CN212030459U - Measuring device for measuring area and perimeter of leaf based on pixel method - Google Patents
Measuring device for measuring area and perimeter of leaf based on pixel method Download PDFInfo
- Publication number
- CN212030459U CN212030459U CN202020877999.9U CN202020877999U CN212030459U CN 212030459 U CN212030459 U CN 212030459U CN 202020877999 U CN202020877999 U CN 202020877999U CN 212030459 U CN212030459 U CN 212030459U
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- light
- plate
- background
- pixel method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model relates to a measuring device, concretely relates to measuring device based on pixel method survey blade area and girth. The LED lamp comprises a transparent panel (2) and a bottom plate (3) which are connected through a hinge (1), wherein the upper surface of the bottom plate (3) is transparent and is internally provided with a light-emitting device; and a light-transmitting background plate (4) with scales is arranged on the bottom plate (3). The utility model discloses convenient to use is convenient for flatten the blade and fix, has avoided the production of shadow, does benefit to the imaging effect when shooing.
Description
Technical Field
The utility model relates to a measuring device, concretely relates to measuring device based on pixel method survey blade area and girth.
Background
For a long time, the blade area calculation by using image processing software (Auto CAD, photoshop, etc.) after shooting the blades by a digital camera is an economic and convenient blade area measuring method, and the principle is as follows: and calculating the number of pixel points occupied by the blades in the image by utilizing the photoshop pixel point counting function, and comparing the number of the pixel points occupied by the blades with the number of the pixel points occupied by a reference object (coordinate paper square), thereby calculating the actual area of the blades.
The method requires that the blade is placed in a single background to be shot so as to achieve the accurate measurement effect. In the actual operation process, the background plate is generally a self-made rectangular hard plate such as a thin paperboard, a plastic plate and the like, and then coordinate paper is pasted on the surface of the plate to serve as a reference dimension. The background plate is limited by the shape of the background plate, so that the difficulty of fixing and flattening the blade is high during field shooting; and current background board can not give out light, and the blade of shooing often can leave the shade on the background board to increase measuring error, increase image processing's the degree of difficulty, influence measurement accuracy. The prior background plate is lack of a stable reference object, and the angle and the height are not fixed, so that the perspective deformation of an image is caused, and the measurement error is caused. Although taking pictures with coordinate paper as background can eliminate errors caused by perspective deformation, the coordinate paper is easily damaged or polluted, the sustainable utilization rate is low, and the difficulty of image acquisition is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measuring device based on pixel method survey blade area and girth to solve the problem that the difficult fixed and shadow influence of blade when pixel method survey blade area and girth.
In order to achieve the above object, the utility model provides a following technical scheme:
a measuring device for measuring the area and the perimeter of a leaf based on a pixel method comprises the following steps: the LED lamp comprises a transparent panel and a bottom plate which are connected through a hinge, wherein the upper surface of the bottom plate is transparent and is internally provided with a light-emitting device; and a light-transmitting background plate with scales is arranged on the bottom plate.
During the use, put the blade on printing opacity background board, close transparent panel and bottom plate through the hinge can be with the blade exhibition flat and fixed, the production of shadow has been avoided to the light that light-emitting device sees through earlier passes the upper surface of bottom plate makes the printing opacity even pass printing opacity background board again, does benefit to the formation of image effect when shooing.
Preferably, the light-transmitting background plate is movably arranged on the upper surface of the base plate, the upper surface of the base plate is provided with limiting bosses surrounding the periphery of the light-transmitting background plate, and the height of each limiting boss is not higher than the thickness of the light-transmitting background plate. This structure makes the printing opacity background board be convenient for take off the change, can change the printing opacity background board of different colours according to the colour of blade, and during the installation of printing opacity background board, place and can realize fixing in spacing region of spacing boss.
Preferably, the upper surface of the bottom plate is provided with a clip for fastening and fixing the transparent panel and the bottom plate. The clamp can press from both sides the transparent panel tightly after transparent panel and bottom plate lock, does benefit to the centre gripping of blade fixedly, is convenient for shoot the operation.
Preferably, the printing layer is arranged on the light-transmitting background plate, and the printing layer is provided with a reference object image which is black opaque square, circle and equilateral triangle. The reference object image plays a role in image positioning, and positioning and measurement are performed in subsequent calculation by using image processing software.
Preferably, the light-emitting device comprises a battery box arranged on the bottom plate and an LED lamp arranged in the bottom plate, and the LED lamp is connected with the battery box.
Preferably, the back of the bottom plate is provided with a receiving bag for receiving the light-transmitting background plate, and a plurality of light-transmitting background plates with different colors are placed in the receiving bag.
Compared with the prior art, the utility model discloses can produce following beneficial effect at least:
the utility model is convenient to use, is convenient to flatten and fix the blade, avoids the generation of shadow and is beneficial to the imaging effect during photographing;
the utility model is convenient for taking down and replacing the transparent background plate, and the transparent background plate with different colors can be replaced according to the color of the blade;
the reference object image arranged on the light-transmitting background plate of the utility model is positioned and measured when the subsequent image processing software is utilized to calculate;
the utility model discloses the bag is accomodate in the setting, the printing opacity background board of the different colours of portable polylith.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows the structure of a measuring device for determining the area and the perimeter of a blade based on the pixelation method, and several embodiments are listed below with reference to the figure.
Example 1:
a measuring device for measuring the area and the perimeter of a leaf based on a pixel method comprises the following steps: the LED lamp comprises a transparent panel 2 and a bottom plate 3 which are connected through a hinge 1, wherein the upper surface of the bottom plate 3 is transparent, and a light-emitting device is arranged in the bottom plate 3 and comprises a battery box 10 arranged on the bottom plate 3 and an LED lamp 11 arranged in the bottom plate 3, the LED lamp 11 is connected with the battery box 10, and the LED lamp 11 is powered by the battery box 10; and a light-transmitting background plate 4 with scales is arranged on the bottom plate 3.
During the use, put the blade on printing opacity background board 4, close transparent panel 2 and bottom plate 3 through hinge 1 can be with the blade exhibition flat and fixed, the production of shadow has been avoided to the light that light emitting device sees through earlier passes the upper surface of bottom plate 3 and makes the printing opacity even pass printing opacity background board 4 again, does benefit to the formation of image effect when shooing.
Example 2:
a measuring device for measuring the area and the perimeter of a leaf based on a pixel method comprises the following steps: including transparent panel 2 and bottom plate 3 through hinge 1 connection, the upper surface printing opacity of bottom plate 3 sets up illuminator in it, and illuminator is including setting up in the battery case 10 of bottom plate 3 and setting up the LED lamp 11 in bottom plate 3, LED lamp 11 is connected with battery case 10, and LED lamp 11 is supplied power by battery case 10. Be provided with printing opacity background board 4 that has the scale on the bottom plate 3, the activity of printing opacity background board 4 is placed in the upper surface of bottom plate 3, and 3 upper surfaces of bottom plate is provided with around printing opacity background board 4 spacing boss 9 all around, the thickness that highly is not higher than printing opacity background board 4 of spacing boss 9.
When the color-changeable light-transmitting background plate is used, the light-transmitting background plate 4 with a proper color is selected according to the color of the blades and is placed on the upper surface of the bottom plate 3, and the position is limited by the limiting boss 9. Put the blade on printing opacity background board 4 again, close transparent panel 2 and bottom plate 3 through hinge 1 can be flat and fixed with the blade exhibition, the production of shadow has been avoided to the light that light-emitting device sees through the upper surface of bottom plate 3 earlier makes the printing opacity even pass printing opacity background board 4 again, does benefit to the imaging effect when shooing.
Example 3:
a measuring device for measuring the area and the perimeter of a leaf based on a pixel method comprises the following steps: including transparent panel 2 and bottom plate 3 through hinge 1 connection, the upper surface printing opacity of bottom plate 3 sets up illuminator in it, and illuminator is including setting up in the battery case 10 of bottom plate 3 and setting up the LED lamp 11 in bottom plate 3, LED lamp 11 is connected with battery case 10, and LED lamp 11 is supplied power by battery case 10. Be provided with printing opacity background board 4 that has the scale on the bottom plate 3, the activity of printing opacity background board 4 is placed in the upper surface of bottom plate 3, and 3 upper surfaces of bottom plate is provided with around printing opacity background board 4 spacing boss 9 all around, the thickness that highly is not higher than printing opacity background board 4 of spacing boss 9. The back of the bottom plate 3 is provided with a containing bag for containing the light-transmitting background plate 4, and the light-transmitting background plates 4 with different colors are placed in the containing bag
When the color-changeable light-transmitting background plate is used, the light-transmitting background plate 4 with a proper color is selected according to the color of the blades and is placed on the upper surface of the bottom plate 3, and the position is limited by the limiting boss 9. Put the blade on printing opacity background board 4 again, close transparent panel 2 and bottom plate 3 through hinge 1 can be flat and fixed with the blade exhibition, the production of shadow has been avoided to the light that light-emitting device sees through the upper surface of bottom plate 3 earlier makes the printing opacity even pass printing opacity background board 4 again, does benefit to the imaging effect when shooing.
Example 4:
a measuring device for measuring the area and the perimeter of a leaf based on a pixel method comprises the following steps: including transparent panel 2 and bottom plate 3 through hinge 1 connection, the upper surface printing opacity of bottom plate 3 sets up illuminator in it, and illuminator is including setting up in the battery case 10 of bottom plate 3 and setting up the LED lamp 11 in bottom plate 3, LED lamp 11 is connected with battery case 10, and LED lamp 11 is supplied power by battery case 10. Be provided with printing layer on the printing layer of printing layer 4, be provided with reference object image on the printing layer, reference object image is black opaque square 6, circular 7 and equilateral triangle 8 on the printing layer of printing layer 4, be provided with scale on the bottom plate 3. The light-transmitting background plate 4 is movably arranged on the upper surface of the bottom plate 3, the upper surface of the bottom plate 3 is provided with a limiting boss 9 surrounding the periphery of the light-transmitting background plate 4, and the height of the limiting boss 9 is not higher than the thickness of the light-transmitting background plate 4. The back of the bottom plate 3 is provided with a containing bag for containing the light-transmitting background plate 4, and the light-transmitting background plates 4 with different colors are placed in the containing bag
When the color-changeable light-transmitting background plate is used, the light-transmitting background plate 4 with a proper color is selected according to the color of the blades and is placed on the upper surface of the bottom plate 3, and the position is limited by the limiting boss 9. Put the blade on printing opacity background board 4 again, close transparent panel 2 and bottom plate 3 through hinge 1 can be flat and fixed with the blade exhibition, the production of shadow has been avoided to the light that light-emitting device sees through the upper surface of bottom plate 3 earlier makes the printing opacity even pass printing opacity background board 4 again, does benefit to the imaging effect when shooing.
The most preferred embodiment is as follows:
a measuring device for measuring the area and the perimeter of a leaf based on a pixel method comprises the following steps: including transparent panel 2 and bottom plate 3 through hinge 1 connection, 3 upper surfaces of bottom plate are provided with and are used for the clip 5 fixed with transparent panel 2 and 3 locks of bottom plate, the upper surface printing opacity of bottom plate 3 sets up illuminator in and, illuminator is including setting up in the battery case 10 of bottom plate 3 and setting up the LED lamp 11 in bottom plate 3, LED lamp 11 is connected with battery case 10, and LED lamp 11 is supplied power by battery case 10. Be provided with printing layer on the printing layer of printing layer 4, be provided with reference object image on the printing layer, reference object image is black opaque square 6, circular 7 and equilateral triangle 8 on the printing layer of printing layer 4, be provided with scale on the bottom plate 3. The light-transmitting background plate 4 is movably arranged on the upper surface of the bottom plate 3, the upper surface of the bottom plate 3 is provided with a limiting boss 9 surrounding the periphery of the light-transmitting background plate 4, and the height of the limiting boss 9 is not higher than the thickness of the light-transmitting background plate 4. The back of the bottom plate 3 is provided with a containing bag for containing the light-transmitting background plate 4, and the light-transmitting background plates 4 with different colors are placed in the containing bag
When the color-changeable light-transmitting background plate is used, the light-transmitting background plate 4 with a proper color is selected according to the color of the blades and is placed on the upper surface of the bottom plate 3, and the position is limited by the limiting boss 9. The blade is placed on the light-transmitting background plate 4, the transparent panel 2 and the bottom plate 3 are closed through the hinge 1, the blade can be flattened and fixed, and the transparent panel 2 is clamped by the clamp 5. The light emitted by the light-emitting device avoids the generation of shadows, and the light emitted by the light-emitting device firstly passes through the upper surface of the bottom plate 3 to ensure that the light is uniformly transmitted and then passes through the light-transmitting background plate 4, so that the imaging effect during photographing is facilitated.
Reference throughout this specification to multiple illustrative embodiments means that a particular structure described in connection with the embodiments is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, while a structure has been described in connection with any one embodiment, it is to be understood that it is within the scope of the invention to implement such structure in connection with other embodiments.
Claims (6)
1. A measuring device for measuring the area and the perimeter of a leaf based on a pixel method comprises the following steps: the LED lamp comprises a transparent panel (2) and a bottom plate (3) which are connected through a hinge (1), wherein the upper surface of the bottom plate (3) is transparent and is internally provided with a light-emitting device; and a light-transmitting background plate (4) with scales is arranged on the bottom plate (3).
2. The apparatus for measuring area and circumference of a blade based on pixel method as claimed in claim 1, wherein: the light-transmitting background plate (4) is movably arranged on the upper surface of the bottom plate (3), a limiting boss (9) surrounding the periphery of the light-transmitting background plate (4) is arranged on the upper surface of the bottom plate (3), and the height of the limiting boss (9) is not higher than the thickness of the light-transmitting background plate (4).
3. The apparatus for measuring area and circumference of a blade based on pixel method as claimed in claim 1, wherein: the upper surface of the bottom plate (3) is provided with a clip (5) for buckling and fixing the transparent panel (2) and the bottom plate (3).
4. The apparatus for measuring area and circumference of a blade based on pixel method as claimed in claim 1, wherein: the printing layer is arranged on the light-transmitting background plate (4), and reference object images are arranged on the printing layer and are black opaque squares (6), circles (7) and equilateral triangles (8).
5. The apparatus for measuring area and circumference of a blade based on pixel method as claimed in claim 1, wherein: the light-emitting device comprises a battery box (10) arranged on the bottom plate (3) and an LED lamp (11) arranged in the bottom plate (3), and the LED lamp (11) is connected with the battery box (10).
6. The apparatus for measuring area and circumference of a blade based on pixel method as claimed in claim 2, wherein: the back of bottom plate (3) be provided with the bag of accomodating that is used for accomodating printing opacity background board (4), place a plurality of printing opacity background boards (4) of different colours in the bag of accomodating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020877999.9U CN212030459U (en) | 2020-05-22 | 2020-05-22 | Measuring device for measuring area and perimeter of leaf based on pixel method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020877999.9U CN212030459U (en) | 2020-05-22 | 2020-05-22 | Measuring device for measuring area and perimeter of leaf based on pixel method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212030459U true CN212030459U (en) | 2020-11-27 |
Family
ID=73480489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020877999.9U Expired - Fee Related CN212030459U (en) | 2020-05-22 | 2020-05-22 | Measuring device for measuring area and perimeter of leaf based on pixel method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212030459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153080A (en) * | 2022-07-06 | 2022-10-11 | 浙江中烟工业有限责任公司 | Visual tobacco leaf shaping device and method |
-
2020
- 2020-05-22 CN CN202020877999.9U patent/CN212030459U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153080A (en) * | 2022-07-06 | 2022-10-11 | 浙江中烟工业有限责任公司 | Visual tobacco leaf shaping device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212030459U (en) | Measuring device for measuring area and perimeter of leaf based on pixel method | |
| CN109191520B (en) | Plant leaf area measuring method and system based on color calibration | |
| CN116256373B (en) | Perovskite battery film surface defect detection method | |
| CN201561742U (en) | Projection three-dimensional measuring device | |
| CN108604368A (en) | Image rotating method/device and the printing process/system for including the spinning solution/device | |
| CN109470171B (en) | Sphericity measuring device and sphericity measuring method based on machine vision technology | |
| CN207882168U (en) | Angular position detection jig after LED product patch | |
| CN201811716U (en) | Detection equipment of ceramic plate | |
| CN210091241U (en) | 3D calibration board | |
| CN203616264U (en) | Imaging device for quality detecting system | |
| CN108683908A (en) | Multi-functional caliberating device | |
| DE60117905D1 (en) | Method for generating a computer image of a three-dimensional object with special effect surfaces | |
| CN213518344U (en) | Calibration plate for joint calibration of visible light and infrared camera | |
| CN113607081A (en) | Contact type welding surface defect three-dimensional measurement system and method | |
| CN201329745Y (en) | Rapid drawing board | |
| CN109141506A (en) | Multi-functional calibration system | |
| CN111417848B (en) | Method for measuring insoluble materials in polymer solutions | |
| GB2177519A (en) | Apparatus for mounting an image-carrying substrate on a mounting sheet with the image at a desired orientation | |
| CN210803314U (en) | Battery cell edge appearance detection device | |
| CN208572296U (en) | Multi-functional caliberating device | |
| CN114485923A (en) | Regular tetrahedron panoramic illuminometer and panoramic illuminance measurement method | |
| CN210323366U (en) | Ground laser scanning reflector plate for under-forest investigation | |
| CN108648243B (en) | Near infrared camera parameter calibration board | |
| CN108981588B (en) | Cup opening height measuring device and measuring method | |
| CN210441789U (en) | Molecular device is measured to oil film method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 Termination date: 20210522 |