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Device and method for measuring the concentration of marine suspended particles

A technique for measuring the concentration of suspended particles, which is applied in image data processing, measuring devices, image enhancement, etc., can solve the problems of beam attenuation or reflection loss, affecting the accuracy of measurement results, measurement error and other problems, and achieve continuous observation operation , Overcome the principle defects, and improve the effect of research and reference

Active Publication Date: 2020-12-18
OCEAN UNIV OF CHINA
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Problems solved by technology

This optical-based measurement method is easily affected by dissolved substances in seawater, and the attenuation or reflection of the beam will be lost to a certain extent, resulting in certain errors in the measurement results; Substances are more sensitive, and turbidimeters are more sensitive to fine particles, so the uneven distribution of particle sizes in the ocean always affects the accuracy of measurement results; in addition, biological factors also often affect the accuracy of optical measurements, making measurement results There is an error

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  • Device and method for measuring the concentration of marine suspended particles
  • Device and method for measuring the concentration of marine suspended particles
  • Device and method for measuring the concentration of marine suspended particles

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[0057] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0058] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.

[0059] Combine below Figure 1 to Figure 14 The device for measuring the concentration of suspended particulate matter in the ocean based on digital image processing and the processing method according to th...

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Abstract

The invention provides a device and a method for measuring the concentration of marine suspended particles based on digital image processing. According to the invention, based on the principle that seawater and marine suspended particles have different reflectivities to light, by using a digital image processing technology, a set of ocean suspended particulate matter concentration measuring devicebased on a digital image processing technology and an ocean suspended particulate matter image feature value algorithm used for representing the ocean suspended particulate matter concentration are established, and the ocean suspended particulate matter image feature value is extracted through the algorithm. The marine suspended particle image feature value can realize inversion of the real concentration of marine suspended particles. According to the method, a digital image processing technology is tried to be applied to measurement of the concentration of the marine suspended particulate matters, the measurement precision only depends on the shooting precision of a measurement device and the improvement of a subsequent algorithm, and the defect that the measurement precision is easily influenced by the particle size and particle size distribution of the marine suspended particulate matters can be overcome; meanwhile, the method has the advantages of intuition, continuous observation, simplicity and convenience in operation and the like, and has a wide application prospect in ocean investigation.

Description

technical field [0001] The invention belongs to the technical field of marine hydrological observation, and in particular relates to a device and method for measuring the concentration of suspended particulate matter in the ocean based on digital image processing. Background technique [0002] Marine suspended particulate matter generally refers to substances in seawater that cannot pass through the filter membrane, including organic components as biological sources and inorganic components such as suspended sediment. Marine suspended particulate matter has dual ecological effects. On the one hand, it serves as a place for microbial decomposition, releasing inorganic nitrogen and inorganic salts to the water body; The photosynthesis of plants, so the concentration of suspended particulate matter in the ocean affects the primary productivity in the ocean to a certain extent. Moreover, marine suspended particulate matter is an important factor for in-depth understanding of ma...

Claims

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Application Information

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IPC IPC(8): G01N15/06G06T5/00G06T5/30G06T7/00G06T7/13G06T7/136G06T7/155G06T7/187G06T7/194
CPCG01N15/06G06T7/0002G06T7/13G06T7/136G06T7/155G06T7/187G06T7/194G06T5/30G06T2207/10016G06T2207/10024G01N15/075G06T5/90G06T5/70
Inventor 贾永刚陈天王慧孙中强刘金明
Owner OCEAN UNIV OF CHINA
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