WO2018016820A1 - Dispositif de capture d'image en trois dimensions - Google Patents

Dispositif de capture d'image en trois dimensions Download PDF

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Publication number
WO2018016820A1
WO2018016820A1 PCT/KR2017/007649 KR2017007649W WO2018016820A1 WO 2018016820 A1 WO2018016820 A1 WO 2018016820A1 KR 2017007649 W KR2017007649 W KR 2017007649W WO 2018016820 A1 WO2018016820 A1 WO 2018016820A1
Authority
WO
WIPO (PCT)
Prior art keywords
camera
camera mounting
mounting members
swivel
mount
Prior art date
Application number
PCT/KR2017/007649
Other languages
English (en)
Korean (ko)
Inventor
서정석
Original Assignee
주식회사 미니마인
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020160090594A external-priority patent/KR101890171B1/ko
Priority claimed from KR1020160105512A external-priority patent/KR101768954B1/ko
Application filed by 주식회사 미니마인 filed Critical 주식회사 미니마인
Publication of WO2018016820A1 publication Critical patent/WO2018016820A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/04—Texture mapping
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/10—Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/55—Depth or shape recovery from multiple images
    • G06T7/593—Depth or shape recovery from multiple images from stereo images

Definitions

  • the present invention relates to an imaging device for producing 3D figures, and more particularly, to a 3D figure imaging device adapted to be able to acquire a video image by rotating and photographing an original figure.
  • a figure is a 3D (3D) model that reproduces objects (buildings, vehicles, food, etc.), plants, animals, people, celebrities, animation or movie characters, and specific scenes of movies in a scaled down form. It has great value in exhibition and value, can be touched and feels three-dimensional, and its realistic portrayal and transfer ability are so excellent that its use is expanding recently.
  • a method of making a figure by photographing an original figure such as a person (family, a friend, a lover), a pet, a favorite object (vehicle, sports equipment, etc.)
  • a camera shooting method a method of making a figure by photographing an original figure (such as a person (family, a friend, a lover), a pet, a favorite object (vehicle, sports equipment, etc.)
  • an original figure such as a person (family, a friend, a lover), a pet, a favorite object (vehicle, sports equipment, etc.)
  • the originals of the figures are photographed by a plurality of cameras installed in a fixed frame in the form of a net in the room.
  • a fixed frame in the form of a mesh is installed to surround the figure around the original figure, and a plurality of cameras (for example, 85 to 95 units) are installed in the fixed frame in the form of a network, The camera photographed the original figure at the same time.
  • the video images photographed by the plurality of cameras (which are two-dimensional video data as video data) are transmitted to a caption computer, and the caption computer stores the received video images.
  • the caption computer transmits the stored image image to the 3D modeling processor computer, and the received 3D modeling processor computer generates 3D modeling data based thereon. Finally, the 3D printer outputs and completes the 3D figures based on the 3D modeling data.
  • the mounting bracket for installing each camera was installed on the mesh fixing frame, and the camera was required to be fixed to the mounting bracket one by one.
  • the present invention was created to solve the above problems of the prior art, and the object of the 3D figure imaging apparatus according to the present invention is
  • the present invention provides a 3D figure capturing apparatus that is suitable to be able to rotate a camera in a convenient automatic manner by a simple structure.
  • the 3D figure imaging device of the present invention for achieving the above object is the object of manufacturing the figure In the figure production system for capturing the original figure as a camera, modeling the captured image image into 3D data, and outputting the figure to a 3D printer based on the 3D modeling data, a camera mounting member spaced apart from the original figure And a plurality of cameras provided along the height direction in the camera mounting member, wherein the camera mounting member is moved to form a closed contour with respect to the figure original, spaced apart from the figure original, While the camera mounting member is moved in a closed path, the camera is characterized in that the image of the figure multiple times.
  • the 3D figure imaging device of the present invention having the above configuration has the following effects.
  • the z-axis origin of the sensor built into the camera can be easily and conveniently calibrated.
  • the simple structure has the effect of rotating the camera in a convenient automatic manner.
  • FIG. 1 is a conceptual diagram for photographing a figure original item (Fi) while the camera Cm of the 3D figure photographing apparatus according to an embodiment of the present invention forms a closed path C1.
  • FIG. 2 is a configuration diagram when the camera mounting members 141 and 142 are installed on the rotating body RT.
  • FIG. 4 is a control block diagram of the 3D figure imaging apparatus according to an embodiment of the present invention.
  • FIG. 5 is a configuration diagram of a 3D figure imaging device according to an embodiment of the present invention.
  • FIG. 6 is an enlarged view of the first rotation connecting member 130 in FIG. 5.
  • FIG. 7 is an enlarged view of the second rotation connecting member 160 in FIG. 5.
  • FIG. 8 is an enlarged view illustrating main parts for showing the state in which the camera mounting members 141 and 142 are fastened to the vertical mount 170 in FIG. 5.
  • FIG. 9 is a side configuration diagram of FIG. 8.
  • FIG. 10 is an operation diagram in which the camera mounting members 141 and 142 perform pendulum movement by releasing the correction screw 187 in FIGS. 8 and 9.
  • FIG. 11 is a conceptual configuration diagram of a 3D figure imaging device according to another embodiment of the present invention.
  • 3D figure imaging device described in the entire specification of the present invention means “image pickup device for the production of 3D figures", and more specifically “image pickup device of the figure (Fi) for the production of 3D figures” Reveal
  • the 3D figure imaging apparatus mainly captures the original figure Fi as a camera Cm, which is a custom-made model (i.e., a production target) of a figure as a custom-made type.
  • the camera mounting members (141, 142) spaced apart from the figure (Fi), and It characterized in that it comprises a plurality of cameras (Cm) provided in the camera mounting members (141, 142) along the height direction.
  • the camera mounting members 141 and 142 are moved away from the figure original Fi to form a closed contour C1 with respect to the figure original Fi, and the camera mounting members 141 and 142 are moved. It is characterized in that the camera Cm photographs the figure original material Pl multiple times while moving in the closed path C1.
  • the camera mounting members 141 and 142 are spaced apart from the figure original Fi to rotate 360 ° with respect to the figure original Fi, and the camera Cm is rotated while the camera mounting members 141 and 142 rotate.
  • the imaging of the raw material Fi is performed multiple times.
  • the closed path C1 is not a physical configuration, but means a movement trajectory of the camera Cm or the camera mounting members 141 and 142.
  • the image image photographed by the camera Cm is transmitted to the image storing and transmitting means 194.
  • the camera mounting members 141 and 142 may be configured in a rod shape and may be provided in pairs so as to face each other at 180 ° intervals.
  • RT rotating body
  • the mounting plate Bx installed on the bottom E is further included.
  • the rotating body RT includes a first bearing br1 installed on the mounting plate Bx, a rotating shaft Ax inserted into the first bearing br1 and rotatably installed on the mounting plate Bx,
  • the stage Tg which comprises the 2nd bearing br2 inserted in the upper end of the said rotating shaft Ax, and the rotating plate RT1 built in the said rotating shaft Ax, and rotates, and where the figure raw material Fi is located.
  • Is installed in the second bearing br2, and the camera mounting members 141 and 142 are mounted on the rotating plate RT1 to rotate.
  • the camera mounting members 141 and 142 are provided in pairs at a mutually spaced distance d1 to form a rectangular frame shape, and the camera Cm is the pair of camera mounting members ( 141 and 142 are provided in pairs corresponding to the same horizontal height.
  • a plurality of cameras installed in the camera mounting members 141 and 142 may include three upper cameras Cm, three central cameras Cm, and three lower cameras Cm.
  • the camera (Cm) is installed in three areas of the vertical direction of the upper and lower), the upper camera (Cm) is installed to be inclined downward to face downwards, the central camera (Cm) is installed to face the front,
  • the lower end camera Cm is preferably installed to be inclined upward and upward.
  • the camera installed on the top is installed at a position higher than the figure original (Fi) is installed to face the face of the figure original, the top
  • the second camera below is installed at a slightly higher position than the original figure, and is installed to face downward from the center of the original figure.
  • the third camera below the top is installed horizontally to face the face of the original figure.
  • the camera below the fourth from the top is inclined downward so as to face the lower side of the original figure rather than the original figure, and the camera in the center is installed so as to be located at the center of the original figure. It is installed at an angle, and the camera located directly below the center camera faces in the horizontal direction.
  • the third camera from below is installed to face down, the second camera from below is installed to face in the horizontal direction, and the bottom camera is installed to face up from the center of the original figure. It features.
  • the image storing and transmitting means 194 may be composed of a computer or a microcomputer.
  • an input means 191 for inputting an imaging operation command of the camera Cm, and a signal splitter for distributing the imaging operation command input from the input means 191 to each camera Cm. 193 is further included and is comprised.
  • a controller 192 connected to the input means 191 and configured to automatically capture an image at a set time period is further included.
  • 5 to 11 show a specific embodiment of the 3D figure imaging device according to an embodiment of the present invention.
  • the fixing base 110 is installed above the figure original material Fi in the shooting space with the figure original material (Fi) and It is characterized in that it is configured to further include a swivel 120 is installed to be rotatable to the fixing (110).
  • the camera mounting members (141, 142) are installed perpendicular to at least one location of the swivel table 120 so as to be spaced apart from the figure (Fi), the plurality of cameras (Cm) to the camera mounting members (141, 142) It is provided along the height direction.
  • a pair of supports (111, 112) which is provided on the bottom (E) of the shooting space of the original figure is further included, the pair of supports (111, 112) Figures are installed to face each other with the raw material (Fi) therebetween, characterized in that the fixing stand 110 is supported by a pair of support (111, 112) is installed.
  • the fixing stand 110 has been described by way of example supported by being supported on the support (111, 112), but is not limited to this, even if the fixing stand 110 is suspended from the ceiling belongs to the technical scope of the present invention.
  • the upper side is fixed and fastened to the fixed base 110
  • the lower side is rotatably connected to the rotary table 120
  • the rotary table 120 is fixed to 110 It characterized in that it is configured to further include a first rotary connecting member 130 to rotate about).
  • the holder 110 is provided in a horizontal direction with respect to the bottom (E) of the shooting space, the swivel 120 is installed so as to be able to rotate in parallel to the holder 110 under the holder 110.
  • the upper side of the first rotary connection member 130 is fixedly connected to the fixture 110 below the intermediate point of the holder 110, the lower side of the first rotary connection member 130 is the middle of the rotary table 120 Rotationally connected to the swivel 120 above the point, the swivel 120 is able to rotate in the horizontal direction with respect to the fixture (110).
  • a fixed flange 131a formed by protrudingly extending and protrudingly extended in a radially outward direction from the outer ring 132 are configured to include a rotating flange 132a.
  • the fixing flange 131a is fastened to the lower side of the fixing stand 110, and the rotating flange 132a is fastened to the upper side of the rotating table 120, so that the rotating table 120 to the fixing table 110 Rotatably connected.
  • the first mounting through-hole (110a) formed through the central portion of the fixed base 110 and the inner space (Sa) opened upwards is formed
  • the second mounting hole 120a penetrated through the swivel plate 120 at a position corresponding to the first mounting hole 110a and the first mounting hole 110a.
  • the inner space (Sb) which is opened downwardly is formed, and further comprises a swivel mount 125 is mounted to the second mounting hole (120a), the fixing flange 131a is the fixing mount (115) It is fastened to the fixed to 110, the rotation flange 132a is fastened to the swivel mount 125 is fixed to the swivel 120.
  • the first rotary connection member 130 using the guide mount 115 and the swivel mount 125, rather than directly mounting the first rotary connecting member 130 to the holder 110 and the rotary table 120. ) Has the advantage of improving the mounting workability and smooth rotation.
  • the holder mount 115 is composed of a bottom portion 115a and a circumference portion 115b vertically extending upward from the outer circumference of the bottom portion 115a, and the circumference portion 115b includes a first mounting hole ( It is mounted by the mounting bolt (P1) to the fixing base 110 of 110a).
  • the swivel mount 125 includes a circumferential portion 125b vertically extending downward from the outer periphery of the roof portion 125a and the roof portion 125a, and a concave space from the center of the roof portion 125a to the upper side.
  • the lower part Sc is formed so as to protrude downward and is formed of a fastening part 125c that is fastened to the rotating flange 132a so as to be mounted to the rotary table 120 of the second mounting hole 120a.
  • the fixing flange 131a As an example in which the fixing flange 131a is fixedly fastened, as shown, a plurality of bolts 131a 'protrude from the fixing flange 131a, and a mounting hole is provided in the bottom portion 115a of the fixing mount 115. 115a 'is formed, and the bolt 131a' is fastened to the mounting hole 115a 'so that the fixing flange 131a is fastened to the fixing mount 115 by the mounting bolt P2.
  • the second fastening hole 125c is formed in 125c, and is fastened by the mounting bolt P3 fastened to the first and second fastening holes 132a 'and 125c".
  • a central through hole 125c ' is formed at the fastening part 125c of the swivel mount 125, and an upper end thereof is fixed to the fixed flange 131a and passes through the center of the inner ring, and the other end thereof has the central hole ( A fixed shaft 137 exposed through 125c '), and a fixed gear 138 formed at a lower end of the fixed shaft 137, and a reducer G1 connected to the fixed gear 138; It is preferable that the rotary motor M1 connected to the speed reducer G1 is further configured.
  • the fixed shaft 137 is fixed to the fixed flange (131a) and consequently fixed to the fixed base 110, when the rotating motor (M1) is driven, the fixed shaft 137 does not rotate because the reaction and The rotating table 120 is rotated by the principle of relative motion.
  • the camera mounting members 141 and 142 can be automatically rotated.
  • the camera mounting members 141 and 142 are provided in a pair so as to face each other, and are connected to the lower ends of the pair of camera mounting members 141 and 142 so that the camera mounting members 141 and 142 are installed to face the swivel table 120.
  • the camera mounting member (141, 142) is preferably configured to further include a lower frame 150 for holding the shake during rotation.
  • the base (B1) is installed to further include a bottom (B) installed in the shooting space, the lower frame 150 is installed so as to be rotatable to the base (B1), where the figure is located (Fi)
  • the stage Tg may be spaced apart from the lower frame 150 and supported by the base B1 above the lower frame 150.
  • the lower side is fixedly connected to the base (B1)
  • the upper side is rotatably connected to the lower frame 150 so that the lower frame 150 to rotate with respect to the base (B1)
  • the rotary connection member 160 is further included.
  • the second rotary connection member 160 includes a rotating outer ring 162, an inner ring (not shown) bearing engagement to the inside of the outer ring 162 and acting as a fixed wheel, and radially outward from the inner ring.
  • a fixed flange 161a formed to protrude and extend, and a protruding extension formed radially outward from the outer ring 162 to include a rotating flange 162a, and the fixed flange 161a is formed of the base B1.
  • the rotating flange 162a is fastened to the lower frame 150
  • the lower frame 150 is connected to the base (B1) rotatably
  • the support flange 167 is fixed to the fixed flange (161a) integrally and the upper end is fastened to the stage (Tg) by passing through the center of the inner ring, the stage (Tg) is the lower frame 150 Spaced upward from the support shaft 167 It is not fixed is preferred.
  • the lower frame mount 155 includes a third mounting through hole 150a formed through the central portion of the lower frame 150 and an inner space Sd mounted in the third mounting through hole 150a and opened upward. It is preferably configured to further include, the rotation flange 162a is fastened to the lower frame mount 155 is preferably fixed to the rotating table 120.
  • the lower frame mount 155 includes a circumferential portion 155b extending vertically upward from an outer circumference of the bottom portion 155a and the bottom portion 155a, and recessed downward from the center of the bottom portion 155a. It is formed of a fastening portion 155c which is formed to protrude upwardly to form the space portion Se and is coupled to the rotation flange 162a, and the circumferential portion 155b is provided on the lower frame 150 of the third mounting hole 150a.
  • the center of the fastening portion 155c is formed with a central through hole (155c '), the support shaft 167 through the central through hole (155c') the lower frame mount 155 It is preferable to support the stage Tg by passing through).
  • a vertical mount 170 for mounting the camera mounting members 141 and 142 by being fastened to at least one of the left and right sides of the swivel table 120 and a horizontal shaft 185 installed in the vertical mount 170 is further included.
  • One side (for example, the outer side in the horizontal direction) of the upper end (141a, 142a) of the camera mounting member (141, 142) is arranged on the horizontal axis 185, the upper end (141a, 142a) of the camera mounting member (141, 142) )
  • the other side (for example, the inner side in the horizontal direction) is screwed so as to be tightened and loosened by the correction screw 187 to the vertical mount 170 so that the camera mounting members 141 and 142 are fastened to the vertical mount 170, and the horizontal shaft
  • One side of the camera mounting members 141 and 142 installed at 185 is a point spaced apart from the horizontal (ie, horizontal) center of the camera mounting members 141 and 142, and the camera mounting members 141 and
  • the camera mounting members 141 and 142 are corrected as shown in FIG. 10.
  • the z-axis (axis in the height direction of the camera mounting member) may pendulum with the axis of the following third bearing 183a, which is the point where the camera mounting members 141 and 142 are laid out on the horizontal axis 185.
  • the camera mounting members (141, 142) z-axis pendulum movement is to correct the origin of the z-axis.
  • the origin correction in the x, y axis direction is the camera (Cm) is rotated by the rotation of the camera mounting members (141, 142), thereby correcting the origin in the x, y axis direction.
  • the direction “inner” means the direction toward the figure skating object, and “outer” is the opposite direction of the inner side.
  • the mount 170 is mounted to the swivel 120, the mount body 171 to which the camera mounting members 141 and 142 are fastened, and the wing portion 172 extending outward from the upper side of the mount body 171.
  • the other side of the upper end (141a, 142a) of the camera mounting member (141,142) on the lower side of the mount body 171 is fastened to the correction screw 187, the wing portion 172 on the horizontal axis (185) ),
  • a pair of left and right first and second bearings 181a and 182a for fastening, and a third bearing 183a are installed on one side of the camera mounting members 141 and 142, and the third bearing
  • the bearing 183a is constructed on the horizontal axis 185 such that the 183a is located between the first and second bearings 181a and 182a so that the camera mounting members 141 and 142 are installed on one side of the mount body 171. desirable.
  • one side (inner side in the illustrated example) of the camera mounting members 141 and 142 is fastened to the vertical mount 170 by the correction screw 187, and the other side (outer side in the illustrated example) of the camera mounting members 141 and 142. Is fastened to the horizontal axis 185 by the third bearing (183a) installed on the camera mounting members (141, 142).
  • first and second bearings 181a and 182a are typically fastened to the wing 172 by bearing fixing members 181b and 182b, and likewise, the third bearing 183a is mounted to the camera mounting members 141 and 142. ) Is usually installed by a bearing fixing member 183b.
  • the camera mounting members 141 and 142 rotate around the figure original Fi, and thus the camera Cm provided in the camera mounting members 141 and 142 is the figure original Fi. While photographing the figure (Fi) while rotating around the image to obtain a plurality of video images.
  • only one camera mounting member (141, 142) is provided, it may be rotated 360 °, as shown in the case of a pair facing each other only need to rotate 180 °, if three are provided to rotate 120 ° will be.
  • the camera installation members 141 and 142 are described as an example, but the present invention is not limited thereto.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Geometry (AREA)
  • Software Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Accessories Of Cameras (AREA)
  • Studio Devices (AREA)

Abstract

La présente invention concerne un dispositif de capture d'image de figure tridimensionnelle comprenant : des éléments d'installation de caméra (141 et 142) situés à distance d'une figure originale (Fi); et une pluralité de caméras (Cm) disposées au niveau des éléments d'installation de caméra (141 et 142) le long de la direction de la hauteur, les éléments d'installation de caméra (141 et 142) étant éloignés de la figure originale (Fi) et tournant par rapport à celles-ci, et, pendant la rotation des éléments d'installation de la caméra (141 et 142), les caméras (Cm) capturant des images de la figure originale (Fi) plusieurs fois. Le dispositif de capture d'image de figure tridimensionnelle selon la présente invention réduit non seulement le nombre de caméras, mais ne nécessite pas de correction d'angle vertical à un angle vertical par la suite et peut mettre en oeuvre une capture d'image sans vibration ni tremblement.
PCT/KR2017/007649 2016-07-18 2017-07-17 Dispositif de capture d'image en trois dimensions WO2018016820A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2016-0090594 2016-07-18
KR1020160090594A KR101890171B1 (ko) 2016-07-18 2016-07-18 3d 피규어 제작용 촬상 장치
KR1020160105512A KR101768954B1 (ko) 2016-08-19 2016-08-19 3d 피규어 제작용 회전형 촬상 장치
KR10-2016-0105512 2016-08-19

Publications (1)

Publication Number Publication Date
WO2018016820A1 true WO2018016820A1 (fr) 2018-01-25

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Application Number Title Priority Date Filing Date
PCT/KR2017/007649 WO2018016820A1 (fr) 2016-07-18 2017-07-17 Dispositif de capture d'image en trois dimensions

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WO (1) WO2018016820A1 (fr)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN110267027A (zh) * 2019-01-11 2019-09-20 红微(北京)文化传播有限公司 一种拍摄设备、拍摄方法及远程面试方法
CN112015041A (zh) * 2020-09-03 2020-12-01 壹贰三维(北京)科技有限公司 一种用于物体表面数据采集的辅助装置及拍摄方法
CN114727086A (zh) * 2022-04-29 2022-07-08 临沂中科英泰智能科技有限责任公司 一种图像数据处理方法及系统

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KR20120115633A (ko) * 2011-04-11 2012-10-19 김용선 3디 카메라시스템
KR101413393B1 (ko) * 2014-02-25 2014-06-27 송승욱 3차원 모델링을 위한 촬상장치 및 그 제어방법
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KR20120114392A (ko) * 2010-02-02 2012-10-16 플란메카 오이 치과용 촬영 장치
KR20120115633A (ko) * 2011-04-11 2012-10-19 김용선 3디 카메라시스템
US20160065798A1 (en) * 2013-04-04 2016-03-03 Zaybu Ltd. Image capture apparatus and method for constructing a three dimensional map of a target object
KR101413393B1 (ko) * 2014-02-25 2014-06-27 송승욱 3차원 모델링을 위한 촬상장치 및 그 제어방법

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110267027A (zh) * 2019-01-11 2019-09-20 红微(北京)文化传播有限公司 一种拍摄设备、拍摄方法及远程面试方法
CN112015041A (zh) * 2020-09-03 2020-12-01 壹贰三维(北京)科技有限公司 一种用于物体表面数据采集的辅助装置及拍摄方法
CN114727086A (zh) * 2022-04-29 2022-07-08 临沂中科英泰智能科技有限责任公司 一种图像数据处理方法及系统

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