CN210745352U - Green plum single-angle image acquisition device - Google Patents
Green plum single-angle image acquisition device Download PDFInfo
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- CN210745352U CN210745352U CN202020161492.3U CN202020161492U CN210745352U CN 210745352 U CN210745352 U CN 210745352U CN 202020161492 U CN202020161492 U CN 202020161492U CN 210745352 U CN210745352 U CN 210745352U
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Abstract
The technology discloses a green plum single-angle image acquisition device which comprises a camera, a camera fixing support, an electromagnet fixing device, an electromagnet, a plane mirror, an objective table and a rotating device, wherein the camera fixing support is arranged on the camera; the camera is arranged in the middle of the camera fixing support; the middle part of the camera fixing support is rotatably connected with a rotating device, the bottom of the rotating device is connected with an object stage, the left end and the right end of the object stage are made of metal materials, the initial position of the object stage is positioned right below the camera, and a V-shaped plane mirror is arranged right below the initial position of the object stage; the upper left side and the upper right side of the objective table are both provided with electromagnet fixing devices, the top ends of the electromagnet fixing devices are connected with the camera fixing support, and the bottom ends of the electromagnet fixing devices are connected with electromagnets. According to the technology, the upper surface, the left surface and the right surface information of the green plums can be obtained by utilizing the rotating device, and compared with manual rotation of the green plums, the green plum surface information acquisition efficiency is greatly improved; and the camera only acquires an image at one angle each time, so that the calculation amount is reduced.
Description
Technical Field
The technology belongs to the field of forest fruit sorting, and mainly relates to a single-angle image acquisition device for green plum fruits.
Background
The green plum, also known as dark plum, belongs to a tree, is native to China, and is one of the characteristic fruits in China. The green plum has small fruit volume and high nutritive value, but the processing technology and the comprehensive utilization rate level of the green plum in China are lower at present, and the production level of the fruit in China is severely restricted.
In recent years, machine vision technology, near infrared spectrum technology, multispectral technology and the like are gradually applied to nondestructive testing of fruits, and in project pre-research, a camera is often used for collecting surface information of green plums, so that the surface quality of the green plums is matched with physical and chemical indexes. In the actual experiment process, images of a plurality of surfaces are collected to expand the sample size, but because the green plums are small in size, the distance between a camera and a vertical line of an operating platform is small, so that the manual rotation of the green plums by an experimenter is troublesome, and the rotated green plums need to be adjusted to the imaging area of the camera again. Although the fruit multi-angle images can be acquired by simultaneously acquiring the fruit images by a plurality of plane mirrors, the acquired multi-angle images are simultaneously in one picture, the difficulty of later data segmentation is high, and the workload of the process is greatly increased.
Disclosure of Invention
The technical problem to be solved by the technology is to provide a green plum single-angle image acquisition device aiming at the defects of the prior art, the green plum single-angle image acquisition device can be used for acquiring the information of the upper surface, the left surface and the right surface of a green plum by using a rotating device in research, and compared with manual rotation of the green plum, the green plum single-angle image acquisition device greatly improves the acquisition efficiency of the surface information of the green plum; and the camera only acquires an image at one angle each time, so that the calculation amount is reduced.
In order to achieve the technical purpose, the technical scheme adopted by the technology is as follows:
a green plum single-angle image acquisition device comprises a camera, a camera fixing support, an electromagnet fixing device, an electromagnet, a plane mirror, an objective table and a rotating device;
the camera is arranged in the middle of the camera fixing support;
the camera fixing support is characterized in that a rotating device is rotatably connected to the middle of the camera fixing support, an object stage is fixedly connected to the bottom of the rotating device and used for driving the object stage to rotate left and right, metal materials are arranged at the left end and the right end of the object stage, the initial position of the object stage is located right below a camera, and a V-shaped plane mirror is arranged right below the initial position of the object stage;
the upper left side and the upper right side of objective table all are equipped with electromagnet fixing device, and the electromagnet fixing device top of upper left side is connected and the bottom is connected with the electro-magnet with the left side of camera fixed bolster, and the electromagnet fixing device top of upper right side is connected and the bottom is connected with the electro-magnet with the right side of camera fixed bolster, the electro-magnet is used for actuation objective table on the rotary device.
As a further improved technical scheme of the technology, the middle part of the camera fixing support is provided with a hole, and the camera is arranged in the hole.
As a further improved technical scheme of the technology, the electromagnet fixing device comprises an electromagnet fixing plate and two electromagnet supports, the electromagnet fixing plate is fixedly connected with the camera fixing support, the top ends of the two electromagnet supports are fixedly connected with the front side and the rear side of the electromagnet fixing plate respectively, and the bottom ends of the two electromagnet supports are fixedly connected with electromagnets.
As a further improved technical scheme of the technology, the electromagnet support is V-shaped, and the bottom end of the electromagnet support points to an objective table below the camera fixing support.
As the technical scheme of further improvement of the technology, the rotating device comprises two rotating supports, the front side and the rear side of the middle part of the camera fixing support are both rotatably connected with the rotating supports, and the object stage is fixedly connected between the bottoms of the two rotating supports.
As a further improved technical scheme of the technology, the rotating device further comprises a motor, connecting lugs are arranged on the front side and the rear side of the middle of the camera fixing support, an output shaft of the motor is rotatably connected with reserved holes in the connecting lugs through bearings, and the output shaft of the motor is vertically and fixedly connected with the rotating support.
The beneficial effect of this technique does:
(1) the green plum single-angle image acquisition device can rotate green plum fruits to a specified position by using the rotating device and the objective table, the rotating device is attracted by the electromagnet, the green plum fruits are imaged in the plane mirror, and the camera can acquire the green plum images in the plane mirror, so that the information of the left surface or the right surface of the green plum is acquired; when the rotating device is still, the camera can collect the images of the upper surface of the green plum, so that the information of the upper surface of the green plum is obtained.
(2) In the working process of the device, the camera only collects images at one angle at each time, the later-stage image segmentation processing is not needed, and the calculated amount is reduced.
Drawings
Fig. 1 is a perspective view of the first embodiment.
Fig. 2 is a perspective view of the second embodiment.
Fig. 3 is a perspective view of the third embodiment.
Fig. 4 is a front view of the present embodiment.
Fig. 5 is a left or right side view of the present embodiment.
Fig. 6 (a) is a schematic view of the first embodiment of collecting the top surface image of the green plum.
Fig. 6 (b) is a schematic diagram of collecting an image of the upper surface of the green plum in the present embodiment.
Fig. 7 (a) is a schematic diagram of the first image of the left side surface of the green plum collected in the present embodiment.
Fig. 7 (b) is a schematic diagram of the second embodiment of collecting the image of the left side surface of the green plum.
Fig. 8 (a) is a schematic diagram of the left and right extreme positions for collecting green plums in this embodiment.
Fig. 8 (b) is a schematic diagram of two extreme positions of the green plum collection in the present embodiment.
Fig. 9 is an imaging principle diagram of the present embodiment.
Detailed Description
Embodiments of the present technique are further described below with reference to fig. 1-9:
as shown in fig. 1 to 5, a single-angle image capturing device for green plums comprises a camera 1, a camera fixing bracket 3, an electromagnet fixing device, an electromagnet 6, a plane mirror 7, an object stage 8 and a rotating device.
The camera 1 is arranged in the middle of the camera fixing bracket 3.
The middle part swivelling joint of camera fixed bolster 3 has rotary device, and rotary device's bottom fixedly connected with objective table 8 and rotary device are used for driving objective table 8 and control the rotation, and both ends and 6 actuation positions of electro-magnet are metal material about objective table 8, and the initial position of objective table 8 is located camera 1 under, is equipped with level crossing 7 that is the V type under the 8 initial position of objective table. The plane mirror 7 consists of a first plane mirror 7-2 and a second plane mirror 7-1.
The upper left side and the upper right side of objective table 8 all are equipped with electromagnet fixing device, and the electromagnet fixing device top of upper left side is connected and the bottom is connected with electro-magnet 6 with the left side of camera fixed bolster 3, and the electromagnet fixing device top of upper right side is connected and the bottom is connected with electro-magnet 6 with the right side of camera fixed bolster 3, electro-magnet 6 is used for actuation objective table 8 on the rotary device.
The middle part of camera fixed bolster 3 is equipped with hole 2, camera 1 is located in hole 2.
The electromagnet fixing device comprises an electromagnet fixing plate 4 and two electromagnet supports 5, the electromagnet fixing plate 4 is fixedly connected with the camera fixing support 3, the top ends of the two electromagnet supports 5 are respectively and symmetrically distributed with the front side and the rear side of the electromagnet fixing plate 4, and the bottom ends of the electromagnet supports 5 are fixedly connected with electromagnets 6.
The electromagnet support 5 is V-shaped, and the bottom end of the electromagnet support 5 points to an object stage 8 below the camera fixing support 3.
The rotating device comprises two rotating supports 10, the front side and the rear side of the middle part of the camera fixing support 3 are both rotatably connected with the rotating supports 10, and an object stage 8 is fixedly connected between the bottoms of the two rotating supports 10.
The rotating device further comprises a motor (not shown in the figure), the front side and the rear side of the middle of the camera fixing support 3 are respectively provided with a connecting lug 12, an output shaft 11 of the motor is rotatably connected with a reserved hole in the connecting lug 12 through a bearing, and the output shaft 11 of the motor is vertically and fixedly connected with the rotating support 10. After the motor is powered on, the rotating bracket 10 is driven to rotate leftwards or rightwards.
When the device is not in operation, as shown in fig. 6 (a) and 6 (b), the object stage 8 is right below the camera 1, and green plum fruits are placed (the green plum 9 and the object stage 8 are kept relatively still), image information of the upper surface of the green plum 9 can be collected at this time, after the camera 1 finishes collecting images of the upper surface of the green plum 9, the device starts to operate, the motor drives the rotating support 10 to rotate 30 degrees to the left, the left end of the object stage 8 is made of a metal material, the left end electromagnet 6 is electrified at this time, so that the whole rotating support 10 is fixed at a position inclined at 30 degrees to the left, the green plum fruits are imaged in a plane mirror 7-2 forming an angle of 30 degrees with the horizontal plane, and the camera 1 collects images of the green plum 9 in the plane mirror 7 at this time, namely images of the right; when the collection of the image of the right surface of the green plum 9 is finished, the left end electromagnet 6 device is powered off at the moment, the motor drives the rotating support 10 to rotate 60 degrees rightwards (which is equal to that the rotating support 10 rotates 30 degrees rightwards from the lowest end), the right end electromagnet is symmetrical to the left side state in the vertical direction, the right end of the objective table 8 is made of a metal material, the right end electromagnet 6 is powered on at the moment, the whole rotating support 10 is fixed at the position inclined by 30 degrees rightwards, the green plum 9 fruit is imaged into a second plane mirror 7-1 which forms a 30 degree angle with the horizontal plane, and the camera 1 collects the image of the green plum 9 in the second plane mirror; after image acquisition is finished, the right electromagnet 6 is powered off, the motor drives the rotating support 10 to rotate to the initial position, the green plum 9 fruits are taken down, and after marking is carried out, image acquisition of the next fruit is carried out. Fig. 7 is an effect diagram of the image of the left side surface of the green plum 9 collected in the present embodiment. Fig. 8 is an effect diagram of the left and right extreme positions of the collected green plums 9 in the present embodiment. Fig. 9 is a schematic diagram of imaging of light reflected on a flat mirror.
The device can gather the image information of green plum 9 fruit at different angles in the course of the work. In the working process of the device, the camera 1 only acquires images at one angle every time, so that the calculated amount is reduced.
The technical scope of the present invention includes, but is not limited to, the above embodiments, the technical scope of the present invention is defined by the claims, and any replacement, modification, and improvement that can be easily conceived by those skilled in the art are included in the technical scope of the present invention.
Claims (6)
1. The utility model provides a green plum single angle image acquisition device which characterized in that: the device comprises a camera, a camera fixing support, an electromagnet fixing device, an electromagnet, a plane mirror, an objective table and a rotating device;
the camera is arranged in the middle of the camera fixing support;
the camera fixing support is characterized in that a rotating device is rotatably connected to the middle of the camera fixing support, an object stage is fixedly connected to the bottom of the rotating device and used for driving the object stage to rotate left and right, metal materials are arranged at the left end and the right end of the object stage, the initial position of the object stage is located right below a camera, and a V-shaped plane mirror is arranged right below the initial position of the object stage;
the upper left side and the upper right side of objective table all are equipped with electromagnet fixing device, and the electromagnet fixing device top of upper left side is connected and the bottom is connected with the electro-magnet with the left side of camera fixed bolster, and the electromagnet fixing device top of upper right side is connected and the bottom is connected with the electro-magnet with the right side of camera fixed bolster, the electro-magnet is used for actuation objective table on the rotary device.
2. The green plum single-angle image capturing device according to claim 1, wherein: the middle part of camera fixed bolster is equipped with the hole, the camera is located in the hole.
3. The green plum single-angle image capturing device according to claim 2, wherein: the electromagnet fixing device comprises an electromagnet fixing plate and two electromagnet supports, the electromagnet fixing plate is fixedly connected with the camera fixing support, the top ends of the two electromagnet supports are fixedly connected with the front side and the rear side of the electromagnet fixing plate respectively, and the bottom ends of the two electromagnet supports are fixedly connected with electromagnets.
4. The green plum single-angle image capturing device according to claim 3, wherein: the electromagnet support is V-shaped, and the bottom end of the electromagnet support points to an objective table below the camera fixing support.
5. The green plum single-angle image capturing device according to claim 1, wherein: the rotating device comprises two rotating supports, the front side and the rear side of the middle part of the camera fixing support are both rotatably connected with the rotating supports, and an objective table is fixedly connected between the bottoms of the two rotating supports.
6. The green plum single-angle image capturing device according to claim 5, wherein: the rotating device further comprises a motor, connecting lugs are arranged on the front side and the rear side of the middle portion of the camera fixing support, an output shaft of the motor is rotatably connected with reserved holes in the connecting lugs through bearings, and the output shaft of the motor is vertically and fixedly connected with the rotating support.
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| CN202020161492.3U CN210745352U (en) | 2020-02-11 | 2020-02-11 | Green plum single-angle image acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111182190A (en) * | 2020-02-11 | 2020-05-19 | 南京林业大学 | Green plum single-angle image acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182190A (en) * | 2020-02-11 | 2020-05-19 | 南京林业大学 | Green plum single-angle image acquisition device |
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