JP2021059049A - Method and apparatus for manufacturing three-dimensional object - Google Patents

Abstract

To provide a three-dimensional object in which a two-dimensional image is used as a motif, and a specific style is added to the two-dimensional image.SOLUTION: A three-dimensional object that reflects a specific style is manufactured by a method having the following steps (1)-(3): (1) a step in which two-dimensional image reading means 11 reads a two-dimensional image 20 being a motif of the three-dimensional object, and prepares two-dimensional image data; (2) a step in which image data conversion means 12 refers to style data stored in style data storage means 13, and by mathematical means, converts the two-dimensional image data to three-dimensional data in which the syle has been reflected; and (3) a step in which a 3D printer 14 reads the three-dimensional data to prepare a three-dimensional object 40.SELECTED DRAWING: Figure 1

Description

The present invention relates to a method for manufacturing a three-dimensional model, and more particularly to a method for manufacturing a three-dimensional model that reflects a specific style.
The present invention also relates to a three-dimensional model manufacturing apparatus that can be used in the method for manufacturing such a three-dimensional model.

In recent years, with the spread of 3D printers (three-dimensional printing machines), it has become possible to easily manufacture three-dimensional shaped objects even at home, etc., and three-dimensional shaped objects such as characters can be manufactured according to the user's preference. Various devices have been developed for this purpose.

For example, Patent Document 1 discloses a three-dimensional model creation device capable of easily manufacturing a three-dimensional model of a character together with a three-dimensional model of a subject. In Patent Document 1, a subject (person) is photographed with a sub-image object (for example, a stuffed animal) placed on the knee, and the three-dimensional data of the sub-image object is stored in the three-dimensional data storage unit. By substituting with the original data, it is possible to manufacture a three-dimensional model of the character together with the three-dimensional model of the subject (person).

Further, Patent Document 2 describes a system and a method for producing a 3D figure using a plurality of image data captured by using a plurality of different cameras.

Three-dimensional objects such as characters have different desires depending on individual hobbies and tastes. Also, when looking at a character in a two-dimensional image, there are cases where a three-dimensional model with the two-dimensional image as a motif is desired.
Known techniques such as those described above have been insufficient to meet such demands.

Japanese Unexamined Patent Publication No. 2016-198962 JP-A-2015-210267

The present invention has been made in view of the above background technology, and an object of the present invention is to provide a three-dimensional model in which a two-dimensional image is used as a motif and a specific style is added to the two-dimensional image. ..

As a result of diligent studies to solve the above problems, the present inventor relates to a specific style (for example, a style of a specific painter) with respect to the two-dimensional image data obtained by reading the two-dimensional image of the motif. Individual hobbies / preferences by referring to the style data, converting the two-dimensional image data into three-dimensional data that reflects the style by mathematical means, and creating a three-dimensional model based on the three-dimensional data. We have found that it is possible to obtain a three-dimensional model that matches the above, and have completed the present invention.

That is, the present invention is a method for manufacturing a three-dimensional model that reflects a specific style.
(1) A step in which a two-dimensional image reading means reads a two-dimensional image that is a motif of the three-dimensional model and creates two-dimensional image data.
(2) A step in which the image data conversion means refers to the style data stored in the style data storage means, and the two-dimensional image data is converted into three-dimensional data reflecting the style by mathematical means. ,
(3) A process in which a 3D printer reads the three-dimensional data and creates a three-dimensional model.
It provides a method of manufacturing a three-dimensional modeled object characterized by having.

Further, in the present invention, (4) the style data storage means creates the style data by reading an existing two-dimensional image reflecting a specific style that is the source of the style data and mathematically analyzing it. It provides a method for manufacturing the above-mentioned three-dimensional modeled object, which further includes a step of storing and storing.

The present invention also provides a method for manufacturing the above-mentioned three-dimensional model having a size of ^{1 cm 3} or more and 50 cm ^{3 or less.}

Further, the present invention is a three-dimensional model manufacturing apparatus that reflects a specific style, and is a two-dimensional image reading that reads a two-dimensional image that is a motif of the three-dimensional model and creates two-dimensional image data. Means, style data storage means in which style data is stored, image data conversion means for converting the two-dimensional image data into three-dimensional data reflecting the style by a mathematical means with reference to the style data, and The present invention provides an apparatus for manufacturing a three-dimensional model, which comprises a 3D printer for reading the three-dimensional data and producing the three-dimensional model.

Further, in the present invention, the style data storage means creates and stores the style data by reading an existing two-dimensional image reflecting a specific style that is the source of the style data and mathematically analyzing it. It provides a manufacturing apparatus for the above-mentioned three-dimensional modeled object.

According to the present invention, it is possible to provide a three-dimensional model in which a specific style is added to the two-dimensional image by using the two-dimensional image as a motif, and it is possible to provide a tertiary character or the like in line with an individual's taste / preference. You can easily get the original model.

It is the schematic of the manufacturing method of the three-dimensional model | thing of this invention.

Hereinafter, the present invention will be described, but the present invention is not limited to the following embodiments, and can be arbitrarily modified and carried out.

The three-dimensional model produced by the method for producing a three-dimensional model of the present invention reflects a specific style.

"Specific style" is a feature of a painting by a specific author (note that this "author" does not necessarily mean an individual author, for example, "a plurality of authors are common". It is a broad concept that includes "an illustration company that creates illustrations of features").

For example, Katsushika Hokusai, an ukiyo-e artist from the Edo period, draws pictures of the zodiac animals in "Hokusai Manga."
In the present invention, the style data of Katsushika Hokusai is stored by reading the data of the pictures of the animals of the Zodiac drawn by Katsushika Hokusai. Then, the two-dimensional image of the elephant as the motif (actual photograph or illustration drawn by another author) is read, and the data of the two-dimensional image of the elephant is converted into the three-dimensional data reflecting the style data of Katsushika Hokusai. .. By reading the three-dimensional data into a 3D printer, it is possible to manufacture an "elephant three-dimensional model that reflects the style of Katsushika Hokusai." By using the style data of various authors as the style data, it is possible to manufacture a three-dimensional model of an elephant that suits an individual's hobbies and tastes.

FIG. 1 shows an outline of a method for manufacturing a three-dimensional model of the present invention. The three-dimensional model manufacturing apparatus 1 used in the three-dimensional model manufacturing method of the present invention includes a two-dimensional image reading means 11, an image data conversion means 12, a style data storage means 13, and a 3D printer 14. ..
The method for producing a three-dimensional model of the present invention has the steps (1) to (3) described later, and if necessary, the step (4) described later.

<Step (1)>
In this step, the two-dimensional image reading means 11 reads the two-dimensional image 20 which is the motif of the three-dimensional modeled object and creates the two-dimensional image data.
The "two-dimensional image 20 that is the motif of a three-dimensional model" is, in the previous example, a two-dimensional image of an elephant (photograph or illustration of an elephant).

The format of the two-dimensional image data is not particularly limited. For example, JPG, PNG, STL, STP, STEP, DXF, DWG, BMI, IGES and the like can be exemplified.

<Step (2)>
In this step, the image data conversion means 12 refers to the style data stored in the style data storage means 13. The image data conversion means 12 refers to the two-dimensional image data produced by the two-dimensional image reading means 11 in the step (1). Then, the image data conversion means 12 converts the two-dimensional image data into three-dimensional data reflecting the style specified by the style data stored in the style data storage means 13 by mathematical means.
The "style specified by the style data stored in the style data storage means 13" is, in the previous example, "the style of Katsushika Hokusai created by reading the data of the pictures of the animals of the zodiac". ..

The format of the style data is not particularly limited, and the same data format as the above-mentioned two-dimensional image data can be exemplified.
Further, the style data may be stored in advance in the style data storage means 13 of the three-dimensional model manufacturing apparatus 1, or may be created and stored each time by the step (4) described later. It may be a thing.

As a mathematical means used by the image data conversion means 12 to convert two-dimensional image data into three-dimensional data, a method using linear transformation, affine transformation, or the like can be appropriately used.
The format of the three-dimensional data is also not particularly limited, but a format that can be read by a commercially available 3D printer is desirable. For example, STL, OBJ, VRML, 3DS, PLY and the like can be mentioned.

<Step (3)>
In this step, the 3D printer 14 reads the three-dimensional data created by the image data conversion means 12 to produce a three-dimensional model.
The 3D printer 14 is not particularly limited, and a known 3D printer can be used as appropriate.

The type of the three-dimensional model manufactured by the manufacturing method of the present invention is not particularly limited, and examples thereof include characters such as people and animals; vehicles such as automobiles, trains, and aircraft; buildings; and the like.

The size of the three-dimensional model produced by the production method of the present invention is also not particularly limited, but from the viewpoint of utilizing the advantage of the present invention that the three-dimensional model can be produced according to the hobbies and tastes of the user. Therefore, it is particularly desirable that the size is such that it can be easily manufactured without worrying about material costs.
Specifically, the size of the 3D object is preferably 1 cm ³ or more, 3 cm ³ or more is particularly preferable. Further, 50 cm ³ or less is preferable, and 30 cm ³ or less is particularly preferable.

<Step (4)>
In this step, the style data storage means 13 creates and saves the style data by reading the existing two-dimensional image 30 reflecting the specific style that is the source of the style data and mathematically analyzing it.
The "existing two-dimensional image 30 reflecting a specific style" is, in the previous example, a picture of the zodiac animals described in "Hokusai Manga".

The style data may be created by reading a single two-dimensional image 30, or may be created by reading a plurality of two-dimensional images 30. The latter is preferred in order to more accurately reflect the style.

The means of mathematical analysis when the style data storage means 13 creates style data is not particularly limited, and known methods such as regression analysis, factor analysis, principal component analysis, cluster analysis, and discriminant analysis should be appropriately used. Can be done.

In the method for manufacturing a three-dimensional model of the present invention, various three-dimensional models can be freely manufactured by using an existing two-dimensional image as a motif and adding a specific style to the two-dimensional image. , The manufacturing method of the present invention is widely used for manufacturing toys such as capsule toys; and the like.

1 3D model manufacturing equipment 11 2D image reading means 12 Image data conversion means 13 Style data storage means 14 3D printer 20 2D image (3D model motif)
30 Two-dimensional image (source of style data)
40 3D model

Claims (5)

It is a manufacturing method of a three-dimensional model that reflects a specific style.
(1) A step in which a two-dimensional image reading means reads a two-dimensional image that is a motif of the three-dimensional model and creates two-dimensional image data.
(2) A step in which the image data conversion means refers to the style data stored in the style data storage means, and the two-dimensional image data is converted into three-dimensional data reflecting the style by mathematical means. ,
(3) A process in which a 3D printer reads the three-dimensional data and creates a three-dimensional model.
A method for manufacturing a three-dimensional model, which is characterized by having. (4) The process of creating and saving the style data is further performed by the style data storage means reading an existing two-dimensional image reflecting a specific style that is the source of the style data and mathematically analyzing it. The method for manufacturing a three-dimensional model according to claim 1. The method for manufacturing a three-dimensional model according to claim 1 or 2, wherein the three-dimensional model has a size of 1 cm ³ or more and 50 cm ^{3 or less.} A two-dimensional image reading means that is a three-dimensional model manufacturing device that reflects a specific style, reads a two-dimensional image that is the motif of the three-dimensional model, and creates two-dimensional image data, and saves the style data. The style data storage means, the image data conversion means for converting the two-dimensional image data into three-dimensional data reflecting the style by a mathematical means with reference to the style data, and the three-dimensional data. An apparatus for manufacturing a three-dimensional model, which comprises a 3D printer that reads and produces a three-dimensional model. 4. The style data storage means creates and stores the style data by reading an existing two-dimensional image reflecting a specific style that is the source of the style data and mathematically analyzing the image. The three-dimensional model manufacturing apparatus described in.

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