CN108399651A - A kind of method of human body hair style three-dimensional modeling and Model Reuse - Google Patents
A kind of method of human body hair style three-dimensional modeling and Model Reuse Download PDFInfo
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- CN108399651A CN108399651A CN201810135979.1A CN201810135979A CN108399651A CN 108399651 A CN108399651 A CN 108399651A CN 201810135979 A CN201810135979 A CN 201810135979A CN 108399651 A CN108399651 A CN 108399651A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
- G06T2219/20—Indexing scheme for editing of 3D models
- G06T2219/2012—Colour editing, changing, or manipulating; Use of colour codes
Abstract
The invention discloses a kind of methods of human body hair style three-dimensional modeling and Model Reuse, belong to hair style design field, wherein by establishing hair style model head three-dimensional localization model and scalp state model, and information collection modeling is carried out to the corresponding hair style on its head, pass through the comparison of scalp status information in multiple user head three-dimensional localization model and hair style model head three-dimensional localization model, corresponding corrected parameter is determined to adjust hair style threedimensional model, it generates and answers the adaptable hair style threedimensional model in user head with hair style, complete multiplexing of the hair style on same individual or Different Individual.The human body hair style three-dimensional modeling of the present invention and the method for Model Reuse, the foundation and multiplexing of hair style model are simple, it is easy to operate, greatly promote hair style design and the sense of reality of multiplexing, and hair style model and human body head three-dimensional localization model one are set up, it can be repeatedly used, greatly reduce the design cost of hair style, there is great application and popularization value.
Description
Technical field
The invention belongs to hair style design fields, and in particular to a kind of method of human body hair style three-dimensional modeling and Model Reuse.
Background technology
With the continuous improvement of people's living standards, requirement of the people for hair style is also higher and higher, not only office
It is limited to previous simple living needs, but has higher requirement for it, generally requires to embody different individual character and not
Same aesthetical standard, to achieve the purpose that improve personal makings and image and glamour.
Hair style design is a comprehensive art, is related to suffering from the influence of many factors, head dummy, face such as human body
Type, face, stature, age etc., also by personal profession, the colour of skin, dressing, a sexual preference, season, hair quality, applicability and epoch
The influence of property.In addition, the hair style design of human body is also influenced by human body head state, different head states is for same hair
The presentation of type has larger difference；Therefore, it in hair style design, needs to consider various factors.
In the prior art, the presentation of hair style is generally required to realize by stylist or hairdresser, and each hair
Type teacher or hairdresser are influenced presenting for hair style by its skills involved in the labour and working condition again, often to same
Certain difference is will produce when the multiple presentation of hair style, when especially same hair style being applied on different head dummys, above-mentioned difference
Can seem especially apparent, this will certainly reduce the accuracy of hair style multiplexing.
Although having some hair style design softwares in the prior art, people can be helped to realize the Photographing On-line of hair style, such as existed
An image is uploaded on the net or is taken a picture, and is carried out a series of hair style design, is printed hair style for design requirement person
Or serial number is write down, then allow stylist with reference to design again to barber shop.And hair style design software in the prior art is answered mostly
With designed hair style model, often lack the support of the data such as head form, scalp and the hair of individual, or the number of individual
According to not comprehensive enough, fine, specific, therefore such hair style design a kind of hair style can only be worn at last, by designed hair style mould
Type is worn on like a cap on head, lacks the sense of reality, and the hair style and the head form of individual are often unable to fully paste
It closes, the capitiform of human body is multifarious so that hair style matches next effect, and often there are prodigious differences with actual conditions.Again
Person, hair distribution situation, quantity, thickness, dense, moist, flexibility, elasticity etc. data on each individual head all phases not to the utmost
Together, the designed hair style model according to a certain individual, it is difficult to be completely reproduced up out on the head of another individual.Therefore, personal
It is difficult often to be accurately judged to head dummy, the hair of its own when by current hair style design Software for Design and selecting hair style
Etc. data whether meet the condition of the hair style model, judge whether that the hair style can be trimmed out on its head, and ensure to trim out
Effect between hair style and the hair style designed is consistent.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of human body hair style three-dimensional modeling and moulds
The method of type multiplexing, wherein by establishing hair style model head three-dimensional localization model and scalp state model, and to its head
Corresponding hair style carries out information collection modeling, passes through the head three-dimensional localization model of multiple user and the head three-dimensional localization of hair style model
The comparison of hair condition difference in model determines corresponding corrected parameter to adjust hair style threedimensional model, generates and be multiplexed with hair style
The adaptable hair style threedimensional model in person head effectively promotes the applicability of the accuracy and hair style multiplexing of hair style modeling.
To achieve the above object, one aspect of the present invention provides a kind of method of human body hair style three-dimensional modeling, for pair
Trimming has the sample hair style on the human body head of sample hair style to carry out three-dimensional modeling, and its step are as follows：
S1：In the median sagittal plane outer rim of the human body head choose positioned at lower jaw lower edge lowest point lower gnathion,
Bridge of the nose point positioned at nasal bone most recess and the point farthest apart from the lower gnathion, that is, back vertex, according to the distance between 3 points
Relationship determines the virtual centre point in human body head, determines that two are divided into the human body head both sides with the virtual centre point
And the AnchorPoint of the vertical median sagittal plane of its line and the excessively described virtual centre point；
S2：Be arranged in the median sagittal plane outer rim of the human body head and two AnchorPoints at least one magnetic field sources and
Multiple magnetic detectors, by the magnetic field sources in the human body head generates magnetic field and determines by multiple magnetic detectors magnetic field
Relative position；
S3：The detection spy of running fix and detection can be carried out in any position of the full scalp sites of the human body head by being arranged
Head is provided with magnetic detector or magnetic field sources in the detection probe, with it in the movement of the full scalp sites of the human body head and
It detects to feed back the location information and scalp status information of its residing scalp sites, institute is established according to the location information of acquisition
The three-dimensional localization model of human body head is stated, and scalp state is established according to the three-dimensional localization model and the scalp status information
Threedimensional model；
S4：The main hair of selected characteristic on each characteristic area of the sample hair style acquires the position of the main hair of this feature
Parameter and characteristic information parameter and being corresponded to is input in the human body head three-dimensional localization model；
S5：More main hairs are generated between the main hair of each feature in human body head three-dimensional localization model and from hair,
To form the threedimensional model of the hair style.
As a further improvement on the present invention, the scalp status information includes scalp region residing for the detection probe
It is the distribution situation, the direction of growth, quantity of hair in position, quantity, density and the health status of hair follicle, and corresponding hair follicle, close
Degree, diameter, color and luster and health status.
As a further improvement on the present invention, the acquisition of the main hair information of the feature can detect pen come complete by setting
At, it is described detection pen inner hollow, front end be provided with can it is described detection pen in stretch take hair hook or take hair unguiculus with
It pulls in after one or more hair is hooked up or captured in the detection pen, and is examined with the sensor being set on the detection pen
Survey the hair tip and root of hair location information of the main hair of the feature, length, elasticity, pliability, frictional force and each section of the hair of hair
Colouring information.
As a further improvement on the present invention, the determination method of the virtual centre point is as follows：
The lower gnathion is connected with the back vertex in alignment, from the bridge of the nose point draw a ray with should
Straight line intersection, the position of the mobile intersection point is until it is equal at a distance from the bridge of the nose point and the back vertex, this intersection point is just
For the virtual centre point in the human body head brainpan.
As a further improvement on the present invention, the magnetic field sources are arranged on the lower gnathion, and the bridge of the nose point,
It is respectively arranged with magnetic detector on the back vertex and two AnchorPoints.
As a further improvement on the present invention, the detection probe is arranged on arc-shaped guide rail, and the two of the guide rail
End is separately positioned on two AnchorPoints and can be rotated around the AnchorPoint line to realize its covering to full scalp sites,
And the detection probe can move back and forth in the guide rail, so as to by the reciprocating movement of the detection probe and described lead
The acquisition of the positioning and scalp state of the full scalp sites of human body head is realized in the rotation of rail.
Another aspect of the present invention, the human body hair style three-dimensional mould generated using the method for the human body hair style three-dimensional modeling
Type.
Another aspect of the present invention, the application of the human body hair style threedimensional model, its step are as follows：
A1：The head three-dimensional localization model and scalp state model of hair style person to be multiplexed are established, is completed in the full head in the head
The acquisition of the positioning and scalp status information of skin zone position；
A2：By the scalp state threedimensional model of the human body head obtained according to claim 1 and hair style person to be multiplexed
The scalp state threedimensional model on head carries out parameter comparison, and generates corresponding corrected parameter, and the corrected parameter is according to
Shape size, hair density and hair follicle growth angle between the head of hair style person to be multiplexed and the human body head of the sample hair style
Difference and distribution situation, hair color, diameter of hair, the pliability of hair and the elasticity of hair determine；
A3：The corrected parameter is substituted into the human body hair style threedimensional model, is adjusted and corrects, generates and waits for and is multiple
The hair style threedimensional model to be matched with hair style person head, and the corresponding scalp hairs in hair style person head to be multiplexed after being corrected
Length information can then realize multiplexing of the hair style sample on hair style person head to be multiplexed.
As a further improvement on the present invention, can also wash with watercolours be carried out to the hair style threedimensional model of generation in the step A3
Dye, and produce design sketch and/or establish hair style library.
As a further improvement on the present invention, the hair style threedimensional model obtained after the amendment can wait for multiplexing hair by providing
The definite hair lengths of the corresponding scalp region in type person head carry out the intelligence multiplexing trimming for hair style.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit：
(1) method of human body hair style three-dimensional modeling of the invention and Model Reuse, wherein by choosing phase in human body head
To fixed lower gnathion, bridge of the nose point and back vertex, determines the virtual centre point and AnchorPoint of human body head, accordingly fixing
Electromagnetic Sources and magnetic detector are set on point, realizes and generates magnetic field in human body head to be positioned, and is visited by the way that detection is arranged
Head determines the status information and location information of scalp sites in the scanning of human body scalp sites, thus will be on full scalp sites
Location information and status information are combined, and are obtained the three-dimensional localization model and scalp state model of human body head, are effectively improved
The accuracy and repeatability of full scalp sites positioning；
(2) method of human body hair style three-dimensional modeling of the invention and Model Reuse, by choosing not same district in hair style
The main hair of feature in domain, and the acquisition position of the main hair of character pair is input in the three-dimensional localization model of hair style model head, then
Main hair is generated in the form of gradual change and from hair, finally combines the three-dimensional of hair style model head three-dimensional localization model foundation hair style
The foundation of model, hair style model is easy, and hair style model one is set up and can repeatedly use, and cost is relatively low；
(3) method of human body hair style three-dimensional modeling of the invention and Model Reuse, by acquiring hair-cutting type person's to be repaired
Scalp state model passes through hair condition difference in the scalp state model of multiple user and the scalp state model of hair style model
Comparison, the final hair style threedimensional model produced suitable for hair-cutting type person to be repaired, so as to be completed according to the hair style threedimensional model
Hair style of the hair style on hair-cutting type person to be repaired head reproduces, and fully meets the reproduction of hair style, and the reproduction of hair style combines
The scalp state and hair information in each region of human body head greatly improve the sense of reality of hair style multiplexing, the precision of hair style multiplexing
With applicability higher；
(4) method of human body hair style three-dimensional modeling of the invention and Model Reuse, the foundation and multiplexing letter of hair style model
It is single, it is easy to operate, and hair style model and human body head three-dimensional localization model one are set up, and can be repeatedly used, significantly
While promoting the hair style multiplexing sense of reality, the design cost of hair style is reduced, there is great application and popularization value.
Description of the drawings
Fig. 1 is the assistant apparatus structure side view that human body hair style three-dimensional modeling is used in the embodiment of the present invention；
Fig. 2 is the assistant apparatus structure front view that human body hair style three-dimensional modeling is used in the embodiment of the present invention；
Fig. 3 is the assistant apparatus structure vertical view that human body hair style three-dimensional modeling is used in the embodiment of the present invention；
Fig. 4 is the detection structural schematic diagram that human body hair style three-dimensional modeling is used in the embodiment of the present invention；
Fig. 5 is the auxiliary device overall structure diagram that human body hair style three-dimensional modeling is used in the embodiment of the present invention；
Fig. 6 is the multiple person cooperational schematic diagram of human body hair style three-dimensional modeling in the embodiment of the present invention；
In all the appended drawings, same reference numeral indicates identical technical characteristic, specially：1. human body head, under 2.
Gnathion, 3. bridge of the nose points, 4. forehead measuring points, 5. facial measuring points, 6. brain side measuring points, measuring point after 7. brains, 8. facial holders, 9. faces
Fixed knob, 10. fix tablettings, 11. forehead measuring point holders, 12. times gnathion holders, measuring point holder after 13. brains, 14. lower jaws
Lower Electromagnetic Sources, 15. bridge of the nose point magnetic detectors, 16. forehead measuring point magnetic detectors, 17. facial measuring point magnetic detectors, 18. brains
Side measuring point magnetic detector, measuring point magnetic detector after 19. brains, 20. detection pens, the written Electromagnetic Sources of 21. detections, 22. take hair hook,
23. leading hair, 24. sensors, 25. lead the pipe that feels like jelly, 26. work footstocks, 27. servo motors, 28. detection suspension strops.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other not
Conflict is constituted to can be combined with each other.
Although the hair style of human body head can be ever-changing, change ten thousand times without leaving the original aim or stand, this is because each in hair style
Root hair is not to occur without foundation with the presence of a root of hair of its location determination.Each hair can be from hair style table
The hair tip of the determining position in one, face extends to the root of hair of the determining position of scalp one to retouch according to the curve of a specific modality
It draws and.Adjacent hair will not disorderly occur in a jumble, often regularly be arranged towards same direction, and adjacent
The curve of hair often has same or similar form.All hair styles are arranged in a combination by ten million root hair, hair
The arrangement of silk is all quite to have its regularity, and the three-dimensional curve form of human body hair style hair is not too much complicated, and absolutely greatly
Most hair styles, all very simple or most areas the hair three-dimensional curve form of three-dimensional curve form of hair is very
Simply.And various hair styles are with the presence of several characteristic hairs that can embody the hair style form, between two characteristic hairs
Hair form present gradual change relationship.
The present invention is based on the several principles rules of above-mentioned human body head hair style composition, establish the three-dimensional mould of human body hair style
Type, and the status information of each region scalp sites is collected, such as hair lengths, diameter, elasticity, color, hair follicle quantity or hair point
The parameters such as cloth situation provide basis for the multiplexing of hair style or the intelligence trimming of hair style.
The threedimensional model of hair style is established in the preferred embodiment of the present invention by hair style model, method is as follows：
S1：Carrying out trimming has the full scalp sites three-dimensional localization and scalp state three-dimensional modeling of human body head of sample hair style
Human body head can be divided into brainpan and viscerocranium, and brainpan side is generally in irregular cycle, and top surface is in oval, and viscerocranium is then
It tapers slightly.Human body scalp sites 3-D positioning method in the preferred embodiment of the present invention is directed to the irregular circle in brainpan side
Shape, it may be determined that a positioning operation simplicity, general, the reproducible opposite unique AnchorPoint for being in center；Then it sets
Data acquisition device is set using the AnchorPoint line of brainpan both sides as rotary shaft, setting guide rail is rotated around the axis, and in the guide rail
Moveable detection probe is set to carry out Scanning Detction and the positioning of full scalp sites, acquires various head position information and shape
State data, and by the way that the devices such as Electromagnetic Sources and magnetic detector are arranged, acquire the location information of each measuring point, realize the full scalp of human body
The three-dimensional localization at position, the full scalp sites in preferred embodiment refer to all positions and forehead by accompanying by hair of human body head
The location information of acquisition and header information are finally uploaded to computer system and generate corresponding graphics by the scalp sites such as area
Shape, for the calling at any time of later stage header parameter.
The step of human body scalp sites 3-D positioning method, is as follows in preferred embodiment：
First, virtual centre point and brainpan both sides AnchorPoint in brainpan are determined；First determine the median sagittal of human body head 1
Face, i.e., the virtual centre point of human body head and make the substantially symmetric vertical plane in two both sides of head body, choose lower gnathion 2,
Back vertex, bridge of the nose point 3 and brain rear neck point, and specifically, it is preferable to which the lower gnathion 2 in embodiment refers to lower jaw lower edge minimum point, i.e.,
Point that lower jaw lower edge intersects with head, back vertex preferably refer on human body head median sagittal plane, farthest apart from lower gnathion 2
Point, and bridge of the nose point is most concave point of the human body nasal bone in head median sagittal plane；Then lower gnathion 2 and back vertex are linked to be one
Straight line, the excessively virtual centre point of the straight line draw a ray and the straight line intersection, when 3 distance away from intersection point of bridge of the nose point from bridge of the nose point 3
With back vertex away from it is equal at a distance from the intersection point when, which is just the virtual centre point in 1 brainpan of human body head, and AnchorPoint
For the virtual centre point point to brainpan both sides vertical with head median sagittal plane, virtual centre point and axle center may thereby determine that
Point.
Secondly, the three-dimensional localization of 1 scalp sites of human body head；After determining virtual centre point and AnchorPoint, using it as base
Plinth establishes corresponding position coordinates to realize the three-dimensional localization of scalp sites；
The three-dimensional localization for carrying out scalp sites in preferred embodiment using magnetic field, using magnetic field to non-magnetic shielding object
The penetrability of (such as human body) realizes the three-dimensional localization of human body corresponding site, positions, puts with radioscopy localization method, ultrasonic wave
The positioning of penetrating property rubidium marking is compared, and has that precision is high, hurtless measure, harmless, avoid ionising radiation, it is easy to operate the features such as.
On the several fixed measuring points of human body head 21, arrange that one or several magnetic field sources form magnetic field, preferred embodiment in human body head
In magnetic field sources be Electromagnetic Sources, or other can generate the device in magnetic field to permanent magnet etc., then be arranged containing magnetic detector
Or the detection probe of magnetic field sources, the full scalp sites by detection probe in human body head 1 are scanned detection, pass through detection probe
Magnetic detector feedback data information, the exact position of detection probe is calculated, to realize the corresponding scalp portion of human body head
The three-dimensional localization of position；It is further preferred that detection probe may be provided on arc-shaped guide rail, the both ends of guide rail are separately positioned on
It can rotate on two each AnchorPoints and around AnchorPoint line, to realize it to the scanning range of detection probe to full scalp sites
Covering, and the detection probe in preferred embodiment can move back and forth in guide rail, can then pass through the progressive scan of detection probe
Realize the acquisition of the positioning and scalp state of 1 full scalp sites of human body head.
Further, the status information of scalp sites corresponding position is acquired by detection probe, in preferred embodiment
The scalp status information of detection probe detection includes position, quantity, density, health status and the life of its residing scalp region hair follicle
Distribution situation, the direction of growth, quantity, density, diameter, color and luster, health status and the skin of hair in long angle, and corresponding hair follicle
Lower telangiectasis etc. information and data；Since the scalp sites of human body head 1 adhere to hair, the shadow of hair is avoided
It rings, detection probe must be inserted into hair and through scalp sites, can just collect image, data and the three-dimensional shaped of scalp sites
State, so the detection probe that the scalp sites that can be inserted into hair and can go directly are run in the scalp sites of attachment hair entirely is set,
It is scanned in full scalp sites with it, to complete the state-detection of the full scalp sites each position point of human body, acquisition scalp is each
The hair information and hair follicle information at position, such as the position of the hair follicle of scalp region, quantity, density and health status, and correspondence
The distribution situation, the direction of growth, quantity, density of hair, diameter, color and luster and health status in hair follicle.
Further, the scalp status information of each position information of detection probe acquisition and the position is corresponded, and
Each position point is sequentially connected, can realize that the status information of human body scalp sites corresponding position is corresponding with location information, after
And above-mentioned corresponding information is handled and modeled, it can realize that the three-dimensional of 1 each scalp sites status information of human body head is built
Mould realizes the real-time monitoring of arbitrary scalp sites status information.
S2：The relevant information of collecting sample hair style
The three-dimensional localization model base determined in step sl in a manner of intuitively interacting by operating personnel in preferred embodiment
On plinth, the threedimensional model of the hair style is established by the acquisition and record of hair style feature.It is used specific in a preferred embodiment
Method is as follows：
First, the main hair of feature is found out, the feature for best embodying out the hair style form is found out according to the morphological feature of hair style
Property hair, wherein one or adjacent several hair are selected, as the main hair of feature；
For hair style, the feature on each region of human body head is different, specifically may be embodied in head
In the morphological features such as length, angle, the curvature of hair, so theoretically, each hair is adopted as the main hair of feature
Collect the characteristics of corresponding morphological data best embodies hair style, but above-mentioned way can undoubtedly increase the collecting work amount of data, and
And under normal circumstances, between the hair of same hair style adjacent area, form and data parameter similar or becoming in consecutive variations
Gesture, so the certain amount characteristic area that can be directed in hair style carries out the selection of the main hair of feature, and it is related to acquire hair style with this
The morphological parameters of position, and the precision that the selection precision of the main hair of feature will not model hair style causes too much influence.
Secondly, the main hair of this feature is captured out using corresponding device by operating personnel, acquires and measures this feature master
Hair sends out the tip and sends out the data such as location of root, length, elasticity, color and luster, while the true man hair style model established in step sl
On the basis of the three-dimensional localization model of head, by collected state parameter depict the main hair of this feature specific position three-dimensional
Tracing pattern levies main hair as the Gent in its hair style threedimensional model；
Again, it repeats the above steps and depicts the main hair of more Gents signs in the three-dimensional localization model of head；
Finally, between the main hair of each feature according to the relationship of form gradient between the adjacent main hair of two features, generate
Several main hairs, main hair are separated by relatively closely with the main hair of feature, and a kind of smaller hair of morphological differences is usually chosen at ring
Hair in the main hair certain distance of feature, positioned at the main hair of the main hair side of same feature, its morphological differences is smaller, special
When not being that position between the main hair of two adjacent features is closer, characteristic parameter difference is with regard to smaller, not such as length, growth angle difference
Greatly, and between the two hair often exists in the form of continuous gradation, so two adjacent main hairs are placed in true man's hair style
At the root of hair position on a certain hair follicle between the main hair of two adjacent features of the three-dimensional localization model of model.
Further, preferably with the hair distribution situation at each position of hair style model's scalp, direction of growth, quantity, straight
The information such as diameter, color and luster and data, and by operating personnel adjust various generation parameters (including hair tip offset radii, hair are long
Degree variation etc. some probability functions) mode several are generated around each main hair from hair, be to be looped around main hair from hair
Around silk, and the hairline closer away from main hair, it can also be obtained in the form of gradual change according to close main hair from the form of hair
It arrives, to complete foundation of the hair style of hair style model in the threedimensional model of head, forms the corresponding hair style three-dimensional mould of the hair style
Type；More mature, such as academic dissertation in the prior art has been applied in generation about main hair and from hair in the prior art
Detailed introduction is made to this in " modeling of sense of reality three-dimensional hair and dynamic analog algorithm research ", this programme can also be used
The relevant technologies in above-mentioned paper realize main hair and from the generation of hair, this process is not the emphasis for being this programme, therefore
And it is not described further herein.
It is further preferred that the acquisition of the main hair information of feature is completed by setting detection pen in preferred embodiment,
The inside for detecting pen is preferably hollow, front end be provided with can stretch in the detection pen take hair hook, and in detection pen
It is inside provided with the sensor of detectable hair status information, after being pulled in after one or more hair is hooked up in the detection pen
The hair tip and root of hair location information of the main hair of this feature, the length of hair, elasticity, pliability, friction are detected by sensor
The colouring information of power and each section of hair.
Further, it is preferable to can be rendered to the hair style threedimensional model ultimately generated in embodiment, to obtain with hair
Hair style on type model head almost consistent three-dimensional Hair model.
It further, can will be on the hair style threedimensional model after the foundation for completing hair style threedimensional model through the above steps
Computer system or high in the clouds are reached, for the alternative of the hair style and multiplexing, the people of hair style design in need can be from computer
System or high in the clouds select the hair style that oneself is liked, and the head threedimensional model of oneself and scalp status information is combined to generate oneself
Head uses the state diagram of this hair style, then trimming of the hair style on oneself head can be completed according to the state diagram, realizes hair style
It is multiplexed, the preferred reusable of hair style threedimensional model in preferred embodiment is on the head of same individual or Different Individual.
Further, the hair style of human body head is usually by the length of hair, the growth angle of hair follicle and the curvature of hair
It is determining, for ordinary circumstance, same hair style when the head of same people is multiplexed, the hair hair tips of different zones away from scalp away from
From being fixed mostly or otherness is little, because without carrying out big amendment to essential, the only human body scalp portion
Larger change occurs for the scalp state parameter of position, such as external force influence or sickness influence；Further, when same hair style is at different
When being multiplexed on body, due to point of shape size between human body head, the difference of hair density and hair follicle growth angle and hair
Hair style, can not directly be multiplexed, need by the difference of cloth situation, hair color, diameter of hair, the pliability of hair and elasticity
It is multiplexed again after being adjusted to hair style according to the scalp status information difference of hair-cutting type person to be repaired and hair style model, usually
Adjustment be scalp state threedimensional model by combining hair-cutting type person to be repaired, calculate the growth angle of individual features regions hair
Correspondence between length, by this come determine multiplexing hair style individual features region length and in the form of.
Further specifically, the information such as the head size, the form that measure can be acquired according to hair-cutting type person to be repaired, can at than
The scaling of the realization hair style model of example；The letters such as the specific location of head hair line measured according to hair-cutting type person to be repaired acquisition
Breath is, it can be achieved that multiplexing hair style model is more accurate with hair-cutting type person three-dimensional head model to be repaired, closer is bonded；Foundation waits trimming
The information such as distribution situation, density and the quantity of hair that hair style person's acquisition measures, can be increased or decreased multiplexing by actual conditions
The hair quantity of hair style model；The information such as the direction of growth of hair measured according to hair-cutting type person to be repaired acquisition, can calculate
It is multiplexed the variation of hair style model relevant form；The information such as the diameter of hair measured according to hair-cutting type person to be repaired acquisition, can count
Calculate thickness (thickness of such as pigtail) or the variation of head hair style thickness of whole beam hair；It acquires and measures according to hair-cutting type person to be repaired
The information such as the pliability and elasticity of the hair arrived can calculate the variation of the main hair three-dimensional curve form of feature；Foundation waits trimming
The information such as the color for the hair that hair style person's acquisition measures, moist, realize hair style color and luster effect, etc. different after rendering.
Further, it is preferable in embodiment preferably with the following method to the multiplexing of hair style：
First, the three-dimensional modeling of hair-cutting type person head to be repaired and the modeling of scalp state are realized by step S1, are completed
The collection of its head state information；
Secondly, the head state information of hair style model and the head state information of hair-cutting type personnel to be repaired are compared,
Corresponding corrected parameter is generated, the selection of the corrected parameter is mainly by shape size, hair density and hair follicle between human body head
Distribution situation, hair color, diameter of hair, the pliability of hair and the elasticity of the difference and hair of position and growth angle
To determine；
Again, corrected parameter is introduced into original hair style threedimensional model, according to the amendment of corrected parameter to hair style three
The partial parameters of corresponding position do corresponding adjustment in dimension module, such as the adjustment of subregion hair lengths or hair style form
Fine tuning etc., to generate hair style threedimensional model of hair style multiplexing when in hair-cutting type person head to be repaired；
Finally, according to the hair style threedimensional model in above-mentioned steps, using the artificial form trimmed or intelligently trimmed
It realizes reproduction of the hair style on human body head, completes the multiplexing of hair style threedimensional model.
Since the hair style threedimensional model that multiplexing generates combines the head shape feature of hair-cutting type person to be repaired, scalp state letter
Breath and hair information, are more nearly with actual conditions, and the hair style after can be visually seen trimming before trimming after trimmer can be allowed to imitate
Fruit improves experience effect, and can be rendered to the hair style threedimensional model of generation, and produces design sketch and/or foundation
Hair style library further promotes the convenience and authenticity of application.
Further, it is auxiliary completion hair style three-dimensional modeling, hair style mould is realized using auxiliary device in preferred embodiment
The acquisition of special hair style relevant information, as shown in Fig. 1~6, wherein Fig. 1 is three-dimensional for human body hair style in the embodiment of the present invention
The assistant apparatus structure side view of modeling；Fig. 2 is the auxiliary device knot that human body hair style three-dimensional modeling is used in the embodiment of the present invention
Structure front view；Fig. 3 is the assistant apparatus structure vertical view that human body hair style three-dimensional modeling is used in the embodiment of the present invention；Fig. 4 is this
The detection structural schematic diagram of human body hair style three-dimensional modeling is used in inventive embodiments；Fig. 5 is that people is used in the embodiment of the present invention
The auxiliary device overall structure diagram of body hair style three-dimensional modeling；Fig. 6 is human body hair style three-dimensional modeling in the embodiment of the present invention
Multiple person cooperational schematic diagram.
Further and specifically, it is preferable to which 9 measuring points are arranged in the auxiliary device in embodiment preferably on human body head 1：Lower jaw
Measuring point 7 after lower point 2, bridge of the nose point 3, the facial brain of brain side measuring point 6, two of measuring point 5, two of forehead measuring point 4, two.Wherein under lower jaw
The point that preferably lower jaw lower edge minimum point namely lower jaw lower edge intersect with head median sagittal plane of point 2, preferably in lower gnathion 2
On be set as Electromagnetic Sources, be set as magnetic detector on other measuring points, the preferred place of lower gnathion 2, bridge of the nose point 3, forehead measuring point 4
In on the median sagittal plane on hair style model head.
Further, facial holder 8 is set to support each magnetic detector, the face for being worn on human body can be corresponded to and is consolidated
It is fixed, bridge of the nose point 3 is corresponded in the upper front end of facial holder 8 in preferred embodiment and be provided with bridge of the nose point magnetic detector 15, dispose
In the lowest point of hair style model's bridge of the nose bone, the forehead measuring point holder 11 on facial holder 8 has certain elasticity and upwardly extends
To forehead, and end is provided with forehead measuring point magnetic detector 22 on the forehead for being attached to true man hair style model on it；Further, excellent
The facial holder 8 in embodiment is selected preferably to realize it on human body head with a facial fixed knob 9 respectively in its both sides
It is fixed, and its underpart is preferably provided with facial measuring point magnetic detector 23, the magnetic detector can be fixed on after tightening the knob
The head of hair style model is provided with fixed tabletting 10 in preferred embodiment, i.e., by face preferably between head and magnetic detector
The fixation tabletting 10 of its underpart is pressed on the cheekbone of hair style model both sides by fixed knob 9, realizes facial holder 8 in hair style
It is fixed on model head.
Further, the measuring point holder 13 after the both sides of human body head 1 are respectively arranged with brain, it is preferably symmetrically arranged
It is two, symmetrical with 1 median sagittal plane of human body head, for installing measuring point magnetic detector after brain side measuring point magnetic detector 18 and brain
19；Further, it is preferable to measuring point holder 13 is arc after brain in embodiment, it can be around the head of human body, to adapt to human body head
The shape in portion 1, can be by two facial fixed knobs 9 respectively by the measuring point after the brain of human body head both sides in preferred embodiment
One end of holder 13 is fixed on the rear end of facial holder 8, and the other end of measuring point holder 13 is stretched to along the curve of human body head after brain
The rear end of human body head 1；Further, brain side measuring point magnetic detector 18 is provided in the middle part of measuring point holder after brain, to complete
The detection of brain side position, and the measuring point magnetic detector 19 after it is provided with brain away from the end of facial fixed knob 9, to complete brain
The determination of position afterwards.
Further, it is preferable to which lower gnathion holder 12 is placed in hair style mould by two elastic webbings in 8 lower end of facial holder
At the lower chin of spy, and gnathion Electromagnetic Sources 14 under being arranged in the holder 12, electromagnetic field is generated by lower gnathion Electromagnetic Sources 14,
And by other each magnetic detector acquisition Magnetic Fields and it is transferred to computer system, then computer system is according to collected each
Magnetic field data, calculates the three-dimensional position relationship of each measuring point in hair style model head, and is matched to the three-dimensional head mould of hair style model
In type, then preferably show on the display screen.It is further preferred that improve the precision of magnetic field data acquisition, it can also be
More magnetic detectors are set on facial holder 8, or using other magnetic fields and magnetic detector arrangement, are not limited to
Above arrangement.
Further, setting detects pen 20 to complete the acquisition of the hair style feature of the hair style each position of hair style model, preferably
The front of detection pen 20 in embodiment is provided with the written Electromagnetic Sources 21 of detection, is sent out with lower 14 timesharing of gnathion Electromagnetic Sources
Incident electromagnetic field, after being acquired by each magnetic detector, computer system can calculate the front of detection pen 20 in hair style model three in real time
The three-dimensional position in head model and direction are tieed up, is simultaneously displayed on screen, the main hair of the subsequent feature of personnel easy to operation three
The description of dimension curve form operates；Further, it is preferable to which the front end of the detection pen 20 in embodiment, which is additionally provided with, takes hair hook 22, use
Hair in crawl hair style certain, certainly, the form of crawl is also not limited to aforesaid way, and the suction of negative pressure can also be used to send out
The other manners such as pipe, grab one or adjacent several hairs, only capture wherein one as far as possible.
Further, it is preferable to which the middle part of the detection pen 20 in embodiment is provided with sensor, and it is connected in tail end and leads hair
Hose 25, as shown in Figure 4.It is hollow setting to detect pen 20 and lead the pipe 25 that feels like jelly, and is provided with leads the company of hair 23 inside it
Hair hook 22 is picked up, hair hook 22 can be taken to take hair process to realize by leading movement of the hair 23 in detection pen 20.It is sent out using taking
Hook 22 grabs one or adjacent several hairs, only captures wherein one as far as possible, operating personnel first acquire the hair hair tip
Three-dimensional position, then make to hold the hair tip, which slowly lightly pulled open, tries not to disturb other adjacent
Hair, and in the process for pulling open the hair, the three-dimensional curve form of the hair is examined, and its form is passed through into calculating
The external input device of machine system records and on the three-dimensional head model that is depicted in system, it is preferable that operating personnel must have
Certain Freehandhand-drawing grounding in basic skills, it is undistorted as much as possible in the form of the hair for ensureing to depict；Then it after the hair being stretched, can pull
The front for detecting pen 20 is inserted into hair, arrives at the position where the hair root of hair, collect the hair by its root of hair, operating personnel
The three-dimensional position of root；Further, under the control of operating personnel, hair hook 22 is taken to hook the hair by 20 front end of detection pen
Root of hair position, it is preferable that if hair hook 22 is taken not hook the hair in hair, but its adjacent other hair is hooked up to, and
Apparent influence will not be generated on the result of hair information collection.
Further, it after taking hair hook 22 to hook hair, can in its back-end lead under the drive of hair 23, in detection pen 20
Portion retracts backward, leads the flexible of hair 23 and is driven by the servo motor 27 being placed in work footstock 26, lead hair 23 preferably by
It can arbitrarily be bent but elastically-deformable material does not occur and be made, the rear end of detection pen 20 is communicated with the pipe 25 that feels like jelly is led, and takes hair hook 22
The hair can be hooked and be retracted into lead always and felt like jelly in pipe 25, until more than the length of the hair, the hair is de- on hair hook 22 from taking
From, in the process of retraction, the sensor 24 by detecting the setting of pen 20 rear portion acquire the color and luster at each position of the hair, elasticity,
The data such as the length of pliability, frictional force and the hair.Further, the hair from take hair hook 22 on be detached from after, operating personnel
The detection pen 20 is taken away from hair style model head, hair therein is pulled out, while taking hair hook 22 watching in work footstock 26
Take motor 27 driving the drive for leading hair 23 under, forward extend out be restored to detection pen 20 front end, continue next time take hair
Work.
The information that detection pen 20 often completes a head dummy hair is collected, and operating personnel can send out the tip and root of hair according to the hair
Specific location and the hair specific three dimensional tracing pattern, the three-dimensional curve of the hair drawn out as the hair style its
In a Gent levy at the root of hair position on a certain hair follicle for the three-dimensional head model that main hair is placed in hair style model, with this
Analogize and record the main hair of more features, is finally completed the foundation of entire hair style threedimensional model.
It is further preferred that the arrangement form of the mechanism and sensor 24 of detection pen 20 and work footstock 26 does not also limit to
In the form of foregoing description, those skilled in the art can be realized in the form of other according to actual needs, be worked in footstock 26
It is also not necessarily limited to a setting servo motor 27, other motors, such as stepper motor is may be alternatively provided as, may be alternatively provided as hydraulic-driven,
Or air pressure driving etc.；It is further preferred that being illustrated in figure 6 the multiple person cooperational of human body hair style three-dimensional modeling in the embodiment of the present invention
Schematic diagram completes the information collection of the main hair of hair style feature by the form of multiple person cooperational with more than one detection pen 20, can
To greatly promote the efficiency of acquisition.
By acquiring the main hair of many places feature, several main hairs are generated between the arbitrary main hair of two features based on this
Entire hair style is formed to generate more thread hairs from hair with several, it, can be into one after the three-dimensional modeling for then completing the hair style
Information and the data such as the color according to each position of the main hair of collected feature, moist are walked, which is rendered, from
And the design sketch consistent with the hair style on hair style model head is obtained, to realize the acquisition of hair style model's hair style, complete hair style
The foundation of threedimensional model.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of method of human body hair style three-dimensional modeling, for thering is the sample on the human body head of sample hair style to send out trimming
Type carries out three-dimensional modeling, and its step are as follows：
S1：The lower gnathion positioned at lower jaw lower edge lowest point is chosen in the median sagittal plane outer rim of the human body head (1)
(2), positioned at the bridge of the nose point (3) of nasal bone most recess and the point, that is, back vertex farthest apart from the lower gnathion (2), according to 3 points
The distance between relationship determine the virtual centre point in human body head (1), determine that two are divided into institute with the virtual centre point
State the AnchorPoint of human body head (1) both sides and the vertical median sagittal plane of its line and the excessively described virtual centre point；
S2：Be arranged in the median sagittal plane outer rim of the human body head (1) and two AnchorPoints at least one magnetic field sources and
Multiple magnetic detectors generate magnetic field in the human body head (1) by the magnetic field sources and determine magnetic field by multiple magnetic detectors
In relative position；
S3：The detection spy of running fix and detection can be carried out in any position of the full scalp sites of the human body head (1) by being arranged
Head is provided with magnetic detector or magnetic field sources in the detection probe, with its full scalp sites of the human body head (1) movement
The location information and scalp status information of its residing scalp sites are fed back with detection, is established according to the location information of acquisition
The three-dimensional localization model of the human body head (1), and head is established according to the three-dimensional localization model and the scalp status information
Skin state threedimensional model；
S4：The main hair of selected characteristic on each characteristic area of the sample hair style acquires the location parameter of the main hair of this feature
It is input in the human body head (1) three-dimensional localization model with characteristic information parameter and being corresponded to；
S5：More main hairs are generated between the main hair of each feature in human body head (1) three-dimensional localization model and from hair, from
And form the threedimensional model of the hair style.
2. the method for human body hair style three-dimensional modeling according to claim 1, wherein the scalp status information includes described
The distribution of hair in position, quantity, density and the health status of the hair follicle of scalp region residing for detection probe, and corresponding hair follicle
Situation, the direction of growth, quantity, density, diameter, color and luster and health status.
3. the method for human body hair style three-dimensional modeling according to claim 1 or 2, wherein the main hair information of feature
Acquisition can detect pen (20) to complete by setting, and the inner hollow of the detection pen (20), front end is provided with can be described
That stretches in detection pen (20) takes hair hook or takes hair unguiculus to pull the detection after one or more hair is hooked up or captured
In pen (20), and to be set to the hair tip and the root of hair position that the sensor detected on pen (20) detects the main hair of the feature
Information, the length of hair, the colouring information of elasticity, pliability, frictional force and each section of hair.
4. the method for human body hair style three-dimensional modeling described in any one of claim 1 to 3 and Model Reuse, wherein institute
The determination method for stating virtual centre point is as follows：
The lower gnathion (2) is connected with the back vertex in alignment, from the bridge of the nose point (3) draw a ray with
The straight line intersection, until it is equal at a distance from the bridge of the nose point (3) and the back vertex, this is handed over for the position of the mobile intersection point
Point is just the virtual centre point in the human body head (1) brainpan.
5. the method for human body hair style three-dimensional modeling according to any one of claims 1 to 4, wherein the magnetic field sources are set
It sets on the lower gnathion (2), and is respectively set on the bridge of the nose point (3), the back vertex and two AnchorPoints
There is magnetic detector.
6. the method for human body hair style three-dimensional modeling according to any one of claims 1 to 5, wherein the detection probe
It is arranged on arc-shaped guide rail, the both ends of the guide rail are separately positioned on two AnchorPoints and can connect around the AnchorPoint
Line is rotated to realize its covering to full scalp sites, and the detection probe can move back and forth in the guide rail, so as to
The positioning of the full scalp sites of the human body head (1) is realized by the reciprocating movement of the detection probe and the rotation of the guide rail
With the acquisition of scalp state.
7. the human body hair style that the method for application human body hair style three-dimensional modeling according to any one of claims 1 to 6 generates is three-dimensional
Model.
8. the application of the threedimensional model of human body hair style described in claim 7, its step are as follows：
A1：The head three-dimensional localization model and scalp state model of hair style person to be multiplexed are established, is completed in the full scalp portion in the head
The acquisition of the positioning and scalp status information of position；
A2：By the scalp state threedimensional model of the human body head obtained according to claim 1 (1) and hair style person's head to be multiplexed
The scalp state threedimensional model in portion carries out parameter comparison, and generates corresponding corrected parameter, and the corrected parameter is waited for according to
Be multiplexed hair style person head and the human body head (1) of the sample hair style between shape size, hair density and hair follicles locations and
Distribution situation, hair color, diameter of hair, the pliability of hair and the elasticity of the difference and hair that grow angle determine；
A3：The corrected parameter is substituted into the human body hair style threedimensional model, is adjusted and corrects, generates and wait for multiplexing hair
The hair style threedimensional model that type person head matches, and the corresponding scalp hairs length in hair style person head to be multiplexed after being corrected
Information can then realize multiplexing of the hair style sample on hair style person head to be multiplexed.
9. the multiplexing method of human body hair style threedimensional model according to claim 8, wherein can also be to life in the step A3
At the hair style threedimensional model rendered, and produce design sketch and/or establish hair style library.
10. the multiplexing method of human body hair style threedimensional model according to claim 8 or claim 9, wherein obtained after the amendment
Hair style threedimensional model can be by providing the definite hair lengths of the corresponding scalp region in hair style person head to be multiplexed come for hair style
Intelligence multiplexing trimming.
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