CN110503891A - A kind of electronic bill-board transform method and its system based on distance change - Google Patents
A kind of electronic bill-board transform method and its system based on distance change Download PDFInfo
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- CN110503891A CN110503891A CN201910603707.4A CN201910603707A CN110503891A CN 110503891 A CN110503891 A CN 110503891A CN 201910603707 A CN201910603707 A CN 201910603707A CN 110503891 A CN110503891 A CN 110503891A
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- 230000008859 change Effects 0.000 title claims abstract description 21
- 239000000284 extract Substances 0.000 claims abstract description 13
- 238000011897 real-time detection Methods 0.000 claims abstract description 4
- 238000000605 extraction Methods 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 8
- 230000001174 ascending effect Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000010076 replication Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
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- 230000001747 exhibiting effect Effects 0.000 description 1
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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Abstract
The invention discloses a kind of electronic bill-board transform method and its system based on distance change, comprising the following steps: obtain the image of electronic bill-board ambient enviroment in real time；Using electronic bill-board as the center of circle, the first pre-determined distance is that radius establishes preset range；All goal-sellings are extracted out of preset range according to image；The distance between each goal-selling of real-time detection and electronic bill-board；Extract the smallest first distance of numerical value from the distance received, and with apart from corresponding first object；The first scaling of content in electronic bill-board is set according to first distance and is controlled the content of electronic bill-board and is shown with the first scaling；The second distance for being merely greater than first distance, and the second target corresponding with second distance are extracted from the distance received；The second scaling of content in electronic bill-board is set according to second distance；When point first object leaves preset range, controls the content of electronic bill-board and shown with the second scaling.
Description
Technical field
The present invention relates to electronic bill-board field, in particular to a kind of electronic bill-board transform method based on distance change
And its system.
Background technique
Billboard is a kind of outdoor media for transmitting advertising information, common on the market.Traditional electronic bill-board is one
A advertising, advertisement capacity is extremely limited on billboard, and advertising results are single, and ad content also can only be according to fixed
Sequence is timed update, not enough services for different users.
In addition, the effect of billboard is that exhibiting advertising content to user, and the observing effect of user more its with it is wide
Accusing the distance between board has highly important relationship, if the two distance is farther out, user can not observe the content for understanding billboard,
If the two is closer, then a large amount of lengths are occupied in the case that font is too big, causing can not to the interested user of advertisement
Recognize more contents, current billboard can not provide good service based on distance for user.
Summary of the invention
Goal of the invention: in order to overcome the disadvantage in background technique, the embodiment of the invention provides one kind to be based on distance change
Electronic bill-board transform method and its system, the problem of can effectively solve the problem that involved in above-mentioned background technique.
A kind of technical solution: electronic bill-board transform method based on distance change, comprising the following steps:
Photographic device by being placed outside electronic bill-board obtains the image of the electronic bill-board ambient enviroment and by institute
It states image and is sent to remote server；
Using the electronic bill-board as the center of circle, the first pre-determined distance is that radius establishes preset range, and the preset range is covered
Capping product is less than the monitoring area coverage of the photographic device；
The remote server extracts all goal-sellings according to the image out of described preset range, described default
Target includes pedestrian and vehicle；
By each goal-selling of infrared distance sensor real-time detection and the electronics that are placed outside the electronic bill-board
The distance is simultaneously sent to the remote server by the distance between billboard；
The remote server extracts the smallest first distance of numerical value from the distance received, and with it is described
First object is defined as apart from corresponding goal-selling, and by the goal-selling；
The remote server sets the first scaling of content in electronic bill-board according to the first distance；
The remote server is controlled the content of the electronic bill-board and is shown with first scaling；
The remote server extracts the second distance for being merely greater than first distance from the distance received, and
Goal-selling corresponding with the second distance, and the goal-selling is defined as the second target；
The remote server sets the second scaling of content in electronic bill-board according to the second distance；
The remote server judges whether the first object leaves preset range according to the first distance；
It is shown if so, the remote server controls the content of the electronic bill-board with second scaling.
As a kind of preferred embodiment of the invention, the remote server is mentioned out of described preset range according to the image
Take out all goal-sellings further include:
The remote server locks the goal-selling, judges the goal-selling at a distance from the electronic bill-board
Whether growth trend is kept；
If so, deleting the goal-selling.
As a kind of preferred embodiment of the invention, further includes:
Increase auxiliary information, the default display scale on the electronic bill-board is 1:1, when first scaling or
When second scaling is less than 1, the remote server increases the display auxiliary information on the electronic bill-board.
As a kind of preferred embodiment of the invention, further includes:
Content on electronic bill-board is arranged according to importance ascending order, when first scaling or second contracting
When putting ratio greater than 1, content is deleted from electronic bill-board according to putting in order, until the electronic bill-board can be complete
Display.
As a kind of preferred embodiment of the invention, further includes:
By the electronic bill-board zonal control, when the first distance of the first object and the electronic bill-board is less than
When the second pre-determined distance, the remote server controls the electronic bill-board and ad content is replicated display, and first area is set
It is placed in the edge of the electronic bill-board and is shown with the first preset ratio, second area is shown with the second preset ratio.
A kind of electronic bill-board transformation system based on distance change, comprising:
Image sending module is configured as the image of electronic bill-board ambient enviroment being sent to remote server；
Module is established, is configured as with the electronic bill-board as circle, the first pre-determined distance is that radius establishes default model
It encloses；
First extraction module is configured as extracting all goal-sellings out of described preset range；
Apart from sending module, it is configured as between the goal-selling for detecting infrared sensor and the electronic bill-board
Distance be sent to the remote server；
Second extraction module is configured as extracting the smallest first distance of numerical value from all distances；
First setting module is configured as setting the first pantograph ratio of content in electronic bill-board according to the first distance
Example；
Display control module, the content for being configured as controlling the electronic bill-board show at different scales and
Increase or delete display content；
Third extraction module is configured as extracting the second distance for being merely greater than first distance from all distances；
Second setting module is configured as setting the second pantograph ratio of content in electronic bill-board according to the second distance
Example；
First judgment module is configured as judging whether the first object leaves preset range according to first distance.
As a kind of preferred embodiment of the invention, further includes:
Second judgment module is configured as judging whether the goal-selling keeps increasing at a distance from the electronic bill-board
Long trend；
Removing module is configured as deleting goal-selling.
As a kind of preferred embodiment of the invention, further includes:
Increase module, is configured as increasing auxiliary information；
Whether third judgment module is configured as judging scaling less than 1.
As a kind of preferred embodiment of the invention, further includes:
Sorting module is configured as arranging the content on electronic bill-board according to importance ascending order；
4th judgment module is configured as judging whether scaling is greater than 1.
As a kind of preferred embodiment of the invention, further includes:
5th judgment module is configured as judging whether first distance is less than or equal to the second pre-determined distance；
Replication module is configured as controlling the electronic bill-board for ad content duplication display.
The present invention realize it is following the utility model has the advantages that
1, it is wide to be based on the distance between user and electronic bill-board adjustment for electronic bill-board transform method provided by the invention
The scaling for accusing content, allow users to it is more comfortable, clear, understand ad content in detail.
2, auxiliary information can be increased in electronic bill-board, when the scaling of remote server setting is less than 1, electronics
Blank parts are stored on billboard, auxiliary information is imported the blank parts by remote server, and user can be helped to understand more
More ad contents.
If ad content 3, is split as stem portion and by it according to importance ranking, when the scaling of remote server setting
When ratio is greater than 1, electronic bill-board is not enough to show whole ad contents, according to putting in order content from electronic bill-board
Middle deletion, until electronic bill-board can completely be shown.
4, when first distance is less than the second pre-determined distance, by the electronic bill-board multi-section display, can to difference away from
From user show ad content respectively.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and consistent with the instructions for explaining the principles of this disclosure.
Fig. 1 is a kind of electronic bill-board transform method flow chart based on distance change provided by the invention；
Fig. 2 is goal-selling delet method flow chart provided by the invention；
Fig. 3 be scaling provided by the invention less than 1 when display methods flow chart；
Fig. 4 is display methods flow chart when scaling provided by the invention is greater than 1；
Fig. 5 is partition display method flow chart provided by the invention；
Fig. 6 is a kind of electronic bill-board transformation system structural block diagram based on distance change provided by the invention.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
As shown in Figure 1, the present embodiment provides a kind of electronic bill-board transform method based on distance change, including following step
It is rapid:
S101: the photographic device by being placed outside electronic bill-board obtains the image of the electronic bill-board ambient enviroment simultaneously
The image is sent to remote server；
S102: using the electronic bill-board as the center of circle, the first pre-determined distance is that radius establishes preset range, the default model
Enclose the monitoring area coverage that area coverage is less than the photographic device；
S103: the remote server extracts all goal-sellings, institute according to the image out of described preset range
Stating goal-selling includes pedestrian and vehicle；
S104: by be placed outside each goal-selling of infrared distance sensor real-time detection of the electronic bill-board with it is described
The distance is simultaneously sent to the remote server by the distance between electronic bill-board；
S105: the remote server extracts the smallest first distance of numerical value from the distance received, and
With described apart from corresponding goal-selling, and the goal-selling is defined as first object；
S106: the remote server sets the first pantograph ratio of content in electronic bill-board according to the first distance
Example；
S107: the remote server is controlled the content of the electronic bill-board and is shown with first scaling；
S108: the remote server extracted from the distance received one be merely greater than first distance second away from
From, and goal-selling corresponding with the second distance, and the goal-selling is defined as the second target；
S109: the remote server sets the second pantograph ratio of content in electronic bill-board according to the second distance
Example；
S110: the remote server judges whether the first object leaves preset range according to the first distance；
S111: it is shown if so, the remote server controls the content of the electronic bill-board with second scaling
Show.
As shown in Fig. 2, the remote server extracts all default mesh according to the image out of described preset range
Mark further include:
The remote server locks the goal-selling, judges the goal-selling at a distance from the electronic bill-board
Whether growth trend is kept；
If so, deleting the goal-selling.
Specifically, in a step 101, in electronic bill-board there is the one side or the multi-lateral of display content several camera shooting dresses are arranged
It sets, the photographic device can obtain the image that electronic bill-board heads on and the image is sent to remote server.
In a step 102, the electronic bill-board is built-in with positioning device, the positioning device and the remote server
Connection, for obtaining the location information of the electronic bill-board and sending it to the remote server, the remote service
Device is circle with the location information, establishes preset range by radius of the first pre-determined distance, in the present embodiment, by described the
One pre-determined distance is set as 10 meters.
In step 103, remote server analyzes the image received, by the row of dynamic or static state in image
People, bicycle user, electric vehicle user and user vehicle are extracted as goal-selling.
At step 104, independent analysis is carried out to each goal-selling, is equipped with outside the electronic bill-board several infrared
Range sensor, each infrared distance sensor are connect equipped with runing rest, the runing rest with the remote server, can
The infrared distance sensor is driven to rotate to all directions, the remote server is according to the position control institute of each goal-selling
The steering of runing rest is stated, infrared distance sensor detection the distance between each goal-selling and the electronic bill-board are simultaneously
The distance is sent to the remote server.
In step 105, the remote server carries out numerical value comparison to the distance received, and therefrom extracts one
The smallest distance of numerical value is as first distance, and goal-selling corresponding with the first distance is as first object.
In step 106, the distance between goal-selling and electronic bill-board and pantograph ratio are preset in remote server
The corresponding relationship of example, wherein distance and scaling are proportional, i.e., apart from smaller, scaling is smaller, and distance is bigger, scaling
Ratio is bigger, and the remote server sets the first scaling according to the first distance.In step 107, described long-range
Server controls the electronic bill-board with the first scaling presenting advertising content, and with the variation of first distance,
The first scaling of synchronous vacations.
In step 108, other than scaling ad content according to nearest first object, the second target will also be set to it
Prepared scaling is carried out, the remote server extracts the distance conduct that a numerical value is merely greater than first distance from all distances
Second distance, will goal-selling corresponding with the second distance as the second target.
In step 109, the remote server sets the second scaling according to the second distance.
In step 110, first distance described in the remote server real-time judge whether be greater than described first it is default away from
From, if so, show that first object has left the preset range, at this point, without the first object is zoomed in and out it is aobvious
Show.
In step 111, the second distance that the remote server was sent according to infrared distance sensor the last time is more
New second scaling, and electronic bill-board is controlled with updated second scaling presenting advertising content, and with second
The variation of distance, the second scaling of synchronous vacations.
After first object leaves preset range, second target is equivalent to first object, in this example, distance electricity
A nearest goal-selling of sub- billboard substantially just can be used as first object, at this time, it is necessary to third target is set, it is described
Third target is equivalent to the second target, analogizes at this time.
Wherein, when electronic bill-board is that first object scales ad content, according to electronic bill-board and first object it
Between first distance adjust the first scaling in real time, when the first object is close to electronic bill-board, i.e. first distance
When reduction, first scaling is reduced, when the first object is far from electronic bill-board, i.e., when first distance increases,
Show that first object is moved backwards to electronic bill-board, at this point, first object can not view the ad content on electronic bill-board,
The first object is deleted, electronic bill-board will be no longer to the first object Zoom display, the remote server control electricity
Sub- billboard is with updated second scaling presenting advertising content.
Embodiment two
As shown in figure 3, increasing auxiliary information, the electronic bill-board the present embodiment provides the method for increasing display content
On default display scale be 1:1, when first scaling or second scaling are less than 1, the long-range clothes
Business device increases the display auxiliary information on the electronic bill-board.
As shown in figure 4, the content on electronic bill-board is arranged according to importance ascending order, when first scaling or
When second scaling is greater than 1, content is deleted from electronic bill-board according to putting in order, until the e-advertising
Board can completely be shown.
Specifically, since the area of electronic bill-board remains unchanged, when electronic bill-board is shown extensively with different zoom ratio
When accusing content, the displayable content quantity of electronic bill-board is also not quite similar, and in initial designs, the default of electronic bill-board is shown
Show that ratio is 1:1, under default display scale, electronic bill-board can show whole ad contents, when scaling is less than 1,
The reduced display of ad content, at this point, surplus blank parts on electronic bill-board, the present embodiment increases aobvious in the blank parts
Show content, provides more detailed ad content for goal-selling.
Firstly, auxiliary information is inputted in remote server in advance, when the first pantograph ratio of remote server setting
When example or the second scaling are less than 1, the remote server controls the electronic bill-board and integrally moves all ad contents
It moves to the edge of electronic bill-board, then the auxiliary information is successively imported to the blank parts in electronic bill-board, wherein in institute
Stating and inputting auxiliary information in remote server is in a fixed order, according to same when importing auxiliary information in electronic bill-board
The sequence of sample.
When scaling is greater than 1, ad content is displayed magnified, at this point, electronic bill-board can not be complete by ad content
Portion shows that the present embodiment selects display portion ad content,
Firstly, if all ad contents are split as stem portion in remote server in advance, and to it according to importance
Ascending order arrangement, when the first scaling or the second scaling that the remote server is set are greater than 1, the remote service
Device deletes first part's content according to putting in order in electronic bill-board, and whether the remote server judges electronic bill-board
It can show all remaining contents, if it is not, the remote server puts in order according to arrangement and deletes the second part, until
Electronic bill-board can show all remaining contents.
Embodiment three
As shown in figure 5, the present embodiment is by the electronic bill-board zonal control, when the first object and the electronics are wide
When accusing the first distance of board less than the second pre-determined distance, the remote server controls the electronic bill-board and answers ad content
System display, first area is set to the edge of the electronic bill-board and shown with the first preset ratio, and second area is with the
Two preset ratios are shown.
Specifically, by taking first object as an example, first distance and the first scaling are proportional, when first distance infinite tendency
When zero, the first scaling is also substantially equal to zero, at this point, blank is substantially equal on electronic bill-board, auxiliary information
Most of blank can not be occupied, the present embodiment carries out multi-section display to electronic bill-board.
The second pre-determined distance is set in remote server, in the present embodiment, is set second pre-determined distance to
0.5 meter, when first distance is less than the second pre-determined distance, then show a large amount of blank parts of surplus on electronic bill-board, it is long-range to take
Device be engaged in for ad content duplication display, the quantity of duplication is based on second distance, multiple if second distance is less than the second pre-determined distance
Twice, at this point, electronic bill-board is divided into two regions, first area is shown system with the first scaling, and second area is with the
Two scalings are shown.
Example IV
As shown in fig. 6, the present embodiment provides a kind of electronic bill-board transformation system based on distance change, comprising:
Image sending module 401 is configured as the image of electronic bill-board ambient enviroment being sent to remote server；It builds
Formwork erection block 402 is configured as with the electronic bill-board as circle, and the first pre-determined distance is that radius establishes preset range；
First extraction module 403 is configured as extracting all goal-sellings out of described preset range；
Apart from sending module 404, it is configured as the goal-selling for detecting infrared sensor and the electronic bill-board
The distance between be sent to the remote server；
Second extraction module 405 is configured as extracting the smallest first distance of numerical value from all distances；First
Setting module 406 is configured as setting the first scaling of content in electronic bill-board according to the first distance；
Display control module 407, the content for being configured as controlling the electronic bill-board are shown at different scales
And increase or delete display content；
Third extraction module 408, be configured as extracting from all distances one be merely greater than the second of first distance away from
From；
Second setting module 409 is configured as setting the second contracting of content in electronic bill-board according to the second distance
Put ratio；
First judgment module 410 is configured as judging whether the first object leaves preset range according to first distance；
Second judgment module 411 is configured as judging whether the goal-selling is protected at a distance from the electronic bill-board
Hold growth trend；
Removing module 412 is configured as deleting goal-selling；
Increase module 413, is configured as increasing auxiliary information；
Whether third judgment module 414 is configured as judging scaling less than 1；
Sorting module 415 is configured as arranging the content on electronic bill-board according to importance ascending order；
4th judgment module 416 is configured as judging whether scaling is greater than 1；
5th judgment module 417 is configured as judging whether first distance is less than or equal to the second pre-determined distance；
Replication module 418 is configured as controlling the electronic bill-board for ad content duplication display.
System provided by above-described embodiment four is only the example of the division of the above functional modules actually answered
In, it can according to need and be completed by different functional modules above-mentioned function distribution, i.e., divide the internal structure of system
At different functional modules, to complete all or part of the functions described above.
The above embodiments merely illustrate the technical concept and features of the present invention, and the purpose is to allow the skill for being familiar with the technical field
Art personnel can understand the content of the present invention and implement it accordingly, and can not be limited the scope of the invention with this.All bases
Equivalent changes or modifications made by spirit of the invention, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of electronic bill-board transform method based on distance change, it is characterised in that: the following steps are included:
Photographic device by being placed outside electronic bill-board obtains the image of the electronic bill-board ambient enviroment and by the shadow
As being sent to remote server；
Using the electronic bill-board as the center of circle, the first pre-determined distance is that radius establishes preset range, the preset range covering surface
Product is less than the monitoring area coverage of the photographic device；
The remote server extracts all goal-sellings, the goal-selling according to the image out of described preset range
Including pedestrian and vehicle；
By each goal-selling of infrared distance sensor real-time detection and the e-advertising that are placed outside the electronic bill-board
The distance is simultaneously sent to the remote server by the distance between board；
The remote server extracts the smallest first distance of numerical value from the distance received, and with the distance
Corresponding goal-selling, and the goal-selling is defined as first object；
The remote server sets the first scaling of content in electronic bill-board according to the first distance；
The remote server is controlled the content of the electronic bill-board and is shown with first scaling；
The remote server extracts the second distance for being merely greater than first distance from the distance received, and
Goal-selling corresponding with the second distance, and the goal-selling is defined as the second target；
The remote server sets the second scaling of content in electronic bill-board according to the second distance；
The remote server judges whether the first object leaves preset range according to the first distance；
It is shown if so, the remote server controls the content of the electronic bill-board with second scaling.
2. a kind of electronic bill-board transform method based on distance change according to claim 1, it is characterised in that: described
Remote server extracts all goal-sellings according to the image out of described preset range further include:
The remote server locks the goal-selling, judge the goal-selling at a distance from the electronic bill-board whether
Keep growth trend；
If so, deleting the goal-selling.
3. a kind of electronic bill-board transform method based on distance change according to claim 1, it is characterised in that: also wrap
It includes:
Increase auxiliary information, the default display scale on the electronic bill-board is 1:1, when first scaling or described
When second scaling is less than 1, the remote server increases the display auxiliary information on the electronic bill-board.
4. a kind of electronic bill-board transform method based on distance change according to claim 3, it is characterised in that: also wrap
It includes:
Content on electronic bill-board is arranged according to importance ascending order, when first scaling or second pantograph ratio
When example is greater than 1, content is deleted from electronic bill-board according to putting in order, until the electronic bill-board can completely be shown
Show.
5. a kind of electronic bill-board transform method based on distance change according to claim 1, it is characterised in that: also wrap
It includes:
By the electronic bill-board zonal control, when the first distance of the first object and the electronic bill-board is less than second
When pre-determined distance, the remote server controls the electronic bill-board and ad content is replicated display, and first area is set to
It the edge of the electronic bill-board and is shown with the first preset ratio, second area is shown with the second preset ratio.
6. a kind of electronic bill-board transformation system based on distance change, it is characterised in that: include:
Image sending module is configured as the image of electronic bill-board ambient enviroment being sent to remote server；
Module is established, is configured as with the electronic bill-board as circle, the first pre-determined distance is that radius establishes preset range；
First extraction module is configured as extracting all goal-sellings out of described preset range；
Apart from sending module, be configured as between the goal-selling for detecting infrared sensor and the electronic bill-board away from
From being sent to the remote server；
Second extraction module is configured as extracting the smallest first distance of numerical value from all distances；
First setting module is configured as setting the first scaling of content in electronic bill-board according to the first distance；
Display control module, the content for being configured as controlling the electronic bill-board show and increase at different scales
Or delete display content；
Third extraction module is configured as extracting the second distance for being merely greater than first distance from all distances；
Second setting module is configured as setting the second scaling of content in electronic bill-board according to the second distance；
First judgment module is configured as judging whether the first object leaves preset range according to first distance.
7. a kind of electronic bill-board transformation system based on distance change according to claim 6, it is characterised in that: also wrap
It includes:
Second judgment module is configured as judging whether the goal-selling keeps growth to become at a distance from the electronic bill-board
Gesture；
Removing module is configured as deleting goal-selling.
8. a kind of electronic bill-board transformation system based on distance change according to claim 6, it is characterised in that: also wrap
It includes:
Increase module, is configured as increasing auxiliary information；
Whether third judgment module is configured as judging scaling less than 1.
9. a kind of electronic bill-board transformation system based on distance change according to claim 6, it is characterised in that: also wrap
It includes:
Sorting module is configured as arranging the content on electronic bill-board according to importance ascending order；
4th judgment module is configured as judging whether scaling is greater than 1.
10. a kind of electronic bill-board transformation system based on distance change according to claim 6, it is characterised in that: also
Include:
5th judgment module is configured as judging whether first distance is less than or equal to the second pre-determined distance；
Replication module is configured as controlling the electronic bill-board for ad content duplication display.
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Citations (13)
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