CN113141500A - Three-dimensional image acquisition system - Google Patents
Three-dimensional image acquisition system Download PDFInfo
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- CN113141500A CN113141500A CN202110336356.2A CN202110336356A CN113141500A CN 113141500 A CN113141500 A CN 113141500A CN 202110336356 A CN202110336356 A CN 202110336356A CN 113141500 A CN113141500 A CN 113141500A
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- 238000005096 rolling process Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/243—Image signal generators using stereoscopic image cameras using three or more 2D image sensors
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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
- F16M11/046—Allowing translations adapted to upward-downward 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/254—Image signal generators using stereoscopic image cameras in combination with electromagnetic radiation sources for illuminating objects
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- General Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Studio Devices (AREA)
- Image Input (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a three-dimensional image acquisition system, which comprises acquisition equipment and processing equipment, wherein the acquisition equipment comprises a camera and a camera; the collecting device comprises a bottom plate, the upside fixedly connected with singlechip main control module and the sending module of bottom plate, the bottom plate is connected with the carousel through rotary device, the upside fixedly connected with fixed axle of bottom plate, the fixed axle run through the lateral wall of carousel, the upper end fixedly connected with backup pad of fixed axle, a plurality of dead levers of upside fixedly connected with of carousel, every be connected with industry camera, every through adjusting device on the dead lever fixedly connected with projecting apparatus on the end lateral wall of industry camera, it is a plurality of equal signal connection between industry camera and the singlechip main control module. The invention has reasonable design and ingenious conception, not only has low cost, small volume and high image acquisition speed, but also can eliminate the highlight part in the image imaging and improve the imaging effect of the three-dimensional image.
Description
Technical Field
The invention relates to the technical field of image acquisition, in particular to a three-dimensional image acquisition system.
Background
Generally, pictures shot by a single camera are two-dimensional images, the three-dimensional structure and the related size of an object cannot be obtained, and two-dimensional information of the object can be obtained only through calculation, so that the assumption that the camera replaces two eyes of a human is limited, and the two eyes of the human cannot be really liberated in various industries.
In the prior art, image acquisition of three-dimensional modeling is mainly realized through a laser sensor, and a mechanical arm is used for clamping the laser sensor to scan an object, so that an image is obtained to be subjected to three-dimensional reconstruction.
Disclosure of Invention
The present invention is directed to a three-dimensional image capturing system to solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a three-dimensional image acquisition system comprises acquisition equipment and processing equipment;
the acquisition equipment comprises a bottom plate, wherein a single-chip microcomputer main control module and a sending module are fixedly connected to the upper side of the bottom plate, the bottom plate is connected with a rotary table through a rotating device, a fixed shaft is fixedly connected to the upper side of the bottom plate, the side wall of the fixed shaft penetrates through the rotary table, a supporting plate is fixedly connected to the upper end of the fixed shaft, a plurality of fixed rods are fixedly connected to the upper side of the rotary table, each fixed rod is connected with an industrial camera through an adjusting device, a projector is fixedly connected to the bottom side wall of each industrial camera, the industrial cameras and the single-chip microcomputer main control module are in electric signal connection, and the single-chip microcomputer main control module is in electric signal connection with the sending module;
the processing device comprises a receiving module, a central processing unit and a storage, wherein the transmitting module is in radio signal connection with the receiving module, the receiving module is in electrical signal connection with the central processing unit, and the central processing unit is in electrical signal bidirectional connection with the storage.
As a further improvement scheme of the technical scheme: the rotating device comprises two rolling grooves which are respectively arranged at the bottom side of the turntable and the upper side of the bottom plate in a circular ring shape, and a plurality of balls are arranged between the two rolling grooves.
As a further improvement scheme of the technical scheme: adjusting device includes the sliding sleeve, every the sliding sleeve overlaps respectively to be established on every dead lever, every threaded connection has the bolt on the lateral wall of dead lever, every the sliding sleeve deviates from two curb plates of one side fixedly connected with of bolt, two fixedly connected with fixed axle between the curb plate, rotate on the fixed axle and be connected with the turning block, every the equal fixed connection of industry camera is on the lateral wall of every turning block.
As a further improvement scheme of the technical scheme: the industrial camera employs a CCD camera.
As a further improvement scheme of the technical scheme: the single chip microcomputer main control module adopts a single chip microcomputer with the model number of STM32F103ZET 6.
As a further improvement scheme of the technical scheme: the central processing unit is an MSP singlechip or a PLC controller with the model number of OMRON CP1E-N20 DR-D.
As a further improvement scheme of the technical scheme: the sending module is 800/900MHz frequency band Radio Frequency Identification (RFID) transmitting equipment.
As a further improvement scheme of the technical scheme: the receiving module is 800/900MHz frequency band Radio Frequency Identification (RFID) receiving equipment.
Compared with the prior art, the invention has the beneficial effects that:
firstly, an object needing three-dimensional image acquisition is placed on the upper side of a supporting plate, then a bolt is unscrewed, one end of the bolt is separated from the side wall of a fixed rod, then an industrial camera can be driven to move up and down by moving a sliding sleeve up and down, the bolt is screwed after the industrial camera is moved to be close to a shot object, one end of the bolt is abutted against the side wall of the fixed rod, further the sliding sleeve and the industrial camera are fixed on the fixed rod, then a rotating block is rotated by taking the fixed shaft as an axis, the industrial camera can tilt up and down, the industrial camera can be aligned to the object to be shot, then a projector on the bottom side wall of each industrial camera is opened, structured light is projected on the surface of the shot object through the projector, meanwhile, the shot structured light image of the industrial camera is opened and transmitted to a singlechip main control module, and the main control module carries out error optimization processing on a three-dimensional reconstruction accurate data source shot by the industrial camera and forms a three-dimensional image, then the optimized three-dimensional image is transmitted to a receiving module through a transmitting module in a wireless mode, the receiving module transmits data to a central processing unit, the central processing unit divides the received image into a plurality of 16 x 16 small blocks, then one pixel of the corresponding position is extracted for each 16 x 16 small block, the total number of the 256 pixels is calculated, the average value of the 256 pixels is calculated, then the Gamma value is calculated according to the average value, 16 Gamma values can be calculated, the Gamma values are certainly not completely the same, finally the average value of the 256 Gamma values is used as the average value of the final image, the average value of the pixel adjustment of the three-dimensional image is used for removing the highlight part in the three-dimensional image, and then the obtained clear three-dimensional image is stored in a storage device, the device is reasonable in design and ingenious in concept, not only is low in cost, small in volume and high in image acquisition speed, and the highlight part in the image formation can be eliminated, and the imaging effect of the three-dimensional image is improved.
Drawings
Fig. 1 is a schematic front structural diagram of an acquisition device in a three-dimensional image acquisition system according to the present invention;
fig. 2 is a schematic top view of an acquisition device in a three-dimensional image acquisition system according to the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure of A in FIG. 1;
FIG. 4 is a schematic view of a portion B of FIG. 2;
fig. 5 is a schematic system structure diagram of a three-dimensional image acquisition system according to the present invention.
In the figure: the device comprises a sliding sleeve 1, a bolt 2, a fixing rod 3, a supporting plate 4, a fixing shaft 5, a bottom plate 6, a rotary table 7, a ball 8, a singlechip main control module 9, a sending module 10, a projector 11, an industrial camera 12, a side plate 13, a rolling groove 14, a rotating block 15 and a fixing shaft 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, a three-dimensional image acquisition system includes an acquisition device and a processing device;
the collecting equipment comprises a bottom plate 6, a single-chip microcomputer main control module 9 and a sending module 10 are fixedly connected to the upper side of the bottom plate 6, the bottom plate 6 is connected with a rotary table 7 through a rotating device, a fixed shaft 5 is fixedly connected to the upper side of the bottom plate 6, the side wall of the fixed shaft 5, penetrating through the rotary table 7, is fixedly connected with a supporting plate 4 at the upper end of the fixed shaft 5, a plurality of fixed rods 3 are fixedly connected to the upper side of the rotary table 7, each fixed rod 3 is connected with an industrial camera 12 through an adjusting device, a projector 11 is fixedly connected to the bottom side wall of each industrial camera 12, a plurality of industrial cameras 12 are in electric signal connection with the single-chip microcomputer;
the processing device comprises a receiving module, a central processing unit and a storage, wherein the sending module 10 is in radio signal connection with the receiving module, the receiving module is in electric signal connection with the central processing unit, and the central processing unit is in electric signal bidirectional connection with the storage.
Referring to fig. 1 and 3, the rotating device includes two rolling grooves 14, the two rolling grooves 14 are respectively annularly formed at the bottom side of the turntable 7 and the upper side of the bottom plate 6, a plurality of balls 8 are arranged between the two rolling grooves 14, the cross section of each rolling groove 14 is semicircular, the plurality of balls 8 reduce the friction force between the turntable 7 and the bottom plate 6, so that the turntable 7 can rotate rapidly and smoothly, then an object to be subjected to three-dimensional image acquisition is placed at the upper side of the supporting plate 4, the turntable 7 is rotated, and the turntable 7 drives the industrial cameras 12 on the plurality of fixing rods 3 to shoot the object at various angles through rotation.
Referring to fig. 1, 2 and 4, the adjusting device includes sliding sleeves 1, each sliding sleeve 1 is respectively sleeved on each fixing rod 3, a bolt 2 is connected to a side wall of each fixing rod 3 through a thread, two side plates 13 are fixedly connected to a side of each sliding sleeve 1 opposite to the bolt 2, a fixing shaft 16 is fixedly connected between the two side plates 13, a rotating block 15 is rotatably connected to the fixing shaft 16, each industrial camera 12 is fixedly connected to a side wall of each rotating block 15, the friction force between the rotating block 15 and the fixing shaft 16 is greater than the gravity of the industrial camera 12 on the rotating block 15, that is, after the industrial camera 12 tilts by rotating the rotating block 15, the industrial camera 12 keeps the tilting angle unchanged without the action of external force, the bolt 2 is firstly unscrewed, so that one end of the bolt 2 leaves the side wall of the fixing rod 3, and then the sliding sleeve 1 can be moved up and down to drive the industrial camera 12 to move up and down, after moving to make industrial camera 12 be close to and shoot the object, screw up bolt 2 again, support the one end of bolt 2 on the lateral wall of dead lever 3, and then fix slip cap 1 and industrial camera 12 on dead lever 3, later use fixed axle 16 as the axle center and rotate turning block 15 for industrial camera 12 carries out angle slope from top to bottom, can aim at industrial camera 12 and need shoot at the object.
Referring to fig. 5, the industrial camera 12 is a CCD camera.
Referring to fig. 5, the main control module 9 of the single chip microcomputer is a single chip microcomputer of the model STM32F103ZET 6.
Referring to fig. 5, the central processor is an MSP430 single chip microcomputer or a PLC controller with model number OMRON CP1E-N20 DR-D.
Referring to fig. 5, the transmitting module 10 is an 800/900MHz frequency band Radio Frequency Identification (RFID) transmitting device.
Referring to fig. 5, the receiving module is an 800/900MHz frequency band Radio Frequency Identification (RFID) receiving device.
The working principle of the invention is as follows:
firstly, an object needing three-dimensional image acquisition is placed on the upper side of a supporting plate 4, then a bolt 2 is unscrewed, one end of the bolt 2 is separated from the side wall of a fixed rod 3, then a sliding sleeve 1 can be moved up and down to drive an industrial camera 12 to move up and down, the bolt 2 is screwed down after the industrial camera 12 is moved to be close to a shot object, one end of the bolt 2 is abutted against the side wall of the fixed rod 3, the sliding sleeve 1 and the industrial camera 12 are further fixed on the fixed rod 3, then a rotating block 15 is rotated by taking a fixed shaft 16 as an axis, so that the industrial camera 12 is inclined at an upper angle and a lower angle, the industrial camera 12 can be aligned to the object needing to be shot, then a projector 11 on the bottom side wall of each industrial camera 12 is opened, structural light is projected on the surface of the shot object through the projector 11, and a structural light image shot by the industrial camera 12 is opened and transmitted to a single chip microcomputer main control module 9, the single chip microcomputer main control module 9 carries out error optimization processing on a three-dimensional reconstruction accurate data source shot by an industrial camera 12 to form a three-dimensional image, then the three-dimensional image after the optimization processing is wirelessly transmitted to a receiving module through a sending module 10, the receiving module sends data to a central processing unit, the central processing unit divides the received image into a plurality of 16 x 16 small blocks, then one pixel of a corresponding position is extracted for each time for the 16 x 16 small blocks, the average value of the 256 pixels is calculated, then a Gamma value is calculated according to the average value, then 16 x 16 Gamma values can be calculated, the Gamma values are certainly not completely the same, finally the average value of the 256 Gamma values is used as the average value of the final image, the average value of the pixel regulation of the three-dimensional image can be removed, and highlight parts in the three-dimensional image can be removed, the device has the advantages of reasonable design, ingenious conception, low cost, small volume and high image acquisition speed, and can eliminate the highlight part in image imaging and improve the imaging effect of the three-dimensional image.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110336356.2A CN113141500A (en) | 2021-03-29 | 2021-03-29 | Three-dimensional image acquisition system |
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| CN202110336356.2A CN113141500A (en) | 2021-03-29 | 2021-03-29 | Three-dimensional image acquisition system |
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| CN113141500A true CN113141500A (en) | 2021-07-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114488664A (en) * | 2022-03-21 | 2022-05-13 | 厦门大学 | Electronic information engineering image acquisition processing apparatus |
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