3108 results about "Multi parameter" patented technology

A method for brain tumor segmentation in multi-parametric 3D magnetic resonance (MR) images, comprising: determining, for each voxel in the multi-parametric 3D MR image sequence, a probability that the voxel is part of brain tumor; extracting multi-scale structure information of the image; generating multi-scale tumor probability map based on initial tumor probability at voxel level and multi-scale structure information; determining salient tumor region based on multi-scale tumor probability map; obtaining robust initial tumor and non-tumor label based on tumor probability map at voxel level and salient tumor region; and generating a segmented brain tumor image using graph based label information propagation. The present invention is capable of achieving statistical reliable, spatially compact, and robust tumor label initialization, which is helpful to the accurate and reliable tumor segmentation. And the label information propagation framework could partially alleviate the performance degradation caused by image inconsistency between images to be segmented and training images.

Aspects of the of the disclosure relate to a non-contact physiological motion sensor and a monitor device that can incorporate use of the Doppler effect. A continuous wave of electromagnetic radiation can be transmitted toward one or more subjects and the Doppler-shifted received signals can be digitized and/or processed subsequently to extract information related to the cardiopulmonary motion in the one or more subjects. The extracted information can be used, for example, to determine apneic events and/or to provide apnea therapy to subjects when used in conjunction with an apnea therapy device. In addition, methods of use are disclosed for sway cancellation, realization of cessation of breath, integration with multi-parameter patient monitoring systems, providing positive providing patient identification, or any combination thereof.

Methods and apparatus are provided for analysis and correlation of phenotypic and genotypic information for a high throughput sample on a cell by cell basis. Cells are isolated and sequentially analyzed for phenotypic information and genotypic information which is then correlated. Methods for correlating the phenotype-genotype information of a sample population can be performed on a continuous flow sample within a microfluidic channel network or alternatively on a sample preloaded into a nano-well array chip. The methods for performing the phenotype-genotype analysis and correlation are scalable for samples numbering in the hundreds of cells to thousands of cells up to the tens and hundreds of thousand cells.

Aspects of the of the disclosure relate to a non-contact physiological motion sensor and a monitor device that can incorporate use of the Doppler effect. A continuous wave of electromagnetic radiation can be transmitted toward one or more subjects and the Doppler-shifted received signals can be digitized and/or processed subsequently to extract information related to the cardiopulmonary motion in the one or more subjects. The extracted information can be used, for example, to determine apneic events and/or snoring events and/or to provide apnea or snoring therapy to subjects when used in conjunction with an apnea or snoring therapy device. In addition, methods of use are disclosed for sway cancellation, realization of cessation of breath, integration with multi-parameter patient monitoring systems, providing positive providing patient identification, or any combination thereof.

An arrhythmia discrimination device and method involves receiving electrocardiogram signals and non-electrophysiologic signals at subcutaneous locations. Both the electrocardiogram-signals and non-electrophysiologic signals are used to discriminate between normal sinus rhythm and an arrhythmia. An arrhythmia may be detected using electrocardiogram signals, and verified using the non-electrophysiologic signals. A detection window may be initiated in response to receiving the electrocardiogram signal, and used to determine whether the non-electrophysiologic signal is received at a time falling within the detection window. Heart rates may be computed based on both the electrocardiogram signals and non-electrophysiologic signals. The rates may be used to discriminate between normal sinus rhythm and arrhythmia, and used to determining absence of an arrhythmia.

The invention discloses a method for vibration online monitoring and fault diagnosis of a power transformer. The surface vibration of an oil tank of a transformer, the voltage, the current and the oil temperature of the transformer, and the switching values reflecting the on-states of a vibration source fan and the oil tank of the transformer are taken as basic monitoring parameters to be monitored; after signal conditioning is performed on the monitoring parameters, continuous synchronous waveform data sampling, processing and saving are performed; then the processed waveform data are continuously displayed in real time; signal decomposition, multi-parameter correlation analysis and characteristic vector magnitude extraction are performed on the waveform data; and then various characteristic vector thresholds of a specific transformer are compared to analyze and diagnose the operating state and the fault of the transformer. With the method, the operating state of the power transformer can be monitored in real time, and early warning as well as the analysis and the diagnosis of the fault condition of the transformer are provided, thus guaranteeing the secure and stable operation of the transformer.

A method and system for conducting electronic online auctions using multi-parameter price equalization bidding is disclosed. Bids defined in a context of a bidder are transformed into a comparative bid parameter that enables a common basis of comparison for the submitted bids. A transformed bid of a first bidder can also be detransformed into a context of a second bidder, thereby enabling each individual bidder to view a comparison of submitted bids in their own context.

The invention relates to a method for realizing intelligent nursing for the living of old men, which is characterized in that the method comprises an intelligent nursing host as well as a plurality of sensors, a vital sign monitoring device and a push-to-talk device that are in communication with the intelligent nursing host, wherein the intelligent nursing host receives the data of the sensors and the vital sign monitoring device, calculates base lines of all alarm situation parameters through a multi-parameter base line algorithm, compares the base lines and a threshold set in a system, alarms and classifies the comparison result and informs the comparison result to a designated subscriber. According to the method, the activities such as the daily routine, the physical conditions and the emergency as well as the anomalous events of the home-care old men can be monitored, recorded and alarmed, so that relatives and friends or communities or social public resources can give the rescue or intervention for the old men timely, thereby improving the independence of the old men and the living quality of the old men and family members of the old men.

The invention discloses a container logistics real-time monitoring system and a method based on an internet of things and cloud computing. The system and the method can achieve intelligent, automated, networked and real-time monitoring of the logistics. The system comprises a plurality of sets of multi-parameter wireless sensing systems, an intelligent monitoring terminal, a cloud server and a monitoring dispatching centre; each set of multi-parameter wireless sensing systems are arranged in a container, and are connected with the intelligent monitoring terminal; the intelligent monitoring terminal is connected with the cloud server through a mobile communication network; the cloud server is connected with the monitoring dispatching centre; the intelligent monitoring terminal is used for reading sensing information of the multi-parameter wireless sensing systems, transmitting the sensing information to the monitoring dispatching centre through the cloud server by utilizing the mobile communication network, and receiving and displaying prompt information and a dispatching command from the monitoring dispatching centre; and the cloud server is used for integrating and storing the sensing information, and modeling the sensing information and calculating a numerical value, and providing an information interactive service and a decision-making consulting service for the monitoring dispatching centre.

Authenticating an identity of a user claiming to be a genuine-user includes receiving from the user biometric data pertaining to a plurality of biometric parameters. The received biometric data are compared with corresponding authentic biometric data which have previously been obtained from the genuine-user. The user's identity is authenticated if the received biometric data meet qualification criteria when compared with the corresponding authentic biometric data.

The invention relates to a mechanism sealing controllable testing device that includes sealing system, driving system, end face specific pressure loading and servo feed back system, end face attrition torque and end face specific pressure testing system, film thickness testing system, leakage testing system, static loop temperature feedback system, medium temperature and pressure measuring system, experiment medium pressurizing recycling system, data collection and control system. The invention has wide application range, and would be researched under different conditions.

Queues are scheduled for outputting data using a hierarchical tree. Each level of the hierarchical tree includes multiple entries for storing status information associated with the queues. For example, a given entry of the tree stores multi-parameter status information associated with a corresponding queue to be serviced. To determine which of the queues is next in line for servicing, a logic circuit compares the multi-parameter status information stored in two or more entries of the tree. The next scheduled queue or highest priority queue in the tree is then serviced by outputting at least some of its data.

The invention discloses a psychological stress assessment method based on multi-physiological-parameter integration. The method includes: designing a reasonable stimulation program, acquiring four types of electrophysiological signals, namely electrocardiogram signals, electromyographic signals, pulse wave signals and electroencephalogram signals from people suffering psychological stress; extracting affective features of the four types of electrophysiological signals; subjecting the extracted features to feature selection by means of Relief algorithm, genetic algorithm optimization and the like; acquiring related integration functions on the basis of basic probability assignment mass. According to the method, multi-parameter signals are subjected to acquisition, preprocessed, feature selection and psychological stress affective recognition and are integrated; compared to single-parameter classified recognition or multi-parameter data-level or feature-level integration, the method allows data information to be more fully utilized and psychological stress emotions to be more accurately recognized.

A sensor head apparatus is configured to include a plurality of sensor ports each configured to receive and electrically interconnect with a sensor head component. The sensor head is further configured to be connectable to a housing for a multi-parameter monitoring tool assembly, wherein electrical connections are provided between the electronics for the tool assembly and any sensor head component engaged in the sensor head. Each port in the sensor head is configured to receive and engage a sensor head component through application of a linear force on the component.

A recursive algorithm is provided for adaptive multi-parameter regression enhanced with forgetting factors unique to each regressed parameter. Applications of this algorithm can include lead acid batteries, nickel-metal hydride batteries, and lithium-ion batteries, among others. A control algorithm is presented, having an arbitrary number of model parameters, each having its own time-weighting factor. A method to determine optimal values for the time-weighting factors is included, to give greater effect to recently obtained data for the determination of a system's state. A methodology of weighted recursive least squares is employed, wherein the time weighting corresponds to the exponential-forgetting formalism. The derived mathematical result does not involve matrix inversion, and the method is iterative, i.e. each parameter is regressed individually at every time step.

The proposed system and method embodiments allow placing advertisements and searching for items within a network (Internet, intranets, etc.), particularly encompass server advertiser and consumer programs associated with database means, provide for multi-language, multi-currency, multi-items entry, multi-location, geographical-category and catalog-category resolution, multi-parameters setting, and other types of support. The method may include combinations of a normalized category suggestion, user feedback category/listing suggestion, custom-made category creation, and regular keyword search modes for placement and search phases. The user feedback suggestion is provided by the system memorizing previous user-approved linkages between entered keyterms and respective categories or listings, and then proposing them to current users entering similar keyterms. The normalized category suggestion is generated by the system storing records preferably based on a normalized data hierarchy. The custom-made categories may be converted into relational, object-relational, or object-oriented database records. Such modes facilitate placement and search for users of different skills levels.

The present invention provides a system and method for measuring physical, chemical and biological properties of a manufacturing system comprising embedding a plurality of RFID sensors in a plurality of corresponding single use components wherein each of the plurality of RFID sensors is configured to provide multi-parameter measurements for at least one single use component from the plurality of single use components, and each of the plurality of RFID sensors is further configured to provide simultaneous digital identification for the single use component and for its respective RFID sensor and further comprises reading the multi-parameter measurements and the digital identification for the plurality of single use components using at least one RFID writer/reader, processing the measurements using a processor, and controlling subsequent process steps by comparing the measurements of at least one parameter to a predetermined value.

A system for selecting one of a plurality of distributed processing entities that each are arranged to process a data set of user-specified criteria to determine a multi-parameter assessment of that data set is described. The system comprises: receiving means arranged to receive the data set via the Internet from an intermediary acting on behalf of the user; an estimation engine for executing a plurality of estimation algorithms, each algorithm being provided by one of the plurality of processing entities and being arranged to generate an approximation of the corresponding multi-parameter assessment by consideration of a processing-entity selected subset of the data set of user-specified criteria; and a selecting module for selecting of one of the processing entities, the selecting means being arranged to consider the generated approximations and select the processing entity whose approximation maximises one or more performance criteria for the intermediary.

The present invention provides multi-parameter analysis methods for determining the presence or absence of pre-cancerous or cancerous cells in a cervical sample and for screening cervical abnormality in a cervical sample. The invention also provides an apparatus and automated methods for screening cervical abnormality in a sample. The invention further provides a sampling device and a sample collection assembly for collecting cell samples, including cervical samples.

The present invention provides a tool assembly for use in field applications to monitor at least one condition in a well or other hole. The tool assembly may include a computing unit for directing operation of the tool assembly and may be sized to be operable in a hole having a diameter of 1 inch, and in some cases even smaller. In one aspect, the tool assembly is designed to significantly conserve power. Sensor readings may be taken at different schedules to conserve power when frequent readings are not required. Also, internal electronics of the tool assembly can be operated at a low voltage. In one aspect, the tool assembly is assemblable by simple rotatable engagement of the components, with electrical interconnections being made automatically by the rotatable engagement without keying of components. In another aspect, the tool assembly is networkable with other like tool assemblies and monitorable from a central location. In yet another embodiment, the tool assembly may include a tool bundle with a plurality of different sensor capabilities useful as a multi-parameter probe when tool diameter is not a big concern.

The invention relates to a large multifunctional environmental simulator for electrical tests, which comprises an environmental stimulation chamber and is characterized in that an air heat-exchange circulation system and an ice-melting system are arranged in the environmental stimulation chamber; and the environmental stimulation chamber further comprises an ice-coating, rain-exposing and ultrasonic-atomizing system, a water treatment system, a heat-fogging system, a cooling water circulation system, a refrigeration system, a vacuuming and defogging system, a measurement and control system and an ultra-high voltage power supply system for providing a high-voltage charging state for test-pieces. By achieving the skillful coordination among the systems and the uniform operation control by the measurement and control system, the large multifunctional environmental simulator integrates various testing functions of environmental simulations, such as high-altitude, ice-coating, contamination, rain-exposing and other simulations into a whole. Therefore, the invention is widely suitable for the testing process for large multi-parameter environmental simulations.

A multiparameter acoustic signature inspection device and method are described for non-invasive inspection of containers. Dual acoustic signatures discriminate between various fluids and materials for identification of the same.

The invention discloses a multi-parameter identification based secondary system fault diagnosing method for an intelligent substation. The multi-parameter identification based secondary system fault diagnosing method is mainly applicable to digital substation accordant with IEC61850 communication protocol. The method includes: comprehensively analyzing multi-dimensional parameters including various alarm information, telemeasuring data, telecommand states and the like of a process layer, a spacer layer, a station control layer through a network message recording and analyzing device, monitoring states of secondary devices in real time by utilizing original messages as analysis data and utilizing recording of transient state of device exception and long-term monitoring of operation states as means, and realizing fault diagnosis and state monitoring of the secondary system of the intelligent substation. The multi-parameter identification based secondary system fault diagnosing method for the intelligent substation has the advantages in two aspects including that normal states of the secondary device of the intelligent substation can be monitored, background data and maintenance reference are provided for state maintenance; exception states are identified, quick fault diagnosis is realized, effective instruction can be provided for transport maintenance, and convenience in maintenance of the substation is improved.

Handheld medical diagnostic instrument that provides high time-resolution pulse waveforms associated with multiple parameters including blood pressure measurements, blood oxygen saturation levels, electrocardiograph (ECG) measurements, and temperature measurements. The device stores and analyzes the pulse waveforms simultaneously obtained from all tests, and thereby allows an unusually detailed view into the functioning of the user's cardiovascular heart-lung system. The device is designed for use by unskilled or semi-skilled users, thus enabling sophisticated cardiovascular measurements to be obtained in a home environment. Data from the device can be analyzed onboard, with local computerized devices, and with remote server based systems. The remote server may be configured to analyze this data according to various algorithms chosen by the physician to be most appropriate to that patient's particular medical condition (e.g. COPD patient algorithms). The server may be further configured to automatically provide alerts and drug recommendations.