CN105678679B - The system and method for extensive picture set quickly previewing - Google Patents
The system and method for extensive picture set quickly previewing Download PDFInfo
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- CN105678679B CN105678679B CN201511026930.5A CN201511026930A CN105678679B CN 105678679 B CN105678679 B CN 105678679B CN 201511026930 A CN201511026930 A CN 201511026930A CN 105678679 B CN105678679 B CN 105678679B
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- 238000003384 imaging method Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 9
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- 238000005516 engineering process Methods 0.000 description 6
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
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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
- G06T3/4092—Image resolution transcoding, e.g. by using client-server architectures
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Abstract
The present invention relates to a kind of extensive picture set quickly previewing systems, including thumbnail constructing module, to construct various sizes of thumbnail in the picture for treating preview from thread；Thumbnail image-forming module, to judge in main thread user whether self-defining image chip size, and imaging is carried out according to the picture that judging result treats preview and is shown；Image cache detection module, to judge the thumbnail caching to preview picture whether beyond preset cache size；The in due course release module of resource waits for the thumbnail caching of preview picture to discharge redundancy；The thumbnail constructing module further includes mini size configurations unit and large scale structural unit；The invention further relates to a kind of methods of extensive picture set quickly previewing.Using the extensive picture set quickly previewing system and method for this kind of structure, can effectively speeding up picture is shown in extensive picture set, guarantee the experience of user's quickly previewing, have wide range of applications.
Description
Technical field
The present invention relates to field of computer technology more particularly to big data, in particular to a kind of extensive picture set are fast
The system and method for fast preview.
Background technique
Electronic pictures data have become the important component in computer and other information storage mediums, especially closely
Carry out universal, the total amount and type presentation explosive growth of family's picture, how in a large amount of pictures of portable equipment, intelligent terminal
Quickly previewing has become urgent problem in conjunction.
Some softwares on the market at present, the preview picture effect in hundred number of stages is fine, once reach thousand grades or with
When the picture set of the upper order of magnitude, the speed of imaging and preview is all had a greatly reduced quality, and is not able to satisfy the requirement of user's quickly previewing.
Summary of the invention
The purpose of the present invention is overcoming the above-mentioned prior art, one kind is provided effectively in extensive pictures
Speeding up picture shows, guarantees the system and method for the extensive picture set quickly previewing of the experience of user's quickly previewing in conjunction.
To achieve the goals above, the system and method for extensive picture set quickly previewing of the invention has following structure
At:
The system of the extensive picture set quickly previewing, is mainly characterized by, and the system includes:
Thumbnail constructing module, to construct various sizes of thumbnail in the picture for treating preview from thread；
Thumbnail image-forming module, to judge in main thread user whether self-defining image chip size, and according to judgement tie
The picture that fruit treats preview carries out imaging and shows.
Further, the thumbnail constructing module includes:
Mini size configurations unit, to first from thread to original size not less than 75 × 75 pixels to preview
Picture construct 75 × 75 pixels thumbnail；
Large scale structural unit, to second from thread to original size not less than 600 × 600 pixels to preview
Picture construct 600 × 600 pixels thumbnail.
Further, the system further include:
Image cache detection module, to judge whether the thumbnail caching to preview picture is big beyond preset caching
It is small；
The in due course release module of resource waits for the thumbnail caching of preview picture to discharge redundancy.
The invention further relates to a kind of methods of extensive picture set quickly previewing, are mainly characterized by, the method
Including main thread and from thread:
Main thread the following steps are included:
(1) thumbnail image-forming module judge user whether self-defining image chip size；
(2) if user's self-defining image chip size, the thumbnail image-forming module is according to the customized picture of user
The picture that size treats preview is imaged and is shown in current image preview pane；
(3) if the non-self-defining image chip size of user, the thumbnail image-forming module is according to the picture of system default
The picture that size treats preview is imaged and is shown in current image preview pane；
From thread the following steps are included:
The picture that thumbnail constructing module treats preview constructs various sizes of thumbnail.
First from thread:
The mini size configurations unit first from thread to original size not less than 75 × 75 pixels to pre-
The picture look at constructs the thumbnail of 75 × 75 pixels；
Second from thread:
The large scale structural unit second from thread to original size not less than 600 × 600 pixels to pre-
The picture look at constructs the thumbnail of 600 × 600 pixels.
Further, the system further includes image cache detection module and the in due course release module of resource, described
Method is further comprising the steps of:
(4) system described in judges whether current image preview pane has sliding block；
(5) if in current image preview pane have sliding block, trigger third from thread, the 4th from thread and the 5th from
Thread work；
(6) if not with sliding block in current image preview pane, the image cache detection module is ignored to preview
The thumbnail cache size of picture.
Further, the third from thread the following steps are included:
(a.1) whether the image cache detection module described in judges the thumbnail caching to preview picture beyond preset slow
Deposit size；
(a.2) if the thumbnail caching to preview picture exceeds preset cache size, the resource is released in due course
Amplification module release redundancy waits for the thumbnail caching of preview picture；
(a.3) if the thumbnail to preview picture is cached without departing from preset cache size, terminate and exit.
Further, the described 4th from thread the following steps are included:
(b.1) difference set of system-computed current image preview pane and the predicted pictures preview pane of system prediction；
(b.2) system judges whether that there is also unimaged pictures；
It (b.3) is preferably the unimaged picture imaging if there is also unimaged picture；
(b.4) if there is no unimaged picture, then terminate and exit.
Further, the described 5th from thread the following steps are included:
(c.1) picture that system judgement has been imaged whether there is in the difference set；
(c.2) if the picture being imaged is present in the difference set, the in due course release module release of the resource
The caching of its thumbnail；
(c.3) if the picture being imaged is not present in the difference set, terminate and exit.
Still further, the method is further comprising the steps of:
(7) system described in judge user whether roll mouse；
(8) if the user has rolled mouse, continue step (4)；
(9) if the non-roll mouse of the user, terminates and exit.
It, can be effectively in Large Scale Graphs using the system and method for the extensive picture set quickly previewing in the invention
Speeding up picture is shown in piece set, is guaranteed the experience of user's quickly previewing, is had wide range of applications.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the system of extensive picture set quickly previewing of the invention.
Fig. 2 is the step flow chart of the method for extensive picture set quickly previewing of the invention.
Specific embodiment
It is further to carry out combined with specific embodiments below in order to more clearly describe technology contents of the invention
Description.
The present invention relates to a kind of method of extensive picture set quickly previewing, be related to picture fast imaging, intelligence at
As prediction etc. technologies, can effectively in extensive picture set speeding up picture show, guarantee user's quickly previewing experience.
On the one hand the method that this technology uses multithreading constructs thumbnail for original image, as the source of image preview, separately
On the one hand the real-time monitoring for thumbnail caching and intelligence imaging are predicted, are discharged expired breviary image resource, are guaranteed preview picture
It is smooth.
When constructing thumbnail for original image, this technology still uses multithreading, is responsible for generating by two threads different
The thumbnail of size, rule are as follows:
The mini size of (1) 75 × 75 pixel, thread 1 are responsible for generation；
The large-size images resolution ratio of (2) 600 × 600 pixels, thread 2 are responsible for generation.
Wherein 75 pixels, the final choice of 600 pixels are the common requirements based on user to preview picture and current market
The size selection of upper extensive application is summarized.Dimensions above is longest edge unit after image scales in proportion, pre- to reach picture
The requirement look to time and picture quality is shown.
In this specific embodiment, why the thumbnail of two kinds of sizes is generated the reason is that for imaging efficiency and quality,
The selection of two kinds of sizes is also according to user's habit, acceptance level and the selection of mainstream applications realization on the market.
In the selection of imaging size, following rule is used:
(1) default fills picture preview pane using mini size thumbnail, guarantees that user sees imaging in the shortest time；
(2) if the preview picture frame of default is greater than mini size, or demand (the selection large scale for having amplification to show in user
Preview) when, it is transformed to the breviary totem culture of corresponding large-size images, to guarantee the clarity of picture；
(3) in the construction process of thumbnail, the scheduling of its different priorities is assigned, guarantees the preview picture shape of mini size
Formula is preferentially completed.
In user's roll mouse or sliding block, change form, when checking more pictures, this technology uses multithreading, by addition
Three threads are measured in real time respectively to thumbnail imaging caching and intelligent predicting, rule are as follows:
(1) it is controlled to image cache has been imaged, guarantees that the thumbnail generation of later period new picture has sufficient space, thread
3 are responsible for；
(2) when the picture set shown in there are multiple at the interface preview vision area with sliding block, each preview vision area is known as
One picture directory logic tree.Each vision area independently calculates the picture imaging and method for releasing of own directory logic tree.In calculating
In the process, carry out when front-view area rectangle and predict the comparison of form rectangle.Wherein when front-view area, rectangle refers to that user is current
The rectangular window of the picture set of preview on the screen.Prediction form rectangle is according to certain rule (including user's habit, figure
The combined factors such as piece neighbor distance consider), thus it is speculated that user arranges by the picture set of preview, and with dimension of picture in current form
The pattern of column calculates the rectangular window for showing that these picture set need.Comparison rules are as follows:
(1) calculating works as front-view area if being free of in prediction form rectangle when the difference set of front-view area rectangle and prediction form rectangle
Element in rectangle is the picture that possible need to be imaged, and can be preferably its imaging.Thread 4 is responsible for.
(2) if image need to discharge its resource not in the difference set of two form rectangles.Thread 5 is responsible for.
In addition, the scheduling of thread 4 is superior to thread 5, to guarantee the processing time of image generation.
For ease of operation；The size of image cache is defaulted as 1/10th of Installed System Memory, supports user customized.One
Denier exceeds predetermined cache, and picture just has been imaged by rule release, and rule is as follows:
(1) without the preview vision area of sliding block, to guarantee imaging, predetermined cache limitation is broken through；
(2) the preview vision area with sliding block has such as been imaged picture and has been all contained in two form difference sets, then current according to first distance
The vision area picture farthest with prediction vision area, then distance successively discharge qualified figure when the rule of the farthest picture in front-view area
Piece resource.
(4) as sliding block is not present, thread 4 and thread 5 will be idle, and no work finishes because the picture of the imaging is imaged,
Without release resource.
When user's roll mouse, wherein being changed the preview window when front-view area, it will recalculate and newly work as front-view area
Rectangle and new prediction form rectangle are imaged and are discharged according to above-mentioned rule in comparison process.
It, can be effectively in Large Scale Graphs using the system and method for the extensive picture set quickly previewing in the invention
Speeding up picture is shown in piece set, is guaranteed the experience of user's quickly previewing, is had wide range of applications.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (7)
1. a kind of extensive picture set quickly previewing system, which is characterized in that the system includes:
Thumbnail constructing module, to construct various sizes of thumbnail in the picture for treating preview from thread；
Thumbnail image-forming module, to judge in main thread user whether self-defining image chip size, and according to judging result pair
Picture to preview carries out imaging and shows；
Image cache detection module, to judge the thumbnail caching to preview picture whether beyond preset cache size；
The in due course release module of resource waits for the thumbnail caching of preview picture to discharge redundancy；
The system carries out realizing extensive picture set quickly previewing operation, wherein the system carries out realizing big rule
The operation of mould picture set quickly previewing carries out the following processing, including main thread and from thread:
Main thread the following steps are included:
(1) thumbnail image-forming module judge user whether self-defining image chip size；
(2) if user's self-defining image chip size, the thumbnail image-forming module is according to the customized dimension of picture of user
The picture for treating preview is imaged and is shown in current image preview pane；
(3) if the non-self-defining image chip size of user, the thumbnail image-forming module is according to the dimension of picture of system default
The picture for treating preview is imaged and is shown in current image preview pane；
(4) system described in judges whether current image preview pane has sliding block；
(5) if having sliding block in current image preview pane, third is triggered from thread, the 4th from thread and the 5th from thread
Work；
(6) if not with sliding block in current image preview pane, the image cache detection module is ignored to preview picture
Thumbnail cache size；
From thread the following steps are included:
The picture that thumbnail constructing module treats preview constructs various sizes of thumbnail；
Wherein, the described 4th from thread the following steps are included:
(b.1) difference set of system-computed current image preview pane and the predicted pictures preview pane of system prediction；
(b.2) system judges whether that there is also unimaged pictures；
It (b.3) is preferably the unimaged picture imaging if there is also unimaged picture；
(b.4) if there is no unimaged picture, then terminate and exit.
2. extensive picture set quickly previewing system according to claim 1, which is characterized in that the thumbnail structure
Modeling block includes:
Mini size configurations unit, to be not less than the figure to preview of 75 × 75 pixels to original size from thread first
Piece constructs the thumbnail of 75 × 75 pixels；
Large scale structural unit, to be not less than the figure to preview of 600 × 600 pixels to original size from thread second
Piece constructs the thumbnail of 600 × 600 pixels.
3. a method of extensive picture set quickly previewing is realized based on system described in claim 1, which is characterized in that
The method includes main thread and from thread:
Main thread the following steps are included:
(1) thumbnail image-forming module judge user whether self-defining image chip size；
(2) if user's self-defining image chip size, the thumbnail image-forming module is according to the customized dimension of picture of user
The picture for treating preview is imaged and is shown in current image preview pane；
(3) if the non-self-defining image chip size of user, the thumbnail image-forming module is according to the dimension of picture of system default
The picture for treating preview is imaged and is shown in current image preview pane；
(4) system described in judges whether current image preview pane has sliding block；
(5) if having sliding block in current image preview pane, third is triggered from thread, the 4th from thread and the 5th from thread
Work；
(6) if not with sliding block in current image preview pane, the image cache detection module is ignored to preview picture
Thumbnail cache size；
From thread the following steps are included:
The picture that thumbnail constructing module treats preview constructs various sizes of thumbnail；
Described the 4th from thread the following steps are included:
(b.1) difference set of system-computed current image preview pane and the predicted pictures preview pane of system prediction；
(b.2) system judges whether that there is also unimaged pictures；
It (b.3) is preferably the unimaged picture imaging if there is also unimaged picture；
(b.4) if there is no unimaged picture, then terminate and exit.
4. the method for extensive picture set quickly previewing according to claim 3, which is characterized in that the thumbnail
Constructing module includes mini size configurations unit and large scale structural unit；The thumbnail constructing module treats preview
Picture constructs various sizes of thumbnail and specifically includes following thread:
First from thread:
The mini size configurations unit first from thread to original size not less than 75 × 75 pixels to preview
Picture constructs the thumbnail of 75 × 75 pixels；
Second from thread:
The large scale structural unit second from thread to original size not less than 600 × 600 pixels to preview
Picture constructs the thumbnail of 600 × 600 pixels.
5. the method for extensive picture set quickly previewing according to claim 4, which is characterized in that the third from
Thread the following steps are included:
(a.1) the image cache detection module described in judges whether the thumbnail caching to preview picture is big beyond preset caching
It is small；
(a.2) if the thumbnail caching to preview picture exceeds preset cache size, the resource discharges mould in due course
Block release redundancy waits for the thumbnail caching of preview picture；
(a.3) if the thumbnail to preview picture is cached without departing from preset cache size, terminate and exit.
6. the method for extensive picture set quickly previewing according to claim 5, which is characterized in that described the 5th from
Thread the following steps are included:
(c.1) picture that system judgement has been imaged whether there is in the difference set；
(c.2) if the picture being imaged is present in the difference set, the in due course release module of resource discharges its contracting
The caching of sketch map；
(c.3) if the picture being imaged is not present in the difference set, terminate and exit.
7. the method for extensive picture set quickly previewing according to claim 6, which is characterized in that the method is also
The following steps are included:
(7) system described in judge user whether roll mouse；
(8) if the user has rolled mouse, continue step (4)；
(9) if the non-roll mouse of the user, terminates and exit.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956458A (en) * | 2005-10-28 | 2007-05-02 | 佳能株式会社 | Image issue system, customer terminal and control method thereof |
| CN101464882A (en) * | 2007-12-21 | 2009-06-24 | 株式会社理光 | Information display system, information display method, and computer program product |
| CN104239435A (en) * | 2014-08-29 | 2014-12-24 | 四川长虹电器股份有限公司 | Distributed picture caching method based on picture thumbnail processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7564460B2 (en) * | 2001-07-16 | 2009-07-21 | Microsoft Corporation | Systems and methods for providing intermediate targets in a graphics system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956458A (en) * | 2005-10-28 | 2007-05-02 | 佳能株式会社 | Image issue system, customer terminal and control method thereof |
| CN101464882A (en) * | 2007-12-21 | 2009-06-24 | 株式会社理光 | Information display system, information display method, and computer program product |
| CN104239435A (en) * | 2014-08-29 | 2014-12-24 | 四川长虹电器股份有限公司 | Distributed picture caching method based on picture thumbnail processing |
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