TWI789058B - Photography device for 3D model making, 3D model making system and method - Google Patents

Abstract

A three-dimensional model making system includes a plurality of photography devices for three-dimensional model making, a control module and an image synthesis modeling device. The base parts of a plurality of photographing devices for making three-dimensional models are arranged on a placing surface and surround to form a photographing space, and the image capturing part of the image capturing module is facing the photographing space. The control module is used to control the photography device for making the three-dimensional model to capture the two-dimensional image of the photography space synchronously. The image synthesis modeling device is electrically connected to the image capture part of the image capture module, and the two-dimensional images captured by the image capture part are sent to the image synthesis device, and then synthesized by the image synthesis device to form a three-dimensional model.

Description

Photography device for 3D model making, 3D model making system and method

The present invention relates to the technical field of 3D model making, in particular to a photographic device for 3D model making, a 3D model making system and a method for constructing a 3D model by surrounding and synchronously photographing a photographic space with multiple rows of photographic devices.

Film and television entertainment is an indispensable part of daily life, so the film and television industry is also a very important industry at present. In addition to the traditional shooting methods of existing film and television works, due to the development of three-dimensional image technology, special effects of three-dimensional image technology are often added to film and television works in the post-production stage to enrich the content of film and television works and make them appear traditional. Various effects that cannot be expressed by means provide consumers with more enjoyment of sound, light and video.

However, the existing equipment for generating 3D images is expensive and complicated, which leads to huge construction costs, which in turn increases the cost of 3D post-production technology. Therefore, the 3D post-production of local film and television works is often carried out by overseas manufacturers, which makes local The development of 3D technology post-production industry is limited, and it is difficult to cultivate a real local 3D post-production technology industry.

In view of this, the object of the present invention is to provide a photographic device for making a three-dimensional model, a system and a method for making a three-dimensional model, in which a plurality of photographic devices for making a three-dimensional model that are convenient to erect are arranged around 360 degrees in the photographing space, and are matched with synchronous Photographic technology and image synthesis to form a 3D model. In this way, high-quality three-dimensional model images can be produced with low-cost equipment, which solves the problems of complex and expensive three-dimensional equipment and high production costs in the prior art.

An embodiment of the photography device for making a 3D model of the present invention includes a frame and a plurality of image capturing modules. The frame includes a base part and at least one extension part, and the extension part is arranged on the base part and extends toward a first direction. A plurality of image capture modules are arranged on the extension and arranged along the first direction, and each image capture module includes at least one image capture component.

In another embodiment, the frame includes a pair of extensions, the pair of extensions are disposed on the base, and the image capture modules are disposed on the extensions and arranged along the first direction.

In another embodiment, a pair of extension pieces are arranged in parallel, and the first direction is perpendicular to the base piece.

In another embodiment, the frame further includes a plurality of supporting parts and a light emitting part, the plurality of supporting parts are arranged between a pair of extension parts, and the light emitting part is arranged in a pair of supporting parts.

In another embodiment, the light-emitting element is elongated and extends along the first direction, and the light-emitting element is disposed on a side of the extension element close to the base element or a side away from the base element.

In another embodiment, the photography device for making a three-dimensional model of the present invention further includes a sheath, which covers the frame and has a plurality of grooves, and the image capture parts of the image capture modules pass through the grooves. A slot emerges from the sheath.

In another embodiment, the image capture parts of the image capture modules are disposed on the same side of the extension part.

In another embodiment, each image capture module further includes a base, the base has a spherical bearing part, and at least one image capture part is rotatably disposed on the spherical bearing part.

An embodiment of the 3D model making system of the present invention includes a plurality of the aforementioned photographic devices for 3D model making, a control module and an image synthesis modeling device. The base parts of the three-dimensional model-making photographic devices are set on a placement surface, and the three-dimensional model-making photographic devices surround to form a photographic space, and the image capture parts of the image capture modules face the photography space. The control module is used to control the photographing devices for making three-dimensional models to capture the two-dimensional images of the photographing space synchronously. The image synthesis modeling device is electrically connected to the image capture parts of the image capture modules, and the two-dimensional images captured by the image capture parts are sent to the image synthesis device and synthesized by the image synthesis device. A three-dimensional model is formed.

In another embodiment, the 3D model making system of the present invention further includes a 3D model database, and the 3D model formed by the image synthesis modeling device is stored in the 3D model database.

The three-dimensional model production method of the present invention includes the following steps: providing the above-mentioned photographic device for three-dimensional model production; arranging the photographic devices for three-dimensional model production on a placement surface around a photographic space, and making the image capture modules The image capturing parts are directed toward the photographing space; the image capturing parts capture a plurality of two-dimensional images of the photographing space synchronously; and synthesize the two-dimensional images to form a three-dimensional model.

In another embodiment, the frame of the photography device for making the three-dimensional models is manufactured by an additive manufacturing method.

The camera device for making a three-dimensional model of the present invention is equipped with a plurality of image capture modules in a frame structure, and the image capture modules can be arranged on the frame according to requirements, and the frame can be made by a laminated manufacturing method. The three-dimensional model of the present invention The production system forms a photographic space surrounded by a plurality of photographic devices for 3D model production, and constructs a 3D model by controlling the multiple photographic devices for 3D model production to capture images in the photographic space synchronously and synthesizing the images.

The three-dimensional model constructed by the three-dimensional model making system of the present invention is stored in a three-dimensional model database, and the three-dimensional models in the three-dimensional model database are classified, and users (designers or general consumers) can connect to The 3D model database, after payment, enters the database to search for related 3D models and downloads them for use. In this way, users can find suitable 3D model objects in the 3D model database and do not need to construct them one by one.

Since the three-dimensional model making system of the present invention is constructed around a plurality of photographic devices for three-dimensional model making, it often takes a lot of time to create something from scratch compared to the traditional piece model method. The three-dimensional model making system of the present invention has more A photographic device for making a 3D model can be shot simultaneously, and then the image can be modified to complete, which can greatly shorten the time for making a 3D model. In addition, multiple photographic devices for 3D model making can be transported to the shooting site and then assembled, so there is no need to build a huge photographic studio, which provides timeliness and convenience for 3D post-production effects, and the construction of the overall equipment The cost and the production cost of the subsequent 3D model are also greatly reduced.

Please refer to FIG. 1 and FIG. 2 , which show the first embodiment of the camera stand of the 3D model making system of the present invention and the first embodiment of the photography device for 3D model making. The camera stand of the 3D model making system of this embodiment is surrounded by a plurality of 3D model making imaging devices 100 . The three-dimensional model making system of this embodiment includes eight photographing devices 100 for making three-dimensional models, and the eight photographing devices 100 for making three-dimensional models surround a photographing space S at 360 degrees, but the three-dimensional model making system of the present invention is not limited to eight three-dimensional models. The photographing devices 100 for making a model may depend on the size of the photographing space S, for example, there may be six photographing devices 100 for making a three-dimensional model or twelve photographing devices 100 for making a three-dimensional model.

Each photographing device 100 for making a three-dimensional model includes a frame 10 and a plurality of image capturing modules 20 . The frame 10 includes a base member 11 and an extension member 12. The base member 11 has a rod-shaped structure and is placed on the ground. The base member 11 of this embodiment includes two pairs of first rods 111 and second Two rods 112, a pair of first rods 111 are arranged in front and rear relative to the photographing space S in a way of one far and one near, and the other pair of second rods 112 is connected to a pair of first rods 111 by extending forward and backward. This forms a stable base. The frame 10 also includes a pair of connecting parts 13, the connecting parts 13 are arranged on the first rod body 111, and are used to connect the adjacent frames 10, so that the base parts 11 of the photographic device 100 for making each three-dimensional model of the base parts 11 are two to each other. The two are connected. The present invention is not limited thereto, and the base member 11 can also be composed of a single rod, and a stable base can also be integrally formed by connecting the base members 11 of a plurality of photographic devices 100 for making a three-dimensional model.

The extension piece 12 is also a rod-shaped structure, which is connected to the base piece 11, and the extension piece 12 extends along a first direction L1. In this embodiment, the first direction L1 is perpendicular to the ground, so the extension piece 12 is perpendicular to the base piece 11. upright. In another embodiment, the extension piece 12 can also be arranged in an arc shape. Each extension piece 12 in this embodiment is composed of a pair of third rod bodies 121 arranged in parallel, and the pair of third rod bodies 121 are respectively arranged in front and back in a manner of forming one far and one near relative to the photographing space S, and are respectively connected. On the rod member 111 of the base member 11, a plurality of third rod bodies 121 are provided. In this embodiment, four support bodies 122 are arranged between the pair of third rod bodies 121. The support bodies 122 connect the pair of The third rod body 121 enables the extension member 12 to have better structural strength. Each supporting body 122 is U-shaped, and the U-shaped openings of adjacent supporting bodies 122 face opposite directions.

In addition, the frame 10 of this embodiment has a pair of extension pieces 12, and the pair of extension pieces 12 are arranged parallel to each other. In this embodiment, the distance between the pair of extension parts 12 is the same as the distance between the second rods 112 of the base part 11 .

A plurality of image capture modules 20 are arranged on a pair of extensions 12 and located on the third rod body 121 close to the photography space S, and each third rod body 121 of this embodiment is provided with five image capture modules 20, arranged on the third rod body 121 along the first direction L1 from top to bottom. The number of image capture modules 20 on each third rod body 121 can be set according to requirements and is not limited, and only one image capture module 20 can be provided.

The image capturing module 20 includes a base 21 , a connecting part 22 and an image capturing part 23 . The base 21 is disposed on the third rod body 121 and has a spherical bearing portion 211 which is a spherical concave portion. The connecting member 22 has a spherical connecting portion 221 which is a spherical convex portion. With the spherical connecting portion 221 rotatably disposed on the spherical bearing portion 211 , the connecting member 22 can be rotated and positioned in various directions facing the photographing space S. As shown in FIG. The image capture part 23 includes a photographic lens and an image sensor. The image capture part 23 is positioned on the connecting part 22. The connecting part 22 can be positioned in any direction towards the photographing space S, so that the image capturing part 23 can face the individual direction to capture images.

Please refer to FIG. 3 and FIG. 4 , which show the second embodiment of the camera stand of the 3D model making system and the second embodiment of the camera stand for 3D model making of the present invention. This embodiment has part of the same structure as the first embodiment, so the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the first embodiment is that the imaging device 100 for making a three-dimensional model of this embodiment further includes a light emitting element 30, which is arranged between a pair of extension elements 12, and the light emitting element 30 of this embodiment is set On the third rod body 121 close to the shooting space S, and straddling the third rod body 121 of the two extension pieces 12, and the light-emitting element 30 of this embodiment straddles the two third rods in an oblique manner Between body 121. But the present invention is not limited thereto. As shown in FIG. 5 and FIG. 6 , the light-emitting element 30 may also be a supporting body 122 straddling each extension element 12 along the first direction L1, that is, each photographing device 100 for making a three-dimensional model. A pair of light emitting elements 30 are provided, and the pair of light emitting elements 30 are arranged opposite to each other. As shown in FIG. 5 , the light-emitting element 30 may be arranged at a position closer to the base member 10 , or at a position closer to the top of the extension member 12 as shown in FIG. 6 . The light-emitting element 30 in this embodiment is in the shape of a strip, which may be a light-emitting light bar composed of a plurality of light-emitting diodes. The light-emitting element 30 of this embodiment is disposed between the two rows of image capture modules 20 of the two extension elements 12 to provide light with proper brightness when the image capture modules 20 capture images.

Please refer to FIG. 7 and FIG. 8 , which show a third embodiment of the photography device for making a 3D model of the present invention and a camera platform of a 3D model making system composed of the photography device for making a 3D model of the third embodiment. This embodiment has part of the same structure as the second embodiment, so the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the second embodiment is that the imaging device 100 for making a three-dimensional model in this embodiment further includes a sheath 40, and the sheath 40 covers the frame 10, and the sheath 40 of this embodiment covers the extension 12 And part of the base part 11. The sheath 40 is provided to cover the multiple cables connected to the image capture module 20 and the light-emitting element 30, on the one hand, to prevent people from accidentally pulling the cables and causing the three-dimensional model to be made The photographing device 100 falls down, and on the other hand, it increases the appearance of the photographing device 100 for creating a three-dimensional model. The sheath 40 can be made of acrylic. The sheath 40 includes a plurality of grooves 41, at least the image capture piece 23 of the image capture module 20 is exposed from the groove 41, and the size of the groove 41 is larger than the size of the image capture piece 23, on the one hand, it is convenient to pass through the image The capturing part 23 is assembled, and on the other hand, it provides room for the image capturing part 23 to rotate, so as to prevent the image capturing part 23 from touching when rotating.

In addition, as shown in FIG. 8 , the three-dimensional model making system of this embodiment also includes a photographic device 50 for auxiliary three-dimensional model making, which can be arbitrarily placed on the extension covered by the sheath 40 according to the position where the image needs to be captured. between the components 12, that is, placed between two rows of image capture modules 20.

Please refer to FIG. 9 , which is a system block diagram of the 3D model making system of the present invention. The 3D model making system 1 of the present invention includes a plurality of photography devices 100 for making a 3D model, and the plurality of photography devices 100 for making a 3D model surround the photography space S to capture 2D images of the photography space S. The 3D model making system 1 of the present invention further includes a control device 200 , and the control device 200 includes a central processing unit 210 , a mechanical control module 220 and a data transmission module 230 . The control device 200 of this embodiment may be a computer device, such as a Raspberry Pi microcomputer.

The mechanical control module 220 and the data transmission module 230 are connected to the central processing unit 210 . The mechanical control module 220 is connected to the image capture module 20 and the light emitting element 30. The mechanical control module 220 is used to control the photographic lens of the image capture component 23 of the image capture module 20, for example, to control the opening of the shutter of the photographic lens, At the same time, the mechanical control module 220 is also used to control the switch of the light emitting element 30 , and even adjust the brightness of the light emitting element 30 . In addition, the mechanical control module 220 of this embodiment can simultaneously open and close the shutters of all or part of the image capture components 23 , so that all or part of the image capture components 23 can capture the two-dimensional images in the photography space S synchronously. The mechanical control module 220 includes cables connected to the image capture module 20 and the light emitting element 30 , circuits of the computer device, and software installed in the computer device.

The data transmission module 230 is used to transmit the image data sensed by the image sensor of the image capture part 23 to the image synthesis modeling device 300 described later. The data transmission module 230 includes cables connected to the image capture module 20 , circuits of the computer device, and software installed in the computer device. If the control device 200 and the image synthesis modeling device 300 are set in different computer devices, the data transmission module 230 also includes a wireless transmission element or a wired transmission element connecting the control device 200 and the image synthesis modeling device 300, so as to capture the image The image captured by the pickup 23 is transmitted to the image synthesis modeling device 300 .

The three-dimensional model making system 1 of the present invention also includes an image synthesis modeling device 300, the image of the photography space S captured by the image capture part 23 is transmitted to the image synthesis modeling device 300 through the data transmission module 230, and the image synthesis modeling The modeling device 300 identifies the object to be modeled in the images, and then synthesizes the images of the object to construct a three-dimensional model. If the object is too small, for example, the object is a child, a polygon can be drawn on paper and placed on the frame 10 to increase the recognition points of each shooting angle so that the recognition can be successfully completed.

The image synthesis modeling device 300 may be a computer device and software installed in the computer device. The image synthesis modeling device 300 of this embodiment uses a computer, such as a notebook computer equipped with an Intel Core i7-10750H processor and a memory of 8GB, and the software can be RealityCapture produced by CapturingReality.

The 3D model obtained by the image synthesis modeling device 300 is sent to a 3D model database 400 for storage. The 3D models in the 3D model database 400 can be classified according to requirements. Users can connect to the 3D model database 400 via the network and find suitable 3D model objects through classified searches, which is convenient for designers or general 220 consumers. Or, you can use it directly by paying for it, and you don’t need to pay a high fee to build a 3D model.

Please refer to FIG. 10 , which shows an embodiment of the 3D model making method of the present invention. The method for making a three-dimensional model in this embodiment includes the following steps.

In step S1, the aforementioned imaging device 100 for creating a three-dimensional model is provided. A plurality of imaging devices 100 for creating a three-dimensional model are provided. Then go to step S2.

In step S2, a plurality of photography devices 100 for making 3D models are arranged around a photography space S on a placement surface, and the image capture parts 23 of the plurality of image capture modules 20 are directed towards the photography space S. Then go to step S3.

In step S3, the image capture units 23 are made to capture the objects in the photographing space S synchronously to obtain a plurality of images. Then go to step S4.

In step S4, the images are synthesized to form a three-dimensional model. Then go to step S5.

In step S5, the 3D model is stored in a 3D model database.

In addition to the electronic components and optical components of the imaging device 100 for 3D modeling, other structural components, such as the base 21 and the connector 22 of the frame 10 and the image capture module 20, can be produced by additive manufacturing (3D printing) make.

The camera device for making a three-dimensional model of the present invention is equipped with a plurality of image capture modules in a frame structure, and the image capture modules can be arranged on the frame according to requirements, and the frame can be made by a laminated manufacturing method. The three-dimensional model of the present invention The production system forms a photographic space surrounded by a plurality of photographic devices for 3D model production, and constructs a 3D model by controlling the multiple photographic devices for 3D model production to capture images in the photographic space synchronously and synthesizing the images.

The three-dimensional model constructed by the three-dimensional model making system of the present invention is stored in a three-dimensional model database, and the three-dimensional models in the three-dimensional model database are classified, and users (designers or general consumers) can connect to The 3D model database, after payment, enters the database to search for related 3D models and downloads them for use. In this way, users can find suitable 3D model objects in the 3D model database and do not need to construct them one by one.

Since the three-dimensional model making system of the present invention is constructed around a plurality of photographic devices for three-dimensional model making, it often takes a lot of time to create something from scratch compared to the traditional piece model method. The three-dimensional model making system of the present invention has more A photographic device for making a 3D model can be shot simultaneously, and then the image can be modified to complete, which can greatly shorten the time for making a 3D model. In addition, multiple photographic devices for 3D model making can be transported to the shooting site and then assembled, so there is no need to build a huge photographic studio, which provides timeliness and convenience for 3D post-production effects, and the construction of the overall equipment The cost and the production cost of the subsequent 3D model are also greatly reduced.

But what is described above is only a preferred embodiment of the present invention, and should not limit the scope of the present invention with this, that is, all simple equivalent changes and modifications made according to the scope of patent application of the present invention and the contents of the description of the invention , all still belong to the scope covered by the patent of the present invention. In addition, any embodiment or scope of claims of the present invention does not necessarily achieve all the objectives or advantages or features disclosed in the present invention. In addition, the abstract and the title are only used to assist the search of patent documents, and are not used to limit the scope of rights of the present invention. In addition, terms such as "first" and "second" mentioned in this specification or the scope of the patent application are only used to name elements (elements) or to distinguish different embodiments or ranges, and are not used to limit the number of elements. upper or lower limit.

10: frame 11: Base piece 12: Extension 13:Connector 20: Image capture module 21: base 22:Connector 23: Image Capture 30: Luminous parts 40: Sheath 41: Groove 50: Photography device for auxiliary three-dimensional model making 100:Photography device for 3D modeling 111: the first rod body 112: second rod body 121: The third rod body 122: Support body 200: Control device 210: central processing unit 211: spherical bearing part 220: Mechanical control module 221: spherical connection part 230: Data transmission module 300:Image synthesis modeling device L1: the first direction S: photography space

FIG. 1 is a perspective view of the first embodiment of the camera stand of the three-dimensional model making system of the present invention. Fig. 2 is a perspective view of a first embodiment of the imaging device for creating a three-dimensional model according to the present invention. 3 is a perspective view of the second embodiment of the camera stand of the three-dimensional model making system of the present invention. Fig. 4 is a perspective view of a second embodiment of the imaging device for creating a three-dimensional model according to the present invention. Fig. 5 is a perspective view of a modified example of the imaging device for creating a three-dimensional model in Fig. 4 . Fig. 6 is a perspective view of another modification example of the photographing device for creating a three-dimensional model in Fig. 4 . Fig. 7 is a perspective view of a third embodiment of the camera stand of the 3D model making system of the present invention (a partial 3D model making camera device removal sheath). Fig. 8 is a perspective view of a camera stand of a three-dimensional model making system composed of the third embodiment of the photography device for three-dimensional model making of the present invention shown in Fig. 7 (partial removal of the sheath). FIG. 9 is a system block diagram of an embodiment of the 3D model making system of the present invention. Fig. 10 is a flowchart of an embodiment of the method for making a three-dimensional model of the present invention.

10: frame

20: Image capture module

100:Photography device for 3D modeling

L1: the first direction

S: photography space

Claims (10)

A photographic device for making three-dimensional models, which includes: a plurality of frames, which are arranged on a placement surface and arranged successively to form a photographic space around each other, wherein each frame includes a base part and a pair of extension parts, and the pair of extension parts arranged on the base member and extending toward a first direction; a plurality of image capture modules, which are respectively arranged on the extension member of the plurality of frames, wherein each of the image capture modules includes at least one image capture member, The image capture part is set to face the photographing space respectively; and a light emitting part, which is in the shape of a strip, is arranged on the base part and/or the extension part of the plurality of frames; wherein the plurality of The image capture modules are respectively arranged along the first direction to form an image capture surface facing the photographing space. The photographing device for making a three-dimensional model according to claim 1, wherein the light-emitting element is arranged on at least one of the pair of extensions parallel to the first direction. The photographing device for making a three-dimensional model according to claim 1, wherein the pair of extension members are arranged in parallel, the first direction is perpendicular to the base member, and the light emitting member is inclined relative to the first direction is disposed between the pair of extensions. The photographic device for making a three-dimensional model as described in claim 1, further comprising a sheath covering the frame and having a plurality of grooves, the image capture parts of the plurality of image capture modules respectively pass through The groove emerges from the sheath. The photographing device for making a three-dimensional model as described in claim 1, wherein the image capture parts of the plurality of image capture modules are respectively arranged on the same side of the extension part. The photography device for making three-dimensional models as described in Claim 1, wherein each of the image capture modules further includes a base, the base has a spherical bearing part, and the at least one image capture part is rotatably arranged on The spherical bearing part. A three-dimensional model making system, which includes: a plurality of photographing devices for three-dimensional model making as described in any one of Claims 1 to 6, the plurality of photographing devices for three-dimensional model making are arranged on a placement surface and arranged consecutively to each other A photographic space, the image capture parts of the plurality of image capture modules are arranged to form an image capture surface facing the photographic space; a control device, which controls the plurality of photographic devices for making three-dimensional models to be synchronous Capture a two-dimensional image of the photography space; and an image synthesis modeling device, which is electrically connected to the image capture part of the plurality of image capture modules, and the image captured by the image capture part is transmitted to the image A synthetic modeling device, and the plurality of images are synthesized by the image synthetic modeling device to form a three-dimensional model. The three-dimensional model making system as described in Claim 7, which further includes at least one auxiliary photographic device for three-dimensional model making, which includes a plurality of image capture modules arranged in at least one row, and can be arbitrarily arranged between two adjacent between the extensions. A method for making a three-dimensional model, comprising: providing a photography device for making a three-dimensional model as described in any one of claims 1 to 8; setting the plurality of photography devices for making a three-dimensional model on a placement surface and connecting them to each other Arranged to form a photographic space, and the image capture parts of the plurality of image capture modules are arranged to form an image capture surface facing the photographic space; the image capture part captures the photograph synchronously plural images of space; Combining the plurality of images to form a three-dimensional model; and storing the three-dimensional model in a database. The method for making a three-dimensional model as described in claim 9, wherein the plurality of frames of the plurality of photographic devices for making a three-dimensional model are respectively manufactured by an additive manufacturing method.

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