CN114812493A - Tree height measuring device and method - Google Patents
Tree height measuring device and method Download PDFInfo
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- CN114812493A CN114812493A CN202210485204.3A CN202210485204A CN114812493A CN 114812493 A CN114812493 A CN 114812493A CN 202210485204 A CN202210485204 A CN 202210485204A CN 114812493 A CN114812493 A CN 114812493A
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- telescopic rod
- tree
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/22—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a tree height measuring device and method, belonging to the technical field of surveying and mapping, comprising the following steps: the rigid telescopic rod is vertically arranged on the ground near the high tree to be detected; the telescopic direction of the rigid telescopic rod is parallel to the growth direction of the high tree to be detected; scales are uniformly marked on the rigid telescopic rod along the telescopic direction of the rigid telescopic rod; the camera is arranged at the top end of the rigid telescopic rod; the visual angle of the camera faces to the high tree to be detected, and the visual angle of the camera is perpendicular to the growth direction of the high tree to be detected; and the remote imaging equipment is in signal connection with the camera and displays the picture shot by the camera in real time. The device operability is higher; and the telescopic height of the telescopic rod can be accurately controlled, so that the accuracy of tree height measurement can be improved.
Description
Technical Field
The invention relates to the technical field of surveying and mapping, in particular to a tree height measuring device and method.
Background
The measurement of the height of the trees is an important work of forestry production, scientific research and teaching and forest investigation, and is an important basis for evaluating the quality of the site and the growth condition of the trees. At the present stage, although there are many commonly used tree height determination tools and methods, the solutions in the prior art are easily affected by the great forest density and the diversity of topography, which results in the problem that the height of the tree cannot be measured normally, and the problem that the measurement accuracy is low due to the fact that the branches and leaves of the tree itself or adjacent trees are too dense and mutually generate shielding or interference between the branches and leaves.
Disclosure of Invention
The invention aims to provide a tree height measuring device and method, which improve the operability of the tree height measuring device and the accuracy of tree height measurement.
In order to achieve the purpose, the invention provides the following scheme:
a tree height measuring device comprising:
the rigid telescopic rod is vertically arranged on the ground near the high tree to be detected; the telescopic direction of the rigid telescopic rod is parallel to the growth direction of the high tree to be detected; scales are uniformly marked on the rigid telescopic rod along the telescopic direction of the rigid telescopic rod;
the camera is arranged at the top end of the rigid telescopic rod; the visual angle of the camera faces to the high tree to be detected, and the visual angle of the camera is perpendicular to the growth direction of the high tree to be detected;
and the remote imaging equipment is in signal connection with the camera and displays the picture shot by the camera in real time.
Optionally, the rigid telescopic rod comprises a plurality of layers of telescopic sections sleeved in sequence, and the scale value of each telescopic section is increased along the vertical downward direction except for the outermost telescopic section.
Optionally, when the rigid telescopic rod is extended, the telescopic sections are sequentially used as action telescopic sections from inside to outside to be extended;
the current scale of the rigid telescopic rod is a scale value of the joint of the top end of the outermost telescopic section and the last action telescopic section.
Optionally, the device further comprises a scale camera; the scale camera is used for shooting the current scale of the rigid telescopic rod;
the scale camera is in signal connection with the remote imaging equipment, and displays the current scale of the rigid telescopic rod on the remote imaging equipment.
Optionally, the device further comprises a base for fixing the rigid telescopic rod.
Optionally, a rocker is mounted on the base;
the rocker is mechanically connected with the rigid telescopic rod and used for manually controlling the expansion and contraction of the rigid telescopic rod.
Optionally, an automatic control mechanism is further arranged in the base, and the automatic control mechanism is used for automatically controlling the stretching of the rigid telescopic rod according to the picture shot by the camera, so that the camera can keep the same height with the tip end of the tall tree to be detected.
Corresponding to the tree height measuring device, the invention also provides a tree height measuring method, which comprises the following steps:
fixing the tree height measuring device on the ground near the high tree to be measured;
opening the height measuring device, and controlling the rigid telescopic rod to stretch and retract so as to keep the camera at the same height as the tail end of the treetop of the high tree to be measured;
and reading the current scale of the rigid telescopic rod to obtain the height of the high tree to be measured.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a tree height measuring device and method, comprising the following steps: the rigid telescopic rod is vertically arranged on the ground near the high tree to be detected; the telescopic direction of the rigid telescopic rod is parallel to the growth direction of the high tree to be detected; scales are uniformly marked on the rigid telescopic rod along the telescopic direction of the rigid telescopic rod; the camera is arranged at the top end of the rigid telescopic rod; the visual angle of the camera faces to the high tree to be detected, and the visual angle of the camera is perpendicular to the growth direction of the high tree to be detected; and the remote imaging equipment is in signal connection with the camera and displays the picture shot by the camera in real time. The tree height measuring device provided by the invention adopts the rigid telescopic rod to measure the tree height, the measuring device occupies a small area, the requirement on the terrain around the target to be measured is low, and compared with the scheme that the tree height measurement cannot be carried out easily due to large forest density or diversified terrain in the prior art, the tree height measuring device provided by the invention has higher operability; in addition, the tree is shot through the camera at the top end of the rigid telescopic rod, the shot picture is displayed in real time through the remote imaging equipment, the telescopic height of the telescopic rod can be accurately controlled, and therefore the accuracy of tree height measurement can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a tree height measuring device according to embodiment 1 of the present invention;
fig. 2 is a schematic view of a rigid telescopic rod in the tree height measuring device provided in embodiment 1 of the present invention;
fig. 3 is a flowchart of a tree height measuring method according to embodiment 2 of the present invention.
Symbol interpretation: 1: a rigid telescoping rod; 2: a camera; 3: a remote imaging device.
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.
The invention aims to provide a tree height measuring device and method, which improve the operability of the tree height measuring device and the accuracy of tree height measurement.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
the present embodiment provides a tree height measuring device, as shown in fig. 1, the device including:
the rigid telescopic rod 1 is vertically arranged on the ground near the high tree to be detected; the telescopic direction of the rigid telescopic rod 1 is parallel to the growth direction of the high tree to be detected; scales are uniformly marked on the rigid telescopic rod 1 along the telescopic direction of the rigid telescopic rod 1;
the camera 2 is arranged at the top end of the rigid telescopic rod 1; the visual angle of the camera 2 faces the tree to be detected, and the visual angle of the camera 2 is perpendicular to the growth direction of the tree to be detected;
and the remote imaging equipment 3 is in signal connection with the camera 2 and displays the picture shot by the camera 2 in real time.
As an implementation manner, the rigid telescopic rod 1 may include a plurality of layers of telescopic sections sleeved in sequence, and the scale value of each telescopic section increases along the vertical downward direction except for the telescopic section at the outermost layer; the top scale of the first layer flexible section from inside to outside is the length of the outermost flexible section, and the top scale of the second layer flexible section from inside to outside is linked up with the bottom scale of the first layer flexible section. As shown in fig. 2, the length of the outermost layer of the telescopic section is 70cm, the scale of the top end of the first layer of the telescopic section from inside to outside is 70cm, and the length is increased along the vertical downward direction, and when the scale of the bottom end of the first layer of the telescopic section is 140cm, the top end of the second layer of the telescopic section is 140cm and the length is increased along the vertical downward direction. Of course, it should be understood by those skilled in the art that although the length of each layer of the telescopic segments is the same in fig. 2, it is only an example and is not limited to the same length; although only individual scales are shown in fig. 2, the scales are not limited to the embodiment, and more fine scales may be present.
The trees in the forest have different heights, and the rigid telescopic rod 1 needs to be controlled to stretch and retract during measurement so that the telescopic rod keeps the same height with the trees; when the rigid telescopic rod 1 needs to be extended, all the telescopic sections are sequentially used as action telescopic sections from inside to outside to be extended; when the first layer of telescopic section reaches the maximum extension length, the second layer of telescopic section starts to extend;
the current scale of the rigid telescopic rod 1 is the scale value of the joint of the top end of the outermost telescopic section and the last action telescopic section, and the scale indicated by the arrow in fig. 2 is the current scale.
In order to facilitate a measurer to visually observe the picture and the current scale shot by the camera 2, the device further comprises a scale camera; the scale camera is used for shooting the current scale of the rigid telescopic rod 1;
the scale camera is in signal connection with the remote imaging device 3, and displays the current scale of the rigid telescopic rod 1 on the remote imaging device 3.
In order to make the rigid telescopic rod 1 capable of standing on the ground, the device further comprises a base for fixing the rigid telescopic rod 1. In some embodiments, the remote imaging apparatus 3 and the base may be integrated into a single structure, or may be independent of each other, and the remote imaging apparatus 3 may be disposed at a suitable position.
As a means for controlling the rigid telescopic rod 1 to stretch, a rocker is arranged on the base;
and the rocker is mechanically connected with the rigid telescopic rod 1, so that a measurer can conveniently and manually control the expansion and contraction of the rigid telescopic rod 1.
As another means for controlling the rigid telescopic rod 1 to stretch, an automatic control mechanism may be further disposed in the base, and the automatic control mechanism is configured to automatically control stretching of the rigid telescopic rod 1 according to a picture taken by the camera 2, so that the camera 2 and the end of the treetop of the tall tree to be detected can keep the same height.
In some embodiments, the camera 2 may be replaced by a radiation emitting device, and the position of the measurement target may be confirmed by the principle that the measurement target is irradiated with radiation and receives a return signal.
The tree height measuring device provided by the invention is not influenced by forest stand conditions, can be used for observing in real time and adjusting the direction and angle in time in the ascending process, is not influenced by environmental factors such as wind and the like, is simple and convenient to operate, can be used for completing the measuring process by a single person, and has accurate and reliable measuring data.
Example 2:
as shown in the flowchart of fig. 3, the present embodiment provides a method for measuring tree height, corresponding to the apparatus for measuring tree height provided in embodiment 1, including the steps of:
s1, fixing the tree height measuring device on the ground near the high tree to be measured;
s2, opening the height measuring device, and controlling the rigid telescopic rod to stretch and retract so that the camera and the tail end of the treetop of the tall tree to be measured are kept at the same height;
and S3, reading the current scale of the rigid telescopic rod to obtain the height of the high tree to be measured.
Portions of the technology may be considered "articles" or "articles of manufacture" in the form of executable code and/or associated data, which may be embodied or carried out by a computer readable medium. Tangible, non-transitory storage media may include memory or storage for use by any computer, processor, or similar device or associated module. For example, various semiconductor memories, tape drives, disk drives, or any similar device capable of providing a storage function for software.
All or a portion of the software may sometimes communicate over a network, such as the internet or other communication network. Such communication may load software from one computer device or processor to another. For example: from a server or host computer of the video object detection device to a hardware platform of a computer environment, or other computer environment implementing a system, or similar functionality related to providing information needed for object detection. Thus, another medium capable of transferring software elements may also be used as a physical connection between local devices, such as optical, electrical, electromagnetic waves, etc., propagating through cables, optical cables, air, etc. The physical medium used for the carrier wave, such as an electric, wireless or optical cable or the like, may also be considered as the medium carrying the software. As used herein, unless limited to a tangible "storage" medium, other terms referring to a computer or machine "readable medium" refer to media that participate in the execution of any instructions by a processor.
Specific examples are used herein, but the foregoing description is only illustrative of the principles and embodiments of the present invention, and the description of the examples is only provided to assist understanding of the method and the core concept of the present invention; those skilled in the art will appreciate that the modules or steps of the invention described above can be implemented using general purpose computing apparatus, or alternatively, they can be implemented using program code executable by computing apparatus, such that it is executed by computing apparatus when stored in a storage device, or separately fabricated into integrated circuit modules, or multiple modules or steps thereof can be fabricated into a single integrated circuit module. The present invention is not limited to any specific combination of hardware and software.
Meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A tree height measuring device, the device comprising:
the rigid telescopic rod is vertically arranged on the ground near the high tree to be detected; the telescopic direction of the rigid telescopic rod is parallel to the growth direction of the high tree to be detected; scales are uniformly marked on the rigid telescopic rod along the telescopic direction of the rigid telescopic rod;
the camera is arranged at the top end of the rigid telescopic rod; the visual angle of the camera faces to the high tree to be detected, and the visual angle of the camera is perpendicular to the growth direction of the high tree to be detected;
and the remote imaging equipment is in signal connection with the camera and displays the picture shot by the camera in real time.
2. The tree height measuring device of claim 1, wherein the rigid telescoping rod comprises a plurality of telescoping sections sleeved in sequence, and the scale value of each telescoping section except the outermost telescoping section increases in a vertical downward direction.
3. The tree height treatment device according to claim 2, wherein when the rigid telescopic rod is extended, the telescopic sections are sequentially extended as action telescopic sections from inside to outside;
the current scale of the rigid telescopic rod is the scale value of the joint of the top end of the outermost telescopic section and the last action telescopic section.
4. The tree height measuring device of claim 3, further comprising a scale camera; the scale camera is used for shooting the current scale of the rigid telescopic rod;
the scale camera is in signal connection with the remote imaging equipment, and displays the current scale of the rigid telescopic rod on the remote imaging equipment.
5. The tree height measuring device of claim 1, further comprising a base for securing the rigid telescoping rod.
6. The tree height measuring device of claim 5, wherein a rocker is mounted on said base;
the rocker is mechanically connected with the rigid telescopic rod and used for manually controlling the expansion and contraction of the rigid telescopic rod.
7. The tree height measuring device according to claim 5, wherein an automatic control mechanism is further provided in the base, and the automatic control mechanism is configured to automatically control the expansion and contraction of the rigid telescopic rod according to the picture taken by the camera, so that the camera can keep the same height as the tip end of the tall tree to be measured.
8. A tree height measuring method using the tree height measuring apparatus according to any one of claims 1 to 7, the method comprising:
fixing the tree height measuring device on the ground near the high tree to be measured;
opening the height measuring device, and controlling the rigid telescopic rod to stretch and retract so as to keep the camera at the same height as the tail end of the treetop of the high tree to be measured;
and reading the current scale of the rigid telescopic rod to obtain the height of the high tree to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210485204.3A CN114812493A (en) | 2022-05-06 | 2022-05-06 | Tree height measuring device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210485204.3A CN114812493A (en) | 2022-05-06 | 2022-05-06 | Tree height measuring device and method |
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| Publication Number | Publication Date |
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| CN114812493A true CN114812493A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210485204.3A Pending CN114812493A (en) | 2022-05-06 | 2022-05-06 | Tree height measuring device and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207946083U (en) * | 2018-01-04 | 2018-10-09 | 福建农林大学 | A kind of tree height measurement device |
| CN109556585A (en) * | 2019-01-31 | 2019-04-02 | 福州大学 | Telescopic mounting and application method for mining geology survey |
| CN214095935U (en) * | 2021-05-26 | 2021-08-31 | 国家林业和草原局林产工业规划设计院 | Multi-purpose height measuring rod |
| CN214790235U (en) * | 2021-05-22 | 2021-11-19 | 贵州工程应用技术学院 | Electronic equipment for measuring tree height |
| CN215373943U (en) * | 2021-09-23 | 2021-12-31 | 天津所托瑞安汽车科技有限公司 | Measuring tool for measuring installation height of camera |
-
2022
- 2022-05-06 CN CN202210485204.3A patent/CN114812493A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207946083U (en) * | 2018-01-04 | 2018-10-09 | 福建农林大学 | A kind of tree height measurement device |
| CN109556585A (en) * | 2019-01-31 | 2019-04-02 | 福州大学 | Telescopic mounting and application method for mining geology survey |
| CN214790235U (en) * | 2021-05-22 | 2021-11-19 | 贵州工程应用技术学院 | Electronic equipment for measuring tree height |
| CN214095935U (en) * | 2021-05-26 | 2021-08-31 | 国家林业和草原局林产工业规划设计院 | Multi-purpose height measuring rod |
| CN215373943U (en) * | 2021-09-23 | 2021-12-31 | 天津所托瑞安汽车科技有限公司 | Measuring tool for measuring installation height of camera |
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