Method and system for measuring single fruit tree yield
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A fruit tree and yield technology, applied in the field of intelligent measurement of fruit tree yield, to achieve the effect of ensuring processing efficiency and accuracy, and non-destructive measurement
Active Publication Date: 2013-05-08
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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Therefore, the above methods cannot accurately measure the output of a single fruit tree.
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Embodiment 1
[0063] The embodiment of the present invention provides the method for fruit tree single tree yield measurement, and the step process is as follows figure 1 As shown, it specifically includes the following steps:
[0064] Step A: Obtain 3D point cloud data of fruit trees, and preprocess the 3D point cloud data to obtain 3D point cloud data set D of fruit trees.
[0065] Use a large laser 3D scanner to directly obtain 3D point cloud data of fruit trees from the field, and perform preprocessing such as noise point removal on the obtained 3D point cloud data. The steps are as follows: figure 2 As shown, it specifically includes the following steps:
[0066] Step A1: Obtain 3D point cloud data from different angles for fruit trees in the state of fruit, and compose the original data set of 3D point cloud of fruit trees, in which the 3D point cloud data contains color information.
[0067] In the orchard, use a laser 3D scanner (such as FARO focus3D120) to perform 3D scanning on...
Embodiment 2
[0090] In order to achieve the above object, the second embodiment of the present invention also provides a system for fruit tree single tree yield measurement, the composition schematic diagram is as follows Figure 5 shown, including:
[0091] Preprocessing module 510, three-dimensional point cloud data segmentation module 520, fruit counting module 530, fruit radius calculation module 540 and fruit tree yield calculation module 550.
[0092] The preprocessing module 510 is configured to acquire 3D point cloud data of fruit trees, and perform preprocessing on the 3D point cloud data to obtain a 3D point cloud data set D of fruit trees.
[0093] The preprocessing module 510 specifically includes: an original data set acquisition module 511 , a preliminary elimination module 512 and a secondary elimination module 513 .
[0094] The original data set acquisition module 511 is used to acquire 3D point cloud data from different angles for the fruit trees in the state of fruit, a...
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Abstract
The invention discloses a method and a system for measuring a single fruit tree yield. Three-dimensional point cloud data of a fruit tree are obtained and are pre-processed to obtain a three-dimensional point cloud data set of the fruit tree; the three-dimensional point cloud data set of the fruit tree is divided to obtain a fruit three-dimensional point cloud data set which only comprises fruit information; statistics is carried on the fruit three-dimensional point cloud data set to obtain N fruit three-dimensional point cloud data subsets and the number of fruits N; the fruit radius of each corresponding fruit is calculated according to the fruit three-dimensional point cloud data subsets to obtain a fruit radius digit group; fruit weight corresponding to each fruit radius in the fruit radius digit group is calculated one by one according to basic parameters of a relation model of fruit radius and fruit weight, and the yield of the whole fruit tree is calculated through accumulation. The method and the system for measuring the single fruit tree yield are capable of measuring the single fruit tree yield accurately, quickly and harmlessly.
Description
technical field [0001] The invention relates to the field of intelligent measurement of fruit tree yield, in particular to a method and system for measuring the yield of a single fruit tree. Background technique [0002] The measurement of fruit tree yield has important application requirements in agricultural production management and agronomic research. Traditionally, most of the non-destructive and accurate measurement of fruit tree yield is the method of manually counting the number of fruits and estimating the total yield of a single fruit tree. It has been counted, so the method of manually counting the number of fruits is easy to cause large errors. [0003] In recent years, with the rapid development of information technology, especially the maturity of machine vision, acoustic detection, laser measurement and other technologies, a new way has been provided for the intelligent measurement of fruit tree yield. [0004] A real-time citrus production measurement syste...
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Patent Type & Authority Applications(China)
IPC IPC(8): G01G19/40G01G19/42G01B11/00G01B11/08
Inventor 赵春江陆声链郭新宇王传宇温维亮
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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