KR101792343B1 - Infrared ray projector module with micro lens array for output patten of matrix and 3 dimensional scanner using the same - Google Patents
Infrared ray projector module with micro lens array for output patten of matrix and 3 dimensional scanner using the same Download PDFInfo
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- KR101792343B1 KR101792343B1 KR1020150143887A KR20150143887A KR101792343B1 KR 101792343 B1 KR101792343 B1 KR 101792343B1 KR 1020150143887 A KR1020150143887 A KR 1020150143887A KR 20150143887 A KR20150143887 A KR 20150143887A KR 101792343 B1 KR101792343 B1 KR 101792343B1
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
- A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
- A61F2/1637—Correcting aberrations caused by inhomogeneities; correcting intrinsic aberrations, e.g. of the cornea, of the surface of the natural lens, aspheric, cylindrical, toric lenses
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
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- H04N13/0018—
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- H04N13/0022—
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Abstract
The present invention provides a matrix light source pattern irradiating infrared projector module using a microlens array which improves the processing speed of reconstruction processing of three-dimensional data by increasing the resolution of acquired data and outputting a regularly shaped cloud pattern, and a three-dimensional scanner using the same . To this end, the present invention provides a light source comprising: a light source for outputting light having an arbitrary wavelength range; A lens unit for converting the light output from the light source unit to diverge; And a microlens array unit for converting the light emitted from the lens unit into a micro beam having a regular pattern and outputting a plurality of microlenses arranged at regular intervals. Therefore, the present invention can increase the output of the regularly shaped matrix pattern and the resolution of the acquired data to improve the processing speed of the reconstruction processing of the three-dimensional data, and prevent loss of the light source and deterioration of resolution by excluding the configuration of the diffuser There is an advantage that a clear pattern recognition is possible.
Description
The present invention relates to a matrix light source pattern irradiating infrared projector module using a microlens array and a three-dimensional scanner using the same. More particularly, the present invention relates to a method and apparatus for increasing the resolution of acquired data by outputting regularly shaped cloud patterns, The present invention relates to an infrared projector module for irradiating a matrix light source pattern using a microlens array having improved reconstruction processing speed, and a 3D scanner using the same.
In general, various camera systems are used to obtain image information about an object.
For example, Microsoft developed and released a Kinect sensor as a new object input device. Kinetic is a compound of Kinetic and Connector. Means a device to be connected.
Using this, it is possible to connect to XBOX-360 game device and to detect human movement in real time by leaving input device such as keyboard, mouse, joystick, etc., thus providing a groundbreaking environment that has never been experienced before. .
In addition, in an attempt to apply Kinect sensors to a variety of applications, Microsoft launched Kinect For Windows, a commercial version that can be used in embedded devices, Kinect For Windows SDK (Software Development Kit) "for easy use of Kinect sensor devices on the base-based embedded device.
As a result, Kinect For Windows is attracting attention as the next generation interface for cutting edge IT equipment such as digital signage, kiosks, smart TVs and medical devices.
Such a Kinect sensor is composed of an infrared projector module capable of tracking the external shape and movement of an object, an RGB color camera, a 3D Depth sensor, and the like, and is disclosed in Korean Patent Publication No. 10-2009-0079658 : Composite image generation apparatus and method thereof) discloses a three-dimensional scanning apparatus that extracts an object using infrared rays.
However, the infrared projector module included in the conventional three-dimensional scanning device is constructed such that the cloud pattern is irradiated using the diffraction optical system and the diffuser.
FIG. 1 is an exploded perspective view showing a configuration of an infrared projector module according to the related art. FIG. 1 is an exploded perspective view showing a configuration of a conventional infrared projector module. A
Although the conventional three-dimensional scanning device equipped with the infrared projector module is configured to acquire three-dimensional data using the
Further, there is a problem that a high optical output (power) is required to compensate for a lost light source.
In addition, the cloud pattern according to the prior art has a problem that the initial calibration process for 3D scanning takes a long time due to an irregular pattern, and the speed of reconstruction processing of 3D scanning and 3D data is delayed in real time through image processing.
In addition, the conventional infrared projector module has a structure in which necessary components are individually arranged, complicating the process of assembling many components and components.
In order to solve this problem, the present invention provides a matrix light source pattern irradiating infrared projector module using a microlens array which improves the processing speed of reconstruction processing of three-dimensional data by increasing the output of regularly shaped cloud patterns and resolution of acquired data, And to provide a three-dimensional scanner using the same.
According to an aspect of the present invention, there is provided a light source comprising: a light source for outputting light having an arbitrary wavelength range; A lens unit which has a plane of incidence or a plane close to a plane and has an aspheric surface with an arbitrary curvature so as to convert the light output from the light source unit into a linear light; And a plurality of microlenses arranged at predetermined intervals forming an arbitrary pattern are divided into a microlens having an arbitrary regular pattern by dividing the linear light emitted from the lens unit through a pattern in which the microlenses are arranged, And outputs it to the micro lens array unit.
Further, the lens unit according to the present invention is characterized in that it is an aspherical toric lens in which the curvature Rx in the x-axis direction and the curvature Ry in the y-axis direction are different from each other.
In addition, the lens unit according to the present invention is formed by at least one of Fly-Cutting and Dry-Cutting using NCD (Natural Crystal Diamond) Bite.
The microlens array part according to the present invention is characterized in that hemispherical microlenses are arranged in a matrix pattern.
In addition, the microlens according to the present invention is characterized in that the diameter is 20 占 퐉 to 50 占 퐉.
According to another aspect of the present invention, there is provided a light source device comprising: a light source unit for outputting light having an arbitrary wavelength range; A lens unit which has a plane of incidence or a plane close to a plane and has an aspheric surface with an arbitrary curvature so as to convert the light output from the light source unit into a linear light; And a plurality of microlenses arranged at predetermined intervals forming an arbitrary pattern are divided into a microlens having an arbitrary regular pattern by dividing the linear light emitted from the lens unit through a pattern in which the microlenses are arranged, And a micro-lens array unit for outputting the micro-beam array output from the micro-lens array unit, and an infrared ray detection unit for extracting image data of the object to be measured by photographing a pattern of the micro- A detection unit; The depth detecting unit and the color detecting unit, and calculates outline data and depth data of the object to be measured through the image data extracted by the depth detecting unit. The color image data of the object to be measured acquired by the color detecting unit, A control unit for generating a composite image using the data and the depth data; And a color detection unit for extracting color image data of the object to be measured including red, green and blue colors. Preferably, the auxiliary light source unit includes a light source for irradiating the light source with the object to be measured, And further comprising:
delete
Further, the infrared ray detector according to the present invention is one of an infrared ray sensor and an infrared ray camera.
Also, the control unit may calculate at least one of depth data (point data) and depth data (depth data) by using at least one of a projector, an infrared ray detection unit, a triangle measurement using a position of a light reflected on a measured object, Is calculated.
The present invention has the advantage of increasing the output of the regularly shaped matrix pattern and the resolution of the acquired data, thereby improving the reconstruction processing speed of the three-dimensional data.
In addition, the present invention can prevent the loss of the light source and the degradation of the resolution by excluding the configuration of the diffuser, and thus it is possible to recognize a clear pattern.
Further, the present invention is advantageous in that the structure is simple and the manufacturing process can be improved.
1 is an exploded perspective view showing a configuration of an infrared projector module according to a related art.
2 is an exploded perspective view illustrating a matrix light source pattern irradiating infrared projector module using a microlens array according to the present invention.
3 is a plan view of a lens unit of a matrix light source pattern irradiating infrared projector module using a microlens array according to the present invention.
4 is a plan view showing a microlens array of an infrared projector module irradiating a matrix light source pattern using a microlens array according to the present invention.
5 is a perspective view illustrating a three-dimensional scanner using an infrared projector module irradiating a matrix light source pattern using a microlens array according to the present invention.
FIG. 6 is a block diagram illustrating a configuration of a three-dimensional scanner using an infrared projector module irradiating a matrix light source pattern using the microlens array according to FIG. 5;
FIG. 7 is a block diagram showing a depth detector of a 3D scanner using an infrared projector module irradiating a matrix light source pattern using the microlens array according to FIG. 5;
8 is a view for explaining a distance measuring process of a 3D scanner using an infrared projector module irradiating a matrix light source pattern using a microlens array according to FIG.
FIG. 9 is a view for explaining a distance measuring process of a 3D scanner using an infrared projector module irradiating a matrix light source pattern using a microlens array according to FIG. 5; FIG.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a matrix light source pattern irradiating infrared projector module using a microlens array according to the present invention and a three-dimensional scanner using the same will be described in detail with reference to the accompanying drawings.
(Projector)
FIG. 2 is an exploded perspective view showing a matrix light source pattern irradiating infrared projector module using a microlens array according to the present invention, and FIG. 3 is a plan view showing a lens unit of a matrix light source pattern irradiating infrared projector module using a microlens array according to the present invention And FIG. 4 is a plan view showing a microlens array of a matrix light source pattern irradiating infrared projector module using a microlens array according to the present invention.
2 to 4, a matrix light source pattern irradiating
The
In the present embodiment, the infrared light is amplified and outputted. However, the present invention is not limited to this, and the laser light may be changed to a laser that amplifies and outputs visible light, green light, and blue light.
The
The exit surface of the
The
The
The
The
Next, the operation of the matrix light source pattern irradiating infrared projector module using the microlens array according to the present invention will be described.
When light of a point shape is generated and output from the
The light emitted from the
(scanner)
FIG. 5 is a perspective view of a three-dimensional scanner using a matrix-type light source pattern irradiating infrared-ray projector module using the microlens array according to the present invention, FIG. 6 is a perspective view showing a matrix- FIG. 7 is a block diagram showing a depth detector of a scanner using a matrix light source pattern irradiating infrared projector module using a microlens array according to FIG. 5; FIG.
First, repetitive descriptions of the same components as those of the projector module are omitted, and the same reference numerals are used for the same components.
5 to 7, a
The
The
The
The
The
In addition, the depth data may be obtained by reflecting the infrared ray output from the
When the microbeam is projected on the object to be measured, the depth data calculation by the triangulation method causes a change of the pattern on the object plane, which is an interval where the depth information changes, 1 and 2, the depth information can be calculated.
Here, D is the moved disparity of the pointer in the object area, B is the distance between the projector and the infrared detector, Zo is the distance from the infrared detector to the reference surface, and Zk is the distance from the infrared detector to the object to be measured.
Here, d is the parallax recorded on the sensor of the infrared detection part, and f is the distance from the pointer to the sensor of the infrared detection part.
8, the distance L between the light source L and the infrared CMOS (C) is spaced a certain distance (B), the distance Zo from the infrared CMOS (C) to the reference plane, Zk) can be expressed as Equation (3) by calculating the value of D in Equation (2), and depth information can be calculated. Therefore, it is possible to quickly calculate depth data through a regularly shaped matrix pattern.
The calculation of the depth data by comparing the spot size of the microbeam reflected from the reference surface and the object to be measured can be performed by using the microbeam as shown in Fig. The depth data can be calculated by comparing the spot sizes (S1, S2, S3) in the spot size (P).
That is, when the micro-beam having a predetermined spot size is output as a matrix pattern in the
The
Accordingly, the
The
The auxiliary
Therefore, it is possible to improve the processing speed of the reconstruction processing of the 3D data by increasing the output of the regularly shaped matrix pattern and the resolution of the acquired data, and it is possible to prevent loss of the light source and deterioration of resolution by excluding the configuration of the diffuser, Pattern recognition becomes possible.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. It can be understood that
In the course of the description of the embodiments of the present invention, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, , Which may vary depending on the intentions or customs of the user, the operator, and the interpretation of such terms should be based on the contents throughout this specification.
100: Projector
110: light source
120:
130: Micro lens array part
131: micro lens
200: Scanner
201: housing
202: Handle
210: depth detector
211: infrared ray detector
220:
230: Color detection unit
240: auxiliary light source part
Claims (10)
Controls the operations of the depth detector 210 and the color detector 230 and calculates the contour data and the depth data of the object to be measured through the image data extracted by the depth detector 210. In the color detector 230, A control unit (220) for generating a composite image using color image data of the acquired measured object, the outline data and depth data;
A color detecting unit (230) for extracting color image data of the object to be measured including red, green and blue; And
An auxiliary light unit 240 for increasing the color image data extraction resolution of the color detector 230 by irradiating the measured object and a light source to the periphery of the measured object so that color data can be easily captured at a low illuminance, A three - dimensional scanner using an infrared projector module for illuminating a matrix light source pattern using a microlens array.
The control unit 220 may use at least one of a projector 100 and an infrared ray detector 211 and a spot size comparison of the microbeam reflected on the object to be measured and a triangle measurement using the position of the light reflected on the object to be measured And the depth data is calculated based on the depth data. The three-dimensional scanner using the infrared projector module irradiates the matrix light source pattern using the microlens array.
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KR102630707B1 (en) | 2022-08-01 | 2024-01-30 | 비젼온칩 주식회사 | Method and device for moving picture device using projector and 3D recognition device |
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KR102363318B1 (en) * | 2020-02-07 | 2022-02-15 | 주식회사세오 | Miniaturized Lidar Optical System |
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JP2008152286A (en) * | 2008-02-18 | 2008-07-03 | Canon Inc | Illumination optical system |
KR100933926B1 (en) * | 2008-12-05 | 2009-12-28 | (주)드림메딕스 | Projector lens apparatus and image capturing lens apparatus for generating 3-dimensional data, and 3-dimensional scanning system having the projector lens apparatus and the image capturing lens apparatus |
WO2014106843A2 (en) * | 2013-01-01 | 2014-07-10 | Inuitive Ltd. | Method and system for light patterning and imaging |
JP2015055561A (en) * | 2013-09-12 | 2015-03-23 | 株式会社クラレ | Defect inspection method and defect inspection device of microlens array |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2008152286A (en) * | 2008-02-18 | 2008-07-03 | Canon Inc | Illumination optical system |
KR100933926B1 (en) * | 2008-12-05 | 2009-12-28 | (주)드림메딕스 | Projector lens apparatus and image capturing lens apparatus for generating 3-dimensional data, and 3-dimensional scanning system having the projector lens apparatus and the image capturing lens apparatus |
WO2014106843A2 (en) * | 2013-01-01 | 2014-07-10 | Inuitive Ltd. | Method and system for light patterning and imaging |
JP2015055561A (en) * | 2013-09-12 | 2015-03-23 | 株式会社クラレ | Defect inspection method and defect inspection device of microlens array |
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KR102630707B1 (en) | 2022-08-01 | 2024-01-30 | 비젼온칩 주식회사 | Method and device for moving picture device using projector and 3D recognition device |
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