CN101212559A - ALIS display technique based image jitter-prevention processing method - Google Patents
ALIS display technique based image jitter-prevention processing method Download PDFInfo
- Publication number
- CN101212559A CN101212559A CNA2006101709167A CN200610170916A CN101212559A CN 101212559 A CN101212559 A CN 101212559A CN A2006101709167 A CNA2006101709167 A CN A2006101709167A CN 200610170916 A CN200610170916 A CN 200610170916A CN 101212559 A CN101212559 A CN 101212559A
- Authority
- CN
- China
- Prior art keywords
- brightness
- image
- alis
- processing method
- edge
- 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.)
- Granted
Links
Images
Abstract
The invention discloses an image anti-shake processing method based on an ALIS displaying technology, which specifically comprises the following steps: firstly, a horizontal edge of a static image which is displayed on a dynamic background is widened and a border line is removed; width of an edge transition region of the image is regulated between 10-25 mm; secondly, brightness of the transition region is regulated in a trend that the most edge gradually changes from weakness to brightness towards inside; wherein, the biggest edge brightness of the edge transition region is regulated to 1/6-1/3 of the biggest brightness of the displaying device; the brightness of the innermost side of the transition region is regulated to 1/2-2/3 of the biggest brightness of the displaying device; then character on the static image is set to a font with a wider horizontal width and the brightness of the character is lowered to 1/2-2/3 of the biggest brightness of the displaying device. The proposal can effectively remove image shaking phenomena of an ALIS displaying module, which greatly improves visual effect of consumers and enhances overall quality of interlaced scanning TV product.
Description
Technical field
The invention belongs to the signal processing technology field, relate to a kind of anti-shake processing method of image, specifically, relate to a kind of software implementation method that the picture signal of the plasma module that adopts interlacing scan ALIS Display Technique is carried out anti-shake processing.
Background technology
Present video display technology generally comprises two kinds of basic display modes: interlacing scan display mode or line by line scan. display mode.Line by line scan, be commonly used on computer display or the digital television, all horizontal lines of a displayed image are as a frame.Interlacing scan is commonly used on the television set of standard NTSC, PAL, Sequential Color and Memory system formula, once only shows the half level line, promptly each field signal is divided into two demonstrations, shows earlier to show even field again by odd field.Interlacing scan depends on the eye storage characteristic of human eye and the phosphorus on the television picture tube and persists two scanning fields are thickened, and forms the piece image that human eye perceives arrives.Interleaved advantage is as long as half original data volume just can obtain high refresh rate 50Hz or 60Hz; Shortcoming is that horizontal resolution shows more line by line and reduced half in fact.Therefore; for adopting interlacing to show the plasm TV of ALIS technology; run into the problem of image flicker shake through regular meeting; when particularly showing still image or showing still image on the outer PC by video screen on dynamic background frame, the flashing problem of still image is particularly evident.For example trigger OSD operating system menu in watching the process of TV programme, at this moment, background frame is dynamic TV program, and the OSD menu that shows on it is static.Present television set generally all designs thinner edge line at its horizontal edge place, and the brightness of whole menu is identical when design OSD menu, specific luminance is higher mutually with background frame.This OSD menu design mode is applied in the plasma TV of interlacing demonstration; menu occurring through regular meeting glimmers seriously in the horizontal direction; give the sensation of shake, thereby caused influence to a certain degree for consumer's view reception effect, reduced the complete machine quality of plasm TV.
Summary of the invention
When one of purpose of the present invention is to solve the display device that adopts the interlacing Display Technique shows still image on dynamic background, because background luminance is generally lower, make the light and shade of still image and background frame to bigger, cause the still image flicker serious, be easy to generate visual shake in the horizontal direction.
At this problem, the technology used in the present invention means comprise:
Step 1 is widened the horizontal edge that is presented at the still image on the dynamic background, regulates its edge transition sector width between 10～25mm;
Step 2 is regulated the brightness in described edge transition district, is by dark to the bright trend that gradually changes to inside by edge.
Wherein, the edge brightness in described edge transition district is adjusted to 1/6～1/3 of display device high-high brightness; The most inboard brightness regulation in edge transition district is 1/2～2/3 of a display device high-high brightness.
In the present invention, preferred edge transition sector width is 20mm; The edge brightness in edge transition district is 1/3 of a display device high-high brightness, and the most inboard brightness is 2/3 of display device high-high brightness.
It is thinner that two of purpose of the present invention is to solve in traditional still image the general brightness of character line higher, horizontal direction, thereby cause the flashing of character easily.
At this problem, the present invention is arranged to the font of horizontal line wider width, for example lishu with the character on the described still image; And the brightness that reduces character on the described still image is to 1/2～2/3 of display device high-high brightness.In the present invention, preferred characters brightness is 1/2 of display device high-high brightness.
Three of purpose of the present invention is to solve when showing the video image of sending from outer PC by the video screen that adopts horizontal-interlace technique, the problem that occurs flashing easily, solution proposed by the invention is: reduce described image brightness to 75%～80% of display device high-high brightness, display frequency is brought up to 60～66Hz.In the present invention, preferred image brightness is 80% of display device high-high brightness, and display frequency is 66Hz.
Compared with prior art, advantage of the present invention and good effect are: the useful signal processing scheme that the invention provides a kind of ALIS of being applicable to interlacing display module, the figure that uses this scheme can effectively eliminate the demonstration of ALIS module trembles phenomenon, reduced development cost, shortened the development time, greatly improved consumer's visual effect, improved complete machine quality based on interlacing Display Technique tv product.
Description of drawings
Fig. 1 is based on the software flow block diagram of the anti-shake processing method of image of ALIS Display Technique among the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done explanation in further detail.
The present invention sums up following rule by the display image based on the plasma module of ALIS technology is analyzed:
1, the variation of image brightness can cause the flicker of observer's subjective sensation, visually shows as jitter phenomenon;
2, the lines on the horizontal direction are thin more, and the contrast of image light and shade is big more, and it is serious more to glimmer;
3, the field frequencies range of image is low more, and it is serious more to glimmer;
4, still image is more serious than the dynamic image flicker, and dynamic image is not generally seen flicker.
According to above-mentioned rule, the present invention adopts a series of technical schemes respectively to being presented at still image on the dynamic background, handling respectively from the video image in the PC, dynamic image, substantially eliminate the image flicker jitter phenomenon, improved the image quality of display device.
Embodiment one, when on dynamic background, showing still image, for example in watching the process of TV programme, show OSD operating system menu, because background frame is dynamic, high-brghtness picture images is seldom arranged, and the brightness of still image is provided with usually higherly, the image light and shade is to bigger, therefore, flicker is more serious.Particularly for the OSD menu, because traditional television set is when design OSD menu, the menu edge is narrower, and general design has thinner boundary line.When this design showed in the plasma module that adopts the interlacing Display Technique, it was serious to glimmer on the OSD menu horizontal direction, from visually showing as jitter phenomenon.
The present invention is based on this problem, proposed a kind of processing method that solves the still image flicker that is presented on the dynamic background that has, specifically may further comprise the steps:
Step 1, the horizontal edge that will be presented at the still image on the dynamic background are widened, and remove the boundary line, regulate its edge transition sector width between 10～25mm;
Step 2, regulate the brightness in described edge transition district, be by dark to the bright trend that gradually changes to inside by edge; Wherein, the edge brightness in described edge transition district is adjusted to 1/6～1/3 of display device high-high brightness; The most inboard brightness regulation in edge transition district is 1/2～2/3 of a display device high-high brightness.
Step 3, the font of horizontal line wider width, for example lishu be arranged in the character on the described still image;
The brightness of character is to 1/2～2/3 of display device high-high brightness on step 4, the described still image of reduction.
In the present invention, preferred edge transition sector width is 20mm; The edge brightness in edge transition district is 1/3 of a display device high-high brightness, and the most inboard brightness is 2/3 of display device high-high brightness.The present invention is thinner in order to solve in traditional still image the general brightness of character line higher, horizontal direction, adopts the Song typeface usually, causes the problem of character blinking shake easily, has proposed above-mentioned step 3 and step 4.Wherein, the font of character also can adopt other forms except that lishu, as long as the relative Song typeface of its horizontal line width more slightly; Preferred characters brightness is 1/2 of display device high-high brightness.
Still image after handling is stored in the memory of display device, store among the FLASH, directly access demonstration during demonstration, thereby eliminated the flashing phenomenon of still image substantially as OSD menu with television set.
Embodiment two, showing from the static PC image in the outer PC by the display device based on the ALIS technology such as television set, when showing EXCEL or WORD document by television screen, because being mainly, the PC image processing satisfies the office requirement, the user need closely watch, and brightness can be darker slightly than the image of other signal sources.According to these characteristics, the measure that the present invention takes is: at first, the display frequency of PC image is brought up to 60～66Hz; Secondly, reduce the brightness of PC image to 75%～80% of display device high-high brightness.In the present invention, preferred image brightness is 80% of display device high-high brightness, and display frequency is 66Hz.PC image after the processing has been eliminated figure substantially and has been trembled phenomenon when showing through television screen.
When exporting the dynamic video image that sends from exterior PC,, then adopt above-mentioned technological means can eliminate the jitter problem of dynamic video image equally if described dynamic video image meets the VASA form by video screen.If described dynamic video image does not meet the VASA form, the display frequency of then regulating display device is identical with frequency input signal, can play the effect that improves image quality.
Embodiment three, and the display device that adopts horizontal-interlace technique is when showing dynamic image, and especially when image detail was a lot, the display frequency of regulating display device was identical with the frequency of input signal, can effectively solve the flating problem.
Embodiment four, and above-mentioned signal processing method is applied to form the software flow block diagram of the anti-shake processing method of image as shown in Figure 1 in the plasma display module based on the ALIS technology, specifically may further comprise the steps:
The command signal that a, reception remote controller or button send;
B, judge whether display command, if then extract the OSD menu (described OSD menu is the image after handling according to embodiment one described mode) after handling among the FLASH, and show by display screen into OSD; If not, then carry out next step;
C, judge whether for entering the order of PC state, if then carry out next step; Otherwise, jump to e;
D, judge whether the input signal from PC, if having, judge then whether it meets the VASA form, if meet the VASA form, then the brightness with input picture is reduced to 80% of television set high-high brightness, and frequency is increased to 66Hz output; If do not meet the VASA form, then regulate the identical output of frequency of display frequency with the input signal of television set;
Whether the instruction that e, judgement receive shows the order of dynamic image, if then carry out next step for switching to other signal sources; Otherwise, jump to g;
F, judged whether signal input, if having, the display frequency of then regulating television set is identical with the frequency of input signal; Otherwise, call the OSD menu (described OSD menu is the image after handling according to embodiment one described mode) that shows the no signal icon among the FLASH;
G, withdraw from the anti-shake handling procedure of image.
The present invention is directed to different images and adopted above-mentioned a series of software processes scheme that picture signal is handled respectively, eliminated the problem of image flicker shake substantially, help improving the display quality of display device.
Certainly; above-mentioned explanation is not to be limitation of the present invention; the present invention also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (10)
1. anti-shake processing method of the image based on the ALIS Display Technique comprises:
Step 1 is widened the horizontal edge that is presented at the still image on the dynamic background, regulates its edge transition sector width between 10～25mm;
Step 2 is regulated the brightness in described edge transition district, is by dark to the bright trend that gradually changes to inside by edge.
2. the anti-shake processing method of the image based on the ALIS Display Technique according to claim 1 is characterized in that: the edge brightness of regulating described edge transition district is 1/6～1/3 of a display device high-high brightness.
3. the anti-shake processing method of the image based on the ALIS Display Technique according to claim 2 is characterized in that: the most inboard brightness of regulating described edge transition district is 1/2～2/3 of display device high-high brightness.
4. according to claim 1 or the anti-shake processing method of 2 or 3 described images based on the ALIS Display Technique, it is characterized in that: described edge transition sector width is 20mm; The edge brightness in edge transition district is 1/3 of a display device high-high brightness, and the most inboard brightness is 2/3 of display device high-high brightness.
5. according to claim 1 or the anti-shake processing method of 2 or 3 described images, it is characterized in that: the font of the character on the described still image being arranged to the horizontal line wider width based on the ALIS Display Technique.
6. the anti-shake processing method of the image based on the ALIS Display Technique according to claim 5 is characterized in that: the character font on the described still image is a lishu.
7. the anti-shake processing method of the image based on the ALIS Display Technique according to claim 5 is characterized in that: the brightness that reduces character on the described still image is to 1/2～2/3 of display device high-high brightness.
8. the anti-shake processing method of the image based on the ALIS Display Technique according to claim 7 is characterized in that: the brightness of character is 1/2 of display device high-high brightness on the described still image.
9. according to claim 1 or the anti-shake processing method of 2 or 3 described images based on the ALIS Display Technique, it is characterized in that: when showing from the image on the outer computer by described display device, reduce described image brightness to 75%～80% of display device high-high brightness, display frequency is brought up to 60～66Hz.
10. the anti-shake processing method of the image based on the ALIS Display Technique according to claim 9, it is characterized in that: described image brightness is reduced to 80% of display device high-high brightness, and display frequency is brought up to 66Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101709167A CN100556073C (en) | 2006-12-25 | 2006-12-25 | Based on the anti-shake processing method of the image of ALIS Display Technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101709167A CN100556073C (en) | 2006-12-25 | 2006-12-25 | Based on the anti-shake processing method of the image of ALIS Display Technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101212559A true CN101212559A (en) | 2008-07-02 |
| CN100556073C CN100556073C (en) | 2009-10-28 |
Family
ID=39612199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101709167A Active CN100556073C (en) | 2006-12-25 | 2006-12-25 | Based on the anti-shake processing method of the image of ALIS Display Technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100556073C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084038A1 (en) * | 2015-11-18 | 2017-05-26 | 华为技术有限公司 | Image display method and apparatus, electronic device and storage medium |
| CN109151538A (en) * | 2018-09-17 | 2019-01-04 | 深圳Tcl新技术有限公司 | Image display method, device, smart television and readable storage medium storing program for executing |
-
2006
- 2006-12-25 CN CNB2006101709167A patent/CN100556073C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084038A1 (en) * | 2015-11-18 | 2017-05-26 | 华为技术有限公司 | Image display method and apparatus, electronic device and storage medium |
| CN107005622A (en) * | 2015-11-18 | 2017-08-01 | 华为技术有限公司 | A kind of method for displaying image, device, electronic equipment and storage medium |
| CN107005622B (en) * | 2015-11-18 | 2019-11-29 | 华为技术有限公司 | A kind of image display method, device, electronic equipment and storage medium |
| CN109151538A (en) * | 2018-09-17 | 2019-01-04 | 深圳Tcl新技术有限公司 | Image display method, device, smart television and readable storage medium storing program for executing |
| US11178313B2 (en) | 2018-09-17 | 2021-11-16 | Shenzhen Tcl New Technology Co., Ltd. | Image display method, image display device, smart TV and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100556073C (en) | 2009-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5643964B2 (en) | Video apparatus and method | |
| CN100518263C (en) | Display apparatus and method of preventing image burn-in | |
| US6166772A (en) | Method and apparatus for display of interlaced images on non-interlaced display | |
| EP2312861A2 (en) | Stereoscopic display apparatus and image processing method thereof | |
| US11475815B2 (en) | Driving method, driving circuit, and display device | |
| US20090189912A1 (en) | Animation judder compensation | |
| JP2011015068A (en) | Still subtitle detection apparatus, visual display equipment for displaying image including still subtitle, and method for processing image including still subtitle | |
| CN102724458B (en) | The method for processing caption of video pictures full screen display and video terminal | |
| US11295656B2 (en) | Driving method, driving circuit, and display device | |
| US8115867B2 (en) | Image processing device | |
| US8149254B2 (en) | Displaying apparatus to reduce image marking and control method thereof | |
| CN111128082B (en) | Backlight adjusting method, display and storage medium | |
| GB2514497B (en) | Methods for external display resolution selection | |
| CN101489065B (en) | Window television and method for implementing window therefor | |
| CN100556073C (en) | Based on the anti-shake processing method of the image of ALIS Display Technique | |
| KR20080011026A (en) | Image processing apparatus, display apparatus and image processing method | |
| JP2006171425A (en) | Video display apparatus and method | |
| CN105635789A (en) | Video image OSD brightness reducing method and device | |
| JP2008096521A (en) | Video display apparatus | |
| JP2008304563A (en) | Image display device and method | |
| CN111405362B (en) | Video output method, video output device, video equipment and computer readable storage medium | |
| KR100702239B1 (en) | Display Apparatus and Method for Setting Up A Picture Quality Thereof | |
| Callway | Variable Frame Rate Technology—Change Is Good! | |
| US20060132479A1 (en) | Image display device for generating input image signals in best mode and method thereof | |
| KR20070012009A (en) | Method for removing image sticking of pdp tv having pat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: HISENSE ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |