17 results about "Tree measurement" patented technology

The invention discloses an unmanned aerial vehicle aerial photography-based forest tree measurement automatic measurement method and system. The measurement method comprises the steps of obtaining a multispectral image set of a complex forest environment through unmanned aerial vehicle aerial photography; preprocessing the multispectral image set, and obtaining an image feature set by adopting a denoising and spectral correction method; determining a tree species distribution category according to the image feature set; based on the tree species distribution category, segmenting the overlapped tree crowns through a deep convolutional neural network to obtain an independent tree crown region set; obtaining crown breadth parameters according to the independent crown region set; extracting crown height information from the crown breadth parameters to obtain a tree height parameter set; estimating the diameter at breast height by applying a regression analysis model on the basis of the tree height parameter set in combination with near-infrared characteristics of the multispectral image to obtain a diameter at breast height parameter set; and generating a comprehensive forest resource data set by adopting a data fusion technology through tree species distribution categories, crown breadth parameters, a tree height parameter set and a diameter at breast height parameter set, and determining a final measurement result.

1. The name of the design product: portable tree measuring instrument. 2. The use of the design product: measuring instrument for tree diameter shape. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to the technical field of tree height measuring devices, and discloses a forestry tree height measuring device which comprises a fixing bottom plate, a fixing base is installed on the outer wall of the top of the fixing bottom plate, a supporting transverse shaft is rotationally connected to the fixing base, and a supporting base is fixedly installed on the side wall of the supporting transverse shaft. A measuring assembly used for measuring the height of a tree is installed on the outer wall of the top of the supporting base, positioning blocks are installed at the two ends of the supporting transverse shaft respectively, guide rods are installed on the two side walls of the fixing base respectively, after the measuring assembly is unfolded, the limiting bottom plate is pulled to be separated from the positioning blocks, then the measuring assembly is rotated by 90 degrees, and the height of the tree is measured. According to the device, after the measuring assembly for measuring the tree is unfolded, the measuring assembly is rotated to the vertical direction, and therefore the measuring convenience of the device during measurement is facilitated.

The invention belongs to the technical field of tree measurement, and particularly relates to a periscopic AI aiming tree height measuring device, which comprises a telescopic mechanism, a mounting frame mounted at the top of the telescopic mechanism, an image acquisition module, an image processing module and an image processing module, the image acquisition module comprises at least one camera fixed on one side of the mounting rack and a detector fixed at the bottom of the mounting rack, the attitude sensing module is used for monitoring spatial attitude data of the mounting rack in real time, and the attitude sensing module comprises a tilt angle sensor fixed on the mounting rack and a display module which is used for outputting a tree height measurement result. The display module comprises a touch displayer fixed to the outer side of the telescopic mechanism and a data processing module and is used for calculating the tree height through data of the detector, the telescopic mechanism comprises a shell, and a threaded rod is rotationally connected into the shell. The method can penetrate through canopies to obtain the tree tip data of the middle and lower layers, does not climb or damage the stand structure, and improves the tree height measurement precision and efficiency under complex forest conditions.

This utility model discloses an agricultural remote sensing measurement device, including a control box, a solar charging device, and a tree measurement device. This agricultural remote sensing measurement device uses measuring branches to measure data such as leaf density, light radiation within the tree canopy, temperature, humidity, and stem flow. The controller stores the corresponding data in a memory, and periodically uploads the data in the memory to a remote control center via a 5G communication module. This facilitates researchers' study of tree transpiration, and the remote control center can view the current data at any time via the 5G communication module for convenient sampling. The use of tree branches facilitates the installation of the measuring branches and control box, ensuring installation stability for long-term monitoring. The solar charging device charges the battery, reducing the measurement device's dependence on external power and is energy-saving and environmentally friendly.

The invention discloses a broad-leaved mixed forest operation prediction method based on time sequence per-tree data, which comprises the steps of collecting and preprocessing time sequence data, calculating a basic growth potential through basic growth potential quantification logic integrated with an attention mechanism, performing competition-microenvironment interaction correction in combination with per-tree scale data and microenvironment data, and predicting a broad-leaved mixed forest operation prediction result. And introducing biological interaction data and operation measure parameters to construct feedback optimization logic, outputting a final growth prediction value, generating an individual operation scheme, and dynamically adjusting through closed-loop iteration. The method solves the core problem of disjunction of prediction and operation in the prior art, realizes precise prediction and individualized operation of growth of the broad-leaved mixed forest, and adapts to forest growth dynamics and environmental changes.

The invention discloses a forestry tree measurer, and belongs to the technical field of tree measurement, the forestry tree measurer comprises a base, the bottom of the base is provided with movable wheels, the top surface of the base is provided with a distance measuring assembly and a pushing handle, the distance measuring assembly is used for accurately measuring the horizontal distance between trees, and the pushing handle is used for pushing the movable wheels. A positioning disc is fixedly mounted on one side of the top surface of the base, a plurality of positioning holes are formed in the positioning disc, a mounting groove is formed in the middle of the top surface of the base, a top groove is formed in the top surface of the base, and an angle ruler disc is rotatably mounted in the top groove through a rotating shaft. The distance measuring assembly and the adjustable angle ruler disc are arranged in the device, through the design, the distance between trees can be measured, the height of the trees can also be measured, even if the device is located in an uneven measurement area, accurate measurement data can be obtained, and the measurement accuracy is improved. Measurement deviation caused by different environments is greatly reduced, and the actual application effect of equipment is improved.

The utility model relates to the technical field of forest tree measuring equipment, and discloses measuring equipment for forest management and cultivation, which comprises a belt ruler for measuring the diameter at breast height of a forest tree; a crayon is used for marking; the measuring scale comprises a measuring scale rod, scale marks are arranged on the measuring scale rod, a sharp fork is installed at the bottom of the measuring scale rod, and a grab handle is fixedly installed at the top of the measuring scale rod. According to the utility model, the measuring scale rod is adopted to quickly position the measuring position of the diameter at breast height of a tree, and compared with the existing measuring mode of positioning the structure by independently pulling a measuring tape, the measuring scale rod is quicker and more portable, so that the forest tree measuring efficiency is improved, and the measuring scale rod can be used for directly measuring the height of some shorter tree seedlings, so that the practicability is good; meanwhile, when a measurer walks in a forest to measure a tree, the measurer can hold the grab handle with a hand and then is matched with the sharp fork at the bottom of the measuring ruler rod, so that the measuring ruler rod can be used as a mountain climbing crutch to assist the measurer to walk, the device has two purposes, multiple functions are realized, and the practicability is further improved.

To provide a tree measuring apparatus capable of accurately determining whether a tree is in a growth state or a withered state by measuring temperature changes by a far-infrared image for changes of an outside temperature.SOLUTION: A tree measuring apparatus comprises: an image acquisition part 41 which acquires a first far-infrared image IN1 of a tree F imaged at first timing and a second far-infrared image IN2 of the tree imaged at second timing; and a growth determination part 42 which, regarding a tree F having a predetermined value or more of a difference between the acquired first far-infrared image IN1 and the acquired second far-infrared image IN2, determines a growth state of the tree F is in a withered state.SELECTED DRAWING: Figure 1

The invention provides a tree measurement method and device, electronic equipment and a storage medium, and is suitable for the technical field of tree measurement. The method comprises the following steps: acquiring three-dimensional point cloud data; the three-dimensional point cloud data is used for representing a forest scene, and the point cloud data carries coordinate information; performing single-tree segmentation on the three-dimensional point cloud data, and determining a point cloud model and coordinate information of each tree; based on the point cloud model of each tree, measuring each tree to obtain tree structure parameters of each tree; and generating a tree database corresponding to the forest scene based on the coordinate information and the tree structure parameters of each tree. According to the embodiment of the invention, the structured tree database including the detailed information of the single tree can be automatically generated according to the three-dimensional point cloud data, the tree measurement time is shortened, the tree measurement accuracy is improved, large-scale measurement can be realized, and the expandability in large-scale forest management or ecological research is improved.

The invention discloses a method for automatically measuring the diameter at breast height of a tree based on depth vision, and relates to the technical field of forest resource monitoring, and the method is characterized in that a depth imaging device is used for synchronously collecting RGB-D data streams; carrying out median filtering noise reduction processing on the depth map, and carrying out bounding box labeling and data amplification on the RGB image; carrying out feature extraction and trunk region detection on the RGB image by adopting a lightweight convolutional neural network comprising a dynamic channel attention module; dynamically positioning a chest height section based on camera pose parameters, and extracting a trunk boundary point set by using depth continuity constraint; and mapping the boundary point set to a three-dimensional space to calculate the tree diameter at breast height. According to the invention, the automatic measurement of the diameter at breast height of the tree is realized, the measurement time of a single tree is shortened to 10-15 seconds from traditional manual 2-3 minutes, compared with laser radar measurement equipment, the cost is lower, the size is smaller, the environmental adaptability is higher, and an efficient and economic solution is provided for large-scale forest resource investigation.

The invention discloses a growth strain measurement method based on a wood form. The method comprises the following operation steps: (1) determining a man-made forest quadrat; (2) a cross tree selection method: selecting a plurality of target standing trees which vertically grow in the same row and the same row with the target standing trees which vertically grow in the center of the quadrat by taking the target standing trees which vertically grow in the center of the quadrat as a reference; (3) sample tree measuring point selection: selecting four points at the long diameter and the short diameter of the high position of the trunk of the standing tree; and (4) measuring the growth strain of the sample wood. According to the method, the long diameter, the short diameter and the long diameter of the chest height are selected as test points, tree trunk shape variation is linked, a larger extreme value is obtained, the test data are closer to the actual state of wood growth stress while the test accuracy and precision are remarkably improved, and powerful data support is provided for optimization of tree breeding and cultivation technologies.

The utility model relates to the technical field of tree measuring tools, in particular to a tree diameter at breast height and tree height synchronous measuring instrument which comprises a sliding rod, scale marks are arranged on the surface of the sliding rod in the length direction of the sliding rod, end plates are fixedly installed at the two ends of the sliding rod, and a limiting plate is fixedly installed at the end of one end plate. A sliding sleeve is slidably connected to the sliding rod, and a clamping plate is fixedly installed at the end of the sliding sleeve. A supporting base is fixedly installed on the other end plate, a rectangular groove is formed in the supporting base, a laser range finder is rotationally connected between the left side groove wall and the right side groove wall of the rectangular groove through a rotating shaft, and a laser lamp is arranged on the surface of the laser range finder. The tree height measuring device facilitates measurement operation of the diameter at breast height and the tree height and is convenient to use.

The invention provides a tree perimeter measuring instrument, and relates to the technical field of tree measurement. A ventilation winding part is rotationally connected to the mounting supporting part; the ventilation winding part is fixedly connected with a measurement connecting piece; the measuring connecting piece is fixedly connected with a row of positioning connecting pieces; a limiting friction piece is connected to the mounting supporting part in a sliding manner; two nail pressing devices are fixedly connected to the mounting supporting part; an air pressure supply part is fixedly connected to the mounting support part; the air pressure supply part is rotationally connected to the ventilation winding part; the air pressure supply part is rotationally connected with a rolling and expanding integrated control part; by adopting a fitting measurement mode, the measured data is more accurate, meanwhile, pneumatic separation and disassembly are more efficient, and the problems that an existing tree perimeter measuring instrument is not provided with an auxiliary positioning structure, the measuring precision is low, and fitting positioning cannot be achieved for large tree measurement are solved.

This invention discloses a rapid mapping, localization, and statistical method for roadside trees based on handheld SLAM, including data acquisition, target extraction, and localization and statistics. Compared with traditional tree-by-tree measurement, it enables continuous data acquisition while walking, obtaining three-dimensional information of all roadside trees in one go, improving field data acquisition efficiency by 80%. Through dynamic interference filtering and roadside tree feature enhancement, it reduces the impact of dynamic objects such as vehicles and pedestrians on point cloud quality, adapts to complex street scenes, and improves the stability and accuracy of modeling in urban environments. Utilizing the linear arrangement and morphological characteristics of roadside trees, it effectively distinguishes trees from similar features such as streetlights and traffic signs, achieving high recognition accuracy and reducing misidentification and missed identification. Cloud processing is integrated with greening maintenance operations, automatically extracting multi-dimensional parameters such as tree height, diameter at breast height (DBH), and crown width while acquiring the location of individual trees, enabling business-oriented data processing and providing refined data support for greening management, tree health monitoring, and green volume calculation.

The application discloses a portable tree diameter measuring device, and belongs to the technical field of tree measurement, which comprises a supporting mechanism, a positioning and clamping mechanism is arranged in the supporting mechanism, a rotary driving mechanism is arranged on the top surface of the supporting mechanism, the rotary driving mechanism comprises a supporting plate, a movable frame and a driving assembly, a measuring mechanism is arranged below the movable frame through a one-way clutch, and an angle measuring mechanism is arranged below the measuring mechanism. The fixed semicircular rack is matched with the one-way clutch, the reciprocating motion of the movable frame is converted into the one-way rotation of the measuring mechanism, the whole circular gear ring is replaced by the semicircular structure, and 360-degree full-circle scanning is realized; the radial displacement and the rotation angle are synchronously collected by the displacement sensor and the angle measuring mechanism, the complete cross-section profile data of the tree trunk are acquired, and the measurement accuracy of the irregular tree trunk is improved; the openable and closable supporting ring and the handle are adopted, the structure is compact, the device is convenient to carry, and the device is suitable for field operation.

The application provides a landscaping construction method, comprising the following steps: S1, measuring the trees needing to be transplanted, and drawing a circle according to the diameter and crown height of the trees needing to be transplanted; S2, using a digger to dig the trees needing to be transplanted; S3, using a crane to suspend the trees after being dug, and using a binding assembly to bind the root groups of the trees; and S4, moving the trees after being bound to a designated position by a truck, digging a hole, filling and watering. The trees are measured, the root groups are dug out, and finally the trees are bound by a machine, so that the efficiency is higher, the trees are finally transported to the designated position to dig a hole and fill, and the whole process is simpler and more efficient.