CN102761728A - MEMC (Motion Estimate and Motion Compensation) device and method for 240Hz display - Google Patents
MEMC (Motion Estimate and Motion Compensation) device and method for 240Hz display Download PDFInfo
- Publication number
- CN102761728A CN102761728A CN201110105666XA CN201110105666A CN102761728A CN 102761728 A CN102761728 A CN 102761728A CN 201110105666X A CN201110105666X A CN 201110105666XA CN 201110105666 A CN201110105666 A CN 201110105666A CN 102761728 A CN102761728 A CN 102761728A
- Authority
- CN
- China
- Prior art keywords
- frame
- data
- insert
- motion compensation
- estimation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention provides MEMC (Motion Estimate and Motion Compensation) structure for a 240Hz display, and the structure comprises two MEMC units, wherein only the first MEMC unit is externally connected with a frame storage and used for receiving data of a 60Hz frame format, the frame storage buffers a previous frame, the first MEMC unit form a first insert frame at each marked sensing point through combination of the previous frame and the adjacent next frame, and outputs the previous frame and the insert frame in parallel; and the second MEMC unit receives the parallel output and combines the previous frame and the first insert frame to form a new second insert frame, and combines the insert frame and the next frame to form a new third insert frame, and outputs the original previous frame, the second insert frame, the first insert frame, the third insert frame and the original next frame in sequence, thus forming 240Hz frame data.
Description
Technical field
The present invention relates to video processing technique, more specifically, the present invention relates to a kind of MEMC apparatus and method of the 240Hz of being used for display.
Background technology
At present; Generally include two kinds of display unit; Be respectively impulse type display unit and maintenance display unit; The impulse type display unit is after image writes the screen of display unit, and at certain twilight sunset of fluorescent material luminescence generated by light between retention period, wherein cathode-ray tube display and electroluminescent show and all belong to the impulse type display unit.The maintenance display unit is writing the demonstration that keeps last picture frame before the new image frame, and wherein, LCD and electroluminescent display belong to the maintenance display unit.
A shortcoming of maintenance display unit is the blooming that in moving image, takes place, and in the image of moving object at a plurality of frames, occur, and spectators' eyes is during along with the motion of moving object, and stack and reflection appear in the image of these a plurality of frames in eye.Before the former frame that is shown image was replaced by back one frame, former frame remained, but human eye is anticipated the demonstration of the next frame of image, transfers to the direction of motion of the moving object on the former frame image through sight line and watches this moving object.In addition, eyes carry out image sampling in the time interval shorter than the interFrameGap of moving image, thereby observe blurred picture.
In addition; Along with the development of LCDs technology, the manufacturer has released novel 1366*768 and 1920*1080, refreshing frequency are the display screen of 240Hz, but because the conventional screen-refresh frequency of LCD TV is 60Hz; Divide two according to first lattice in the time of DVD playing back; Second lattice divide three, and the 3rd lattice divide two, and the 4th lattice divide three order to convert the length of 60 (30 frames)/second to.Because what adopt is horizontal-interlace technique, these 60 all is the image of incomplete 262.5 lines, and per the 2nd, 3 frame all the situation that the doubling of the image is obscured can occur, and makes the details of image fuzzy even lose.
In order to solve the fuzzy perhaps problem of image jitter of this details; Usually use primitive frame is carried out interior processing mode of inserting; As shown in Figure 1; For the resolution of 1366*768, this system comprises two estimation and motion compensation (MEMC) unit, the external frame memory of each estimation and motion compensation units.Fig. 2 illustrates the signal of interleave process; Wherein, after the original frame data input of 60Hz, when transferring out a MEMC unit; It is temporary to frame memory; In a MEMC unit, original first frame and next frame are made up simultaneously, form frame data, be referred to as to insert frame by adjacent two frames splicing.At place, the 2nd MEMC unit, primitive frame is temporary to frame memory when transferring out the 2nd MEMC unit respectively with the insertion frame, and carries out the frame combination in the 2nd MEMC unit, constitutes new insertion frame.Can know that such processing mode needs two frame memories, makes the microminiaturization of MEMC system be affected.
Summary of the invention
For overcoming above-mentioned defective of the prior art, the present invention proposes a kind of MEMC apparatus and method of the 240Hz of being used for display.
According to an aspect of the present invention; Proposed a kind of estimation and motion compensation MEMC structure of the 240Hz of being used for display, comprised two estimation and motion compensation units, it is characterized in that; The external frame memory of first estimation and motion compensation units only; First estimation and motion compensation units are used to receive the data of 60Hz frame format, and frame memory is with the former frame buffer memory, and first estimation and motion compensation units make up through the adjacent back with it of these former frame data one frame data at the induction point place of each mark; Constitute first and insert frame, and with this former frame and insertion frame and line output; Second estimation and motion compensation units receive also line output; Second estimation and motion compensation units are also inserted frame with former frame and first and are made up and form new second and insert frame; Make up and form the new the 3rd and insert frame inserting frame and back one frame; Insert frame, first according to this original former frame, second and insert the order output that frame, the 3rd inserts frame and original back one frame, constitute the frame data of 240Hz.
According to a further aspect in the invention, proposed a kind of estimation and motion compensation MEMC method of the 240Hz of being used for display, having comprised: step 10), received the data of 60Hz frame format, detect the induction point of these frame data, the induction point mark; Step 20), with the former frame buffer memory,, constitute first and insert frame through the one frame data combination of the adjacent back of these former frame data at the induction point place of each mark, with this former frame and insertion frame and line output with it; Step 30), former frame and first is inserted the frame combination; Form the second new insertion frame; To insert frame and back one frame combination; Form the new the 3rd and insert frame, should original former frame, second insert frame, first and insert frame, the 3rd and insert frame and the one frame sequential output of original back, the frame data of formation 240Hz.
The present invention provides a kind of new MEMC structure through a kind of new interpolating method, thereby has saved an intermediate frame memory, has dwindled the layout of structure, is of value to the microminiaturization development of equipment.
Description of drawings
Fig. 1 illustrates the MEMC system construction drawing of prior art;
Fig. 2 illustrates the interpolation process of prior art;
Fig. 3 illustrates according to interpolation process of the present invention;
Fig. 4 illustrates according to MEMC structure of the present invention, and compares with existing mechanism.
As shown in the figure; In order clearly to realize the structure of embodiments of the invention, marked specific structure and device in the drawings, but this is merely the signal needs; Be not that intention is limited to the present invention in this ad hoc structure, device and the environment; According to concrete needs, those of ordinary skill in the art can adjust these devices and environment or revise, and adjustment of being carried out or modification still are included in the scope of accompanying Claim.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment a kind of MEMC method and apparatus that is used for display provided by the invention is described in detail.
In the following description, with description a plurality of different aspects of the present invention, yet, for the one of ordinary skilled in the art, can only utilize perhaps entire infrastructure more of the present invention or flow process to come embodiment of the present invention.For the definition of explaining, specific number, configuration and order have been set forth, but clearly, in that do not have also can embodiment of the present invention under the situation of these specific detail.In other cases, in order not obscure the present invention, will set forth no longer in detail for some well-known characteristics.
Fig. 3 illustrates the MEMC method that is used for Video processing according to of the present invention, and is as shown in Figure 2, and this method comprises: step 10), receive the data of 60Hz frame format, detect the induction point of these frame data, with the induction point mark; Step 20), with the former frame buffer memory,, constitute first and insert frame through the one frame data combination of the adjacent back of these former frame data at the induction point place of each mark, with this former frame and insertion frame and line output with it; Step 30), former frame and first is inserted the frame combination; Form the second new insertion frame; To insert frame and back one frame combination; Form the new the 3rd and insert frame, should original former frame, second insert frame, first and insert frame, the 3rd and insert frame and the one frame sequential output of original back, the frame data of formation 240Hz.
Particularly,, wherein, step 10), receive the data of 60Hz frame format, detect the induction point of these frame data, the induction point mark further referring to Fig. 3.Wherein, for initial data, frame data are input in the MEMC system in proper order.Each frame data end point is exactly the induction point of frame data, just the change point position between the different frame data.
Fig. 4 illustrate according to MEMC structure of the present invention and with the contrast of existing mechanism, as shown in Figure 4, and according to the interpolating method of Fig. 3; Can know the prior art with respect to Fig. 1, only there is frame memory in structure shown in Figure 4 at place, a MEMC unit, and at place, the 2nd MEMC unit; Do not need frame memory, the 2nd MEMC unit directly uses primitive frame and insertion frame to make up new insertion frame, because primitive frame with the insertion frame is and input mode; Can directly be combined to form; And same and line output through also string conversion, form the frame data format of new 240Hz.
Just as shown in Figure 4, wherein, this MEMC structure comprises two estimation and motion compensation (MEMC) unit, the external frame memory of first estimation and motion compensation units.The first frame MEMC is used to receive the data of 60Hz frame format, detects the induction point of these frame data, with the induction point mark.Frame memory is the former frame buffer memory, and a MEMC unit, constitutes first and inserts frame, with this former frame and insertion frame and line output through the one frame data combination of the adjacent back with it of these former frame data at the induction point place of each mark.The 2nd MEMC unit receives also line output; The 2nd MEMC unit also inserts the frame combination with former frame and first; Form the second new insertion frame, will insert frame and back one frame combination, form the 3rd new insertion frame; To insert frame, first according to this original former frame, second and insert the order output that frame, the 3rd inserts frame and original back one frame, constitute the frame data of 240Hz.
Thereby, it is thus clear that, save a back frame memory, reduced device space than existing MEMC structure, further be application-specific integrated circuit (ASIC) through inheriting, further improve its integrated level, reduce its usage space.
What should explain at last is; Above embodiment is only in order to describe technical scheme of the present invention rather than the present technique method is limited; The present invention can extend to other modification, variation, application and embodiment on using, and therefore thinks that all such modifications, variation, application, embodiment are in spirit of the present invention and teachings.
Claims (5)
1. an estimation and a motion compensation structure that is used for the 240Hz display comprises two estimation and motion compensation units, it is characterized in that,
The external frame memory of first estimation and motion compensation units only; First estimation and motion compensation units are used to receive the data of 60Hz frame format; Frame memory is with the former frame buffer memory; First estimation and motion compensation units, constitute first and insert frame through the one frame data combination of the adjacent back with it of these former frame data at the induction point place of each mark, and with this former frame and insertion frame and line output;
Second estimation and motion compensation units receive also line output; Second estimation and motion compensation units are also inserted frame with former frame and first and are made up and form new second and insert frame; Inserting frame and back one frame with first makes up and forms the new the 3rd and insert frame; Insert frame, first according to this original former frame, second and insert the order output that frame, the 3rd inserts frame and original back one frame, constitute the frame data of 240Hz.
2. structure according to claim 1, wherein, said first estimation and motion compensation units are used to receive the initial data of 60Hz frame format, detect the induction point of these 60Hz frame data, and induction point is carried out mark.
3. structure according to claim 1, wherein, original frame data is input in first estimation and the motion compensation units in proper order, and each frame data end point is exactly the induction point of frame data.
4. an estimation and motion compensation MEMC method that is used for the 240Hz display comprises:
Step 10), receive the data of 60Hz frame format, detect the induction point of these frame data, the induction point mark;
Step 20), with the former frame buffer memory,, constitute first and insert frame through the one frame data combination of the adjacent back of these former frame data at the induction point place of each mark, with this former frame and first insertion frame and the line output with it;
Step 30), this former frame and first is inserted the frame combination; Form the second new insertion frame; Insert frame and back one frame combination with first; Form the 3rd new insertion frame, will export the frame data of formation 240Hz according to the order of this original former frame, the second insertion frame, the first insertion frame, the 3rd insertion frame and original back one frame.
5. the described method of claim 4, wherein, in the step 10), for initial data, frame data are imported in proper order, and each frame data end point is exactly the induction point of frame data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110105666XA CN102761728A (en) | 2011-04-27 | 2011-04-27 | MEMC (Motion Estimate and Motion Compensation) device and method for 240Hz display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110105666XA CN102761728A (en) | 2011-04-27 | 2011-04-27 | MEMC (Motion Estimate and Motion Compensation) device and method for 240Hz display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102761728A true CN102761728A (en) | 2012-10-31 |
Family
ID=47056034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110105666XA Pending CN102761728A (en) | 2011-04-27 | 2011-04-27 | MEMC (Motion Estimate and Motion Compensation) device and method for 240Hz display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102761728A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080068359A1 (en) * | 2006-09-15 | 2008-03-20 | Semiconductor Energy Laboratory Co., Ltd. | Display device and method of driving the same |
| CN101594456A (en) * | 2009-02-18 | 2009-12-02 | 逐点半导体（上海）有限公司 | Image processing apparatus and method |
| CN101998029A (en) * | 2009-08-05 | 2011-03-30 | 株式会社日立制作所 | Image processing device and image processing method |
| CN202206487U (en) * | 2011-04-27 | 2012-04-25 | 佛山市南海平板显示技术中心 | MEMC (Motion Estimation and Motion Compensation) device for 240Hz display |
-
2011
- 2011-04-27 CN CN201110105666XA patent/CN102761728A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080068359A1 (en) * | 2006-09-15 | 2008-03-20 | Semiconductor Energy Laboratory Co., Ltd. | Display device and method of driving the same |
| CN101594456A (en) * | 2009-02-18 | 2009-12-02 | 逐点半导体（上海）有限公司 | Image processing apparatus and method |
| CN101998029A (en) * | 2009-08-05 | 2011-03-30 | 株式会社日立制作所 | Image processing device and image processing method |
| CN202206487U (en) * | 2011-04-27 | 2012-04-25 | 佛山市南海平板显示技术中心 | MEMC (Motion Estimation and Motion Compensation) device for 240Hz display |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102556084B1 (en) | Display device capable of changing frame rate and operating method thereof | |
| JP4846020B2 (en) | System, method and computer program product for controlling stereoscopic glasses shutter | |
| CN107277595B (en) | A kind of multi-channel video synchronous method and device | |
| US7940241B2 (en) | Display apparatus with frame rate controllers generating motion interpolated intermediate image based on image information from adjacent frame rate controller | |
| US9870756B2 (en) | Display panel | |
| CN107665105B (en) | Display equipment interface conversion device, multi-screen display system and multi-screen display method | |
| CN101491090A (en) | Method and apparatus for synchronizing display streams | |
| JP6601020B2 (en) | Imaging display device | |
| CN202206487U (en) | MEMC (Motion Estimation and Motion Compensation) device for 240Hz display | |
| CN110189696A (en) | A kind of display device and its driving method | |
| CN104183223A (en) | Display device, driving device and driving method | |
| US20080186292A1 (en) | Timing controller, liquid crystal display device having the same, and method of operating a timing controller | |
| CN101770756B (en) | Liquid crystal display and driving method thereof | |
| CN102761728A (en) | MEMC (Motion Estimate and Motion Compensation) device and method for 240Hz display | |
| US20120127159A1 (en) | Method of driving display panel and display apparatus for performing the same | |
| JP2014096655A (en) | Information processor, imaging apparatus and information processing method | |
| US8494253B2 (en) | Three-dimensional (3D) image processing method and system | |
| CN104469241A (en) | Device for achieving video frame rate change | |
| CN115240578A (en) | Method and device for seamless switching between command mode and video mode and display device | |
| CN102761726A (en) | MEMC (motion estimate and motion compensation) method for video processing | |
| CN102244739B (en) | Image processing apparatus, image processing method and image processing system | |
| CN102760463A (en) | MEMC (Motion Estimate and Motion Compensation) device for video processing | |
| WO2011108742A1 (en) | Method and display device for a cross talk reduction technique | |
| US8675052B2 (en) | Pixel circuit, device and method for displaying stereoscopic image | |
| CN202168155U (en) | Liquid crystal display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121031 |