CN110778870B - Expandable portable multi-freedom-degree and multi-view camera support - Google Patents
Expandable portable multi-freedom-degree and multi-view camera support Download PDFInfo
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- CN110778870B CN110778870B CN201911120075.2A CN201911120075A CN110778870B CN 110778870 B CN110778870 B CN 110778870B CN 201911120075 A CN201911120075 A CN 201911120075A CN 110778870 B CN110778870 B CN 110778870B
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- camera
- connecting ball
- pipe
- cameras
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention discloses a portable multi-degree-of-freedom and multi-view camera support capable of being expanded. Belongs to the field of computer vision measurement technology and multi-view camera three-dimensional measurement. Comprises more than one base and more than two camera fixing units. The base is a connecting pipe; the camera fixing unit comprises a guide pipe, an annular sliding block, a camera mounting mechanism, a pair of connecting balls and a pair of nut covers; both ends of the camera are respectively connected with a camera fixing unit through threads; the adjacent camera fixing units are connected in sequence through the matched connection of the nut covers and the guide pipes. When the camera installing mechanism is used, more than two cameras are respectively fixedly arranged on more than two camera installing mechanisms, and the number of the cameras can be freely set. The connecting ball mechanism part can realize the adjustment of any angle between adjacent cameras, and the camera platform part can realize the adjustment of the left and right positions, the pitching angle and the rotating angle of the cameras. The invention is simple and practical, can be freely expanded, is provided with different numbers of cameras, and is suitable for a machine vision system.
Description
Technical Field
The invention belongs to the field of computer vision measurement technology and multi-view camera three-dimensional measurement, and particularly relates to an extensible portable multi-degree-of-freedom multi-view camera support.
Background
In three-dimensional reconstruction based on computer vision, in order to solve the problems that the view field of a binocular camera method is limited, homonymy point matching between binocular cameras is difficult, resolution is low and the like, the limitation of the binocular camera measuring method can be solved by increasing the number of the cameras at present, and a multi-camera measuring system is constructed, so that the measuring view field range is expanded, the precision and stability of homonymy point matching between different cameras are improved, and cooperative and efficient vision measurement among the multiple cameras is realized. Currently, multi-view camera vision measurement has become a research hotspot. The multi-view camera system is required to be adjusted in multiple degrees of freedom according to different practical application environments, and along with the increase of the number of the multi-view cameras, the size and the length of the multi-view camera support can be increased, so that the multi-view camera support is enabled to have good portability.
Disclosure of Invention
The invention solves the problems of multi-degree-of-freedom adjustment and expandable installation of a multi-view camera in vision measurement based on a multi-view camera system, and provides an expandable portable multi-degree-of-freedom multi-view camera support.
A portable multi-freedom-degree and multi-view camera support capable of being expanded comprises more than one base 1 and more than two camera fixing units;
the base 1 is a connecting pipe, and external threads are respectively arranged at two ends of the connecting pipe; two ends of the connecting pipe are respectively connected with a camera fixing unit through threads;
the camera fixing unit comprises a guide pipe 9, a sliding block 8, a camera mounting mechanism, a pair of connecting balls and a pair of nut covers; two ends of the guide pipe 9 are respectively provided with an external thread, the slide block 8 is sleeved on the guide pipe 9, and the camera mounting mechanism is movably arranged on the slide block 8; the pair of connecting balls are communicated through threads to form a mute shape; a connecting ball is positioned in a nut cover, and the nut cover is matched and connected with one end of the conduit 9; the other connecting ball is positioned in the other nut cover, and the other nut cover is connected with one end of the connecting pipe of the base 1 or connected with the conduit 9 of the adjacent camera fixing unit;
the adjacent camera fixing units are connected in sequence through the matching connection of the nut covers and the guide pipe 9;
when the device is used, more than two cameras are respectively fixed on more than two camera mounting mechanisms; the camera platform part can realize the adjustment of the left and right positions, the pitching angle and the rotating angle of the cameras.
The technical scheme for further limiting is as follows:
the upper part of the base 1 is a horizontal connecting pipe, and two ends of the connecting pipe are respectively provided with an external thread; the lower part of the base 1 is a base mounting block with a trapezoidal cross section.
The sliding block 8 of the camera fixing unit is annular and is sleeved on the guide pipe 9; a convex block is arranged on the outer circumference of the sliding block 8; the camera mounting mechanism comprises a camera mounting plate 7 and a movable mounting block 6, a fixing block is arranged at the bottom of the camera mounting plate 7, the movable mounting block 6 and the fixing block clamp the lug in an involutory mode, the camera mounting mechanism is fixedly arranged on the sliding block 8 through a threaded connecting piece, and when the lens direction of the camera needs to be adjusted, the clamping direction of the mounting plate 7 and the movable mounting block 6 can be adjusted.
The convex block on the outer circumference of the sliding block 8 is a step-shaped cylinder, and the diameter of the upper cylinder is larger than that of the lower cylinder.
The pair of connecting balls consists of a left connecting ball 2 and a right connecting ball 5, one side of the left connecting ball 2 is provided with a screw rod, one side of the right connecting ball 5 is provided with an internal threaded pipe, or one side of the left connecting ball 2 is provided with an internal threaded pipe, one side of the right connecting ball 5 is provided with a screw rod, and the two are connected together through a threaded connecting piece; the pair of nut covers consists of a left nut cover 3 and a right nut cover 4; the left connecting ball 2 is positioned in the left nut cover 3, and the right connecting ball 5 is positioned in the right nut cover 4.
The pair of nut covers are hexagonal nuts with the same structure, a small hole is formed in one axial end of each nut cover, and the diameter of each small hole is smaller than that of the corresponding internal thread.
The beneficial technical effects of the invention are embodied in the following aspects:
1. the invention has the advantages of free expansion along with the number of cameras, portable and compact support when a small number of cameras are installed and more adjustable freedom degrees, and the number of the cameras can be freely adjusted by increasing or decreasing the number of modules; and simple, practical, reliable and stable hardware support is provided for high-precision three-dimensional reconstruction.
2. The invention has simple and reliable structure, can be arranged on a quick-mounting plate of a general tripod and also can be arranged on a manipulator or a specially designed simple bracket, and has wide application range.
3. The invention can realize the adjustment of the left and right positions, the pitching angle and the rotating angle of a single camera in the multi-view camera, and can adjust the relative poses of the cameras.
4. By replacing different camera mounting plates, the camera mounting plate can be suitable for various types of industrial cameras and has universality.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural diagram of a camera fixing unit.
Fig. 3 is an exploded view of a base and a camera fixing unit.
Fig. 4 is a schematic view of another use state of the present invention.
Sequence numbers in the upper figure: the camera comprises a base 1, a left connecting ball 2, a left nut cover 3, a right nut cover 4, a right connecting ball 5, a movable mounting block 6, a camera mounting plate 7, a sliding block 8 and a guide pipe 9.
Detailed Description
The invention will be further described by way of example with reference to the accompanying drawings.
Example 1
Referring to fig. 1, a portable multi-degree-of-freedom and multi-view camera stand capable of being expanded includes a base 1 and eight camera fixing units.
Referring to fig. 3, the upper part of the base 1 is a horizontal connecting pipe, and both ends of the connecting pipe are respectively provided with external threads; the lower part of the base 1 is a base mounting block with a trapezoidal cross section. Two ends of the connecting pipe are respectively connected with a camera fixing unit through threads.
Referring to fig. 3, the camera fixing unit includes a guide tube 9, a slider 8, a camera mounting mechanism, a pair of connecting balls, and a pair of nut caps. The two ends of the guide pipe 9 are respectively provided with an external thread, and the sliding block 8 is annular and is sleeved on the guide pipe 9. The outer circumference of the sliding block 8 is provided with a convex block which is a step-shaped cylinder, and the diameter of the upper cylinder is larger than that of the lower cylinder. The camera mounting mechanism comprises a camera mounting plate 7 and a movable mounting block 6, the upper part of the camera mounting plate 7 is a horizontal plate, the bottom of the camera mounting plate is connected with a fixed block, the movable mounting block 6 and the fixed block are oppositely arranged to clamp the bump, and the camera mounting mechanism is fixedly mounted on the sliding block 8 through a threaded connecting piece. The pair of connecting balls consists of a left connecting ball 2 and a right connecting ball 5, one side of the left connecting ball 2 is provided with a screw rod, one side of the right connecting ball 5 is provided with an internal threaded pipe, or one side of the left connecting ball 2 is provided with an internal threaded pipe, one side of the right connecting ball 5 is provided with a screw rod, and the two are connected through a threaded connecting piece to form a dumb state; the pair of nut covers consists of a left nut cover 3 and a right nut cover 4; the left nut cover 3 and the right nut cover 4 are hexagonal nuts with the same structure, a small hole is formed in one axial end, and the diameter of the small hole is smaller than that of the internal thread. The left connecting ball 2 is positioned in the left nut cover 3, the left nut cover 3 is connected with one end of a connecting pipe of the base 1, the right connecting ball 5 is positioned in the right nut cover 4, and the right nut cover 4 is matched and connected with one end of a conduit 9, as shown in figure 2.
Referring to fig. 1, adjacent camera fixing units are connected in sequence by the fitting connection of the nut cover and the guide tube 9.
When the device is used, the device is fixedly arranged at a place needing shooting through the base 1, and the eight camera fixing units are respectively fixedly provided with the cameras. When the lens direction of the camera needs to be adjusted, the clamping direction of the mounting plate 7 and the movable mounting block 6 can be adjusted.
Example 2
Referring to fig. 4, a portable multi-degree-of-freedom and multi-view camera stand that can be expanded includes a base 1 and four camera fixing units. The other structures are the same as the embodiment.
The first camera fixing unit and the first camera fixing unit are adjusted to enable the lens of the first camera and the lens of the second camera to face different directions respectively.
Claims (3)
1. The utility model provides a portable multi freedom multi-view camera support that can expand which characterized in that: comprises more than one base (1) and more than two camera fixing units; the base (1) is a connecting pipe, and external threads are respectively arranged at two ends of the connecting pipe; two ends of the connecting pipe are respectively connected with a camera fixing unit through threads;
the camera fixing unit comprises a guide pipe (9), a sliding block (8), a camera mounting mechanism, a pair of connecting balls and a pair of nut covers; the two ends of the guide pipe (9) are respectively provided with an external thread, the guide pipe (9) is sleeved with the sliding block (8), and the camera mounting mechanism is movably arranged on the sliding block (8); the pair of connecting balls are communicated through threads to form a mute shape; a connecting ball is positioned in a nut cover, and the nut cover is matched and connected with one end of the conduit (9); the other connecting ball is positioned in the other nut cover, and the other nut cover is connected with one end of a connecting pipe of the base (1) or a conduit (9) of an adjacent camera fixing unit;
the sliding block (8) of the camera fixing unit is annular and is sleeved on the guide pipe (9); a convex block is arranged on the outer circumference of the sliding block (8); the camera mounting mechanism comprises a camera mounting plate (7) and a movable mounting block (6), a fixed block is arranged at the bottom of the camera mounting plate (7), the movable mounting block (6) and the fixed block are abutted to clamp the bump, and the camera mounting mechanism is fixedly arranged on the sliding block (8) through a threaded connecting piece;
the convex block on the outer circumference of the sliding block (8) is a step-shaped cylinder, and the diameter of the upper cylinder is larger than that of the lower cylinder;
the pair of connecting balls consists of a left connecting ball (2) and a right connecting ball (5), a screw is arranged on one side of the left connecting ball (2), an internal threaded pipe is arranged on one side of the right connecting ball (5), or the internal threaded pipe is arranged on one side of the left connecting ball (2), the screw is arranged on one side of the right connecting ball (5), and the left connecting ball and the right connecting ball are connected together through a threaded connecting piece; the pair of nut covers consists of a left nut cover (3) and a right nut cover (4); the left connecting ball (2) is positioned in the left nut cover (3), and the right connecting ball (5) is positioned in the right nut cover (4);
the adjacent camera fixing units are connected in sequence through the matching connection of the nut covers and the guide pipe (9);
when the device is used, more than two cameras are respectively fixed on more than two camera mounting mechanisms; the camera platform part can realize the adjustment of the left and right positions, the pitching angle and the rotating angle of the cameras.
2. The expandable portable multiple degrees of freedom multiple view camera support of claim 1, wherein: the upper part of the base (1) is a horizontal connecting pipe, and two ends of the connecting pipe are respectively provided with an external thread; the lower part of the base (1) is a base mounting block with a trapezoidal cross section.
3. The expandable portable multiple degrees of freedom multiple view camera support of claim 1, wherein: the pair of nut covers are hexagonal nuts with the same structure, a small hole is formed in one axial end of each nut cover, and the diameter of each small hole is smaller than that of the corresponding internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911120075.2A CN110778870B (en) | 2019-11-15 | 2019-11-15 | Expandable portable multi-freedom-degree and multi-view camera support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911120075.2A CN110778870B (en) | 2019-11-15 | 2019-11-15 | Expandable portable multi-freedom-degree and multi-view camera support |
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| Publication Number | Publication Date |
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| CN110778870A CN110778870A (en) | 2020-02-11 |
| CN110778870B true CN110778870B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911120075.2A Active CN110778870B (en) | 2019-11-15 | 2019-11-15 | Expandable portable multi-freedom-degree and multi-view camera support |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254679B (en) * | 2020-10-15 | 2023-04-28 | 天目爱视（北京）科技有限公司 | Multi-position combined type 3D acquisition system and method |
| KR102483629B1 (en) * | 2022-10-05 | 2023-01-02 | 신정옥 | Branch connecting structure for artwork |
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| KR100635520B1 (en) * | 2004-01-12 | 2006-10-17 | 주식회사 비젼하이텍 | Camera supporting apparatus having a wrapper thereby adjusting the degree of an angle |
| CN101339350A (en) * | 2008-08-14 | 2009-01-07 | 浙江渤影数码影像科技有限公司 | Shooting equipment and its holographic freezing shooting method |
| CN203432534U (en) * | 2013-09-03 | 2014-02-12 | 苏州西博三维科技有限公司 | A camera three-dimensional adjusting apparatus of an industrial optical three-dimensional coordinate measuring device |
| CN204554310U (en) * | 2015-04-14 | 2015-08-12 | 汕头市公益基金会 | Side direction vertical type photographic foot rest |
| CN205657756U (en) * | 2016-05-26 | 2016-10-19 | 师嘉麟 | A many meshes of universal pipe looks machine for human three -dimensional scanning |
| CN206738871U (en) * | 2017-05-17 | 2017-12-12 | 深圳市泰丰顺科技有限公司 | A kind of double bulb supports |
| CN207298280U (en) * | 2017-08-31 | 2018-05-01 | 东莞市泛亚化工产品有限公司 | A kind of telescope support |
| CN209115933U (en) * | 2018-10-11 | 2019-07-16 | 内蒙古艺术学院 | A kind of binocular stereo imaging camera support |
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2019
- 2019-11-15 CN CN201911120075.2A patent/CN110778870B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219375A (en) * | 1995-02-08 | 1996-08-30 | I:Kk | Three-dimensional holding type arm joint for camera stroboscope, and arm system using this arm joint |
| KR100635520B1 (en) * | 2004-01-12 | 2006-10-17 | 주식회사 비젼하이텍 | Camera supporting apparatus having a wrapper thereby adjusting the degree of an angle |
| CN101339350A (en) * | 2008-08-14 | 2009-01-07 | 浙江渤影数码影像科技有限公司 | Shooting equipment and its holographic freezing shooting method |
| CN203432534U (en) * | 2013-09-03 | 2014-02-12 | 苏州西博三维科技有限公司 | A camera three-dimensional adjusting apparatus of an industrial optical three-dimensional coordinate measuring device |
| CN204554310U (en) * | 2015-04-14 | 2015-08-12 | 汕头市公益基金会 | Side direction vertical type photographic foot rest |
| CN205657756U (en) * | 2016-05-26 | 2016-10-19 | 师嘉麟 | A many meshes of universal pipe looks machine for human three -dimensional scanning |
| CN206738871U (en) * | 2017-05-17 | 2017-12-12 | 深圳市泰丰顺科技有限公司 | A kind of double bulb supports |
| CN207298280U (en) * | 2017-08-31 | 2018-05-01 | 东莞市泛亚化工产品有限公司 | A kind of telescope support |
| CN209115933U (en) * | 2018-10-11 | 2019-07-16 | 内蒙古艺术学院 | A kind of binocular stereo imaging camera support |
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| CN110778870A (en) | 2020-02-11 |
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