CN1806501A

CN1806501A - Marine phytoplankton automatic distinguishing method and apparatus

Info

Publication number: CN1806501A
Application number: CN 200510042345
Authority: CN
Inventors: 周正
Original assignee: XIAMEN HUIYANG TECHNOLOGY Co Ltd
Current assignee: XIAMEN HUIYANG TECHNOLOGY Co Ltd
Priority date: 2005-01-17
Filing date: 2005-01-17
Publication date: 2006-07-26
Anticipated expiration: 2025-01-17
Also published as: CN1806501B

Abstract

An automatic identification method for ocean phytoplankton, comprising following steps: (1) making grape feature of known ocean phytoplankton be corresponding to its description and forming a data base of phytoplankton to store in computer memory in advance; (2) collecting grape feature of identifying phytoplankton with digital microscope and sending into computer; (3) comparing collected grape feature with that of in data base, and outputting description of known phytoplankton when the osculation reach a regulated value. The invention combines digital microscope with computer system to identify ocean phytoplankton automatically, fast and accurately.

Description

Marine phytoplankton automatic distinguishing method and device

Technical field

The present invention relates to recognition methods and the device of marine phytoplankton, specifically be meant the method and the device that utilize digital microscope and computer system that marine phytoplankton is discerned automatically.

Background technology

The phytoplankton classification identifies it is the important content of marine organisms research, the domestic and international at present method that all adopts light microscope manually to identify, promptly artificial geometry, the superficial makings that uses the microscopic examination marine phytoplankton, person's experience or search related data and compare according to the observation again is to judge the classification of phytoplankton to be identified.Obviously, this kind method is very consuming time, and operating efficiency is extremely low, and its accuracy depends on observer's knowledge and experience itself, and general personnel can't carry out.

Marine phytoplankton research has great importance for rationally utilizing marine resources, protection and improving marine environment.The marine phytoplankton classification identifies it is primary, the critical step of the research, basic effect is played in other research, therefore, seek a kind of accurately, high efficiency automatic identifying method, develop a kind of accuracy height, automatic identification equipment that recognition efficiency is high, will have great importance.

Summary of the invention

The invention provides a kind of marine phytoplankton automatic distinguishing method and device, its main purpose is to overcome original employing light microscope and carries out that artificial authentication method not only expends the plenty of time, efficient is extremely low, and its accuracy too relies on observer's knowledge and experience and defective that can not popularization and application.

The present invention adopts following technical scheme: marine phytoplankton automatic distinguishing method, may further comprise the steps: 1) that graphic feature and the description thereof of known marine phytoplankton is corresponding one by one, form a marine phytoplankton database, be stored in advance in the memory of calculator; 2) gather the graphic feature of marine phytoplankton to be identified with digital microscope, and be sent to calculator; 3) utilize calculator that the known marine phytoplankton graphic feature in the marine phytoplankton database in the marine phytoplankton graphic feature to be identified of digital microscope collection and the memory is contrasted one by one, when the identical rate of marine phytoplankton graphic feature to be identified and known marine phytoplankton graphic feature reaches a setting, the description of exporting this known marine phytoplankton.

In the preceding method, the graphic feature of marine phytoplankton comprises its length, width, area, aspect ratio, ovality, symmetry, superficial makings.

Preceding method further comprises: if there is not to reach with the identical rate of marine phytoplankton graphic feature to be identified the graphic feature of described setting in the marine phytoplankton database, graphic feature that then will this marine phytoplankton to be identified is increased in the marine phytoplankton database, and being this marine phytoplankton definition description, correspondence deposits the marine phytoplankton database in.

The marine phytoplankton automatic identification equipment comprises: a digital microscope as image collecting device is connected to a computer system; One computer system comprises: a graphic feature Database Unit is used to store graphic feature and the description thereof of known marine phytoplankton; One graphic feature extraction unit is used for the graphic feature by digital microscope extraction marine phytoplankton to be identified; One image identification unit, the graphic feature that is used for the marine phytoplankton that graphic feature that the graphic feature extraction unit is extracted and graphic feature Database Unit store contrasts one by one, when identical rate reaches a preset value, will be sent to output unit with the corresponding description of this marine phytoplankton; One output unit is used for result's output that image identification unit is sent.

In the aforementioned means, output unit is a PRN device or a display device.

By the above-mentioned description of this invention as can be known; the present invention creatively combines digital microscope and computer system; to be applied to the identification of marine phytoplankton; can be automatic; fast; identify marine phytoplankton exactly; improve recognition efficiency greatly; the artificial degree of participation of this identifying is lower; do not rely on operator's professional experiences; thereby can improve the marine monitoring ability of China and the technical merit of marine eco-environment fast monitored greatly; to protecting and improving marine environment and will play important effect, can be widely used in the marine ecology resource investigation; red tide research; environmental monitoring; aquaculture; the water ballast monitoring; water quality monitoring; geology; oil exploration; little algae cultivation and drug development and legal medical expert such as identify at the field.

Description of drawings

Fig. 1 is system architecture of the present invention and data flow schematic diagram;

Fig. 2 is a flow chart of the present invention.

Specific embodiment

Below in conjunction with Fig. 1 and Fig. 2, describe a specific embodiment of the present invention in detail.

With reference to Fig. 1, be the system construction drawing of marine phytoplankton automatic identification equipment of the present invention, this device comprises a digital microscope 1, one computer system 2 and an output unit 3.

Digital microscope 1 is a prior art, can buy from the existing market, is mainly used in the collection of marine phytoplankton image in this device, and this digital microscope 1 can pass through various standard interfaces, is connected to computer system 2 as USB interface.

Computer system 2 adopts existing common PC to get final product, its CPU, internal memory, hard disk size and interface configuration can be configured as required, and its operating system adopts Microsoft Windows 2000Server Simplified ChineseVersion with Service Pack 4.Output unit 3 is a display or printer, is connected to computer system 2 by standard display interface or standard print interface, can be other output equipment also, is used for showing or printing recognition result.

Graphic feature extraction unit 21, graphic feature Database Unit 22, image identification unit 23 are for being installed on the software on the computer system 2, and the developing instrument that this software adopted is as follows:

The development environment of system adopts Microsoft Visual Studio.NET 2003, develops based on Microsoft WebService technology;

System design aids adopts Microsoft Visio 2003 for Visual Studio;

The system documentation instrument adopts Microsoft Word 2000, Microsoft Excel 2000;

Operating system adopts Microsoft Windows 2000 Server Simplified Chinese Version withService Pack 4, and Microsoft Internet Explore 6.0 or above version are installed, the above version of Microsoft XML3.0 is used for the support of XML;

The source code control tool adopts Microsoft SourceSafe 6;

Microsoft Project 2000 is adopted in project process control;

Testing tool adopts Microsoft Test Center 1.2;

Background data base adopts Mi crosoft SQL server 2000.

Above-mentioned developing instrument is adopted by present embodiment, but is not limited thereto, and in like manner can adopt other developing instrument to develop, even software solidification can be realized in hardware chip.Below in conjunction with Fig. 1, Fig. 2 the course of work of this system is described.

The graphic feature that has known marine phytoplankton in the graphic feature Database Unit 22 in advance, and, the graphic feature of each marine phytoplankton is described corresponding to one, and this description has comprised the relevant information of this kind marine phytoplankton, as title, characteristics, affiliated classification or the like.

Digital microscope 1 collects the image of marine phytoplankton to be identified, be sent to computer system with certain picture format, this picture format can be the general image form, as JPG, TIF etc., 21 pairs of these images of graphic feature extraction unit are analyzed, extract its graphic feature, comprise its length, width, area, aspect ratio, ovality, symmetry, superficial makings or the like, image identification unit 23 compares the graphic feature of extraction and first graphic feature in the graphic feature Database Unit 22, when identical rate during more than or equal to a predetermined value, the then description of exporting these graphic feature correspondences by output unit 3, if the rate of coincideing is less than this predetermined value, then check last graphic feature that whether has contrasted in the graphic feature Database Unit 22, if not, then the graphic feature of extraction and next graphic feature in the graphic feature Database Unit 22 are compared, so constantly circulation, if arrived last graphic feature in the graphic feature Database Unit 22, and still do not find the graphic feature that reaches this predetermined value with the identical rate of the graphic feature of marine phytoplankton to be identified, graphic feature that then will this marine phytoplankton to be identified is increased in the graphic feature Database Unit 22, and the operator can be description of graphic feature definition of this marine phytoplankton to be identified, and import by the input equipment such as the keyboard of computer system 2, computer system 2 should be described correspondence and be deposited in the graphic feature Database Unit 22.

As seen, this system can not only discern marine phytoplankton automatically, also provides inlet for newfound marine phytoplankton joins in the graphic feature Database Unit 22, thereby can make constantly self-perfection of system itself.

Above-mentioned only is a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.

Claims

1, marine phytoplankton automatic distinguishing method may further comprise the steps:

1) graphic feature and the description thereof of known marine phytoplankton is corresponding one by one, form a marine phytoplankton database, be stored in advance in the memory of calculator;

2) gather the graphic feature of marine phytoplankton to be identified with digital microscope, and be sent to calculator;

3) utilize calculator that the known marine phytoplankton graphic feature in the marine phytoplankton database in the marine phytoplankton graphic feature to be identified of digital microscope collection and the memory is contrasted one by one, when the identical rate of marine phytoplankton graphic feature to be identified and known marine phytoplankton graphic feature reaches a setting, the description of exporting this known marine phytoplankton.

2, marine phytoplankton automatic distinguishing method as claimed in claim 1, wherein, the graphic feature of marine phytoplankton comprises its length, width, area, aspect ratio, ovality, symmetry, superficial makings.

3, marine phytoplankton automatic distinguishing method as claimed in claim 1, further comprise: if there is not to reach the graphic feature of described setting in the marine phytoplankton database with the identical rate of marine phytoplankton graphic feature to be identified, graphic feature that then will this marine phytoplankton to be identified is increased in the marine phytoplankton database, and being this marine phytoplankton definition description, correspondence deposits the marine phytoplankton database in.

4, marine phytoplankton automatic identification equipment comprises:

One digital microscope as image collecting device is connected to a computer system;

One computer system comprises: a graphic feature Database Unit is used to store graphic feature and the description thereof of known marine phytoplankton; One graphic feature extraction unit is used for the graphic feature by digital microscope extraction marine phytoplankton to be identified; One image identification unit, the graphic feature that is used for the marine phytoplankton that graphic feature that the graphic feature extraction unit is extracted and graphic feature Database Unit store contrasts one by one, when identical rate reaches a preset value, will be sent to output unit with the corresponding description of this marine phytoplankton;

One output unit is used for result's output that image identification unit is sent.

5, marine phytoplankton automatic identification equipment as claimed in claim 3, wherein, described output unit is a PRN device or a display device.