CN104933184A - Picture output method and device - Google Patents
Picture output method and device Download PDFInfo
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- CN104933184A CN104933184A CN201510386513.5A CN201510386513A CN104933184A CN 104933184 A CN104933184 A CN 104933184A CN 201510386513 A CN201510386513 A CN 201510386513A CN 104933184 A CN104933184 A CN 104933184A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
- G06F16/54—Browsing; Visualisation therefor
Abstract
The invention discloses a picture output method and device. The picture output method comprises the steps of judging whether target thumbnail data corresponding to target picture data exist or not, generating the target thumbnail data according to the target picture data if the target thumbnail data corresponding to the target picture data do not exist, and outputting the target thumbnail data. After a picture browsing instruction is obtained, if no target thumbnail data corresponding to target picture data exists, a target thumbnail corresponding to the target picture data are generated and output according to the target picture data. In the prior art, a black color block is used as a thumbnail when no target thumbnail data exists, and the browsing effect is poor. Compared with the prior art, a target thumbnail can be actively generated when no target thumbnail exists, so that the target thumbnail accurately represents a target picture, the browsing effect is optimized, and user experience is improved.
Description
Technical field
The embodiment of the present invention relates to image processing techniques, particularly relates to method and the device of the output of a kind of picture.
Background technology
Along with the raising of people's living standard, people more and more take pictures by camera or with the electronic equipment such as smart mobile phone of camera function.The photo that after taking pictures, user can obtain taking pictures is browsed.
When browsing pictures, electronic equipment reads treats the thumbnail (thumbnail) of browsing pictures, and shows according to predetermined arrangement form within display screen, as shown in Figure 1, and every capable display 4 hypertonic sketch map in browsing area, totally 5 row.After user clicks certain hypertonic sketch map, electronic equipment show this thumbnail corresponding treat browsing pictures.
But if treat that browsing pictures does not have thumbnail, then electronic equipment treats the thumbnail of browsing pictures using filled black block as this.Now, cannot be shown treat browsing pictures by the mode of thumbnail, and cause this to treat the illusion that browsing pictures does not exist or damaged to user, result of browse is not good.
Summary of the invention
The invention provides method and the device of the output of a kind of picture, to realize showing effective thumbnail, improve result of browse.
First aspect, embodiments provides a kind of method that picture exports, comprising:
Obtain picture browsing instruction;
Judge whether to there is the target thumbnail data corresponding with Target Photo data;
If there is no corresponding with described Target Photo data described target thumbnail data, then target thumbnail data according to described Target Photo data genaration;
Export described target thumbnail data.
Second aspect, the embodiment of the present invention additionally provides the device that a kind of picture exports, and comprising:
Acquiring unit, for obtaining picture browsing instruction;
, there is the target thumbnail data corresponding with Target Photo data for judging whether in judging unit;
Generation unit, when there is not the described target thumbnail data corresponding with described Target Photo data for drawing when described judging unit, target thumbnail data according to described Target Photo data genaration;
Output unit, for exporting the described target thumbnail data that described generation unit generates.
The present invention is after getting picture browsing instruction, if Target Photo data do not have corresponding target thumbnail data, then also exports target thumbnail corresponding with it according to Target Photo data genaration.With prior art, but when there is no target thumbnail data, black color lump is used to serve as thumbnail, result of browse is not good to be compared, the present invention when not having target thumbnail, can initiatively generate target thumbnail, makes target thumbnail accurately can represent Target Photo, optimize result of browse, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is prior art thumbnail display mode;
Fig. 2 is the process flow diagram of the method that a picture in the embodiment of the present invention one exports;
Fig. 3 is the process flow diagram of the method that first picture in the embodiment of the present invention two exports;
Fig. 4 is the process flow diagram of the method that second picture in the embodiment of the present invention two exports;
Fig. 5 is the process flow diagram of the method that the 3rd picture in the embodiment of the present invention two exports;
Fig. 6 is the process flow diagram of the method that the 4th picture in the embodiment of the present invention two exports;
Fig. 7 is the process flow diagram of the method that the 5th picture in the embodiment of the present invention two exports;
Fig. 8 is the structural representation of the device that first picture in the embodiment of the present invention three exports;
Fig. 9 is the structural representation of the device that second picture in the embodiment of the present invention three exports;
Figure 10 is the structural representation of the device that the 3rd picture in the embodiment of the present invention three exports.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
The process flow diagram of the method that the picture that Fig. 2 provides for the embodiment of the present invention one exports, the present embodiment is applicable to the situation by thumbnail mode browsing pictures, the method can be performed by the electronic equipment exporting thumbnail, this electronic equipment is as smart mobile phone, camera, PC, panel computer etc., and the method specifically comprises the steps:
Step 100, acquisition picture browsing instruction.
Wherein, picture browsing instruction is used for browsing Target Photo.The mode of several triggering picture browsing instructions is provided below:
1, after user takes pictures, can browse clapping picture in camera applications.When for by camera applications to clap picture browse time, trigger picture browsing instructions.
2, when user starts photograph album application, picture browsing instructions is triggered.
Step 110, judge whether to there is the target thumbnail data corresponding with Target Photo data.
If there is no, then step 120 is performed.If existed, then perform step 130, export target thumbnail data.
In order to save storage space, after Target Photo and target thumbnail corresponding with it carry out compressed encoding, preserve with the form of Target Photo data and target thumbnail data.As a kind of implementation, Joint Photographic Experts Group (joint image expert group is called for short JPEG) image compression algorithm is used to carry out compressed encoding.
Step 120, if there is no corresponding with described Target Photo data described target thumbnail data, then target thumbnail data according to described Target Photo data genaration.
When generating target thumbnail, first by Target Photo data being decompressed, obtain Target Photo; Then, Target Photo is reduced; Finally, the Target Photo after reducing is encoded, obtain target thumbnail data.
Step 130, export described target thumbnail data.
During output, target thumbnail data can be decoded, show decoded target thumbnail.
The technical scheme that the present embodiment provides is after getting picture browsing instruction, if Target Photo data do not have corresponding target thumbnail data, then also exports target thumbnail corresponding with it according to Target Photo data genaration.With prior art, but when there is no target thumbnail data, black color lump is used to serve as thumbnail, result of browse is not good to be compared, when there is no target thumbnail, can initiatively generating target thumbnail, making target thumbnail accurately can represent Target Photo, optimize result of browse, improve Consumer's Experience.
Embodiment two
When according to Target Photo data genaration target thumbnail data, if adopt software decode mode to decode, may occur causing because Target Photo is excessive target thumbnail to delay to generate, and then postpone the display of thumbnail, the stand-by period of adding users.
In order to solve the problems of the technologies described above, embodiments provide a kind of method that picture exports, as illustrating embodiment one, as shown in Figure 3, in step 120, target thumbnail data according to described Target Photo data genaration, comprising:
Step 121, judge whether the data volume of Target Photo data is more than or equal to preset data amount.
As a kind of implementation, preset data amount can be 200kb.Pre-stored data amount can also be 100kb, 300kb etc.The size of preset data amount and the software decode velocity correlation of electronic equipment, software decode speed is faster, and preset data amount is larger.Software decode speed configures relevant to the system resource of electronic equipment, and system resource configuration is higher, and software decode speed is faster.
If the data volume of step 122 Target Photo data is more than or equal to preset data amount, then hardware convergent-divergent is carried out to Target Photo data, obtain hardware scaled data.
Wherein, hardware convergent-divergent is for reducing the data volume of Target Photo data.If the data volume of Target Photo is more than or equal to preset data amount, then now the size of Target Photo is greater than thumbnail dimensions, needs to reduce Target Photo, and the size of its data volume size and thumbnail is matched.Because the hardware convergent-divergent time used is less than the software convergent-divergent time used, hardware scalable manner is used to carry out convergent-divergent to Target Photo data.Hardware convergent-divergent is used for Target Photo decoding data, and carries out convergent-divergent to decoded Target Photo, then generates hardware scaled data.
Step 123, hardware scaled data is defined as target thumbnail data.
The technical scheme that the present embodiment provides, when the data volume of Target Photo data is more than or equal to preset data amount, reduces the data volume of Target Photo data by hardware convergent-divergent, reduce the stand-by period of user, improves browse efficiency.
Further, the embodiment of the present invention additionally provides a kind of method that picture exports, and as further illustrating above-described embodiment, as shown in Figure 4, in step 120, target thumbnail data according to described Target Photo data genaration, also comprises:
If the data volume of step 124 Target Photo data is less than preset data amount, then Target Photo data are defined as target thumbnail data.
When the data volume of Target Photo data is less than preset data amount, Target Photo data can directly as target thumbnail data, without the need to carrying out convergent-divergent.
The technical scheme that the present embodiment provides, when the data volume can working as Target Photo data is less than preset data amount, saves hardware-compressed process, Target Photo data is defined as target thumbnail data.Realize, under the prerequisite not affecting the output of target thumbnail, saving system resource, improving browse efficiency further.
The embodiment of the present invention additionally provides a kind of method that picture exports, as further illustrating above-described embodiment, as shown in Figure 5, in step 122, hardware convergent-divergent is carried out to described Target Photo data, obtains hardware scaled data, implement by following manner:
Step 201, hardware decode is carried out to Target Photo data, obtain hardware decode picture.
Hardware decode can use the hardware decode scheme provided in prior art, does not repeat herein.
Step 202, hardware decode picture is carried out reduction operation.
After carrying out hardware decode, hardware decode picture can be obtained.When carrying out reduction operation to hardware decode picture, if in step 201 use hardware decode scheme support multiple fixing ratio reduce mode, then from multiple fixed proportion, select a kind of scalable manner in step 202.Such as: provide the circuit of hardware decode scheme to support the scaling of 1/2,1/3,1/4, then, when step 202 uses and provides the circuit of hardware decode scheme to reduce, scale down is any one in 1/2,1/3,1/4.Picture after reducing is for representing target thumbnail.
Step 203, the hardware decode picture after reducing to be encoded, obtain hardware scaled data.
When encoding to target thumbnail, the coded system of employing is corresponding with decoding process.Optionally, JPEG is adopted) image compression algorithm carries out compression coding mode and encodes.
The technical scheme that the present embodiment provides, can compress Target Photo data in hardware decode mode, because hardware decode and hardware reduce mode, can the decoding of realize target image data fast rapid drop Target Photo, therefore can accelerate the display speed of thumbnail, improve Consumer's Experience.
The embodiment of the present invention additionally provides a kind of method that picture exports, and as further illustrating above-described embodiment, as shown in Figure 6, step 130, output target thumbnail data, comprising:
Step 130-a, software decode is carried out to target thumbnail data, obtain target thumbnail.
Software decode realizes by the related algorithm provided in prior art, does not repeat herein.
Step 130-b, according to pre-set dimension, target thumbnail to be adjusted.
Pre-set dimension is the pre-set dimension of thumbnail, as 1cm*1cm.If size and the pre-set dimension of target thumbnail are inconsistent, then target thumbnail is adjusted, make its size consistent with pre-set dimension.Adjustment mode can be, but not limited in following manner any one: from target thumbnail, intercept the image of pre-set dimension, target thumbnail stretched as the proportional size of pre-set dimension and target thumbnail is contracted to pre-set dimension.
Target thumbnail after step 130-c, display adjustment.
The pre-set dimension that the size of the target thumbnail after adjustment uses when showing thumbnail with electronic equipment is consistent.According to default arrangement mode display thumbnail in thumbnail viewing area.Default arrangement mode can refer to shown in Fig. 1, and thumbnail viewing area shows 5 row thumbnails altogether, often capable display 4 width thumbnail.
The technical scheme that the present embodiment provides, can characterize target thumbnail and export, make the thumbnail of output have identical size, easy-to-read, improves browse efficiency.
Below by a use scenes, above-described embodiment is further described, as shown in Figure 7, comprises:
Step 210, when getting picture browsing instruction, determining Target Photo data, performing step 220.
When getting picture browsing instruction, obtain in order reading one successively and treat browsing pictures, and be defined as Target Photo, obtain the Target Photo data that Target Photo is corresponding, Target Photo data are the Target Photo through coding.
Step 220, judge whether to there is the target thumbnail data corresponding with Target Photo data.If existed, perform 260, otherwise perform 230.
Step 230, judge whether the data volume of Target Photo data is more than or equal to preset data amount.If so, then perform step 240, otherwise perform 250.
Step 240, hardware decode is carried out to Target Photo data, and reduction operation is carried out to the hardware decode picture after hardware decode, the hardware decode picture after reducing is encoded, obtains target thumbnail data, perform step 260.
If the data volume of step 250 Target Photo data is less than preset data amount, then Target Photo data are defined as target thumbnail data, perform step 260
Step 260, carry out software decode to target thumbnail data, obtain target thumbnail and adjust target thumbnail according to pre-set dimension, the target thumbnail after display adjustment, performs step 270
Step 270, judge whether not show in addition treat browsing pictures, if had, return and perform step 220, otherwise terminate.
Embodiment three
Embodiments provide the device that a kind of picture exports, shown device is arranged in electronic equipment, for realizing said method, as shown in Figure 8, comprising:
Acquiring unit 11, for obtaining picture browsing instruction, described picture browsing instruction is used for browsing Target Photo.
, there is the target thumbnail data corresponding with Target Photo data for judging whether in judging unit 12.
Generation unit 13, when there is not the described target thumbnail data corresponding with described Target Photo data for drawing when described judging unit 12, target thumbnail data according to described Target Photo data genaration.
Output unit 14, for exporting the described target thumbnail data that described generation unit 13 generates.
Further, as shown in Figure 9, described generation unit 13, comprising:
Hardware convergent-divergent subelement 131, for when the data volume of described Target Photo data is more than or equal to preset data amount, carry out hardware convergent-divergent to described Target Photo data, obtain hardware scaled data, described hardware convergent-divergent is for reducing the data volume of described Target Photo data.
Determine subelement 132, for described hardware scaled data is defined as described target thumbnail data.
Further, described determine subelement 132 also for:
When the data volume of described Target Photo data is less than described preset data amount, described Target Photo data are defined as described target thumbnail data.
Further, described hardware convergent-divergent subelement 131, for:
Hardware decode is carried out to described Target Photo data, obtains hardware decode picture.
Described hardware decode picture is carried out reduction operation.
Hardware decode picture after reducing is encoded, obtains described hardware scaled data.
Further, as shown in Figure 10, described output unit 14, comprising:
Software decode subelement 141, for carrying out software decode to described target thumbnail data, obtains target thumbnail.
Adjustment subelement 142, for adjusting the described target thumbnail that described software decode subelement 141 obtains according to pre-set dimension.
Display subelement 143, for showing the target thumbnail after the adjustment of described adjustment subelement 142.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (10)
1. a method for picture output, is characterized in that, comprising:
Obtain picture browsing instruction, picture browsing instruction is used for browsing Target Photo;
Judge whether to there is the target thumbnail data corresponding with described Target Photo data;
If there is no corresponding with described Target Photo data described target thumbnail data, then target thumbnail data according to described Target Photo data genaration;
Export described target thumbnail data.
2. the method that exports of picture according to claim 1, is characterized in that, described according to described Target Photo data genaration target thumbnail data, comprising:
If the data volume of described Target Photo data is more than or equal to preset data amount, then carries out hardware convergent-divergent to described Target Photo data, obtain hardware scaled data, described hardware convergent-divergent is for reducing the data volume of described Target Photo data;
Described hardware scaled data is defined as described target thumbnail data.
3. the method that exports of picture according to claim 2, is characterized in that, described according to described Target Photo data genaration target thumbnail data, also comprise:
If the data volume of described Target Photo data is less than described preset data amount, then described Target Photo data are defined as described target thumbnail data.
4. the method that exports of picture according to claim 2, is characterized in that, describedly carries out hardware convergent-divergent to described Target Photo data, obtains hardware scaled data, comprising:
Hardware decode is carried out to described Target Photo data, obtains hardware decode picture;
Described hardware decode picture is carried out reduction operation;
Hardware decode picture after reducing is encoded, obtains described hardware scaled data.
5. the method for picture output according to any one of claim 1 to 4, it is characterized in that, the described target thumbnail data of described output, comprising:
Software decode is carried out to described target thumbnail data, obtains target thumbnail;
According to pre-set dimension, described target thumbnail is adjusted;
Target thumbnail after display adjustment.
6. a device for picture output, is characterized in that, comprising:
Acquiring unit, for obtaining picture browsing instruction, described picture browsing instruction is used for browsing Target Photo;
, there is the target thumbnail data corresponding with described Target Photo data for judging whether in judging unit;
Generation unit, when there is not the described target thumbnail data corresponding with described Target Photo data for drawing when described judging unit, target thumbnail data according to described Target Photo data genaration;
Output unit, for exporting the described target thumbnail data that described generation unit generates.
7. the device of picture output according to claim 6, it is characterized in that, described generation unit, comprising:
Hardware convergent-divergent subelement, for when the data volume of described Target Photo data is more than or equal to preset data amount, carry out hardware convergent-divergent to described Target Photo data, obtain hardware scaled data, described hardware convergent-divergent is for reducing the data volume of described Target Photo data;
Determine subelement, for described hardware scaled data is defined as described target thumbnail data.
8. the device that exports of picture according to claim 7, is characterized in that, described determine subelement also for:
When the data volume of described Target Photo data is less than described preset data amount, described Target Photo data are defined as described target thumbnail data.
9. the device of picture output according to claim 7, is characterized in that, described hardware convergent-divergent subelement, for:
Hardware decode is carried out to described Target Photo data, obtains hardware decode picture;
Described hardware decode picture is carried out reduction operation;
Hardware decode picture after reducing is encoded, obtains described hardware scaled data.
10. the device that the picture according to any one of claim 6 to 9 exports, it is characterized in that, described output unit, comprising:
Software decode subelement, for carrying out software decode to described target thumbnail data, obtains target thumbnail;
Adjustment subelement, for adjusting the described target thumbnail that described software decode subelement obtains according to pre-set dimension;
Display subelement, for showing the target thumbnail after the adjustment of described adjustment subelement.
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| CN201510386513.5A CN104933184A (en) | 2015-06-30 | 2015-06-30 | Picture output method and device |
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