Point D.
It should be noted that when the pixel to be detected is located at the marginal position of the signal frame, it is described to be detected
The pixel of the contrast pixel of pixel missing is identical with the pixel of the pixel to be detected.Such as, when pixel O to be detected not
During with the first contrast pixel A, its this pixel value for lacking is identical with the pixel value of O points.
S202：The pixel difference of the pixel to be detected and each contrast pixel is calculated, the contrast pixel of colleague
The pixel difference of the contrast pixel of pixel difference and same column, is counted according to result of calculation.
Calculate the contrast pixels of pixel O to be detected and first A pixel difference absOA, pixel O to be detected and second pair
Pixel difference abs than pixel BOB, the contrast pixels of pixel O to be detected and the 3rd C pixel difference absOC, pixel to be detected
The contrast pixels of point O and the 4th D pixel difference absOD, first contrasts the contrast pixels of pixel A and second B pixel difference
absAB, and the 3rd contrast pixel C and the 4th contrast pixel D pixel difference absCD。
Work as absOA>absAB, and absOB>absAB, the first counter adds one；Work as absOC>absCD, and absOD>absCD, the
Two counters add one.
S203：Successively using all pixels point of the signal frame as pixel to be detected, first counter is counted
Count results and second counter count results.
S204：The count results of the second counter are subtracted using the count results of first counter, when the difference with
When the ratio of total pixel of the signal frame is more than preset percentage, it is 3D signal frames to determine the signal frame, is otherwise 2D
Signal frame.
It should be noted that the preset percentage can be modulated according to actual conditions by staff, optionally, this default hundred
Divide than being 20%.
Show that a kind of flow of television operations mode conversion method is shown disclosed in another embodiment of the present invention referring to Fig. 4
It is intended to.
As shown in Figure 4, this method includes：
S401：Obtain the vision signal of video signal source output.
S402：The pixel of pixel to be detected and each contrast pixel in the signal frame of the vision signal is gathered to exist
Pixel component on different directions.
It should be noted that the pixel of pixel can be divided into tri- components of R, G, B.Such as pixel O to be detected pixel point
Amount is represented by RO、GOAnd BO；The pixel component of first contrast pixel is expressed as RA、GAAnd BA；Second contrast pixel
Pixel component is expressed as RB、GBAnd BB；The pixel of 3rd contrast pixel is expressed as RC、GCAnd BC；4th contrast pixel
Pixel component is expressed as RD、GDAnd BD。
S403：The pixel component in same direction is calculated, determines that pixel component is poor.
S404：It is poor according to the pixel component in all directions, calculate pixel to be detected with contrast pixel pixel difference,
The pixel difference of the pixel difference of the contrast pixel of colleague and the contrast pixel of same column.
Specially：
The contrasts of pixel O to be detected and first pixel A pixel difference is：
absOA=| RO-RA|+|GO-GA|+|BO-BA|。
Similarly, the contrast pixels of pixel O to be detected and second B pixel difference is：
absOB=| RO-RB|+|GO-GB|+|BO-BB|。
The contrast pixels of pixel O to be detected and the 3rd C pixel difference：
absOC=| RO-RC|+|GO-GC|+|BO-BC|。
The contrast pixels of pixel O to be detected and the 4th D pixel difference：
absOD=| RO-RD|+|GO-GD|+|BO-BD|。
First contrast pixel A and the second contrast pixel B pixel difference：
absAB=| RA-RB|+|GA-GB|+|BA-BB|。
3rd contrast pixel C and the 4th contrast pixel pixel difference：
absCD=| RC-RD|+|GC-GD|+|BC-BD|。
S405：According to pixel difference, the first counter and the second calculator are counted.
Wherein, abs is worked asOA>absAB, and absOB>absAB, the first counter adds one；Work as absOC>absCD, and absOD>
absCD, the second counter adds one.
S406：Successively step S402 is performed using all pixels point of the signal frame as pixel to be detected, circulation extremely
Step S405, count the count results of first counter and the count results of second counter.
S407：The count results of the second counter are subtracted using the count results of the first counter, when the difference and signal
When the ratio of the pixel sum of frame is more than preset percentage, it is 3D signal frames to determine the signal frame, is otherwise 2D signal frames.
S408：When it is 3D signal frames that the vision signal, which has continuous multiple signal frames, it is 3D to determine the vision signal
Vision signal, it is 3D video modes by the working mode change of television set.
S409：When it is 2D signal frames that the vision signal, which has continuous multiple signal frames, it is 2D to determine the vision signal
Vision signal, it is 2D video modes by the working mode change of television set.
Show that a kind of structure of television operations mode conversion device is shown disclosed in another embodiment of the present invention referring to Fig. 5
It is intended to.
As shown in Figure 5, the device includes：Signal gathering unit 1, detecting signal unit 2 and mode switching unit 3.
Wherein, signal gathering unit is used for the vision signal for obtaining video signal source output, and the video collected is believed
Number send into detecting signal unit 2.
The vision signal for the reception signal collecting unit 1 of detecting signal unit 2 output being connected with signal gathering unit 1, and
The signal frame of the vision signal is detected, to determine the type of the signal frame.
When the determination of detecting signal unit 2, the signal frame is 3D signal frames, and the vision signal has continuous multiple signal frames equal
For 3D signal frames when, then can determine that the vision signal is 3D vision signals, mode switching unit 3 turns the mode of operation of television set
It is changed to 3D video modes.
When the determination of detecting signal unit 2, the signal frame is 2D signal frames, and the vision signal has continuous multiple signal frames equal
For 2D signal frames when, then can determine that the vision signal is 2D vision signals, mode switching unit 3 turns the mode of operation of television set
It is changed to 2D video modes.
A kind of television operations mode conversion device disclosed in another embodiment disclosed by the invention is shown referring to Fig. 6
The structural representation of detecting signal unit.
Unlike a upper device embodiment, specifically included in the present embodiment detecting signal unit 2：Data acquisition
Unit 21, the first computation subunit 22, the first counter 23, the second counter 24, circulate operation subelement 25, second calculate single
Member 26 and comparing subunit 27.
Wherein, data acquisition subelement 21 is used to obtain the pixel to be detected of the signal frame and pixel to be detected
The pixel of pixel is contrasted, and the pixel value collected is sent into the first computation subunit 22.
It should be noted that contrast pixel includes：It is and adjacent with pixel to be detected with pixel O same columns to be detected
The first contrast pixel A and the second contrast pixel B, and gone together with pixel O to be detected, and with pixel phase to be detected
Adjacent the 3rd contrast pixel C and the 4th contrast pixel D.
The pixel value that first computation subunit 22 collects according to data acquisition subelement, calculate the pixel to be detected
With the pixel difference of each contrast pixel, the pixel of the pixel difference of the contrast pixel of colleague and the contrast pixel of same column
Difference.
When the result of calculation of the first computation subunit shows：absOA>absAB, and absOB>absABWhen, the first calculator 23
Add one.
When the result of calculation of the first computation subunit shows：absOC>absCD, and absOD>absCD, the second counter 24 plus
One.
Wherein, abs represents pixel difference, and O represents pixel to be detected, and A represents the first contrast pixel, and B represents second pair
Represent that the 3rd contrast pixel, D represent the 4th contrast pixel than pixel, C.
It is right and then circulate operation subelement 25 is successively using all pixels point of the signal frame as pixel to be detected
All pixels point is detected, and counts the count results of first counter and the count results of second counter.
Second computation subunit 26 utilizes the meter of first counter according to the statistical result of circulate operation subelement 25
Number result subtracts the count results of the second counter, exports result of calculation.
Comparing unit 27 is used for when the result of calculation and the ratio of the pixel sum of the signal frame are more than default hundred
Point than when, it is 3D signal frames to determine the signal frame, is otherwise 2D signal frames.
It should be noted that in order to easy to operate, the data acquisition list described in other embodiment disclosed by the invention
Member is specifically used for obtaining the pixel component of pixel to be detected and each pixel for contrasting pixel in different directions.Enter
And the first computation subunit calculates pixel difference according to the pixel component in all directions.
Specifically,
First computation subunit, including：First computing module and the second computing module.
First computing module, for calculating the pixel component in same direction, determine that pixel component is poor；
Second computing module, for poor according to the pixel component in all directions, calculate pixel to be detected and contrast picture
The pixel difference of the contrast pixel of the pixel difference of vegetarian refreshments, the pixel difference of the contrast pixel of colleague and same column.
It should be noted that the device embodiment is corresponding with embodiment of the method, its implementation procedure is identical with implementation principle,
Therefore not to repeat here.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (5)
- A kind of 1. conversion method of television operating mode, it is characterised in that including：Obtain the vision signal of video signal source output；The signal frame of the vision signal is detected, determines the type of the signal frame, the type of the signal frame includes 3D signal frames and 2D signal frames；When it is 3D signal frames that the vision signal, which has continuous multiple signal frames, it is 3D vision signals to determine the vision signal, It is 3D video modes by the working mode change of television set；When it is 2D signal frames that the vision signal, which has continuous multiple signal frames, it is 2D vision signals to determine the vision signal, It is 2D video modes by the working mode change of television set；It is described that the vision signal is detected, the type of the signal frame is determined, including：Obtain the pixel of the pixel to be detected of the signal frame and the contrast pixel of pixel to be detected, the contrast pixel Point includes：First contrast pixel, the second contrast pixel, the 3rd contrast pixel and the 4th contrast pixel；Wherein, the first contrast pixel, the second contrast pixel and the pixel to be detected are same column pixel, It is and adjacent with the pixel to be detected；3rd contrast pixel, the 4th contrast pixel and the pixel to be detected are colleague's pixel, and It is adjacent with the pixel to be detected；Calculate the pixel difference of the pixel to be detected and each contrast pixel, the pixel difference of the contrast pixel of colleague and The pixel difference of the contrast pixel of same column, is counted according to result of calculation；Wherein, abs is worked asOA>absAB, and absOB>absAB, the first counter adds one；Work as absOC>absCD, and absOD>absCD, the Two counters add one；Abs represents pixel difference, and O represents pixel to be detected, and A represents the first contrast pixel, and B represents the second contrast pixel, C Represent that the 3rd contrast pixel, D represent the 4th contrast pixel；Successively using all pixels point of the signal frame as pixel to be detected, the count results of statistics first counter With the count results of second counter；The count results of the second counter are subtracted using the count results of first counter, export result of calculation；When the ratio of the pixel of the result of calculation and signal frame sum is more than preset percentage, the signal is determined Frame is 3D signal frames, is otherwise 2D signal frames.
- 2. according to the method for claim 1, it is characterised in that when the pixel to be detected is located at the side of the signal frame During edge position, the pixel of the contrast pixel of the pixel missing to be detected is identical with the pixel of the pixel to be detected.
- 3. according to the method for claim 1, it is characterised in that the pixel to be detected for obtaining the signal frame and treat Detecting the pixel of the contrast pixel of pixel includes：Obtain the pixel component of pixel to be detected and each pixel for contrasting pixel in different directions；The pixel difference for calculating the pixel to be detected and each contrast pixel, the pixel difference of the contrast pixel of colleague And the pixel difference of the contrast pixel of same column, counted according to result of calculation, includingThe pixel component in same direction is calculated, determines that pixel component is poor；It is poor according to the pixel component in all directions, calculate pixel to be detected and the pixel difference for contrasting pixel, pair gone together Than the pixel difference of pixel and the pixel difference for contrasting pixel of same column.
- A kind of 4. conversion equipment of television operations pattern, it is characterised in that including：Signal gathering unit, for obtaining the vision signal of video signal source output；Detecting signal unit, the signal frame of the vision signal is detected, determine the type of the signal frame, the signal The type of frame includes 3D signal frames and 2D signal frames；Mode switching unit, for when it is 3D signal frames that the vision signal, which has continuous multiple signal frames, determining the video Signal is 3D vision signals, is 3D video modes by the working mode change of television set；When it is 2D signal frames that the vision signal, which has continuous multiple signal frames, it is 2D vision signals to determine the vision signal, It is 2D video modes by the working mode change of television set；The detecting signal unit includes：Data acquisition subelement, for obtaining the pixel to be detected of the signal frame and the contrast pixel of pixel to be detected Pixel, it is described contrast pixel include：First contrast pixel, the second contrast pixel, the 3rd contrast pixel and the 4th Contrast pixel；Wherein, the first contrast pixel, the second contrast pixel and the pixel to be detected are same column pixel, It is and adjacent with the pixel to be detected；3rd contrast pixel, the 4th contrast pixel and the pixel to be detected are colleague's pixel, and It is adjacent with the pixel to be detected；First computation subunit, for calculating the pixel difference of the pixel to be detected and each contrast pixel, pair of colleague Than pixel pixel difference and same column contrast pixel pixel difference,First counter, show for the result of calculation when the first computation subunit：absOA>absAB, and absOB>absABWhen, the One counter adds one；Second counter, show for the result of calculation when the first computation subunit：absOC>absCD, and absOD>absCD, second Counter adds one；Wherein, abs represents pixel difference, and O represents pixel to be detected, and A represents the first contrast pixel, and B represents the second contrast picture Vegetarian refreshments, C represent that the 3rd contrast pixel, D represent the 4th contrast pixel；Circulate operation subelement, for successively using all pixels point of the signal frame as pixel to be detected, with to described Pixel is detected；Second computation subunit, for subtracting the count results of the second counter using the count results of first counter, Export result of calculation；Comparing subunit, the ratio for the pixel sum when the result of calculation and the signal frame are more than preset percentage When, it is 3D signal frames to determine the signal frame, is otherwise 2D signal frames.
- 5. device according to claim 4, it is characterised in that it is to be detected that the data acquisition subelement is specifically used for acquisition The pixel component of the pixel of pixel and each contrast pixel in different directions；First computation subunit, including：First computing module, for calculating the pixel component in same direction, determine that pixel component is poor；Second computing module, for poor according to the pixel component in all directions, calculate pixel to be detected and contrast pixel Pixel difference, colleague contrast pixel pixel difference and same column contrast pixel pixel difference.
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