CN101465959A - Method for generating and rapidly browsing image of hand-hold equipment - Google Patents
Method for generating and rapidly browsing image of hand-hold equipment Download PDFInfo
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- CN101465959A CN101465959A CNA2007101727723A CN200710172772A CN101465959A CN 101465959 A CN101465959 A CN 101465959A CN A2007101727723 A CNA2007101727723 A CN A2007101727723A CN 200710172772 A CN200710172772 A CN 200710172772A CN 101465959 A CN101465959 A CN 101465959A
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Abstract
The invention provides a generating method of an image capable of being quickly viewed on hand-held equipment. The method comprises the following steps: 1) the original image is obtained by a videography device; 2) the obtained image is coded and a preview image is generated at the same time; 3) the preview image is integrated and stored in a file, and a flag is added in the file. A quick viewing method of the image on the hand-held equipment comprises: 1) an image file is read and whether a flag byte exists in the image file is judged; 2) according to the existence/inexistence of the flag byte, whether to directly read the preview image data from the specific position is judged; 3) if the flag byte exists, the preview image data is read and is directly displayed on a screen. By adopting the method, when viewing the image, only the corresponding position is needed to be found and the data is directly sent onto the screen of the hand-held equipment without decoding, converting formats and changing the size, thus greatly increasing the viewing speed.
Description
Technical field
The present invention relates to a kind of fast browsing method of portable equipment epigraph, but at first need to generate the image of fast browsing, can realize browsing fast this image afterwards on the mobile phone screen.
Background technology
Now increasing portable equipment all supports multimedia to browse, but increasing with respect to picture size, and the kernel speed of service of portable equipment can't be compared with PC, to browse time that a photo need decode big and increase along with the change of size at every turn, therefore influenced the surfing of image greatly.Therefore no matter and the screen of portable equipment is generally less, and the image of much sizes when showing, all can only show that with the size of this device screen size whole the image that all go to decode when therefore at every turn browsing very wasted resource and time on this equipment.
Summary of the invention
The purpose of this invention is to provide a kind of generation of portable equipment epigraph and the method for fast browsing, the present invention is when generating image file or when browsing this image first, just generate the view data of specific size and form, direct display image on screen when conveniently browsing.
The objective of the invention is to be achieved through the following technical solutions:
But the generation method of the image of fast browsing on a kind of portable equipment, its characteristics are that it may further comprise the steps:
1) utilize camera head to obtain original image;
2) this institute is obtained image encoding and also generate preview image simultaneously;
3) this preview image is integrated and deposited in file, in this document, add sign.
Wherein, above-mentioned steps 2) in this institute is obtained picture decoding for being fit to the view data of this portable equipment screen size and form.
Wherein, above-mentioned steps 3) write flag byte at this document end in, this flag byte represents to comprise in this image special view data for this portable equipment demonstration.
A kind of fast browsing method of portable equipment epigraph, its characteristics are that it comprises:
1) reading images file is judged in this image file to have or not flag byte;
2) according to the having or not of this flag byte, judge whether directly to go assigned address to read the preview image data;
3) if this flag byte exists, read the preview image data, data directly are presented on the screen.
Wherein, if this flag byte does not exist, then before directly being presented at data on the screen, also comprise the steps:
1) decoded picture is with size and the form of this image modification to suitable screen;
2) deposit this preview image in the original image ad-hoc location;
3) this image integration is good and deposit file in, add sign hereof.
Wherein, write flag byte at this document end, this flag byte represents to comprise in this image the view data that shows for this portable equipment specially.
Positive progressive effect of the present invention is: only need find the relevant position when browsing, directly these data be delivered on the screen of portable equipment, need not decode, without format conversion, without transform size, improve the speed of browsing greatly.
Description of drawings
Fig. 1 is in the preferred embodiment of the present invention, but the flow chart of the generation method of the image of fast browsing on the portable equipment.
Fig. 2 is in the preferred embodiment of the present invention, the flow chart of the fast browsing method of portable equipment epigraph.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
But one, the generation method of the image of fast browsing on the portable equipment
As shown in Figure 1, but each step in the generation method of the image of this fast browsing is illustrated particularly, and is assisted with block diagram form.
On the general portable equipment equipment camera (camera) that obtains image is arranged all.When obtaining image with camera, normal flow is to utilize camera to obtain initial data, then coded image data is become the jpg form, exists in the file system.Among this embodiment of the present invention for the needs of fast browsing, in cataloged procedure, added a step, in advance with the view data of picture decoding to suitable this device screen size and form, then it is deposited in the image file, and write flag byte in end of file, represent that this image has special view data for this equipment demonstration.
Two, the fast browsing method of portable equipment epigraph
Be illustrated in figure 2 as the flow chart of the fast browsing method of portable equipment epigraph.
The present invention can improve picture browsing speed greatly, and the cost of being paid just increases few data in image file.If no matter when local image (i.e. the image that is generated by this handheld device self) is browsed, all be extremely fast.If the image of uploading (being the image that non-this handheld device self generates), speed can be slow slightly when then browsing except the first time, later on can both fast browsing.
Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make numerous variations or modification to these execution modes.Therefore, protection scope of the present invention is limited by appended claims.
Claims (6)
- But 1, the generation method of the image of fast browsing on a kind of portable equipment is characterized in that it may further comprise the steps:1) utilize camera head to obtain original image;2) this institute is obtained image encoding and also generate preview image simultaneously;3) this preview image is integrated and deposited in file, in this document, add sign.
- 2, but the generation method of the image of fast browsing on the portable equipment according to claim 1 is characterized in that this step 2) in this institute is obtained picture decoding for being fit to the view data of this portable equipment screen size and form.
- But 3, the generation method of the image of fast browsing on the portable equipment according to claim 2, it is characterized in that, write flag byte at this document end in this step 3), this flag byte represents to comprise in this image the view data that shows for this portable equipment specially.
- 4, a kind of fast browsing method of portable equipment epigraph is characterized in that, it comprises:1) reading images file is judged in this image file to have or not flag byte;2) according to the having or not of this flag byte, judge whether directly to go assigned address to read the preview image data;3) if this flag byte exists, read the preview image data, data directly are presented on the screen.
- 5, the fast browsing method of portable equipment epigraph according to claim 4 is characterized in that, if this flag byte does not exist, then also comprises the steps: before directly being presented at data on the screen1) decoded picture is with size and the form of this image modification to suitable screen;2) deposit this preview image in the original image ad-hoc location;3) this image integration is good and deposit file in, add sign hereof.
- 6, the fast browsing method of portable equipment epigraph according to claim 5 is characterized in that, writes flag byte at this document end, and this flag byte represents to comprise in this image the view data that shows for this portable equipment specially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101727723A CN101465959A (en) | 2007-12-21 | 2007-12-21 | Method for generating and rapidly browsing image of hand-hold equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101727723A CN101465959A (en) | 2007-12-21 | 2007-12-21 | Method for generating and rapidly browsing image of hand-hold equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101465959A true CN101465959A (en) | 2009-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101727723A Pending CN101465959A (en) | 2007-12-21 | 2007-12-21 | Method for generating and rapidly browsing image of hand-hold equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101465959A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063444A (en) * | 2009-11-13 | 2011-05-18 | 新奥特（北京）视频技术有限公司 | Method and device for previewing file contents |
| CN105608177A (en) * | 2015-12-18 | 2016-05-25 | 魅族科技（中国）有限公司 | Picture processing method and apparatus |
| CN109640093A (en) * | 2017-10-09 | 2019-04-16 | 武汉斗鱼网络科技有限公司 | Picture decoding method and device in a kind of iOS |
-
2007
- 2007-12-21 CN CNA2007101727723A patent/CN101465959A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063444A (en) * | 2009-11-13 | 2011-05-18 | 新奥特（北京）视频技术有限公司 | Method and device for previewing file contents |
| CN105608177A (en) * | 2015-12-18 | 2016-05-25 | 魅族科技（中国）有限公司 | Picture processing method and apparatus |
| CN109640093A (en) * | 2017-10-09 | 2019-04-16 | 武汉斗鱼网络科技有限公司 | Picture decoding method and device in a kind of iOS |
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Application publication date: 20090624 |