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278 results about "Disease monitoring" patented technology

Automatic identification method of foliar disease image of greenhouse vegetable

Provided is an automatic identification method of a foliar disease image of a greenhouse vegetable. The automatic identification method of the foliar disease image of the greenhouse vegetable comprises the steps of carrying out image collection on a foliar disease of the greenhouse vegetable, automatically generating a threshold, carrying out estimation by using a two-dimensional maximum entropy principle and combining the average grey degree grade and the intra-neighborhood grey degree grade of an image, optimizing the automatically-generated threshold by using a differential evolution algorithm, using an average value of results obtained through more than 30 times of differential evolution algorithm optimization which is independently carried out to serve as a threshold for image segmentation, carrying out segmentation on the known foliar disease image of the greenhouse vegetable by using the threshold, obtaining an image of the area of a disease speck, analyzing features of the disease speck, obtaining feature parameters such as the color, the texture and the shape of the disease speck of the foliar disease image of the greenhouse vegetable, carrying out fusion on the features of the disease speck, and carrying out disease type feature identification. The automatic identification method of the foliar disease image of the greenhouse vegetable can achieve rapid and effective diagnosis of the foliar diseases in a greenhouse without damage to sick leaves of the greenhouse vegetable, and can be well applied to disease monitoring of the greenhouse vegetable.
Owner:TIANJIN AGRICULTURE COLLEGE

Remote-sensing crop disease identification method based on time phase and spectrum information and habitat condition

InactiveCN105825177ATimely and accurate graspTimely and accurate understandingData processing applicationsCharacter and pattern recognitionDisease monitoringDisease area
The invention discloses a remote-sensing crop disease identification method based on time phase and spectrum information and a habitat condition. Multi-time-phase visible light-near infrared and thermal-infrared remote sensing images in a study area within a monitoring period are obtained and pretreatment is carried out on the images; with the remote sensing images after pretreatment, planting information of target crops is extracted by combining a certain kind of classification algorithm; and according to the visible light-near infrared and thermal-infrared remote sensing images, habitat information of disease monitoring is obtained, a disease area and a disease type of the target crops in the study area are determined by combining the time phase information of the target crops and the obtained habitat information, and severity of the disease is determined by using the spectrum information based on the determined disease area and disease type. According to the technical scheme, the remote sensing diagnosis precision of the crop disease can be improved effectively; and a reverse identification problem of remote sensing crop disease monitoring can be solved to a certain extent.
Owner:XIAN UNIV OF SCI & TECH

Management system and method of intelligent livestock breeding

The invention discloses a management system and method of intelligent livestock breeding. An intelligent fodder feeding module in the system is used for detecting real-time edible condition of materials of livestock in real time and supplying fodders of predicted fodder put volume according to livestock individual growth data, the number of feeders is reduced, the breeding cost is controlled, thescientific nature, standardization and degree of automation of the livestock breeding are improved; an intelligent environment control module collects environmental parameters in a breeding environment, and the livestock breeding environmental parameters are adjusted in the most suitable growth range; a disease monitoring module monitors the disease condition of the livestock to reduce the epidemic situation infection probability of the livestock; a growing prediction module predicts the growth tendency and best slaughter time of the livestock according to the individual growth data; a qualitytraceability module records, stores and inquires the breeding information in the livestock breeding process; and the intelligent management of the livestock breeding is realized together, and the purposes that the number of the feeders is reduced, the breeding period is shortened, the breeding cost is controlled and the livestock breeding is scientific and standard are achieved.
Owner:AGRI INFORMATION INST OF CAS

Multichannel LSTM neural network influenza epidemic situation prediction method based on attention mechanism

The invention provides a multichannel LSTM (Long-short term memory) neural network influenza epidemic situation prediction method based on an attention mechanism, and belongs to the technical field ofepidemic disease monitoring. The multichannel LSTM neural network influenza epidemic situation prediction method comprises the following steps: firstly, carrying out preprocessing, normalization andfeature selection on data in a data set, dividing the selected data into weather-related data and influenza epidemic situation-related data, and generating a training set; then establishing a multichannel LSTM neural network model comprising an attention mechanism; inputting training set data into the model for training, and performing MAPE (mean absolute percentage) evaluation to obtain a trainedmultichannel LSTM neural network model; processing the test data to obtain a test set; inputting the test set data into the trained LSTM neural network model for testing; and finally, performing inverse standardization processing on a test output result to obtain an influenza epidemic situation prediction value. According to the multichannel LSTM neural network influenza epidemic situation prediction method based on an attention mechanism, the problem of low prediction accuracy of the existing influenza epidemic situation prediction technology is solved. The multichannel LSTM neural network influenza epidemic situation prediction method based on an attention mechanism can be used for influenza prediction of different regions.
Owner:DONGGUAN UNIV OF TECH

Crop disease occurrence range monitoring method and system

The invention discloses a crop disease occurrence range monitoring method and system, and relates to the technical field of agricultural monitoring. The method comprises the steps of obtaining crop disease data and meteorological data of a target region within the preset period of time, and building a relation model between a disease occurrence degree and a meteorological factor; obtaining a meteorological factor of the target region at the year to be predicted; obtaining the disease occurrence degree of the target region at the year to be predicted through the relation model; according to the disease occurrence degree, obtaining a remote-sensing image of the target region, conducting preprocessing on the remote-sensing image, extracting the area of crops in the target region, and determining a mapland monitored within the crop disease occurrence range; determining a remote-sensing index SI of crop disease monitoring, and according to the remote-sensing index SI, drawing a map within the mapland monitored within the crop disease occurrence range. According to the crop disease occurrence range monitoring method and system, starting from a disease occurrence mechanism, monitoring and map drawing can be carried out on the suspected disease occurrence region by means of the satellite remote-sensing image and disease spectral features, and the significant decision basis is provided for large-range disease prevention and control management.
Owner:BEIJING RES CENT FOR INFORMATION TECH & AGRI

On-site epidemiology intelligent investigation system

The invention discloses an on-site epidemiology intelligent investigation system. The system is composed of a handheld mobile terminal and a server, wherein the handheld mobile terminal and the server are interconnected via a network; the handheld mobile terminal is a mobile working application carrier, comprises a one-dimensional and two-dimensional code scanning and communication interface and a data line interface, and further comprises the following functional modules: a data display module, a data acquisition module, a graphic image acquisition module, a data local storage module and a wireless communication functional module; and the server comprises an application server, a data server and a file server, and further comprises the following functional modules: an epidemic situation management module, a knowledge base management module, a disease monitoring management module, a system management module and a forum management module. Users can choose to use a PC (Personal Computer) terminal mode or a handheld mobile terminal mode for data acquisition and query works according to site conditions, the data is transmitted in a wire transmission form or wireless transmission form, the use flexibility and compatibility of the system can be ensured, and the system exerts the effects of practical investigation works to the greatest extent.
Owner:杭州市疾病预防控制中心 +1
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