CN104077100B - Composite buffer area image display method and device - Google Patents
Composite buffer area image display method and device Download PDFInfo
- Publication number
- CN104077100B CN104077100B CN201410299168.7A CN201410299168A CN104077100B CN 104077100 B CN104077100 B CN 104077100B CN 201410299168 A CN201410299168 A CN 201410299168A CN 104077100 B CN104077100 B CN 104077100B
- Authority
- CN
- China
- Prior art keywords
- pixel
- buffering area
- transparency
- painting canvas
- area image
- 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.)
- Expired - Fee Related
Links
Abstract
The invention provides a composite buffer area image display method and a composite buffer area image display device. The method comprises the following steps of: when receiving a command for displaying the image of a buffer area, creating a canvas having a transparent channel; drawing each buffer area image on the canvas; obtaining transparence of pixel points in the buffer area images on the canvas, and judging whether the corresponding pixel point belongs to a composite buffer area image according to the transparence; if yes, recoloring the corresponding pixel point according to the transparence and a pre-building color comparison table, and displaying each recolored pixel point. According to the composite buffer area image display method and device, information of the composite buffer area information is prevented from losing, occupation of CPU resources is reduced, and the image displaying efficiency of the composite buffer area is improved.
Description
Technical field
The present invention relates to image display arts, more particularly to a kind of composite buffering area method for displaying image and one kind are again
Close buffering area image display device.
Background technology
With computer technology and the fast-developing and maturation of surveying and mapping technology, generalized information system (Geographic
Information System, GIS-Geographic Information System) use it is more and more common, not only specialty aviation, military field
There is application, also use very universal in popular field, such as the map software of various mobile devices.It is GIS that buffering area shows
A conventional function in system, expresses the degree of certain outside radiation effect of generalized information system key element.Key element includes point, line and face
Etc. geometry entity.The region of certain distance around the geometry entity, is exactly the buffering area of the geometry entity, it usually needs give
Certain color of this setting buffers is simultaneously shown.
In generalized information system in the market show composite buffering area be all original area simple superposition, prior art
Used in buffering area easily cause buffer information loss.For example：It is 50 meters that location A in generalized information system has a radius
Dot buffer zone B1 (the round region centered on A), using red expression, has the point buffering that another radius is 60 meters in B location
Area B2, B2 represented using black, and B1 and B2 have an overlapping region B3, and such overlapping region is only able to display as red or black
Color, if generalized information system first shows B1, then shows B2, and such B3 is shown as black as a part of B2, but it is used as B1 mono-
Partial information also just lost.
In order to solve the problems, such as that above-mentioned buffer information is lost, in conventional method, using generalized information system to each two buffering area
The judgement being superimposed all is made whether, and calculates overlap-add region (composite buffering area), then another kind of color is set to overlap-add region.
But adopt kind of a method, it usually needs expend larger cpu resource, it is less efficient so as to cause composite buffering area image to show.
The content of the invention
Based on this, the present invention provides a kind of composite buffering area method for displaying image and device, is prevented from buffer information and loses
Lose and improve the efficiency that composite buffering area image shows.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of composite buffering area method for displaying image, comprises the following steps：
When the instruction of display buffer image is received, the painting canvas with transparent channel is created；
By each buffering area Image Rendering on the painting canvas；
The transparency of pixel in each buffering area image in painting canvas is obtained, corresponding pixel is judged according to the transparency
Whether composite buffering area image is belonged to；
If so, the CLUT for then building according to the transparency and in advance is restained for corresponding each pixel, and
Show each pixel after restaining.
A kind of composite buffering area image display device, including：
Painting canvas creation module, for when the instruction of display buffer image is received, creating the painting canvas with transparent channel；
Drafting module, for by each buffering area Image Rendering in the painting canvas；
Judge module, for obtaining the transparency of pixel in each buffering area image in painting canvas, and according to the transparency
Judge whether corresponding pixel belongs to composite buffering area image；
Coloring and display module, for when the judged result of the judge module is to be, according to the transparency and in advance
The CLUT for first building is restained for corresponding each pixel, and shows each pixel after restaining.
By above scheme as can be seen that a kind of composite buffering area method for displaying image and device of the present invention, by each buffering
After area's Image Rendering is on the painting canvas, by the transparency for obtaining pixel in each buffering area image in painting canvas, it is only necessary to according to institute
State transparency and judge whether corresponding pixel belongs to composite buffering area image, if so, then according to the transparency and advance structure
The CLUT built is restained for the pixel of composite buffering area image, and the pixel to restaining shows.
The present invention is solved the problems, such as because composite buffering area image causes buffer information to lose in superposition, it is to avoid calculate superposition
The process in region, the pixel for drawing composite buffering area image is judged by the transparency to respective pixel point, with reference to described
After transparency and CLUT are restained to the pixel of composite buffering area image, then to restaining rear composite buffering area
Image shown, is lost so as to avoid information, reduces the occupancy to cpu resource, is improve composite buffering area image and is shown
The efficiency shown.
Description of the drawings
Fig. 1 is a kind of schematic flow sheet of composite buffering area method for displaying image of the invention；
Fig. 2 is a kind of structural representation of composite buffering area image display device of the invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Shown in Figure 1, a kind of composite buffering area method for displaying image is comprised the following steps：
Step S101, when the instruction of display buffer image is received, creates the painting canvas with transparent channel；Subsequently into
Step S102.It should be noted that painting canvas band transparent channel, thus can as needed in the painting canvas each pixel it is saturating
Lightness, such as in one of embodiment, the transparency of each pixel is zero in the painting canvas.Generally draw described slow on painting canvas
Before rushing area's image, the transparency of each pixel is identical in whole painting canvas image.Each pixel is saturating in the front painting canvas image of drafting
Lightness is differed with the transparency of each pixel in buffering area image.
If receiving the instruction of display buffer image for the first time, then also need to build a CLUT.Build one
Individual color array vecColor, array length is 256, and array index represents transparence information, the lightness information corresponding color
Predetermined color in the table of comparisons.For example：VecColor [50]=RGB (10,50,200), expression transparency is 50 corresponding colors
Be worth for RGB (10,50,200).Particularly, it should which vecColor [0]=- 1, vecColor [200]=- 1 is set, represent transparent
Spend the color value invalid (need not process) for 0 or 200.
As a width of W of the display picture of generalized information system, a height of H, when the instruction for wanting display buffer image is received；Instruction
Data can include summit, color Color (RGBA) and the buffer distance of each buffering area image.One is always had under normal circumstances
The transparency of fixed number amount buffering area image is all identical.Assume transparency A0=200.So can be by with identical transparency
Buffering area Image Rendering in same painting canvas.
Step S102, by each buffering area Image Rendering on the painting canvas；Subsequently into step S103.Such as described painting canvas
For a PNG images, its size can be identical with display picture.Generally need according to summit, the color for obtaining each buffering area image
It can be prior art that Color (RGBA) and buffer distance on buffering area Image Rendering and painting canvas, will draw specific drawing process,
Herein by it will not go into details.
Step S103, obtains the transparency of pixel in each buffering area image in painting canvas, and according to the transparency phase is judged
Whether the pixel answered belongs to composite buffering area image；If so, step S104 is then entered.Otherwise, the picture of corresponding buffering area image
Vegetarian refreshments is not overlapped, without the need for re-starting coloring.It should be noted that color of the described transparency for respective pixel point
Transparency, for example, the transparency can be the value that A components are got in RGBA.
As a preferable embodiment, in the acquisition painting canvas in each buffering area image the transparency of pixel mistake
Journey, specifically may comprise steps of：
Step S1031, to painting canvas graphical analysis is carried out, and coordinate system is set up on painting canvas；Subsequently into step S1032.
For example, painting canvas is carried out after graphical analysis, the result of analysis is：High W, H, the i.e. painting canvas of being respectively of the whole picture width of painting canvas has W*
H pixel composition, the transparency of painting canvas is zero.The horizontal vernier iw of painting canvas is set on the painting canvas：Numerical value from 0 to w-1, and
Longitudinal vernier ih of painting canvas：Numerical value is from 0 to h-1.
Step S1032, obtains the coordinate pixel of coordinate system；Subsequently into step S1033.For example, coordinate system is obtained
Ih rows, the image slices vegetarian refreshments pix of iw row.
Step S1033, extracts the transparency of each coordinate pixel, judge the transparency of each coordinate pixel whether with painting canvas
The transparence value of pixel is equal in image；If it is not, then so entering step S1034.For example, A values are isolated from pix, as
The transparency of the pix：A=alphaX；The value of A components is got from the RGBA of pix；If alphaX=0, the pixel
Point is not belonging to the buffering area image of painting canvas, and the otherwise pix belongs to for buffering area.It should be noted that extracted in this step
Coordinate pixel includes：The pixel of buffering area image is not belonging to, belongs to buffering area image but be not belonging to composite buffering area image
Pixel, and belong to buffering area image and still belong to the pixel in composite buffering area.
Step S1034, if the judged result of step S1033 is no, judges the coordinate pixel as buffering area image
Pixel, and obtain the transparency of corresponding coordinate pixel.It should be noted that the transparency for now obtaining is buffering area figure
The transparency of pixel as in.If so, the buffering area image that the pixel is not belonging in painting canvas is represented.
It is described to judge whether corresponding pixel belongs to compound slow according to the transparency as a preferable embodiment
The process of area's image is rushed, specifically be may comprise steps of：
Step S1035, by the front each buffering area image of the transparency of pixel in each buffering area image on painting canvas and drafting
The transparency of pixel is compared；Subsequently into step S1036.If pixel is transparent in the front each buffering area image of drafting
Spend for A0, after being plotted on painting canvas, by transparency A0 of pixel in corresponding buffering area image on painting canvas ' with draw before it is each
The transparency A0 size of pixel is compared in buffering area image.
Step S1036, judges whether the transparency of pixel in each buffering area image on painting canvas is sent out according to result of the comparison
Changing；If so, step S1037 is then entered.For example, the result for judging as in each buffering area image on painting canvas pixel it is transparent
Degree A0 ' is unequal with transparency A0 for drawing pixel in front each buffering area image, then explanation there occurs change, therefore on painting canvas
The pixel of corresponding buffering area image belongs to composite buffering area image.Otherwise, on the painting canvas corresponding buffering area image pixel
Simple buffering area image is only belonged to, superposition was not carried out, can carry out judging next pixel.
Step S1037, if the step S1036 judged result is for when being, corresponding pixel belongs in judgement painting canvas
Composite buffering area image.For example, the transparency of pixel is neither also not equal to A0 for 0 in composite buffering area image.
Step S104, if the judged result of step S103 is for when being, builds according to the transparency and in advance
CLUT is restained for corresponding pixel, and shows each pixel after restaining.For example according to described transparent
And control color table, find vecColor [A0 ']=RGB0 '；The color for arranging the pix is RGB0 ', and transparency is A0 '.We
By borrowing same pixel after superposition, transparency can change case, so as to find and detect that whether the pixel is
Composite buffering area image.Then according to the transparency color combining table of comparisons after change, to each pixel in composite buffering area image
Point is restained, and the region representation restained is the information of buffering superposition.
It should be noted that all composite buffering areas that under normal circumstances can be in by same painting canvas restain and finish
Afterwards, then by all buffering area images on whole painting canvas together shown.For example, can be by all buffering areas on PNG images
Image Rendering on GIS interfaces, because each pixel of composite buffering area image has been restained, so composite buffering area figure
As can accurately show, prevent information from losing.
As a preferable embodiment, can include when the painting canvas with transparent channel is created：By the painting canvas image
The transparency of middle pixel is set to zero.
As a preferable embodiment, before by each buffering area Image Rendering on the painting canvas, can include with
Lower step：
The pixel of each buffering area image before drawing is obtained, and extracts the transparency for drawing front each pixel.
As a preferable embodiment, before by each buffering area Image Rendering on the painting canvas, can also include
Following steps：
Each buffer area is classified according to the transparency size of pixel in each buffering area image before drawing.
Corresponding with a kind of above-mentioned composite buffering area method for displaying image, the present invention also provides a kind of composite buffering area image
Display device, as shown in Fig. 2 including：
Painting canvas creation module 101, for when the instruction of display buffer image is received, creating the picture with transparent channel
Cloth；
Drafting module 102, for by each buffering area Image Rendering in the painting canvas；
Judge module 103, for obtaining the transparency of pixel in each buffering area image in painting canvas, and according to described transparent
Degree judges whether corresponding pixel belongs to composite buffering area image；
Coloring and display module 104, for when the judged result of the judge module is to be, according to the transparency and
The CLUT for building in advance is restained for corresponding each pixel, and shows each pixel after restaining.
Used as a preferable embodiment, the judge module specifically can include：
Establishment of coordinate system module, for carrying out setting up coordinate system in graphical analysis, and painting canvas to painting canvas；
Coordinate pixel acquisition module, for obtaining the coordinate pixel of coordinate system；
First judge module, for obtaining the transparency of each coordinate pixel, judging the transparency of each coordinate pixel is
The transparence value of pixel is equal in the no image with painting canvas；
First determination module, for when the judged result of first judge module is no, judging the coordinate pixel
For the pixel of buffering area image, and obtain the transparency of corresponding coordinate pixel.
Used as a preferable embodiment, a kind of composite buffering area image display device of the present invention can also include：
Transparency extraction module, for obtaining the pixel of front each buffering area image is drawn, and extracts each pixel before drafting
The transparency of point.
Used as a preferable embodiment, the judge module specifically can also include：
Comparison module, for by the transparency of pixel in each buffering area image on painting canvas with draw before each buffering area image
The transparency of middle pixel is compared；
Second judge module, for judging the transparency of pixel in each buffering area image on painting canvas according to result of the comparison
Whether change；
Second determination module, with when the judged result of second judge module is to be, then judges in painting canvas accordingly
Pixel belongs to composite buffering area image.
A kind of other technical characteristics of above-mentioned composite buffering area image display device and a kind of composite buffering area of the invention
Method for displaying image is identical, and herein it will not go into details.
By above scheme as can be seen that a kind of composite buffering area method for displaying image and device of the present invention, each will delay
After area's Image Rendering is rushed on the painting canvas, by the transparency for obtaining pixel in each buffering area image in painting canvas, it is only necessary to according to
The transparency judges whether corresponding pixel belongs to composite buffering area image, if so, then according to the transparency and in advance
The CLUT of structure is restained for the pixel of composite buffering area image, and the pixel to restaining shows
Show.The present invention is solved the problems, such as because composite buffering area image causes buffer information to lose in superposition, it is to avoid calculated
The process of overlap-add region, the pixel for drawing composite buffering area image is judged by the transparency to respective pixel point, is being combined
After the transparency and CLUT are restained to the pixel of composite buffering area image, then to restaining after be combined it is slow
Rush area's image to be shown, lose so as to avoid information, reduce the occupancy to cpu resource, improve composite buffering area figure
Efficiency as shown in.
The description of specific distinct unless the context otherwise, the element and component in the present invention, quantity both can be with single shape
Formula is present, it is also possible in the form of multiple, and the present invention is not defined to this.Although the step in the present invention is entered with label
Arrangement is gone, but is not used to limit the precedence of step, unless expressly stated the order of step or holding for certain step
Row is needed based on other steps, and the relative rank of otherwise step is adjustable.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (9)
1. a kind of composite buffering area method for displaying image, it is characterised in that comprise the following steps：
When the instruction of display buffer image is received, the painting canvas with transparent channel is created；
By each buffering area Image Rendering on the painting canvas；
The transparency of pixel in each buffering area image in painting canvas is obtained, whether corresponding pixel is judged according to the transparency
Belong to composite buffering area image；
If so, the CLUT for then building according to the transparency and in advance is restained for corresponding pixel, and is shown
Each pixel after restaining；
In the acquisition painting canvas in each buffering area image the transparency of pixel process, comprise the following steps：
Graphical analysis is carried out to painting canvas, and coordinate system is set up on painting canvas；
Obtain the coordinate pixel of coordinate system；
Extract the transparency of each coordinate pixel, judge the transparency of each coordinate pixel whether with pixel in painting canvas image
Transparency is equal；
If it is not, then judging pixel of the coordinate pixel as buffering area image, and obtain the transparency of corresponding coordinate pixel.
2. composite buffering area according to claim 1 method for displaying image, it is characterised in that creating with transparent channel
During painting canvas, comprise the following steps：
The transparency of pixel in the painting canvas image is set to into zero.
3. composite buffering area according to claim 1 and 2 method for displaying image, it is characterised in that by each buffering area figure
It is further comprising the steps of before as being drawn on the painting canvas：
The pixel of each buffering area image before drawing is obtained, and extracts the transparency for drawing front each pixel.
4. composite buffering area according to claim 3 method for displaying image, it is characterised in that judged according to the transparency
The process whether corresponding pixel belongs to composite buffering area image is comprised the following steps：
By the transparency of pixel in each buffering area image on painting canvas and the transparency for drawing pixel in front each buffering area image
It is compared；
Judge whether the transparency of pixel in each buffering area image on painting canvas changes according to result of the comparison；
If so, then judge that corresponding pixel belongs to composite buffering area image in painting canvas.
5. composite buffering area according to claim 3 method for displaying image, it is characterised in that painting each buffering area image
It is further comprising the steps of before being formed on the painting canvas：
Each buffer area is classified according to the transparency size of pixel in each buffering area image before drawing.
6. a kind of composite buffering area image display device, it is characterised in that include：
Painting canvas creation module, for when the instruction of display buffer image is received, creating the painting canvas with transparent channel；
Drafting module, for by each buffering area Image Rendering in the painting canvas；
Judge module, for obtaining the transparency of pixel in each buffering area image in painting canvas, and judges according to the transparency
Whether corresponding pixel belongs to composite buffering area image；
Coloring and display module, for when the judged result of the judge module is to be, according to the transparency and advance structure
The CLUT built is restained for corresponding each pixel, and shows each pixel after restaining；
Wherein, the mode of the transparency of pixel includes in each buffering area image in the judge module acquisition painting canvas：
Graphical analysis is carried out to painting canvas, and coordinate system is set up on painting canvas；
Obtain the coordinate pixel of coordinate system；
Extract the transparency of each coordinate pixel, judge the transparency of each coordinate pixel whether with pixel in painting canvas image
Transparency is equal；
If it is not, then judging pixel of the coordinate pixel as buffering area image, and obtain the transparency of corresponding coordinate pixel.
7. composite buffering area according to claim 6 image display device, it is characterised in that the judge module includes：
Establishment of coordinate system module, for carrying out setting up coordinate system in graphical analysis, and painting canvas to painting canvas；
Coordinate pixel acquisition module, for obtaining the coordinate pixel of coordinate system；
First judge module, for obtaining the transparency of each coordinate pixel, judge the transparency of each coordinate pixel whether with
The transparence value of pixel is equal in painting canvas image；
First determination module, for when the judged result of first judge module is no, judging the coordinate pixel as slow
The pixel of area's image is rushed, and obtains the transparency of corresponding coordinate pixel.
8. the composite buffering area image display device according to claim 6 or 7, it is characterised in that also include：
Transparency extraction module, for obtaining the pixel of front each buffering area image is drawn, and extracts each pixel before drafting
Transparency.
9. composite buffering area according to claim 8 image display device, it is characterised in that the judge module includes：
Comparison module, for by the transparency of pixel in each buffering area image on painting canvas with draw before picture in each buffering area image
The transparency of vegetarian refreshments is compared；
Second judge module, for pixel in each buffering area image on painting canvas is judged according to result of the comparison transparency whether
Change；
Second determination module, with when the judged result of second judge module is to be, judges corresponding pixel in painting canvas
Belong to composite buffering area image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299168.7A CN104077100B (en) | 2014-06-27 | 2014-06-27 | Composite buffer area image display method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299168.7A CN104077100B (en) | 2014-06-27 | 2014-06-27 | Composite buffer area image display method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104077100A CN104077100A (en) | 2014-10-01 |
| CN104077100B true CN104077100B (en) | 2017-04-12 |
Family
ID=51598379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410299168.7A Expired - Fee Related CN104077100B (en) | 2014-06-27 | 2014-06-27 | Composite buffer area image display method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104077100B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327564B (en) * | 2016-08-25 | 2019-01-11 | 河南理工大学 | A kind of image processing method and device |
| CN106909283B (en) * | 2016-11-01 | 2020-03-06 | 广州视源电子科技股份有限公司 | Canvas display control method and system |
| CN108573008B (en) * | 2017-06-15 | 2022-03-04 | 北京金山云网络技术有限公司 | Method and device for displaying mass points in electronic map |
| CN109803163B (en) * | 2017-11-16 | 2021-07-09 | 腾讯科技（深圳）有限公司 | Image display method and device and storage medium |
| CN109192054B (en) * | 2018-07-27 | 2020-04-28 | 阿里巴巴集团控股有限公司 | Data processing method and device for map region merging |
| CN109538189B (en) * | 2018-09-27 | 2022-05-20 | 核工业北京地质研究院 | Method for displaying image in real time in logging data acquisition process based on ultrasonic imaging |
| CN114419193B (en) * | 2022-01-24 | 2023-03-10 | 北京思明启创科技有限公司 | Image drawing method, image drawing device, electronic equipment and computer-readable storage medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789030A (en) * | 2010-02-03 | 2010-07-28 | 南京师范大学 | Virtual geographical environment (VGE) symbolic model and map symbol sharing system and method based on same |
-
2014
- 2014-06-27 CN CN201410299168.7A patent/CN104077100B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789030A (en) * | 2010-02-03 | 2010-07-28 | 南京师范大学 | Virtual geographical environment (VGE) symbolic model and map symbol sharing system and method based on same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104077100A (en) | 2014-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104077100B (en) | Composite buffer area image display method and device | |
| CN103632359B (en) | A kind of video super-resolution disposal route | |
| US9898857B2 (en) | Blending between street view and earth view | |
| CN101901350B (en) | Characteristic vector-based static gesture recognition method | |
| US8046167B2 (en) | Navigation with contextual color, texture, and structure cues | |
| CN101727182B (en) | Method and system for visualizing real hand of participant in helmet-type virtual reality environment | |
| US20210366130A1 (en) | Trajectory data processing method and device, and storage medium | |
| CN102411613B (en) | Optimized displaying method for dimordinate on network map | |
| CN105677899B (en) | A kind of enhanced vector numerical map production method comprising road direction of travel | |
| CN104537625A (en) | Bayer color image interpolation method based on direction flag bits | |
| CN105005970A (en) | Augmented reality implementation method and apparatus | |
| CN101908216B (en) | Method and device for realizing vector fonts | |
| CN104182949A (en) | Image inking and fusing method and system based on histogram feature point registration | |
| US20120250989A1 (en) | Electronic apparatus and character string recognizing method | |
| CN105096283A (en) | Panoramic image acquisition method and device | |
| CN103824223A (en) | Crop yield remote sensing estimation method based on MapReduce and neural network | |
| CN103020250A (en) | Map display method and device of geographic information system (GIS) | |
| CN102509097A (en) | Method and device for image segmentation | |
| CN104463138A (en) | Text positioning method and system based on visual structure attribute | |
| CN104021555B (en) | Image cutting framing method based on virtual printing technology | |
| CN106097313A (en) | Image partition method and device | |
| CN109472864A (en) | A kind of generation method and device of elevation tile map | |
| US20150302612A1 (en) | Image-rendering device, image-rendering method, and navigation device | |
| EP1783725A2 (en) | Technique for improving the readability of graphics on a display | |
| CN105573752B (en) | A kind of MiniGUI window system support method based on OpenGL |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Kezhu road high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 233 510670 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510670 Guangdong city of Guangzhou province Kezhu Guangzhou high tech Industrial Development Zone, Road No. 233 Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20200627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |