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96 results about "Abnormal results" patented technology

A: Abnormal results on a stress test may indicate abnormal heart rhythms during exercise or a potential blockage in the arteries that can lead to coronary artery disease, according to MedlinePlus. An abnormal stress test typically results in a physician ordering additional medical tests to check the heart's functions.

Automatic electrocardiogram recognition system

The invention discloses an automatic electrocardiogram recognition system. The system comprises an electrocardiogram acquisition device, a wireless/wired network transmission module, an electrocardiogram collection and time domain feature recognizer, an electrocardiogram dominant wave interphase recognizer, an electrocardiogram QRS wave group similarity recognizer and an electrocardiogram queuing recognizer, the electrocardiogram acquisition device inputs acquired data to the electrocardiogram collection and time domain feature recognizer via the transmission module, the electrocardiogram collection and time domain feature recognizer recognizes to obtain positions of peak points of P waves, QRS waves and T waves on a 12-lead, the electrocardiogram dominant wave interphase recognizer recognizes heart rate to obtain normal and abnormal results of the heart rate, the electrocardiogram QRS wave group similarity recognizer recognizes whether an electrocardiogram probably has premature beat or not, and the electrocardiogram queuing recognizer sequences and outputs. The system performs real-time computer-aided analysis of clinically acquired 12-lead electrocardiograms to automatically recognize arrhythmia and premature beat electrocardiograms, and accordingly efficiency of electrocardiogram analysis is improved while a priority processing means is provided for emergency electrocardiograms.
Owner:EAST CHINA NORMAL UNIV

Industrial control system anomaly detection method based on dual-contour model

The invention relates to an industrial control system anomaly detection method based on a dual-contour model. Involved industrial control network equipment comprises a security gateway, a programmable logic controller (PLC), onsite sensor equipment, a security management platform, and an engineer station. The method comprises the following steps of S1, the engineer station configures and operates a system, the PLC of each region discriminates controlled equipment connected to an IP module of the PLC, an information list is distributed to the controlled equipment, and a periodic communication mode is formed for master and slave stations; S2, the PLC timely feeds back data information to the security gateway, a data packet deep analysis system of the security gateway extracts data features and eliminates superfluous attribute features, and only features related to a system behavior mode are left, wherein the features related to the system behavior mode comprises protocol features, data packet transmission direction features and register value variation rules based on the communication frequency; and S3, an anomaly detection subsystem carries out anomaly detection and sends an alarm to the security management platform for an abnormal result.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Utility tunnel inspection system based on robot and interactive system

The invention provides a utility tunnel inspection system based on a robot and an interactive system. The utility tunnel inspection system based on the robot comprises a remote infrared monitoring anddiagnosis module, a remote image monitoring and diagnosis module, a remote sound monitoring and diagnosis module, a navigation positioning and motion control module, and a database. The remote infrared monitoring and diagnosis module is used for detecting the temperature of equipment in a utility tunnel, and sending equipment information exceeding an alarm value to the database after judgement ismade; the remote image monitoring and diagnosis module is used for collecting images of the equipment and moving bodies in the utility tunnel, analyzing the images and sending abnormal results to thedatabase; the remote sound monitoring and diagnosis module is used for collecting noise of electrical equipment in the utility tunnel, analyzing the noise and sending the noise to the database; and the navigation positioning and motion control module is used for obtaining the operating path of the robot. According to the utility tunnel inspection system, known targets and unknown targets can be detected through surrounding environment information obtained through sensors and treatment on the environment information, and treatment results are displayed on a system interface.
Owner:史聪灵

Medical expense information processing method

The invention relates to a medical expense information processing method. The method is characterized by comprising the steps of receiving medical information; judging whether the medical information conforms to a case classification standard or not, if so, querying a first expense information threshold range corresponding to a first case category to which the medical information conforms, judging whether the medical information conforms to rational drug use regulations or not, if so, extracting medical expense information from the medical information, judging whether the medical expense information is contained in the first expense information threshold range or not, if not, outputting abnormal result information; if the medical information does not conform to the rational drug use regulations, outputting abnormal result information; if the medical information does not conform to the case classification standard, bringing the medical information into a new second disease category, and setting a second expense information threshold range for the second disease category; and extracting medical expense information from the medical information, judging whether the medical expense information is contained in the second expense information threshold range or not, and if not, outputting abnormal result information.
Owner:杭州逸曜信息技术有限公司

Intelligent equipment inspection method for large hydropower station

The invention discloses an equipment intelligent inspection method for a large hydropower station, and the method comprises the following steps: 1, determining the inspection content according to theequipment characteristics of the large hydropower station; 2, determining adopted inspection equipment; 3, determining an inspection route of each inspection robot, and determining an installation position and an acquisition content; step 4, centrally uploading the data to a background server; 5, enabling the background system to perform image recognition on the images and the video streams; performing temperature identification on the infrared thermogram; carrying out characteristic quantity analysis on the sound; 6, automatically judging whether the inspection equipment is normal or not; 7,enabling the background server to send the abnormal result to the mobile phone of the user in a short message mode and give an alarm for reminding; and step 8, automatically generating an inspection report. Compared with the prior art, the visible light camera, the infrared thermal imaging, the inspection robot, the sound acquisition instrument and other devices are adopted to replace manual inspection, so that the inspection efficiency is effectively improved, and the working intensity of personnel is reduced.
Owner:国能大渡河瀑布沟发电有限公司

Real-time human face attitude estimation method based on depth video streaming

The invention discloses a real-time human face attitude estimation method based on depth video streaming. The real-time human face attitude estimation method comprises two stages of sampling and training and estimating in real time. The sampling and training stage comprises the following steps of obtaining filed depth images of all human face angles; then conducting random sampling on the filed depth images of all angles and obtaining a training sample set; and using a supervised learning method to conduct training, and obtaining a classifier. The real-time estimation stage comprises the following steps of firstly extracting real-time human face filed depth images in the depth video streaming output by collection equipment and converting the real-time human face filed depth images into integral images; conducting random slice sampling on the integral images, utilizing the classifier obtained by training to conduct classification on samples, and obtaining a plurality of estimation results; and removing abnormal results for the results and conducting weighted average, and obtaining final human face attitude results. The real-time human face attitude estimation method based on the depth video streaming avoids influences of factors like illumination on the final results, and is good in instantaneity and precision.
Owner:SOUTHEAST UNIV
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