CN109215408A - A kind of drawing teaching auxiliary device extracted based on image outline - Google Patents

A kind of drawing teaching auxiliary device extracted based on image outline Download PDF

Info

Publication number
CN109215408A
CN109215408A CN201811384311.7A CN201811384311A CN109215408A CN 109215408 A CN109215408 A CN 109215408A CN 201811384311 A CN201811384311 A CN 201811384311A CN 109215408 A CN109215408 A CN 109215408A
Authority
CN
China
Prior art keywords
broken line
image
profile
module
image outline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811384311.7A
Other languages
Chinese (zh)
Inventor
周文博
李斌
孙晓东
黄琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South China University of Technology SCUT
Original Assignee
South China University of Technology SCUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN201811384311.7A priority Critical patent/CN109215408A/en
Publication of CN109215408A publication Critical patent/CN109215408A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/02Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B11/00Teaching hand-writing, shorthand, drawing, or painting
    • G09B11/10Teaching painting

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)

Abstract

The invention discloses a kind of drawing teaching auxiliary devices extracted based on image outline, comprising: image receiver module, profile extraction module and electronic painting screen;The profile extraction module is connect with image receiver module, electronic painting screen signal respectively;The image receiver module is used to receive the image of external equipment transmission, and image is sent to profile extraction module;Image is converted image outline by the profile extraction module, and image outline is sent to electronic painting screen;The electronic painting screen includes viewing area and drawing area, and the viewing area is for showing image outline, and the drawing area is for drawing profile.It is drawn the advantage is that: drawing beginner can be assisted to learn profile, there is good teaching efficiency.

Description

A kind of drawing teaching auxiliary device extracted based on image outline
Technical field
The present invention relates to drawing teaching auxiliary devices, and in particular to a kind of drawing teaching auxiliary extracted based on image outline Device.
Background technique
Drafting for the profile of image is the basis of drawing.Therefore, in the teaching process of drawing, for image outline Drafting teaching be drawing teaching basis.It is therefore proposed that a kind of beginner that can help to paint learns the drawing that profile is described Teaching auxiliary device is necessary.
Summary of the invention
In order to solve the above-mentioned problems of the prior art, it is an object of that present invention to provide one kind to be extracted based on image outline Drawing teaching auxiliary device.The present invention can extract the profile of image, and help beginner's study profile description of painting.
A kind of drawing teaching auxiliary device extracted based on image outline of the present invention, comprising: image receiver module, Profile extraction module and electronic painting screen;
The profile extraction module is connect with image receiver module, electronic painting screen signal respectively;
The image receiver module is used to receive the image of external equipment transmission, and image is sent to contours extract mould Block;
Image is converted image outline by the profile extraction module, and image outline is sent to electronic painting screen;
The electronic painting screen includes viewing area and drawing area, and the viewing area is described for showing image outline Drawing area for drawing profile.
Preferably, the image outline and the profile of drafting are combined by broken line collection, and the broken line set includes more Broken line;The broken line is made of multiple coordinate points.
It preferably, further include silhouette contrast module;The silhouette contrast module is drawn with profile extraction module, electronics respectively The connection of painted screen signal;
Image outline is sent to silhouette contrast module by the profile extraction module, and the electronic painting screen will be drawn Profile be sent to silhouette contrast module;
Image outline and the profile of drafting are carried out registration comparison by the silhouette contrast module, and obtain comparison knot Fruit.
Preferably, the folding that the silhouette contrast module passes through the broken line coordinate points of contrast images profile and the profile of drafting Line coordinates point obtains comparing result.
It preferably, further include demonstration module;The demonstration module is believed with profile extraction module and electronic painting screen respectively Number connection;
Image outline is sent to demonstration module by the profile extraction module, and the demonstration module is according to image outline Broken line set in each broken line length and coordinate points generate the demonstration video for drawing the image outline, and demonstration video is sent out It send to electronic painting screen and plays.
Preferably, the electronic painting screen is connect with a memory signals.
Preferably, the viewing area shows broken line according to the length of broken line in batches.
Preferably, broken line is divided into N number of batch according to the length of broken line by the viewing area, includes M item in each batch Broken line;The viewing area first shows the longer batch of broken line length, then shows the shorter batch of broken line length;Same batch Interior broken line according to broken line origin coordinates point position from top to bottom, successively shown by left-to-right.
A kind of drawing teaching auxiliary device extracted based on image outline of the present invention, the advantage is that, extraneous defeated Entering equipment can be video camera or the intelligent terminal with camera function, communicate to connect with image receiver module, can be by reality Contours extract is carried out after object shooting, teaching is described to drawing beginner's progress profile, drawing beginner can be certainly by the present apparatus The description of primary learning profile.
By the way that silhouette contrast module is arranged, the image outline that original image outline and painter are drawn is subjected to registration Comparison, allow painter grasp at any time oneself profile draw situation.The broken line of contrast images profile is long in demonstration video Degree and coordinate points, it is preferential to draw the longer broken line of length according to broken line length arrangement drawing order.Drawing broken line when ratio simultaneously Smaller from abscissa compared with cross, the ordinate of two endpoints of broken line, the biggish endpoint of ordinate starts to draw broken line.According to " first It is first left and then right under after upper " reasonable drawing order be that drawing beginner demonstrates profile and draws, make the teaching efficiency of the present apparatus more Well.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of drawing teaching auxiliary device extracted based on image outline of the present invention.
Description of symbols: 1- image receiver module, 2- profile extraction module, 3- electronic painting screen, 4- silhouette contrast mould Block, 5- demonstration module.
Specific embodiment
As shown in Figure 1, a kind of drawing teaching auxiliary device extracted based on image outline of the present invention, comprising: figure As receiving module 1, profile extraction module 2 and electronic painting screen 3;The profile extraction module 2 respectively with image receiver module 1,3 signal of electronic painting screen connects;The image receiver module 1 is used to receive the image of external equipment transmission, and by image It is sent to profile extraction module 2;Contours extract algorithm, the profile extraction module 2 are equipped in the profile extraction module 2 Image outline is converted by image by contours extract algorithm, and image outline is sent to electronic painting screen 3;The electronics Drawing screen 3 includes viewing area and drawing area, and the viewing area is for showing image outline, and the drawing area is for drawing wheel It is wide.
Image receiver module 1 is connect by communication interface or wireless transmission with external device communication.The external equipment It can be video camera or the intelligent terminal with camera function, such as mobile phone, tablet computer.In the use of the present invention, using intelligence Energy terminal shoots image, and the image of shooting is then sent to image receiver module 1.Image receiver module 1 will after receiving image Image is sent to profile extraction module 2.Profile extraction module 2 is based on contours extract algorithm and extracts image outline, and by the image Profile is saved in a manner of broken line set.Image outline is sent to electronics after generating image outline and drawn by profile extraction module 2 Painted screen 3.The electronic painting screen 3 includes viewing area and drawing area, and the top in drawing area is arranged in viewing area.Viewing area is used for Show image outline, drawing area is used to carry out profile drafting for user, and the image outline that user shows referring to viewing area exists Drawing area is drawn.By carrying out contours extract to image, and the image outline of extraction is used for profile and draws teaching, drawing Beginner can be with the description of autonomous learning profile by the present apparatus.Simultaneously because image receiver module 1 can be set with a variety of external worlds Standby to carry out image transmitting, the material for drawing profile is abundant.
The profile of the image outline and drafting is combined by broken line collection, and the broken line set includes a plurality of broken line; The broken line is made of multiple coordinate points.
It further include silhouette contrast module 4;The silhouette contrast module 4 respectively with profile extraction module 2, electronic painting screen The connection of 3 signals;Image outline is sent to silhouette contrast module 4, the electronic painting screen 3 by the profile extraction module 2 The profile of drafting is sent to silhouette contrast module 4;The silhouette contrast module 4 carries out image outline and the profile of drafting Comparison, and obtain registration result.
The broken line coordinate that the silhouette contrast module 4 passes through the broken line coordinate points of contrast images profile and the profile of drafting Point obtains registration result.
User can choose after drawing is complete to be compared with original image outline.Electronic painting screen 3 is being drawn The profile of drafting is sent to silhouette contrast module 4 after the completion.Original image outline is sent to profile by profile extraction module 2 Contrast module 4.Original image outline is compared silhouette contrast module 4 with the profile of drafting.Due to image outline and draw The profile of system saves in the form of broken line set.Pass through the numerical value of the coordinate points of each broken line in comparison broken line set Obtain the profile of drafting and the registration of original image outline.The registration the high, indicates the profile drawn and original image Profile is closer.User can clearly grasp the reduction degree for the profile drawn by silhouette contrast module 4.
The electronic painting screen 3 is connect with a memory signals.The profile that oneself is drawn can be stored in by user In memory.
The viewing area shows broken line according to the length of broken line in batches.It the viewing area will according to the length of broken line Broken line is divided into N number of batch, includes M broken line in each batch;The viewing area first shows the longer batch of broken line length, so The shorter batch of broken line length is shown afterwards;Broken line in same batch according to broken line origin coordinates point position from top to bottom, by It is left-to-right successively to show.The numerical value of M can be customized by users.Broken line is shown in batches according to the length of broken line, in same batch Broken line according to broken line origin coordinates point position from top to bottom, successively shown by left-to-right.User control viewing area into Row draw when, can be drawn according to the display order of broken line, make user according to " first grow after it is short, from top to bottom, by a left side to The sequence on the right side " draws profile, and the present apparatus is made to have more good teaching efficiency.
It further include demonstration module 5;The demonstration module 5 connects with profile extraction module 2 and 3 signal of electronic painting screen respectively It connects;Image outline is sent to demonstration module 5 by the profile extraction module 2, and the demonstration module 5 is according to image outline Each broken line length and coordinate points generate the demonstration video for drawing the image outline in broken line set, and demonstration video is sent to Electronic painting screen 3 plays.In demonstration module 5, demonstration module 5 determines to draw according to the broken line length in original image outline Sequentially, the longer broken line of length is preferentially drawn.Broken line is equally divided into N number of batch by demonstration module 5, includes M item in each batch Broken line;It is preferential to draw the longer batch of length when demonstrating profile drafting, then draw the shorter batch of length.For same Broken line in batch is drawn, then is successively drawn from top to bottom, by left-to-right according to the origin coordinates point position of broken line.It is single drawing When broken line, demonstration module compares the cross of the broken line two-end-point, ordinate value, preferentially draws since the biggish endpoint of ordinate System, if ordinate is identical, then preferentially draws since the lesser endpoint of abscissa.Demonstration module 5 is drawn according to above-mentioned comparing result Ratch is wide, and drawing process generation demonstration video is sent at electronic painting screen 3 and is played, and watches and learning for user.It presses Reasonable drawing order according to " first up and then down, first left and then right " is that drawing beginner demonstrates profile drafting, imitates the teaching of the present apparatus Fruit is better.
For those skilled in the art, it can make other each according to the above description of the technical scheme and ideas The corresponding change of kind and deformation, and all these changes and deformation all should belong to the protection model of the claims in the present invention Within enclosing.

Claims (8)

1. a kind of drawing teaching auxiliary device extracted based on image outline characterized by comprising image receiver module (1), Profile extraction module (2) and electronic painting screen (3);
The profile extraction module (2) is connect with image receiver module (1), electronic painting screen (3) signal respectively;
The image receiver module (1) is used to receive the image of external equipment transmission, and image is sent to contours extract mould Block (2);
Image is converted image outline by the profile extraction module (2), and image outline is sent to electronic painting screen (3);
The electronic painting screen (3) includes viewing area and drawing area, and the viewing area is described for showing image outline Drawing area is for drawing profile.
2. a kind of drawing teaching auxiliary device extracted based on image outline according to claim 1, which is characterized in that described Image outline and the profile of drafting be combined by broken line collection, the broken line set includes a plurality of broken line;The broken line by Multiple coordinate points compositions.
3. a kind of drawing teaching auxiliary device extracted based on image outline according to claim 2, which is characterized in that also wrap Include silhouette contrast module (4);The silhouette contrast module (4) is believed with profile extraction module (2), electronic painting screen (3) respectively Number connection;
Image outline is sent to silhouette contrast module (4) by the profile extraction module (2), the electronic painting screen (3) The profile of drafting is sent to silhouette contrast module (4);
Image outline and the profile of drafting are carried out registration comparison by the silhouette contrast module (4), and obtain comparing result.
4. a kind of drawing teaching auxiliary device extracted based on image outline according to claim 3, which is characterized in that described Silhouette contrast module (4) obtain comparison by the broken line coordinate points of the broken line coordinate points of contrast images profile and the profile of drafting As a result.
5. a kind of drawing teaching auxiliary device extracted based on image outline according to claim 2, which is characterized in that also wrap Include demonstration module (5);The demonstration module (5) is connect with profile extraction module (2) and electronic painting screen (3) signal respectively;
Image outline is sent to demonstration module (5) by the profile extraction module (2), and the demonstration module (5) is according to figure As profile broken line set in each broken line length and coordinate points generate and draw the demonstration video of the image outline, and will demonstration Video is sent to electronic painting screen (3) broadcasting.
6. a kind of drawing teaching auxiliary device extracted based on image outline according to claim 1, which is characterized in that described Electronic painting screen (3) connect with a memory signals.
7. a kind of drawing teaching auxiliary device extracted based on image outline according to claim 2, which is characterized in that described Viewing area show broken line in batches according to the length of broken line.
8. a kind of drawing teaching auxiliary device extracted based on image outline according to claim 7, which is characterized in that described Viewing area broken line is divided by N number of batch according to the length of broken line, include M broken line in each batch;The viewing area is first It shows the longer batch of broken line length, then shows the shorter batch of broken line length;Broken line in same batch is according to broken line Origin coordinates point position is successively shown from top to bottom, by left-to-right.
CN201811384311.7A 2018-11-20 2018-11-20 A kind of drawing teaching auxiliary device extracted based on image outline Pending CN109215408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811384311.7A CN109215408A (en) 2018-11-20 2018-11-20 A kind of drawing teaching auxiliary device extracted based on image outline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811384311.7A CN109215408A (en) 2018-11-20 2018-11-20 A kind of drawing teaching auxiliary device extracted based on image outline

Publications (1)

Publication Number Publication Date
CN109215408A true CN109215408A (en) 2019-01-15

Family

ID=64993209

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811384311.7A Pending CN109215408A (en) 2018-11-20 2018-11-20 A kind of drawing teaching auxiliary device extracted based on image outline

Country Status (1)

Country Link
CN (1) CN109215408A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109920301A (en) * 2019-03-25 2019-06-21 成都奇伟适度教育咨询有限公司 A kind of device of zero basic learning drawing
CN112396879A (en) * 2020-11-24 2021-02-23 贵州民族大学 Mathematical education system based on virtual reality

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998032107A1 (en) * 1997-01-21 1998-07-23 Agent Based Curricula, Inc. Method of and apparatus for teaching drawing, penmanship, and hand-eye-memory coordination
CN201392521Y (en) * 2009-02-25 2010-01-27 苏州瀚瑞微电子有限公司 Touch electronic blackboard
CN106409063A (en) * 2016-12-16 2017-02-15 北京奇虎科技有限公司 Robot painting teaching method and device and robot
JP2017037614A (en) * 2015-10-06 2017-02-16 チームラボ株式会社 Painting image display system
CN208027602U (en) * 2017-11-03 2018-10-30 安徽工程大学 A kind of drawing teaching demo system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998032107A1 (en) * 1997-01-21 1998-07-23 Agent Based Curricula, Inc. Method of and apparatus for teaching drawing, penmanship, and hand-eye-memory coordination
CN201392521Y (en) * 2009-02-25 2010-01-27 苏州瀚瑞微电子有限公司 Touch electronic blackboard
JP2017037614A (en) * 2015-10-06 2017-02-16 チームラボ株式会社 Painting image display system
CN106409063A (en) * 2016-12-16 2017-02-15 北京奇虎科技有限公司 Robot painting teaching method and device and robot
CN208027602U (en) * 2017-11-03 2018-10-30 安徽工程大学 A kind of drawing teaching demo system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109920301A (en) * 2019-03-25 2019-06-21 成都奇伟适度教育咨询有限公司 A kind of device of zero basic learning drawing
CN112396879A (en) * 2020-11-24 2021-02-23 贵州民族大学 Mathematical education system based on virtual reality

Similar Documents

Publication Publication Date Title
US20220051061A1 (en) Artificial intelligence-based action recognition method and related apparatus
CN104575132A (en) Interaction education method and system based on natural image recognition and reality augmentation technology
CN106652590A (en) Teaching method, teaching recognizer and teaching system
CN111641861B (en) Video playing method and electronic equipment
CN106547884A (en) A kind of behavior pattern learning system of augmentor
CN101551700B (en) Electronic game input device, electronic game machine and electronic game input method
CN109215408A (en) A kind of drawing teaching auxiliary device extracted based on image outline
CN107436921A (en) Video data handling procedure, device, equipment and storage medium
CN105183269B (en) Method for automatically identifying screen where cursor is located
CN105718111A (en) Interactive smart tablet and interaction method, way and system thereof
CN107817701A (en) Apparatus control method, device, computer-readable recording medium and terminal
CN110536095A (en) Call method, device, terminal and storage medium
CN102186035B (en) Method for displaying screen display information
CN104190063A (en) Posture recognition and remote training method and system based on smart phone
CN109660741B (en) Image conversion method, system, device, remote controller and storage medium
CN202270343U (en) Somatosensory interaction device
CN105323141A (en) Information transmission method and system based on image recognition and mobile terminal
CN203788377U (en) Voice switch channel LED TV
CN108038427B (en) Character recognition method and mobile terminal
CN206558024U (en) A kind of Shi Tu robots
CN104917878A (en) Method, device and system for intelligent wearable equipment to input numbers by utilizing gestures
CN108652211A (en) A kind of modularization intelligent dais
CN206353386U (en) A kind of digital education device based on augmented reality
CN107465910A (en) A kind of combination AR glasses carry out the method and system of AR information real time propelling movements
CN114114986A (en) Remote control device and system based on unmanned aerial vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190115

RJ01 Rejection of invention patent application after publication