43 results about "Tree topping" patented technology

Provided is an individual-tree segmentation method of UAV LiDAR point cloud based on canopy morphology. The method uses woodland data obtained by a UAV LiDAR to: extract initial canopies from a CHM based on a region growing algorithm, determine whether each initial canopy is a correct segmentation canopy according to the number of local density maximum points in each initial canopy, finely segment each wrong segmentation canopy according to canopy morphology to obtain an updated set of tree tops, and finally use each of the updated set of tree tops as a seed point for performing the region growing algorithm to thereby obtain a final individual-tree segmentation result. The method make full use of height information and density information contained in a tree point cloud; and under the guidance of the density information, a wrong segmentation tree can be more accurately identified.

The present invention relates to a method for remotely and / or autonomously harvesting a tree from air. The method comprises detecting by at least one sensor on a UAV (100) a tree to be harvested, positioning a harvesting tool (105) comprising delimbing means (114) carried by the UAV (100), by using information from the at least one sensor, at a predetermined distance above a canopy of the tree to be harvested, releasing the harvesting tool (105) in a first mode from the UAV (100) from the predetermined distance above the canopy of the tree to be harvested, setting the harvesting tool (105) in a second mode when the harvesting tool (105) has the tree top (131) within its tree receiving area (177). At least a portion of the harvesting tool (105) is below the tree top (131) of the tree to be harvested while the harvesting tool (105) has a certain speed >0 in a downward direction. The first and second mode differ with respect to the tree receiving area (177) of the delimbing means (114) in the harvesting tool (105). The tree receiving area (177) refers to the area in between open and closed delimbing means (114).

The present invention relates to a tree topper, comprising: a rotator, a drive, a mounting component and a lighting component, the rotator and the drive are all mounted to the mounting component, the lighting component comprises a decoration and a light source, the light source is set opposite to the decoration to brighten the decoration, the decoration is fixedly connected to the rotator, the rotator is rotatably connected to the mounting component, and the drive is connected to the rotator to drive the rotator to rotate so as to rotate the decoration.

The invention discloses a high canopy density forest single tree segmentation method, device, medium and equipment, based on a gradient directivity map and a multi-scale seed point extraction method, firstly, a digital earth surface model is used for counting directivity of a neighborhood point cloud local gradient vector, the gradient directivity map is generated to replace CHM for crown segmentation, and the method is not affected by terrain; then, preferably using a multi-scale window to extract real tree vertexes from the gradient pointing map, and iteratively screening the real tree vertexes and deleting wrong tree vertexes according to geometric features among tree crowns, thereby effectively inhibiting over-segmentation and under-segmentation phenomena, and remarkably improving the individual tree segmentation precision; and finally, a segmentation method combining water flow path segmentation and post-processing is adopted, so that wrong segmentation results possibly generated by the watershed algorithm on the overlapped crowns in the same height interval are reduced.

An illuminating display device, including: a rotator, a drive, a mounting component and a lighting component, the rotator and the drive are all mounted to the mounting component, the lighting component includes a decoration and a light source, the light source is set opposite to the decoration to brighten the decoration, the decoration is fixedly connected to the rotator, the rotator is rotatably connected to the mounting component, and the drive is connected to the rotator to drive the rotator to rotate so as to rotate the decoration.

The invention discloses a tree height measurement method based on a woodpecker bionic vibration mark and a millimeter wave radar, and relates to the field of tree height measurement, and the tree height measurement method comprises the steps: simplifying the vibration of tree crowns, branches and leaves into a spring-damping model; the working parameters of the wood pecking machine are adjusted through the pecking strength selection model, so that the optimal pecking frequency and force amplitude are achieved; determining three-dimensional coordinates of the tree bottom based on the configured communication signals of the UWB foot ring and the UWB base station and a compensation strategy; predicting an expected vibration mode of pecking branches and leaves of a current tree crown by using a spring-damping model, and obtaining a to-be-processed signal related to tree crown vibration in vibration signals captured by a radar; separating noise signals from the to-be-processed signals through a filtering model to obtain crown vibration signals; marking a crown feature area through the crown vibration signal; the three-dimensional coordinates of the tree top are calculated through the marked tree crown feature region, and the tree height is obtained according to the attenuation model, the three-dimensional coordinates of the tree top and the three-dimensional coordinates of the tree bottom, so that the accuracy of tree height measurement is improved.

The invention relates to the field of remote sensing information extraction, and discloses a multi-scale iterative extraction method and device for tree vertexes, a medium and equipment, and the method comprises the steps: employing at least two windows of different scales to extract a gradient directivity map of a target forest or a local maximum value of a canopy height model, and determining the repeated points as real tree vertexes and the remaining points as candidate points, and iteratively screening the real tree vertexes from the candidate points according to the inter-crown geometric features of the target forest in combination with a gradient directivity map, a digital earth surface model and the like until a preset iteration ending condition is met. According to the method, the rest tree vertexes are searched gradually and iteratively from the real tree vertexes according to the geometric features between the tree crowns, and the wrong tree vertexes are deleted, so that the over-segmentation and under-segmentation phenomena are effectively inhibited, and the individual tree segmentation precision is remarkably improved.

The utility model relates to the technical field of Christmas ornaments, and discloses a foldable Christmas tree which comprises a tree body support, a plurality of branch units and connecting assemblies, the tree body support is composed of foldable vertical rod pieces, the branch units are detachably installed on the tree body support through the connecting assemblies, the top of the tree body support is provided with a tree top decorating part, and the tree top decorating part is connected with the connecting assemblies. A detachable stable base is arranged at the lower end of the tree body support. The folding chair has the advantages that the folding chair can be quickly folded and is convenient to store and transport.

The utility model relates to the technical field of optical measurement, and discloses a laser angle measuring tree height measuring instrument which comprises a scale base, a measuring mechanism is installed on the top of the scale base and used for detection and measurement, and a plurality of telescopic mechanisms are installed on the front side and the rear side of the bottom of the scale base at equal intervals. The telescopic mechanism is used for adjusting the height of the scale base; the measuring mechanism comprises a fixed short piece, the fixed short piece is installed on the top of the scale base, a supporting column is fixedly connected to the middle of the inner wall of the fixed short piece, and an arc-shaped support is fixedly connected to the top end of the supporting column. According to the utility model, the laser pen aims at the top of a tree, and the electronic protractor measures an angle alpha; the measuring mechanism is moved to the left inserting groove, the angle beta is measured after leveling, the distance L between two points of the scale of the base is read, the tree height is calculated through a formula, the instrument is made of a laser pen and an electronic protractor which are common objects, the cost is smaller than 100 yuan, operation is easy and convenient, and the instrument is worthy of popularization.

This invention provides a method, system, and storage medium for calculating the tree felling range of a high-voltage overhead transmission line's diversion line. This method can more accurately adapt to the spatial morphology of the diversion line, integrate a digital elevation model to achieve terrain-adaptive clearance calculation, and take into account both the natural growth height of trees and the safety verification of tree fall. It relates to the field of power transmission technology. The calculation method includes: obtaining relevant basic parameters of the current diversion line in the overhead transmission line for calculating the tree felling range; constructing a three-dimensional spatial model of the current diversion line and generating discrete point cloud data of the current diversion line; calculating the spatial coordinates of the treetop at each sampling point; generating square cells centered on each sampling point to be felled and with the sampling interval as the side length; merging adjacent or overlapping cells to form a continuous felling area surface to obtain the current tree felling range of the diversion line.

The present invention relates to a forest fire tree-climbing fire-fighting robot, which includes a vehicle component. Above the vehicle component, there is a fire-fighting component for spraying high-pressure water jets to extinguish fires, a tree-climbing component for carrying a fire-fighting nozzle to climb up the tree tops to extinguish fires, and a detection component for detecting fire situations. The present invention replaces manual fire-fighting with machine fire-fighting, eliminating potential safety hazards for personnel. At the same time, high-altitude fire-fighting can be achieved through the tree-climbing function, the location of the fire source can be determined through video monitoring, and the angle can be adjusted using a high-pressure spray gun to accurately extinguish the fire source. Multiple groups of fire-fighting robots can form a fire-fighting water wall at high altitude to achieve all-round fire-fighting. In addition, this fire-fighting robot can supply water for a long time, and the position of the fire-fighting robot can also be adjusted at any time according to the fire situation. This fire-fighting robot can effectively shorten the fire-fighting time and increase the fire-fighting efficiency.

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.

The present application belongs to the technical field of festival decoration, and particularly relates to a tree top supporting piece. The tree top supporting piece comprises a supporting main body, a supporting assembly and an adjusting piece matched with the supporting main body. The supporting assembly comprises a plurality of supporting pieces pivotally matched with the supporting rod. The supporting surfaces of the supporting pieces are collectively formed into a supporting surface of the supporting assembly. The adjusting piece is arranged to be displaceable along the extension direction of the supporting rod. The adjusting part is matched with the lower end or inner wall of each supporting piece to make the supporting piece pivot relative to the supporting rod to adjust the angle of the supporting surface. The tree top supporting piece of the present application can make each supporting piece of the supporting assembly pivot to the required angle relative to the supporting rod by the displacement of the adjusting piece along the supporting rod, so as to form a conical or conical-like supporting surface, and can be adjusted as required to adapt to different tree top decoration pieces.

The utility model discloses a simple high-altitude pruning and trunk cutting device which comprises a telescopic rod and a guide rope with a wire saw arranged in the middle. A wire saw guide device is fixedly arranged on the rod head of the telescopic rod; a steering shaft is arranged on the wire saw guide device on the left side of the opening of the U-shaped structure, and a stop hook is arranged on the wire saw guide device on the right side of the opening of the U-shaped structure; one end of the guide rope is connected with a steering rod capable of rotating bidirectionally; an arc-shaped clamping groove is formed in the lower surface of the left end of the steering rod capable of rotating in the two directions. The arc-shaped clamping groove is matched with the steering shaft; a clamping rod is arranged at the right end of the steering rod capable of rotating bidirectionally; according to the utility model, a wire saw reciprocating motion mode is adopted, so that the working intensity is greatly reduced, meanwhile, standing tree branches or treetops at different positions can be quickly and accurately positioned by utilizing the guide device, and an operator can quickly position the wire saw to a corresponding position for cutting.

The present invention discloses a wave-dissipating structure for an anlan landscape tree group in a seawall, which comprises a beach main body, a seabed in the wave area, a wave-dissipating landscape tree group structure, ocean waves and tides; the wave-dissipating landscape tree group structure comprises a first row of wave-dissipating landscape trees, a second row of wave-dissipating landscape trees and a seabed erosion prevention structure; the first row of wave-dissipating landscape trees comprises a landscape tree pile foundation structure, a landscape tree bottom bearing platform, a landscape tree trunk structure, a landscape tree wave-dissipating tree branch, a landscape tree top connection structure and a landscape tree branch structure; the landscape tree wave-dissipating tree branch comprises a tree branch wave-dissipating main trunk, a tree branch wave-dissipating abnormal body and a tree branch bionic skin; the tree branch wave-dissipating abnormal body plays a role in three-dimensional wave dissipation in space. The present invention combines bionics with an abnormal wave-dissipating structure of an empty tree branch, with a simple overall structure, vivid and beautiful image, achieving the best combination of ecological beauty, wave resistance and wave dissipation, being able to protect the lives of nearby residents and provide an excellent leisure and entertainment environment, and optimizing the project investment and operation management and maintenance costs.

A universal treetop mount for fixedly coupling a treetop decorative light to the top end of the main body of a tree-shaped decoration includes a mount body whose bottom side has a connecting portion for coupling with the main body of the tree-shaped decoration, and whose top side forms an upper mount surface for coupling with the treetop decorative light. A hollow positioning tube extends upward from a central position on the upper mount surface and is peripherally provided with a position-limiting groove. Blocking units are provided around the position-limiting groove to retain an object received in the position-limiting groove. When the connecting portion, which includes a connecting tube and a clamping unit, is coupled with the main body of the tree-shaped decoration, the connecting tube is coupled with a connected portion at the top end of a main trunk, and the clamping unit is clamped to the connected portion.

The utility model relates to the technical field of lighting devices, in particular to a park tree top lighting device which comprises a lighting assembly, a connecting base, a sliding rod, a supporting rod and a first locking piece. Two sliding rail plates are symmetrically arranged on the end face, close to the lighting assembly, of the connecting base, and adjusting grooves are formed in the sliding rail plates. The sliding rod is slidably installed in the adjusting groove. The other end of the supporting rod is rotationally connected with the end face, close to the connecting base, of the lighting assembly. The first locking pieces are arranged at the two ends of the sliding rod in a sleeving mode and located on the sides, away from each other, of the two sliding rail plates. The side, away from the supporting rod, of the end face, close to the connecting base, of the lighting assembly is rotationally connected with the end face, close to the lighting assembly, of the connecting base. The tree top lighting device is used for overcoming the defect that the light irradiation angle cannot be adjusted in the prior art, and the light irradiation angle can be adjusted in time along with tree growth of the tree top lighting device.

The invention discloses a method for acquiring topographic information under vegetation occlusion in a man-made forest region, and the method comprises the steps: obtaining three-dimensional point cloud data of a research region through the oblique photography and modeling of an unmanned plane, and carrying out the processing of the three-dimensional point cloud data; clustering the point cloud data by using an improved Euclidean clustering algorithm, and establishing a kd tree of point cloud coordinate values for searching adjacent points by using a kd tree algorithm; screening tree vertex coordinates by adopting an improved convex hull algorithm; subtracting the height h of the tree from the z values of all the recorded points to obtain the coordinates of the ground points; dEM elevation data are converted into point coordinates, the point coordinates and the obtained ground point coordinates are placed in the same coordinate system, the coordinates obtained through DEM conversion in the overlapping area are replaced with the obtained point coordinates, plane fitting is carried out, and a topographic map of the forest sheltered area is obtained. The method solves the problem of difficult terrain information acquisition caused by vegetation occlusion in the prior art, has the characteristics of low cost and high efficiency, and is suitable for terrain information acquisition of a large-scale artificial forest area.

The present application relates to the field of remote sensing information extraction, and discloses a tree top point multi-scale iterative extraction method, device, medium and equipment, the method comprising: using at least two windows of different scales to extract the local maximum of the gradient direction map or the canopy height model of the target forest respectively, and determining the repeated points as real tree top points and the remaining points as candidate points, then according to the geometric characteristics between the target forest canopies and combining the gradient direction map, digital terrain model and the like, iteratively screening the real tree top points from the candidate points until a preset iteration end condition is reached. The present application iteratively finds the remaining tree top points from the real tree top points according to the geometric characteristics between the canopies, and deletes the wrong tree top points, thereby effectively suppressing the over-segmentation and under-segmentation phenomenon, and significantly improving the single tree segmentation accuracy.

The present disclosure relates to a computer implemented method for forming a digital surface model of treetops. The method (100) comprises the steps of obtaining (110) at least two images from a flying platform; detecting (130) treetops in each image; determining (140) a treetop position for each matching treetop detected in plurality of said at least two images; and forming (150) the digital surface model based on said at least one determined treetop position.

The invention belongs to the technical field of forestry, and discloses an intelligent smoke and fire alarm device for forestry, which comprises a supporting base and a supporting column, the upper end of the supporting column is provided with a first camera, and the intelligent smoke and fire alarm device also comprises a shooting assembly which is arranged in the supporting base and the supporting column and is used for shooting a fire behavior from a high place; the balloon assembly is installed in the supporting base and the supporting column and used for carrying the shooting assembly to rise to a high position; through cooperation of structures such as the compression balloon and the pan-tilt camera, fire information can be conveniently shot from the air so as to quickly carry out corresponding processing, the compression balloon pulls the fixing rod to move upwards through the connecting rope, and meanwhile, the arc-shaped spring in the fixing rod pushes the fixing rod to be unfolded to form a cross shape, so that the fixing rod is more convenient to use. According to the method, the cloud platform camera at the bottom is kept stable until the cloud platform camera is located at the top of the tree by 10-15 m, specific shooting is conducted on the fire behavior, various fire behavior information is confirmed, then targeted processing is rapidly conducted, and losses are reduced.

The present application relates to a kind of single wood detection method, system and computer equipment, the method comprises: obtaining the point cloud data of target forest area, according to the point cloud data, constructs the digital surface model of target forest area;Based on the elevation information of the digital surface model, using the preset multi-order partial derivative calculation mode, the gradient feature information of target forest area is obtained;According to the gradient feature information, over-segmentation is carried out to crown patch, obtains several over-segmented crown patches;Based on the preset multi-feature similarity weight calculation method, the clustering analysis is carried out to the several over-segmented crown patches, the crown patch belonging to the same single wood is merged, and the single wood detection result is obtained.The method provided in the present application can accurately obtain the crown boundary and tree top point, and the over-segmented crown patches are merged according to the similarity weight value of multi-feature, effectively avoid segmentation error, and improve the single wood detection precision.

The utility model discloses a device for pruning camellia oleifera branches, and relates to the technical field of camellia oleifera fruit pruning equipment.The device for pruning camellia oleifera branches comprises a movable vehicle seat, a telescopic mechanism and a pruning mechanism, a plurality of idler wheels are installed on the movable vehicle seat, and a lifting platform is installed on the top of the movable vehicle seat; the upper end of the lifting platform is movably connected with a mounting arm; the telescopic mechanism comprises a movable table; the pruning mechanism comprises a mounting table, pruning blades driven by a driving motor are mounted at the bottom of the mounting table, top branches of camellia oleifera trees on the two sides can be pruned at the same time through the pruning blades at the tail ends of the two mounting arms on the movable vehicle seat, the camellia oleifera trees are continuously pruned in cooperation with the movable vehicle seat, and the pruning efficiency is improved. The pruning driving efficiency is improved, and the pruning height can be conveniently adjusted through the lifting hydraulic cylinder, so that the pruning effect of the camellia oleifera trees is accurate and uniform.

A universal treetop mount for fixedly coupling a treetop decorative light to the top end of the main body of a tree-shaped decoration includes a mount body whose bottom side has a connecting portion for coupling with the main body of the tree-shaped decoration, and whose top side forms an upper mount surface for coupling with the treetop decorative light. A hollow positioning tube extends upward from a central position on the upper mount surface and is peripherally provided with a position-limiting groove. Blocking units are provided around the position-limiting groove to retain an object received in the position-limiting groove. When the connecting portion, which includes a connecting tube and a clamping unit, is coupled with the main body of the tree-shaped decoration, the connecting tube is coupled with a connected portion at the top end of a main trunk, and the clamping unit is clamped to the connected portion.

The invention relates to a man-made forest water deficit monitoring system and method, and relates to the technical field of forestry monitoring, the man-made forest water deficit monitoring system comprises a plurality of sleeves arranged at the lower end of a tree trunk at each monitoring point in a sleeving mode, and the bottom of each sleeve is provided with a burying fixing frame used for being buried in soil and collecting soil water data; the top of the sleeve is provided with a tree bottom shooting assembly used for collecting images of the bottom of a tree crown. The bottom of the unmanned aerial vehicle is provided with a tree top shooting assembly used for collecting images of the top of a tree crown; a shape-adjustable vertical rod is further fixedly arranged at the top of the sleeve, the top end of the vertical rod extends to the position over the tree trunk and is provided with a mounting cylinder, and a rotating cylinder is arranged at the top of the mounting cylinder. The monitoring device combines an advanced sensing technology, an image acquisition technology and a data analysis algorithm to realize omnibearing and high-precision monitoring of the water deficit of the man-made forest, and the tree bottom shooting assembly can make up for the defects of unmanned aerial vehicle monitoring and provide more comprehensive and accurate data for the water deficit monitoring of the man-made forest.

The utility model discloses a landscape garden maintenance construction device which comprises a moving seat, moving wheels are fixedly connected to the two ends of the two sides of the moving seat, a push rod is fixedly connected to the right side of the moving seat, a storage battery is fixedly connected to the right side of the top of the moving seat, and a bottom plate is arranged at the top of the moving seat. A fixing column is fixedly connected to the top of the bottom plate, and a lifting groove is formed in the left side of the fixing column. Through the arrangement of the blade, the movable seat is moved to the front side of a tree, the cutting cover is located above the tree, the lifting motor is started to drive the screw to rotate, the screw rotates to drive the connecting rod and the cutting cover to move downwards to cover the top end of the tree, then the cutting motor is started to drive the knife rest and the blade to rotate, and redundant branches and leaves of the tree are cut off; branches and leaves at the top ends of the trees are semicircular, pruning and modeling are rapid, the construction efficiency is greatly improved, a user can use the device conveniently, and the practicability of the construction device is improved.

The tree topper stabilizer secures various types and sizes of ornaments to a tree by providing a stable, adjustable platform. It comprises a threaded mounting adapter, an attachment adapter, one or more rod mounts, at least two threaded tabs with gripper leg connectors, and a collar. The gripper legs interlock with the connectors, and the collar tightens around the threaded tabs, causing them to flex inward, securing the gripper legs against the branches. The stabilizer supports ornaments using rods, hooks, or cone attachments, including hollow ornaments that are secured by flexible cone tabs that adjust to various sizes. The attachment adapter is adjustable, enabling different ornament orientations. The stabilizer may include a base, gripping prongs on the collar for improved tightening, and spikes on the gripper legs for added stability. It is suitable for both natural and artificial trees, ensuring secure placement of decorations during display.

The utility model discloses a tree height measuring device which comprises a fixed table, a rotating table, a mounting box and a driving assembly, the bottom of the fixed table is rotatably connected with at least three sets of telescopic rods in the circumferential direction, drill rods are fixedly arranged at the bottoms of the telescopic rods, and the rotating table is rotatably arranged at the top of the fixed table along the axis of the fixed table. The rotating table and the fixed table are connected through a limiting assembly, a mounting plate is fixedly arranged at the top of the rotating table, a rotating shaft penetrates through the side wall of the mounting plate, one end of the mounting box rotationally sleeves the rotating shaft, an infrared distance meter is fixedly mounted at the other end of the mounting box, and infrared rays emitted by the infrared distance meter and the axis of the rotating shaft are coplanar. The driving assembly is arranged at the top of the rotating table and used for driving the mounting box to rotate. Through the arrangement, infrared rays emitted by the infrared detector can be conveniently adjusted to be in the same vertical plane with the tree top of the tree.