CN103096086A - Method of sampling forward in multi-picture display to achieve system optimization - Google Patents
Method of sampling forward in multi-picture display to achieve system optimization Download PDFInfo
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- CN103096086A CN103096086A CN2013100468962A CN201310046896A CN103096086A CN 103096086 A CN103096086 A CN 103096086A CN 2013100468962 A CN2013100468962 A CN 2013100468962A CN 201310046896 A CN201310046896 A CN 201310046896A CN 103096086 A CN103096086 A CN 103096086A
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Abstract
The invention discloses a method of sampling forward in multi-picture display to achieve system optimization and is applied in a multi-picture display system composed of computers. The multi-picture display system comprises a front-end source encoder and a back-end processing displayer. Control signals are set between the front-end source encoder and the back-end processing displayer of the multi-picture display system. The back-end processing displayer calculates the resolution ratio of each display picture according to the number of signals, the number of pictures to be displayed, and the resolution ratio of a display screen. The back-end processing displayer transmits the resolution ratios of the display pictures to the front-end source encoder. The front-end source encoder samples, codes and transmits according to the resolution ratios of the display pictures. The back-end processing displayer receives, decodes, combines and displays. The method samples forward in the multi-picture display to achieve the purposes of avoiding calculation bottleneck, saving network bandwidth, improving data throughput picture display.
Description
Technical field
The present invention relates to information science, many picture displies process field, specifically a kind of in many picture displies down-sampling reach reach the method for system optimization.
Background technology
At present, every field at many picture displies, especially in each TV and Radio Service, the demonstration of many pictures is all the signal that sends from a plurality of front end source encoders, after back-end processing display local decode, go out the resolution of each picture according to how many average computation of the size of display screen and needs display video signal, then with every road vision signal down-sampling, show after combination.System architecture schematic diagram referring to many picture displies of Fig. 1 prior art.
This method has several shortcomings: at first, wasted the calculation resources of front end source encoder, and large picture compression, transmission, but in the display frame of back-end processing display down-sampling, the computing of front end source encoder is wasted; Secondly, wasted network bandwidth resources, the front end source encoder is large picture compression, and be transferred to the rear down-sampling display frame of back-end processing display decoding with large picture, in this process, too much redundant video information has been done meaningless transmission, has taken the limited network bandwidth and data throughput resource, has affected the ability of many picture displies; At last, all down-samplings are all completed at the back-end processing display, make the back-end processing display easily become efficiency bottle neck, have also affected the ability of many picture displies.In sum, there are many disadvantages in existing many picture displies mechanism, causes serious waste of resources, and pressure concentration has limited the ability of many picture displies.
Summary of the invention
The objective of the invention is, with the front end Distributed Calculation, coordinate the front and back end, distributes to optimize many image display systems calculation resources, saves transmission network bandwidth and device data and handle up, and improves many picture displies quantity, reaches the optimum of systematic function.
For achieving the above object, the technical scheme that the present invention takes is: a kind of in many picture displies down-sampling reach reach the method for system optimization, in the many image display systems that are applied to be consisted of by computer, many image display systems comprise the front end source encoder, with the back-end processing display, it comprises the following steps:
Step a, set up control signal between the front end source encoder of many image display systems and back-end processing display, the back-end processing display calculates the step of each display frame resolution according to the quantity of signal, the quantity of needs display frame, the resolution of display screen;
Step b, back-end processing display are transferred to display frame resolution the step of front end source encoder;
Step c, front end source encoder encode according to display frame resolution down-sampling, the step of transmission;
Steps d, the back-end processing display is accepted, decoding, combination, the step of demonstration.
The present invention has following beneficial effect: at first, the down-sampling algorithm is completed at the front end source encoder, is conducive to reduce back-end processing display computing bottleneck, and down-sampling algorithm is separately completed by the front end source encoder respectively, decompose computing, avoided forming the computing bottleneck; Secondly, the reach of down-sampling algorithm, what make the transmission of front end source encoder is display frame resolution, has reduced transinformation, has saved the network bandwidth, has more effectively utilized the data throughput of equipment; Again, coding again after down-sampling has utilized the calculation resources of front end source encoder, back-end processing display to greatest extent, has avoided the compression and decompression of redundancy video data, has reached the optimum of system; At last, because removed computing bottleneck pressure and the network bandwidth pressure of handling up, can at the more picture of same screen display, can reach in theory unlimited many.
Description of drawings
Fig. 1 is the system architecture schematic diagram of many picture displies prior art.
Fig. 2 be a kind of in many picture displies down-sampling reach reach the system architecture schematic diagram of the method for system optimization.
Fig. 3 be a kind of in many picture displies down-sampling reach reach the flow chart of the method for system optimization.
Embodiment
The invention will be further described below in conjunction with embodiment and with reference to accompanying drawing.
The present embodiment a kind of in many picture displies down-sampling reach reach the method for system optimization, with the front end Distributed Calculation, coordinate the front and back end, distribute to optimize many image display systems calculation resources, saving transmission bandwidth and device data handles up, improve many picture displies quantity, reach the optimum of systematic function.
Referring to Fig. 2, a kind of in many picture displies down-sampling reach reach the system architecture schematic diagram of the method for system optimization, a kind of in many picture displies down-sampling reach reach the method for system optimization, in the many image display systems that are applied to be consisted of by computer, many image display systems comprise the front end source encoder, and the back-end processing display.Wherein front end source encoder and back-end processing display generally adopt personal computer, perhaps server, and the establishments such as work station build but also do not get rid of by microprocessor and digital signal processor.The front end source encoder is completed the down-sampling of vision signal, coding, the functions such as transmission; Wherein transmission is generally to pass through Internet Transmission; The back-end processing display is accepted the signal of front end source encoder transmission, and the signal that receives is decoded, and combination finally is shown as many pictures.Compared to existing technology, key is to set up control signal between the front end source encoder of many image display systems and back-end processing display, and the back-end processing display calculates each display frame resolution according to the quantity of signal, the quantity of needs display frame, the resolution of display screen; And display frame resolution is transferred to the front end source encoder.
Referring to Fig. 3, a kind of in many picture displies down-sampling reach reach the flow chart of the method for system optimization, it comprises the following steps:
Step a, set up control signal between the front end source encoder of many image display systems and back-end processing display, the back-end processing display calculates the step of each display frame resolution according to the quantity of signal, the quantity of needs display frame, the resolution of display screen;
Step b, back-end processing display are transferred to display frame resolution the step of front end source encoder;
Step c, front end source encoder encode according to display frame resolution down-sampling, the step of transmission;
Steps d, the back-end processing display is accepted, decoding, combination, the step of demonstration.
Here need to prove, determine each display frame resolution according to the quantity of signal, the quantity of needs display frame, the resolution of display screen, general principle is that the size of each display frame is impartial; It can be also the rule that realizes a display frame resolution of setting; Can certainly be set by the user the final display frame resolution of each input signal, feed back to the front end source encoder by the back-end processing display by control signal.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvement and replenish, these improvement and replenish and also should be considered as protection scope of the present invention.
Claims (1)
- One kind in many picture displies down-sampling reach reach the method for system optimization, in the many image display systems that are applied to be consisted of by computer, described many image display systems comprise the front end source encoder, and the back-end processing display, it is characterized in that comprising the following steps:Step a, set up control signal between the front end source encoder of described many image display systems and back-end processing display, described back-end processing display calculates the step of each display frame resolution according to the quantity of signal, the quantity of needs display frame, the resolution of display screen;Step b, described back-end processing display is transferred to display frame resolution the step of front end source encoder;Step c, described front end source encoder encode according to display frame resolution down-sampling, the step of transmission;Steps d, described back-end processing display is accepted, decoding, combination, the step of demonstration.
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| CN111345807A (en) * | 2018-12-21 | 2020-06-30 | 四川锦江电子科技有限公司 | Electrocardiographic waveform drawing method, module and device |
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Application publication date: 20130508 |