CN110231338A - A kind of image collecting device and Image Acquisition comparison method - Google Patents
A kind of image collecting device and Image Acquisition comparison method Download PDFInfo
- Publication number
- CN110231338A CN110231338A CN201910592970.8A CN201910592970A CN110231338A CN 110231338 A CN110231338 A CN 110231338A CN 201910592970 A CN201910592970 A CN 201910592970A CN 110231338 A CN110231338 A CN 110231338A
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- China
- Prior art keywords
- camera
- chessboard
- tobacco leaf
- transparent glass
- cabinet
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8466—Investigation of vegetal material, e.g. leaves, plants, fruits
Abstract
The invention discloses a kind of image collecting devices and Image Acquisition comparison method, relate to tobacco equipment field；The right end of cabinet is fixedly connected with capping, left end is fixedly connected with side plate, the two sides inner wall of cabinet is equipped with an elongated slot, elongated slot extends from right to left, draw runner is slidably connected in elongated slot, the two sides of transparent glass chessboard are fixedly connected with corresponding draw runner, and elongated slot is stretched out in the side that draw runner is connected with transparent glass chessboard, and draw runner is fixedly connected with the moving body for the mobile device being mounted on cabinet；Capping is equipped with the sliding door that the transparent glass chessboard for being loaded with tobacco leaf can be allowed to pass through；The present invention acquires three kinds of pictures of comparative analysis tobacco leaf, can acquire more information to a piece of tobacco leaf, extract more features, so that the classification to tobacco leaf is more accurate.
Description
Technical field
The present invention relates to tobacco equipment fields；Specially a kind of image collecting device and Image Acquisition comparison method.
Background technique
In tobacco industry application, a kind of demand is tobacco leaf photo to be acquired using camera and by deep learning algorithm pair
Tobacco leaf carries out grade separation；When carrying out grade separation to tobacco leaf by visual manner, lamp source and camera are set up usually in camera bellows,
To guarantee stable image recognition effect, however prior art manner is the common color picture or coloured silk for acquiring tobacco leaf
Color transmits picture, and analyzes the tobacco feature in single picture, to carry out judgement tobacco leaf degree；But the feature of single picture
Analysis inevitably has deviation in accuracy, but there is no realize plurality of picture alignment and comparative analysis feature in the prior art
Technology；And in existing tobacco leaf information collection, usually camera bellows is opened, then tobacco leaf is placed on objective table, such operation
Trouble.
Summary of the invention
To solve to be not carried out the technology of plurality of picture alignment and comparative analysis feature in the prior art, single picture is analyzed
Tobacco feature obtained from judging result inaccuracy, place tobacco leaf trouble the problems such as, the present invention devises a kind of Image Acquisition
Device and Image Acquisition comparison method.
A kind of image collecting device, including camera bellows, light source, camera, transparent glass chessboard and mobile device, in the camera bellows
The light source and the camera are installed；The camera bellows includes cabinet, side plate and capping, and the cabinet is the hollow of left and right perforation
Structure, the right end of the cabinet are fixedly connected with the capping, and left end is fixedly connected with the side plate, in the two sides of the cabinet
Wall is equipped with an elongated slot, and the elongated slot extends from right to left, and draw runner, the transparent glass chess are slidably connected in the elongated slot
The two sides of disk are fixedly connected with the corresponding draw runner, described in the side stretching that the draw runner is connected with the transparent glass chessboard
Elongated slot, the draw runner are fixedly connected with the moving body for the mobile device being mounted on the cabinet；The capping is equipped with energy
The sliding door for enough allowing the transparent glass chessboard for being loaded with tobacco leaf to pass through.
Preferably, the mobile device includes mobile motor, transmission mechanism and leading screw and nut mechanism, the right side of the installs case
End is fixedly connected with mounting shell, and the mobile motor and transmission mechanism, the leading screw and nut mechanism are equipped in the mounting shell
It is sequentially connected by the transmission mechanism and the mobile motor, there are two the leading screw and nut mechanisms, feed screw nut's machine
Structure installs the lower section of the corresponding draw runner, and the nut of the leading screw and nut mechanism is fixedly connected with the draw runner.
Preferably, leading screw and nut mechanism includes screw rod and travelling nut, and the screw rod left end and the capping are rotatablely connected,
Right end is pierced by the side plate and is sequentially connected by the transmission mechanism and the mobile motor, and the screw rod is rotatably installed in described
On side plate, the screw rod is threadedly coupled with the travelling nut, and the top of the travelling nut and the bottom end of the draw runner are fixed
Connection.
Preferably, the transmission mechanism is chain-wheel mechanism, and the chain-wheel mechanism includes chain-wheel mechanism one and chain-wheel mechanism two,
The output shaft of the driving wheel and the mobile motor of the chain-wheel mechanism one is coaxially connected, the driven wheel of the chain-wheel mechanism one with
One of them described screw rod is coaxially connected, and the driving wheel of the chain-wheel mechanism two coaxially connects with the output shaft of the mobile motor
It connects, screw rod described in the driven wheel and the other end of the chain-wheel mechanism two is coaxially connected.
A kind of Image Acquisition comparison method, the method are used such as a kind of claim 1 to figure as claimed in claim 4
As acquisition device；The light source includes ordinary light source and infrared light supply, the camera include general camera, color projection camera and
Infrared transmission camera, the ordinary light source, the general camera and the infrared light supply are sequentially arranged at the case from left to right
The upper end of body, the color projection camera and the infrared transmission camera are sequentially arranged at the lower end of the cabinet from left to right；
It the described method comprises the following steps:
Step 1: tobacco leaf is put on the transparent glass chessboard in camera bellows；At this time the tobacco leaf be located at the ordinary light source,
The lower section of the infrared light supply and the general camera；
Step 2: acquisition image information: first turning on the ordinary light source, then start the general camera and clapped
According to, normal picture information is acquired, restarts color projection camera later and takes pictures, acquisition color projection pictorial information, then
The ordinary light source is closed, the infrared light supply is opened, restarts infrared transmission camera and takes pictures, acquires infrared transmission picture
Information；
Step 3: image information compares analysis: first matched the interior angle point of chessboard in three kinds of pictures is key point,
Then the homograph matrix between normal picture and above two transmission picture is calculated separately, two kinds of transmission pictures pass through correspondence
Homograph matrix be aligned and correct with normal picture respectively, obtained two kinds of transmission pictures and will commonly scheme after alignment correction
Piece inputs neural network, to extract the feature of tobacco leaf and be classified according to feature to tobacco leaf；
Step 4: taking out tobacco leaf.
Preferably, the color projection camera is located at the lower section of the ordinary light source, and the infrared transmission camera is located at institute
State the lower section of infrared light supply.
Preferably, in the step 1, sliding door is first opened, mobile device is then started, so that the transparent glass chess
Disk is pierced by camera bellows, and tobacco leaf is placed on the transparent glass chessboard later, then starts mobile device, so that being loaded with tobacco leaf
The transparent glass chessboard is back in camera bellows, turns off the sliding door later.
Preferably, in the step 4, after pictorial information acquisition, the sliding door is first opened, then the mobile dress of starting
It sets, so that the transparent glass chessboard is pierced by the camera bellows, tobacco leaf is removed from the transparent glass chessboard later, is then opened
Dynamic mobile device opens the sliding door so that the transparent glass chessboard is back in camera bellows again later.
Compared with the prior art, the advantages of the present invention are as follows:
1, three kinds of pictures of present invention acquisition comparative analysis tobacco leaf, can acquire more information to a piece of tobacco leaf, mention
More features are taken out, so that the classification to tobacco leaf is more accurate；
2, tobacco leaf of the invention is placed on transparent glass chessboard, and when acquiring picture, tobacco leaf and chessboard are in the same picture
It is interior, therefore in comparative analysis picture, matching alignment is carried out as key point using the interior angle point of chessboard in picture, works as grid
When point alignment, tobacco leaf is just also aligned；
3, objective table of the invention is transparent glass chessboard, neither influences the acquisition of picture, can also provide alignment basic point；
4, capping of the invention is equipped with through slot, and transparent glass chessboard can be pierced by camera bellows, when placing tobacco leaf, is not required to open dark
Case, it is simple to operate.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is schematic diagram of the invention；
Fig. 3 is picture collection schematic device of the invention；
Fig. 4 is mobile device scheme of installation of the invention；
Fig. 5 is mobile device schematic diagram of the invention.
Wherein, 1- camera bellows, 2- draw runner, 3- transparent glass chessboard, 4- mobile device, 5- cabinet, 6- side plate, 7- capping, 8-
Sliding door, 9- ordinary light source, 10- infrared light supply, 11- general camera, 12- color projection camera, 13- infrared transmission camera, 14-
Mobile motor, 15- transmission mechanism, 16- screw rod, 17- travelling nut, 18- mounting shell.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
The drawings and specific embodiments, the present invention is further explained.
As shown in Figures 1 to 5, a kind of image collecting device, including camera bellows 1, light source, camera, transparent glass chessboard 3 and shifting
Device 4 is moved, the light source and the camera are installed in the camera bellows 1；The camera bellows 1 includes cabinet 5, side plate 6 and capping 7,
The cabinet 5 is the hollow structure of left and right perforation, and the right end of the cabinet 5 is fixedly connected with the capping 7, and left end is fixedly connected
There is the side plate 6, the two sides inner wall of the cabinet 5 is equipped with an elongated slot, and the elongated slot extends from right to left, in the elongated slot
Slidably connect draw runner 2, the two sides of the transparent glass chessboard 3 are fixedly connected with the corresponding draw runner 2, the draw runner 2 with
The elongated slot, shifting draw runner 2 and be mounted on the cabinet 5 are stretched out in the connected side of the transparent glass chessboard 3
The moving body of dynamic device 4 is fixedly connected；The capping 7, which is equipped with, can allow the transparent glass chessboard 3 for being loaded with tobacco leaf to pass through
Sliding door 8.
The mobile device 4 includes mobile motor 14, transmission mechanism 15 and leading screw and nut mechanism, the right end of the installs case
It is fixedly connected with mounting shell 18, the mobile motor 14 and transmission mechanism 15, the screw rod spiral shell are installed in the mounting shell 18
Parent agency is sequentially connected by the transmission mechanism 15 with the mobile motor 14, and there are two the leading screw and nut mechanisms, described
Leading screw and nut mechanism installs the lower section of the corresponding draw runner 2, the nut of the leading screw and nut mechanism and the fixed company of the draw runner 2
It connects.
Leading screw and nut mechanism includes screw rod 16 and travelling nut 17, and 16 left end of screw rod and the capping 7 are rotatablely connected,
Right end is pierced by the side plate 6 and is sequentially connected by the transmission mechanism 15 with the mobile motor 14, the rotation of screw rod 16 peace
On the side plate 6, the screw rod 16 is threadedly coupled with the travelling nut 17, the top of the travelling nut 17 with it is described
The bottom end of draw runner 2 is fixedly connected.
The transmission mechanism 15 is chain-wheel mechanism, and the chain-wheel mechanism includes chain-wheel mechanism one and chain-wheel mechanism two, described
The driving wheel of chain-wheel mechanism one and the output shaft of the mobile motor 14 are coaxially connected, the driven wheel of the chain-wheel mechanism one and its
In a screw rod 16 it is coaxially connected, the driving wheel of the chain-wheel mechanism two and the output shaft of the mobile motor 14 coaxially connect
It connects, screw rod 16 described in the driven wheel and the other end of the chain-wheel mechanism two is coaxially connected.
A kind of Image Acquisition comparison method, the method are used such as a kind of claim 1 to figure as claimed in claim 4
As acquisition device；The light source includes ordinary light source 9 and infrared light supply 10, and the camera includes general camera 11, color projection
Camera 12 and infrared transmission camera 13, the ordinary light source 9, the general camera 11 and the infrared light supply 10 from left to right according to
The secondary upper end for being mounted on the cabinet 5, the color projection camera 12 and the infrared transmission camera 13 are successively pacified from left to right
Mounted in the lower end of the cabinet 5；It the described method comprises the following steps:
Step 1: tobacco leaf is put on the transparent glass chessboard 3 in camera bellows 1；The tobacco leaf is located at the normal light at this time
Source 9, the infrared light supply 10 and the general camera 11 lower section；
Step 2: acquisition image information: first turning on the ordinary light source 9, then start the general camera 11 and carry out
It takes pictures, acquires normal picture information, restart color projection camera 12 later and take pictures, acquire color projection pictorial information,
It is then switched off the ordinary light source 9, opens the infrared light supply 10, restarts infrared transmission camera 13 and takes pictures, is acquired red
Outer transmission pictorial information；
Step 3: image information compares analysis: first matched the interior angle point of chessboard in three kinds of pictures is key point,
Then the homograph matrix between normal picture and above two transmission picture is calculated separately, two kinds of transmission pictures pass through correspondence
Homograph matrix be aligned and correct with normal picture respectively, obtained two kinds of transmission pictures and will commonly scheme after alignment correction
Piece inputs neural network, to extract the feature of tobacco leaf and be classified according to feature to tobacco leaf；
Step 4: taking out tobacco leaf.
The color projection camera 12 is located at the lower section of the ordinary light source 9, and the infrared transmission camera 13 is located at described
The lower section of infrared light supply 10.
In the step 1, sliding door 8 is first opened, then starts mobile device 4, so that the transparent glass chessboard 3 is worn
Tobacco leaf is placed on the transparent glass chessboard 3 by camera bellows 1 out later, then starts mobile device 4, so that being loaded with tobacco leaf
The transparent glass chessboard 3 is back in camera bellows 1, turns off the sliding door 8 later.
In the step 4, after pictorial information acquisition, the sliding door 8 is first opened, then starts mobile device 4, makes
It obtains the transparent glass chessboard 3 and is pierced by the camera bellows 1, tobacco leaf is removed from the transparent glass chessboard 3 later, is then started
Mobile device 4 opens the sliding door 8 so that the transparent glass chessboard 3 is back in camera bellows 1 again later.
In the present embodiment, the outer surface of the capping 7 is equipped with groove, and the slot bottom of the groove lower semisection is equipped with and can lead to
The through slot for being loaded with the transparent glass chessboard 3 of tobacco leaf is crossed, the sliding door 8 slides up and down in the groove, the sliding
Door 8 can shelter from the through slot.
Described on base, in tobacco industry application, a kind of demand is to acquire tobacco leaf photo using camera and pass through depth
Learning algorithm carries out grade separation to tobacco leaf；When carrying out grade separation to tobacco leaf by visual manner, usually set up in camera bellows 1
Lamp source and camera, thus guarantee stable image recognition effect, however prior art manner is the common coloured silk for acquiring tobacco leaf
Chromatic graph piece or color projection picture, and the tobacco feature in single picture is analyzed, to carry out judgement tobacco leaf degree；But it is single
The signature analysis of one picture inevitably has deviation in accuracy, but in the prior art there is no realize plurality of picture alignment and
The technology of comparative analysis feature；And in existing tobacco leaf information collection, usually camera bellows 1 is opened, then tobacco leaf is placed on load
Object platform, it is such troublesome in poeration.
The present invention acquires three kinds of pictures of comparative analysis tobacco leaf, can acquire more information to a piece of tobacco leaf, extracts
More features out, so that the classification to tobacco leaf is more accurate；Tobacco leaf of the invention is placed on transparent glass chessboard 3, acquisition
When picture, tobacco leaf and chessboard are to close with the interior angle point of chessboard in picture in the same picture, therefore in comparative analysis picture
Key point carries out matching alignment, and when grid point alignment, tobacco leaf is just also aligned；Objective table of the invention is transparent glass chess
Disk 3 neither influences the acquisition of picture, can also provide alignment basic point；Capping 7 of the invention is equipped with through slot, transparent glass chessboard 3
It can be pierced by camera bellows 1, when placing tobacco leaf, be not required to open camera bellows 1, it is simple to operate.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of image collecting device, which is characterized in that including camera bellows (1), light source, camera, transparent glass chessboard (3) and movement
Device (4), the camera bellows (1) is interior to be equipped with the light source and the camera；The camera bellows (1) includes cabinet (5), side plate (6)
With capping (7), the cabinet (5) is the hollow structure of left and right perforation, and the right end of the cabinet (5) is fixedly connected with the capping
(7), left end is fixedly connected with the side plate (6), and the two sides inner wall of the cabinet (5) is equipped with an elongated slot, the elongated slot from
Dextrad left extension slidably connects draw runner (2) in the elongated slot, the two sides of the transparent glass chessboard (3) with it is corresponding described
Draw runner (2) is fixedly connected, and the elongated slot, the cunning are stretched out in the side that the draw runner (2) is connected with the transparent glass chessboard (3)
Item (2) is fixedly connected with the moving body for the mobile device (4) being mounted on the cabinet (5)；The capping (7) is equipped with energy
The sliding door (8) for enough allowing the transparent glass chessboard (3) for being loaded with tobacco leaf to pass through.
2. a kind of image collecting device according to claim 1, which is characterized in that the mobile device (4) includes movement
Motor (14), transmission mechanism (15) and leading screw and nut mechanism, the right end of the installs case is fixedly connected with mounting shell (18), described
The mobile motor (14) and transmission mechanism (15) are installed in mounting shell (18), the leading screw and nut mechanism passes through the transmission
Mechanism (15) and the mobile motor (14) are sequentially connected, and there are two the leading screw and nut mechanisms, the leading screw and nut mechanism peace
The lower section of the corresponding draw runner (2) is filled, the nut of the leading screw and nut mechanism is fixedly connected with the draw runner (2).
3. a kind of image collecting device according to claim 2, which is characterized in that leading screw and nut mechanism includes screw rod (16)
With travelling nut (17), screw rod (16) left end and the capping (7) are rotatablely connected, and right end is pierced by the side plate (6) and passes through
The transmission mechanism (15) and the mobile motor (14) are sequentially connected, and the screw rod (16) is rotatably installed in the side plate (6)
On, the screw rod (16) is threadedly coupled with the travelling nut (17), the top and the draw runner (2) of the travelling nut (17)
Bottom end be fixedly connected.
4. a kind of image collecting device according to claim 3, which is characterized in that the transmission mechanism (15) is chain turbine
Structure, the chain-wheel mechanism include chain-wheel mechanism one and chain-wheel mechanism two, and the driving wheel of the chain-wheel mechanism one and the movement are electric
The output shaft of machine (14) is coaxially connected, and the driven wheel and screw rod described in one of them (16) of the chain-wheel mechanism one are coaxially connected,
The driving wheel of the chain-wheel mechanism two and the output shaft of the mobile motor (14) are coaxially connected, the chain-wheel mechanism two it is driven
It takes turns coaxially connected with screw rod described in the other end (16).
5. a kind of Image Acquisition comparison method, which is characterized in that the method is used such as claim 1 to claim 4 institute
A kind of image collecting device stated；The light source includes ordinary light source (9) and infrared light supply (10), and the camera includes common phase
Machine (11), color projection camera (12) and infrared transmission camera (13), the ordinary light source (9), the general camera (11) and
The infrared light supply (10) is sequentially arranged at the upper end of the cabinet (5), the color projection camera (12) and institute from left to right
State the lower end that infrared transmission camera (13) is sequentially arranged at the cabinet (5) from left to right；It the described method comprises the following steps:
Step 1: tobacco leaf is put on the transparent glass chessboard (3) in camera bellows (1)；The tobacco leaf is located at the normal light at this time
Source (9), the infrared light supply (10) and the general camera (11) lower section；
Step 2: acquisition image information: first turning on the ordinary light source (9), then start the general camera (11) progress
It takes pictures, acquires normal picture information, restart color projection camera (12) later and take pictures, acquisition color projection picture letter
Breath, is then switched off the ordinary light source (9), opens the infrared light supply (10), restart infrared transmission camera (13) and clapped
According to acquisition infrared transmission pictorial information；
Step 3: image information compares analysis: first being matched the interior angle point of chessboard in three kinds of pictures is key point, then
The homograph matrix between normal picture and above two transmission picture is calculated separately, two kinds of transmission pictures pass through corresponding list
Transformation matrix is answered to be aligned and correct with normal picture respectively, the two kinds of transmission pictures and normal picture that obtain after alignment correction are defeated
Enter neural network, to extract the feature of tobacco leaf and classify according to feature to tobacco leaf；
Step 4: taking out tobacco leaf.
6. a kind of Image Acquisition comparison method according to claim 5, which is characterized in that the color projection camera (12)
Positioned at the lower section of the ordinary light source (9), the infrared transmission camera (13) is located at the lower section of the infrared light supply (10).
7. a kind of Image Acquisition comparison method according to claim 5, which is characterized in that in the step 1, first open
Sliding door (8) then starts mobile device (4) and later puts tobacco leaf so that the transparent glass chessboard (3) is pierced by camera bellows (1)
It sets on the transparent glass chessboard (3), then starts mobile device (4), so that being loaded with the transparent glass chessboard of tobacco leaf
(3) it is back in camera bellows (1), turns off the sliding door (8) later.
8. a kind of Image Acquisition comparison method according to claim 5, which is characterized in that in the step 4, picture letter
After breath acquisition, the sliding door (8) are first opened, then start mobile device (4), so that the transparent glass chessboard (3) is worn
The camera bellows (1) out later removes tobacco leaf from the transparent glass chessboard (3), then starts mobile device (4), so that
The transparent glass chessboard (3) is back in camera bellows (1), opens the sliding door (8) again later.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910592970.8A CN110231338A (en) | 2019-07-03 | 2019-07-03 | A kind of image collecting device and Image Acquisition comparison method |
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| CN201910592970.8A CN110231338A (en) | 2019-07-03 | 2019-07-03 | A kind of image collecting device and Image Acquisition comparison method |
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Application publication date: 20190913 |