WO2004095321A1 - 製品形状設計装置 - Google Patents
製品形状設計装置Info
- Publication number
- WO2004095321A1 WO2004095321A1 PCT/JP2004/005614 JP2004005614W WO2004095321A1 WO 2004095321 A1 WO2004095321 A1 WO 2004095321A1 JP 2004005614 W JP2004005614 W JP 2004005614W WO 2004095321 A1 WO2004095321 A1 WO 2004095321A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shape
- human body
- product
- data
- human
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H3/00—Patterns for cutting-out; Methods of drafting or marking-out such patterns, e.g. on the cloth
- A41H3/007—Methods of drafting or marking-out patterns using computers
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
- G06T19/20—Editing of three-dimensional [3D] images, e.g. changing shapes or colours, aligning objects or positioning parts
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2210/00—Indexing scheme for image generation or computer graphics
- G06T2210/16—Cloth
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06T2219/2021—Shape modification
Definitions
- the present invention relates to an apparatus for designing a product shape adapted to the human body for designing clothing, leather products, eyeglasses, assistive devices, gas masks and the like, which are industrial products to be fitted and worn according to the shape of the human body.
- the present invention relates to a product shape design device capable of designing a product that conforms to the shape of an individual's body, taking into account the design constraints that must be met and the constraints for adapting the product to the human body.
- F FD Free Form Deformation
- Non-Patent Document 1 a jungle gym-like control grid point is set around shape data expressed on a computer, and the shape data is moved by moving the control grid point. It is a technology that deforms smoothly (Non-Patent Document 1).
- Non-Patent Document 2 For example, transforming one human body shape A into another human body shape B Then, if both human body shape data are polyhedrons described by the same number of points anatomically associated and the vertices of the same geometric structure, transform human body shape A to match human body shape B A deformed grid E that can be calculated can be calculated (Patent Document 1, Patent Document 2).
- Patent Document 3 A device that synthesizes a virtual shape representing a group using this deformed grid E (Patent Document 3), and based on the device, manufactures a cradle for clothes (Patent Document 3) 4)
- Patent Document 3 A device that synthesizes a virtual shape representing a group using this deformed grid E (Patent Document 3), and based on the device, manufactures a cradle for clothes (Patent Document 3) 4)
- Non-Patent Document 3 Various measuring devices for measuring a human body shape and a product shape, including those developed by the inventors, are commercially available or disclosed.
- Patent Document 1 Japanese Patent No. 27275739
- Patent Document 2 Japanese Patent No. 31066-177
- Patent Document 3 Japanese Patent Application Laid-Open No. 2000-1-3446 16
- Patent Document 4 Japanese Patent Application Laid-Open Publication No. 2000-1140201
- Patent Document 5 Japanese Patent Application Laid-Open No. 2002-092051 Disclosure of the Invention
- human body shape A was calculated to be transformed into another human body shape B.
- the product shape D that matches the human body shape B may not be calculated. Or, even if it can be calculated, there are cases where it is impractical from the point of cost and the like because the number of corrected parts of the product increases.
- a deformed grid E for transforming the human body shape A so as to match the human body shape B is calculated, and this deformed grid E is applied to the product shape C to obtain the product shape D.
- the perimeter of the product shape D after the deformation may be too small and may not conform to the human body shape B at all.
- the deformation may extend to parts of the product that you do not want to be individually deformed (parts that use parts that are mass-produced in molds, such as front hooks for brassieres and outsoles for shoes). Does not.
- an object of the present invention is to provide a product shape design apparatus that can design a product that conforms to the shape of an individual's body, taking into account the design constraints that the product should have and the constraints for adapting the product to the human body. Is to do.
- the product shape design device has, as a basic configuration, a measuring device that measures a human body shape A, a human body shape B, and a product shape C, and the same human body shape A and the human body shape B having the same number of points and the same geometric structure.
- a pre-processing device that performs a data conversion process expressed by the coordinate points of the following; and a human body shape A and a human body based on the data of the human body shape A and the human body shape B and the product shape C that have been subjected to the data conversion process by the pre-processing device.
- Calculate a deformed grid G that simultaneously minimizes the error between the shape B individuals and the design target values of the perimeter of the cross section H and the perimeter of the cross section determined from the product shape C.
- a product shape design apparatus capable of designing a product conforming to an individual's human body shape includes a human body shape A, a human body shape B, and a product shape C conforming to the human body shape A. Based on the measuring device to measure and the data of the measured shape A pre-processing device that performs data conversion processing for converting the human body shape A and the human body shape B into data represented by the same number of points and coordinate points having the same geometric structure; and a human body shape that is subjected to data conversion processing by the pre-processing device.
- the present invention provides, as a second form, a product shape design method capable of designing a product conforming to an individual's human body shape, comprising: a human body shape A, a human body shape B, and a product conforming to the human body shape A.
- the shape C is measured, and based on the data of the measured shape, the human body shape A and the human body shape B are subjected to a de-conversion process to be data represented by the same number of points and coordinate points of the same geometric structure.
- the perimeter and cross-section of the cross-section H determined from the data of the human shape A, human body shape B, and product shape C that have been subjected to the data conversion process and the error between the human shape A and human body shape B and the product shape C Calculate the deformed grid G that simultaneously minimizes the error of the design target value of the perimeter, apply the deformed grid G to the product shape C, deform it, and decompose the new product shape F that fits the human body shape B.
- a program for performing, by a computer, a product shape design process adapted to a human body, comprising a human body shape A, a human body shape B, and a product shape conforming to the human body shape A comprising a human body shape A, a human body shape B, and a product shape conforming to the human body shape A.
- the human body shape obtained by the measuring device for measuring the human body shape or the product shape is obtained by combining data measured at predetermined length intervals in each axial direction on the three-dimensional coordinate axis.
- the data is cross-sectional data at 1 mm intervals, which is a coordinate point data centered on the measurement device. Therefore, for example, a tall person has many coordinate points, and a short person has few coordinate points.
- the product shape designing apparatus for example, data conversion processing based on anatomical feature points is performed.
- a data conversion process is performed in which the coordinate data obtained by the measuring device is represented by coordinate points having the same number of points and the same geometric structure by the preprocessing device.
- the deformed grid is calculated by the data of the human body shape subjected to the data conversion processing by the preprocessing device, that is, by each data expressed by the coordinate points having the same number of points and the same geometric structure.
- a deformation grid for reflecting the shape difference between the human body shape A and the human body shape B is calculated.
- the deformation that minimizes the error between the human shape A and the human shape B between the individual and the design target value of the perimeter of the cross-section H and the perimeter of the cross-section determined from the product shape C at the same time The grid G is calculated, and the product shape F is designed using the deformed grid G.
- the product shape data created from the existing standard human shape data is CAD data, etc., it is used as the product shape data. You may make it measure. That In this case, the human shape A is data of a standard human shape that has already been measured, and the product shape C is product shape data that conforms to the standard human shape.
- the preprocessing device performs a data conversion process in which the human body shape is represented by coordinate points having the same number of points and the same geometric structure based on the human body shape and the human anatomical feature points measured by the measurement device. It can also be configured to do so.
- the calculation processing device may perform the calculation under a condition such that the perimeter of a specific cross section of the existing product shape becomes a predetermined value. It may be deformed. As described above, in the conventional technology, a deformed grid E that deforms the human body shape A so as to match the human body shape B is calculated, and the deformation based on the deformed grid E is applied to the product shape C. In this case, for example, the perimeter of the deformed product shape D may be too small to fit the human body shape B at all.
- the product shape design apparatus of the present invention when deformed by the deformed grid, as shown in FIG. In addition to minimizing the error between the corresponding points of the human body shape B (deformation target) and the body shape B, the error of the perimeter of the specific section H of the product shape C to be deformed and its design target value are also minimized at the same time. And calculate the deformed grid G. Then, using the calculated deformed grid G, the shape data of the product shape F is obtained by applying to the product shape C.
- the correspondence between the vertex of the human body shape B deformed by the movement of the control grid point and the corresponding deformed target shape The sum of the square of the difference between the coordinates of the vertices and the sum of all vertices, the square of the difference between the distance between adjacent grid points, and the distance between control grid points before deformation is all Minimize the weighted sum of the sum of control grid points In this way, the control grid point position of the deformed grid G is optimized.
- FIG. 4 is a diagram schematically showing each grid point of the deformed grid G
- FIG. 5 is a diagram schematically showing an error function when calculating the deformed grid.
- the white square grid points indicate the data of the human shape A
- the black square grid points indicate the deformed human shape A data
- the black triangle grid points indicate the human shape B.
- the data is shown.
- White circles indicate grid points of the deformed grid before deformation
- black circles indicate grid points of the deformed grid after deformation.
- the optimization calculation is performed using an error function as shown in Fig. 5 to calculate the deformed grid G.
- the first term is an error term determined by the shape data
- the second and third terms are distortion energy terms for suppressing extreme distortion of the control grid points.
- an error term determined by the perimeter of the product has been added.
- the error term of the fourth term is based on the perimeter of the cross section H deformed by the movement of the control grid point from which the cross section H that is important for the design on the product shape C is extracted in advance, and the design target of the perimeter. This is a term defined by the square of the error from the value.
- the position of the control grid points of the deformed grid is optimized to minimize the weighted sum of these four terms simultaneously, and the deformed grid G is calculated. Then, the calculated deformed grid G is applied to the product shape C to design a product shape F that conforms to the human body shape B.
- the design constraints of the product and the constraints for adapting the product to the human body are taken into account. It becomes possible to design products that conform to the shape.
- FIG. 1 is a block diagram schematically showing a system configuration of a product shape designing apparatus according to one embodiment of the present invention.
- FIG. 2 is a diagram illustrating a process of shape deformation of a product shape using a conventional deformation grid.
- FIG. 3 is a diagram for explaining a process of shape deformation of a product shape by the deformation grid of the present invention.
- FIG. 4 is a diagram schematically illustrating each grid point of the deformed grid.
- FIG. 5 is a diagram schematically illustrating an error function for calculating a deformed grid.
- FIG. 6 is a first diagram illustrating a specific example when designing a last that matches the shape of an individual's foot using the product shape designing apparatus according to the present invention.
- FIG. 7 is a second diagram illustrating a specific example when designing a last that matches the shape of an individual's foot using the product shape designing apparatus according to the present invention.
- FIG. 8 is a third diagram illustrating a specific example when designing a last that matches the shape of an individual's foot using the product shape designing apparatus according to the present invention.
- FIG. 1 is a block diagram schematically showing a system configuration of a product shape design apparatus according to one embodiment of the present invention.
- 100 is a product shape design device
- 101 is a measurement device
- 102 is a data preprocessing device
- 103 is a calculation processing device.
- the product shape design device 100 is composed of a measuring device 101, a data pre-processing device 102, and a calculation processing device 103.
- the measuring device 101 is a three-dimensional shape measuring device provided with a stage on which an object to be measured is mounted, an optical scanner, and the like.
- the three-dimensional coordinate data of the human body shape A, the human body shape B, and the product shape C are used. Measure the evening.
- the measuring device 101 measures the shape 1 of the human body A and the shape 2 of the human body B,
- the coordinate data of the human body shape data 4 is output. It also measures the shape 3 of the product C and outputs the coordinate data of the product shape data 5.
- the data pre-processing unit 102 and the calculation processing unit 103 are data processing units that consist of a microprocessor (CPU) and memory (RAM). Programs and programs for data conversion processing are read in, and these data processing functions are executed.
- the coordinate data of the human body shape data 4 output from the measuring device 101 is input to the data pre-processing device 102, where the human body shape A and the human body shape B have the same number of points and are the same in the data pre-processing device 102.
- Data conversion processing is performed using the data represented by the coordinate points of the geometric structure to obtain shape data 7 of the human body shapes A and B.
- the shape data 7 subjected to the data conversion processing by the data pre-processing device 102 is input to the calculation processing device 103.
- the shape data 6 of the product shape C is input to the calculation processing device 103, and when the shape data 7 is input to the calculation processing device 103, based on these data, Calculate the deformed grid G that simultaneously minimizes the error between the human shape A and human shape B between the individual and the design target value of the cross-sectional perimeter H determined by the product shape C and the cross-sectional perimeter. Then, the deformed grid G is applied to the product shape C and deformed, and data 8 of a new product shape F conforming to the human body shape B is output. Then, the design data 9 of the product F is created based on the output data 8 of the product shape F conforming to the output of the human body B.
- the average of the foot circumference (perimeter around the base of the toe) of one adult male 4 person Is almost the same as the foot circumference of the human body shape B, so that it conforms to the foot circumference of the shoe last product shape C (the perimeter of the cross section on the product corresponding to the foot circumference cross section of the foot) and the human body shape B Lasts
- the foot circumference of product shape F must match.
- the deformed grid E is calculated from the human body shape A and the human body shape B in the same manner as in the conventional method.
- the deformed grid E is a deformed grid that shows the state of deformation that transforms the human body shape A into the human body shape B.
- the amount of control grid point movement that transforms the human body shape A of the foot shape into the human body shape B is calculated, and then applied to the product shape C to obtain the product shape D, but as it is Then, the foot circumference of the product shape D is 7.8 mm smaller than the foot circumference of the product shape C.
- a sequence of points S on the cross section for which the foot circumference is to be calculated is extracted from the product shape C, and the perimeter when the point sequence S is deformed by the deformation grid E matches the perimeter of the product shape C before deformation.
- the deformed grid E is modified into a deformed grid G having a shape as shown in FIG.
- the deformed grid G calculated by this is almost indistinguishable from the result calculated by the conventional method.
- the product shape design device is a device for designing the shape of a product that conforms to the shape of the human body. It measures the shape of the human body, the anatomical features of the human body, and the product shape to measure the human shape data and product shape data.
- the measuring means, the data preprocessing means, and the calculation processing means each have a function of storing data on a recording medium and a function of reading data from a recording medium, and temporarily suspend each data processing. Can be resumed.
- each processed data is displayed by the display means, and for example, as shown in FIGS. 6 to 8, a state in which the shape is deformed can be displayed.
- the measuring means, the data preprocessing means, and the calculating means are physically and logically connected, for example, connected via a network, and execute processing of each function.
- the data preprocessing means has a function of reading out the human body shape data measured and stored by the measuring means from a physically or logically connected recording medium, and has the same number of points for the human body shape data, and It has the function of representing coordinate points having the same geometrical structure and the function of storing the represented human body shape in a physically or logically connected recording medium.
- the calculation processing means is a human body shape A stored by the data preprocessing means, and a virtual human shape A obtained by statistically processing a plurality of human body shapes stored by the data preprocessing means by another method.
- a human body shape B to which the product stored in the data pre-processing means should be adapted, and a virtual human body shape B obtained by statistically processing a plurality of human shapes representing a group to which the product should be adapted by another method And are input as the data of the human body shape B.
- the existing product shape C measured by the measuring means and the existing product shape C ' which is separately designed and electronically expressed are used.
- the specific cross-sectional data H of the existing product shape C ' is stored in the physically or logically connected recording medium. Is read from and input.
- the calculation processing means generates a deformed grid E for deforming the human shape A or the virtual human shape A 'so as to match the human shape B or the virtual human shape B' of the individual whose product is to be adapted. Calculate, create and save.
- calculation processing means deforms the human body shape A or the human body shape A ′ so as to match the human body shape B or the human body shape B ′ of the individual to whom the product is to be applied, Calculate and create and store a deformed grid G for deforming under the condition that the perimeter of the cross section H of becomes a predetermined value.
- a new product shape F obtained by deforming the existing product shape C or the product shape C ′ by the deformation grid G is stored in a recording medium that is physically or logically connected.
- the calculation processing means has a function of displaying data in the course of each processing on the display means.
- the human body shape A or virtual human body shape A ', the human body shape B or virtual human body shape B' of the individual whose product is to be adapted, the existing product shape C or product shape C ', and the specific cross section H of the product shape Is configured to have a function of simultaneously superimposing and displaying the deformed grids E or G and three or more data including the deformed grids E or G among the new product shapes F. .
- the product shape design apparatus of the present invention not only the product is deformed by applying the individual differences in the human body shape, but also the design constraints that the product should have and the product conforming to the human body This will be extremely effective in practical use, since it will be possible to design products that conform to the shape of the individual's human body, taking into account the restrictions imposed on them.
- the product shape design device according to the present invention for example, it is possible to improve the suitability by absorbing individual differences in other parts while keeping the dimensions of parts using a mold as a mass-produced product.
- individualized product design utilizing mass production technology can be realized.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Computer Graphics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Textile Engineering (AREA)
- Processing Or Creating Images (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/554,107 US20060235656A1 (en) | 2003-04-21 | 2004-04-20 | Product shape designing device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-116181 | 2003-04-21 | ||
| JP2003116181A JP2004348172A (ja) | 2003-04-21 | 2003-04-21 | 製品形状設計装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004095321A1 true WO2004095321A1 (ja) | 2004-11-04 |
Family
ID=33307979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/005614 Ceased WO2004095321A1 (ja) | 2003-04-21 | 2004-04-20 | 製品形状設計装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20060235656A1 (ja) |
| JP (1) | JP2004348172A (ja) |
| WO (1) | WO2004095321A1 (ja) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2875043B1 (fr) * | 2004-09-06 | 2007-02-09 | Innothera Sa Lab | Dispositif pour etablir une representation tridimensionnelle complete d'un membre d'un patient a partir d'un nombre reduit de mesures prises sur ce membre |
| KR20080104396A (ko) * | 2007-01-11 | 2008-12-03 | 한국문화콘텐츠진흥원 | 파라미트릭 바디 모델 생성 방법 |
| ITMI20071803A1 (it) * | 2007-09-18 | 2009-03-19 | Magari S R L | Metodo per il calcolo della geometria di una forma per calzature personalizzate |
| JP5437926B2 (ja) * | 2010-06-15 | 2014-03-12 | 本田技研工業株式会社 | 形状データ作成システム及び形状データ作成方法 |
| US10314357B2 (en) | 2013-10-18 | 2019-06-11 | Vf Corporation | Anatomy shading for garments |
| US20150106993A1 (en) | 2013-10-18 | 2015-04-23 | The Regents Of The University Of California | Anatomy shading for garments |
| USD802256S1 (en) | 2016-01-29 | 2017-11-14 | V.F. Corporation | Pant with anatomy enhancing pockets |
| US10327487B2 (en) * | 2016-07-19 | 2019-06-25 | Vf Corporation | Body-enhancing garment and garment design |
| US20180014590A1 (en) | 2016-07-18 | 2018-01-18 | Vf Corporation | Body-enhancing garment and garment construction |
| EP4158600A4 (en) * | 2020-05-25 | 2024-09-25 | Toolkit 3D Canada ULC | METHOD AND DEVICE FOR CONSTRAINTING SHAPE DEFORMATION OF 3D OBJECTS |
| US12422826B2 (en) * | 2022-05-11 | 2025-09-23 | SXD, Inc. | Systems and methods for generating a zero-waste design pattern and reduction in material waste |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002092051A (ja) * | 2000-09-18 | 2002-03-29 | National Institute Of Advanced Industrial & Technology | 3次元形状設計方法及びその装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5818452A (en) * | 1995-08-07 | 1998-10-06 | Silicon Graphics Incorporated | System and method for deforming objects using delta free-form deformation |
| US6310627B1 (en) * | 1998-01-20 | 2001-10-30 | Toyo Boseki Kabushiki Kaisha | Method and system for generating a stereoscopic image of a garment |
| US7149665B2 (en) * | 2000-04-03 | 2006-12-12 | Browzwear International Ltd | System and method for simulation of virtual wear articles on virtual models |
| US7079134B2 (en) * | 2000-05-12 | 2006-07-18 | Societe Civile T.P.C. International | Three-dimensional digital method of designing clothes |
| JP3364654B2 (ja) * | 2000-05-31 | 2003-01-08 | 独立行政法人産業技術総合研究所 | 仮想形態生成装置及び生成方法 |
| US6546309B1 (en) * | 2000-06-29 | 2003-04-08 | Kinney & Lange, P.A. | Virtual fitting room |
| US7236948B1 (en) * | 2000-11-15 | 2007-06-26 | National Institute Of Advanced Industrial Science And Technology | Foot shape information distributing network system |
| GB0101371D0 (en) * | 2001-01-19 | 2001-03-07 | Virtual Mirrors Ltd | Production and visualisation of garments |
| US20020188372A1 (en) * | 2001-05-10 | 2002-12-12 | Lane Kenneth M. | Method and system for computer aided garment selection |
-
2003
- 2003-04-21 JP JP2003116181A patent/JP2004348172A/ja active Pending
-
2004
- 2004-04-20 US US10/554,107 patent/US20060235656A1/en not_active Abandoned
- 2004-04-20 WO PCT/JP2004/005614 patent/WO2004095321A1/ja not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002092051A (ja) * | 2000-09-18 | 2002-03-29 | National Institute Of Advanced Industrial & Technology | 3次元形状設計方法及びその装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060235656A1 (en) | 2006-10-19 |
| JP2004348172A (ja) | 2004-12-09 |
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