CN105183950B - A kind of method and system for consulting engineering drawing based on mobile terminal - Google Patents
A kind of method and system for consulting engineering drawing based on mobile terminal Download PDFInfo
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- CN105183950B CN105183950B CN201510498902.7A CN201510498902A CN105183950B CN 105183950 B CN105183950 B CN 105183950B CN 201510498902 A CN201510498902 A CN 201510498902A CN 105183950 B CN105183950 B CN 105183950B
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Abstract
The present invention discloses a kind of method and system that engineering drawing is consulted based on mobile terminal, the method comprise the steps that A, by the drawing in acquisition for mobile terminal engineering drawing, the drawing characteristic information of drawing identified and is sent in local data base saved；B, it is gone forward side by side the identification of line character string by the drawing number on mobile scanning terminal engineering drawing, determines the drawing for needing to consult；C, the drawing consulted will be needed to be sent on the display screen of mobile terminal to show.User is set just can quickly to search the drawing of engineering drawing by mobile terminal, reduce the waste and the inconvenience for carrying a large amount of paper drawings that paper drawing is repeated print, and it is of the present invention that the system of engineering drawing is consulted without relying on network and manual operation based on mobile terminal, greatly facilitate user, the harm to human body and the pollution to environment are avoided, there is high practicability and good market application prospect.
Description
Technical field
The present invention relates to engineering drawing management field more particularly to a kind of methods for consulting engineering drawing based on mobile terminal
And system.
Background technique
Currently, CAD drawing technique is widely used in various fields such as industrialization engineering fields, engineering drawing kind
The various substantial amounts of class bring inconvenience to carrying and lookup, and paper drawing even more makes in duplicate printing and frequently
It causes largely to waste in.For example, to consult the shortcomings that method as follows for traditional drawing:
1. during the work time, due to needing to consult drawing at any time, staff must carry a large amount of drawing；With
Body carries a large amount of drawing and not only causes physical load to them, and it is greatly inconvenient to come to work belt, further increases them and is disliking
The security risk to work under bad environment；
2. a large amount of drawing often folds during the work time, drawing quality is influenced；It is easy to take off under high-intensitive exposure
Color, it is not easy to maintain；It is easy to cause damage, waste of resource in inclement weather；
3. part engineering drawing in multi-party cooperative working process due to constantly update, during updating drawing, with
The mode of drawing passes to each side and sees that the process efficiency of figure staff is low, and reaction is slow；
4. engineering blueprint generallys use template as base map, in addition the chemical substances such as developer solution and photosensitive material, in ammonia
It makes a blueprint under the action of gas；The nocuousness such as the harmful substance for being difficult to degrade of a large amount of manufacture and use generations of drawing and ammonia
Gas not only causes serious pollution to environment, also there is certain harm to human body.
For traditional drawing consult method defect, had using two dimensional code and directly using electronic edition drawing come into
Drawing is completely or partially saved the update and maintenance that can greatly reduce drawing by the method that row is consulted in the form of picture
The manpower and material resources of consuming easily facilitate storage, modification, inquiry, exchange, are inevitable development trends, do with no paper at all to following
Public affairs have important social reality meaning.However there is also certain defects for both methods.Such as part drawing is known
For planar bar code technology (such as patent of application number CN201410598425.7) has not been used with matching, the disadvantage is that:
1. online drawing matching, excessively dependence internet must could be completed by accessing network；
2. the stickup etc. of two dimensional code needs to increase manual operation, and manual operation has the risk centainly to malfunction.
And for directly using electronic edition (CAD diagram paper) in the terminal, the disadvantage is that:
1.CAD drawing needs to buy drawing picture library；
2. electronic edition (CAD) drawing does not have the stamped signature of check of drawings mechanism due to not having affixing one's seal for the relevant departments such as designing institute
Condition, being not legally authorized can not use in real engineering as manufacture bases；
3. a large amount of CAD diagram paper is searched not only cumbersome but also time-consuming manually.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide one kind consults engineering drawing based on mobile terminal
The method and system of paper, it is intended to solve the waste and carry a large amount of paper drawings that paper drawing is repeated print in the prior art
Inconvenience or the problems such as need to relying on network, manual operation and cannot accepting and believing as manufacture bases using electronic edition drawing when.
Technical scheme is as follows:
A method of engineering drawing is consulted based on mobile terminal, wherein the following steps are included:
A, by with the drawing of drawing number, identifying that the drawing in drawing is special in acquisition for mobile terminal engineering drawing
Reference breath, and drawing and its drawing characteristic information are saved into local data base；
B, it when user needs to consult the drawing of engineering drawing, is compiled by the drawing on mobile scanning terminal engineering drawing
It number goes forward side by side the identification of line character string, searches the drawing characteristic information to match with the drawing number in the local database, determine
The drawing for needing to consult；
C, the drawing consulted will be needed to be sent on the display screen of mobile terminal to show.
The method for consulting engineering drawing based on mobile terminal, wherein the step A is specifically included:
A1, pretreatment: it by including the drawing of drawing characteristic information in acquisition for mobile terminal engineering drawing, and goes
Except the interference information in drawing；
A2, positioning: the drawing characteristic information in pretreated drawing is positioned, determines drawing characteristic information
Position；
A3, segmentation and extraction: carrying out image segmentation to the drawing, the drawing feature in drawing after extracting segmentation
Information；
A4, identification and preservation: identifying the drawing characteristic information in the drawing, and by the drawing and its figure
As information characteristics are saved into local data base.
The method for consulting engineering drawing based on mobile terminal, wherein the step B is specifically included:
B1, when user needs to consult the drawing of engineering drawing, pass through the drawing on mobile scanning terminal engineering drawing
Number；
B2, character string identification is carried out to the drawing number, and carries out string searching in the local database, search with
The drawing characteristic information that the drawing number matches；
B3, the drawing characteristic information found is matched with drawing number, and is ranked up according to matching degree, marked
Preceding several drawings of maximum matching degree determine the drawing for needing to consult.
A kind of system that engineering drawing is consulted based on mobile terminal, wherein the system comprises:
Recording module, for by with the drawing of drawing number, identifying full-page proof in acquisition for mobile terminal engineering drawing
Drawing characteristic information in figure, and drawing and its drawing characteristic information are saved into local data base；
When retrieval module, drawing for needing to consult engineering drawing as user, pass through mobile scanning terminal engineering drawing
Drawing number on paper is gone forward side by side the identification of line character string, and it is special to search the drawing to match with the drawing number in the local database
Reference breath, determines the drawing for needing to consult；
Reading module is shown for the drawing for needing to consult to be sent on the display screen of mobile terminal.
The system for consulting engineering drawing based on mobile terminal, wherein the recording module specifically includes:
Pretreatment unit, for by include in acquisition for mobile terminal engineering drawing drawing characteristic information drawing,
And remove the interference information in drawing；
Positioning unit, for being positioned to the drawing characteristic information in pretreated drawing, determine drawing feature
The position of information；
Segmentation and extraction unit, the figure in drawing for carrying out image segmentation to the drawing, after extracting segmentation
Paper characteristic information；
Identification and storage unit, for being identified to the drawing characteristic information in the drawing, and by the drawing
And its image information feature is saved into local data base.
The system for consulting engineering drawing based on mobile terminal, wherein the searching module specifically includes:
When number scanning element, drawing for needing to consult engineering drawing as user, pass through mobile scanning terminal work
Drawing number on journey drawing；
Character string recognition unit is used to carry out character string identification to the drawing number, and carries out in the local database
String searching searches the drawing characteristic information to match with the drawing number；
Image matching unit, the drawing characteristic information for will find are matched with drawing number, and according to matching
Degree is ranked up, and is marked preceding several drawings of maximum matching degree, is determined the drawing for needing to consult.
The utility model has the advantages that a kind of method and system for being consulted engineering drawing based on mobile terminal of the present invention, are needed by typing
The drawing consulted repeatedly is simultaneously saved, and each drawing has a matching drawing number；Carrying out drawing
, only need to be by the drawing number on Scan Engineering Drawings when access, line character string of going forward side by side identification finds out matching degree highest
Drawing, and be sent to mobile terminal and shown, user is made just quickly to search the big of engineering drawing by mobile terminal
Master drawing reduces waste and the inconvenience for carrying a large amount of paper drawings that paper drawing is repeated print, and of the present invention
The system that engineering drawing is consulted based on mobile terminal greatly facilitates user without relying on network and manual operation, avoids pair
The harm of human body and pollution to environment have high practicability and good market application prospect.
Detailed description of the invention
Fig. 1 is the method flow diagram of the present invention that engineering drawing is consulted based on mobile terminal.
Fig. 2 is the specific flow chart of the present invention that step S100 in the method for engineering drawing is consulted based on mobile terminal.
Fig. 3 is the specific flow chart of the present invention that step S200 in the method for engineering drawing is consulted based on mobile terminal.
Fig. 4 is the system structure diagram of the present invention that engineering drawing is consulted based on mobile terminal.
Fig. 5 is the structural schematic diagram in the embodiment of the method for the present invention for consulting engineering drawing based on mobile terminal.
Specific embodiment
The present invention provide it is a kind of based on mobile terminal consult engineering drawing method and system, for make the purpose of the present invention,
Technical solution and effect are clearer, clear, and the present invention is described in more detail below.It should be appreciated that described herein
Specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
Referring to Figure 1, as shown, the present invention provides a kind of method for consulting engineering drawing based on mobile terminal, wherein
The following steps are included:
S100, the drawing by having drawing number in acquisition for mobile terminal engineering drawing, identify the figure in drawing
Paper characteristic information, and drawing and its drawing characteristic information are saved into local data base；
S200, when user needs to consult the drawing of engineering drawing, pass through the figure on mobile scanning terminal engineering drawing
Paper numbers the identification for line character string of going forward side by side, and searches the drawing characteristic information to match with the drawing number in the local database,
Determine the drawing for needing to consult；
S300, the drawing consulted will be needed to be sent on the display screen of mobile terminal show.
A kind of method and system that engineering drawing is consulted based on mobile terminal of the present invention, need to be consulted repeatedly by typing
Drawing is simultaneously saved, and each drawing has a matching drawing number；When carrying out drawing access, only need
By the drawing number on Scan Engineering Drawings, line character string of going forward side by side identification finds out the matching highest drawing of degree, and
It is sent to mobile terminal to be shown, so that user just can be quickly searched the drawing of engineering drawing by mobile terminal, reduce
Waste that paper drawing is repeated print and the inconvenience for carrying a large amount of paper drawings, and of the present invention it is based on mobile terminal
The system of engineering drawing is consulted without relying on network and manual operation, greatly facilitates user, avoid harm to human body and
Pollution to environment has high practicability and good market application prospect.
In industrialization engineering field, drawing is also known as detail drawing, refers to the detail view of certain a part in engineering drawing, this
" drawing " is unified in patent.Drawing is usually a complete drawing or image, facilitates the image procossing in later period.Specifically
Ground is taken pictures by mobile terminal in the step s 100, by the drawing typing mobile terminal in engineering drawing, to drawing
In picture feature information identified and saved identification content, the local data base being stored in mobile terminal.It needs to illustrate
That the present invention completes the access of drawing on mobile terminals, such as by the camera of mobile terminal by drawing into
Row scanning, and be stored in the local data base of mobile terminal, when being consulted, by matched drawing in the aobvious of mobile terminal
It is shown in display screen, is consulted using the portable mobile terminal of user, it can be greatly user-friendly.
In general, the drawing in engineering drawing all has a corresponding drawing number, will own in advance
Drawing be stored in the local data base of mobile terminal, when user inquires, then by scanning drawing compile
Number and inquired, so that it may obtain with the highest several drawings of the drawing number matching degree (in the terminal can basis
Matching degree is ranked up drawing, is shown according to the sequence of matching degree from high to low, and be presented to use with graphic form
Family, such as it can show that 4 before matching degree drawings are shown.Wherein the drawing of institute's typing is and need to retrieve full-page proof
The drawing characteristic information of figure is corresponding in some way, is extracted with different algorithms to specific image feature information.
By the invention it is possible to the drawing of engineering drawing all be saved in the form of picture, to reduce the update of drawing
And maintenance cost is modified convenient for storage, inquires, paperless office is tentatively accomplished in exchange；Meanwhile the drawing of mobile terminal is consulted
System, can be to avoid inconvenience caused by a large amount of drawing of carrying, and improves working efficiency by quickly searching drawing.
Further, as shown in Fig. 2, the step S100 is specifically included:
S101, pretreatment: it by including the drawing of drawing characteristic information in acquisition for mobile terminal engineering drawing, and goes
Except the interference information in drawing；
S102, positioning: the drawing characteristic information in pretreated drawing is positioned, determines drawing characteristic information
Position；
S103, segmentation and extraction: carrying out image segmentation to the drawing, and the drawing in drawing after extracting segmentation is special
Reference breath；
S104, identification and preservation: identifying the drawing characteristic information in the drawing, and by the drawing and its
Image information feature is saved into local data base.
Fig. 3 is referred to, as shown in figure 3, step S200 of the present invention is specifically included:
S201, when user needs to consult the drawing of engineering drawing, pass through the figure on mobile scanning terminal engineering drawing
Paper number；
S202, character string identification is carried out to the drawing number, and carries out string searching in the local database, searched
The drawing characteristic information to match with the drawing number；
S203, the drawing characteristic information found is matched with drawing number, and is ranked up according to matching degree, marked
The preceding several drawings for remembering maximum matching degree, determine the drawing for needing to consult.
In other words, the step S200 is also required to by the operation similar with step S100, such as pretreatment, segmentation, feature
Extract and identify preservation etc., with step S100 the difference is that after identification and preservation, it also will do it of drawing
Match, i.e., the information that scanning obtains is matched with the information of drawing, be ranked up in matching result according to matching degree, marks
Preceding several drawings of maximum matching degree, such as 4 before matching degree drawings are presented to the user.
S300 is entered step, with the display mode of preview picture, the drawing after label is sent out from local data base
It send to the display screen of mobile terminal, is supplied to user and consults.
Technical solution provided by the invention is described further with reference to the accompanying drawing.As shown in figure 5, if user wants to look into
See a certain drawing in engineering drawing, it is only necessary to all drawings of the prior typing of mobile terminal, then scan and need to retrieve full-page proof
The characteristic information of figure, so that it may the drawing needed.
It should be noted that the range that user chooses should be as far as possible when choosing typing drawing and retrieval drawing
It is clear and more slightly larger than the information in drawing characteristic information region, but cannot be too big, the otherwise Partial Feature meeting of multiselect
Drawing information, influences the accuracy of search result required for influencing.For convenient for scanned picture information, mobile terminal can be with
The tools such as rectangle frame are provided for user, user can choose information to be scanned by choosing rectangle frame.Determining typing figure
As after, process step is with described in previous step S100-S300, and details are not described herein.
Below by taking Hu moment characteristics as an example, illustrate the extraction process of drawing characteristic information parameter: step 1 is done in target area
Certain pretreatment；Step 2 will be extracted from the pretreated image of drawing characteristic information；Step 3, according in geometry
Heart square calculates Hu square；Step 4 extracts relevant feature, last result can according to the similarity Shared Decision Making of several features,
The decision mode used can be classifier.One or more pictures that matching degree in matching result is greater than threshold value are shown to use
Family.Matching value sequence to all photos to be searched, maximum matching value is that matching degree is highest.According to matching degree from height to
Search result is shown to user by low sequence.
In addition, as shown in figure 4, the present invention also provides it is a kind of based on mobile terminal consult engineering drawing system, feature
It is, the system comprises:
Recording module 100, for by the way that with the drawing of drawing number, identification is big in acquisition for mobile terminal engineering drawing
Drawing characteristic information in master drawing, and drawing and its drawing characteristic information are saved into local data base；
When retrieval module 200, drawing for needing to consult engineering drawing as user, pass through mobile scanning terminal engineering
Drawing number on drawing is gone forward side by side the identification of line character string, searches the drawing to match with the drawing number in the local database
Characteristic information determines the drawing for needing to consult；
Reading module 300 is shown for the drawing for needing to consult to be sent on the display screen of mobile terminal.
Further, the recording module specifically includes:
Pretreatment unit, for by include in acquisition for mobile terminal engineering drawing drawing characteristic information drawing,
And remove the interference information in drawing；
Positioning unit, for being positioned to the drawing characteristic information in pretreated drawing, determine drawing feature
The position of information；
Segmentation and extraction unit, the figure in drawing for carrying out image segmentation to the drawing, after extracting segmentation
Paper characteristic information；
Identification and storage unit, for being identified to the drawing characteristic information in the drawing, and by the drawing
And its image information feature is saved into local data base.
Preferably, the searching module specifically includes:
When number scanning element, drawing for needing to consult engineering drawing as user, pass through mobile scanning terminal work
Drawing number on journey drawing；
Character string recognition unit is used to carry out character string identification to the drawing number, and carries out in the local database
String searching searches the drawing characteristic information to match with the drawing number；
Image matching unit, the drawing characteristic information for will find are matched with drawing number, and according to matching
Degree is ranked up, and is marked preceding several drawings of maximum matching degree, is determined the drawing for needing to consult.
The specific implementation step of the heretofore described system that engineering drawing is consulted based on mobile terminal refers to above-mentioned base
The method detailed process of engineering drawing is consulted in mobile terminal, details are not described herein.
In conclusion a kind of method and system for being consulted engineering drawing based on mobile terminal of the present invention, are needed by typing
The drawing consulted repeatedly is simultaneously saved, and each drawing has a matching drawing number；Carrying out drawing
, only need to be by the drawing number on Scan Engineering Drawings when access, line character string of going forward side by side identification finds out matching degree highest
Drawing, and be sent to mobile terminal and shown, user is made just quickly to search the big of engineering drawing by mobile terminal
Master drawing reduces waste and the inconvenience for carrying a large amount of paper drawings that paper drawing is repeated print, and of the present invention
The system that engineering drawing is consulted based on mobile terminal greatly facilitates user without relying on network and manual operation, avoids pair
The harm of human body and pollution to environment have high practicability and good market application prospect.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (2)
1. a kind of method for consulting engineering drawing based on mobile terminal, which comprises the following steps:
A, by with the drawing of drawing number, identifying the drawing feature letter in drawing in acquisition for mobile terminal engineering drawing
Breath, and drawing and its drawing characteristic information are saved into local data base；
B, when user needs to consult the drawing of engineering drawing, simultaneously by the drawing number on mobile scanning terminal engineering drawing
The identification of character string is carried out, searches the drawing characteristic information to match with the drawing number in the local database, determines and needs
The drawing of access；
C, the drawing consulted will be needed to be sent on the display screen of mobile terminal to show；
The drawing is the detail view of certain a part in engineering drawing, is complete drawing or image；
The step A is specifically included:
A1, pretreatment: taken pictures by mobile terminal obtain include in engineering drawing drawing characteristic information drawing, and remove
Interference information in drawing；
A2, positioning: the drawing characteristic information in pretreated drawing is positioned, determines the position of drawing characteristic information
It sets；
A3, segmentation and extraction: carrying out image segmentation to the drawing, the drawing feature letter in the drawing after extracting segmentation
Breath；
A4, identification and preservation: identifying the drawing characteristic information in the drawing, and the drawing and its image are believed
Breath feature is saved in the form of picture into local data base；
The step B is specifically included:
B1, when user needs to consult the drawing of engineering drawing, pass through the drawing number on mobile scanning terminal engineering drawing；
B2, character string identification is carried out to the drawing number, and carries out string searching in the local database, searched and the figure
Paper numbers the drawing characteristic information to match；
B3, the drawing characteristic information found is matched with drawing number, and is ranked up according to matching degree, label is maximum
Preceding several drawings of matching degree determine the drawing for needing to consult；
When choosing typing drawing and retrieval drawing, the range that user chooses should be clear and believes including entire drawing feature
Cease the information in region；
For convenient for scanned picture information, user can be selected information to be scanned by choosing the rectangle frame that mobile terminal provides
In.
2. a kind of system for consulting engineering drawing based on mobile terminal, which is characterized in that the system comprises:
Recording module, for by with the drawing of drawing number, identifying in drawing in acquisition for mobile terminal engineering drawing
Drawing characteristic information, and drawing and its drawing characteristic information are saved into local data base；
When retrieval module, drawing for needing to consult engineering drawing as user, by mobile scanning terminal engineering drawing
Drawing number go forward side by side the identification of line character string, search the drawing feature to match with the drawing number in the local database and believe
Breath determines the drawing for needing to consult；
Reading module is shown for the drawing for needing to consult to be sent on the display screen of mobile terminal；
The drawing is the detail view of certain a part in engineering drawing, is complete drawing or image；
The recording module specifically includes:
Pretreatment unit, for taken pictures by mobile terminal obtain include in engineering drawing drawing characteristic information drawing,
And remove the interference information in drawing；
Positioning unit, for being positioned to the drawing characteristic information in pretreated drawing, determine drawing characteristic information
Position；
Segmentation and extraction unit are used to carry out image segmentation to the drawing, and the drawing in drawing after extracting segmentation is special
Reference breath；
Identification and storage unit, for being identified to the drawing characteristic information in the drawing, and by the drawing and its
Image information feature is saved in the form of picture into local data base；
The retrieval module specifically includes:
When number scanning element, drawing for needing to consult engineering drawing as user, pass through mobile scanning terminal engineering drawing
Drawing number on paper；
Character string recognition unit is used to carry out character string identification to the drawing number, and carries out character in the local database
String is searched, and the drawing characteristic information to match with the drawing number is searched；
Image matching unit, the drawing characteristic information for will find are matched with drawing number, and according to matching degree into
Row sequence marks preceding several drawings of maximum matching degree, determines the drawing for needing to consult；
When choosing typing drawing and retrieval drawing, the range that user chooses should be clear and believes including entire drawing feature
Cease the information in region；
For convenient for scanned picture information, user can be selected information to be scanned by choosing the rectangle frame that mobile terminal provides
In.
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| CN107958121B (en) * | 2017-11-30 | 2019-01-29 | 连云港美步家居有限公司 | The product processing method and system bored based on five faces |
| CN109684751B (en) * | 2018-12-27 | 2022-11-15 | 中民筑友科技投资有限公司 | Method, device, equipment and system for calling large sample graph of fabricated building |
| CN112861713B (en) * | 2021-02-06 | 2022-10-25 | 贵州博汇云技术开发有限公司 | Large-scale drawing multi-piece local amplification contrast analysis system |
| CN112883446B (en) * | 2021-03-23 | 2023-07-07 | 广东电网有限责任公司 | Set-up diagram screening method, device, equipment and storage medium |
| CN117195338A (en) * | 2023-09-11 | 2023-12-08 | 广州水纹厨房工程设计有限公司 | Automatic generation method and device of product design diagram, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104408161A (en) * | 2014-12-08 | 2015-03-11 | 周理 | Mould CAD drawing query based on similarity query and management method |
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| CN103324614A (en) * | 2012-03-19 | 2013-09-25 | 富泰华工业（深圳）有限公司 | Method and device for image recognition and search |
| CN103309995A (en) * | 2013-06-21 | 2013-09-18 | 南京市水利规划设计院有限责任公司 | Automatic CAD drawing processing system and method |
| CN103984774A (en) * | 2014-06-06 | 2014-08-13 | 国家电网公司 | Method and system for viewing drawings of substation |
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| CN104408161A (en) * | 2014-12-08 | 2015-03-11 | 周理 | Mould CAD drawing query based on similarity query and management method |
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