CN1917597A - The display device for offering movie modes and method for controlling the same - Google Patents
The display device for offering movie modes and method for controlling the same Download PDFInfo
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- CN1917597A CN1917597A CNA2006101158465A CN200610115846A CN1917597A CN 1917597 A CN1917597 A CN 1917597A CN A2006101158465 A CNA2006101158465 A CN A2006101158465A CN 200610115846 A CN200610115846 A CN 200610115846A CN 1917597 A CN1917597 A CN 1917597A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0112—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard
- H04N7/0115—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard with details on the detection of a particular field or frame pattern in the incoming video signal, e.g. 3:2 pull-down pattern
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Abstract
The present invention discloses an image display device supporting movie modes and a method for controlling the same. The device comprises a window generating part for setting the given field of the displaying picture to character window field; a storing part for storing the video data of the character window field; a character broadcasting judgment part for comparing the video data to determine whether the signals concerning the character broadcasting should be received or not; a control part for converting the video signals to general video mode to control the display of the signals. The method comprises determining whether the signals transmitted to the image display device are movie signals or not; displaying the video signals in a movie mode when the transmitted signals are movie signals and determining whether the character broadcasting signals are transmitted to the image display device or not; converting the video signals from movie mode to general video mode so as to display when the character broadcasting signals have been transmitted to the image display device. The present invention overcomes the problem that the caption outputting of the character broadcasting is half-baked and vibrantly, and the picture is brighter.
Description
Technical field
The present invention relates to a kind of image display device, specifically a kind of image display device and control method thereof of supporting film mode.
Background technology
Fig. 1 (a)～(c) is for constituting the figure that illustrates of general film mode picture in the prior art.The example that the image model picture that utilizes 3:2 translative mode (PULL-DOWN) is shown describes as follows.
Fig. 1 (a) is the 24Hz image for the captured film of cinemanufacturer, want the image information of the film of this 24Hz is transmitted with 60Hz is staggered, will manufacture per 3 width of cloth in each length of film or per 2 width of cloth with the staggered of 60Hz, just can receive and send film image then with television broadcasting.
The cinestrip of the film source that the image display device of the TV that Fig. 1 (b) sends out for broadcasting office etc. receives.Usually there is not the staggered analog signal TV of 60Hz of memory to be partial to demonstration to the image of Fig. 1 (b).
Occurred recently showing the image display device that shows as Fig. 1 (C), this Presentation Function is called as the 3:2 translation function.
More particularly, above-mentioned 3:2 translation function refers to three field A1, A2, A3 among the first frame A, two field B4, B5 among the second frame B, the output procedure of two field D9, D10 among three field C6, C7 among the 3rd frame C, C8 and the 4th frame D is carried out repeatedly, thereby 24 frames are converted to 60 fields, promptly, the frame of two width of cloth 24Hz is converted to the field of five width of cloth 60Hz, thereby in the first frame A, a field is carried out repeatedly, making three fields, and in the second frame B, make two fields.
But this support image display device of film mode in the past has following problem.
After image display device receives picture signal, if received the signal that broadcasting office is sent simultaneously about text broadcast, film will show the picture after mode with the 3:2 translation function changes so, but the text broadcast of picture lower end is but not according to the film mode of mode of above-mentioned 3:2 translation function etc., but shows according to general video mode.
At this moment, because the operation of reciprocal cross mistake makes odd field signal and even field signal in the field mix, thereby the text broadcast that moment can occur trembles problem.
That is to say shown in the image pattern 2 like that, the font of text broadcast that is presented at the end portion of mute can occur trembleing or the fuzzy problem that waits with the partial state demonstration.
Summary of the invention
In order to solve problems of the prior art, the object of the present invention is to provide a kind of image display device and control method thereof of supporting film mode, it can according to whether display text broadcasting decide with film mode (for example 3:2 translation function) and show movies signal, still show movies signal with general video mode, thereby eliminate the phenomenon of the captions vibration of text broadcast.
For being implemented in above-mentioned purpose, the technical scheme that the present invention adopts is:
In the received vision signal of image display device is under the situation of movies signal, can show with film mode, and the image display device that is provided can be supported film mode, and image display device of the present invention comprises following components: the window generating unit that the regulation field of display frame is set at literal window field; The storage part that the video data in the literal window field set in the above-mentioned window generating unit is stored; The video data of earlier stored is compared text broadcast judging part with the signal that judges whether to receive relevant text broadcast; And under the situation that the signal that closes above-mentioned text broadcast obtains receiving, under above-mentioned image model, above-mentioned vision signal is converted to general video mode to control the control part that it shows.
Above-mentioned film mode can be converted to the frame of two width of cloth 24Hz field of five 60Hz, and preferably includes in first card repeatedly a field and make three fields, makes the 3:2 translation function of two fields in second frame.
It is proper that the regulation field of above-mentioned display frame generally is positioned at the bottom of picture of display text broadcasting.
The signal of above-mentioned relevant text broadcast also comprises Word message and relevant signals such as news, weather, life information except referring to film lines captions.
In the above-mentioned storage part in each the change video data each store separately.
Should comprise with the lower part in the above-mentioned text broadcast judging part: whether each pixel that detects video data stored in the above-mentioned storage part is that the white image of white image is tested out portion; According to each above-mentioned white image is tested out the white image of checking out in the portion and compare, to calculate the phase difference comparing section of field phase value; And when the field phase value that calculates in the above-mentioned phase difference comparing section when the specified standard value is above, judge that the text broadcast whether signal of relevant text broadcast obtains receiving judges efferent.
The above-mentioned white image portion of testing only utilizes the Y-signal in the Y/Cb/Cr signal to detect the white image signal.
Become big absolute constant value gradually on the travel direction that above-mentioned phase value comparing section is set in text broadcast for each pixel, at this moment the value that does not detect the pixel of white image is made as 0, and each pixel calculated poor from after the absolute constant value of setting in the pixel that deducts in the absolute constant value of setting the pixel of front court with the front court, then the field phase value of the difference addition that will calculate in above-mentioned each pixel is calculated.
The standard value of afore mentioned rules is preferably positive number.
The control method of the image display device that can support film mode that provides among the present invention in order to achieve the above object, comprises several several stages down: judge whether the vision signal that sends to image display device is the stage of movies signal; When the vision signal that sends to above-mentioned image display device is movies signal, with film mode above-mentioned vision signal is shown, and judge simultaneously whether the signal of relevant text broadcast has sent to the stage of above-mentioned image display device; And when the signal of relevant text broadcast has sent to above-mentioned image display device, above-mentioned vision signal is converted to the stage of general video mode to show from film mode.
Above-mentioned film mode can be converted to the frame of two width of cloth 24Hz field of five 60Hz, and preferably includes in first frame repeatedly a field and make three fields, makes the 3:2 translation function of two fields in second frame.
Whether the above-mentioned signal of judging relevant text broadcast has been sent to the stage of above-mentioned image display device by constituting with the next stage: the stage that the regulation field of display frame is set at the literal window; The stage that the video data in the literal window field set is previously stored; And institute's video data stored compared, with the stage of the signal that judges whether to have received relevant text broadcast.
The regulation field of above-mentioned display frame generally should be positioned at the lower end of the display frame of display text broadcasting.
The signal of above-mentioned relevant text broadcast also comprises Word message and relevant signals such as news, weather, life information except referring to film lines captions.
The stage that the video data in the literal window field of above-mentioned setting is stored is preferably stored respectively the video data of change in each.
Institute's video data stored is compared, and also should comprise following several stages in the stage with the signal that judges whether to have received relevant text broadcast: whether each pixel that detects institute's video data stored is the stage of white image; The detected white image in front is compared respectively by the field, and the stage of calculated field phase value; And in the field phase value that is calculated when the specified standard phase value is above, judge the stage whether signal of relevant text broadcast obtains receiving.
In whether each pixel that detects institute's video data stored is stage of white image, only utilize the Y-signal in the Y/Cb/Cr signal to detect the white image signal.
Above-mentioned detected white image is undertaken respectively relatively by the field and in the stage of calculated field phase value, then also should be comprised with the next stage: the stage that becomes big absolute constant value on the travel direction of being set in text broadcast for each pixel gradually; The pixel that does not detect white image is set to the stage of 0 value; To the stage of each pixel calculating from the difference after the absolute constant value of setting in the pixel that deducts in the absolute constant value of setting the pixel of front court with the front court; And the stage that the field phase value of the difference addition that will calculate in above-mentioned each pixel is calculated.
The standard value of afore mentioned rules is preferably positive number.
Therefore in the present invention, can realize automatically from the conversion of film mode according to having or not of text broadcast to general video mode, thus the phenomenon of the captions shake of elimination text broadcast.
The present invention has the following advantages and beneficial effect:
1. when the present invention shows with film mode, can avoid occurring the problem of the imperfect and vibration of the captions output of text broadcast after receiving the signal of relevant movie broadcast, therefore can offer the distinct more picture of user.
Description of drawings
Fig. 1 is an embodiment key diagram that constitutes general film mode picture in the prior art;
Fig. 2 is to the display frame diagram of the image display device of supporting film mode in the prior art;
Fig. 3 carries out key diagram for example for the formation of image display device of the present invention;
Fig. 4 is the figure that illustrates of the display frame of image display device of the present invention;
Fig. 5 (a)～(c) illustrates figure ()～(three) for the processing procedure of the text broadcast judging part of image display device of the present invention;
Fig. 6 is the control method flow chart of image display device of the present invention;
Fig. 7 carries out illustrated flow chart for whether the present invention has sent to the control method that image display device judges to the signal of relevant text broadcast.
Wherein: 301 is image display device; 302 is the picture signal judegment part; 303 is image memory portion; 304 are reciprocal cross mistake portion; 305 is display part; 306 is the window generating unit; 307 is storage part; 308 is the text broadcast judging part; 309 test out portion for white image; 310 is the phase difference comparing section; 311 are text broadcast judgement efferent; 312 is control part.
Embodiment
With reference to the accompanying drawings, the embodiments of the invention that specifically achieve the above object are described.
Fig. 3 is in the present invention, to the embodiment key diagram of the formation of the image display device of supporting film mode, supports among the present invention that the signal flow between the inscape of image display device of film mode describes as follows.
Be that the center illustrates to main composition key element of the present invention among Fig. 3, wherein omit image display device and received general broadcast singal and basic constituent element that shows and signal flow, even but having omitted diagram and detailed description to this basic constituent element, the practitioner also can understand the image display device of supporting film mode among the present invention by Fig. 3.
Image display device 301 is as embodying device of the present invention, and it also comprises inscape described later.Just in above-mentioned image display device 301, have no particular limits, and preferably possess film mode Presentation Function or 3:2 translation function.
Picture signal judegment part 302 judges that the vision signal that is received is that movies signal still is general vision signal.
303 pairs of vision signals that received of image memory portion are stored, and use in order to carry out movies signal judgement and reciprocal cross mistake portion 304.
Above-mentioned reciprocal cross mistake portion 304 characteristics according to the signal of being judged in the above-mentioned movies signal judegment part 302 are exercised the function that the final video signal is made up.
The effect of display part 305 is that the rgb signal or the Y-pb-Pr signal of outputting video signal are controlled and exported.
Window generating unit 306 receives the control data that control part 312 sends in order to extract the zone of output character broadcasting from above-mentioned image memory portion 303, then specific pixel * line number is set at the literal window area.
Storage part 307 is the internal memories that to have or not text broadcast and establish in order to judge, it can be only extracts the video data in the field of setting in the above-mentioned window generating unit 306 and store from above-mentioned image memory portion 303.
Text broadcast judging part 308 is a kind of comparison means, and it compares the video data of storage part 307 front and back field, has judged whether text broadcast then, thereby transmits the information of judging to above-mentioned control part 312.
The function of above-mentioned control part 312 is that above-mentioned movies signal judegment part 302, image memory portion 303, reciprocal cross mistake portion 304, display part 305, window generating unit 306, storage part 307 and text broadcast judging part 308 are controlled.
Above-mentioned picture signal judegment part 302 judges that the vision signal that is received is general video source or film source, its concrete method is, storing after front court and data with the front court, its data variation is compared, if same phase value with 3,2 in certain interval repeatedly, just be judged as movies signal.
On the other hand, be different values, just be judged as general vision signal if the phase place of field all detects at every turn.
If the judged result of above-mentioned picture signal judegment part 302 is that the vision signal that is received is a movies signal, so above-mentioned control part 312 will be controlled above-mentioned reciprocal cross mistake portion 304, thereby show above-mentioned vision signal with film mode, for example can realize the 3:2 translation function.
In addition, above-mentioned window generating unit 306 is set at literal window field with the regulation field of display frame after the control that receives control part 312.
As shown in Figure 4, the afore mentioned rules field generally should be set in the lower end of the display frame of display text broadcasting.Here, above-mentioned text broadcast also comprises Word message and relevant informations such as news, weather, life information except film lines captions.
For example, the display frame of above-mentioned image display device is under the situation of 720 pixels * 480 row, can be set to 720 pixels * 50 row in the afore mentioned rules field.Just at this moment above-mentioned numerical value only is for example, and scope of the present invention is not limited to above-mentioned numerical value.
In addition, send the signal in the field set previously to above-mentioned image memory portion 303, above-mentioned image memory portion 303 sends the video data in the field set previously to above-mentioned storage part 307 again.
At this moment, above-mentioned storage part 307 just can have been stored the video data in the literal window field that above-mentioned window generating unit 306 sets.But at this moment preferably the video data of change is stored respectively according to the zone.For example, when the data of front court can be stored in the 2nd storage part in the storage part 307, can be stored in the 1st storage part in the storage part 307 with the data of front court.
Whether above-mentioned text broadcast judging part 308 can compare the data and the data when the front court with the front court of being stored in the above-mentioned storage part 307, receive and demonstration by image display device 301 to judge text broadcast.
More particularly, comprise in the above-mentioned text broadcast judging part 308 that white image is tested out portion 309, phase difference comparing section 310 and text broadcast is judged efferent 311.
Above-mentioned white image is tested out portion 309 can be to detecting with front court and the video data pixel separately when the front court of storing in the above-mentioned storage part 307, see whether it is white image. above-mentioned pixel is made of Y/Cb/Cr, but only wherein Y-signal as detected object, if the semaphore of Y-signal is very big, so just can utilize the big this point of data value of appearance to detect white image, for example, when above-mentioned video data being handled with 8 bit A C, can in 256 scopes, show Y-signal, because the text broadcast major part is near white data, so with about 180 (when 8 bit A C handle) is that standard is a white image with the detection of the value more than it, above-mentioned numerical value all is for example.
Above-mentioned phase difference comparing section 310 can be tested out portion's 309 detected white image according to comparing with the front court with when the front court to above-mentioned white image, and can the calculated field phase value.Detailed description meeting to this is elaborated by Fig. 5 in the back.
Fig. 5 (a)～(c) is in the present invention, and the processing procedure of the text broadcast judging part of the image display device of supporting film mode is illustrated figure ()～(three).With reference to Fig. 5, be elaborated as follows to the effect of the phase difference comparing section 310 of above-mentioned text broadcast judging part 308.
As shown in Figure 5, become big absolute constant value gradually on the travel direction that above-mentioned phase difference comparing section 310 is set in text broadcast for each pixel, the pixel that does not detect white image is made as 0 value.
For example, during the direction of text broadcast carrying out to the left from the right side like that as shown in Figure 5, can on the pixel of the rightmost side, establish 1, on next left pixel, establish 3, establish 5 on next left pixel, each increases by 2 like this, and the pixel that does not detect white image can be regarded it as 0.Certain above-mentioned numerical value does not limit interest field of the present invention, and just for example.
Shown in Fig. 5 (a) is the value that sets on the pixel of front court.And be the value that sets in the pixel with the front court shown in Fig. 5 (b).
Above-mentioned phase difference comparing section 310 can calculate poor from set the absolute constant value in deducting with the pixel of front court in the absolute constant value of setting the pixel of front court after, and can calculate according to each pixel, for example, when Fig. 5 (a) for being during as front court Fig. 5 (b) with the front court, the difference that previous calculations goes out, phase difference can equally calculate shown in the image pattern 5 (c) on the spot.
In addition, the whole additions of difference that above-mentioned phase difference comparing section 310 can calculate each pixel of front all lump together the value that calculates with above-mentioned difference and are defined as the field phase value.That is, the field phase value among Fig. 5 (c) is 19+19+19+19-17-17-13-13+5+5+5+5-3-3-3-3=24.
When field phase value that the front calculated when the specified standard value is above, above-mentioned text broadcast judges that efferent 311 is judged as the signal of relevant text broadcast can receive, and sends the signal of judgement to above-mentioned control part 312.
Because in general the display direction of text broadcast is seen and be moved to the left from the right side in user's angle, therefore the standard value of afore mentioned rules should be positive number, and can consider the amount of text broadcast and speed, number of times, tone etc., thereby set the positive number of special value.
For example, when display frame was 720 pixels, 480 row, front specified standard value also can be set at 500.
The signal that above-mentioned control part 312 receives relevant above-mentioned text broadcast is judged as the signal that can receive, and can control above-mentioned reciprocal cross mistake portion 304 and above-mentioned display part 305, thereby being converted to general video mode from film mode, above-mentioned vision signal shows.
Fig. 6 is in the present invention, and the control method of the image display device of supporting film mode is carried out illustrated flow chart, describes as follows with reference to Fig. 6 to supporting the control method of the image display device of film mode among the present invention.
Judge at first whether the vision signal that sends to image display device is movies signal (S601).
Above-mentioned judged result (S601) just shows above-mentioned vision signal (S605) with general video mode if not movies signal.
And if above-mentioned judged result (S601) is a movies signal, just show above-mentioned vision signal (S602) with above-mentioned film mode.Be that above-mentioned film mode can be converted to the frame of two width of cloth 24Hz field of five 60Hz, and preferably include in the first frame A repeatedly a field and make three fields, in the second frame B, make the 3:2 translation function of two fields.
In addition, whether the signal that can also judge relevant text broadcast has been sent to (S603) in the above-mentioned image display device.Just the said here signal about text broadcast also comprises Word messages and relevant signal such as news, weather, life information except film lines captions.
When above-mentioned judged result (S603) is when not receiving the signal of relevant text broadcast, to begin repeatedly from S602.
If but above-mentioned judged result (S603) just is converted to above-mentioned film mode general video mode for having received the signal of relevant text broadcast, shows above-mentioned vision signal (S604).
Here to the detailed description in above-mentioned S603 stage with reference to Fig. 7, and the S603 stage comprise S603-1, S603-2, S603-3, S603-4 and S603-5.
The regulation field of display frame can be set at literal window field (S603-1); Here, the regulation field of above-mentioned display frame is preferably in the lower end of the picture of display text broadcasting, and to this, the practitioner just can understand the explanation of Fig. 4, the explanation of above-mentioned window generating unit by Fig. 4 and front.
The video data (S603-2) in the literal window field that storage is set previously; Here, the above-mentioned S603-2 stage preferably can store the video data of change in each respectively, and to this, the practitioner just is appreciated that by the above stated specification to storage part.
Whether each pixel of the video data of check earlier stored is white image (S603-3); Here, the above-mentioned S603-3 stage only utilizes the Y-signal in the Y/Cb/Cr signal to check white image, and to this, the practitioner just is appreciated that by the above stated specification of above-mentioned white image being tested out portion.
The white image that the front is checked out compares by the field, and calculated field phase value (S603-4); Here, the above-mentioned S603-4 stage is corresponding with the function of above-mentioned phase difference comparing section, and the practitioner can understand the explanation of phase difference comparing section by the front.
When the field phase value that calculates when the specified standard value is above, be judged as the signal (S603-5) that can receive relevant text broadcast; In general, during from the display direction of user's direction text broadcast, move to the left from the right side, so the standard value of afore mentioned rules is preferably positive number.And can consider that thereby the amount of text broadcast and speed, number of times, tone etc. set the positive number of special value.
For example, when display frame is 720 pixels, 480 row, the specified standard value can be set at 500.
The present invention is not limited in the foregoing description, just can know with reference to appended request scope, and the ABC person who possesses the affiliated field of the present invention can be out of shape it, and this distortion belongs in the scope of the present invention.
Claims (19)
1. an image display device of supporting film mode when the signal that receives is movies signal, can show with film mode, it is characterized in that comprising with the lower part:
The window generating unit is set at literal window field with the regulation field of display frame;
Storage part is stored the video data in the literal window field set in the above-mentioned window generating unit;
The text broadcast judging part compares to judge whether to receive the signal of relevant text broadcast above-mentioned video data stored;
Control part under the situation that the signal that closes above-mentioned text broadcast obtains receiving, is converted to general video mode with above-mentioned vision signal and shows to control it under above-mentioned image model.
2. press the image display device of the described support film mode of claim 1, it is characterized in that: above-mentioned film mode can be converted to the frame of two width of cloth 24Hz field of five 60Hz, and include in first frame repeatedly a field and make three fields, in second frame, make 3: 2 translation functions of two fields.
3. by the image display device of the described support film mode of claim 1, it is characterized in that: the regulation field of above-mentioned display frame generally will be positioned at the lower end of the display frame of display text broadcasting.
4. by the image display device of the described support film mode of claim 1, it is characterized in that: the signal of above-mentioned relevant text broadcast also comprises the Word message and the relevant signal of news, weather, life information except referring to film lines captions.
5. by the image display device of the described support film mode of claim 1, it is characterized in that: each is stored separately to the video data of change in each.
6. by the image display device of the described support film mode of claim 1, it is characterized in that above-mentioned text broadcast judging part comprises with the lower part:
White image is tested out portion, and whether each pixel that detects video data stored in the above-mentioned storage part is white image;
The phase difference comparing section is tested out the white image of checking out in the portion according to each to above-mentioned white image and is compared, to calculate the field phase value;
Text broadcast is judged efferent, when the field phase value that calculates in the above-mentioned phase difference comparing section when the specified standard value is above, judge whether the signal of relevant text broadcast obtains receiving.
7. by the image display device of the described support film mode of claim 6, it is characterized in that the above-mentioned white image portion of testing only utilizes the Y-signal in the Y/Cb/Cr signal to detect the white image signal.
8. press the image display device of the described support film mode of claim 6, it is characterized in that: become big absolute constant value gradually on the travel direction that above-mentioned phase difference comparing section is set in text broadcast for each pixel, at this moment the pixel value that does not detect white image is made as 0, then each pixel is calculated poor from after the absolute constant value of setting in the pixel that deducts in the absolute constant value of setting the pixel of front court with the front court, at last to the difference addition that will calculate in above-mentioned each pixel and the field phase value calculate.
9. by the image display device of the described support film mode of claim 6, it is characterized in that: the standard value of afore mentioned rules is a positive number.
10. control method of supporting the image display device of film mode is characterized in that comprising with the next stage:
Judge whether the vision signal that sends to image display device is the stage of movies signal;
When the vision signal that sends to above-mentioned image display device is movies signal, with film mode above-mentioned vision signal is shown, and judge simultaneously whether the signal of relevant text broadcast has sent to the stage of above-mentioned image display device;
And when the signal of relevant text broadcast has sent to above-mentioned image display device, above-mentioned vision signal is converted to the stage of general video mode to show from film mode.
11. by the described a kind of control method of supporting the image display device of film mode of claim 10, it is characterized in that: the field that can be converted to the frame of two width of cloth 24Hz five 60Hz in the above-mentioned film mode, and include in first frame repeatedly a field and make three fields, in second frame, make 3: 2 translation functions of two fields.
12., it is characterized in that stage that whether the above-mentioned signal of judging relevant text broadcast be sent to above-mentioned image display device is by constituting with the next stage by the control method of the image display device of the described support film mode of claim 10:
The regulation field of display frame is set at the stage of literal window;
The stage that the video data in the literal window field set is previously stored;
And institute's video data stored compared, with the stage of the signal that judges whether to have received relevant text broadcast.
13. press the control method of the image display device of the described support film mode of claim 12, it is characterized in that: the regulation field of above-mentioned display frame is positioned at the lower end of the display frame of display text broadcasting.
14. press the control method of the image display device of the described support film mode of claim 10, it is characterized in that: the signal of above-mentioned relevant text broadcast also comprises the Word message and the coherent signal of news, weather, life information except referring to film lines captions.
15. the control method by the image display device of the described support film mode of claim 12 is characterized in that: the stage that the video data in the literal window field of above-mentioned setting is stored is that the video data of change in each is stored respectively.
16. the control method by the image display device of the described support film mode of claim 12 is characterized in that institute's video data stored is compared, and also should comprise following several stages in the stage with the signal that judges whether to have received relevant text broadcast:
Whether each pixel that detects institute's video data stored is the stage of white image;
Above-mentioned detected white image is compared respectively by the field, and the stage of calculated field phase value;
And in the field phase value that is calculated when the specified standard phase value is above, judge the stage whether signal of relevant text broadcast obtains receiving.
17. the control method by the image display device of the described support film mode of claim 16 is characterized in that: in whether each pixel that detects institute's video data stored is stage of white image, only utilize the Y-signal in the Y/Cb/Cr signal to detect the white image signal.
18. press the control method of the image display device of the described support film mode of claim 16, it is characterized in that above-mentioned detected white image is undertaken relatively and in the stage of calculated field phase value also comprising with the next stage respectively by the field:
Each pixel is set in the stage of the absolute constant value that becomes big on the travel direction of text broadcast gradually;
The pixel that does not detect white image is set to the stage of 0 value;
To the stage of each pixel calculating from the difference after the absolute constant value of setting in the pixel that deducts in the absolute constant value of setting the pixel of front court with the front court;
And the stage that the field phase value that the difference that calculates in above-mentioned each pixel is added together is calculated.
19. press the control method of the image display device of the described support film mode of claim 16, it is characterized in that: described specified standard value is a positive number.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050074813 | 2005-08-16 | ||
| KR1020050074813A KR100662413B1 (en) | 2005-08-16 | 2005-08-16 | The display device for offering movie modes and method for controlling the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1917597A true CN1917597A (en) | 2007-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101158465A Pending CN1917597A (en) | 2005-08-16 | 2006-08-16 | The display device for offering movie modes and method for controlling the same |
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| Country | Link |
|---|---|
| KR (1) | KR100662413B1 (en) |
| CN (1) | CN1917597A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572290A (en) * | 2011-12-09 | 2012-07-11 | 上海高清数字科技产业有限公司 | Detection and processing method for 2-2 film mode |
| CN102572289A (en) * | 2011-08-02 | 2012-07-11 | 上海高清数字科技产业有限公司 | Method and device for detecting and processing movie mode |
| CN101594479B (en) * | 2008-05-30 | 2013-01-02 | 新奥特（北京）视频技术有限公司 | System for processing ultralong caption data |
| CN101594477B (en) * | 2008-05-30 | 2013-02-20 | 新奥特（北京）视频技术有限公司 | Processing system of ultralong caption rendering |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07322159A (en) * | 1994-05-23 | 1995-12-08 | Hitachi Ltd | Video signal processing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594479B (en) * | 2008-05-30 | 2013-01-02 | 新奥特（北京）视频技术有限公司 | System for processing ultralong caption data |
| CN101594477B (en) * | 2008-05-30 | 2013-02-20 | 新奥特（北京）视频技术有限公司 | Processing system of ultralong caption rendering |
| CN102572289A (en) * | 2011-08-02 | 2012-07-11 | 上海高清数字科技产业有限公司 | Method and device for detecting and processing movie mode |
| CN102572290A (en) * | 2011-12-09 | 2012-07-11 | 上海高清数字科技产业有限公司 | Detection and processing method for 2-2 film mode |
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| Publication number | Publication date |
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| KR100662413B1 (en) | 2007-01-02 |
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