CN104715505A - Three-dimensional head portrait generating system and generating device and generating method thereof - Google Patents
Three-dimensional head portrait generating system and generating device and generating method thereof Download PDFInfo
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- CN104715505A CN104715505A CN201510121065.6A CN201510121065A CN104715505A CN 104715505 A CN104715505 A CN 104715505A CN 201510121065 A CN201510121065 A CN 201510121065A CN 104715505 A CN104715505 A CN 104715505A
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Abstract
The invention discloses a three-dimensional head portrait generating system. The system comprises a server and one or more communication devices, and each communication device is in communication connection with the server and stores a body datum from the server in advance. The server transmits a facial feature datum and a facial model datum to each communication device. Each communication device adjusts the body datum according to the facial feature datum and the facial model datum and generates a three-dimensional head portrait according to the facial model datum and a body datum which is obtained after adjustment. The invention further discloses a three-dimensional head portrait generating device and a three-dimensional head portrait generating method.
Description
Technical field
System of the present invention produces system and its apparatus, production method about a kind of three-dimensional head portrait.
Background technology
In the life of today, along with the erection threshold continuous decrease of communication apparatus, widely using of device for mobile communication, the use of network world and fictitious situation is more and more easily convenient, and the ratio occupying modern one time is also more and more higher.
Because drop into much time and emotion, user payes attention to managing " oneself " increasingly in network or virtual world.Passing use word or numeral characterize obviously not enough as identity, even if various medium of communication or community website all design and allow user that photo or photo sticker can be utilized to carry out identification identity afterwards, or highlight personal style, but be rest on the plane stage eventually, and user cannot be allowed to produce a virtual sensation on screen of oneself can appearing vividly.
For head it off, develop at present the technology of a kind of visual human occasionally male earner (English can be referred to as Avatar), mainly produce complexion oneself three-dimensional head portrait similar on the electronic device, and then develop into three-dimensional humanoid, as the representative at network or virtual world.But the application of this technology only terminates at present sets up very many face, hair style, shape of face and figure module in a database, user can be combined according to the vivid Choosing module of oneself.Even if the module combined can also carry out the manual fine-tuning in thin portion, but interpersonal appearance difference is variation so, use limited module to replace and be really difficult to produce the real highly similar virtual image of complexion.
In view of this, the present inventor thinks and a kind of three-dimensional head portrait produces system and communication device, production method, through the combination of face's related data of ferritic and user, produce the three-dimensional head portrait that similarity is high, and because ferritic is stored in the device of user in advance, and face's related data receives and obtains, do not need by device by oneself, so contribute to the hardware threshold reducing processing time and device.Once after having very alike three-dimensional head portrait, user can produce visual human's occasionally male earner of tool height oneself representativeness or identity easily, increases the use temperament and interest of network world or fictitious situation.
Summary of the invention
The object of the present invention produces system and communication device, production method for providing a kind of three-dimensional head portrait, through the combination of face's related data of ferritic and user, produce the three-dimensional head portrait that similarity is high, and because ferritic is stored in the device of user in advance, and face's related data receives and obtains, do not need by device by oneself, so contribute to the hardware threshold reducing processing time and device.Once after having very alike three-dimensional head portrait, user can produce visual human's occasionally male earner of tool height oneself representativeness or identity easily, increases the use temperament and interest of network world or fictitious situation.
In the present invention, institute is referred to as head portrait and inessential biology or the physiological whole human body head of comprising, but is at least included in face.In other words, the three-dimensional head portrait of the present invention's generation mainly produces three-dimensional face, and can not produce the position of significant difference because of different people for restriction will produce the hair that comprises or hindbrain etc.
For reaching above-mentioned purpose, producing system according to a kind of three-dimensional head portrait of the present invention and comprising a server and at least one communication device.Communication device is connected with server communication, and storage comes from one of server ferritic data in advance.Server transmits face feature data and a facial model data to communication device.Communication device is according to face feature data and facial model data adjustment ferritic data, and communication device produces a three-dimensional head portrait according to the ferritic data after facial model data and adjustment.
For reaching above-mentioned purpose, according to a kind of three-dimensional head portrait generation device of the present invention.Three-dimensional head portrait generation device comprises a transmission unit, a storage element and a processing unit.Storage element stores ferritic data in advance.Processing unit is electrically connected with transmission unit and storage element respectively.Processing unit according to face feature data and facial model data adjustment ferritic data, and produces a three-dimensional head portrait according to the ferritic data after facial model data and adjustment.
For reaching above-mentioned purpose, according to a kind of three-dimensional head portrait production method of the present invention.This three-dimensional head portrait production method system is applied to a server and at least one communication device, and communication device is connected with server communication.Three-dimensional head portrait production method comprises the following steps: store in advance with communication device and come from one of server ferritic data; Face feature data and a facial model data is transmitted to communication device with server; With communication device according to face feature data and facial model data adjustment ferritic data; And produce a three-dimensional head portrait with communication device according to the ferritic data after facial model data and adjustment.
In one embodiment, ferritic data system comes from a server.
In one embodiment, face feature data or facial model data system are by a server foundation one plane head portrait gained, and plane head portrait system is corresponding with three-dimensional head portrait.
In one embodiment, face feature data comprise a plurality of facial feature points, ferritic data comprise at least one characteristic area, characteristic area comprises a plurality of characteristic areas unique point, a plurality of facial feature points is corresponding individually with a plurality of characteristic area unique point system, and processing unit adjusts the volume coordinate of a plurality of characteristic areas unique point according to a plurality of facial feature points.
In one embodiment, facial model data comprises a plurality of faces loci, ferritic data comprise a plurality of ferritic loci, and a plurality of faces loci is corresponding individually with a plurality of ferritic loci system, for processing unit in conjunction with facial model data and ferritic data.
In one embodiment, processing unit system changes the volume coordinate of a part for ferritic data according to facial model data.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of one of three-dimensional head portrait generation system of the present invention embodiment.
Fig. 2 for shown in the embodiment of the present invention communication device display ferritic data time schematic diagram.
Fig. 3 is Fig. 2 shownschematically ferritic schematic diagram after flag sign point.
Fig. 4 is the schematic diagram of the result capturing facial feature points in the embodiment of the present invention from plane head portrait.
Fig. 5 is the schematic diagram of facial model data in the present embodiment.
Fig. 6 is schematic diagram when carrying out ferritic data point reuse according to the embodiment of the present invention.
Fig. 7 carries out according to the embodiment of the present invention schematic diagram that facial model is combined with ferritic contraposition.
Fig. 8 is the flow chart of steps of the three-dimensional head portrait production method according to the embodiment of the present invention.
Description of reference numerals is as follows:
1: three-dimensional head portrait produces system
2: communication device
3: server
21,31: transmission unit
22,32: storage element
23,33: processing unit
24: display unit
4: characteristic area
41: characteristic area unique point
5: plane head portrait
51: facial feature points
6: facial model data
61: face's loci
71: ferritic loci
S1 ~ S4: step.
Embodiment
Hereinafter with reference to correlative type, illustrate that the three-dimensional head portrait of present pre-ferred embodiments produces system and communication device, production method.
Fig. 1 is the system architecture schematic diagram of one of three-dimensional head portrait generation system of the present invention embodiment, as shown in Figure 1, the three-dimensional head portrait of the present embodiment produces system 1 and comprises at least one communication device 2 and a server 3, be preferably and can comprise most communication devices 2 simultaneously, operate for most users simultaneously.
Communication device 2 can be the Video Camera of intelligent mobile phone, flat computer, mobile digital assistant, tool network savvy, Wearable device, desktop computer, notebook computer or any device with network savvy.In the present embodiment, communication device 2 is illustrate for intelligent mobile phone, and in the mode of radio communication, is connected with server 3 communication through the Internet.But in other embodiments, communication device 2 also can be the notebook computer or desktop computer that operate in fixed location.
Server 3 comprises transmission unit 31, storage element 32 and one or more processing unit 33, and storage element 32 and transmission unit 31 are connected with processing unit 33 communication respectively.Following for embodiment in, server 3 is carry out computing and process through processing unit 33, carries out data transmission through transmission unit 31, and stores relevant data through storage element 32.
Communication device 2 comprises transmission unit 21, storage element 22, processing unit 23 and a display unit 24.Transmission unit 21, storage element 22 and display unit 24 are electrically connected with processing unit 23 respectively.
User can first utilize the transmission unit 21 of communication device 2 to receive the application program (APP) come from server 3, and application program is stored to storage element 22.Owing to including ferritic data (doll data) in this application program, so while this application program of download, communication device 2 has also downloaded ferritic data.In other words, before executive utility, ferritic data have been stored in the storage element 22 of communication device 2 in advance.Ferritic means the model with groups of people's bodily form frame or profile, such as head model, or the whole body model of the present embodiment, the schematic diagram during head portion that Fig. 2 is the communication device display ferritic data shown in the embodiment of the present invention.
In the present embodiment, ferritic data, after communication device 2 is opened, can demonstrate a humanoid image of three-dimensional, and this 3-dimensional image at least comprise a face on display unit 24.As shown in Figure 2, ferritic data comprise complete head, trunk and four limbs, and head front is face, face have the face such as eyebrow, eye ear muzzle.The foundation of ferritic data can download by server 3 somatic data comprising face data, and the mode through three-dimensional modeling is reached.
Fig. 3 is Fig. 2 shownschematically ferritic schematic diagram after flag sign point.Please refer to Fig. 3, the ferritic data of the present embodiment are when setting up, and definition eyebrow, face and shape of face are characteristic area 4, have a plurality of characteristic areas unique point 41 in each characteristic area 4.For eyes, characteristic area unique point 41 is that in other words, the characteristic area unique point 41 in eye feature district 4 arranges out the profile of eyes according to the arrangement of around eyes profile.The spatial coordinate location of each characteristic area unique point 41 is recorded in ferritic data respectively.Wherein, spatial coordinate location produce method can be with the central point of face for reference coordinate, calculate the relative spatial co-ordinates of each characteristic area unique point 41.In addition, each characteristic area unique point 41 has respective accession designation number, have 87 characteristic area unique points 41 in the present embodiment, be distributed in such as but not limited in the characteristic areas 4 such as eyebrow, eyes, nose, face, ear, so numbering sequentially by a numbering to 80 No. seven, using as the recognition method between each point.Only should be noted that, in order to avoid, drawing is too numerous and diverse hinders understanding, 87 characteristic area unique points 41 is not all marked in Fig. 3.
Shown in the present embodiment Fig. 2 and Fig. 3, showing the non-steps necessary for producing three-dimensional head portrait of ferritic data through communication device 2, namely not necessarily will show after ferritic data storage, can also be stored in merely in storage element 22, for follow-up.
When user wishes to set up a three-dimensional head portrait, the application program that communication device 2 is interior can be started, and upload an image to server 3.Can analyze it after server 3 receives this image.In the present embodiment, user can utilize communication device 2 to take oneself a plane head portrait, namely has the photo of image of face, uploads onto the server 3 to analyze.Certainly, in other embodiments, the photo being stored in communication device 2 or any other place or image also can be used to substitute.
After plane head portrait is sent to server 3, the processing unit 33 of server 3 can according to the face feature in algorithm or software program identification plane head portrait, to form face feature data.Specifically, processing unit 33 can according to the algorithm relevant with image identification or software program identification plane head portrait, with difference wherein such as but not limited to representational specific regions of tool face feature such as eyebrow, face and shapes of face, then arrange out the profile in those regions with plurality of points.Then, it is facial feature points that server 3 captures those points, then is formed by those facial feature points or jointly form face feature data again with other guide, just achieves the feature of face.Fig. 4 is the schematic diagram of the result capturing facial feature points in the present embodiment from plane head portrait.Please refer to Fig. 4, the present embodiment system analyzes plane head portrait 5 with active appearance models algorithm (Active Appearance Model is called for short AAM), and obtains 87 facial feature points 51 altogether.These 87 facial feature points 51 also have accession designation number, and are corresponding with the characteristic area unique point 41 of ferritic data, use for carrying out adjustment ferritic face feature in the future.In order to avoid, drawing is too numerous and diverse hinders understanding, is not all marked by 87 facial feature points 51 equally in Fig. 4.
Certainly, for promoting effect of active appearance models algorithm, can also first carry out training in addition through a group or more reference image before the use, for further improving active appearance models algorithm, in the process of acquisition facial feature points 51, can also to arrange in pairs or groups model prediction simultaneously, and the process of skin color range differentiation in YCbCr color space.
Meanwhile, the processing unit 33 of server 3 also can according to Fig. 4 shownschematically plane head portrait 5 carry out identification, to produce a facial model data.A large amount of facial model can be stored, only slightly difference between each model in the storage element 32 of server 3.The processing unit 33 of server 3 can according to above-mentioned acquisition to the geometric center position of set of facial feature points 51 be normative reference, the set of facial feature points 51 is divided into a coordinate system, and carry out similarity computing according to the distance of center and each facial feature points 51 with angle, thus find out similarity the higher person in facial model data storehouse.Please refer to Fig. 5, it is the schematic diagram of the way selection facial model out according to the present embodiment.
Facial model data 6 comprises a plurality of faces loci 61.Face's loci 61 is give tacit consent in each facial model data, and the arrangement of face's loci 61 can form the profile of facial model in fact, as shown in Figure 5.
Face feature data and facial model data can be sent to communication device 2 through transmission unit 31 by server 3.After communication device 2 receives these two data with transmission unit 21, communication device 2 can carry out following action with processing unit 23.Fig. 6 is schematic diagram when carrying out ferritic data point reuse according to the embodiment of the present invention.Please refer to Fig. 6, first, processing unit 23 can utilize the accession designation number relation in face feature data in facial feature points 51 and ferritic data between characteristic area unique point 41, according to the volume coordinate of each facial feature points 51, revise the volume coordinate of each characteristic area unique point 41 respectively, result can change the arrangement of characteristic area unique point 41, thus location of pixels when making ferritic data be shown changes, allow the face of ferritic, such as but not limited to face relative position, expression etc., seem the face of almost plane head portrait 5.In an aspect of the present embodiment, processing unit 23 first calculates the volume coordinate difference between the identical facial feature points of accession designation number 51 and characteristic area unique point 41, recycle radial basis function (Radial basisfunction, RBF) difference is used for revising ferritic data by the software systems of the similar neural network of this kind, network, makes the face of ferritic can present the complexion of closely plane head portrait 5.
Fig. 7 carries out according to the present embodiment the schematic diagram that facial model is combined with ferritic contraposition.Please also refer to Fig. 7 and Fig. 3, because face's loci 61 has respective accession designation number, relative in addition, the ferritic data being stored in communication device 2 interior also have ferritic loci 71 and have accession designation number equally, therefore facial model according to the accession designation number relation between the two loci, can be combined with ferritic by processing unit 23.Above-mentioned steps is similar in ferritic " architrave skin ", being namely attached in ferritic by picking out the facial model with almost plane head portrait 5 shape of face feature, allowing ferritic have the shape of face feature of plane head portrait 5, wealthy etc. such as but not limited to shape of face width, point.
But, because the shape of face of ferritic is default standard shape of face, must has after facial model is combined with ferritic and there are differences.For example, when plane head portrait 5 is when belonging to narrow face pointed chin, facial model is also narrow face pointed chin, if be attached in ferritic by this kind of facial model, can there is ferritic at two cheek places and protrude in the three-dimensional head portrait shown, but have the problem in space between chin place facial model and ferritic.Now, processing unit 23 needs face's loci 61 of foundation facial model again to adjust the ferritic loci 71 of ferritic.In the present embodiment, the adjustment of processing unit 23 is the volume coordinates changing ferritic loci 71, related location of pixels when ferritic data are shown changes, thus when facial model and ferritic are shown jointly, therebetween ferritic can not be had to protrude, or between facial model and ferritic, have the problem in space.Because the volume coordinate of adjustment ferritic loci 71 can make ferritic loci 71 draw close to geometric center position or away from, the effect shown is removed as allotrope or adds a part.
Then, the ferritic data that processing unit 23 can will be adjusted through face feature data and facial model data, are jointly shown in display unit 24 with facial model data, can produce the three-dimensional head portrait corresponding with plane head portrait 5.Further illustrate again, in the three-dimensional head portrait namely shown, face, eyebrow etc. be to come from by face feature data point reuse after ferritic data, and the face part of coated face comes from facial model data.In the three-dimensional head portrait of display, by processing unit 23, the ferritic data after adjustment and facial model data further can be combined, to show again according to the single data after combination; In addition, can certainly separate the form of two parts of data, and do not shown by processing unit 23, and maintain suitable relative position through loci and show, the present invention does not limit at this.
Certainly, the steps of above-mentioned two adjustment ferritic data there is no fixing executions sequencing, namely first adjust ferritic data shape of face with facial model data, then with face feature data point reuse ferritic face etc. also without can not.
In other embodiments of the present invention, ferritic data also can only have above the waist, head, even only have face, look closely user and wish the three-dimensional humanoid image of generation will comprise how many parts except face.
In other embodiments of the present invention, the processing unit 23 of communication device 2 after three-dimensional head portrait produces, can carry out pinup picture to three-dimensional head portrait in addition, has hair, glasses, beard or even other clothing components to make three-dimensional head portrait.Pinup picture can be reached through the mode that loci is auxiliary equally.Specifically, three-dimensional head portrait can have the loci of hair, and the hair module that user selects also has loci, two loci is fitted in space, namely makes its volume coordinate identical, hair module namely can be made to be combined with three-dimensional head portrait.Certainly, other as glasses, beard etc. part pinup picture can also mode carry out like this.
In other embodiments of the present invention, the three-dimensional head portrait of generation can be combined with the background of setting again, and with the people fictionalizing user, occasionally male earner is anywhere or the sensation of environment; Or three-dimensional head portrait can be sent to as data and carry out 3 D-printing, with output entity dummy; Or three-dimensional head portrait can also be made electronic card or paster, the present invention does not limit at this.
Again in other embodiments of the present invention, after plane head portrait uploads onto the server, server first can carry out noise reduction (noise reduction) or skin makeup (skin beautifier) process to plane head portrait, to make follow-up identification more accurate, or the three-dimensional head portrait generated is more bright good-looking.
The present invention separately discloses a kind of three-dimensional head portrait generation device.Three-dimensional head portrait generation device comprises a transmission unit, a storage element and a processing unit.Storage element stores ferritic data in advance.Processing unit is electrically connected with transmission unit and storage element respectively.Processing unit according to face feature data and facial model data adjustment ferritic data, and produces a three-dimensional head portrait according to the ferritic data after facial model data and adjustment.But the technology contents of this three-dimensional head portrait generation device is all roughly the same with the communication device of aforementioned three-dimensional head portrait system with implementation detail, with reference to aforementioned, can repeat no more in this.
Fig. 8 is the flow chart of steps of the three-dimensional head portrait production method according to one embodiment of the invention.Please refer to Fig. 8, the present invention separately discloses a kind of three-dimensional head portrait production method.This three-dimensional head portrait production method system is applied to a server and at least one communication device, and communication device is connected with server communication.Three-dimensional head portrait production method comprises the following steps: store in advance with communication device and come from one of server ferritic data (S1); Face feature data and a facial model data is transmitted to communication device (S2) with server; With communication device according to face feature data and facial model data adjustment ferritic data (S3); And produce a three-dimensional head portrait (S4) with communication device according to the ferritic data after facial model data and adjustment.But, technology contents and the implementation detail of this production method all produce the performed technology contents of system with aforementioned three-dimensional head portrait and implementation detail roughly the same, with reference to aforementioned, can repeat no more in this.
In sum, the process of long-range or high in the clouds is utilized to obtain to produce three-dimensional head portrait must face the excessive transmission of data volume difficult, cause the problem that generation speed is excessively slow, but produce system and communication device, production method according to the three-dimensional head portrait of the present invention, through storing ferritic data in advance in communication device, receive face feature data again and facial model data adjusts, thus generation three-dimensional head portrait, huge three-dimensional ferritic data influence transmission speed can be avoided, thus promote the generation efficiency of three-dimensional head portrait.Further, can balance local side hardware resource deficiency through the present invention cannot high speed processing three-dimensional data, and long-range or that high in the clouds process volume of transmitted data is excessive problem, allow visual human occasionally male earner can more easily be applied difference towards.
Relative to the form of the generation of three-dimensional head portrait being given completely communication device or server process, the invention provides more efficient hardware resource and use.In addition, although the download of ferritic data comparatively spended time, it is longer that user is easier to admit down load application program (APP) time of installing first time, but not will want but also will take time when using application program, meets the phychology of consumer.
The foregoing is only illustrative, but not be restricted person.Any spirit and category not departing from the present invention, and to its equivalent modifications of carrying out or change, all should be contained in rear attached claim.
Claims (10)
1. a three-dimensional head portrait generation device, comprising:
One transmission unit;
One storage element, stores ferritic data in advance; And
One processing unit, is electrically connected with this transmission unit and this storage element respectively,
Wherein, this transmission unit receives face feature data and a facial model data, this processing unit adjusts this ferritic data according to these face feature data and this facial model data, and produces a three-dimensional head portrait according to these ferritic data after this facial model data and adjustment.
2. three-dimensional head portrait generation device as claimed in claim 1, wherein this ferritic data system comes from a server.
3. three-dimensional head portrait generation device as claimed in claim 1, wherein these face feature data or this facial model data system are by a server according to a plane head portrait gained, and this plane head portrait system is corresponding with this three-dimensional head portrait.
4. three-dimensional head portrait generation device as claimed in claim 1, wherein these face feature data comprise a plurality of facial feature points, these ferritic data comprise at least one characteristic area, this characteristic area comprises a plurality of characteristic areas unique point, this a plurality of facial feature points is corresponding individually with this plurality of characteristic area unique point system, and this processing unit adjusts the volume coordinate of this plurality of characteristic areas unique point according to this plurality of facial feature points.
5. three-dimensional head portrait generation device as claimed in claim 1, wherein this facial model data comprises a plurality of faces loci, these ferritic data comprise a plurality of ferritic loci, this a plurality of faces loci is corresponding individually with this plurality of ferritic loci system, for this processing unit in conjunction with this facial model data and this ferritic data.
6. three-dimensional head portrait produces a system, comprising:
One server; And
At least one communication device, be connected with this server communication, and storage comes from one of this server ferritic data in advance, this server transmits face feature data and a facial model data to this communication device, this communication device adjusts this ferritic data according to these face feature data and this facial model data, and this communication device produces a three-dimensional head portrait according to these ferritic data after this facial model data and adjustment.
7. three-dimensional head portrait as claimed in claim 6 produces system, and wherein these face feature data or this facial model data system are by this server according to a plane head portrait gained, and this plane head portrait system is corresponding with this three-dimensional head portrait.
8. three-dimensional head portrait as claimed in claim 6 produces system, wherein these face feature data comprise a plurality of facial feature points, these ferritic data comprise at least one characteristic area, this characteristic area comprises a plurality of characteristic areas unique point, this a plurality of facial feature points is corresponding individually with this plurality of characteristic area unique point system, and this communication device adjusts the volume coordinate of this plurality of characteristic areas unique point according to this plurality of facial feature points.
9. three-dimensional head portrait as claimed in claim 6 produces system, wherein this facial model data comprises a plurality of faces loci, these ferritic data comprise a plurality of ferritic loci, this a plurality of faces loci is corresponding individually with this plurality of ferritic loci system, for this communication device in conjunction with this facial model data and this ferritic data.
10. a three-dimensional head portrait production method, it is be applied to a server and at least one communication device, and this communication device is connected with this server communication, and this three-dimensional head portrait production method comprises the following steps:
Store in advance with this communication device and come from one of this server ferritic data;
Face feature data and a facial model data is transmitted to this communication device with this server;
This ferritic data are adjusted according to these face feature data and this facial model data with this communication device; And
A three-dimensional head portrait is produced according to these ferritic data after this facial model data and adjustment with this communication device.
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| CN111833236A (en) * | 2019-04-21 | 2020-10-27 | 未来市股份有限公司 | Method and device for generating three-dimensional face model simulating user |
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