Embossment modeling method based on single photograph

A modeling method and embossing technology, which is applied in the field of embossing modeling based on a single photo, can solve the problems of low popularity and achieve good effects, smooth noise, and easy algorithm implementation

Active Publication Date: 2016-02-03
QINGDAO UNIQUE PRODS DEV
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Problems solved by technology

[0004] The invention provides a relief modeling method based on a single photo, by preprocessing a single color photo to obtain the corresponding grayscale image, and constructing a relief model according to the grayscale value of the grayscale image, which solves the traditional three-dimensional based Technical issues with low penetration of scanning or 3D reconstruction based on multiple photographs from different angles

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  • Embossment modeling method based on single photograph
  • Embossment modeling method based on single photograph
  • Embossment modeling method based on single photograph

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Embodiment Construction

[0018] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0019] like figure 1 As shown, the relief modeling method based on a single photo proposed by the present invention comprises the following steps:

[0020] Step S11: converting a single color photo into a grayscale image.

[0021] Use the weighted average algorithm to obtain the gray value of each pixel in a single color photo, specifically based on gray=(R*299+G*587+B*114) / 1000, where R, G, and B are The color value of a color photo pixel.

[0022] Step S12: Filtering the grayscale image. This is the preferred step.

[0023] Specifically, in a single photo, for the current pixel point (x, y) to be processed, select a pixel template, which is composed of several pixels adjacent to the current pixel; then calculate the gray value of all pixels in the pixel template , and then assign the gray mean value to the current...

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Abstract

The invention provides an embossment modeling method based on a single photograph. The embossment modeling method comprises steps of: converting the single photograph into a grayscale map; determining the outline of the grayscale map; determining the heights of pixels on the surface layer of the embossment according to the gray value of the grayscale map, constructing the top surface of the embossment and the side surface of the embossment; adding a bottom surface according to a requirement for the thickness and the shape of the bottom surface according to a process and on the basis of the outline; reconstructing the triangular patch of each surface; and generating a model file in a STL format. The method acquires the corresponding grayscale map by preprocessing the single color photograph, constructs the embossment model according to the gray value of the grayscale map, generates the STL-format model file which can be directly used for 3D printing, solves a technical problem of low degree of dissemination in the conventional three-dimensional reconstruction technology based on three-dimensional scanning and multiple photographs with different angles, and gives a more lifelike three-dimensional model.

Description

technical field [0001] The invention belongs to the technical field of computer application, and in particular relates to a relief modeling method based on a single photo. Background technique [0002] At present, there are mainly two ways to establish a 3D model for 3D printing: one is to reconstruct the data obtained by 3D scanning equipment, but the scanning equipment is expensive and the popularity is low; the other is to use professional 3D design software for 3D Design, this method requires operators to have rich professional knowledge and be proficient in using modeling software, and the operation is complicated and the cycle is long, so the popularity is relatively low. [0003] The popularity of digital cameras and the improvement of mobile phone camera functions make it very easy to obtain digital images. Based on this, the technology of 3D reconstruction based on photos has developed in recent years. The method is to use multiple photos from different angles for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/30
Inventor 王红王雅伯张莉
Owner QINGDAO UNIQUE PRODS DEV
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