CN103152541A - Ultra-high-definition display control method and device as well as ultra-high-definition television - Google Patents
Ultra-high-definition display control method and device as well as ultra-high-definition television Download PDFInfo
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- CN103152541A CN103152541A CN2013100768420A CN201310076842A CN103152541A CN 103152541 A CN103152541 A CN 103152541A CN 2013100768420 A CN2013100768420 A CN 2013100768420A CN 201310076842 A CN201310076842 A CN 201310076842A CN 103152541 A CN103152541 A CN 103152541A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
Abstract
The invention provides an ultra-high-definition display control method and an ultra-high-definition display control device as well as an ultra-high-definition television, wherein the ultra-high-definition display control method comprises the following steps that received 4K*2K signals are resolved into 2K*1K transition signals; the 2K*1K transition signals are subjected to decoding processing, and 2K*1K screen display signals are obtained; and the 2K*1K screen display signals are converted into 4K*2K target signals, the 4K*2K target signals are provided for an ultra-high-definition screen, and the ultra-high-definition display is realized. For a film source of 4K*2K signals, the film source is resolved into the 2K*1K transition signals so that the traditional television chip can conveniently carry out the decoding processing, the 2K*1K screen display signals are obtained, the 2K*1K screen display signals subjected to the decoding processing are synthesized into the 4K*2K target signals, and the goal that the ultra-high-definition screen realizes the ultra-high-definition display on ultra-high-definition signals is reached.
Description
Technical field
The present invention relates to the Display Technique field, specially refer to control method that a kind of ultra high-definition shows and device, ultra high-definition television set.
Background technology
Ultra high-definition TV (UHDTV) is that number of pixels reaches 3840 * 2160(4K * 2K) or 7680 * 4320(8K * 4K) TV, compare full HD TV (FHDTV) 1920 * 1080(2K * 1K) number of pixels, its number of pixels has improved 4 times or 16 times, so its image appearance is very clear, fine and smooth.The ultra high-definition television standard of formulating at ITU-R comprises 4K * 2K standard and 8K * 4K standard, and 4K * 2K UHDTV more easily realizes and popularizes than 8K * 4K UHDTV, is focus and direction that current TV industry is paid close attention to and developed.
Current ultra high-definition TV is mainly to receive 2K * 1K signal, through decoding, image quality, after processing, by amplification, processes to drive the superelevation cls, realizes that ultra high-definition shows; And converting 2K * 1K for 4K * 2K signal demand to by special instrument and means, cost is high, complicated operation, reliability are low, and has the image fault that shows, the defect such as fuzzy.Be that problems of the prior art are: existing ultra high-definition TV is because of its TV chip for full HD Design of Signal, and when film source is the signal of 4K * 2K, its superelevation cls can't realize that ultra high-definition shows to the ultra high-definition signal.
Summary of the invention
Main purpose of the present invention is to provide the control method that a kind of ultra high-definition shows, is intended to make the superelevation cls to realize that to the ultra high-definition signal ultra high-definition shows.
The embodiment of the invention discloses the control method that a kind of ultra high-definition shows, comprise the following steps:
The 4K of reception * 2K signal decomposition is become to 2K * 1K transition signal;
To the processing of decoding of described 2K * 1K transition signal, to obtain 2K * 1K screen display signals;
Convert described 2K * 1K screen display signals to 4K * 2K echo signal and realize that to offer the superelevation cls ultra high-definition shows.
Preferably, describedly become the concrete steps of 2K * 1K transition signal to comprise the 4K that receives * 2K signal decomposition:
The frequency of the 4K that identification receives * 2K signal;
When the frequency of received 4K * 2K signal belongs to the first frequency group, received 4K * 2K signal is carried out to the compression of frame pixel to obtain 4K * 1K signal;
When the frequency of received 4K * 2K signal belongs to the second frequency group, the compression of carrying out the frame pixel at the 4K to received * 2K signal also comprised in the past carries out the frame extraction step to received 4K * 2K signal, with the frequency inverted of the 4K by being received * 2K signal to described first frequency group;
What described 4K * 1K signal was carried out to the frame pixel cuts apart to obtain 2K * 1K transition signal;
Wherein the first frequency group comprises 24Hz, 25Hz and 30Hz, and the second frequency group comprises 50Hz, 59.94Hz and 60Hz.
Preferably, frequency is belonged to the 4K received of described first frequency group * 2K signal and carry out the mode of frame extraction for to extract every frame.
The mode of preferably, received 4K * 2K signal being carried out to the compression of frame pixel is that pixel is removed in interlacing.
The mode of preferably, described 4K * 1K signal being carried out to the frame pixel segmentation is that left and right is cut apart.
Preferably, the described concrete steps that convert described 2K * 1K screen display signals to 4K * 2K echo signal comprise:
Described 2K * 1K screen display signals is inserted to row and amplify processing to obtain 2K * 2K signal;
Described 2K * 2K signal is carried out to frame and merge processing to obtain 4K * 2K echo signal.
Preferably, described to described 2K * 1K screen display signals insert row amplify to process take obtain slotting capable formula that 2K * the 2K signal is adopted as:
The pixel of the odd-numbered frame of described 2K * 2K signal is E(L/R) ' ' pq, the pixel of the current line of the odd-numbered frame of described 2K * 1K screen display signals is E(L/R) ' ab, the up pixel of the odd-numbered frame of described 2K * 1K screen display signals is E(L/R) ' (a-1) b, the descending pixel of the odd-numbered frame of described 2K * 1K screen display signals is E(L/R) ' (a+1) b, the pixel of the current line of the even frame corresponding with the odd-numbered frame of described 2K * 1K screen display signals is O(L/R) ' ab, the pixel of the current line of the front even frame adjacent with the odd-numbered frame of described 2K * 1K screen display signals is O(L/R)
-1' ab, ' ' pq=E(L/R) ' ab when p is odd number, E(L/R), p=2a-1 wherein, q=b, ' ' pq=k1* E(L/R) ' (a-1) b+ k2*E(L/R when p is even number, E(L/R)) ' (a+1) b+ K3* O(L/R) ' ab+k4* O(L/R)
-1' ab, p=2a wherein, q=b, E(L/R) ' (a-1) b and E(L/R) ' (a+1) the first coefficient of b be that k1, its second coefficient are k2, E(L/R) the similarity relating value of ' frame and O(L/R) ' frame is K3, E(L/R) ' frame and O(L/R)
-1' the similarity relating value of frame is k4,
The pixel of the even frame of described 2K * 2K signal is O(L/R) ' ' pq, the pixel of the current line of the even frame of described 2K * 1K screen display signals is O(L/R) ' ab, the up pixel of the even frame of described 2K * 1K screen display signals is O(L/R) ' (a-1) b, the descending pixel of the even frame of described 2K * 1K screen display signals is O(L/R) ' (a+1) b, the pixel of the current line of the odd-numbered frame corresponding with the even frame of described 2K * 1K screen display signals is E(L/R) ' ab, the pixel of the current line of the rear odd-numbered frame adjacent with the even frame of described 2K * 1K screen display signals is E(L/R)
+ 1' ab, ' ' pq=O(L/R) ' ab when p is even number, O(L/R), p=2a wherein, q=b, ' ' pq=k5* O(L/R) ' (a-1) b+ k6*O(L/R when p is odd number, O(L/R)) ' (a+1) b+ K7* E(L/R) ' ab+k8* E(L/R)
+ 1' ab, p=2a-1 wherein, q=b, O(L/R) ' (a-1) b and O(L/R) ' (a+1) the first coefficient of b be that k5, its second coefficient are k6, O(L/R) the similarity relating value of ' frame and E(L/R) ' frame is K7, O(L/R) ' frame and E(L/R)
+ 1' the similarity relating value of frame is k8.
The embodiment of the invention also discloses the control device that a kind of ultra high-definition shows, comprising:
The frame decomposing module, become 2K * 1K transition signal for the 4K by receiving * 2K signal decomposition;
The frame decoding module, for processing that described 2K * 1K transition signal is decoded, to obtain 2K * 1K screen display signals;
And the frame synthesis module, for described 2K * 1K screen display signals being converted to 4K * 2K echo signal, to offer the ultra high-definition screen display, show.
Preferably, described frame decomposing module comprises:
The frequency identification unit, the frequency of the 4K received for identification * 2K signal;
The frame extracting unit, when the frequency of received 4K * 2K signal is identified as while belonging to the second frequency group by described frequency identification unit, for received 4K * 2K signal is carried out to the frame extraction, with the frequency inverted of the 4K by being received * 2K signal to described first frequency group;
Frame pixel compression unit, when the frequency of received 4K * 2K signal is identified as when belonging to the first frequency group or being converted to the first frequency group by described frame extracting unit by described frequency identification unit, carry out the compression of frame pixel for the 4K to received * 2K signal to obtain 4K * 1K signal;
And frame pixel segmentation unit, cut apart to obtain 2K * 1K transition signal for what described 4K * 1K signal is carried out to the frame pixel;
Wherein the first frequency group comprises 24Hz, 25Hz and 30Hz, and the second frequency group comprises 50Hz, 59.94Hz and 60Hz.
Preferably, described frame synthesis module comprises:
Frame pixel amplifying unit, amplify processing to obtain 2K * 2K signal for described 2K * 1K screen display signals being inserted to row;
And the frame merge cells, merge processing to obtain 4K * 2K echo signal for described 2K * 2K signal being carried out to frame.
The embodiment of the invention also discloses a kind of ultra high-definition television set, comprise control device and superelevation cls that form judgment means, ultra high-definition show;
Described form judgment means, whether the signal of inputting for judgement is 4K * 2K signal, if the signal that judgement is inputted is 4K * 2K signal, described 4K * 2K signal is exported to the control device that described ultra high-definition shows;
The control device that described ultra high-definition shows, for the control device that the described ultra high-definition in above-mentioned arbitrary technical scheme shows, can realize that for controlling described ultra high-definition television set ultra high-definition shows;
Described superelevation cls, show the 4K of the control device output that described ultra high-definition shows * 2K signal for ultra high-definition.
The control method that ultra high-definition disclosed in this invention shows, become 2K * 1K transition signal by the 4K by receiving * 2K signal decomposition; And then can be to the processing of decoding of 2K * 1K transition signal for the TV chip of full HD (2K * 1K) Design of Signal, with the 2K after obtaining decoding, image quality and processing * 1K screen display signals; Finally convert this 2K * 1K screen display signals to 4K * 2K echo signal.For the film source of 4K * 2K signal, the present invention processes to obtain the screen display signals of 2K * 1K by being broken down into 2K * 1K transition signal so that traditional TV chip is decoded, and, by the synthetic 4K of the 2K after the processing of decoding * 1K screen display signals * 2K echo signal, to reach the superelevation cls, the ultra high-definition signal is realized to the purpose that ultra high-definition shows.
The accompanying drawing explanation
The schematic flow sheet that Fig. 1 is the control method that in the preferred embodiment for the present invention, ultra high-definition shows;
In the preferred embodiment of the control method that Fig. 2 is ultra high-definition demonstration of the present invention, the 4K of reception * 2K signal decomposition is become to the schematic flow sheet of 2K * 1K transition signal;
In the preferred embodiment of the control method that Fig. 3 is ultra high-definition demonstration of the present invention, described 2K * 1K screen display signals is converted to the schematic flow sheet of 4K * 2K echo signal;
The structural representation that Fig. 4 is the control device that in the preferred embodiment for the present invention, ultra high-definition shows;
Fig. 5-1 is odd-numbered frame pixel (6 * 6 pixels) schematic diagram in the 4K in the present invention * 2K@30Hz signal;
Fig. 5-2 are even frame pixel (6 * 6 pixels) schematic diagram in the 4K in the present invention * 2K@30Hz signal;
E ' the frame pixel schematic diagram that Fig. 6-1 forms after compression for the E frame pixel shown in Fig. 5-1;
O ' the frame pixel schematic diagram that Fig. 6-2 form after compression for the O frame pixel shown in Fig. 5-2;
The E that Fig. 7-1 forms after cutting apart for E ' the frame pixel shown in Fig. 6-1
'l frame pixel schematic diagram;
The E that Fig. 7-2 form after cutting apart for E ' the frame pixel shown in Fig. 6-1
'r frame pixel schematic diagram;
The O that Fig. 7-3 form after cutting apart for O ' the frame pixel shown in Fig. 6-2
'l frame pixel schematic diagram;
The O that Fig. 7-4 form after cutting apart for O ' the frame pixel shown in Fig. 6-2
'r frame pixel schematic diagram;
Fig. 8-1 is the E shown in Fig. 7-1
'eL ' the frame pixel schematic diagram that L frame pixel forms after image decoding and image processing;
Fig. 8-2 are the E shown in Fig. 7-2
'eR ' the frame pixel schematic diagram that R frame pixel forms after image decoding and image processing;
Fig. 8-3 are the O shown in Fig. 7-3
'oL ' the frame pixel schematic diagram that L frame pixel forms after image decoding and image processing;
Fig. 8-4 are the O shown in Fig. 7-4
'oR ' the frame pixel schematic diagram that R frame pixel forms after image decoding and image processing;
Fig. 9-1 is that EL ' the frame pixel shown in Fig. 8-1 is through inserting after row amplifies processing EL ' ' the frame pixel schematic diagram formed;
Fig. 9-2 are that ER ' the frame pixel shown in Fig. 8-2 is through inserting after row amplifies processing ER ' ' the frame pixel schematic diagram formed;
Fig. 9-3 are that OL ' the frame pixel shown in Fig. 8-3 is through inserting after row amplifies processing OL ' ' the frame pixel schematic diagram formed;
Fig. 9-4 are that OR ' the frame pixel shown in Fig. 8-4 is through inserting after row amplifies processing OR ' ' the frame pixel schematic diagram formed;
Figure 10-1 for EL ' ' the frame pixel shown in Fig. 9-1, show and Fig. 9-2 shown in ER ' ' frame picture through merging after processing the ME frame pixel schematic diagram formed;
Figure 10-2 for OL ' ' the frame pixel shown in Fig. 9-3, show and Fig. 9-4 shown in OR ' ' frame picture through merging after processing the MO frame pixel signal formed;
The structural representation that Figure 11 is ultra high-definition television set in the preferred embodiment for the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention discloses the control method that a kind of ultra high-definition shows, with reference to Fig. 1, the control method that ultra high-definition shows in this embodiment comprises the following steps:
Step S01, become 2K * 1K transition signal by the 4K of reception * 2K signal decomposition.
While becoming 2K * 1K transition signal can meet current TV decoding and image to process by the 4K by receiving * 2K signal decomposition to the requirement of signal format.
Step S02, to the processing of decoding of described 2K * 1K transition signal, to obtain 2K * 1K screen display signals.
Step S03, convert described 2K * 1K screen display signals to 4K * 2K echo signal and realize that to offer the superelevation cls ultra high-definition shows.
By converting described 2K * 1K screen display signals to 4K * 2K echo signal, can drive ultra high-definition (UHD) screen to realize that ultra high-definition shows, and can avoid the sudden change of image, can prevent appearance image blurring and the edge sawtooth, effectively improve the display quality of image.
Film source for 4K * 2K signal, the present invention processes to obtain 2K * 1K screen display signals by being broken down into 2K * 1K transition signal so that traditional TV chip is decoded, and, by the synthetic 4K of the 2K after the processing of decoding * 1K screen display signals * 2K echo signal, to reach the superelevation cls, the ultra high-definition signal is realized to the purpose that ultra high-definition shows.
In specific embodiment, with reference to Fig. 2, become the concrete steps of 2K * 1K transition signal to comprise the 4K of reception * 2K signal decomposition:
Step S11, the frequency of the 4K that identification receives * 2K signal; When the frequency of received 4K * 2K signal is identified as belonging to the first frequency group, execution step S13; When the frequency of received 4K * 2K signal is identified as belonging to the second frequency group, execution step S12.Wherein the first frequency group comprises 24Hz, 25Hz and 30Hz, and the second frequency group comprises 50Hz, 59.94Hz and 60Hz.
Step S12, carry out the frame extraction to received 4K * 2K signal, with the frequency inverted of the 4K by being received * 2K signal, to described first frequency group, then performs step S13.
Step S13, carry out the compression of frame pixel to obtain 4K * 1K signal to received 4K * 2K signal.
Step S14, what described 4K * 1K signal was carried out to the frame pixel cuts apart to obtain 2K * 1K transition signal.
As preferred embodiment, frequency is belonged to the 4K received of described first frequency group * 2K signal and carry out the mode of frame extraction for to extract every frame.As: when the 4K received * 2K signal is 4K * 2K@60Hz, extract odd-numbered frame or the even frame of 4K * 2K@60Hz signal, form 4K * 2K@30Hz signal in order to follow-uply carry out the compression of frame pixel.When received 4K * 2K signal is 4K * 2K@30Hz, do not carry out the frame extraction, directly carry out follow-up frame pixel compression.Certainly carry out frame and extract and to be not limited to aforesaid way, as be continuous drawing, particularly, when received 4K * 2K signal is 4K * 2K@50Hz, can count frame to form 4K * 2K@30Hz signal or to form 4K * 2K@25Hz signal by continuous drawing.
As preferred embodiment, the mode of received 4K * 2K signal being carried out to the compression of frame pixel is that pixel is removed in interlacing.As 4K * 2K@30Hz signal carried out to the compression of frame pixel, process, retain the even number line of odd-numbered frame (E frame) and remove its odd-numbered line formation E ' frame and retain the odd-numbered line of even frame (O frame) and remove its even number line formation O ' frame, the odd-numbered line pixel value that wherein each row pixel value of E ' frame is the E frame, the even number line pixel value that each row pixel value of O ' frame is the O frame, 4K * 2K@30Hz signal carries out after the compression of frame pixel is processed having formed 4K * 1K@30Hz signal.Retain for another example the odd-numbered line of odd-numbered frame (E frame) and remove its even number line and retain the even number line of even frame (O frame) and remove its odd-numbered line, certainly being not limited to above-mentioned two kinds of modes.Be understandable that the mode of carrying out the compression of frame pixel also is not limited to interlacing and removes pixel simultaneously.Can avoid the loss of image vertical direction information by the mode that adopts interlacing to remove pixel.
As preferred embodiment, the mode of described 4K * 1K signal being carried out to the frame pixel segmentation is that left and right is cut apart.As 4K * 1K@30Hz signal is carried out to the processing of frame pixel segmentation, E ' the frame of 4K * 1K@30Hz signal is divided into to the left and right two halves and forms left half odd-numbered frame (E ' L frame) and right half odd-numbered frame (E ' R frame), O ' the frame of 4K * 1K@30Hz signal is divided into to left and right two halves and forms (O ' L frame) and (O ' R frame), 4K * 1K@30Hz signal carries out having formed 2K * 1K@60Hz signal after the processing of frame pixel segmentation.Certainly carry out the frame pixel segmentation and be not limited to aforesaid way, as can be cuts apart up and down.
Be understandable that, described 2K * 1K transition signal is decoded to process specifically to be comprised described 2K * 1K transition signal is carried out to image decoding and image processing part step by step, and the operation with traditional television set chip at this place can complete, and does not repeat them here.
In specific embodiment, with reference to Fig. 3, the concrete steps that described 2K * 1K screen display signals converted to 4K * 2K echo signal comprise:
Step S21, insert row to described 2K * 1K screen display signals and amplify processing to obtain 2K * 2K signal.
Step S22, carry out frame to described 2K * 2K signal and merge processing to obtain 4K * 2K echo signal.
As preferred embodiment, to described 2K * 1K screen display signals insert row amplify to process take obtain slotting line algorithm that 2K * the 2K signal is adopted as:
Be defined as follows: the pixel of the odd-numbered frame of 2K * 2K signal is E(L/R) ' ' pq, the pixel of the current line of the odd-numbered frame of 2K * 1K screen display signals is E(L/R) ' ab, the up pixel of the odd-numbered frame of 2K * 1K screen display signals is E(L/R) ' (a-1) b, the descending pixel of the odd-numbered frame of 2K * 1K screen display signals is E(L/R) ' (a+1) b, the pixel of the current line of the even frame corresponding with the odd-numbered frame of 2K * 1K screen display signals is O(L/R) ' ab, the pixel of the current line of the front even frame adjacent with the odd-numbered frame of 2K * 1K screen display signals is O(L/R)
-1' ab;
' ' pq=E(L/R) ' ab when p is odd number, E(L/R), p=2a-1 wherein, q=b;
' ' pq=k1* E(L/R) ' (a-1) b+ k2*E(L/R when p is even number, E(L/R)) ' (a+1) b+ K3* O(L/R) ' ab+k4* O(L/R)
-1' ab; P=2a wherein, q=b, E(L/R) ' (a-1) b and E(L/R) ' (a+1) the first coefficient of b be that k1, its second coefficient are k2, E(L/R) the similarity relating value of ' frame and O(L/R) ' frame is K3, E(L/R) ' frame and O(L/R)
-1' the similarity relating value of frame is k4.
And be defined as follows: the pixel of the even frame of 2K * 2K signal is O(L/R) ' ' pq, the pixel of the current line of the even frame of 2K * 1K screen display signals is O(L/R) ' ab, the up pixel of the even frame of 2K * 1K screen display signals is O(L/R) ' (a-1) b, the descending pixel of the even frame of 2K * 1K screen display signals is O(L/R) ' (a+1) b, the pixel of the current line of the odd-numbered frame corresponding with the even frame of 2K * 1K screen display signals is E(L/R) ' ab, the pixel of the current line of the rear odd-numbered frame adjacent with the even frame of 2K * 1K screen display signals is E(L/R)
+ 1' ab;
' ' pq=O(L/R) ' ab when p is even number, O(L/R), p=2a wherein, q=b;
' ' pq=k5* O(L/R) ' (a-1) b+ k6*O(L/R when p is odd number, O(L/R)) ' (a+1) b+ K7* E(L/R) ' ab+k8* E(L/R)
+ 1' ab; P=2a-1 wherein, q=b, O(L/R) ' (a-1) b and O(L/R) ' (a+1) the first coefficient of b be that k5, its second coefficient are k6, O(L/R) the similarity relating value of ' frame and E(L/R) ' frame is K7, O(L/R) ' frame and E(L/R)
+ 1' the similarity relating value of frame is k8.
When the above-mentioned mode that described 4K * 1K signal is carried out to the frame pixel segmentation is that left and right is cut apart, described 2K * 2K signal is carried out to frame and merge and process that to take the mode of obtaining 4K * 2K echo signal be that left and right merges.
The invention discloses the control device that a kind of ultra high-definition shows, the control method that the control device that this ultra high-definition shows shows with the ultra high-definition in above-mentioned arbitrary embodiment all can be corresponding, particularly, can be with reference to Fig. 4, the control device that ultra high-definition shows in this embodiment comprises frame decomposing module 1, frame decoding module 2 and frame synthesis module 3.Wherein the frame decomposing module 1, become 2K * 1K transition signal for the 4K that will receive * 2K signal decomposition, while by frame decomposing module 1, the 4K that receives * 2K signal decomposition being become 2K * 1K transition signal can meet current TV decoding and image to process to the requirement of signal format.Frame decoding module 2, for processing that described 2K * 1K transition signal is decoded, to obtain superelevation cls 2K * 1K screen display signals.Frame synthesis module 3, for converting described 2K * 1K screen display signals to 4K * 2K echo signal, to offer the ultra high-definition screen display, show, convert described 2K * 1K screen display signals to 4K * 2K echo signal by frame synthesis module 3, can drive ultra high-definition (UHD) screen to realize that ultra high-definition shows, and can avoid the sudden change of image, can prevent appearance image blurring and the edge sawtooth, effectively improve the display quality of image.
Film source for 4K * 2K signal, the present invention is broken down into 2K * 1K transition signal by frame decomposing module 1 and processes and obtain 2K * 1K screen display signals so that traditional TV chip (the frame decoding module 2 in corresponding the present invention) is decoded, and then, by frame synthesis module 3 2K after the processing * synthetic 4K of the 1K screen display signals * 2K echo signal of decoding, to reach the superelevation cls, the ultra high-definition signal is realized to the purpose that ultra high-definition shows.
Referring again to Fig. 4, in specific embodiment, frame decomposing module 1 comprises frequency identification unit 11, frame extracting unit 12, frame pixel compression unit 13 and frame pixel segmentation unit 14.Wherein the frequency identification unit 11, the frequency of the 4K received for identification * 2K signal; Frame extracting unit 12, when the frequency of received 4K * 2K signal is identified as while belonging to the second frequency group by described frequency identification unit, for received 4K * 2K signal is carried out to the frame extraction, with the frequency inverted of the 4K by being received * 2K signal to described first frequency group; Frame pixel compression unit 13, when the frequency of received 4K * 2K signal is identified as and belongs to or while by described frame extracting unit, being converted to the first frequency group, carry out the compression of frame pixel for the 4K to received * 2K signal to obtain 4K * 1K signal by described frequency identification unit; Frame pixel segmentation unit 14, cut apart to obtain 2K * 1K transition signal for what described 4K * 1K signal is carried out to the frame pixel; Wherein the first frequency group comprises 24Hz, 25Hz and 30Hz, and the second frequency group comprises 50Hz, 59.94Hz and 60Hz.
Referring again to Fig. 4, in specific embodiment, frame synthesis module 3 comprises frame pixel amplifying unit 31 and frame merge cells 32, and wherein frame pixel amplifying unit 31, amplify processing to obtain 2K * 2K signal for described 2K * 1K screen display signals being inserted to row; Frame merge cells 32, merge processing to obtain 4K * 2K echo signal for described 2K * 2K signal being carried out to frame.
Be understandable that, the control device shown for the ultra high-definition in above-mentioned arbitrary embodiment, it can arrange independently control module 4 and memory module 5, control module 4 is carried out corresponding operating for control frame decomposing module 1, frame decoding module 2 and frame synthesis module 3, the various data that memory module 5 inputs or outputs for storage frame decomposing module 1, frame decoding module 2 and frame synthesis module 3.
In order to make purpose of the present invention, technical scheme and advantage clearer, below take input signal 4K * 2K@30Hz and 4K * 2K@60Hz and be further elaborated as control method and the device that example shows ultra high-definition in the present invention.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
1, when the frequency of received 4K * 2K signal is identified as 4K * 2K@60Hz by frequency identification unit 11, this 4K * 2K@60Hz signal is transferred to frame extracting unit 12; When the frequency of received 4K * 2K signal is identified as 4K * 2K@30Hz by frequency identification unit 11, this 4K * 2K@30Hz signal is transferred to frame pixel compression unit 13.
2, the 4K of 12 pairs of inputs of frame extracting unit * 2K@60Hz signal carries out the frame extraction to obtain 4K * 2K@30Hz signal in the mode extracted every frame.The odd-numbered frame that extracts 4K * 2K@60Hz signal of take is example, and the frame abstracting method is: when the 4K received * 2K@60Hz signal is odd-numbered frame, control frame extracting unit 12 allows odd-numbered frame export to frame pixel compression unit 13; When the 4K received * 2K@60Hz signal is even frame, control frame extracting unit 12 allows even frame can not export to frame pixel compression unit 13.In each 60 frames of the 4K that final frame extracting unit 12 receives * 2K@60Hz signal, only have the odd-numbered frame of 30 frames to export to frame pixel compression unit 13, the new 4K that frame pixel compression unit 13 receives * 2K@30Hz signal.
In the 4K that frame pixel compression unit 13 receives * 2K@30Hz signal, odd-numbered frame (E frame) pixel (6 * 6 pixels of take are example) schematic diagram is as shown in Fig. 5-1, and its even frame (O frame) pixel (6 * 6 pixels of take are example) schematic diagram is as shown in Fig. 5-2.
3, the mode that the 4K of 13 pairs of inputs of frame pixel compression unit * 2K@30Hz signal is removed pixel with interlacing is carried out the compression of frame pixel to obtain 4K * 1K@30Hz signal.Frame pixel compression method is:
If the pixel value that the pixel value of the E frame of the 4K that frame pixel compression unit 13 receives * 2K@30Hz signal is Eij, O frame is Oij, i is 1～2160, j is 3840.
The E frame is carried out to frame pixel compression and process, retain the odd-numbered line pixel of E frame and ignore the even number line pixel of E frame, formed E
'frame, E
'frame is 4K * 1K(3840 * 1080) frame; The O frame is carried out to frame pixel compression and process, retain the even number line pixel of O frame and ignore the odd-numbered line pixel of O frame, formed O
'frame, O
'frame is 4K * 1K(3840 * 1080) frame.
Establish again E
'the pixel value of frame is E
'mn, O
'the pixel value of frame is O
'mn, m is 1～1080, n is 3840.:
E
'mn=Eij, n=j wherein, 2m=i+1; Be E
'the odd-numbered line pixel value that each row pixel value of frame is the E frame.
O
'mn=Oij, n=j wherein, 2m=i; Be O
'the odd-numbered line pixel value that each row pixel value of frame is the O frame.
It is the series of frames that 4K * 1K@30Hz signal is comprised of E ' frame and O ' frame of output after frame pixel compression unit 13 is processed, and the odd-numbered line pixel value of the E frame that each row pixel value of E ' frame is input signal, the even number line pixel value of the O frame that each row pixel value of O ' frame is input signal.As in Figure 6-1, O ' the frame pixel schematic diagram that the O frame pixel shown in Fig. 5-2 forms after compression is as shown in Fig. 6-2 for E ' the frame pixel schematic diagram that wherein the E frame pixel shown in Fig. 5-1 forms after compression.
4, the mode that the 4K of the 14 pairs of inputs in frame pixel segmentation unit * 1K@30Hz signal is cut apart with left and right is carried out the frame pixel segmentation to obtain 2K * 1K@60Hz signal, and 2K * 1K@60Hz signal is exported to frame decoding module 2.Frame pixel segmentation method is: to E
'frame carries out the frame processes pixel, obtains E
'frame left-half pixel forms E
'the L frame, obtain E
'frame right half part pixel forms E
'the R frame; Equally to O
'frame carries out the frame processes pixel, obtains O
'frame left-half pixel forms O
'the L frame, obtain O
'frame right half part pixel forms O
'the R frame.E
'l, E
'r, O
'l, O
'the R frame is 2K * 1K(1920 * 1080) frame.The E of cutting apart rear formation
'l, E
'r, O
'l, O
'the frequency of R series of frames signal is 2 times of the input frame frequency, i.e. 60Hz.The E that wherein E ' the frame pixel shown in Fig. 6-1 forms after cutting apart
'l frame pixel schematic diagram as shown in Fig. 7-1, the E that E ' the frame pixel shown in Fig. 6-1 forms after cutting apart
'r frame pixel schematic diagram as shown in Fig. 7-2, the O that O ' the frame pixel shown in Fig. 6-2 forms after cutting apart
'l frame pixel schematic diagram as shown in Fig. 7-3, the O that O ' the frame pixel shown in Fig. 6-2 forms after cutting apart
'r frame pixel schematic diagram is as shown in Fig. 7-4.
5, frame decoding module 2 comprises image decoding unit 21 and graphics processing unit 22, after the 2K of received frame pixel segmentation unit 14 output * 1K 60Hz signal to its carry out image decoding and image process after, to 3 outputs of frame synthesis module through image decoding with the 2K after processing * 1K 60Hz screen display signals, wherein image is processed image quality such as comprising interlacing, noise reduction, brightness enhancing and is processed.
Be that E ' L, E ' R, O ' L, O ' the R series of frames of 2 pairs of inputs of frame decoding module carried out after image decoding and image process, form EL ', ER ', OL ', OR ' series of frames, and the 2K formed by EL ', ER ', OL ', OR ' series of frames to 3 outputs of frame synthesis module * 1K@60Hz signal.The E shown in Fig. 7-1 wherein
'eL ' the frame pixel schematic diagram that L frame pixel forms after image decoding and image are processed as shown in Fig. 8-1, the E shown in Fig. 7-2
'eR ' the frame pixel schematic diagram that R frame pixel forms after image decoding and image are processed as shown in Fig. 8-2, the O shown in Fig. 7-3
'oL ' the frame pixel schematic diagram that L frame pixel forms after image decoding and image are processed as shown in Fig. 8-3, the O shown in Fig. 7-4
'oR ' the frame pixel schematic diagram that R frame pixel forms after image decoding and image processing is as shown in Fig. 8-4.
6, the 2K of 31 pairs of inputs of frame pixel amplifying unit * 1K@60Hz signal is inserted row amplification processing to obtain 2K * 2K@60Hz signal, and 2K * 2K@60Hz signal is exported to frame merge cells 32.The method that frame is inserted the row amplification is:
Frame pixel amplifying unit 31 receives continuous OL
-1' frame, OR
-1' frame, EL ' frame, ER ' frame, OL ' frame, OR ' frame, EL
+ 1' frame, ER
+ 1' frame.
EL ' frame is inserted to row and amplify formation EL ' ', odd-numbered line pixel EL ' the current line pixel order of EL ' ' frame is filled, and the uplink and downlink pixel value of the even number line pixel of EL ' ' frame and EL ' frame current line and OL ' and the OL adjacent with EL '
-1' pixel value of frame current line is relevant, by comprehensive interpolation, draw.Detailed process is:
If the pixel value that the pixel value of EL ' frame is EL ' ab, EL ' ' frame is EL ' ' pq, wherein a is 1～1080, b is that 1～1920, a is that p～2160, q are 1～1920.
When p is odd number: EL ' ' pq=EL ' ab; Wherein p=2a-1, q=b.
When p is even number: EL ' ' pq=k1* EL ' is (a+1) b+K3* OL ' ab+k4* OL of b+k2*EL ' (a-1)
-1' ab; Wherein p=2a, q=b.EL ' is (a+1) b, OL ' ab, OL of b, EL ' (a-1)
-1' value of ab is given value.K1, k2, k3, K4 can draw according to method of the prior art, wherein EL ' (a-1) b and EL ' (a+1) the first coefficient of b be that k1, its second coefficient are k2, the similarity relating value of EL ' frame and OL ' frame is K3, EL ' frame and OL
-1' the similarity relating value of frame is k4.
ER ' frame is inserted and gone amplification formation ER ' ' with the same to the slotting row amplification of EL ' frame formation EL ' ' process, do not repeat them here.
OL ' frame is inserted to row and amplify formation OL ' ', even number line pixel OL ' the current line pixel order of OL ' ' frame is filled, and the uplink and downlink pixel value of the odd-numbered line pixel of OL ' ' frame and OL ' frame current line and EL ' and the EL adjacent with OL '
+ 1' pixel value of frame current line is relevant, by comprehensive interpolation, draw.Detailed process is:
If the pixel value that the pixel value of OL ' frame is OL ' ab, OL ' ' frame is OL ' ' pq, wherein a is 1～1080, b is that 1～1920, a is that p～2160, q are 1～1920.
When p is odd number: OL ' ' pq=k5* OL ' is (a+1) b+K7* EL ' ab+k8* EL of b+k6*OL ' (a-1)
+ 1' ab; Wherein p=2a-1, q=b.OL ' is (a+1) b, EL ' ab, EL of b, OL ' (a-1)
+ 1' value of ab is given value.K5, k6, k7, K8 can draw according to method of the prior art, wherein OL ' (a-1) b and OL ' (a+1) the first coefficient of b be that k5, its second coefficient are k6, the similarity relating value of OL ' frame and EL ' frame is K7, OL ' frame and EL
+ 1' the similarity relating value of frame is k8.
When p is even number: OL ' ' pq=OL ' ab; Wherein p=2a, q=b.
OR ' frame is inserted and gone amplification formation OR ' ' with the same to the slotting row amplification of OL ' frame formation OL ' ' process, do not repeat them here.
Wherein EL ' ' the frame pixel schematic diagram of the formation after inserting row to amplify processing of EL ' the frame pixel shown in Fig. 8-1 is as shown in Fig. 9-1, ER ' ' the frame pixel schematic diagram of the formation after inserting row to amplify processing of ER ' the frame pixel shown in Fig. 8-2 is as shown in Fig. 9-2, OL ' ' the frame pixel schematic diagram of the formation after inserting row to amplify processing of OL ' the frame pixel shown in Fig. 8-3 is as shown in Fig. 9-3, and OR ' ' the frame pixel schematic diagram of the formation after inserting row to amplify processing of OR ' the frame pixel shown in Fig. 8-4 is as shown in Fig. 9-4.
7, the 2K of 32 pairs of inputs of frame merge cells * 2K@60Hz signal carries out frame merging processing to obtain 4K * 2K@30Hz echo signal, and the method that frame merges is: the odd-numbered frame of establishing 4K * 2K@30Hz echo signal is the ME frame, and even frame is the MO frame.After frame merge cells 32 receives EL ' ' frame, by the pixel filling of EL ' ' frame in the left-half of ME frame, and continue to receive ER ' ' frame; After receiving ER ' ' frame, the right half part by the pixel filling of ER ' ' frame at the ME frame; Formed the ME frame.Frame merge cells 32 continues to receive OL ' ' frames, after receiving OL ' ' frame, by the pixel filling of OL ' ' frame in the left-half of MO frame, and continue to receive OR ' '; After receiving OR ' ' frame, the pixel filling of OR ' ' frame has been formed to the MO frame at the right half part of MO frame.Continue the circulation said process until complete the merging of all frames.Half that the ME that frame merge cells 32 forms, the frequency of MO series of frames signal are the input frame frequency, i.e. 30Hz.Wherein, EL ' ' frame pixel shown in Fig. 9-1 show and Fig. 9-2 shown in the ME frame pixel schematic diagram that forms after merge processing of ER ' ' frame picture as shown in Figure 10-1, OL ' ' the frame pixel shown in Fig. 9-3 show and Fig. 9-4 shown in OR ' ' frame picture through merging after processing the MO frame pixel schematic diagram that forms as shown in Figure 10-2.
Above-mentioned 4K * 2K is 3840 * 2160 i.e. 2160 row, 3840 pixels of every row, 4K * 1K is 3840 * 1080 i.e. 1080 row, 3840 pixels of every row, 2K * 1K is 1920 * 1080 i.e. 1080 row, 1920 pixels of every row, and 2K * 2K is 1920 * 2160 i.e. 2160 row, 1920 pixels of every row.
The invention also discloses a kind of ultra high-definition television set, with reference to Figure 11, the ultra high-definition television set comprises control device 7, superelevation cls 8, memory module 5 and the control module 4 that form judgment means 6, ultra high-definition show in this embodiment.Wherein, form judgment means 6, whether the signal of inputting for judgement is 4K * 2K signal, if the signal that judgement is inputted is 4K * 2K signal, described 4K * 2K signal is exported to the control device 7 that described ultra high-definition shows; The control device 7 that ultra high-definition shows, can realize that for controlling described ultra high-definition television set ultra high-definition shows, for the control device that the ultra high-definition in above-mentioned arbitrary embodiment shows, the description of the control device that specifically can show ultra high-definition with reference to above-mentioned arbitrary embodiment, do not repeat them here; Superelevation cls 8, show the 4K of the control device output that described ultra high-definition shows * 2K signal for ultra high-definition; Memory module 5, every data of other device institute input and output such as the control device 7 shown for storage format judgment means 6 and ultra high-definition; Control module 4, the control device 7 shown for control store form judgment means 6, ultra high-definition and superelevation cls 8 are carried out corresponding operating.
Further, ultra high-definition television set in the present embodiment also comprises frequency multiplication interleave device 9, the 4K exported for the control device 7 that ultra high-definition is shown * 2K 30Hz echo signal is carried out interleave, process of frequency multiplication, and realizes that with driving superelevation cls 8 ultra high-definition shows to superelevation cls 8 output 4K * 2K 60Hz signals.
Known in sum, ultra high-definition television set disclosed in this invention, can realize that to the film source of 4K * 2K signal ultra high-definition shows, and can avoid the loss of image vertical direction information and the sudden change of image, appearance image blurring and the edge sawtooth can be prevented, the display quality of image can be effectively improved.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (11)
1. the control method that ultra high-definition shows, is characterized in that, comprises the following steps:
The 4K of reception * 2K signal decomposition is become to 2K * 1K transition signal;
To the processing of decoding of described 2K * 1K transition signal, to obtain 2K * 1K screen display signals;
Convert described 2K * 1K screen display signals to 4K * 2K echo signal and realize that to offer the superelevation cls ultra high-definition shows.
2. the control method that ultra high-definition according to claim 1 shows, is characterized in that, describedly becomes the concrete steps of 2K * 1K transition signal to comprise the 4K that receives * 2K signal decomposition:
The frequency of the 4K that identification receives * 2K signal;
When the frequency of received 4K * 2K signal belongs to the first frequency group, received 4K * 2K signal is carried out to the compression of frame pixel to obtain 4K * 1K signal;
When the frequency of received 4K * 2K signal belongs to the second frequency group, the compression of carrying out the frame pixel at the 4K to received * 2K signal also comprised in the past carries out the frame extraction step to received 4K * 2K signal, with the frequency inverted of the 4K by being received * 2K signal to described first frequency group;
What described 4K * 1K signal was carried out to the frame pixel cuts apart to obtain 2K * 1K transition signal;
Wherein the first frequency group comprises 24Hz, 25Hz and 30Hz, and the second frequency group comprises 50Hz, 59.94Hz and 60Hz.
3. the control method that ultra high-definition according to claim 2 shows, is characterized in that, frequency belonged to the 4K received of described first frequency group * 2K signal and carry out the mode of frame extraction for to extract every frame.
4. the control method that ultra high-definition according to claim 2 shows, is characterized in that, the mode of received 4K * 2K signal being carried out to the compression of frame pixel is that pixel is removed in interlacing.
5. the control method that ultra high-definition according to claim 2 shows is characterized in that the mode of described 4K * 1K signal being carried out to the frame pixel segmentation is that left and right is cut apart.
6. the control method that ultra high-definition according to claim 1 shows, is characterized in that, the described concrete steps that convert described 2K * 1K screen display signals to 4K * 2K echo signal comprise:
Described 2K * 1K screen display signals is inserted to row and amplify processing to obtain 2K * 2K signal;
Described 2K * 2K signal is carried out to frame and merge processing to obtain 4K * 2K echo signal.
7. the control method that ultra high-definition according to claim 6 shows, is characterized in that, described to described 2K * 1K screen display signals insert row amplify processing take obtain slotting capable formula that 2K * the 2K signal is adopted as:
The pixel of the odd-numbered frame of described 2K * 2K signal is E(L/R) ' ' pq, the pixel of the current line of the odd-numbered frame of described 2K * 1K screen display signals is E(L/R) ' ab, the up pixel of the odd-numbered frame of described 2K * 1K screen display signals is E(L/R) ' (a-1) b, the descending pixel of the odd-numbered frame of described 2K * 1K screen display signals is E(L/R) ' (a+1) b, the pixel of the current line of the even frame corresponding with the odd-numbered frame of described 2K * 1K screen display signals is O(L/R) ' ab, the pixel of the current line of the front even frame adjacent with the odd-numbered frame of described 2K * 1K screen display signals is O(L/R)
-1' ab, ' ' pq=E(L/R) ' ab when p is odd number, E(L/R), p=2a-1 wherein, q=b, ' ' pq=k1* E(L/R) ' (a-1) b+ k2*E(L/R when p is even number, E(L/R)) ' (a+1) b+ K3* O(L/R) ' ab+k4* O(L/R)
-1' ab, p=2a wherein, q=b, E(L/R) ' (a-1) b and E(L/R) ' (a+1) the first coefficient of b be that k1, its second coefficient are k2, E(L/R) the similarity relating value of ' frame and O(L/R) ' frame is K3, E(L/R) ' frame and O(L/R)
-1' the similarity relating value of frame is k4,
The pixel of the even frame of described 2K * 2K signal is O(L/R) ' ' pq, the pixel of the current line of the even frame of described 2K * 1K screen display signals is O(L/R) ' ab, the up pixel of the even frame of described 2K * 1K screen display signals is O(L/R) ' (a-1) b, the descending pixel of the even frame of described 2K * 1K screen display signals is O(L/R) ' (a+1) b, the pixel of the current line of the odd-numbered frame corresponding with the even frame of described 2K * 1K screen display signals is E(L/R) ' ab, the pixel of the current line of the rear odd-numbered frame adjacent with the even frame of described 2K * 1K screen display signals is E(L/R)
+ 1' ab, ' ' pq=O(L/R) ' ab when p is even number, O(L/R), p=2a wherein, q=b, ' ' pq=k5* O(L/R) ' (a-1) b+ k6*O(L/R when p is odd number, O(L/R)) ' (a+1) b+ K7* E(L/R) ' ab+k8* E(L/R)
+ 1' ab, p=2a-1 wherein, q=b, O(L/R) ' (a-1) b and O(L/R) ' (a+1) the first coefficient of b be that k5, its second coefficient are k6, O(L/R) the similarity relating value of ' frame and E(L/R) ' frame is K7, O(L/R) ' frame and E(L/R)
+ 1' the similarity relating value of frame is k8.
8. the control device that ultra high-definition shows, is characterized in that, comprising:
The frame decomposing module, become 2K * 1K transition signal for the 4K by receiving * 2K signal decomposition;
The frame decoding module, for processing that described 2K * 1K transition signal is decoded, to obtain 2K * 1K screen display signals;
And the frame synthesis module, for described 2K * 1K screen display signals being converted to 4K * 2K echo signal, to offer the ultra high-definition screen display, show.
9. the control device that ultra high-definition according to claim 8 shows, is characterized in that, described frame decomposing module comprises:
The frequency identification unit, the frequency of the 4K received for identification * 2K signal;
The frame extracting unit, when the frequency of received 4K * 2K signal is identified as while belonging to the second frequency group by described frequency identification unit, for received 4K * 2K signal is carried out to the frame extraction, with the frequency inverted of the 4K by being received * 2K signal to described first frequency group;
Frame pixel compression unit, when the frequency of received 4K * 2K signal is identified as when belonging to the first frequency group or being converted to the first frequency group by described frame extracting unit by described frequency identification unit, carry out the compression of frame pixel for the 4K to received * 2K signal to obtain 4K * 1K signal;
And frame pixel segmentation unit, cut apart to obtain 2K * 1K transition signal for what described 4K * 1K signal is carried out to the frame pixel;
Wherein the first frequency group comprises 24Hz, 25Hz and 30Hz, and the second frequency group comprises 50Hz, 59.94Hz and 60Hz.
10. the control device that ultra high-definition according to claim 9 shows, is characterized in that, described frame synthesis module comprises:
Frame pixel amplifying unit, amplify processing to obtain 2K * 2K signal for described 2K * 1K screen display signals being inserted to row;
And the frame merge cells, merge processing to obtain 4K * 2K echo signal for described 2K * 2K signal being carried out to frame.
11. a ultra high-definition television set, is characterized in that, comprises control device and superelevation cls that form judgment means, ultra high-definition show;
Described form judgment means, whether the signal of inputting for judgement is 4K * 2K signal, if the signal that judgement is inputted is 4K * 2K signal, described 4K * 2K signal is exported to the control device that described ultra high-definition shows;
The control device that described ultra high-definition shows, for the control device that the described ultra high-definition of claim 8 to 10 any one shows, can realize that for controlling described ultra high-definition television set ultra high-definition shows;
Described superelevation cls, show the 4K of the control device output that described ultra high-definition shows * 2K signal for ultra high-definition.
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| CN201310076842.0A CN103152541B (en) | 2013-03-11 | 2013-03-11 | Control method that ultra high-definition shows and device, ultra-high-definition television |
| HK13110569.5A HK1184612A1 (en) | 2013-03-11 | 2013-09-13 | Ultra-high-definition display control method and device as well as ultra- high-definition television |
| PCT/CN2014/071314 WO2014139345A1 (en) | 2013-03-11 | 2014-01-24 | Control method and device for ultra-high definition display and ultra-high definition television |
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| CN201310076842.0A CN103152541B (en) | 2013-03-11 | 2013-03-11 | Control method that ultra high-definition shows and device, ultra-high-definition television |
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| CN103152541B (en) | 2016-08-17 |
| WO2014139345A1 (en) | 2014-09-18 |
| HK1184612A1 (en) | 2014-01-24 |
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