CN1932874A - Three-dimensional dress try-on system used for PDA - Google Patents

Abstract

A dummy fitting system relates to subdivision arithmetic using image analysis technology and three-dimensional figure combining with wireless network transmission, and belongs to moveable communications system technology and application technology field. The PDA three-dimensional fitting system combining with wireless network technology, three-dimensional figure dispose and figure identify technology, is a fleetly one with PDA for user using in dress retail shop, monopolization shop and other dress distribution shop. It can make a quick selection through right observation about the three-dimensional model. It relates to bar code figure analysis module at the ending of PDA, individual information sending module, bar code sending module, configure information sending module, incepting and display module, requiring module at the ending of server, individual information analysis module, figure forming module, figure subdivision module and figure sending module.

Description

A kind of three-dimensional fitting system that applies to PDA

Technical field

The invention belongs to mobile communication system technology and applied technical field, particularly a kind of algorithm of subdivision combining wireless Network Transmission of image analysis technology and three-dimensional picture of using realizes virtual fitting system.

Background technology

The proposition of mobile computing is that the exploitation of the development of wireless network and wireless terminal is opened and kept away a new world.Mobile computing allows various information equipments, portable terminal seamlessly combine by wireless network exactly, and collaborative work utilizes various resources fully.A kind of three-dimensional fitting system that applies to PDA that the present invention proposes, exactly combining wireless network technology handle with three-dimensional picture and image recognition technology realization user in the retail garment shop, brand shop or other garment marketing shops system that utilizes PDA to fit fast.

Along with the development of garment manufacturing industry, the miscellaneous beautiful clothes in various clothes shops are dazzling, and the various people of allowing of style is difficult to select.Special in the many shopping malls of the stream of people, often must arrange very long troop in fitting in the clothes shop.If the client has many clothes to want to try on, queuing will be wasted a lot of time so.The proposition of native system will change this situation, and the user can realize quick virtual fitting by PDA.Just can make a choice fast by directly observation to three-dimensional model.

Summary of the invention

Thereby the three-dimensional fitting system of a kind of PDA of applying to that the present invention proposes is in order to improve the efficient that realizes fitting and to obtain providing better service for the client.

In order to realize purpose of the present invention, the technical scheme that the three-dimensional fitting system of a kind of PDA of applying to that the present invention proposes takes is as follows:

The three-dimensional fitting system of a kind of PDA of applying to that the present invention proposes segments module, figure sending module by the bar code image analysis module, personal information sending module, bar code sending module, configuration information sending module, reception and the display module that are embedded in the PDA end and the enquiry module, personal information analysis module, figure generation module, the figure that are applied to server end.

Bar code sending module among the PDA sends to the analysis result of bar code image analysis module the enquiry module of server end.The personal information sending module sends to user's personal information (shoulder breadth, chest measurement, waistline, hip circumference) the personal information analysis module of server end simultaneously;

The enquiry module of server end is held the numbering of the bar code that sends over and the personal information analysis module obtains dress form by the clothes database to the resulting clothes model of the result of personal information analysis querying server three-dimensional data according to PDA;

Described personal information analysis module root a tree name user's personal information generates the three-dimensional modeling data of manikin, and personal information comprises the various parameters of manikin, as shoulder breadth, chest measurement, waistline, hip circumference.The figure generation module generates the three-dimensional model that a simple tri patch is formed in conjunction with clothes three-dimensional model and human 3d model data;

The figure of server end segmentation module is segmented computing according to the PDA configuration information that the PDA end sends over to the three-dimensional model that the figure generation module generates, thereby adapts to the height of various PDA performances and transmit the three-dimensional model of different resolution.The reception of PDA end and display module receive and this three-dimensional model of demonstration on the PDA screen;

When PDA user arrives retail garment shop, brand shop or other garment marketing shops, the user can want the bar code tried on or take the bar code picture of thinking try-on garment down by the PDA that has camera by artificial input, can bring better service for the client thereby can improve fitting efficient so fast.

Description of drawings

Fig. 1 is a kind of three-dimensional fitting system basic block diagram that applies to PDA;

Fig. 2 is LOOP subdivision rules figure;

Fig. 3 is LOOP segmentation design sketch;

Fig. 4 is a kind of three-dimensional fitting system function module figure that applies to PDA;

Fig. 5 is a kind of three-dimensional fitting system system data flowchart that applies to PDA;

Fig. 6 is a kind of program flow diagram that applies to the three-dimensional fitting system of PDA.

Embodiment

Further describe below in conjunction with accompanying drawing.

1) a kind of three-dimensional fitting system basic structure that applies to PDA as shown in Figure 1.

2) a kind of three-dimensional fitting system that applies to PDA, as shown in Figure 4.The enquiry module, personal information analysis module, figure generation module, figure segmentation module, the figure sending module that are applied to server end by the bar code image analysis module, personal information sending module, bar code sending module, configuration information sending module, reception and the display module that are embedded in the PDA end are in addition formed.As shown in Figure 1.

The function and the implementation procedure of PDA end module are described below:

Bar code image analysis module: when the user takes a fancy to the clothes of certain style, take the bar code of clothes by the PDA that has camera.Obtain the numbering of bar code by analysis to bar code image.The process of graphical analysis is: 1, the image of bar code is a coloured image, so earlier it is changed into gray-scale map.2,, become and have only black and pure white two kinds of gray scales with the gray-scale map binaryzation.3, utilize Laplace operator to carry out the gradient sharpening, make the character boundary of image obvious.4, the discrete noise on the removal image.5, integral inclination adjustment.6, Character segmentation, each numeral on the acquisition image.7, dimensional standard normalization makes the size of character consistent.After finishing above process, just obtained the numbering of bar code.

Personal information sending module: the userspersonal information who originally was stored among the PDA is comprised that shoulder breadth, chest measurement, waistline, hip circumference etc. send to server end by wireless network.

Bar code sending module: the bar code number by bar code number after the analysis of bar code image analysis module or the manual input of user is sent to server.

Receive and display module: the 3 D graphic data that reception server sends over, and graphic presentation to the display screen of PDA.

Configuration information sending module: the configuration information of PDA is comprised that arithmetic speed, memory content etc. send to server by wireless network.

The function and the implementation procedure of server end module are described below:

The personal information analysis module: according to the userspersonal information that user PDA is sended over, inquiry model matching list is determined the big ting model of clothes that suitable user is worn, and sends to the enquiry module of server end.Inquiry model table is a database of userspersonal information's corresponding certain model of parameter.Simultaneously, the personal information analysis module comes to form lineup's body three-dimensional models data according to the userspersonal information and sends to the figure generation module.

Enquiry module: the clothes database in the clothes model removal search server of the suitable user dress that sends over according to the numbering and the personal information module of bar code obtains the three-dimensional data of the pairing garment form of bar code number.And data are sent to the figure generation module.

Figure generation module: the synthetic three-dimensional model of human body model data that is sended in conjunction with garment form data that enquiry module sended over and personal information analysis module, just manikin is superimposed with garment form and forms user's selection in the dressing, the three-dimensional model of the clothes of suitable user body type.

Figure segmentation module: the three-dimensional model that is generated by the figure generation module is the fairly simple smaller three-dimensional data of data volume, therefore the triangle gridding of three-dimensional model is carried out refinement by the LOOP divided method and can obtain meticulousr three-dimensional model.The configuration information that is sended over according to the configuration information module decides the number of times that segments computing.Generate the three-dimensional picture that meets the receiver equipment processing power by control segmentation number of times.

The LOOP segmentation is that a kind of division approaches the segmentation pattern.The LOOP pattern is based on oriented boxlike batten three times, and the curved surface that is generated is C on regular surface ²Continuously, be C at singular point ¹Continuously.The LOOP pattern adopts the division of 1-4 triangle, only generates E-summit and V-summit.Implementation method is as follows:

(1) for the E-summit, two summits of establishing internal edges are v ₀, v ₁, and two gores on shared this limit are (v ₀, v ₁, v ₃) and (v ₀, v ₁, v ₂), then the E-summit is:

$v_E=\frac{3}{8}(v_0+v_1)+\frac{1}{8}(v_2+v_3)$

(2) to each internal vertex V, establishing its adjacent vertex is v ₀, v ₁..., v _N-1, shown in Fig. 1 (b), then corresponding V summit is defined as:

$V_v=(1-n{\mathrm{\β}}_n)v+{\mathrm{\β}}_n\underset{l=0}{\overset{n-1}{\mathrm{\Σ}}}{v}_l$

(3) in order to strengthen the slickness of boundary curve, to do special processing to the border.As boundary edge (v ₀, v ₁) on the E summit be defined as: $v_E=\frac{1}{2}(v_0+v_1),$ V summit on the border vertices v is defined as: $v_v=\frac{1}{8}(v_0+v_1)+\frac{3}{4}v,$

V wherein ₀, v ₁Be its adjacent vertex, as Fig. 1 (c) (d) shown in.

(4) above is β _nA very important parameter, choosing of it not only directly reflects the object really degree, even can generate a strange object.According to more existing theoretical values, found through experiments, select following weights effect better:

${\mathrm{\β}}_n=\frac{1}{n}[\frac{5}{8}-{[\frac{3}{8}+\frac{1}{4}\cos \frac{2\mathrm{\π}}{n}]}^2]$

Carry out a LOOP segmentation calculated result as shown in Figure 3.

The three-dimensional picture that can obtain different complexities through the segmentation computing of the different number of times of segmentation adapts to the PDA of different disposal ability.

Figure sending module: the figure segmentation three-dimensional modeling data that module produced is sent to reception and the display module that PDA holds, finish the work of demonstration by it.

A kind of three-dimensional fitting system data flow process figure that applies to PDA as shown in Figure 5, its program flow diagram is as shown in Figure 6.

When the user arrives some garment marketing shops that the native system server is installed, the user has found the clothes style of oneself liking.At this moment, he can be by the digital picture of selecting manually to import bar code or taking bar code by the camera that PDA has.After the user confirms input, bar code transmission image analysis module is carried out digit recognition according to the digital picture of bar code and is obtained bar code number, and this numbering sent to the bar code sending module, bar code number is sent to the enquiry module of server end by the bar code sending module.Enquiry module obtains the three-dimensional data of garment form according to the numbering search clothes database of bar code.(this everybody information is kept in the PDA by the user personal information sending module in advance the userspersonal information simultaneously, comprise shoulder breadth, chest measurement, waistline, hip circumference etc.), send to the personal information analysis module of server end, the personal information analysis module finds the model size that is fit to user's dress according to personal information in the model matching list, and sends to the figure generation module according to personal information generation human body model data.Selected a cover Western-style clothes as the user, the parameter that provides in the personal information according to the user, inquiry model matching list obtains the model of suitable user, if do not have suitable model then notify the user not have suitable model.If found suitable model, then according to the result of user profile and inquiry, the figure generation module superposes garment form data and human body model data and forms a three-dimensional model.As the cover Western-style clothes that the user selects, obtained the three-dimensional model of this cover Western-style clothes in the dressing this moment.The three-dimensional picture that obtains is more sparse triangle grid model.Figure segmentation module receives the configuration information that the configuration information sending module of PDA end sends over (comprising the arithmetic speed, memory size of PDA etc.), the figure segmentation is carried out the number of times of LOOP segmentation computing according to this information decision, thereby obtains being fit to the interior three-dimensional picture of user PDA processing power.This three-dimensional picture sends to PDA by server, and the reception of PDA end and display module receive and show on the PDA screen.Whether suitable this moment, the user just can observe this three-dimensional model on PDA, intuitively must analyze own the dress, realized virtual fitting apace.

Claims (5)

1, a kind of three-dimensional fitting system that applies to PDA is characterized in that comprising that the bar code image analysis module, personal information sending module, bar code sending module, configuration information sending module, reception and the display module that are arranged at the PDA end are arranged at the enquiry module of server end, personal information analysis module, figure generation module, figure segmentation module, figure sending module in addition.

2, the three-dimensional fitting system that applies to PDA according to claim 1 and 2 is characterized in that being connected by wireless network between PDA and server module.

3, the three-dimensional fitting system that applies to PDA according to claim 3 is characterized in that comprising following process:

1) user can want the bar code tried on or take the bar code picture of thinking try-on garment down by the PDA that has camera by artificial input;

2) the bar code sending module among the PDA sends to the analysis result of bar code image analysis module the enquiry module of server end.The personal information sending module sends to user's personal information (shoulder breadth, chest measurement, waistline, hip circumference) the personal information analysis module of server end simultaneously;

3) enquiry module of server end is held the numbering of the bar code that sends over and the personal information analysis module obtains dress form by the clothes database to the resulting clothes model of the result of personal information analysis querying server three-dimensional data according to PDA;

4) the personal information analysis module is according to the three-dimensional modeling data of user's personal information generation manikin, and personal information comprises the various parameters of manikin, as shoulder breadth, chest measurement, waistline, hip circumference.The figure generation module generates the three-dimensional model that a simple tri patch is formed in conjunction with clothes three-dimensional model and human 3d model data;

5) figure of server end segmentation module is segmented computing according to the PDA configuration information that the PDA end sends over to the three-dimensional model that the figure generation module generates, thereby adapts to the height of various PDA performances and transmit the three-dimensional model of different resolution.The reception of PDA end and display module receive and this three-dimensional model of demonstration on the PDA screen.

4, apply to the three-dimensional fitting system described figure LOOP segmentation module of PDA according to claim 4, it is characterized in that:

1) triangle gridding to three-dimensional picture carries out computing according to the LOOP divided method, obtains the 3 D graphic data of different resolution;

2) number of times of computing is segmented in the analysis result decision that is sended over according to the device configuration information analysis module.

5, apply to the described bar code image analysis module of three-dimensional fitting system of PDA according to claim 4, it is characterized in that: the numbering that obtains bar code by analysis bar code image.

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