CN101895635A - Mobile terminal-based image converting method and device - Google Patents

Mobile terminal-based image converting method and device Download PDF

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CN101895635A
CN101895635A CN201010232095.1A CN201010232095A CN101895635A CN 101895635 A CN101895635 A CN 101895635A CN 201010232095 A CN201010232095 A CN 201010232095A CN 101895635 A CN101895635 A CN 101895635A
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picture
visual field
browsing pages
user visual
advances
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CN101895635B (en
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梁捷
饶荣庆
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Alibaba China Co Ltd
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Ucweb Inc
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Abstract

The invention provides a mobile terminal-based image converting method. The method comprises the following steps: the raw data of an image loaded through a connection network are cached in a mobile terminal; the current browse page coming into the sight of the user is monitored to judge whether a new image is needed to appear in the current browse area coming into the sight of the user; if so, the new image is created by using the cached raw data of the image; and the created image is displayed in the current browse area coming into the sight of the user. By using the image converting method, the internal memory of the mobile terminal can be furthest utilized to browse as much images as possible and the page-presenting speed is accelerated, thus improving the user experience, lowering the networking frequency, reducing the loss of flow and saving the user cost.

Description

Image converting method and device based on portable terminal
Technical field
The present invention relates to technical field of mobile terminals, more specifically, relate to a kind of image converting method and device based on portable terminal.
Background technology
Along with the progress of society and the development of technology, people use the portable terminal pictorial information that surfs the web more and more.At present, existing portable terminal adopts the mode of wireless narrow band access to carry out network insertion usually.Wish by connecting network when showing on the portable terminal in mobile terminal user from picture that network is downloaded, because the data transmission rate of wireless narrow band access is little, and image data is bigger usually, so picture representing on the screen of portable terminal is very slow, and it is poor to operate, thereby causes poor user experience.
For example, in present portable terminal, though the internal memory that the mobile phone image data that Sony-Ericson company produces takies is few, speed is very slow when creating picture.And Nokia, Motorola, though that three magnitude main flow mobile phones are created picture is fast, the shared internal memory of picture is very big.Therefore, cause client when handling the picture conversion, perhaps Out of Memory usefulness, perhaps picture represents slowly, thereby causes poor operability, and then influences user experience.
In addition, because the shared internal memory of image data is bigger, and the content capacity that is built in portable terminal owing to the cost reason is not very big usually, therefore, the image data that causes being loaded into the page on the portable terminal is incomplete, and the page data that is buffered in the portable terminal is few.Because the image data of institute's buffer memory is few in the portable terminal, obtains identical picture thereby cause mobile terminal user need connect network continually, has increased user's flowing of access thus widely, and then has increased customer charge.
Summary of the invention
In view of the above problems, the purpose of this invention is to provide a kind of image converting method and device based on portable terminal, it can utilize the internal memory in the portable terminal to browse picture as much as possible substantially, accelerate the speed that represents of the page, improve the response speed of operation, thereby improve user experience, and reduce the networking frequency, reduce the flow loss, thereby save customer charge.
According to an aspect of the present invention, provide a kind of image converting method, having comprised based on portable terminal:
Buffer memory is by connecting the picture initial data that network loads in portable terminal;
Monitor when the browsing pages that advances into the user visual field, to judge in the browsing area that advances into the user visual field whether need to present new picture;
When needing to present new picture in the browsing area that advances into the user visual field, utilize the picture initial data of institute's buffer memory to create new picture; And
On the browsing area that advances into the user visual field, showing the picture of being created.
According to a further aspect in the invention, provide a kind of picture conversion equipment, having comprised based on portable terminal:
Buffer unit is used for buffer memory by connecting the picture initial data that network loads;
Monitoring unit is used to monitor the browsing pages when advancing into the user visual field, to judge in the browsing area that advances into the user visual field whether need to present new picture;
Creating unit is used for when the browsing area that advances into the user visual field needs to present new picture, utilizes the picture initial data of institute's buffer memory to create new picture; And
Display unit is used for showing the new picture of being created on the browsing area that advances into the user visual field.Beneficial effect
Utilize above-mentioned according to image converting method and the device based on portable terminal of the present invention, by the picture initial data that at first buffer memory loads by the connection network in portable terminal, the current browsing pages of monitoring users, when needing to present new picture in the browsing area that advances into the user visual field, utilize the picture initial data of institute's buffer memory to create new picture, and on the browsing area that advances into the user visual field, showing the picture of being created.Because the shared internal memory of the picture initial data of institute's buffer memory is much smaller than the shared internal memory of image data, and only when the user need represent picture, just create image data again according to the picture initial data of institute's buffer memory, thereby reduced taking of internal memory widely, thus can the more picture initial data of buffer memory, and accelerated the speed that represents of the page, improved the response speed of operation, thereby improved user experience.In addition,, obtain identical picture, therefore, reduced the networking frequency, reduce the flow loss, thereby save customer charge and need not to connect continually network owing to only need once to download whole picture initial data from network.
In order to realize above-mentioned and relevant purpose, one or more aspects of the present invention comprise the feature that the back will describe in detail and particularly point out in the claims.Following explanation and accompanying drawing describe some illustrative aspects of the present invention in detail.Yet, the indication of these aspects only be some modes that can use in the variety of way of principle of the present invention.In addition, the present invention is intended to comprise all these aspects and their equivalent.
Description of drawings
By the content of reference below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present invention, other purpose of the present invention and result will understand and easy to understand more.In the accompanying drawings:
Fig. 1 shows the flow chart of the image converting method based on portable terminal according to an embodiment of the invention;
Fig. 2 shows the flow chart based on the image converting method of portable terminal according to another embodiment of the present invention;
Fig. 3 shows the block diagram of the picture conversion equipment based on portable terminal according to an embodiment of the invention;
Fig. 4 shows the block diagram based on the picture conversion equipment of portable terminal according to another embodiment of the present invention;
Fig. 5 a shows the schematic diagram according to the screen size of the user's of an example portable terminal;
The schematic diagram that Fig. 5 b shows the current page-size of browsing of user and enters the page-size in the user visual field; With
Fig. 5 c shows current browsing pages size after moving the page on the user and the schematic diagram that enters the page-size in the user visual field.
Identical label is indicated similar or corresponding feature or function in institute's drawings attached.
Embodiment
Below with reference to accompanying drawing specific embodiments of the invention are described in detail.
Fig. 1 shows the flow chart of the image converting method based on portable terminal according to an embodiment of the invention.
As shown in Figure 1, in step S110, portable terminal connects network by client and comes from the destination server initial data that Loads Image, and described destination server for example is the content server that is used to provide content service, such as the content server of Sina website etc.After having loaded the picture initial data, the picture primary data cache that loaded in portable terminal, for example is buffered in the internal memory or buffer unit of portable terminal.Here being noted that the picture initial data that is loaded that is buffered in the portable terminal can be to load in real time, also can be pre-loaded.Then, proceed to step S120.
In step S120, the current browsing pages of monitoring users is to judge in the browsing pages that advances into the user visual field whether need to present new picture.Particularly, the user can bring in by the client and create the background picture watcher thread, monitors when the browsing pages that advances into the user visual field, to judge in the browsing pages that advances into the user visual field whether need to present new picture.For example, monitoring when advancing into the browsing pages in the user visual field, can monitor page boundary coordinate, upper end or the lower end page boundary coordinate when the browsing pages that advances into the user visual field that is monitored compared with the upper end or the lower end page boundary coordinate that advance into the browsing pages in the user visual field earlier when the browsing pages that advances into the user visual field.When upper end of working as the browsing pages that advances into the user visual field or upper end or the lower end page boundary coordinate time that the lower end page coordinates exceeds the browsing pages that advances into the user visual field earlier, being judged as on the browsing pages that advances into the user visual field needs to present new picture.Otherwise being judged as on the browsing pages that advances into the user visual field does not need to present new picture.
Here be noted that, for example can utilize screen size, the user's of portable terminal the page boundary size of current browsing pages when the page boundary coordinate of the browsing pages that advances into the user visual field, and the page during the mobile page moves side-play amount and calculates.Come above-mentioned judgement is described when advancing into the deterministic process that whether needs to present new picture on the browsing pages in the user visual field below with reference to Fig. 5 a, 5b, 5c.
Fig. 5 a shows the schematic diagram according to the screen size of the user's of an example portable terminal.The schematic diagram that Fig. 5 b shows the current page-size of browsing of user and enters the page-size in the user visual field.Fig. 5 c shows current browsing pages size after moving the page on the user and the schematic diagram that enters the page-size in the user visual field.
Shown in Fig. 5 a, 5b and 5c, the screen size of user's portable terminal is 240mm*320mm, user's current browsing pages size is 240mm*1240mm, at this moment, the coordinate in the upper left corner of screen of supposing portable terminal is for (0,0), and then the boundary coordinate of portable terminal is (0,0) and (240,320), the page boundary coordinate of user's current browsing pages is (0,0) and (240,1240), thus, do not carrying out the page when moving, when the page boundary coordinate of the browsing pages that advances into the user visual field is (0,0) and (240,320).At this moment, the user can utilize and move or move down the page on mouse or the cursor.In this example, suppose will on the page that produces when moving the page move side-play amount be set on the occasion of, move side-play amount and be set at negative value and will move down the page that the page produces.
If the user utilizes for the first time and moves page 100mm on mouse or the cursor, promptly, it is 100 that the page of user's browsing pages moves side-play amount, the page boundary coordinate that then will not carry out entering when the page moves the browsing pages in the user visual field adds that the page moves side-play amount 100, thereby obtain the page boundary coordinate that the page moves the browsing pages in the laggard access customer visual field, this page boundary coordinate becomes (0,100) and (240,420).When carrying out the second time when mobile, the page boundary coordinate that then will move the browsing pages that enters the user visual field of back acquisition for the first time adds that the page the when page moves for the second time moves side-play amount, thus the page boundary coordinate of the browsing pages that enters the user visual field after obtaining to move for the second time.So analogize, when carrying out the n time page when moving, the page boundary coordinate that the n-1 time page moved the browsing pages in the laggard access customer visual field adds that the page that the n time page moves moves side-play amount, obtains the page boundary coordinate that the n time page moves the browsing pages in the laggard access customer visual field.
Obtaining as mentioned above behind the page boundary coordinate of the browsing pages that advances into the user visual field, the lower end page boundary coordinate that should advance into the browsing pages in the user visual field compares with the lower end page boundary coordinate that advances into the browsing pages in the user visual field earlier.For example, as mentioned above, when the user utilize for the first time move the page 100 on mouse or the cursor after, on move the browsing pages that advances into the user visual field the page boundary coordinate be (0,0) and (240,320), and on move the browsing pages in the laggard access customer visual field the page boundary coordinate become (0,100) and (240,420).The lower end page boundary coordinate of above-mentioned two page boundary coordinates is compared, that is, (240,320) and (240,420) are compared.Obviously, the page boundary coordinate that moves the browsing pages in the laggard access customer visual field on the page has exceeded the page boundary coordinate that moves the browsing pages that advances into the user visual field.。Thus, can judge has new picture to enter user's the visual field, and promptly ought advance on the browsing pages in the user visual field needs to present new picture.If the user utilizes mouse or cursor that the page is moved down 20mm once more, be that to move side-play amount be-20 to the page, the page boundary coordinate that then moves down the browsing pages in the laggard access customer visual field becomes (0,80) and (240,400), because the lower end page boundary coordinate (240 in this page boundary coordinate, 400) less than the lower end page boundary coordinate (240 of the browsing pages that advances into the user visual field earlier, 420), therefore being judged as does not have new picture to enter user's the visual field, thereby is not needing to present new picture on the browsing pages that advances into the user visual field.
Here be noted that in other embodiments, also can with on the page that produces when moving the page move side-play amount and be set at negative value, and will move down the page that the page produces move side-play amount be set on the occasion of.
Here being noted that and adopting the mode of coordinate comparison to judge whether need to present new picture on the current browsing pages, only is exemplary.The present invention is not limited to this, can also adopt other suitable methods in this area to carry out above-mentioned judgement.
Being judged as after needing to present new picture on the browsing pages that advances into the user visual field, proceed to step S130.Do not need to present new picture if be judged as on the browsing pages that advances into the user visual field, then flow process finishes.
In step S130, utilize the picture initial data of institute's buffer memory to create the new picture that will show.Then, flow process proceeds to step S140.In step S140, (that is, ought advance on the browsing pages in the user visual field) the new picture that demonstration is created on the screen of portable terminal.
Fig. 2 shows the flow chart based on the image converting method of portable terminal according to another embodiment of the present invention.With the flow chart shown in Fig. 1, shown in figure 2 in the flow chart of image converting method, step S210, S220, S250, S260 respectively with Fig. 1 in S110, S120, S130, S140 identical.Difference only is, also includes step S230 and S240 in the flow chart of Fig. 3.In order to make specification more succinct, only difference is described in detail below, and omission is to the detailed description of same steps as.
As shown in Figure 2, when being judged as in step S220 when needing to present new picture on the browsing pages that advances into the user visual field, flow process proceeds to step S230.In step S230, judge whether the free memory capacity in the portable terminal enough is used for the picture that buffer memory will be created.For example, deduct the shared memory size of having created of picture, obtain the free memory capacity of portable terminal by total memory size with portable terminal.Then, the required content capacity of picture that the free memory capacity and the buffer memory of portable terminal will be created compares, to judge whether enough to be used for the picture that buffer memory will be created.When being judged as the free memory capacity when enough being used for picture that buffer memory will create, flow process proceeds to step S250.When being judged as the free memory capacity when being fewer than the picture that buffer memory will create, flow process proceeds to step S240.
In step S240, deletion is when advancing into the picture that does not show in the browsing pages in the user visual field, to discharge the shared content space of picture that does not show from the picture of having created.For example, page boundary coordinate and current page according to the display screen of the page boundary coordinate of memory size, window coordinates, the current browsing pages of user, portable terminal move side-play amount, adopt accurate Matching Algorithm to come from the picture of having created deletion when advancing into the picture that does not show in the browsing pages in the user visual field.Will be discussed in more detail below about adopting accurate Matching Algorithm to delete the detailed process that ought advance into the picture that does not show in the browsing pages in the user visual field.Aforesaid operations is carried out in circulation, and the free memory capacity in portable terminal enough is used for till the picture that buffer memory will create.Then, proceed to step S250.When being noted that the picture of having created in deletion here, the delete procedure that can also circulate is up to deleting till all pictures that do not show in the browsing pages that advances into the user visual field from the picture of having created.
Below will be according to an example of the present invention, how describe in detail according to memory size, the boundary coordinate of the page boundary coordinate of window label, the current browsing pages of user, the screen of portable terminal and the current page move side-play amount, adopt accurate Matching Algorithm to come to delete from the picture of having created when advancing into the picture that does not show in the browsing pages in the user visual field.In this example, suppose to preestablish on the internal memory picture capacity threshold and be limited to 80%, and the user when front opening three window label, what the user browsed at present is first labels page, the page boundary coordinate of the current browsing pages of user is (0,0) and (240,1240), the boundary coordinate of portable terminal is (0, the page boundary coordinate that enters the user visual field when 0) and (240,320), then initial is (0,0) and (240,320).When the user the page moves first the time the page to move side-play amount be 100, promptly the user utilizes when moving the page 100 on mouse or the cursor, the page boundary coordinate that the page moves the browsing pages in the laggard access customer visual field becomes (0,100) and (240,420).At this moment, exceeded the lower end page boundary coordinate (240,320) that advances into the user visual field earlier, can judge that then change has taken place the page area that enters the user visual field owing to work as the lower end page boundary coordinate (240,420) of the browsing pages that advances into the user visual field.At this moment, detect EMS memory occupation and whether surpass 80%, if surpass 80%, then judging needs deletion to create and left the picture that is comprised in the zone in the user visual field, promptly deleting boundary coordinate is (0,0) and picture in (240,100) zone or delete second labels page or the 3rd labels page is not all deleted at the picture in the user visual field at the picture in the user visual field or with all.Accurate matching algorithm in this example is write with software language according to above-mentioned reference factor; how to judge and to calculate and to change according to otherwise influences such as user's customs in this algorithm according to these reference factors; for example the internal memory picture capacity threshold upper limit is according to practical experience and predefined; can be 80%; also can be 70%, not influence protection scope of the present invention.For example when judging Out of Memory, the picture that leaves the user visual field in other labels of deletion is deleted the picture that leaves the user visual field in this label more earlier again.All right set memory picture capacity threshold lower limit when treating that EMS memory occupation is lower than 10% or 20%, just need not be carried out this algorithm again.
In step S250, utilize the picture initial data of institute's buffer memory, create new picture.After establishment makes new advances picture, in step S260, show the new picture of being created.
Abovely the image converting method based on portable terminal according to the embodiment of the invention is described with reference to Fig. 1, Fig. 2, Fig. 5 a-5c and instantiation.
Above-mentioned image converting method based on portable terminal of the present invention can adopt software to realize, also can adopt hardware to realize, or adopts way of hardware and software combination to realize.Fig. 3 and Fig. 4 show respectively according to an embodiment of the invention based on the picture conversion equipment 300 of portable terminal and 400 block diagram.
Fig. 3 shows the block diagram of picture conversion equipment 300 according to an embodiment of the invention.As shown in Figure 3, described picture conversion equipment 300 comprises buffer unit 310, monitoring unit 320, creating unit 330 and display unit 340.
Described buffer unit 310 is used for portable terminal Loads Image initial data by the connection network after, the picture initial data that buffer memory loaded.Described monitoring unit 320 is used to monitor the browsing pages when advancing into the user visual field, to judge in the browsing pages that advances into the user visual field whether need to present new picture.Preferably, described monitoring unit 320 can comprise comparing unit 321, is used for working as the page boundary coordinate of the browsing pages that advances into the user visual field and compares with the page boundary coordinate that advances into the browsing pages in the user visual field earlier.At the page boundary coordinate time that exceeds the browsing pages that advances into the user visual field earlier when the page boundary coordinate of browsing pages that advance into the user visual field, described monitoring unit 320 is judged as in the browsing pages that advance into the user visual field needs to present new picture.Describe in detail in the above about judging, do not repeat them here when advancing into the deterministic process that whether needs to present new picture on the browsing pages in the user visual field.
Judge need present new picture the time at described monitoring unit 320, described creating unit 330 utilizes the picture initial data of institute's buffer memory to create new picture.Then, described display unit 340 is being gone up the new picture that demonstration is created when the browsing pages (that is the screen of portable terminal) that advances into the user visual field.
Fig. 4 shows the block diagram based on the picture conversion equipment 400 of portable terminal of another embodiment of the present invention.As shown in Figure 4, described picture conversion equipment 400 comprises buffer unit 310, monitoring unit 320, judging unit 450, delete cells 460, creating unit 330 and display unit 340.Wherein, described monitoring unit 320 can also comprise comparing unit 321.Here, identical shown in the function of buffer unit 310, monitoring unit 320, comparing unit 321, creating unit 330 and display unit 340 and structure and Fig. 3 do not repeat them here.
Be defined as after needing to create new picture on the browsing pages that advances into the user visual field at monitoring unit 320, and before creating unit 330 was created new picture, described judging unit 450 judged whether the free memory capacity of portable terminal enough is used for the picture that buffer memory will be created.Enough be used for the picture that buffer memory will be created if be judged as the free memory capacity, then creating unit 330 is created new picture.
When the free memory capacity that is judged as portable terminal was not enough, delete cells 460 was deleted from the picture of having created when advancing into the picture that does not show in the browsing area in the user visual field.For example, page boundary coordinate and current page according to the display screen of the page boundary coordinate of memory size, window coordinates, the current browsing pages of user, portable terminal move side-play amount, adopt accurate Matching Algorithm to come the picture that does not show in the current browsing pages of deletion user from the picture of having created.Detailed description about above-mentioned delete procedure has been described in detail in the above, does not repeat them here.The above-mentioned delete procedure that circulates, up to described judging unit 450 be judged as the free memory capacity of portable terminal enough till.Then, creating unit 330 is created new picture.When being noted that the picture of having created in delete cells 460 deletions here, the delete procedure that can also circulate is up to deleting till all pictures that do not show in the browsing pages that advances into the user visual field from the picture of having created.
Need to prove, the deletion picture that relates in the description of above-mentioned execution mode all is meant the picture that deletion creates, it is not the initial data of deletion picture, the initial data of picture does not reclaim for repetition, for example calls initial data once more and create picture when the page reenters the user visual field.
It will be appreciated by those skilled in the art that image converting method and the device that propose for the invention described above, can also on the basis that does not break away from content of the present invention, make various improvement based on portable terminal.Therefore, protection scope of the present invention should be determined by the content of appending claims.

Claims (8)

1. image converting method based on portable terminal comprises:
Buffer memory is by connecting the picture initial data that network loads in portable terminal;
Monitor when the browsing pages that advances into the user visual field, to judge in the browsing pages that advances into the user visual field whether need to present new picture;
When needing to present new picture in the browsing pages that advances into the user visual field, utilize the picture initial data of institute's buffer memory to create new picture; And
On the browsing pages that advances into the user visual field, showing the picture of being created.
2. image converting method as claimed in claim 1, wherein, the step of monitoring when the browsing pages that advances into the user visual field also comprises:
To work as the page boundary coordinate of the browsing pages that advances into the user visual field and compare with the page boundary coordinate that advances into the browsing pages in the user visual field earlier, and
At the page boundary coordinate time that exceeds the browsing pages that advances into the user visual field earlier when the page boundary coordinate of browsing pages that advance into the user visual field, judging is needing to present new picture in the browsing pages that advance into the user visual field.
3. image converting method as claimed in claim 1, wherein, the step of utilizing the picture initial data of buffer memory to create new picture also comprises: judging after needing to present new picture in the browsing pages that advances into the user visual field and before creating new picture,
Whether the free memory capacity of judging portable terminal enough is used for the picture that buffer memory will be created;
When the free memory capacity that is judged as portable terminal is not enough, deletion is when advancing into the picture that does not show in the browsing pages in the user visual field from the picture of having created, till the free memory capacity of portable terminal is enough, perhaps up to from the picture of having created, deleting till all pictures that do not show in the browsing pages that advances into the user visual field.
4. image converting method as claimed in claim 3, wherein, deletion is that the page boundary coordinate and the current page of the display screen of page boundary coordinate, portable terminal according to memory size, window coordinates, the current browsing pages of user moves side-play amount when advancing into the picture that does not show in the browsing pages in the user visual field, utilizes accurate Matching Algorithm to finish.
5. picture conversion equipment based on portable terminal comprises:
Buffer unit is used for buffer memory by connecting the picture initial data that network loads;
Monitoring unit is used to monitor the browsing pages when advancing into the user visual field, to judge in the browsing pages that advances into the user visual field whether need to present new picture;
Creating unit is used for when the browsing pages that advances into the user visual field needs to present new picture, utilizes the picture initial data of institute's buffer memory to create new picture; And
Display unit is used for showing the new picture of being created on the browsing pages that advances into the user visual field.
6. picture conversion equipment as claimed in claim 5, wherein, described monitoring unit also comprises comparing unit, is used for working as the page boundary coordinate of the browsing pages that advances into the user visual field and compares with the page boundary coordinate that advances into the browsing pages in the user visual field earlier
Wherein, at the page boundary coordinate time that exceeds the browsing pages that advances into the user visual field earlier when the page boundary coordinate of browsing pages that advance into the user visual field, described monitoring unit is judged is needing to present new picture in the browsing pages that advance into the user visual field.
7. picture conversion equipment as claimed in claim 5 also comprises:
Judging unit is used for judging whether the free memory capacity of portable terminal enough is used for the picture that buffer memory will be created before creating new picture, and
Delete cells, be used for when the free memory capacity that is judged as portable terminal is not enough, deletion is when advancing into the picture that does not show in the browsing pages in the user visual field from the picture of having created, up to described judgment unit judges be the free memory capacity of portable terminal enough till, perhaps up to deletion from the picture of having created till all pictures that do not show in the browsing pages that advance into the user visual field.
8. picture conversion equipment as claimed in claim 7, wherein, described delete cells moves side-play amount according to the page boundary coordinate and the current page of the display screen of the page boundary coordinate of memory size, window coordinates, the current browsing pages of user, portable terminal, adopts accurate Matching Algorithm deletion when advancing into the picture that does not show in the browsing pages in the user visual field.
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