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Method for measuring bush biomass in real time through mobile phone/tablet personal computer single photo arbitrary shooting

A tablet computer and biomass technology, which is applied in the field of real-time measurement and calculation of shrub biomass with any single photo taken by a mobile phone/tablet computer, can solve the problems of heavy calculation and statistical workload, high cost, low efficiency, etc., and achieve the workload of the office Small size, short measurement period and high efficiency

Inactive Publication Date: 2015-04-29
BEIJING FORESTRY UNIVERSITY
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  • Summary
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AI Technical Summary

Problems solved by technology

[0003] ① Field surveys use manual visual estimation or simple tools to obtain data, with low precision, slow action during actual measurement, and long cycle
[0004] ②In-house data processing is carried out manually, and the workload of calculation and statistics is relatively large, which requires a lot of manual input, high cost and low efficiency
[0005] Therefore, when the traditional survey method of each tree is combined with aerial remote sensing to survey the plot, it will inevitably bring a lot of trouble and the accuracy is not high and the efficiency is low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach

[0015] A method for real-time measurement and calculation of shrub biomass by random photography of a single photo of a mobile phone / tablet computer, which is characterized in that: using an ordinary smart mobile phone or tablet computer with a camera function as a tool, by taking pictures of a fixed shrub sample plot, using an angle gauge to record the participation The shrub book on biomass calculation uses the method of recovering the spatial coordinates of shrubs through photography, calculates factors such as height, width, and canopy height, and calculates the biomass of shrubs in the plot using the regression model of height, width, and canopy height. The specific implementation is as follows:

[0016] 1. Select the shrub sample plot to be measured, install an angle gauge on the mobile phone or tablet computer, take the section coefficient Fg=4, and the corner gauge bayonet 2cm, conduct a circle measurement on the shrub sample plot, and record the parameters that can par...

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Abstract

The invention discloses a method for measuring bush biomass in real time through mobile phone / tablet personal computer single photo arbitrary shooting. According to the method, a common smart phone or a tablet personal computer with the photographing function is used as a tool, the quantity of bushes participating in biomass computation is recorded by shooting a fixed bush sample plot through an angle gauge, and factors of bush height, width, canopy height and the like, are computed through a method for recovering bush space coordinates through photography, and the sample plot bush biomass is computed through a height, width and canopy height regression model. The method greatly improves the bush investigation precision and operating efficiency, and can greatly reduce the cost.

Description

1. Technical field [0001] The invention relates to a method for measuring shrubs in forest resources investigation, in particular to a method for measuring and calculating shrub biomass in real time by taking random photos of a single photo of a mobile phone / tablet computer. 2. Technical background [0002] Traditional shrub biomass survey methods usually use the per tree survey method combined with aerial remote sensing to survey plots to obtain basic tree measurement factors, but the above-mentioned techniques have their obvious shortcomings and deficiencies: [0003] ① Field surveys use manual visual estimation or simple tools to obtain data, with low accuracy, slow action and long cycle during actual measurement. [0004] ②In-house data processing is carried out manually, and the workload of calculation and statistics is relatively large, which requires a lot of manual input, high cost and low efficiency. [0005] Therefore, when the traditional survey method of each tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C11/00
CPCG01C11/00
Inventor 冯仲科王佳
Owner BEIJING FORESTRY UNIVERSITY
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