CN101924950A - Data compression method for intelligent accelerating image display and device - Google Patents
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Abstract
The invention provides a data compression method for intelligent accelerating image display and a device. The method comprises the following steps: providing original image data and converting the original image data into YUV codes from RGB codes; compressing the original image data which is converted into the YUV codes; writing the compressed original image data into a storage medium according to a preset mode; uncompressing the compressed original image data; converting the original image data into the RGB codes from the YUV codes; and outputting the original image data to a display device by using a driving unit. The invention can rapidly process the image information and effectively solve the problem of generating ghosts on a LCD screen.
Description
Technical field
The present invention is relevant for a kind of intelligent accelerating technology, and is particularly to a kind of image data presented compression method and device of intelligent accelerating.
Background technology
In traditional LCD, because dynamically technique for displaying can't be immediately with the old picture of new frame updating, therefore can produce the phenomenon of ghost (Blur) when video display, this is the phenomenon that produces because the reaction time of image drive unit is not enough.Be generally and addressed this is that, normally improve driving voltage (promptly, intelligent accelerating technology (Overdrive, OD)), so can increase the reaction time of video display effectively, the image frequency of 16.7ms can be reduced to 5ms even 3ms approximately, but so dynamic image glances up the generation that still has ghost the people.
As mentioned above, intelligent accelerating technology (OD) science and technology is when picture changes, and adds the usual high voltage of state, can be used for promoting the reaction speed of liquid crystal molecule, and it can shorten the reaction time over half.The reaction time of general liquid crystal molecule is about 16～40 milliseconds (ms), and through after the acceleration of intelligent accelerating technology, reaction speed can reach 3～8ms.
Yet, more effectively in order more effectively to utilize the intelligent accelerating technology improve the fluency that ghost phenomena, reaction speed and picture present, and the image quality of the more gorgeous distinctness of color is provided, the invention provides a kind of image data presented compression method and device of intelligent accelerating.
Summary of the invention
Based on above-mentioned purpose, the invention provides a kind of image data presented compression method of intelligent accelerating.One raw video data are provided, and are YUV coding by the RGB code conversion these raw video data.Compressing and converting is the raw video data of YUV coding, and writes in the storage medium by the raw video data that a predetermined way will compress.The decompress raw video data of this compression are the RGB coding with these raw video data by the YUV code conversion, and utilize a driver element to export these raw video data to a display unit.
The image data presented compression method of intelligent accelerating of the present invention, this predetermined way is for carrying out different processing with the even bit logarithmic data and the odd bits logarithmic data of these raw video data respectively.
The image data presented compression method of intelligent accelerating of the present invention, the processing of this odd number sequence data more comprise the following steps: the pixel data NF_PL_RGB of RGB coded format is stored in one first temporary sequence; From this storage medium, read the compressing image data PF_COMP of last image data, and this compressing image data storing is kept in the sequence one second; And the pixel data NF_NL_RGB that reads the input image in one the 3rd temporary sequence also exports this pixel data.
The image data presented compression method of intelligent accelerating of the present invention, the processing of this even number sequence data more comprises the following steps: to read the input pixel data NF_PL_RGB of the RGB coding in list entries data NF_NL_RGB and this first temporary sequence, and this input pixel data and this list entries data are converted to YUV coded format NF_PL_YUV and NF_NL_YUV; Compress the image data after the above-mentioned conversion, and the image data NF_COMP after will compressing is stored in this storage medium; Read the image data PF_COMP in this second temporary sequence, and image data PF_COMP and the image data NF_COMP that is converted to yuv format and compressed are compared; Decompression image data PF_COMP to be obtaining PF_PL_YUV and PF_NL_YUV image data, and PF_PL_YUV and PF_NL_YUV image data are converted to the RGB coded format to obtain PF_PL_RGB image data and PF_NL_RGB image data; Utilize look-up table contrast PF_PL_RGB image data and NF_PL_RGB image data, obtain the PL speedup and drive processing numerical value OVER_PL, and utilize look-up table contrast PF_NL_RGB image data and NF_NL_RGB image data, obtain the NL speedup and drive processing numerical value OVER_NL; PF_COMP and NF_COMP subtracted each other obtain a numerical value J; Greater than a predetermined value, then image data is carried out speedup processing and output speedup driving processing numerical value OVER_PL as if J, and speedup driving processing numerical value OVER_NL is stored in the 3rd temporary sequence; And if J, then exports the NF_PL_RGB image data less than this predetermined value and the NF_NL_RGB image data is stored in the 3rd temporary sequence.
The present invention also provides a kind of image data presented compression set of intelligent accelerating, comprises that a storage medium, a RGB change YUV converting unit, a compression unit, a decompression unit, YUV commentaries on classics RGB converting unit, a motion detection unit, an intelligent accelerating processing unit and a multiplexer.The raw video data that the YUV converting unit of changeing this RGB will obtain are the YUV coding by the RGB code conversion.This compression unit compressing and converting is the raw video data of YUV coding, and writes in this storage medium by the raw video data that a predetermined way will compress.The decompress raw video data of this compression of this decompression unit.It is the RGB coding with these raw video data by the YUV code conversion that this YUV changes the RGB converting unit.Whether this motion detection unit judges needs that these raw video data of RGB coding are carried out speedup is handled.When needs were carried out the speedup processing, this intelligent accelerating processing unit carries out speedup to these raw video data of RGB coding to be handled.This multiplexer exports these raw video data of RGB coding to a display unit.
The image data presented compression set of intelligent accelerating of the present invention, this predetermined way is for carrying out different processing with the even bit logarithmic data and the odd bits logarithmic data of these raw video data respectively.
The image data presented compression set of intelligent accelerating of the present invention, the processing of this odd number sequence data comprises that more this compression unit is stored in one first temporary sequence with the pixel data NF_PL_RGB of RGB coded format, from this storage medium, read the compressing image data PF_COMP of last image data, and with this compressing image data storing in one second temporary sequence, and in one the 3rd temporary sequence, read the pixel data NF_NL_RGB of input image and with this pixel data output.
The image data presented compression set of intelligent accelerating of the present invention, the processing of this even number sequence data comprises that more this compression unit reads the input pixel data NF_PL_RGB of the RGB coding in list entries data NF_NL_RGB and this first temporary sequence, and this input pixel data and this list entries data be converted to YUV coded format NF_PL_YUV and NF_NL_YUV, compress the image data after the above-mentioned conversion, and the image data NF_COMP after will compressing is stored in this storage medium, read the image data PF_COMP in this second temporary sequence, and with image data PF_COMP be converted to yuv format and the image data NF_COMP that compressed compares, decompression image data PF_COMP is to obtain PF_PL_YUV and PF_NL_YUV image data, and PF_PL_YUV and PF_NL_YUV image data are converted to the RGB coded format to obtain PF_PL_RGB image data and PF_NL_RGB image data, utilize look-up table contrast PF_PL_RGB image data and NF_PL_RGB image data, obtain the PL speedup and drive processing numerical value OVER_PL, and utilize look-up table to contrast PF_NL_RGB image data and NF_NL_RGB image data, obtain the NL speedup and drive processing numerical value OVER_NL, PF_COMP and NF_COMP subtracted each other obtain a numerical value J, if J is greater than a predetermined value, then image data being carried out speedup handles and output speedup driving processing numerical value OVER_PL, and speedup is driven processing numerical value OVER_NL be stored in the 3rd temporary sequence, and if J, then exports the NF_PL_RGB image data less than this predetermined value and the NF_NL_RGB image data is stored in the 3rd temporary sequence.
The present invention also provides a kind of computer recordable media, in order to store a computer program, aforementioned calculation machine program comprises plural procedure code fragment, it comprises: raw video data are provided in order to be loaded in the computer system and to make aforementioned calculation machine system carry out a kind of image data presented compression method of intelligent accelerating; Is the YUV coding with these raw video data by the RGB code conversion; Compressing and converting is the raw video data of YUV coding; The raw video data that to compress by a predetermined way write in the storage medium; The raw video data of this compression decompress; Is the RGB coding with these raw video data by the YUV code conversion; Utilize a driver element to export these raw video data to a display unit.
Computer recordable media of the present invention, this predetermined way is for carrying out different processing with the even bit logarithmic data and the odd bits logarithmic data of these raw video data respectively.
Computer recordable media of the present invention, the processing of this odd number sequence data more comprise the following steps: the pixel data NF_PL_RGB of RGB coded format is stored in one first temporary sequence; From this storage medium, read the compressing image data PF_COMP of last image data, and this compressing image data storing is kept in the sequence one second; And the pixel data NF_NL_RGB that reads the input image in one the 3rd temporary sequence also exports this pixel data.
Computer recordable media of the present invention, the processing of this even number sequence data more comprises the following steps: to read the input pixel data NF_PL_RGB of the RGB coding in list entries data NF_NL_RGB and this first temporary sequence, and this input pixel data and this list entries data are converted to YUV coded format NF_PL_YUV and NF_NL_YUV; Compress the image data after the above-mentioned conversion, and the image data NF_COMP after will compressing is stored in this storage medium; Read the image data PF_COMP in this second temporary sequence, and image data PF_COMP and the image data NF_COMP that is converted to yuv format and compressed are compared; Decompression image data PF_COMP to be obtaining PF_PL_YUV and PF_NL_YUV image data, and PF_PL_YUV and PF_NL_YUV image data are converted to the RGB coded format to obtain PF_PL_RGB image data and PF_NL_RGB image data; Utilize look-up table contrast PF_PL_RGB image data and NF_PL_RGB image data, obtain the PL speedup and drive processing numerical value OVER_PL, and utilize look-up table contrast PF_NL_RGB image data and NF_NL_RGB image data, obtain the NL speedup and drive processing numerical value OVER_NL; PF_COMP and NF_COMP subtracted each other obtain a numerical value J; Greater than a predetermined value, then image data is carried out speedup processing and output speedup driving processing numerical value OVER_PL as if J, and speedup driving processing numerical value OVER_NL is stored in the 3rd temporary sequence; And if J, then exports the NF_PL_RGB image data less than this predetermined value and the NF_NL_RGB image data is stored in the 3rd temporary sequence.
The present invention can handle image information more quickly, and effectively solves the problem that LCD screen produces ghost.
Description of drawings
Fig. 1 is the configuration diagram of image data presented compression set that shows the intelligent accelerating of the embodiment of the invention.
Fig. 2 is the schematic diagram that shows the image compression algorithm of the embodiment of the invention.
Fig. 3 is the flow chart of steps of image data presented compression method that shows the intelligent accelerating of the embodiment of the invention.
Embodiment
For purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphic Fig. 1 to Fig. 3, be described in detail.Specification of the present invention provides different embodiment that the technical characterictic of the different execution modes of the present invention is described.Wherein, the configuration of each element among the embodiment is the usefulness for explanation, is not in order to restriction the present invention.And to repeat be for the purpose of simplifying the description to the part of reference numerals among the embodiment, is not the relevance that means between the different embodiment.
The embodiment of the invention provides a kind of image data presented compression method and device of intelligent accelerating.
The image data presented compression method of the intelligent accelerating of the embodiment of the invention will be imported the odd number sequence data and the even number sequence data separate processes of image with device, with the access that is easier to control the image data in the storage medium and effectively use the intelligent accelerating technology.
Fig. 1 is the configuration diagram of image data presented compression set that shows the intelligent accelerating of the embodiment of the invention.
As shown in Figure 1, the image data presented compression set of the intelligent accelerating of the embodiment of the invention comprises RGB changes YUV converting unit 11, image compression unit 12, storage medium 13, image decompression unit 14, YUV commentaries on classics RGB converting unit 15, motion detection unit 16, intelligent accelerating processing unit 17 and multiplexer 18.Storage medium 13 can be a random access memory (Random Access Memory, RAM) or a synchronous dynamic random access memory (Synchronous Dynamic Random Access Memory, SDRAM).
At first, the image data presented compression set of intelligent accelerating can receive raw video data 10, and wherein raw video data 10 can be divided into even number sequence data and odd number sequence data.Raw video data 10 enter RGB changes YUV converting unit 11, obtains a YUV image data to change.After utilizing image compression unit 12 that the YUV image data is compressed, the image data after the compression is deposited in the storage medium 13 via predetermined mode.
In needs, read the image data that compressed from storage medium 13, and via image decompression unit 14 these image datas of decompression.After decompression is finished, change RGB converting unit 15 via YUV this image data is converted to the RGB image data.Motion detection unit 16 judges whether that need carry out speedup to image data handles.Carry out speedup by 17 pairs of RGB image datas of intelligent accelerating processing unit and handle, and after speedup is handled, output to multiplexer 18, output on the display unit (not shown) via multiplexer 18 again.
In order to quicken that image data is write storage medium 13 and reads the speed of image data from storage medium 13, odd number sequence data and the even number sequence data with image data carries out different processing respectively.
Handling procedure at the odd number sequence data is:
1. the pixel data (the RGB coded format is numbered NF_PL_RGB) that will import image (for example, frame (Frame)) is stored in first temporary sequence (Line_Buf1 comprises i_buf1_1, i_buf1_2 and the i_buf1_3 at least) (not shown);
2. from storage medium 13, read the compressing image data (being numbered PF_COMP) of last image data, and this compressing image data storing is kept in sequence (Line_Buf2 comprises i_buf2_1 and the i_buf2_2 at least) (not shown) second;
3. the pixel data (NF_NL_RGB) that reads this input image in the 3rd temporary sequence (not shown) is also with this image data output.
Handling procedure at the even number sequence data is:
1. read input pixel data (the RGB coded format in the list entries data (being numbered NF_NL_RGB) and the first temporary sequence (Line_Buf1), be numbered NF_PL_RGB), and this input pixel data and this list entries data be converted to YUV coded format (being numbered NF_PL_YUV and NF_NL_YUV);
2. compress the image data (being compressed to 16) after the above-mentioned conversion, and the image data after will compressing (being numbered NF_COMP) is stored in the storage medium 13 from 24 (bit);
3. read the image data (being numbered PF_COMP) in the second temporary sequence (Line_Buf2 data), and image data and the image data (being numbered NF_COMP) that is converted to yuv format and compressed are compared;
4. decompression image data (being numbered PF_COMP) to be obtaining PF_PL_YUV and PF_NL_YUV image data, and PF_PL_YUV and PF_NL_YUV image data are converted to the RGB coded format to obtain PF_PL_RGB image data and PF_NL_RGB image data;
5. utilize look-up table contrast PF_PL_RGB image data and NF_PL_RGB image data, obtain the PL speedup and drive processing numerical value OVER_PL, utilize look-up table contrast PF_NL_RGB image data and NF_NL_RGB image data equally, obtain the NL speedup and drive processing numerical value OVER_NL;
6. PF_COMP and NF_COMP are subtracted each other and obtain a numerical value J;
If J greater than a predetermined value, then image data being carried out speedup handles and output speedup driving processing numerical value OVER_PL, and speedup is driven processing numerical value OVER_NL be stored in the 3rd temporary sequence (Line_Buf3 comprises i_buf3_1, i_buf3_2 and i_buf3_3 at least), wherein, the fixed value that can set as required for those skilled in the art of this preset value.If J, then exports the NF_PL_RGB image data less than this predetermined value and the NF_NL_RGB image data is stored in the 3rd temporary sequence (Line_Buf3).
Wherein, NF_NL_RGB (Now frame now line RGB signal), NF_PL_RGB (Now frame previous line RGB signal), PF_NL_RGB (previous frame now line RGB signal) and PF_PL_RGB (previous frame previous line RGB signal) represent the rgb signal of the present frame current line of image data, the rgb signal of present frame previous row, the rgb signal of former frame current line and the rgb signal of former frame previous row respectively.
In above processing procedure, the RGB code conversion is that the conversion formula of YUV coding is expressed as:
Y＝0.299R+0.587G+0.114B；
U＝(-0.172)R+(-0.339)G+0.511B+128；
V＝0.511R+(-0.428)G+(-0.083)B+128。
With the YUV code conversion is that the conversion formula that RGB encodes is expressed as:
R＝Y+1.371V；
G＝Y+(-0.336)(U-128)+(-0.0698)(V-128)；
B＝Y+1.732U。
In the compressing image section data, the embodiment of the invention is used following algorithm.
With reference to figure 2, the area data that at first will import image is divided into 2 * 2 pixel region data.Because the frequency range of the data/address bus of storage medium 13 only is 16, be 48 and need simultaneously treated pixel data amount, so must carry out alternately (Trade Off) operation,, can not lose the image feature of original pixels though so can lose partial image information.In addition, in the common dynamic image, the U in the zonule, V color difference signal (Chrominance) do not have obvious change, so the mean value of desirable U, V signal and keep more luminance signal (Luminance).
In the part of decompression image data, the inventive method expands into 8 bit formats with the compressing image data earlier, comprising:
PF_Y1[7:0]＝{PF_COMP
t[15:11]，PF_COMP
t[15:13]}；
PF_Y2[7:0]＝{PF_COMPt[10:6]，PF_COMP
t[10:8]}；
PF?Y3[7:0]＝{PF_COMP
t+1[15:11]，PF_COMP
t+1[15:13]}；
PF_Y4[7:0]＝{PF_COMP
t+1[10:6]，PF_COMP
t+1[10:8]}；
PF_U1[7:0]＝{PF_COMP
t[5:0]，PF_COMP
t[5:4]}＝PF_U2＝PF_U3＝PF_U4；
PF_V1[7:0]＝{PF_COMP
t+1[5:0]，PF_COMP
t+1[5:4]}＝PF_V2＝PF_V3＝PF_V4。
In the part of motion detection (Motion Detection), compare PF_COMP image value and NF_COMP image value.Speedup is handled and the output speedup drives processing numerical value if the difference of the two greater than a predetermined value, is then carried out pixel data.If the two difference is less than this predetermined value, then direct output pixel data is as indicated above.
Aspect the intelligent accelerating processing, the present invention uses table look-up (Look Up Table) and two-dimensional interpolation method to reach the purpose of speedup, and it is as follows to table look-up:
Note, in other embodiments, (Electrically Erasable Programmable Read-Only Memory EEPROM) obtains at least three and tables look-up Electrically Erasable Read Only Memory that can be outside certainly, and selects required form according to different conditions.As described in above-mentioned tabling look-up, can find four boundary values according to last pixel data and current pixel data, and utilize these four boundary values to carry out the two-dimensional linear interpolation method to obtain required speedup driving deal with data.Above-mentioned processing can utilize a plurality of multiplexers to finish.
By above-mentioned storage action of in storage medium 13 and at least three temporary sequences, carrying out, make the inventive method and device can handle image information more quickly, and drive processing unit 17 by speedup image information is presented on the LCD screen, effectively solve the problem that LCD screen produces ghost.
Fig. 3 is the flow chart of steps of image data presented compression method that shows the intelligent accelerating of the embodiment of the invention.
At first, provide raw video data (step S31), and be YUV coding (step S32) by the RGB code conversion these raw video data.Compress these raw video data (step S33) that this is converted to the YUV coding, and write (step S34) in the random access memory by the raw video data that a predetermined way will compress.The decompress raw video data (step S35) of this compression are RGB coding (step S36) with these raw video data by the YUV code conversion, and utilize a driver element to export these raw video data to a display unit (step S37).This predetermined way is for respectively the even bit logarithmic data and the odd bits logarithmic data of image data being carried out different processing, and is as indicated above.
Method of the present invention or specific kenel or its part can exist with the kenel of procedure code.Procedure code can be contained in tangible media, get (as embodied on computer readable) storage medium as floppy disk, discs, hard disk or any other machine readable, wherein, when procedure code by machine, when being written into and carrying out as computer, this machine becomes in order to participate in device of the present invention.Procedure code also can pass through some transmission mediums, transmit as electric wire or cable, optical fiber or any transmission kenel, wherein, when procedure code by machine, as computer receive, when being written into and carrying out, this machine becomes in order to participate in device of the present invention.When the general service processing unit is done in fact, procedure code provides a class of operation to be similar to the unique apparatus of dedicated logic circuit in conjunction with processing unit.
The above only is preferred embodiment of the present invention; so it is not in order to limit scope of the present invention; any personnel that are familiar with this technology; without departing from the spirit and scope of the present invention; can do further improvement and variation on this basis, so the scope that claims were defined that protection scope of the present invention is worked as with the application is as the criterion.
Being simply described as follows of symbol in the accompanying drawing:
10: the raw video data
11:RGB turns to the YUV converting unit
12: the image compression unit
13: random access memory
14: the image decompression unit
15:YUV changes the RGB converting unit
16: the motion detection unit
17: the intelligent accelerating processing unit
18: multiplexer
S31..S37: process step.
Claims (8)
1. the image data presented compression method of an intelligent accelerating is characterized in that, comprises the following steps:
One raw video data are provided;
Is the YUV coding with these raw video data by the RGB code conversion;
Compressing and converting is the raw video data of YUV coding;
The raw video data that to compress by a predetermined way write in the storage medium;
The raw video data of this compression decompress;
Is the RGB coding with these raw video data by the YUV code conversion;
Utilize a driver element to export these raw video data to a display unit.
2. the image data presented compression method of intelligent accelerating according to claim 1 is characterized in that, this predetermined way is for carrying out different processing with the even bit logarithmic data and the odd bits logarithmic data of these raw video data respectively.
3. the image data presented compression method of intelligent accelerating according to claim 2 is characterized in that the processing of this odd number sequence data more comprises the following steps:
The pixel data NF_PL_RGB of RGB coded format is stored in one first temporary sequence;
From this storage medium, read the compressing image data PF_COMP of last image data, and this compressing image data storing is kept in the sequence one second; And
The pixel data NF_NL_RGB that reads the input image in one the 3rd temporary sequence is also with this pixel data output.
4. the image data presented compression method of intelligent accelerating according to claim 3 is characterized in that the processing of this even number sequence data more comprises the following steps:
Read the input pixel data NF_PL_RGB of the RGB coding in list entries data NF_NL_RGB and this first temporary sequence, and this input pixel data and this list entries data are converted to YUV coded format NF_PL_YUV and NF_NL_YUV;
Compress the image data after the above-mentioned conversion, and the image data NF_COMP after will compressing is stored in this storage medium;
Read the image data PF_COMP in this second temporary sequence, and image data PF_COMP and the image data NF_COMP that is converted to yuv format and compressed are compared;
Decompression image data PF_COMP to be obtaining PF_PL_YUV and PF_NL_YUV image data, and PF_PL_YUV and PF_NL_YUV image data are converted to the RGB coded format to obtain PF_PL_RGB image data and PF_NL_RGB image data;
Utilize look-up table contrast PF_PL_RGB image data and NF_PL_RGB image data, obtain the PL speedup and drive processing numerical value OVER_PL, and utilize look-up table contrast PF_NL_RGB image data and NF_NL_RGB image data, obtain the NL speedup and drive processing numerical value OVER_NL;
PF_COMP and NF_COMP subtracted each other obtain a numerical value J;
Greater than a predetermined value, then image data is carried out speedup processing and output speedup driving processing numerical value OVER_PL as if J, and speedup driving processing numerical value OVER_NL is stored in the 3rd temporary sequence; And
If J, then exports the NF_PL_RGB image data less than this predetermined value and the NF_NL_RGB image data is stored in the 3rd temporary sequence.
5. the image data presented compression set of an intelligent accelerating is characterized in that, comprising:
One storage medium;
One RGB changes the YUV converting unit, and its raw video data that will obtain are the YUV coding by the RGB code conversion;
One compression unit, its compressing and converting are the raw video data of YUV coding, and write in this storage medium by the raw video data that a predetermined way will compress;
One decompression unit, the raw video data that it compressed;
One YUV changes the RGB converting unit, and it is the RGB coding with these raw video data by the YUV code conversion;
One motion detection unit, it judges whether that need carry out speedup to these raw video data of RGB coding handles;
One intelligent accelerating processing unit, when needs were carried out the speedup processing, its these raw video data to the RGB coding were carried out speedup and are handled; And
One multiplexer, its these raw video data with the RGB coding export a display unit to.
6. the image data presented compression set of intelligent accelerating according to claim 5 is characterized in that, this predetermined way is for carrying out different processing with the even bit logarithmic data and the odd bits logarithmic data of these raw video data respectively.
7. the image data presented compression set of intelligent accelerating according to claim 6, it is characterized in that, the processing of this odd number sequence data comprises that more this compression unit is stored in one first temporary sequence with the pixel data NF_PL_RGB of RGB coded format, from this storage medium, read the compressing image data PF_COMP of last image data, and with this compressing image data storing in one second temporary sequence, and in one the 3rd temporary sequence, read the pixel data NF_NL_RGB of input image and with this pixel data output.
8. the image data presented compression set of intelligent accelerating according to claim 7, it is characterized in that, the processing of this even number sequence data comprises that more this compression unit reads the input pixel data NF_PL_RGB of the RGB coding in list entries data NF_NL_RGB and this first temporary sequence, and this input pixel data and this list entries data be converted to YUV coded format NF_PL_YUV and NF_NL_YUV, compress the image data after the above-mentioned conversion, and the image data NF_COMP after will compressing is stored in this storage medium, read the image data PF_COMP in this second temporary sequence, and with image data PF_COMP be converted to yuv format and the image data NF_COMP that compressed compares, decompression image data PF_COMP is to obtain PF_PL_YUV and PF_NL_YUV image data, and PF_PL_YUV and PF_NL_YUV image data are converted to the RGB coded format to obtain PF_PL_RGB image data and PF_NL_RGB image data, utilize look-up table contrast PF_PL_RGB image data and NF_PL_RGB image data, obtain the PL speedup and drive processing numerical value OVER_PL, and utilize look-up table to contrast PF_NL_RGB image data and NF_NL_RGB image data, obtain the NL speedup and drive processing numerical value OVER_NL, PF_COMP and NF_COMP subtracted each other obtain a numerical value J, if J is greater than a predetermined value, then image data being carried out speedup handles and output speedup driving processing numerical value OVER_PL, and speedup is driven processing numerical value OVER_NL be stored in the 3rd temporary sequence, and if J, then exports the NF_PL_RGB image data less than this predetermined value and the NF_NL_RGB image data is stored in the 3rd temporary sequence.
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| US7460131B2 (en) * | 2003-09-30 | 2008-12-02 | Sharp Laboratories Of America, Inc. | Methods and systems for processing image data for display on LC displays |
| CN100351890C (en) * | 2004-04-29 | 2007-11-28 | 钰瀚科技股份有限公司 | Signal processing method |
| JP2008158472A (en) * | 2006-11-29 | 2008-07-10 | Mitsubishi Electric Corp | Liquid crystal display device |
| CN101207707A (en) * | 2007-12-18 | 2008-06-25 | 上海广电集成电路有限公司 | System and method for advancing frame frequency based on motion compensation |
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| CN115348432A (en) * | 2022-08-15 | 2022-11-15 | 上海壁仞智能科技有限公司 | Data processing method and device, image processing method, electronic device and medium |
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