CN108765281A - A kind of method, apparatus and computer storage media generating thumbnail - Google Patents
A kind of method, apparatus and computer storage media generating thumbnail Download PDFInfo
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- CN108765281A CN108765281A CN201810367406.1A CN201810367406A CN108765281A CN 108765281 A CN108765281 A CN 108765281A CN 201810367406 A CN201810367406 A CN 201810367406A CN 108765281 A CN108765281 A CN 108765281A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
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Abstract
The embodiment of the invention discloses it is a kind of generate thumbnail method, apparatus and computer storage media, the method includes:One group of image data is obtained, one group of image data is used for the reconstruction of super-resolution image;A pending image data is chosen from one group of image data;The thumbnail of the super-resolution image is generated based on the pending image data;So as to during super-resolution image generates thumbnail, save cpu resource, reduce CPU short time consumptions, improve the efficiency of thumbnail generation, and then avoid and super-resolution image is directly subjected to resize processing to generate the interim card problem caused by thumbnail, improve the experience of user.
Description
Technical field
The present invention relates to technical field of image processing more particularly to a kind of method, apparatus generating thumbnail and calculating
Machine storage medium.
Background technology
In electronic image application field, we often it is expected to obtain full resolution pricture.High-resolution means in image
Pixel density is high, is capable of providing more details, and these details are indispensable in numerous applications.With the hair of smart mobile phone
Exhibition, in order to provide better experience, we introduce the concept of super-resolution, such as the image of 50,000,000,8000W resolution ratio.
Super-resolution is that the resolution ratio of original image is improved by the method for hardware or software at present, and principle is by a series of low points
Resolution image rebuilds to obtain a preferable super-resolution image.Since the pixel of super-resolution is very high so that super-resolution
The formation speed of image is very slow, while can also occupy more cpu resource so that the processing of other images lacks CPU for a long time
Resource;In addition, thumbnail is generated based on super-resolution image, when super-resolution image processing procedure can consume a large amount of
Between, and then cause thumbnail updated slow, Caton phenomenon is easily caused in preview image, seriously affects the experience of user.
Invention content
In view of this, the main purpose of the present invention is to provide a kind of method, apparatus and computer generating thumbnail
Storage medium can save cpu resource, reduce CPU short time consumptions during super-resolution image generates thumbnail,
The efficiency of thumbnail generation is improved, and then avoids and super-resolution image is directly subjected to resize processing to generate thumbnail
Caused interim card problem, improves the experience of user.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way:
In a first aspect, an embodiment of the present invention provides a kind of method generating thumbnail, the method includes:
One group of image data is obtained, one group of image data is used for the reconstruction of super-resolution image;
A pending image data is chosen from one group of image data;
The thumbnail of the super-resolution image is generated based on the pending image data.
In the above scheme, one group of image data of the acquisition, specifically includes:
Based on photographing instruction, one group of realtime graphic is obtained by camera within the preset period;
After being pre-processed according to preset processing strategy to the realtime graphic, one group of image data is obtained.
In the above scheme, it is described the realtime graphic is pre-processed according to preset processing strategy after, obtain one
Group image data, specifically includes:
After being pre-processed according to preset processing strategy to the realtime graphic, pretreated realtime graphic number is obtained
According to;
According to preset amount of images, one group of picture number is chosen from the pretreated realtime image data
According to.
In the above scheme, after one group of image data of the acquisition, the method further includes:
One group of image data is stored according to the sequencing of acquisition.
In the above scheme, described that a pending image data is chosen from one group of image data, it specifically includes:
From one group of image data, the highest image data of clarity is chosen;
Using the highest image data of the clarity as the pending image data.
In the above scheme, described that a pending image data is chosen from one group of image data, it specifically includes:
Based on the storage order of one group of image data, the image data obtained at first is chosen;
Using the image data obtained at first as the pending image data.
In the above scheme, the thumbnail that the super-resolution image is generated based on the pending image data,
It specifically includes:
Obtain preset thumbnail dimensions;
Based on the preset thumbnail dimensions, the pending image data is generated into the super-resolution image and is corresponded to
Thumbnail.
In the above scheme, in the thumbnail for generating the super-resolution image based on the pending image data
Later, the method further includes:
The thumbnail is stored;
Establish the mapping relations between the super-resolution image and the thumbnail.
Second aspect, an embodiment of the present invention provides a kind of devices generating thumbnail, which is characterized in that the generation contracting
The device of sketch map includes:Network interface, memory and processor;Wherein,
The network interface, during for being received and sent messages between other ext nal network elements, the reception of signal and
It sends;
The memory, for storing the computer program that can be run on the processor;
The processor, for when running the computer program, executing the generation contracting of any one of first aspect
The step of method of sketch map.
The third aspect, an embodiment of the present invention provides a kind of computer storage medias, which is characterized in that the computer is deposited
Storage media is stored with the program for generating thumbnail, and the program for generating thumbnail realizes the when being executed by least one processor
The step of method of any one of the one side generation thumbnail.
An embodiment of the present invention provides a kind of method, apparatus and computer storage media generating thumbnail, by obtaining
One group of image data, one group of image data is taken to be used for the reconstruction of super-resolution image;It is selected from one group of image data
Take a pending image data;The thumbnail of the super-resolution image is generated based on the pending image data;To
It can save cpu resource during super-resolution image generates thumbnail, reduce CPU short time consumptions, improve breviary
Scheme the efficiency generated, and then avoids and super-resolution image is directly subjected to resize processing to generate the card caused by thumbnail
Problem, improves the experience of user.
Description of the drawings
Fig. 1 is a kind of method flow schematic diagram generating thumbnail provided in an embodiment of the present invention;
Fig. 2 is a kind of hardware architecture diagram of mobile terminal provided in an embodiment of the present invention;
Fig. 3 is a kind of method detailed process schematic diagram generating thumbnail provided in an embodiment of the present invention;
Fig. 4 is a kind of composed structure schematic diagram to one group of scan picture provided in an embodiment of the present invention;
Fig. 5 is a kind of composed structure schematic diagram to realtime graphic scaling processing provided in an embodiment of the present invention;
Fig. 6 is a kind of composed structure schematic diagram to thumbnail preview provided in an embodiment of the present invention;
Fig. 7 is a kind of device composition schematic diagram generating thumbnail provided in an embodiment of the present invention;
Fig. 8 is another device composition schematic diagram for generating thumbnail provided in an embodiment of the present invention;
Fig. 9 is the device composition schematic diagram of another generation thumbnail provided in an embodiment of the present invention;
Figure 10 is a kind of device particular hardware structural schematic diagram generating thumbnail provided in an embodiment of the present invention;
Figure 11 is a kind of composed structure schematic diagram of mobile terminal system provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.
It takes pictures and has become the thing that people can do whenever and wherever possible, mobile terminal is stored in will produce a large amount of image
On.Target image is found from a large amount of image in order to facilitate user, mobile terminal is user often through the mode of thumbnail
Image preview function is provided.Thumbnail, as its name suggests, be represent original digital image data by compression of images mode handle after it is small
Figure usually will also include the hyperlink for being directed toward original image.Since thumbnail is more small and exquisite, loading velocity is very fast, thus can be with
For fast browsing;That is, thumbnail is equivalent to image preview and catalogue effect.
With the rapid development of the technologies such as HD digital TV, satellite remote sensing imaging, medical imaging, people are to high-resolution
Rate imaging requirements are higher and higher.It is to increase the focal length or reduction CCD pixel list of optical system to improve resolution ratio most straightforward approach
Elemental size.However increases system focal length and will increase the volume of imaging system, improve cost;Figure can be introduced by reducing CCD pixel size
As noise etc., therefore, it is the super-resolution rebuilding technology using image to improve the most common method of resolution ratio, it can not increase
On the basis of adding complex hardware equipment, single width height is obtained by corresponding image processing algorithm by the image of several low resolution
Quality, high-resolution super-resolution image.
In existing technical solution, corresponding thumbnail, the method for generally use are generated for super-resolution image
It is that resize processing directly is carried out to super-resolution image, to obtain corresponding thumbnail.But on the one hand obtain super-resolution
The process of rate image needs to occupy more cpu resource, and time-consuming for whole process;The picture of another aspect super-resolution image
Element is very high, such as 50,000,000 pixels, 80,000,000 pixels, and data volume is also very big, is based on above-mentioned both sides reason, thus
In resize processing procedures, lack for a long time cpu resource and the stand-by period it is long due to, it may appear that thumbnail preview
When interim card problem.In order to avoid the generation of the problem, the application generates the technical solution of thumbnail for super-resolution image
Propose following embodiment.
Embodiment one
Referring to Fig. 1, it illustrates a kind of method generating thumbnail provided in an embodiment of the present invention, this method can wrap
It includes:
S101:One group of image data is obtained, one group of image data is used for the reconstruction of super-resolution image;
S102:A pending image data is chosen from one group of image data;
S103:The thumbnail of the super-resolution image is generated based on the pending image data.
Based on technical solution shown in FIG. 1, one group of image data for super-resolution image reconstruction is obtained, from described one
A pending image data is chosen in group image data, and the super-resolution figure is generated based on the pending image data
The thumbnail of picture;It can solve at present using the method institute for directly carrying out resize processing generation thumbnails to super-resolution image
Caused by interim card problem improve the experience of user so that thumbnail can be shown quickly;In addition, and super-resolution
Image is compared, and the data volume of a selected pending image is few, and resolution ratio is low, can greatly reduce CPU short time consumptions,
Cpu resource is saved, the efficiency of thumbnail generation is improved, effectively prevents the interim card problem of thumbnail.
For technical solution shown in FIG. 1, in one possible implementation, one group of image data of the acquisition, tool
Body includes:
Based on photographing instruction, one group of realtime graphic is obtained by camera within the preset period;
After being pre-processed according to preset processing strategy to the realtime graphic, one group of image data is obtained.
It should be noted that the preset processing strategy refers to carrying out pretreated mode to realtime graphic;In order to obtain
Take the image data of high-resolution and high quality, can by linearity rectification, noise reduction, go the modes such as bad point, interpolation and white balance
Any one of realtime graphic is pre-processed.
It should also be noted that, within the preset period after receiving photographing instruction, can be obtained by camera
Multiple realtime graphics.Wherein, the realtime graphic quantity of preset period and acquisition can be that internal system is pre-set,
Can be that photographer is pre-set;Such as in 0.5 second preset time period, passes through camera and obtain 15 realtime graphics.
But all images that not camera obtains all are used in the reconstruction of super-resolution image, usually, weight
The demand amount of images for building super-resolution image is less than within the preset period through the amount of images acquired in camera,
At this time need the reconstruction for choosing suitable one group of image data for super-resolution image;Therefore, in above-mentioned realization method,
Specifically, it is described the realtime graphic is pre-processed according to preset processing strategy after, obtain one group of image data, packet
It includes:
After being pre-processed according to preset processing strategy to the realtime graphic, pretreated realtime graphic number is obtained
According to;
According to preset amount of images, one group of picture number is chosen from the pretreated realtime image data
According to.
For example, it after receiving photographing instruction, in 0.5 second preset time period, can be obtained by camera
15 realtime graphics;It, then can be with after being pre-processed to realtime graphic in order to obtain the image data of high-resolution and high quality
It obtains taking 15 realtime image datas;But, it is assumed that the demand amount of images that super-resolution image is rebuild is 8, namely
Preset amount of images is 8, at this time is just needed to choose 8 image datas from 15 image datas to be formed for oversubscription
One group of image data that resolution is rebuild.In general, the process for choosing one group of image data is:It is highest that clarity is chosen first
On the basis of one image data, then chosen respectively into Line Continuity in the front-rear direction of the image data;Wherein, quantity is chosen
Determine with reference to as follows, when preset amount of images is odd number, the quantity that front-rear direction is chosen respectively is (preset picture number
Amount/2);When preset amount of images is even number, the quantity that front-rear direction is chosen respectively is (preset amount of images/2-1)
Or (preset amount of images/2);For example preset amount of images is 8, then using the highest image data of clarity as base
Standard chooses forward 3 image datas, chooses 4 image datas backward, and choose in total 8 image datas are used for forming institute
The one group of image data stated.
After one group of image data of the acquisition, in order to enable subsequent calls are convenient, it can temporarily be delayed
It deposits;Therefore, for technical solution shown in FIG. 1, in one possible implementation, after obtaining one group of image data,
The method further includes:
One group of image data is stored according to the sequencing of acquisition.
It should be noted that one group of image data can be in the form of data queue, or with the shape of data link table
Formula is stored according to the sequencing of acquisition.
Since the embodiment of the present invention is to generate thumbnail using the pending image chosen from one group of image data, this
Sample using super-resolution image it is possible to prevente effectively from directly carry out resize processing to generate the Caton phenomenon caused by thumbnail
Generation.Wherein, the Selection Strategy of pending image can be determined according to practical situations.Based on this, for Fig. 1 institutes
The technical solution shown is directed to step S102 in the embodiment of the present invention, proposes following possible realization method.
Realization method 1
Since in one group of acquired image data, the clarity for being not every image data is all best, and
The image quality of every image data is also variant;Based on this, for described in step S102 from one group of image data
A pending image data is chosen, is specifically included:
From one group of image data, the highest image data of clarity is chosen;
Using the highest image data of the clarity as the pending image data.
For example, in conjunction with examples detailed above, 8 image datas selected by above-mentioned basis formed one group of image data it
Afterwards, in this group of image data, the image quality of every image data is different, can exist quality point, clearly with obscure
Point;Since the pending image data of selection is to carry out preview image for generating thumbnail convenient for user, thus can select
The highest image data of clarity is taken to be used as the pending image data;In this way, the thumbnail being subsequently generated will not
There is larger distortion phenomenon.
Realization method 2
Since in one group of acquired image data, the acquisition time of every image data is different, have successively suitable
Point of sequence is also beneficial to further increase the efficiency of thumbnail generation in this way to quickly choose pending image data;
Usually, it is more desirable to the image data obtained at first being used as pending image data;Based on this, described in step S102
From one group of image data choose a pending image data, specifically include:
Based on the storage order of one group of image data, the image data obtained at first is chosen;
Using the image data obtained at first as the pending image data.
For example, in conjunction with examples detailed above, 8 image datas selected by above-mentioned basis formed one group of image data it
Afterwards, in this group of image data, the acquisition time of every image data has point of priority, pending in order to quickly choose
Image data, thus the image data obtained at first can be used as pending image data;In this way, being subsequently also beneficial into one
Step improves the efficiency that thumbnail generates, and improves the experience of user.
After selecting pending image data in one group of image data, in order to obtain the breviary of desired size
Figure, it is in one possible implementation, described based on the pending image data life for technical solution shown in FIG. 1
At the thumbnail of the super-resolution image, specifically include:
Obtain preset thumbnail dimensions;
Based on the preset thumbnail dimensions, the pending image data is generated into the super-resolution image and is corresponded to
Thumbnail.
It should be noted that preset thumbnail dimensions can be set according to actual demand;Wherein, preset thumbnail ruler
Very little can be the size for showing screen, institute's pre-set size when can also be preview image;Such as preset thumbnail ruler
Very little is 180*120, can thus generate the thumbnail of 180*120 sizes.
After the generation of above-mentioned thumbnail, all in-time generatin new thumbnail when in order to avoid asking thumbnail every time
And the problem of increasing cpu resource demand and memory operating load, the embodiment of the present invention can be by the thumbnails of the generation
It is stored;In addition, in order to rapidly obtain corresponding super-resolution image in preview thumbnail, the present invention is implemented
Example can also be established and the mapping relations of corresponding super-resolution image;Therefore, for technical solution shown in FIG. 1, in one kind
In possible realization method, the method further includes:
The thumbnail is stored;
Establish the mapping relations between the super-resolution image and the thumbnail.
It should be noted that in order to enable subsequent calls conveniently, can apply the thumbnail storage of generation in photograph album
In caching;When needing that the corresponding thumbnail of super-resolution image is called to carry out image preview, can be postponed by file identification
It is directly read in depositing;Alternatively, a preset thumbnail file folder can also be established, after thumbnail generates, stored
In being pressed from both sides to preset thumbnail file;When needing that the corresponding thumbnail of super-resolution image is called to carry out image preview, first
The preset thumbnail file folder is accessed according to the address of preset thumbnail file folder, then in the preset breviary picture and text
In part folder, searched for according to the filename of super-resolution image, here the file of the filename of super-resolution image and thumbnail
Name is the same.
It should also be noted that, after above-mentioned thumbnail generates and stores, in thumbnail previews, when choosing certain
, can be by the mapping relations between the super-resolution image and thumbnail established when a thumbnail is checked, and then obtain
It gets corresponding super-resolution image and is shown, so that user can also look at clearer super-resolution figure
Picture.
A kind of method generating thumbnail is present embodiments provided, by obtaining one group of image data, one group of image
Data are used for the reconstruction of super-resolution image;A pending image data is chosen from one group of image data;Based on institute
State the thumbnail that pending image data generates the super-resolution image;So as to generate thumbnail in super-resolution image
In the process, cpu resource is saved, CPU short time consumptions are reduced, improves the efficiency of thumbnail generation, and then is avoided directly
Super-resolution image is subjected to resize processing to generate the interim card problem caused by thumbnail, improves the experience of user.
Embodiment two
Based on the identical inventive concept of previous embodiment, referring to Fig. 2, it illustrates one kind can be applied to previous embodiment
The mobile terminal structure example of technical solution, the mobile terminal 200 have camera function and display function, can be, but not limited to be
Mobile phone, tablet computer, personal digital assistant, E-book reader, multimedia play equipment and wearable device etc. are portable
Electronic equipment.As shown in Fig. 2, the structure of the mobile terminal 200 may include:Radio frequency (Radio Frequency, RF) unit
210, memory 220, input unit 230, display unit 240, camera 250, sensor 260, processor 270 and power supply
280 equal components;Wherein, the major function of all parts of mobile terminal shown in Fig. 2 is described below:
Radio frequency unit 210 be used to receive and send messages or communication process in signal send and receive;Radio frequency unit 210 include but
It is not limited to antenna, at least one amplifier, transceiver, duplexer etc.;Specifically, by the downlink information of base station (such as high in the clouds
The data information of server) receive after, be sent to processor 270 processing;In addition, the data of uplink are sent to cloud by base station
Hold server;
Memory 220 includes mainly storing program area and deposits for storing software program and various data, memory 220
Store up data field, wherein storing program area can storage program area, the application program needed at least one function (for example broadcast by image
Playing function, camera function etc.) etc.;Storage data field can store according to mobile terminal use created data (such as in real time
Image, image data, thumbnail etc.) etc.;
Input unit 230 is used to receive the number or character information of input, and generates the user setting with mobile terminal
And the related push button signalling input of function control;Specifically, input unit 230 may include that touch panel 231 (also referred to as touches
Touch screen) and other input equipments 232 (include but not limited to physical keyboard, function button (such as volume control button, switch
Button etc.), mouse etc.).
Display unit 240 is for showing information input by user or being supplied to the information of user, display unit 240 to include
Display panel 241, touch panel 231 can cover display panel 241;Although in fig. 2, touch panel 231 and display panel 241
It is input and the input function of mobile terminal to be realized as two independent components, but in some embodiments it is possible to incite somebody to action
Touch panel 231 and display panel 241 are integrated and that realizes mobile terminal output and input function;
Camera 250 be used for static images, continuous shooting function or shorter video capture, camera 250 divide for it is built-in with it is outer
It sets, built-in camera refers to camera inside mobile terminal, using more convenient;External camera passes through data line or movement
The interface of terminal is connected to complete shooting function with external camera, can mitigate the weight of mobile terminal;Camera it is main
Parameter of measurement is resolution ratio, and resolution ratio is higher, and captured image is more clear, and effect is also better;
Mobile terminal further includes at least one sensor 260, for example, optical sensor, gravity sensor, gyroscope and its
His sensor;It, can when gravity sensor or gyroscope inside mobile terminal detect that mobile terminal is in dither state
It is executed in a manner of corresponding image preprocessing by by processor 270, for example stabilization function can be opened.
Processor 270 is the control centre of mobile terminal, utilizes each portion of various interfaces and connection mobile terminal
Point, by running or execute the software program and/or module that are stored in memory 220, and calls and be stored in memory 220
Interior data execute the various functions and processing data of mobile terminal, integral monitoring are carried out to mobile terminal to realize;Its
In, processor 270 includes at least image processor 271, locates in advance for carrying out image to the realtime graphic captured by camera 250
The operations such as reason.
Mobile terminal further includes the power supply 280 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity
Management system and processor 270 are logically contiguous, to realize management charging, electric discharge and power consumption by power-supply management system
The functions such as management.
It will be understood by those skilled in the art that mobile terminal structure shown in Figure 2 does not constitute the limit to mobile terminal
Fixed, mobile terminal may include either combining certain components or different component cloth than illustrating more or fewer components
It sets.
Based on the topology example of above-mentioned mobile terminal 20, referring to Fig. 3, it illustrates a kind of lifes provided in an embodiment of the present invention
At the detailed process of the method for thumbnail, which may include:
S301:Receive photographing instruction;
S302:Based on the photographing instruction, one group of realtime graphic is obtained by camera within the preset period;
For example, by taking mobile terminal 200 shown in Fig. 2 as an example, when mobile terminal 200 is taken pictures, it is necessary first to
Start the camera function of mobile terminal, that is, passes through the input unit of mobile terminal 230 (such as physical button or touch panel
Push button of taking pictures on 231) input a photographing instruction;In addition, the processor 270 inside mobile terminal 200 is set in advance
It is equipped with:In the preset time period of 0.5s, 15 realtime graphics can be obtained by camera;When mobile terminal 200 receives
After photographing instruction, camera function instruction can be issued to camera 250 by processor 270, in the preset time period of 0.5s
Interior, mobile terminal can obtain 15 realtime graphics by camera 250.
S303:After being pre-processed according to preset processing strategy to the realtime graphic, obtain pretreated real-time
Image data;
S304:According to preset amount of images, a group picture is chosen from the pretreated realtime image data
As data;
For example, by taking mobile terminal shown in Fig. 2 as an example, in conjunction with examples detailed above, when mobile terminal 200 passes through camera
After 250 obtain 15 realtime graphics, in order to obtain the image data of high-resolution and high quality, mobile terminal 200 can pass through
Image processor 271 carries out image preprocessings to this 15 realtime graphics, for example, linearity rectification, noise reduction, go bad point, interpolation and
The pretreatment modes such as white balance, to obtain 15 pretreated image datas, such as one group of beauty shown in Fig. 4 (a)
Realtime image data.In this group of beauty's realtime image data, it can also be handled as follows by processor 270:It chooses
The highest image data of clarity, then using this image data as benchmark, in the front-rear direction of the image data, respectively connect
Continuous property is chosen, for example chooses 3 image datas forward, 4 image datas is chosen backward, by choose in total 8 images
Data are used for forming one group of image data, and memory is stored temporarily in as shown in Fig. 4 (b), and by this group of image data
In 220;In addition, image processor 271 can also carry out this 8 image datas the reconstruction of super-resolution image, obtained
Shown in super-resolution image such as Fig. 4 (c), which can be stored in memory 220, can also pass through radio frequency mould
Block 210 is sent to cloud server and is stored.
S305:One group of image data is stored according to the sequencing of acquisition;
S306:Based on the storage order of one group of image data, the image data obtained at first is chosen;
S307:Using the image data obtained at first as a pending image data;
For example, by taking mobile terminal shown in Fig. 2 as an example, in conjunction with examples detailed above, when for rebuilding super resolution image
One group of image data acquisition after, such as above-mentioned one be stored temporarily in memory 220 group image data, such as Fig. 4 (b) institutes
Show;In storing process, one group of image data is to be stored in deposit in the form of data queue according to the sequencing of acquisition
In reservoir 220;In order to quickly choose pending image data, can also be handled as follows by processor 270:It reads
The image data to rank the first in data queue is used as pending image data with this, namely selects the figure obtained at first
Picture data are used as pending image data, as shown in Fig. 5 (a);In this way, mobile terminal is used as with the image data obtained at first
Pending image data can further promote the efficiency of thumbnail generation, improve the experience of user.
S308:Obtain preset thumbnail dimensions;
S309:Based on the preset thumbnail dimensions, the pending image data is generated into the super-resolution figure
As corresponding thumbnail;
For example, by taking mobile terminal shown in Fig. 2 as an example, in conjunction with examples detailed above, when pending as shown in Fig. 5 (a)
After image data is selected, in order to generate suitable thumbnail, the processor 270 inside mobile terminal 200 is previously provided with:
Preset thumbnail dimensions are 180*120;It can be handled as follows by processor 270:According to the preset thumbnail ruler
It is very little, resize processing is carried out to pending image data, then shown in thumbnail such as Fig. 5 (b) acquired in mobile terminal 200.
S310:The thumbnail is stored;
S311:Establish the mapping relations between the super-resolution image and the thumbnail.
For example, by taking mobile terminal shown in Fig. 2 as an example, in conjunction with examples detailed above, mobile terminal 200 can pass through processing
Device 270 establishes preset thumbnail file folder;Wherein, preset thumbnail file folder can establish depositing in mobile terminal 200
220 the inside of reservoir can also be established the preset thumbnail file folder in server beyond the clouds by radio frequency unit 210
Face.After above-mentioned thumbnail generates, it can be handled as follows by processor 270:The compression figure is stored in default
Thumbnail file folder in, in this way, effectively preventing asking when thumbnail all new thumbnails of in-time generatin every time and increasing
The problem of having added cpu resource demand and memory operating load, having reduced the efficiency of thumbnail generation.In addition, due to the contracting
Sketch map is generated for super-resolution image, after thumbnail generation, can be located as follows by processor 270
Reason:Establish super-resolution image and Fig. 5 shown in mapping relations namely Fig. 4 (c) between super-resolution image and thumbnail
(b) mapping relations between thumbnail shown in;In this way, mobile terminal 200 carries out thumbnail preview by display unit 240,
As shown in fig. 6, when user is checked by the selection of input unit 230 to the thumbnail as shown in Fig. 5 (b), can also lead to
Established mapping relations are crossed, and then gets the super-resolution image as shown in Fig. 4 (c) and is carried out by display unit 240
It has been shown that, so that user can also look at clearer high-definition picture.
By above-described embodiment, the specific implementation of previous embodiment is elaborated, there it can be seen that passing through
The technical solution of previous embodiment, so as to during super-resolution image generates thumbnail, save cpu resource, subtract
Small CPU short time consumptions, improve the efficiency of thumbnail generation, and then avoid and super-resolution image is directly carried out resize
It handles to generate the interim card problem caused by thumbnail, improves the experience of user.
Embodiment three
Based on the identical inventive concept of previous embodiment, referring to Fig. 7, it illustrates a kind of lifes provided in an embodiment of the present invention
At the composition of the device 70 of thumbnail, may include:Fetching portion 701, selected part 702 and generating portion 703;Wherein,
The fetching portion 701 is configured to obtain one group of image data, and one group of image data is used for super-resolution figure
The reconstruction of picture;
The selected part 702 is configured to choose a pending image data from one group of image data;
The generating portion 703 is configured to the contracting that the pending image data generates the super-resolution image
Sketch map.
In the above scheme, the fetching portion 701, concrete configuration are:
Based on photographing instruction, one group of realtime graphic is obtained by camera within the preset period;
After being pre-processed according to preset processing strategy to the realtime graphic, one group of image data is obtained.
In the above scheme, the fetching portion 701, concrete configuration are:
After being pre-processed according to preset processing strategy to the realtime graphic, pretreated realtime graphic number is obtained
According to;
According to preset amount of images, one group of picture number is chosen from the pretreated realtime image data
According to.
In the above scheme, referring to Fig. 8, the device for generating thumbnail further includes the first storage section 704, configuration
For:
One group of image data is stored according to the sequencing of acquisition.
In the above scheme, the selected part 702, concrete configuration are:
From one group of image data, the highest image data of clarity is chosen;
Using the highest image data of the clarity as the pending image data.
In the above scheme, the selected part 702, concrete configuration are:
Based on the storage order of one group of image data, the image data obtained at first is chosen;
Using the image data obtained at first as the pending image data.
In the above scheme, the generating portion 703, concrete configuration are:
Obtain preset thumbnail dimensions;
Based on the preset thumbnail dimensions, the pending image data is generated into the super-resolution image and is corresponded to
Thumbnail.
In the above scheme, referring to Fig. 9, the device for generating thumbnail further includes the second storage section 705, configuration
For:
The thumbnail is stored;
Establish the mapping relations between the super-resolution image and the thumbnail.
It is to be appreciated that in the present embodiment, " part " can be partial circuit, segment processor, subprogram or soft
Part etc., naturally it is also possible to be unit, can also be that module can also be non-modularization.
In addition, each component part in the present embodiment can be integrated in a processing unit, can also be each list
Member physically exists alone, can also be during two or more units are integrated in one unit.Above-mentioned integrated unit both can be with
It is realized, can also be realized in the form of software function module in the form of hardware.
If the integrated unit realizes that being not intended as independent product is sold in the form of software function module
Or in use, can be stored in a computer read/write memory medium, based on this understanding, the technical side of the present embodiment
Substantially all or part of the part that contributes to existing technology or the technical solution can be produced case with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions are used so that one
Platform computer equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute sheet
The all or part of step of embodiment the method.And storage medium above-mentioned includes:USB flash disk, mobile hard disk, read-only memory
(ROM, Read Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. the various media that can store program code.
Therefore, a kind of computer storage media is present embodiments provided, which is stored with generation breviary
The program of figure, the program for generating thumbnail is realized when being executed by least one processor generates contracting described in above-described embodiment one
The step of method of sketch map.
The composition and computer storage media of device 70 based on above-mentioned generation thumbnail, referring to Figure 10, it illustrates
It is provided in an embodiment of the present invention generate thumbnail device 70 particular hardware structure, may include:Network interface 1001, storage
Device 1002 and processor 1003;Various components are coupled by bus system 1004.It is understood that bus system 1004 is used for
Realize the connection communication between these components.Bus system 1004 further includes power bus, control in addition to including data/address bus
Bus and status signal bus in addition.But for the sake of clear explanation, various buses are all designated as bus system 1004 in Fig. 10.
Wherein, network interface 1001, during for being received and sent messages between other ext nal network elements, the reception of signal and hair
It send;
Memory 1002, for storing the computer program that can be run on processor 1003;
Processor 1003, for when running the computer program, executing:
One group of image data is obtained, one group of image data is used for the reconstruction of super-resolution image;
A pending image data is chosen from one group of image data;
The thumbnail of the super-resolution image is generated based on the pending image data.
It is appreciated that the memory 1002 in the embodiment of the present invention can be volatile memory or non-volatile memories
Both device, or may include volatile and non-volatile memory.Wherein, nonvolatile memory can be read-only memory
(Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only
Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM,
) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use
Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random-access
Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access
Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data
Rate SDRAM, DDRSDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous
Connect dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DRRAM).The memory 1002 of system and method described herein be intended to including but not limited to this
A little and any other suitable type memory.
And processor 1003 may be a kind of IC chip, the processing capacity with signal.During realization, on
Stating each step of method can be completed by the integrated logic circuit of the hardware in processor 1003 or the instruction of software form.
Above-mentioned processor 1003 can be general processor, digital signal processor (Digital Signal Processor,
DSP), application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate
Array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or crystal
Pipe logical device, discrete hardware components.It may be implemented or execute the disclosed each method in the embodiment of the present invention, step and patrol
Collect block diagram.General processor can be microprocessor or the processor can also be any conventional processor etc..In conjunction with this
The step of method disclosed in inventive embodiments, can be embodied directly in hardware decoding processor and execute completion, or at decoding
Hardware and software module combination in reason device execute completion.Software module can be located at random access memory, flash memory, read-only storage
In the storage medium of this fields such as device, programmable read only memory or electrically erasable programmable memory, register maturation.It should
Storage medium is located at memory 1002, and processor 1003 reads the information in memory 1002, and above-mentioned side is completed in conjunction with its hardware
The step of method.
It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its
It combines to realize.For hardware realization, processing unit may be implemented in one or more application-specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for executing herein described function or combinations thereof.
For software implementations, it can be realized herein by executing the module (such as process, function etc.) of function described herein
The technology.Software code is storable in memory and is executed by processor.Memory can in the processor or
It is realized outside processor.
Optionally, as another embodiment, processor 1003 is additionally configured to when running the computer program, is executed
The step of method of thumbnail is generated described in above-described embodiment one.
Referring to Figure 11, it illustrates a kind of mobile terminal 110 provided in an embodiment of the present invention, the mobile terminal 110 to
Include the device 70 of any one generation thumbnail involved in previous embodiment less.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of method generating thumbnail, the method includes:
One group of image data is obtained, one group of image data is used for the reconstruction of super-resolution image;
A pending image data is chosen from one group of image data;
The thumbnail of the super-resolution image is generated based on the pending image data.
2. according to the method described in claim 1, it is characterized in that, one group of image data of the acquisition, specifically includes:
Based on photographing instruction, one group of realtime graphic is obtained by camera within the preset period;
After being pre-processed according to preset processing strategy to the realtime graphic, one group of image data is obtained.
3. according to the method described in claim 2, it is characterized in that, described tactful according to preset processing to the realtime graphic
After being pre-processed, one group of image data is obtained, is specifically included:
After being pre-processed according to preset processing strategy to the realtime graphic, pretreated realtime image data is obtained;
According to preset amount of images, one group of image data is chosen from the pretreated realtime image data.
4. according to the method described in claim 1, it is characterized in that, after one group of image data of the acquisition, the method
Further include:
One group of image data is stored according to the sequencing of acquisition.
5. according to the method described in claim 1, it is characterized in that, described from selection one waits in one group of image data
Image data is managed, is specifically included:
From one group of image data, the highest image data of clarity is chosen;
Using the highest image data of the clarity as the pending image data.
6. according to the method described in claim 1, it is characterized in that, described from selection one waits in one group of image data
Image data is managed, is specifically included:
Based on the storage order of one group of image data, the image data obtained at first is chosen;
Using the image data obtained at first as the pending image data.
7. according to the method described in claim 1, it is characterized in that, described generate described surpass based on the pending image data
The thumbnail of image in different resolution, specifically includes:
Obtain preset thumbnail dimensions;
Based on the preset thumbnail dimensions, the pending image data is generated into the corresponding contracting of the super-resolution image
Sketch map.
8. according to the method described in claim 1, it is characterized in that, described based on described in the pending image data generation
After the thumbnail of super-resolution image, the method further includes:
The thumbnail is stored;
Establish the mapping relations between the super-resolution image and the thumbnail.
9. it is a kind of generate thumbnail device, which is characterized in that it is described generate thumbnail device include:Network interface, storage
Device and processor;Wherein,
The network interface, during for being received and sent messages between other ext nal network elements, signal sends and receivees;
The memory, for storing the computer program that can be run on the processor;
The processor, for when running the computer program, perform claim to require any one of 1 to the 8 generation breviary
The step of method of figure.
10. a kind of computer storage media, which is characterized in that the computer storage media is stored with the journey for generating thumbnail
Sequence, the program for generating thumbnail realize the generation contracting of any one of claim 1 to 8 when being executed by least one processor
The step of method of sketch map.
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