CN115308935A - Glasses modeling method and glasses - Google Patents
Glasses modeling method and glasses Download PDFInfo
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- CN115308935A CN115308935A CN202210987156.8A CN202210987156A CN115308935A CN 115308935 A CN115308935 A CN 115308935A CN 202210987156 A CN202210987156 A CN 202210987156A CN 115308935 A CN115308935 A CN 115308935A
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C13/00—Assembling; Repairing; Cleaning
- G02C13/003—Measuring during assembly or fitting of spectacles
- G02C13/005—Measuring geometric parameters required to locate ophtalmic lenses in spectacles frames
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
- G02C5/12—Nose pads; Nose-engaging surfaces of bridges or rims
- G02C5/122—Nose pads; Nose-engaging surfaces of bridges or rims with adjustable means
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C5/00—Constructions of non-optical parts
- G02C5/12—Nose pads; Nose-engaging surfaces of bridges or rims
- G02C5/122—Nose pads; Nose-engaging surfaces of bridges or rims with adjustable means
- G02C5/124—Nose pads; Nose-engaging surfaces of bridges or rims with adjustable means for vertically varying the position of the lenses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/16—Customisation or personalisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/10—Additive manufacturing, e.g. 3D printing
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Abstract
The application provides a glasses modeling method and glasses, wherein the method comprises the following steps: acquiring three-dimensional facial feature data of the head of a wearer, wherein the three-dimensional facial feature data comprise position data of a plurality of feature points; determining the glasses type and the glasses parameters of the wearer based on a preset glasses database; generating a spectacle frame model according to the spectacle parameters and at least part of the three-dimensional facial feature data; generating a leaf supporting stem model on the spectacle frame model, wherein the leaf supporting stem model comprises a leaf supporting stem body and a twisting arm, and the twisting arm is connected with the leaf supporting stem body and the spectacle frame model; and adjusting the model parameters of the twisting arm according to the spectacle frame model and at least part of the three-dimensional facial feature data to obtain the spectacle model, wherein the model parameters of the twisting arm comprise a size parameter and/or a twisting angle. The application provides a glasses modeling method and glasses, which can improve the matching degree of a nose support and the nose of a wearer and improve the comfort of glasses in use.
Description
Technical Field
The application relates to the technical field of three-dimensional printing glasses, in particular to a glasses modeling method and glasses.
Background
The use of eyeglasses has become very popular and more people need them to maintain their daily work and life, and a new form of customized eyeglasses has begun to emerge, namely individual, personal eyeglass designs and forms of customization for individual customers based on their preferences, facial features, etc.
The glasses comprise a glasses frame and a nose support, wherein the nose support is an important component of the glasses and is a part of the glasses frame which plays a supporting role on the bridge of the nose, and in the personalized design, the comfort degree of the wearer when the customized glasses are worn is influenced by the position of the nose support in order to keep the comfort degree of the wearer. At present, in the process of modeling the glasses, the matching degree of the nose pad and the nose of a wearer is difficult to adjust.
Disclosure of Invention
The embodiment of the application provides a glasses modeling method and glasses, which can improve the matching degree of a nose support and the nose of a wearer and improve the comfort of glasses in use.
The embodiment of the application provides a glasses modeling method, which comprises the following steps:
acquiring three-dimensional facial feature data of the head of a wearer, wherein the three-dimensional facial feature data comprise position data of a plurality of feature points;
determining the glasses type and the glasses parameters of the wearer based on a preset glasses database;
generating a spectacle frame model according to the spectacle parameters and at least part of the three-dimensional facial feature data;
generating a leaf supporting stem model on the glasses frame model, wherein the leaf supporting stem model comprises a leaf supporting stem body and a twisting arm, and the twisting arm is connected with the leaf supporting stem body and the glasses frame model;
and adjusting model parameters of a twisting arm according to the glasses frame model and at least part of the three-dimensional facial feature data to obtain a glasses model, wherein the model parameters of the twisting arm comprise a size parameter and/or a twisting angle.
In some embodiments, said adjusting model parameters of a toggle arm based on said eyeglass frame model and at least part of said three-dimensional facial feature data comprises:
adjusting the size parameter of the twisting arm to adjust the distance between the leaf supporting stem body and the glasses frame model; and/or
Adjusting a twist angle of the twist arm, the twist angle including at least one of a bevel angle, a rake angle, and a side angle.
In some embodiments, the eyewear model further comprises a stand-off leaf connected to the stand-off stem body.
In some embodiments, the eyewear parameters include at least one of frame parameters, leaf holder parameters, temple parameters.
In some embodiments, the plurality of feature points include at least one of a face contour point, an eyebrow arch point, an eyebrow starting point, an eyebrow tail point, an inner eye corner point, an outer eye corner point, a pupil point, a temple point, a zygomatic bone point, a cheek point, a nasion point, a nose tip point, left and right nasal lateral points, left and right mouth corner points, a chin bottom point, an ear root point, and an auricle point.
In some embodiments, the glasses parameters include frame parameters, and the generating a glasses frame model from the glasses parameters and at least part of the three-dimensional facial feature data includes:
obtaining a standard glasses frame model according to the glasses frame parameters of the glasses parameters;
adjusting the standard eyeglass frame model according to at least part of the three-dimensional facial feature data to obtain an eyeglass frame model matched with the wearer; wherein, at least part of the three-dimensional facial feature data comprises position data of at least one feature point of an eyebrow arch point, an inner eye corner point, an outer eye corner point, a pupil point, a temple point, a zygomatic bone point, a left nasal side point, a right nasal side point, an auricular root point and an auricle point.
In some embodiments, the eyewear parameters include temple parameters, the method further comprising:
generating a glasses leg model according to the glasses leg parameters of the glasses parameters and at least part of the three-dimensional facial feature data; wherein at least part of the three-dimensional facial feature data includes position data of at least one feature point of temples, auricles, and auricles.
In some embodiments, in the step of adjusting model parameters of a twisted arm according to the eyeglass frame model and at least part of the three-dimensional facial feature data, the at least part of the three-dimensional facial feature data includes position data of at least one feature point of a nasion point, a nose tip point, and left and right nasal side points.
In some embodiments, said obtaining three-dimensional facial feature data of the wearer's head comprises:
position data of a plurality of three-dimensional facial feature points of the head of the wearer are obtained by a three-dimensional scanning measurement method.
In a second aspect, the application provides a pair of glasses, glasses include that spectacle-frame and nose hold in the palm, the nose holds in the palm including holding in the palm the leaf stalk, hold in the palm the leaf stalk including holding in the palm leaf stalk body and twisting the arm, the both ends of twisting the arm are connected respectively the spectacle-frame with hold in the palm the leaf stalk body, twisting the arm and have adjustable twist angle and size, be used for the adjustment the nose holds in the palm.
In some embodiments, the twist angle comprises at least one of a bevel angle, a rake angle, and a flank angle.
In some embodiments, the nose pad further comprises a pad leaf, and the pad leaf stem is in clearance fit with the pad leaf.
In some embodiments, a leaf supporting buckle hole is formed in one end, away from the twisting arm, of the leaf supporting stem body, and the leaf supporting is clamped in the leaf supporting buckle hole.
In some embodiments, the supporting blade includes a supporting pile and a blade connected to the supporting pile, the width of the inlet end of the supporting blade fastening hole is smaller than the width of the hole of the supporting blade fastening hole, the supporting pile is fastened in the supporting blade fastening hole, and a movable gap is formed between the inlet end of the supporting blade fastening hole and the side wall of the supporting pile.
In some embodiments, a notch communicated with the leaf supporting buckle hole is formed at one end of the leaf supporting stem body away from the twisting arm; the supporting leaves enter the supporting leaf buckling holes through the notches and are clamped in the supporting leaf buckling holes.
In some embodiments, the blade includes a stake and a blade connected to the stake, the width of the stake being greater than the width of the cutout.
The technical scheme of the application has at least the following beneficial effects:
according to the glasses modeling method, the distance between the glasses frame and the leaf support stem body (namely the nose support) can be adjusted by adjusting the size parameter in the modeling process through adjusting the model parameter of the twisting arm, and the shape of the whole nose support cannot be influenced; the shape of the leaf supporting stem body cannot be influenced by adjusting the twisting angle of the twisting arm and adjusting the end, connected with the leaf supporting stem body, of the twisting arm, the structure of a leaf supporting buckling hole in the tail end of the leaf supporting stem body cannot be influenced, and the deformation of the leaf supporting buckling hole cannot be caused; the correct assembly angle of the support leaf peduncle and the support leaf and the fitting degree of the nose support and the bridge of the nose of a wearer are guaranteed. By acquiring three-dimensional facial feature data of a wearer and adaptively adjusting the twisting arm, the matching degree of the nose pad and the nose of the wearer can be improved, and the comfort of using the glasses is improved; and the modeling efficiency can be improved, and the design period of the glasses can be shortened.
The glasses provided by the application can change the size (height and/or shape) and the twisting angle of the twisting arm according to the facial features of a wearer, so that the glasses can adapt to the wearing habits of users more or adapt to different wearing requirements. In the practical application process, different designs are made according to different nose bridge heights and flats by adjusting the size and/or the twisting angle of the twisting arm, so that the operation is simple, and the modeling efficiency is high; meanwhile, the twisted arm structure is added in the nose support, so that the twisted arm can disperse the bearing of the leaf support stem body, the wearing burden of a user is reduced, the matching degree of the nose support and the nose of the wearer can be improved, and the using comfort of the glasses is improved; and the modeling efficiency can be improved, and the design period of the glasses is shortened.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of eyewear in accordance with an embodiment of the present disclosure;
FIGS. 2 a-2 c are schematic views of the nose pads of the glasses at various angles;
FIG. 3 is a schematic view of a nose pad according to an embodiment of the present disclosure;
FIG. 4 is a schematic cross-sectional view of a leaf-supporting stem in the nose pad of the embodiment of the present application;
FIG. 5 is a schematic view of a nose pad of another embodiment of the present application;
FIG. 6 is a schematic view of a nose pad of a pair of eyeglasses according to yet another embodiment of the present application;
fig. 7 is a flowchart illustrating a glasses modeling method according to an embodiment of the present application.
Reference numerals:
1-a spectacle frame;
2-a nose pad; 21-petiole of petiole; 211-toggle arm; 212-a leaf-supporting stalk body; 213-leaf supporting buckle hole; 214-a cut; 22-tuo leaf; 221-support piles; 222-a blade;
3-glasses legs; an alpha-hook angle; beta-bevel angle; gamma-side angle.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
The application provides a pair of glasses, as shown in fig. 1, the glasses include spectacle-frame 1, nose support 2 and glasses leg 3, spectacle-frame 1 is used for supporting the lens, glasses are wearing when using, and glasses leg 3 supports on wearer's ear, and nose support 2 supports on wearer's the bridge of the nose, wants to improve wearer's comfort level, and the nose support needs can match wearer's the bridge of the nose.
In some embodiments, the nose pad 2 includes a pad stem 21 and a pad 22, and the eyeglass frame 1 and the pad stem 21 are integrally formed by three-dimensional printing. The blade supporting stem 21 and the blade supporting 22 are in clearance fit, and a space capable of being adjusted movably exists between the two, so that the blade supporting 22 can be adjusted adaptively according to the characteristics of the nose bridge of different users, and the comfort level of wearing glasses by the users is improved.
Specifically, the leaf-supporting stem 21 includes a leaf-supporting stem body 212 and a twisting arm 211, and both ends of the twisting arm 211 are respectively connected to the leaf-supporting stem body 212 and the glasses frame 1. One end of the leaf supporting stem body 212 far away from the twisting arm 211 is provided with a leaf supporting buckle hole 213, and the leaf supporting buckle hole 213 is used for installing the supporting leaf 22.
In this embodiment, the twist arm 211 has an adjustable twist angle and size for adjusting the configuration of the overall nose pad 2 to accommodate the nasal bridge characteristics of different wearers. The adjustment of the twisting angle of the twisting arm 211 does not affect the shape of the leaf-supporting stem body 212, and further does not affect the structure of the leaf-supporting buckle hole 213 at the tail end of the leaf-supporting stem body 212, so that the leaf-supporting buckle hole 213 is not deformed; the correct assembly angle of the blade support stem 21 and the blade support 22 and the fitting degree of the nose support and the bridge of the nose of the wearer are guaranteed.
The size parameter adjustment of the twisting arm 211 can change the height and/or the shape of the twisting arm 211 according to the facial features of the wearer, and different designs can be made according to different heights and flatness of the nose bridge so as to adapt to the nose bridge features of different users.
Understandably, through the arrangement of the twisting arms 211, the nose bridge characteristics of different users can be adapted, the weight bearing of the nose support is dispersed, and the burden of wearing glasses by the users is reduced.
Further, the twisting arm 211 includes a first connecting end and a second connecting end, wherein the first connecting end is connected to the glasses frame 1, and the second connecting end is connected to the leaf-supporting stem body 212. In some embodiments, the distance between the glasses frame 1 and the holder body 212, i.e., the distance between the glasses frame 1 and the nose pad 2, can be adjusted by adjusting the size parameters of the first connection end, such as the setting height and the shape of the first connection end. The setting angle of the nose pad 2 can be adjusted by adjusting the twist angle of the twist arm 211, which includes at least one of the bevel angle, the front angle, and the side angle.
It is understood that in the present solution, the size (height and/or shape) and the twisting angle of the twisting arm can be changed according to the facial features of the wearer, so that the glasses can be more adapted to the wearing habits of the user, or to different wearing requirements. In the practical application process, different designs are made according to different heights and flatness of the nose bridge by adjusting the size and/or the twisting angle of the twisting arm, so that the operation is simple, and the modeling efficiency is high; meanwhile, the twisted arm structure is added in the nose support, so that the twisted arm can disperse the bearing of the leaf support stem body, the wearing burden of a user is reduced, the matching degree of the nose support and the nose of the wearer can be improved, and the using comfort of the glasses is improved; and the modeling efficiency can be improved, and the design period of the glasses can be shortened.
As shown in fig. 2a, the anterior angle α is an included angle between the long axis of the nose pad and the vertical line when viewed from the front of the eyeglasses, and the anterior angle α is generally 20 ° to 35 °; as shown in fig. 2b, the bevel angle β is an angle between the plane of the nose pad and the normal of the frame plane when the nose pad is viewed from above the glasses, and the bevel angle β is generally 25 ° to 35 °; as shown in fig. 2c, the side angle γ is an angle formed by the nose pad and the plane of the eyeglass frame when the nose pad is viewed from the side of the eyeglass, and is generally 10 ° to 15 °.
When the eyeglass frame 1 and the leaf supporting stem 21 are integrally formed by using a three-dimensional printing method, the three-dimensional printing method may specifically include:
the glasses model with a three-dimensional structure is obtained by the glasses modeling method in the first aspect, which is not described herein again. And printing layer by using a three-dimensional printing technology to obtain the three-dimensional printed spectacle frame 1 and the leaf supporting stems 21. Exemplary 3D printing techniques that may be used include, but are not limited to: stereolithography (SLA), digital Light Processing (DLP), three-dimensional printing techniques (3 DP), multi-jet fusion techniques (MJF), and various other types of 3D printing or additive manufacturing techniques known in the art, without limitation.
Fig. 3 is a schematic structural diagram of a nose pad in an embodiment of the present application, and fig. 4 is a schematic sectional structural diagram of a leaf support stem in the nose pad in the embodiment of the present application; as shown in fig. 3 and 4, the supporting blade 22 is locked in the supporting blade fastening hole 213. The supporting blade 22 comprises a supporting pile 221 and a blade 222 connected with the supporting pile 221, and the width of the inlet end of the supporting blade fastening hole 213 is smaller than the width of the hole of the supporting blade fastening hole 213. In some embodiments, the blade retaining hole 213 is truncated pyramid shaped and is a blind hole. In other embodiments, the blade retaining hole 213 may have a circular truncated cone shape or a cylindrical shape, and the blade retaining hole 213 may be a blind hole or a through hole, which is not limited herein.
As shown in fig. 3, one end of the supporting pile 221 is clamped in the supporting-leaf buckling hole 213, and the other end of the supporting pile 221 is connected to the blade 222. The inlet end of the blade-supporting buckle hole 213 is provided with a gap with the side wall of the supporting pile 221, so that the blade-supporting stem 21 and the blade 22 are in clearance fit. In some embodiments, the blades 222 may be made of a resilient material, such as a silicone material. The blade 222 may also be formed by three-dimensional printing, or may be formed by injection molding or other manufacturing processes, which are not limited herein.
Further, the support pile 221 includes the joint portion of keeping away from blade 222 and the connecting portion that is close to blade 222, and joint portion is trapezoidal cubic, and the width that the one end of connecting portion was kept away from in joint portion is less than the width that joint portion is close to the one end of connecting portion, and joint portion has two inclined planes promptly, and the design on inclined plane does benefit to in the joint portion can block into the support leaf and detain hole 213, and the width of connecting portion is less than the entry width that holds in the palm leaf and detains hole 213 for connecting portion and the entry end that holds in the palm leaf and detain hole 213 have the clearance between.
Fig. 5 is a schematic structural view of a nose pad according to another embodiment of the present application, in which the blade-supporting fastening hole 213 is a through hole, a notch 214 communicated with the blade-supporting fastening hole 213 is formed at an end of the blade-supporting stem body 212 away from the twisting arm 211, and the blade 22 can enter the blade-supporting fastening hole 213 through the notch 214 and be fastened in the blade-supporting fastening hole 213. Specifically, the width of the bracket 221 is greater than the width of the slit 214, so that the bracket 221 is pushed into the blade retaining hole 213 by the elastic deformation of the slit, and can prevent the blade 22 from falling off from the slit 214 after the assembly is completed.
Fig. 6 is a schematic structural view of a nose pad according to another embodiment of the present application, in which an end of the blade holder body 212 away from the twist arm 211 is wound to form a blade holder fastening hole 213, the blade holder fastening hole 213 is a through hole, and the blade holder fastening hole 213 is circular. The wound end of the leaf supporting stem body 212 is pressed against the leaf supporting stem body 212 to form a notch 214, and the supporting leaf 22 can enter the supporting leaf buckling hole 213 through the notch 214. The support pile 221 comprises a support leaf handle, a support cap, a limiting part and the like, the diameter of the support cap is smaller than or equal to the inner width of the support leaf buckling hole 213, the diameter of the support leaf handle is larger than the width of the notch 214 and smaller than the inner width of the support leaf buckling hole 213, so that the support pile 221 enters the support leaf buckling hole 213 through the elastic deformation of the notch 214 and is prevented from falling off from the notch 214 after the support leaf 22 is assembled. The limiting part is used for limiting the rotating angle of the supporting blade 22 after installation, and the width of the limiting part is smaller than or equal to that of the opening groove.
Fig. 7 is a schematic flowchart of a glasses modeling method according to an embodiment of the present application, and the glasses modeling method provided by the present application includes the following steps S1 to S5:
the method comprises the following steps of S1, obtaining three-dimensional facial feature data of a wearer' S head, wherein the three-dimensional facial feature data comprise position data of a plurality of feature points;
s2, determining the glasses type and the glasses parameters of the wearer based on a preset glasses database;
s3, generating a glasses frame model according to the glasses parameters and at least part of the three-dimensional facial feature data;
s4, generating a leaf supporting stem model on the glasses frame model, wherein the leaf supporting stem model comprises a leaf supporting stem body and a twisting arm, and the twisting arm is connected with the leaf supporting stem body and the glasses frame model;
and S5, adjusting model parameters of a twisting arm according to the glasses frame model and at least part of the three-dimensional facial feature data to obtain a glasses model, wherein the model parameters of the twisting arm comprise size parameters and/or twisting angles.
In the scheme, the distance between the spectacle frame and the leaf support stem body (namely the nose support) can be realized by adjusting the size parameters in the modeling process by adjusting the model parameters of the twisting arms, and the shape of the whole nose support cannot be influenced; the shape of the leaf supporting stem body cannot be influenced by adjusting the twisting angle of the twisting arm and adjusting the end, connected with the leaf supporting stem body, of the twisting arm, the structure of a leaf supporting buckling hole in the tail end of the leaf supporting stem body cannot be influenced, and the deformation of the leaf supporting buckling hole cannot be caused; the correct assembly angle of the support leaf peduncle and the support leaf and the fitting degree of the nose support and the bridge of the nose of a wearer are guaranteed. By acquiring three-dimensional facial feature data of a wearer and adaptively adjusting the twisting arms, the matching degree of the nose pads and the nose of the wearer can be improved, and the comfort of using the glasses is improved; and the modeling efficiency can be improved, and the design period of the glasses can be shortened.
The following describes the present solution in detail with reference to the embodiments and the calculation method provided by the present application:
step S1, three-dimensional facial feature data of the head of a wearer are obtained, and the three-dimensional facial feature data comprise position data of a plurality of feature points.
In some embodiments, three-dimensional facial feature data of a wearer's head may be acquired by a three-dimensional scanning measurement method. Specifically, a machine vision method may be adopted to perform three-dimensional scanning on the head of the wearer to obtain three-dimensional scanned image data of the head of the wearer, and then predetermined three-dimensional modeling software is used to perform three-dimensional model reconstruction based on the three-dimensional scanned image data to obtain a three-dimensional model of the head. Based on the obtained head three-dimensional model, position data of a plurality of feature points of a three-dimensional face of the head three-dimensional model is extracted. The position data may be three-dimensional coordinate information of each feature point.
In this embodiment, the plurality of feature points of the three-dimensional face include at least one feature point of a face contour point, an eyebrow arch point, an eyebrow starting point, an eyebrow tail point, an inner eye corner point, an outer eye corner point, a pupil point, a temple point, a cheekbone point, a cheek point, a nasion point, left and right nasal lateral points, left and right mouth corner points, a chin bottom point, an auricle point, and an auricle point. In other embodiments, more or fewer facial feature points may also be extracted.
Specifically, the facial feature parameters of the wearer can be measured by extracting the position data of a plurality of feature points and measuring the distance between two feature points according to the position data of any two feature points. For example, a right eye reference pupil distance parameter can be obtained according to the distance between the right pupil point and the midpoint of the left and right pupil points, a left eye reference pupil distance parameter can be obtained according to the distance between the left pupil point and the midpoint of the left and right pupil points, a temporal distance parameter can be obtained according to the distance between the left and right temple points, and the like.
And S2, determining the glasses type and the glasses parameters of the wearer based on a preset glasses database.
In some embodiments, the wearer may select the appropriate eyewear type in the eyewear database based on preferences. In other embodiments, the appropriate type of eyewear may be selected in the eye database based on the three-dimensional facial feature data of the wearer. The type of the glasses can be selected according to the requirement, and is not limited herein. The glasses database comprises various glasses types, wherein the glasses types are the styles of the glasses frames, and can be square frame glasses, round frame glasses, polygonal frame glasses and the like.
After the glasses type is determined, glasses parameters are generated, and the glasses parameters comprise at least one of a frame parameter, a leaf-supporting stem parameter and a temple parameter. It should be noted that the initially generated parameters of the glasses are preset standard parameters. The frame parameters include, for example, the size of the frame (such as the width, thickness, height, etc.) and the tilt angle of the mirror; the parameters of the leaf-supporting stems comprise information such as relative positions of the leaf-supporting stems and the glasses frames, anterior angles of the nose supports, oblique angles of the nose supports, lateral angles of the nose supports and the like; it should be noted that the relative position of the leaf support stem and the spectacle frame can be adjusted by the size parameter of the twisting arm in the nose support; the front angle, the oblique angle and the side angle of the nose support can be adjusted by the twist angle of the twist arm in the nose support. The temple parameters may include, for example, temple length, etc. information.
And S3, generating a glasses frame model according to the glasses parameters and at least part of the three-dimensional facial feature data.
In some embodiments, step S3 specifically includes:
obtaining a standard spectacle frame model according to the spectacle frame parameters of the determined spectacle parameters;
adjusting the standard eyeglass frame model according to at least part of the three-dimensional facial feature data to obtain an eyeglass frame model matched with the wearer; wherein, at least part of the three-dimensional facial feature data comprises position data of at least one feature point of an eyebrow arch point, an inner eye corner point, an outer eye corner point, a pupil point, a temple point, a zygomatic bone point, a left nasal side point, a right nasal side point, an auricular root point and an auricle point.
And S4, generating a leaf supporting stalk model on the glasses frame model, wherein the leaf supporting stalk model comprises a leaf supporting stalk body and a twisting arm, and the twisting arm is connected with the leaf supporting stalk body and the glasses frame model.
After obtaining a spectacle frame model matched with the wearer, generating a leaf-supporting stem model on the spectacle frame model according to leaf-supporting stem parameters of spectacle parameters, wherein the leaf-supporting stem model comprises a leaf-supporting stem body and a twisting arm, and the twisting arm is connected with the leaf-supporting stem body and the spectacle frame model.
Specifically, the twisting arm comprises a first connecting end and a second connecting end, wherein the first connecting end is connected with the glasses frame so as to adjust the distance between the glasses frame and the leaf supporting stem body, namely the distance between the glasses frame and the nose supporting stem. The second link is connected and is held in the palm the leaf stem body, adjusts the distortion angle of twisting the arm, and the distortion angle includes in oblique angle, anterior angle and the side angle at least one, adjusts nose promptly and holds in the palm the angle of setting up.
In some embodiments, the second connecting end of the twist arm is generally S-shaped, receives the twist and is connected to the main body of the tobacco stalk. The shape of the leaf supporting stem body cannot be influenced by adjusting the twisting angle of the twisting arm and adjusting the end, connected with the leaf supporting stem body, of the twisting arm, the structure of a leaf supporting buckling hole in the tail end of the leaf supporting stem body cannot be influenced, and the deformation of the leaf supporting buckling hole cannot be caused; the correct assembly angle of the support leaf stem and the support leaf and the fitting degree of the nose support and the nose bridge of a wearer are guaranteed.
And S5, adjusting model parameters of the twisting arms according to the glasses frame model and at least part of the three-dimensional facial feature data to obtain a glasses model.
In the embodiment, the distance between the nose pad and the glasses frame, the nose pad oblique angle, the nose pad front angle and the nose pad side angle are obtained according to the glasses frame model and at least part of the three-dimensional facial feature data, and the twist arm is adjusted, for example, the first connecting end of the twist arm is contracted and stretched to adjust the distance between the nose pad and the glasses frame; and changing the shape and/or angle of the second connecting end to adjust at least one of the oblique angle, the front angle and the side angle of the nose pad.
In this scheme, the first link through adjusting the arm of twisting is in order to adjust the distance that the nose held in the palm and the spectacle-frame, through adjusting the second link in order to adjust the oblique angle that the nose held in the palm, at least one in the rake angle, the side angle, from not influencing the shape of whole support leaf stalk body, twist reverse owing to the existence of twisting the arm is accepted, the deformation of whole support leaf stalk in the modeling process has been avoided, and the support leaf stalk has great adjustment range, guarantee to hold in the palm the correct equipment angle of leaf stalk and blade and the laminating angle of nose support and wearer's bridge of the nose angle, it is efficient to model, shorten the design cycle of glasses, and improve the user and wear the comfort level.
Further, the method further comprises:
generating a glasses leg model according to the glasses leg parameters of the glasses parameters and at least part of the three-dimensional facial feature data; wherein at least part of the three-dimensional facial feature data includes position data of at least one feature point of temples, auricles, and auricles.
Specifically, a standard temple model is obtained according to temple parameters of the glasses parameters; and then adjusting a standard temple model according to at least part of the three-dimensional facial feature data to obtain a temple model matched with the wearer.
And after obtaining a spectacle frame model, a spectacle leg model and a leaf support stem model which are matched with the wearer, generating a spectacle model.
According to the glasses modeling method, the distance between the glasses frame and the leaf support stem body (namely the nose support) can be realized by adjusting the model parameters of the twisting arms and adjusting the size parameters in the modeling process, and the shape of the whole nose support cannot be influenced; the shape of the leaf supporting stem body cannot be influenced by adjusting the twisting angle of the twisting arm and adjusting the end, connected with the leaf supporting stem body, of the twisting arm, the structure of a leaf supporting buckling hole in the tail end of the leaf supporting stem body cannot be influenced, and the deformation of the leaf supporting buckling hole cannot be caused; the correct assembly angle of the support leaf stem and the support leaf and the fitting degree of the nose support and the nose bridge of a wearer are guaranteed. By acquiring three-dimensional facial feature data of a wearer and adaptively adjusting the twisting arm, the matching degree of the nose pad and the nose of the wearer can be improved, and the comfort of using the glasses is improved; and the modeling efficiency can be improved, and the design period of the glasses is shortened.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (16)
1. A method of modeling eyewear, the method comprising:
acquiring three-dimensional facial feature data of the head of a wearer, wherein the three-dimensional facial feature data comprise position data of a plurality of feature points;
determining the glasses type and the glasses parameters of the wearer based on a preset glasses database;
generating a spectacle frame model according to the spectacle parameters and at least part of the three-dimensional facial feature data;
generating a leaf supporting stem model on the glasses frame model, wherein the leaf supporting stem model comprises a leaf supporting stem body and a twisting arm, and the twisting arm is connected with the leaf supporting stem body and the glasses frame model;
and adjusting model parameters of a twisting arm according to the spectacle frame model and at least part of the three-dimensional facial feature data to obtain a spectacle model, wherein the model parameters of the twisting arm comprise a size parameter and/or a twisting angle.
2. The method of claim 1, wherein said adjusting model parameters of a warped arm based on said eyeglass frame model and at least part of said three-dimensional facial feature data comprises:
adjusting the size parameter of the twisting arm to adjust the distance between the leaf supporting stem body and the spectacle frame model; and/or
Adjusting a twist angle of the twist arm, the twist angle including at least one of a bevel angle, a rake angle, and a side angle.
3. The method of claim 1, wherein the eyewear model further comprises a stand-off leaf connected to the stand-off stem body.
4. The method of claim 1, wherein the eyewear parameters comprise at least one of frame parameters, leaf holder parameters, temple parameters.
5. The method according to claim 1, wherein the plurality of feature points include at least one of a face contour point, an eyebrow arch point, an eyebrow starting point, an eyebrow tail point, an inner eye corner point, an outer eye corner point, a pupil point, a temple point, a zygomatic bone point, a cheek point, a nasion root point, a nose tip point, left and right nasal side points, left and right mouth corner points, a chin underlying point, an ear root point, and an auricle point.
6. The method of claim 5, wherein the eyewear parameters comprise frame parameters, and wherein generating a frame model from the eyewear parameters and at least a portion of the three-dimensional facial feature data comprises:
obtaining a standard glasses frame model according to the glasses frame parameters of the glasses parameters;
adjusting the standard eyeglass frame model according to at least part of the three-dimensional facial feature data to obtain an eyeglass frame model matched with the wearer; wherein, at least part of the three-dimensional facial feature data comprises position data of at least one feature point of an eyebrow arch point, an inner eye corner point, an outer eye corner point, a pupil point, a temple point, a zygomatic bone point, a left nasal side point, a right nasal side point, an auricular root point and an auricle point.
7. The method of claim 5, wherein the eyewear parameters comprise temple parameters, the method further comprising:
generating a glasses leg model according to the glasses leg parameters of the glasses parameters and at least part of the three-dimensional facial feature data; wherein at least part of the three-dimensional facial feature data includes position data of at least one feature point of temple points, auricle points, and auricle points.
8. The method according to claim 5, wherein in the step of adjusting model parameters of a twisted arm according to the eyeglass frame model and at least part of the three-dimensional facial feature data, the at least part of the three-dimensional facial feature data includes position data of at least one feature point of a nasion point, a nose tip point, and left and right nasal side points.
9. The method of any one of claims 1 to 8, wherein said obtaining three-dimensional facial feature data of the head of the wearer comprises:
position data of a plurality of three-dimensional facial feature points of the head of the wearer are obtained by a three-dimensional scanning measurement method.
10. The utility model provides a pair of glasses, its characterized in that, glasses include spectacle-frame and nose support, the nose support is including holding in the palm the leaf stalk, hold in the palm the leaf stalk including holding in the palm leaf stalk body and twisting the arm, the both ends of twisting the arm are connected respectively the spectacle-frame with hold in the palm leaf stalk body, twisting the arm and having adjustable distortion angle and size, be used for the adjustment the nose supports.
11. The eyewear of claim 10, wherein the twist angle comprises at least one of a bevel angle, a front angle, and a side angle.
12. The eyewear of claim 10, wherein the nose pad further comprises a pad, wherein the pad stem is a clearance fit with the pad.
13. The eyeglasses according to claim 12, wherein a blade-holding buckle hole is formed at one end of the blade-holding stem body away from the twisting arm, and the blade is clamped in the blade-holding buckle hole.
14. The eyeglasses according to claim 13, wherein the blade comprises a supporting post and a blade connected with the supporting post, the width of the inlet end of the blade fastening hole is smaller than the width of the hole of the blade fastening hole, the supporting post is clamped in the blade fastening hole, and a movable gap is formed between the inlet end of the blade fastening hole and the side wall of the supporting post.
15. The eyeglasses according to claim 13, wherein the end of the blade-supporting stem body away from the twisting arm is provided with a notch communicated with the blade-supporting buckle hole; the supporting leaves enter the supporting leaf buckling holes through the notches and are clamped in the supporting leaf buckling holes.
16. The eyewear of claim 15, wherein the blade comprises a post and a blade connected to the post, the post having a width greater than a width of the cutout.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210987156.8A CN115308935A (en) | 2022-08-17 | 2022-08-17 | Glasses modeling method and glasses |
| PCT/CN2023/095298 WO2024037082A1 (en) | 2022-08-17 | 2023-05-19 | Glasses modeling method and glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210987156.8A CN115308935A (en) | 2022-08-17 | 2022-08-17 | Glasses modeling method and glasses |
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| CN115308935A true CN115308935A (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210987156.8A Pending CN115308935A (en) | 2022-08-17 | 2022-08-17 | Glasses modeling method and glasses |
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| CN (1) | CN115308935A (en) |
| WO (1) | WO2024037082A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024037082A1 (en) * | 2022-08-17 | 2024-02-22 | 珠海赛纳视博科技有限公司 | Glasses modeling method and glasses |
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| CN215910736U (en) * | 2021-09-10 | 2022-02-25 | 珠海赛纳视博科技有限公司 | 3D printed glasses frame |
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| EP3289406A4 (en) * | 2015-04-30 | 2018-10-24 | Oakley, Inc. | Wearable devices such as eyewear customized to individual wearer parameters |
| PL3425447T3 (en) * | 2017-07-06 | 2020-03-31 | Carl Zeiss Vision International Gmbh | Method, device and computer program for virtual adapting of a spectacle frame |
| CN115308935A (en) * | 2022-08-17 | 2022-11-08 | 珠海赛纳视博科技有限公司 | Glasses modeling method and glasses |
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2022
- 2022-08-17 CN CN202210987156.8A patent/CN115308935A/en active Pending
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- 2023-05-19 WO PCT/CN2023/095298 patent/WO2024037082A1/en unknown
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| CN105842875A (en) * | 2016-06-07 | 2016-08-10 | 杭州美戴科技有限公司 | Method for designing glasses frame based on facial three-dimensional measurement |
| CN208596258U (en) * | 2018-08-23 | 2019-03-12 | 南京简跃智能科技有限公司 | A kind of glasses suitable for 3D printing |
| CN215910736U (en) * | 2021-09-10 | 2022-02-25 | 珠海赛纳视博科技有限公司 | 3D printed glasses frame |
| CN216387605U (en) * | 2021-11-18 | 2022-04-26 | 珠海赛纳视博科技有限公司 | Glasses and three-dimensional printing equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024037082A1 (en) * | 2022-08-17 | 2024-02-22 | 珠海赛纳视博科技有限公司 | Glasses modeling method and glasses |
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| WO2024037082A1 (en) | 2024-02-22 |
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