TWM621333U - Face medical aesthetic analysis and simulation apparatus using 3D face scan data - Google Patents

Abstract

This invention creates a facial medical aesthetic analysis and simulation device using 3D facial scan data, including: a facial scan data acquisition unit, a feature point extraction unit, a facial area division unit, a simulation unit, an overlapping unit and a comparison unit; Thereby, the medical aesthetics analysis and simulation of the face is performed by using the three-dimensional facial scan data, and accurate medical aesthetic results can be obtained through the three-dimensional face scan data.

Description

Facial medical aesthetic analysis and simulation equipment using 3D facial scan data

This creative department is about a facial medical aesthetic analysis and simulation device, especially a facial medical aesthetic analysis and simulation device using 3D face scan data.

As technology evolves and people pay more and more attention to appearance, services to help users virtually simulate and beautify their appearance through plastic surgery, orthodontics, dermatology, cosmetics and accessories are also being added. User-matching services are also emerging.

At present, many researches are being carried out on the technology of realizing the user's appearance is similar to the actual appearance, and the technology of accurately analyzing the difference of the user's appearance. As a case of the existing technology, the user extracts the contours of facial elements, such as eyes, nose, from the face image obtained by the user. , mouth and chin, and based on the feature points of each element, techniques have been introduced that can be used to estimate a person's face, and, as another example of the prior art, allow users to access the Internet and transmit a comparison of the original image and according to the comparison original image provided by the user terminal through the user terminal, a portrait similarity comparison system composed of a similarity comparison server is introduced, and the server provides a comparison with a specific comparison target image. Similarity information.

However, according to the currently introduced technology, including the above-mentioned prior art, the entire face of the user is estimated only based on the local features obtained from the user's face or skeleton images, and the estimation uses The user's face only provides appearance comparison services, etc., so there is inevitably a gap between the actual results and the virtual results.

In view of the above-mentioned shortcomings of the current conventional technology, the author of this creation has thought about the idea of creation. After many discussions, trial production samples, and many revisions and improvements, this creation is launched.

This creation provides a facial medical aesthetic analysis and simulation device using 3D facial scan data, including: a facial scan data acquisition unit for acquiring the user's 3D facial scan data; a feature point extraction unit for acquiring the facial scan data. The unit is connected to extract 3D facial feature points from the 3D facial scan data obtained above; area; a simulation unit, connected with the face area division unit, to analogize the area of the divided 3D facial image, analyze the area of the 3D facial image according to the extracted 3D facial feature points, and calculate the analogy result, and then carry out storage; an overlay unit connected to the simulation unit for overlaying the calculated analog data, facial analysis information and 3D face scan data, and correcting after the procedure/surgery; and a comparison unit with the overlay unit Link to compare the calculated analog data, facial analysis information and 3D facial scan data during/after treatment, and extract the comparison information for stand-alone or web display.

The main purpose of using 3D facial scan data for facial medical aesthetic analysis and simulation equipment in this creation is to use 3D facial scan data to conduct medical aesthetic analysis and simulation of the face, and to obtain accurate medical aesthetic results through 3D facial scan data. .

10: Facial scan data acquisition unit

11: 3D Camera

20: Feature point extraction unit

30: face area division unit

40: Analog Unit

50: Overlapping Cells

60: Compare unit

70: User

80: Facial

A1: Feature point

A2: Area

B1: nose-frontal angle

B2: Nose tip angle

B3: Nose Bridge Angle

B4: Nasolabial angle

B5: Eye end angle

C1: Original face model

C2: Symmetrical model of the right face

C3: Left face symmetry model

D1: Model

D2: surgical line

D3: line segment

D4: Sphere

E1: Model before simulation

E2: Post-simulation model

F1: Simulate front length

F2: Simulate back face length

G1: Simulate front section

G2: Simulate back section

H1: Simulate front volume

H2: Simulate rear face volume

S01: 3D face scan data (at the beginning)

S02: 3D facial feature point acquisition

S03: 3D facial region division

S04: Facial analysis data

S05: Storage

S06: Simulation

S07: Simulation result data

S08: 3D facial scan data (during treatment/post-surgery)

S09: Overlap Comparison

S10: Obtaining difference data before and after simulation

S11: Provide result function (stand-alone/web page)

The first picture is a schematic diagram of the structure of this creation.

The second figure is the flow chart of this creation.

The third picture is a schematic diagram of the 3D facial scan data obtained by this creative shooting.

The fourth picture is a schematic front view of dividing the 3D area after extracting the feature points from the 3D facial scan data.

The fifth picture is a three-dimensional schematic diagram of dividing the 3D area after extracting the feature points from the 3D facial scan data.

The sixth picture is a side view of the face angle analysis of this creation.

The seventh picture is a front view of the face angle analysis of this creation.

The eighth picture is a schematic diagram of the facial curvature/depth analysis of this creation.

The ninth picture is a schematic diagram of the horizontal proportion analysis of the face in this creation.

The tenth picture is a schematic diagram of the vertical scale analysis of the face in this creation.

The eleventh figure is a schematic diagram of the facial symmetry analysis of this creation.

The twelfth picture is a schematic diagram of the model and surgical line used in this creation to simulate.

The thirteenth picture is a schematic diagram of this creation using line segments to simulate.

The fourteenth picture is a schematic diagram of this creation using a sphere to simulate.

The fifteenth picture is a schematic diagram of the comparison of the differences before and after the facial simulation in this creation.

The sixteenth picture is a schematic diagram of the comparison of the length of the face before and after the simulation of this creation.

The seventeenth picture is a schematic diagram of the comparison before and after the section simulation of this creation.

The eighteenth picture is a schematic diagram of the comparison before and after the facial volume simulation in this creation.

The following descriptions are further described below in conjunction with the drawings of the preferred embodiments of the present creation, in order to enable those who are familiar with the related technologies of the present creation to implement according to the statements in this specification.

First of all, please refer to the first and second figures together, it is a facial medical aesthetic analysis and simulation device 1 using 3D facial scan data for this creation, including: a facial scan data acquisition unit 10, a feature point extraction unit 20 , a face area dividing unit 30 , a simulation unit 40 , an overlapping unit 50 and a comparison unit 60 .

The facial scan data acquisition unit 10 is used for acquiring 3D facial scan data of the user 70 by using the 3D camera 11 (as shown in the third figure).

The feature point extraction unit 20 is connected to the face scan data acquisition unit 10 for extracting 3D facial feature points A1 (as shown in the fourth and fifth figures) from the 3D facial scan data (data) acquired above.

The facial region dividing unit 30 is connected with the feature point extracting unit 20 to divide the region of the 3D facial image based on the extracted 3D facial feature points A1, and divide the 3D facial image into several regions A2.

The simulation unit 40 is connected with the face area dividing unit 30 to compare the area A2 of the divided 3D facial image, and analyze the area A2 of the 3D facial image according to the extracted 3D facial feature points, as shown in Figs. As shown in Figure 7, analyze the nose frontal angle B1, nose tip angle B2, nose bridge angle B3, nasolabial angle B4 and eye tail angle B5, as shown in Figure 8, analyze the radian/depth of face 80, as shown in Figure 9 As shown in Figure 10, analyze the horizontal scale of the face 80, as shown in Figure 10, analyze the vertical scale of the face 80, as shown in Figure 11, display the original facial model C1, the right face symmetry model C2 and the left face symmetry model C3, analyze the face Symmetric, as shown in the twelfth figure, use the model D1 and the surgical line D2 to simulate, as shown in the thirteenth figure, use the line segment D3 to simulate, as shown in the fourteenth figure, use the sphere D4 to simulate, and calculate Analogy results, analyze the area of the 3D face, and then store it,

The overlay unit 50 is connected to the simulation unit 40 for overlaying the calculated analog data, face analysis information and 3D face scan data, and correcting after the procedure/surgery, as shown in Fig. 15, showing the simulation The comparison of the difference between the front model E1 and the model E2 after the simulation, as shown in Figure 16, shows the comparison of the length F1 of the front part of the simulation and the length F2 of the rear part of the simulation, as shown in Figure 17, showing the length of the front part G1 of the simulation and the length of the back part of the simulation. The slice G2 comparison, as shown in Figure 18, shows the simulated front face volume H1 compared to the simulated rear face volume H2.

The comparing unit 60 is connected to the overlapping unit 50 for comparing the calculated analog data, the facial analysis information and the 3D facial scan data during/after treatment, and extracting the comparison information to provide a stand-alone or web page display, thereby Get precise medical aesthetic results.

As shown in the second figure, this creation includes the following steps: 3D facial scan data (at the beginning) S01; 3D facial feature point acquisition S02; 3D facial area division S03; facial analysis data S04; storage S05; simulation S06; simulation Result data S07; 3D face scan data (during treatment/post operation) S08; overlapping comparison S09; difference data acquisition before and after simulation S10; providing result function (stand-alone/web page) S11.

From the structure of the above-mentioned specific embodiment, the following benefits can be obtained:

This creation uses 3D facial scan data for facial medical aesthetic analysis and simulation equipment 1, which uses 3D facial scan data to perform medical aesthetic analysis and simulation on the face, and has the ability to obtain accurate medical aesthetic results through 3D facial scan data. Better practicality and convenience.

10: Facial scan data acquisition unit

20: Feature point extraction unit

30: face area division unit

40: Analog Unit

50: Overlapping Cells

60: Compare unit

Claims (2)

A device for analyzing and simulating facial medical aesthetics using 3D facial scan data, comprising: a facial scan data acquisition unit for acquiring 3D facial scan data of a user; a feature point extraction unit connected to the facial scan data acquisition unit, In order to extract 3D facial feature points from the 3D facial scan data obtained above; a facial area dividing unit, connected with the feature point extraction unit, to divide the area of the 3D facial image according to the 3D facial feature points extracted above; a The simulation unit is connected with the face area division unit to compare the area of the divided 3D facial image, analyze the area of the 3D facial image according to the extracted 3D facial feature points, calculate the analogy result, and then store it; one an overlay unit, connected to the simulation unit, for overlaying the calculated analog data, facial analysis information and 3D face scan data, and for correction after the procedure/surgery; and a comparison unit, connected to the overlay unit, for using To compare the calculated analog data, facial analysis information and 3D facial scan data during/after treatment, and extract the comparison information for stand-alone or web display. The facial medical aesthetic analysis and simulation device using 3D facial scan data according to claim 1, wherein the facial scan data acquisition unit uses a 3D camera to capture the user's 3D facial scan data.

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