KR102319451B1 - Holographic image acquisition method and holographic image acquisition system - Google Patents

Abstract

The present invention relates to a holographic image acquisition method and a holographic image acquisition system. The present invention relates to a holographic image acquisition method and a holographic image acquisition system, the method includes steps of: in particular, a light source for irradiating light for hologram printing being provided, disposing a plurality of cameras at regular intervals from an upper side to a lower side to face the hologram printing; generating a holographic image by irradiating the light from the light source to the holographic printing; and photographing an image generated by the hologram printing while the plurality of cameras move in an arc around the hologram printing, and thus it is possible to check quality by acquiring a holographic image by the above configuration.

Description

Holographic image acquisition method and holographic image acquisition system

The present invention relates to a method and system for acquiring a holographic image, and more particularly, to a method and system for acquiring a holographic image capable of acquiring a holographic image generated by irradiating light from a light source to holographic printing.

Recently, holography technology has been widely used for the purpose of promoting arbitrary objects such as products, performances, cultural festivals, and the like.

Looking at the principle of holography, first, the light emitted from the laser light source is divided into two beams by a beam splitter. One of the beams is object light, which is light that is diffusely reflected from the surface of the object when it illuminates the object. ) reaches the holographic photosensitive material, and the reference light (reference light), which is another light beam, is diffused through the lens to directly illuminate the entire surface of the holographic photosensitive material. In this way, the object light and the reference light interfere with each other on the holographic photosensitive material to create an interference pattern. A photograph in which interference fringes are recorded in this way is called a hologram. Furthermore, when the same light beam as the reference light is applied to the hologram, the light is diffracted at a position different from the direction in which the reference light is incident. Through this process, the first object light may be reproduced in the hologram.

Based on these characteristics, digital holography has various application fields, such as holographic display and holographic printing devices that reproduce 3D images, hologram storage devices that are mass storage media, and holographic measurement such as holographic microscopes for 3D imaging. As an example of a hologram-related technology, there are Korean Patent Application Laid-Open No. 10-2020-0115734 (Patent Document 1) and Korean Patent Publication No. 10-2077128 (Special Document 2).

In the case of the holographic display or the like, it is necessary to evaluate the quality of the image by acquiring information such as a picture or an image of the holographic image.

Korean Patent Publication No. 10-2020-0115734 (2020.10.08) Korean Patent Publication No. 10-2077128 (2020.02.07)

An object of the present invention is to provide a holographic image acquisition method and a holographic image acquisition system capable of acquiring a holographic image generated by irradiating light from a light source to holographic printing.

Another object of the present invention is to provide a holographic image acquisition method and a holographic image acquisition system in which it is easy to shoot a holographic image.

Another object of the present invention is to provide a system for acquiring a holographic image that is easy to manage.

A method for obtaining a holographic image of the present invention for achieving the above object includes: a light source for irradiating light for holographic printing is provided, and a plurality of cameras are arranged at regular intervals from the upper side to the lower side so as to face the holographic printing; generating a holographic image by irradiating light from the light source to the holographic printing; and capturing the holographic image while the plurality of cameras move in an arc around the hologram printing.

In addition, the method for obtaining a holographic image of the present invention comprises: holographic printing and a light source irradiating light are arranged side by side on a Y-axis, and a camera is arranged to face the holographic printing; generating a holographic image by irradiating light from the light source to the holographic printing; taking, by the camera, a part of the holographic image while moving around the hologram printing on an X-axis orthogonal to the Y-axis; The light source and the hologram printing are rotated to be arranged side by side on the X-axis, and the holographic image is also rotated; and capturing, by the camera, a part of the rotated holographic image while moving about the hologram printing on the X-axis.

Another holographic image acquisition system of the present invention, holographic printing; a light source irradiating light to the holographic printing to generate a holographic image and arranged in parallel with the holographic printing; a camera disposed to face the hologram printing to take the holographic image; a computer connected to the camera to receive a photographing result; a photographing rail connected to the camera and arranged parallel to the X-axis in an arc shape centered on the hologram printing; a photographing driving unit connected to the camera and the photographing rail to move the camera on the photographing rail; and a rotating part connected to the hologram printing and rotating the hologram printing and the light source to be arranged side by side on the X-axis to the Y-axis orthogonal to the X-axis.

In addition, the method for obtaining a holographic image of the present invention includes the steps of: providing a light source for irradiating light to holographic printing, and arranging a camera to face the holographic printing; generating a holographic image by irradiating light from the light source to the holographic printing; The camera moves a predetermined range around the hologram printing a plurality of times to photograph the holographic image, and each time the camera is photographed while adjusting the height and angle of the camera and the distance from the hologram printing.

The holographic image acquisition method and holographic image acquisition system of the present invention have the following effects.

The present invention can evaluate the quality of an image by automatically acquiring a holographic image using a camera.

In addition, since the present invention is photographed with a camera, it is possible to easily and precisely acquire a holographic image.

In addition, since the present invention uses a plurality of cameras, it is possible to acquire a holographic image in a short time.

In addition, according to the present invention, a holographic image can be obtained even with one camera, so that the management of the system is easy.

In addition, the present invention can acquire a holographic image through rotation and distance adjustment even with one camera.

1A is a side view in accordance with an embodiment of the present invention;
1B is a perspective view according to an example shown in FIG. 1A
1C is a flowchart according to an example shown in FIG. 1A
2A is a perspective view according to an example of the present invention;
Figure 2b is a perspective view showing an operating state according to an example shown in Figure 2a
2c is a flowchart according to an embodiment of the present invention;
3A is a perspective view according to an example of the present invention;
3b is a view showing a driving unit for photographing that can be applied to the present invention;
Figure 3c is a flowchart according to an example of the present invention shown in Figure 3a;

Among the components of the present invention to be described below, for the same components as those of the prior art, reference will be made to the above-described prior art, and a separate detailed description thereof will be omitted.

The terminology used herein is for the purpose of referring to specific embodiments only, and is not intended to limit the present invention. As used herein, the singular forms also include the plural forms unless the phrases clearly indicate the opposite. The meaning of "comprising," as used herein, specifies a particular characteristic, region, integer, step, operation, element and/or component, and other specific characteristic, region, integer, step, operation, element, component, and/or group. It does not exclude the existence or addition of

When an element is referred to as being “connected” or “contacted” to another element, it may be directly connected or in contact with the other element, but it is understood that other elements may exist in between. it should be

The holographic image acquisition system of the present invention shown in FIGS. 1A, 1B, 2A, 2B, 3A, and 3B is holographic printing 300, a light source 200 that irradiates light to the holographic printing 300 to generate a holographic image. , a camera 100 that is arranged to face the hologram printing 300 and captures the generated holographic image, a computer connected to the camera 100 to receive the shooting result (not shown), the camera 100 is connected and the photographing rail 400 arranged parallel to the X-axis in an arc shape centered on the hologram printing 300, the camera 100 and the photographing rail 400 are connected to the camera 100. It may include a photographing driving unit moving on the photographing rail 400 , and a bracket 440 connecting the photographing driving unit and the camera 100 .

The present invention can automatically and easily acquire a holographic image using the camera 100, and since the camera 100 moves along the photographing rail 400, a sophisticated holographic image can be acquired and quality can be evaluated. .

Meanwhile, the hologram printing 300 may be supported by the fixing unit 310 and positioned at a predetermined height. Therefore, the hologram printing 300 may be located at a position where the camera 100 is good for photographing.

로 연결된 제2연결부(부호 미도시), 상기 제2연결부에 45

로 연결된 제3연결부(부호 미도시)를 포함할 수 있다. 이로 인해 광원(200)의 빛이 홀로그램 프린팅(300)에 일정하게 조사될 수 있다. 또한 광원(200)은 홀로그램 프린팅(300)과 나란하게 배치될 수 있다. 또한 광원(200)은 홀로그램 프린팅(300)의 중심에 대해 45

각도에서 빛을 조사할 수 있다.On the other hand, the system of the present invention may further include a connection unit 210 for connecting the hologram printing 300 and the light source 200 . Accordingly, the position between the light source 200 and the hologram printing 300 may be constantly maintained. The connection part 210 is a first connection part (not shown) connected to the hologram printing 300, the first connection part and 90

A second connection part (not shown) connected to the 45

It may include a third connection part (not shown) connected to. Due to this, the light of the light source 200 may be constantly irradiated to the hologram printing 300 . In addition, the light source 200 may be arranged in parallel with the hologram printing 300 . In addition, the light source 200 is 45 with respect to the center of the hologram printing 300.

Light can be irradiated from any angle.

의 범위(d)인 원호 형상일 수 있다. 따라서 카메라(100)가 영상을 X축의 160

범위(d)만큼 촬영할 수 있다. 상기 범위의 수치는 변경될 수 있다.On the other hand, as shown in Figures 1b, 2a, 2b, 3a, the photographing rail 400 is 160 left and right centering on the hologram printing 300

It may have an arc shape that is the range (d) of . Therefore, the camera 100 converts the image to 160 of the X-axis.

It can shoot as much as range (d). Numerical values in the above ranges may be changed.

In addition, as shown in Figures 1b, 2a, 2b, 3a, the photographing rail 400 may be formed with a groove 410 in which the photographing driving unit is accommodated.

The photographing driving unit may move the camera 100 by a predetermined angle. The movement angle may be adjusted by a control unit (not shown) connected to a driving unit for photographing. The control unit may be included in the computer.

The driving unit for photographing and the bracket 440 are illustrated in detail in FIG. 3B , and the structure thereof will be described later.

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Hereinafter, an example of the present invention will be described with reference to FIGS. 1A, 1B, and 1C.

An example of a method for acquiring a holographic image and a system for acquiring a holographic image use a plurality of cameras 100a, 100b, 100c, 100d, and 100e, so that a holographic image can be acquired in a short time.

An example of a holographic image acquisition system is a plurality of cameras (100a, 100b, 100c, 100d, 100e) and a plurality of cameras (100a, 100b, 100c, 100d, 100e) are mounted and supported by the bracket (440) It may include a holder (not shown) and a holder 110 fixed to the holder. 1a and 1b, the illustration of the driving unit for photographing and the bracket 440 is omitted.

의 각도를 갖는 원호 형상일 수 있다. 따라서 카메라(100a,100b,100c,100d,100e)로 홀로그램 영상을 Y축에 대해 160

의 범위만큼 촬영할 수 있다.The cradle 110 is 160 vertically centered on the hologram printing 300 .

It may have an arc shape having an angle of . Therefore, the holographic image is captured by the cameras 100a, 100b, 100c, 100d, and 100e on the Y axis.

You can shoot within the range of .

A plurality of cameras 100a, 100b, 100c, 100d, and 100e may be arranged at regular intervals from the upper side to the lower side of the cradle 110 . Although only five cameras 100a, 100b, 100c, 100d, and 100e are illustrated in FIGS. 1A and 1B, they may be modified as necessary.

와 상하로 160

, 즉 X축에 대해 160

의 범위와 Y축에 대해 160

의 범위만큼 촬영할 수 있다.Through the above configuration, with a plurality of cameras 100a, 100b, 100c, 100d, 100e, the angle d between one end and the other end of the shooting rail 400 and the angle between the upper end and the lower end of the cradle 110 as much as a range corresponding to You can shoot holographic images. Therefore, the hologram image with the cameras 100a, 100b, 100c, 100d, 100e is 160 left and right based on the center of the hologram printing 300

and up and down 160

, i.e. 160 about the X axis

160 for the range and Y-axis of

You can shoot within the range of .

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A method of acquiring a holographic image using the above example system will be described.

First, the light source 200 for irradiating light to the hologram printing 300 may be provided. In addition, a plurality of cameras 100a, 100b, 100c, 100d, and 100e may be arranged at regular intervals from the upper side to the lower side of the cradle 110 to face the hologram printing 300 . In this case, the cameras 100a, 100b, 100c, 100d, and 100e positioned above the hologram printing 300 may be inclined downwardly toward the center of the hologram printing 300 . Conversely, the cameras 100a, 100b, 100c, 100d, and 100e positioned below the hologram printing 300 may be disposed to be inclined upward toward the center of the hologram printing 300 . Accordingly, a holographic image may be generated by irradiating light from the light source 200 to the hologram printing 300 .

의 범위만큼 이동되면서 각 위치마다 촬영을 진행할 수 있다. 촬영 완료시 카메라(100a,100b,100c,100d,100e)는 홀로그램 프린팅(300)을 중심으로 160

만큼 회전되어 반대편인 촬영레일(400)의 타측(B)에 위치될 수 있다. Thereafter, the plurality of cameras 100a, 100b, 100c, 100d, and 100e move by a certain angle d while drawing an arc along the photographing rail 400 around the hologram printing 300 and the hologram printing 300 ) can be captured. That is, the plurality of cameras 100a, 100b, 100c, 100d, and 100e may simultaneously take pictures. At this time, the shooting of the cameras 100a, 100b, 100c, 100d, and 100e may be started from one side (A) of the shooting rail 400 . In addition, 1 to the other side (B) of the shooting rail 400 by the driving unit for shooting

While moving as much as the range of , it is possible to proceed with shooting at each location. When shooting is completed, the cameras 100a, 100b, 100c, 100d, and 100e are 160 centered on the hologram printing 300.

It can be rotated as much and located on the other side (B) of the opposite side of the photographing rail 400 .

Thereafter, the photographing result may be transmitted to one computer to which all of the plurality of cameras 100a, 100b, 100c, 100d, and 100e are connected.

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Hereinafter, an example of the present invention will be described based on FIGS. 2A, 2B, and 2C.

An example of a holographic image acquisition system can acquire a holographic image with one camera 100 by rotating the light source 200 and the holographic printing 300 , so that the system is easy to manage.

The holographic image acquisition system of the present example may further include a rotating unit 320 that can be rotated so as to be arranged side by side on the X-axis to the Y-axis orthogonal to the X-axis.

의 범위, 즉 도 2a에 도시된 X축과 Y축 사이를 왕복 회전할 수 있다. 따라서 광원(200) 및 홀로그램 프린팅(300)은 도 2a의 도시처럼 Y축 상에 서로 나란하게 배치될 수 있고, 이 상태에서 시계 내지 반시계 방향으로 90

회전되면 도 2b의 도시처럼 X축 상에 서로 나란하게 배치될 수도 있다.The rotating part 320 may be connected to the hologram printing 300 . Accordingly, the hologram printing 300 and the light source 200 connected to the hologram printing 300 may also be rotated. The light source 200 and the hologram printing 300 are rotated by 90

The range of , that is, it can reciprocate between the X-axis and the Y-axis shown in FIG. 2A . Therefore, the light source 200 and the hologram printing 300 may be arranged side by side on the Y-axis as shown in FIG. 2A , and in this state, clockwise or counterclockwise 90

When rotated, they may be arranged side by side on the X-axis as shown in FIG. 2B .

The rotating unit 320 may have a general configuration for pivotally rotating a computer monitor.

The photographing rail 400 may be supported by the support unit 700 and positioned in the air.

When the light source 200 and the hologram printing 300 are arranged side by side on the Y-axis, the camera 100 moves on the X-axis, so that an image in the X-axis range among the holographic images can be captured.

회전되어 X축 상에 나란하게 배치되면 홀로그램 영상 또한 90

회전된다. 이때 카메라(100)는 이전과 동일하게 X축 상에서 이동하여 홀로그램 영상 중 Y축 범위의 영상을 촬영할 수 있다.In addition, the light source 200 and the hologram printing 300

When rotated and placed side by side on the X axis, the holographic image is also 90

rotated At this time, the camera 100 may move on the X-axis in the same manner as before and capture an image in the Y-axis range among the holographic images.

Through this, both the X-axis and Y-axis images of the holographic image can be captured with one camera 100 .

In this example, it is necessary to take a picture with one camera 100 , so it is preferable that the camera 100 is disposed on the opposite side of the center of the hologram printing 300 .

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Hereinafter, a holographic image acquisition method using an example holographic image acquisition system will be described based on FIGS. 2A, 2B, and 2C.

First, the hologram printing 300 and the light source 200 may be arranged side by side on the Y-axis, and the camera 100 may be arranged to face the hologram printing 300 .

Thereafter, when light is irradiated from the light source 200 to the hologram printing 300 , a holographic image may be generated.

씩 이동되면서 촬영을 진행할 수 있다. 촬영 완료시 카메라(100)는 홀로그램 프린팅(300)을 중심으로 160

의 범위(d)만큼 회전되어 반대편인 촬영레일(400)의 타측(B)에 위치될 수 있다.Thereafter, the camera 100 may photograph a portion of the holographic image while moving around the hologram printing 300 on the X-axis orthogonal to the Y-axis along the photographing rail 400 by the photographing driving unit. When shooting starts, the camera 100 may be located on one side (A) of the shooting rail 400 . In addition, 1 to the other side (B) of the shooting rail 400 by the driving unit for shooting

You can proceed with shooting while moving. When shooting is completed, the camera 100 is 160 centered on the hologram printing 300 .

It can be rotated by a range (d) of and be positioned on the other side (B) of the opposite side of the photographing rail 400 .

Thereafter, the light source 200 and the hologram printing 300 may be rotated clockwise or counterclockwise to be arranged side by side on the X-axis. Accordingly, the holographic image may also be generated in a rotated state. In this case, the camera 100 , the light source 200 , and the hologram printing 300 may all be positioned on the X-axis.

씩 이동되면서 촬영을 진행할 수 있다. 따라서 촬영 완료시 카메라(100)는 홀로그램 프린팅(300)을 중심으로 160

회전되어 시작점의 반대편인 촬영레일(400)의 일측(A)에 위치되어 촬영이 종료될 수 있다. 한편 촬영 중에 카메라(100)가 이동함에 따라 카메라(100) - 광원(200) - 홀로그램 프린팅(300)의 순대로 일렬로 배치되는 지점(C)이 있을 수 있다. 즉 홀로그램 영상이 광원(200)에 가려 카메라(100)에 제대로 촬영되지 않는 지점(C)이 있을 수 있다. 카메라(100)가 이 지점(C)에서 촬영한 결과는 무시할 수 있다.Thereafter, the camera 100 may photograph a part of the holographic image while moving in an arc around the hologram printing 300 on the X-axis along the photographing rail 400 by a photographing driving unit. At this time, the camera 100 starts shooting in a state located on the other side (B) of the shooting rail 400, which is the point at which the shooting is completed. In addition, toward one side (A) of the shooting rail 400 by the driving unit for shooting 1

You can proceed with shooting while moving. Therefore, when shooting is completed, the camera 100 is 160 centered on the hologram printing 300 .

It is rotated and located on one side (A) of the photographing rail 400 opposite to the starting point, so that the photographing can be ended. Meanwhile, as the camera 100 moves during shooting, there may be a point C arranged in a line in the order of the camera 100 - the light source 200 - the hologram printing 300. That is, there may be a point C where the holographic image is not properly captured by the camera 100 because the light source 200 is obscured. The result captured by the camera 100 at this point C can be ignored.

Thereafter, the photographing result may be transmitted to the computer connected to the camera 100 .

및 좌우 160

의 범위를 촬영할 수 있다.Through this method, the top and bottom 160 of the holographic image

and 160 left and right

range can be photographed.

Meanwhile, unlike the above example method, the X-axis image may be first photographed with the camera 100 and then the Y-axis image may be photographed.

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Hereinafter, an exemplary holographic image acquisition system will be described based on FIGS. 3A to 3C .

Since the holographic image acquisition system of this example acquires a holographic image with one camera 100 , it is easy to manage the camera 100 .

As shown in FIG. 3B , the driving unit for photographing may further include a wheel 430 and a motor M accommodated in the groove 410 of the photographing rail 400 .

The motor M may be connected to the shaft and the shaft of the wheel 430 .

The photographing rail 400 may include an upper flange 401 with which the wheel 430 may be in contact. The side of the upper flange 401 is open, and a bracket 440 connected to the motor M may be positioned in the open portion (reference numeral not shown). The open portion may communicate with the groove 410 .

The wheel 430 is brought into contact with the lower side and the upper flange 401 of the photographing rail 400 so that the camera 100 can be moved.

Meanwhile, a shaft 450 may be connected to the side of the bracket 440 .

An angle adjusting unit 460 for rotating the camera 100 may be connected to the shaft 450 .

The angle adjusting unit 460 may be connected to the camera 100 . Accordingly, the camera 100 may be rotated upward or downward as indicated by the arrow shown in FIG. 3B . For the driving method related to the angle adjusting unit 460, reference may be made to 'Angular Adjustment Device of a Surveillance Camera with Increased Rotation Angle' of Korean Utility Model Publication No. 20-0460847 (2012.06.01). In more detail, reference may be made to a configuration related to a camera body provided with a side connector and a vertical rotation shaft.

On the other hand, the holographic image acquisition system of this example further includes a height adjustment unit 600 on which the photographing rail 400 is supported, a distance adjustment rail 500 to which the height adjustment unit 600 is connected, and a driving unit for distance adjustment (not shown). can do.

The height adjustment unit 600 may be configured in the form of a general hydraulic cylinder as shown in FIG. 3A . Accordingly, the height of the camera 100, that is, the position on the Y-axis, may be adjusted by adjusting the vertical length of the height adjusting unit 600, that is, the length in the Y-axis direction.

The distance adjustment rail 500 is configured to adjust the distance between the camera 100 and the hologram printing 300 . Therefore, the distance control rail 500 may be in the form of a straight line extending from the lower side of the photographing rail 400 to the hologram printing 300 side.

As shown in FIG. 3A , a groove (reference numeral not shown) may be formed in the distance control rail 500 like the photographing rail 400 . The height adjustment unit 600 may be accommodated in the groove (not shown).

The driving unit for distance adjustment (not shown) may have the same configuration as that of the driving unit for photographing, and is omitted from the drawings. For example, the height adjustment unit 600 may be connected to the upper side of the driving unit for distance adjustment, and a wheel ((not shown) may be connected to the driving unit for distance adjustment (not shown), and a driving unit for distance adjustment (not shown) and a wheel ( (not shown) may be accommodated in the groove (not shown), and the distance between the camera 100 and the hologram printing 300 may be adjusted by operating a distance adjusting driving unit (not shown).

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Hereinafter, a method for acquiring a holographic image of an exemplary holographic image acquisition system will be described based on the drawings of FIGS. 3A to 3C .

First, a light source 200 for irradiating light to the hologram printing 300 may be provided, and the camera 100 may be disposed to face the hologram printing 300 . At this time, since there is only one camera 100, the hologram printing 300 may be disposed toward the center.

Thereafter, a holographic image may be generated by irradiating light from the light source 200 to the hologram printing 300 . Accordingly, a holographic image may be generated by irradiating light from the light source 200 to the hologram printing 300 .

Thereafter, the camera 100 takes a plurality of shots with one camera, but for each shot, the Y-axis position (height), the shooting angle, and the distance between the holographic printing 300 and the hologram printing 300 are taken a plurality of times while being taken to produce a holographic image. can be obtained A photographing angle of the camera 100 or a distance from the hologram printing 300 may be adjusted so that the camera 100 may maintain the same distance as the hologram printing 300 .

범위(d)만큼 이동하되, 높이나 촬영 각도는 조절되지 않는다. 이후, 카메라(100)가 시작점의 반대편인 촬영레일(400)의 타측(B)에 위치되면 1회차 촬영이 완료될 수 있다. 이후, 2회차 촬영을 진행하기 전에 카메라(100)의 높이가 상방으로 이동되고, 홀로그램 프린팅(300)과의 거리는 멀어지고, 카메라(100) 전측은 이전보다 하방을 향하도록 조절된다. 2회차 촬영이 진행된 후 촬영이 완료되면 카메라(100)는 시작점의 반대편인 촬영레일(400)의 일측(A)에 위치될 수 있다. 이후 상기와 같은 방법으로 복수 회의 촬영을 진행한다. 한편, 카메라(100)가 상기 제2범위인 홀로그램 프린팅(300)의 중심과 마주보는 높이에 위치되면, 카메라(100)는 X축과 나란하게 배치된 상태, 즉 기울어지지 않은 상태로 촬영이 진행될 수 있다. 이후의 촬영은 카메라(100)가 홀로그램 프린팅(300)의 중심보다 상측에 위치되는 상기 제3범위에 속한다. 즉 카메라(100)의 높이가 홀로그램 프린팅(300)의 중심보다 상측에 위치되고, 제2범위일 때보다 카메라(100)와 홀로그램 프린팅(300)과 거리가 가까워지고, 카메라(100)의 전측이 후측보다 하측에 위치되어 촬영 각도가 제2범위일 때보다 하방을 향한 상태로 촬영이 진행될 수 있다. 그 다음 회차는 이전과 동일하게 카메라(100)의 높이가 더 상방으로 올라가고, 이전보다 더 홀로그램 프린팅(300)과의 거리가 가까워지고, 촬영 각도는 더 하방을 향하도록 조절된 후에 촬영이 진행될 수 있다. 이와 같은 방법을 반복하여 카메라(100)가 Y축 최상측의 위치가 되면 촬영이 완료될 수 있다. Specifically, in this example, the shooting may proceed while adjusting the height of the camera 100 from the lowermost side to the uppermost side of the Y-axis a plurality of times. The shooting range may be divided into three ranges according to a change in the height of the camera 100 . The first range is when the height of the camera 100 is located below the center of the hologram printing 300, the second range is when facing the center, and the third range is when the camera 100 is located above the center. For each range, a photographing angle of the camera 100 or a distance from the hologram printing 300 may be adjusted differently. As the shooting progresses, the height of the camera 100 is gradually increased, and the front side of the camera 100 is gradually inclined downward. In addition, the X-axis distance between the camera 100 and the hologram printing 300 is adjusted so that it increases from the start height to the height of the second range, and gets closer from the height of the second range to the end height. More specifically, in the first shooting, the camera 100 is located on the lowermost side of the Y-axis, one side (A) of the shooting rail 400, and the front side of the camera 100 is located above the rear side, so that the shooting angle is upward. Shooting begins with the facing position. During the first shooting, the camera 100 rotates 160 in an arc shape on the X-axis centering on the hologram printing 300 .

It moves as much as the range (d), but the height or shooting angle is not adjusted. Thereafter, when the camera 100 is positioned on the other side (B) of the photographing rail 400 opposite to the starting point, the first photographing may be completed. Thereafter, before proceeding with the second photographing, the height of the camera 100 is moved upward, the distance from the hologram printing 300 is increased, and the front side of the camera 100 is adjusted to face downward than before. When the shooting is completed after the second shooting is performed, the camera 100 may be located on one side (A) of the shooting rail 400 opposite to the starting point. Thereafter, multiple times of photographing are performed in the same manner as above. On the other hand, when the camera 100 is positioned at a height facing the center of the hologram printing 300, which is the second range, the camera 100 is arranged in parallel with the X-axis, that is, in a state that is not tilted. can Subsequent shooting belongs to the third range in which the camera 100 is located above the center of the hologram printing 300 . That is, the height of the camera 100 is located above the center of the hologram printing 300 , the distance between the camera 100 and the hologram printing 300 is closer than when it is in the second range, and the front side of the camera 100 is It is located at the lower side than the rear side, so that the photographing may proceed in a downward-facing state than when the photographing angle is in the second range. The next round, the same as before, the height of the camera 100 rises more upwards, the distance from the hologram printing 300 gets closer than before, and the shooting angle is adjusted to face further downward, and then shooting can proceed. have. By repeating this method, when the camera 100 is at the uppermost position of the Y-axis, photographing may be completed.

Thereafter, the photographed result is transmitted to the computer so that the user can check it.

As described above, according to the present invention, the quality of the holographic image can be checked after the holographic image is captured by the camera 100 and obtained.

As described above, although described with reference to preferred embodiments of the present invention, those of ordinary skill in the art may vary the present invention within the scope without departing from the spirit and scope of the present invention described in the claims below. It can be implemented by changing or modifying it.

** Explanation of key symbols **
100: camera 200: light source
210: connection part 300: hologram printing
320: rotating part 400: shooting rail
500: distance adjustment rail 600: height adjustment unit

Claims (4)

delete a first connection part, the first connection part and 90

A second connector connected to the 45

The position of the hologram printing and the light source is maintained at a certain interval by the connection part including the third connection part connected by becoming a step;
45 to the center of the hologram printing at the light source

generating a holographic image by irradiating light at an angle;
photographing, by the camera, a left and right range of the holographic image by photographing a portion of the holographic image while moving in an arc shape around the hologram printing on an X-axis orthogonal to the Y-axis;
generating the light source and the hologram printing in a rotated state in which the light source and the hologram printing are rotated in a clockwise or counterclockwise direction to be arranged side by side on the X-axis;
The method of obtaining a holographic image, comprising the step of photographing, by the camera, a part of the rotated holographic image while moving around the holographic printing on the X-axis to photograph at least a portion of an upper and lower range of the holographic image; holographic printing;
45 to the center of the holographic printing so that a holographic image is created

a light source irradiating light at an angle and arranged parallel to the hologram printing and the Y-axis;
A first connection part connected to the hologram printing, the first connection part and 90

A second connector connected to the 45

a connection part connected to and including a third connection part connected to the light source so as to maintain a constant position between the hologram printing and the light source;
a camera disposed to face the holographic printing and photographing at least a portion of the left and right ranges and the upper and lower ranges of the holographic image;
a computer connected to the camera to receive a photographing result;
a photographing rail connected to the camera and arranged parallel to the X-axis in an arc shape centered on the hologram printing;
a photographing driving unit connected to the camera and the photographing rail to move the camera on the photographing rail;
A holographic image comprising a; a rotating part connected to the hologram printing and rotating clockwise or counterclockwise so that the hologram printing and the light source are arranged in parallel with each other on the X-axis to the Y-axis orthogonal to the X-axis. acquisition system of delete

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