1472 results about "Calculator" patented technology

A medical image processing device of an embodiment includes first and second image acquirers, a generator, and a calculator. The first image acquirer acquires a first fluoroscopic image of a patient. The second image acquirer acquires a second fluoroscopic image according to radiation of the patient at a time point different from that of acquisition of the first image using a detector. The generator generates a reconstructed image by reproducing the second image from the first image virtually arranged in a three-dimensional space on the basis of a position of the detector in the three-dimensional space. The calculator obtains a suitable position on the first image in the three-dimensional space on the basis of a degree of similarity between the second image and the reconstructed image. The generator generates the reconstructed image for use in the calculator and has a range larger than a range corresponding to the second image.

The invention provides a multi-scale self-adaptive cooperative network construction type energy storage frequency modulation control system and method, and the system comprises a constant-voltage energy storage power supply which is used for providing DC electric energy; the three-phase inverter circuit is used for converting the direct-current electric energy into alternating-current electric energy and outputting the alternating-current electric energy to a power grid or absorbing the electric energy; the power calculator is used for calculating active power and reactive power output to the power grid by the three-phase inverter circuit; the battery SOH dynamic evaluation controller is used for outputting an SOH attenuation rate signal; the active loop controller is used for generating multi-scale adaptive frequency modulation data and sending the multi-scale adaptive frequency modulation data to the pulse adjustment controller; the reactive power ring controller is used for generating reactive power regulation data according to the power grid voltage deviation signal and sending the reactive power regulation data to the pulse regulation controller; and the pulse regulation controller is used for outputting a final pulse regulation instruction and a multi-scale cooperative control command to the three-phase inverter circuit. The oscillation risk is reduced, and long-term stable operation of the power system is guaranteed.

A display device includes a pixel emitting light based on input image data, an age data calculator configured to generate age data of a light emitting element included in the pixel in consideration of a power voltage supplied to the pixel, and a compensator configured to output age compensation data by determining a grayscale compensation value corresponding to an input grayscale of the input image data, based on the age data, and applying the grayscale compensation value to the input image data.

The invention belongs to the field of safety technology monitoring, and particularly relates to an electrical cabinet safety monitoring method and system. The temperature, the voltage and the current of the electrical cabinet are monitored in real time through the sensors, and data are transmitted to the information management system in the computer through the base station to be processed. An information processing system is arranged in the information management system, the information processing system has a preliminary fault judgment capability through an expert system, a model of the information processing system is trained through data transmitted by a sensor, and data belonging to faults complements the information processing system to serve as historical monitoring data. The real-time monitoring data is compared with historical monitoring data in a database so as to judge whether the electrical cabinet breaks down or not, and if the electrical cabinet breaks down, a buzzer of the calculator gives an alarm. In the practical application, the electrical cabinet is monitored in real time through the sensor, a worker is reminded of the failure of the electrical cabinet through the buzzer, the worker does not need to go to the electrical cabinet site to inspect, and manpower is greatly saved.

The invention provides a liver blood flow and anesthesia depth combined monitoring system in a liver operation. The liver blood flow and anesthesia depth combined monitoring system comprises seven modules including a multi-source data collector, a signal preprocessor, a physiological coupling model calculator, an operation recognizer, a brain-liver information flow analyzer, a risk prediction early warning device and a clinical decision assist device. According to the system, liver blood flow parameters and anesthesia depth parameters are collected and analyzed in real time, a dynamic coupling relation model between the liver blood flow parameters and the anesthesia depth parameters is established, and in combination with automatic recognition of surgical operation and quantitative analysis of brain-liver information flow, early prediction and early warning of surgical risks are achieved, and individualized clinical decision support is provided.

A preview road surface detector capable of discontinuing predictive control is provided, which suppresses the energy consumption required to determine whether predictive control should be discontinued. The preview road surface detector includes: a distance sensor provided on a vehicle body member, the distance sensor detecting a value related to a distance between the vehicle body member and a measurement point on a road surface ahead of a vehicle, the measurement point corresponding to at least part of a road surface contact portion of a wheel; and a distance calculator that calculates a road surface distance as the distance from the vehicle body member to the measurement point, based on a detection value detected by the distance sensor, in which the distance sensor is deactivated under a predetermined condition.

A control device includes a modulation rate calculator configured to calculate a modulation rate based on a DC voltage on a DC side an, a limiter configured to update a DC voltage command lower bound limiter based on the lower bound limiter operation value; a maximum power point tracking controller configured to calculate a first DC voltage command value and determine a second DC voltage command value based on the calculated first DC voltage command value and the DC voltage command lower bound limiter set to the limiter, and an inverter controller configured to control an inverter of the power conversion system based on the second DC voltage command value.

A cargo handling control device of a forklift truck including a lift cylinder, and a tilt cylinder. The cargo handling control device includes an approach distance detector, an insertion controller, an insertion amount calculator, a pre-insertion determination unit, a first fork operation controller, and a second fork operation controller. The first fork operation controller causes the fork to move up and down toward a center of the pallet in a height direction of the pallet in a case where the tip portion of the fork is determined to be in the pre-insertion state. The second fork operation controller causes the fork to tilt to be positioned along an inner wall surface of an upper wall or a lower wall of the pallet and the fork to move up and down in the case where the tip portion of the fork is determined to be in a post-insertion state.

The invention discloses an efficient lattice cryptographic analysis system and method based on dynamic chaos control and quantum noise resistance. The efficient lattice cryptographic analysis system comprises a chaos control module, a mixed precision projection module, a quantum noise resistance module, a distributed architecture, a dimension compression calculator, a distributed task scheduler, a parallel execution unit, a load balancer and a result verifier. According to the efficient lattice cryptographic analysis system and method based on dynamic chaos control and quantum noise resistance, the calculation efficiency, quantum resistance and hardware adaptability of lattice cryptographic analysis are remarkably improved, and the system and method are suitable for financial audit, Internet of Things authentication, block chain security and other high-dimensional lattice reduction and quantum attack defense scenes.

The invention discloses a fund routing system, method and device based on a multi-dimensional rule engine, and belongs to the technical field of internet finance. The system comprises an access layer, a rule engine layer, a distribution decision layer, a data service layer and a monitoring and optimizing layer. The access layer uniformly manages API docking; the rule engine layer comprises a front screen, a white list strategy engine and a dynamic weight calculator; the distribution decision-making layer supports a plurality of distribution modes; the data service layer comprises a machine learning model library; and the monitoring and optimization layer automatically adjusts and optimizes rules through reinforcement learning. The method comprises the steps of multi-dimensional verification, white list auditing, weight calculation, distribution mode selection and the like. The device comprises a hardware layer, a software layer and an interaction layer. According to the invention, the rule flexibility, the distribution efficiency and the risk control capability are improved, and the distribution time is shortened.

The invention belongs to the technical field of inverters, and provides a three-level quasi-fixed-frequency hysteresis comparison inverter and a control method thereof, and the inverter comprises an inverter bridge, a filter inductor and a current transformer which are connected in sequence. Wherein the inverter bridge is arranged between the upper direct-current bus and the lower direct-current bus and adopts a three-phase bridge type structure, each phase bridge type structure at least comprises four power switch tubes and two diodes, a first voltage stabilizing capacitor is arranged between the upper direct-current bus and the midpoint of the inverter bridge, and a second voltage stabilizing capacitor is arranged between the lower direct-current bus and the midpoint of the inverter bridge. A second voltage stabilizing capacitor is arranged between the lower direct current bus and the midpoint of the inverter bridge; a driving unit, a driving control unit, a phase change ring width hysteresis comparator and a ring width calculator which correspond to each phase of bridge type structure are arranged between the inverter bridge and the current transformer, and an inverter output voltage detection unit is arranged between the ring width calculator and the filter inductor. And an inverter output current detection unit is arranged between the phase change ring width hysteresis comparator and the current transformer.

An optical compensation device includes a first optical measurer which measures first optical information of a first area of a display device and second optical information of a second area of the display device next to the first area, a target calculator which calculates first target optical information by compensating the second optical information based on an offset lookup table including an offset related to a difference between the first area and the second area, and a gamma determiner which determines a first reference gamma voltage for the first area such that a difference between the first optical information and the first target optical information is within a reference range.

An object determination apparatus includes: a calculator that calculates a difference in time of flight of a plurality of ultrasonic waves reflected by an object and received by a plurality of sonar apparatuses, or a difference in distance corresponding to the time of flight; and a determiner that determines a type of the object based on the difference.

An image forming apparatus 1 capable of loading a plurality of ink containers 31 containing ink of the same color includes: a plurality of container loaders 32 capable of removably loading the respective ink containers 31; a total remaining amount calculator 101 that calculates a total remaining amount of ink of the same color based on respective remaining amounts of ink in the ink containers 31 loaded in the container loaders 32; and a remaining amount condition determiner 102 that determines whether or not a remaining amount alert condition has occurred in which the total remaining amount of ink has reduced to a predetermined lower limit.

Disclosed herein are apparatuses and methods that can provide a delayed bolus calculator for use in closed loop diabetes therapy that can account for additional factors not taken into account in regular meal bolus calculations when a user wants to deliver a meal bolus a period of time after a meal was consumed. A delayed bolus calculator can enable the user to enter a period of time since the meal was consumed in addition to the number of carbohydrates consumed in a meal. This enables the system to account for the amount of increased insulin from the closed loop algorithm in response to the meal and / or the time since the meal to ensure that the risk of hypoglycemia is mitigated while still reducing hyperglycemia.

Methods and apparatus to control agricultural product application rates are disclosed. An example system to control agricultural product application rates includes a field area processor to determine an area of a field to be covered, and an application rate processor including an end product processor to determine an amount of product to be utilized during an application session, the amount of product to be utilized based on an amount of product on a vehicle and a final product amount, and an application rate calculator to determine a first application rate to be implemented by an applicator based on the amount of product to be utilized and the area of the field to be covered.

Apparatus for retrieving an acoustic room information from a database, comprising: a test fingerprint processor (10) for deriving a test fingerprint from a test acoustic room information; and a database processor (20) for retrieving a reference acoustic room information having a reference fingerprint matching with the test fingerprint, wherein the test fingerprint processor (10) comprises; a filter bank configured for decomposing the test acoustic room information into a plurality of acoustic room information sub-bands; and a parameter calculator (12) configured for calculating a sub-band parameter for each acoustic room information sub-band of the plurality of acoustic room information sub-bands, the sub-band parameter indicating an energy change over time in the acoustic room information sub-band, wherein the test fingerprint is based on the sub-band parameters for the acoustic room information sub-bands.

In described examples, an integrated circuit (IC) includes a comparator, a shift calculator, an aligner, a compressor, and an adder. The comparator determines a largest one of multiple exponents. The shift calculator subtract the exponents from the determined largest exponent to provide a set of shift values. The aligner shifts a subset of a set of data values in a least significant bit direction responsive to respective ones of the shift values to generate a first number of aligned data values. The compressor generates a second number of compressed data values responsive to the first number of aligned data values. The second number is less than the first number. An adder sums the compressed data values.

The vehicular state estimation apparatus includes: a physical quantity detector configured to detect a physical quantity indicating behavior by the vehicle; a vehicle behavior estimator configured to estimate current behavior by the vehicle; a distance sensor that is configured to detect a value pertaining to a distance between the vehicle body member and a measurement point on a road surface in front of the vehicle and corresponding to at least a central section of a road surface contact section on a wheel; a distance calculator configured to calculate a road surface distance; a spring constant calculator configured to calculate at least one of spring constants, in a vehicle stopped state; and a suspension controller configured to control operation of the active suspension apparatus based on the spring constants, the road surface distance, and vehicle behavior information.

A power conversion device includes: a DC / DC converter; and a control circuit unit that controls the DC / DC converter, in which the DC / DC converter includes a first power output circuit that converts first direct current power into first alternating current power, an isolation transformer that converts the first alternating current power into second alternating current power, and one or a plurality of second power output circuits, each of which converts the second alternating current power into second direct current power, and the control circuit unit includes a resonance characteristic calculator that calculates a resonance characteristic of the second power output circuits based on a load for each of the second power output circuits to output the second direct current power, and determines a drive frequency of the first power output circuit based on an output request value of the second power output circuit and the resonance characteristic that is calculated.

A radar performance analysis calculator system is provided. The system includes a server computer device including at least one processor in communication with at least one memory device. The at least one processor is programmed to receive information about a radar device to be analyzed, retrieve a plurality of parameters associated with the received information, receive a geographic location for the radar device, retrieve geographic data about a geographic region associated with the geographic location for the radar device, and compute one or more measures of performance for the radar device based on the plurality of parameters and the geographic data.

Provided is a parking assistance device including a captured image acquisition unit imaging a road surface around a vehicle and an end detector detecting an end of a ground object on the road surface within a detection area in the captured image. A position calculator calculates position information indicating a positional relationship of the end of the ground object. A boundary line determiner determines whether or not a ground object having the end is a boundary line that defines a parking slot for the vehicle. A removal unit determines whether or not a rear end of a ground object determined as the boundary line by the boundary line determination unit is included in a removal range, determines that a ground object determined as the boundary line is not the boundary line when the rear end is included in the removal range, and excludes the ground object from boundary lines.

A display video correction device includes: a feature extractor that extracts a feature from a camera image obtained from an in-vehicle camera; a Hough transformer that performs Hough transform on the feature extracted; a straight line detector that detects a plurality of straight lines in the camera image, based on a transform result of the Hough transform performed; a vanishing point calculator that calculates, based on the plurality of straight lines detected, first coordinates indicating coordinates of a vanishing point in the camera image; a difference calculator that calculates a difference between the first coordinates calculated and predetermined second coordinates; and a position corrector that corrects, based on the difference calculated, a position of a display area in the camera image to be displayed on a display device.

Disclosed is a neural network computing device. The neural network computing device includes a neural network accelerator including an analog MAC, a controller controlling the neural network accelerator in one of a first mode and a second mode, and a calibrator that calibrating a gain and a DC offset of the analog MAC. The calibrator includes a memory storing weight data, calibration weight data, and calibration input data, a gain and offset calculator reading the calibration weight data and the calibration input data from the memory, inputting the calibration weight data and the calibration input data to the analog MAC, receiving calibration output data from the analog MAC, and calculating the gain and the DC offset of the analog MAC, and an on-device quantizer reading the weight data, receiving the gain and the DC offset, generating quantized weight data, based on the gain and the DC offset.

The disclosure herein provides systems, methods, and devices for identifying and presenting identifications of significant attributes of unique items. A significant attributes system for identifying and presenting identifications of significant attributes of unique items comprises an item analysis engine, at least one driver models database, and a model building engine, wherein the item analysis engine comprises an item description receiver and one or more driver calculators.

The invention discloses a cultivated land ecological safety comprehensive evaluation method and system based on multi-model coupling. The method comprises the steps that a future multi-source data set of cultivated land to be evaluated in a future time period is set; performing grid division on the cultivated land to be evaluated by adopting a grid calculator in ArcGIS software to obtain a plurality of grid regions, and performing grid division on the future multi-source data set based on the plurality of grid regions to obtain a future multi-source sub-data set of each grid region; and predicting the future multi-source sub-data set of each grid region by adopting the constructed multi-ecological safety comprehensive evaluation function model, the spatial classification method and the constructed ecological safety comprehensive evaluation index calculation formula to obtain an ecological safety comprehensive evaluation index corresponding to each grid region. According to the method, the ecological function of the to-be-evaluated cultivated land in the future scene is simulated by coupling the multi-ecological safety comprehensive evaluation function quantity model, so that systematic evaluation on the cultivated land ecological function of the to-be-evaluated cultivated land in the future scene is realized.

Right decisions can only be made via understanding future trends. For example, energy consumption prediction is the basis of all Energy Management Systems (EMS). Any EMS decision-making must rely on the energy consumption prediction value for subsequent power grid planning or factory management. These prediction values play decisive roles in planning and management. A virtual metrology method based on a long sequence time-series prediction framework develops the Automatic Virtual Metrology (AVM) which can provide accurate predictive future trends to increase decision-making accuracy (such as production scheduling or facility control). The built-in period calculator module is used to automatically find out a best memorizing length, a best forecasting length and a best full-periodic pattern length for the long sequence time-series prediction framework. The procedure of advanced dual-phase algorithm is enhanced to achieve self-updating with time for the AVM based on the long sequence time-series prediction framework.

Provided herein is an electronic device and a method of image processing. An electronic device may include an image sensor configured to obtain image data including color pixel values and texture pixel values using color pixels and texture pixels, a resolution converter configured to generate two or more images having different sizes based on the image data, a parameter calculator configured to acquire two or more parametric images, respectively corresponding to the two or more images, using converted color pixel values and converted texture pixel values that are included in each of the two or more images, a parameter synthesizer configured to acquire a synthesized parametric image by synthesizing the two or more parametric images, and an image acquirer configured to acquire an output image based on the synthesized parametric image and the texture pixel values included in the image data.

The invention provides a computing power center computing power scheduling method based on a multi-dimensional weight algorithm and a storage medium, and the scheduling method comprises the following steps: S1, obtaining a submitted task of a user through a scheduling portal, forwarding the task to a scheduling management service, and obtaining metadata information such as a resource demand, a priority and deadline of the task by the scheduling management service; s2, the resource management service system obtains the newest NodeMetric of each computing node through a unified monitoring service, task types are divided according to the task resource demand characteristics, and the NodeMetric is a node real-time index; and S3, the scheduling management service system generates Wfinal according to a multi-dimensional index based on the task type through a weight calculator, and sorts the candidate nodes from high to low according to the Wfinal.

A memory device includes a syndrome calculator configured to generate an error location signal based on first data and an error correction code; an error corrector configured to generate second data by correcting an error in the first data according to the error location signal; and a data mask (DM) calculation circuit configured to generate a DM signal according to logic high bits of the first data and change a logic level of the DM signal according to at least one of an increase signal and a decrease signal, by activating the increase signal when an error bit is detected in logic low bits of the first data and activating the decrease signal when the error bit is detected in the logic high bits of the first data, based on the error location signal.