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A Method for Analyzing Crown Shape Images of Cupressaceae Plants

A technology of image analysis and crown shape, which is applied in the field of image analysis of Cupressaceae plant crown shape, to achieve the effect of reducing field workload, improving labor productivity, and improving efficiency

Active Publication Date: 2019-03-22
SHANDONG FOREST SCI RES INST
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  • Description
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  • Application Information

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Problems solved by technology

[0004] Aiming at the cumbersomeness and insufficiency of manual measurement of digital images, the present invention provides a method for analyzing crown shape images of Cupressaceae plants, which can automatically measure crown shape parameters using digital images, so as to distinguish the health status of trees, suitable nutrient area and stand density

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  • A Method for Analyzing Crown Shape Images of Cupressaceae Plants
  • A Method for Analyzing Crown Shape Images of Cupressaceae Plants
  • A Method for Analyzing Crown Shape Images of Cupressaceae Plants

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Embodiment Construction

[0060] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily limiting the...

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Abstract

The invention discloses a cupressaceae plant crown image analysis method. The method comprises the following steps: 1, obtaining an image of a target tree crown; 2, performing target tree crown image processing; 3, performing effective area analysis of the target image; 4, determining a tree base in the target image; 5, calculating a crown coefficient; 6, calculating a crown exponent; 7, outputting a binary effective area image, and drawing crown width and tree height line segments; and 8, calculating a suitable nutrition area and density. According to the invention, rapid automatic analysis of a tree crown image is realized, and the crown exponent, the crown coefficient and the suitable stand density corresponding to different height classes are calculated. Compared to a conventional tree crown observation and analysis method, the method provided by the invention has the following advantages: an automatic analysis technology is employed, the labor productivity is greatly improved, the field workload of research personnel is reduced, the tree crown analysis efficiency is improved, and a foundation is laid for development of future tree crown automatic analysis special-purpose equipment.

Description

technical field [0001] The invention relates to the technical field of plant image analysis, in particular to a crown image analysis method of Cupressaceae plants. Background technique [0002] The canopy is the most important part of the photosynthetic organ of the tree. The size and shape of the canopy is one of the biological and ecological characteristics of the tree, and it also directly reflects the growth and health of the tree (Wang Fei et al., 2015). It is largely influenced and restricted by the surrounding environment. Forest cultivation as the primary productive force, its basic function is photosynthesis, fix CO 2 , Improve the ecological environment while producing biological products. Therefore, it needs a suitable space environment to meet its needs for light and water and fertilizer resources, that is to say, it needs a suitable nutrient space or area as a platform for its function realization. The ability to meet this demand varies with site conditions, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/60G06T7/62
CPCG06T7/60G06T2207/10024G06T2207/30188
Inventor 王斐宋磊吴德军王静
Owner SHANDONG FOREST SCI RES INST
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