Personalized nail tip customization method based on 3D scanning and printing of mobile equipment

Abstract

The invention discloses a personalized manicure piece customization method based on 3D scanning and printing of mobile equipment, which comprises the following steps: (1) hand scanning: a user uses 3D scanning equipment equipped on the mobile equipment, such as structured light, ToF or LiDAR, to carry out 3D scanning on the mobile equipment in an environment with light intensity of 300-500 lux preferably; the hand is placed in a preferred range 10-30 cm away from the scanning device to be scanned, and it is ensured that the scanning angle is a preferred angle which is 45 degrees right above or obliquely above the hand, so that accurate 3D data of the hand and fingernails are obtained; and (2) data transmission and 3D modeling: transmitting three-dimensional data obtained by scanning to a server-side data processing system through a mobile equipment application program. The invention relates to the technical field of manicure customization, and particularly provides a personalized manicure piece customization method based on 3D scanning and printing of mobile equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of nail customization, and in particular to a method for customizing personalized nail art pieces based on 3D scanning and printing by a mobile device. Background Art

[0002] Currently, most products on the nail art market are standardized and cannot fully meet consumers' demand for personalized nail art. With the development of 3D scanning technology on mobile devices, such as structured light, time of flight (ToF) and laser radar (LiDAR), these technologies can quickly and conveniently obtain three-dimensional data of users' hands and nails. Combined with 3D printing technology, personalized nail art can be customized.

[0003] The purpose of the present invention is to provide a method for obtaining three-dimensional data of hands and nails by using the 3D scanning function of a mobile device, and customizing personalized nail art pieces in combination with 3D printing technology, so as to meet the market demand for personalized nail art. Summary of the invention

[0004] The technical problem to be solved by the present invention is that most of the nail products currently available on the market are produced in a standardized manner and cannot fully meet consumers' demands for personalized nail art.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: This solution provides a method for customizing personalized nail art pieces based on 3D scanning and printing by a mobile device, comprising the following steps:

[0006] (1) Hand scan

[0007] The user uses a 3D scanning device equipped with a mobile device, such as structured light, ToF or LiDAR, and places the hand within the preferred range of 10-30 cm from the scanning device for scanning in an environment where the light intensity is preferably 300-500 lux, ensuring that the scanning angle is the preferred angle of 45 degrees directly above or diagonally above the hand to obtain accurate 3D data of the hand and nails.

[0008] (2) Data transmission and 3D modeling

[0009] The scanned three-dimensional data is transmitted to the server-side data processing system through the mobile device application for noise filtering and point cloud data preprocessing. The point cloud data is then feature extracted using a deep learning-based semantic segmentation algorithm and convolutional neural network to optimize the recognition accuracy of the 3D model.

[0010] (3) Personalized nail art design

[0011] The thickness is adjusted and the shape is optimized based on the generated nail model, and color spraying and pattern design tools are integrated. Users can preview different nail art designs in the application.

[0012] (4) 3D printing and post-processing

[0013] Export the 3D model as an STL or OBJ file, import it into the 3D printer software, and set the printing parameters, including using PMMA or ABS material, a printing speed of 20-50 mm / s, and a layer thickness of 0.1-0.3 mm;

[0014] After printing is completed, the nail art piece will be subjected to surface treatments such as UV curing, spraying, and polishing to improve the beauty and durability of the nail art piece.

[0015] The method for customizing personalized nail art pieces based on 3D scanning and printing by a mobile device proposed in the present invention comprises the following steps:

[0016] The beneficial effects achieved by the present invention using the above structure are as follows: The present invention proposes a method for customizing personalized nail art pieces based on 3D scanning and printing by a mobile device.

[0017] (1) Using the 3D scanning device equipped on the mobile device, users can conveniently perform 3D scanning without the need for additional 3D scanning equipment.

[0018] (2) Through the server-side data processing system, the scan data can be efficiently converted into 3D models, providing accurate data support for 3D printing.

[0019] (3) The 3D printing system can quickly print personalized nail art pieces based on the 3D model, improving production efficiency and shortening the customization cycle.

[0020] (4) Post-processing methods further improve the quality of nail art pieces, meeting consumers’ dual demands for both aesthetics and durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 A schematic diagram of a process of converting scan data into a 3D model by a server-side data processing system of the present invention;

[0023] Figure 2 Schematic diagram of a mobile device of the present invention performing 3D scanning of a hand. DETAILED DESCRIPTION

[0024] The technical invention in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0026] like Figure 1 and Figure 2 As shown, the technical invention adopted by the present invention is as follows: a method for customizing personalized nail art pieces based on 3D scanning and printing by a mobile device, comprising the following steps:

[0027] Example 1: describes how a user uses a mobile device application to perform 3D hand scanning and obtain three-dimensional data. (1) The user launches the smartphone application and selects the hand scanning function.

[0028] (2) According to the prompts of the application, place your hand on the table or hold the phone to scan.

[0029] (3) The application captures 3D data of the hand through a depth-sensing camera or LiDAR and provides real-time feedback on the scanning effect.

[0030] Embodiment 2: describes how the server processes the three-dimensional data sent by the mobile device, generates a 3D model and extracts nail parameters.

[0031] (1) The mobile device performs preliminary noise filtering and hand model verification on the client side.

[0032] (2) After receiving the 3D data, the server performs further data preprocessing, including noise filtering and alignment and fusion of point cloud data.

[0033] (3) The server uses a deep learning algorithm for feature extraction and semantic segmentation based on a convolutional neural network to accurately extract the nail part.

[0034] (4) The server generates a complete 3D model and extracts nail parameters.

[0035] (5) The server saves the user's nail parameters for subsequent customization of nail art.

[0036] Example 3: describes the process of performing 3D printing and subsequent processing on the server side based on the nail design selected by the user using the saved nail parameters.

[0037] (1) The user selects a nail design in a mobile device application.

[0038] (2) The mobile device transmits the design selected by the user to the server.

[0039] (3) The server generates a model for 3D printing based on the saved user nail parameters and the design selected by the user.

[0040] (4) The server exports the generated 3D model as an STL or OBJ file.

[0041] (5) The server imports the STL or OBJ file into the 3D printer software and sets the printing parameters.

[0042] (6) Use a 3D printer to print nail art pieces based on the generated 3D model.

[0043] Example 4: describes the post-processing process of the nail art sheet, including UV curing, spraying, engraving, etc., to enhance the aesthetics and durability of the nail art sheet.

[0044] (1) Grind and smooth the surface of the printed nail art piece.

[0045] (2) Performing steps including UV curing, spraying, and engraving to enhance the hardness and durability of the nail art piece.

[0046] (3) Spraying and carving to increase the beauty of the nail art.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, material or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, material or apparatus.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for customizing personalized nail art pieces based on 3D scanning and printing by a mobile device, characterized in that: The following steps are involved: (1) Hand scan Use the 3D scanning function of mobile devices, such as structured light, ToF or LiDAR, to scan the user's hands and nails to obtain three-dimensional data; (2) Data transmission and 3D modeling The acquired three-dimensional data is transmitted to the server-side data processing system and converted into a 3D model; (3) Personalized nail art design Use the 3D printing system to print out personalized nail art pieces based on the 3D model; (4) 3D printing and post-processing The printed nail art pieces are post-processed, including surface treatment and decoration processes.

2. The method for customizing personalized nail art pieces based on 3D scanning and printing by mobile devices according to claim 1, characterized in that: In step (1), the scanning environment is a light intensity of 300-500 lux. The hand is placed in a preferred range of 10-30 cm from the scanning device for scanning, ensuring that the scanning angle is 45 degrees above or diagonally above the hand to obtain accurate 3D data of the hand and nails.

3. The method for customizing personalized nail art pieces based on 3D scanning and printing by mobile devices according to claim 1, characterized in that: In step (2), the data processing system on the server side adopts a semantic segmentation algorithm based on deep learning, uses a convolutional neural network to extract features from the point cloud data, accurately extracts the nail part, and generates a complete 3D model. The extracted nail parameters are used for subsequent 3D printing and personalized nail art design.

4. The method for customizing personalized nail art pieces based on 3D scanning and printing by mobile devices according to claim 1, characterized in that: In the 3D printing process of step (4), the material selected is PMMA or ABS, the printing speed is set to 20-50 mm / s, and the layer thickness is 0.1-0.3 mm, wherein the printing speed and layer thickness are preferred parameters.

5. The method for customizing personalized nail art pieces based on 3D scanning and printing by a mobile device according to any one of claims 1 to 4, characterized in that: The post-processing process includes UV curing, spraying, engraving, etc. to improve the aesthetics and durability of the nail art piece.

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