518results about How to "Low accuracy" patented technology

The present invention provides a speech recognition system combined with one or more alternate input modalities to ensure efficient and accurate text input. The speech recognition system achieves less than perfect accuracy due to limited processing power, environmental noise, and/or natural variations in speaking style. The alternate input modalities use disambiguation or recognition engines to compensate for reduced keyboards, sloppy input, and/or natural variations in writing style. The ambiguity remaining in the speech recognition process is mostly orthogonal to the ambiguity inherent in the alternate input modality, such that the combination of the two modalities resolves the recognition errors efficiently and accurately. The invention is especially well suited for mobile devices with limited space for keyboards or touch-screen input.

A novel mechanism for performing policy aware frame loss measurements that overcomes the problems of the prior art. The mechanism permits OAM frames to travel through the network in the same way data frames travel marked as green or yellow. The frame loss measurement is policy aware (i.e. SLA aware), taking CIR and EIR policy as well as policy in the middle of the network into consideration. In one embodiment, the value of the policer at the ingress to the client side is read just before sending an OAM frame and a potential decision value is calculated which reflects the decision that the policer would have taken if given the OAM frame at that time. If the calculated decision is to send the OAM frame as green or yellow, the frame is sent as green or yellow, accordingly. If, however, the calculated decision to drop the frame, the frame is randomly marked as either green or yellow in accordance with the ratio of CIR to EIR. In another embodiment, red traffic (i.e. dropped frames) is simulated using CIR and EIR counters. In another embodiment, frame loss measurements are made that take into account the action taken by policers in the middle of the network.

A spread spectrum receiver and method having narrow-band interference rejection of narrow-band jamming signals using digital signal processing frequency domain techniques. The method performed in the receiver includes transforming the received signal to a frequency domain signal and identifying narrow-band interference components in the frequency domain signal; suppressing the identified narrow-band interference components by excising the identified narrow-band interference components from the frequency domain signal to produce an interference excised signal in the frequency domain, and storing in a memory frequencies corresponding to the identified narrow-band interference components; synchronizing a receiver code to a transmitter code in the frequency domain using the interference excised signal; generating coefficients for a time domain filter that includes notches at the frequencies corresponding to the excised narrow-band interference components and that jointly despreads and rejects narrow-band interference from the excised frequencies; applying the coefficients generated in the preceding step to the time domain filter, and despreading and filtering in real time in the time domain the received signal using the applied coefficients.

A single frequency network (SFN) system is provided, where the system includes a head-end and a plurality of transmitters. The head-end is capable of calculating timing information based upon a time reference having a second resolution. Thereafter, the head-end is capable of sending content including the timing information. The transmitters are capable of receiving the content including the timing information. At least one transmitter is capable of calculating a delay to synchronize the content with content received by at least one other transmitter. In this regard, the transmitter(s) are capable of calculating the delay based upon the timing information and a time reference having a first resolution, the first resolution being higher than the second resolution such that the delay has a higher accuracy than the timing information. After the delay, then, the transmitter(s) are capable of broadcasting the synchronized content to a plurality of mobile terminals.

An object of the present invention is to provide a charging system which carries out position confirmation of a moving body at a place where there is a radio wave blocked facility, and which carries out automatic detection of GPS antenna blockage for avoiding charging. In a charging system including a GPS positioning device 921 for recognizing a vehicle position, a vehicle speed pulse measuring device 920 for dead reckoning navigating, a monitor device 920, 927, 928 which generates information expressing a current position by using these, and a charging processing 902 which judges whether or not a recognized current position is within a charge area and which carries out data processing for charging, the monitor 920 includes a simple map database 928 which includes positions of facilities or geographical features at which GPS positioning is impossible, and when GPS positioning is impossible, the facility or geographical feature corresponding to the current position is detected, and that position is made to be a current position.

The invention refers to one of a number of nodes of a communication system. The nodes are connected to a communication media for transmitting data among the nodes. Said one node comprises a communication controller, across which the node is connected to the communication media, and a bus guardian for controlling access of the communication controller to the communication media. In order to provide a cheap but nevertheless reliable way for monitoring the synchronized clock signal of a node of a communication system and in particular for detecting deviations of the synchronized clock signal it is suggested that a synchronized clock signal from the communication controller is made available to the bus guardian, and that the bus guardian comprises means for monitoring the synchronized clock signal using a bus guardian internal clock signal, which is generated by means of an electronic circuit and which is less accurate than the synchronized clock signal to be monitored.

The present invention provides a display apparatus which enables high-accuracy, hands-free operation, while adopting a low-cost configuration. The display apparatus according to the present invention includes: an obtainment unit that obtains a display element which is information to be displayed to the user; a determining unit that determines a display position of the obtained display element, at which a portion of the obtained display element can not be seen by the user; a display unit that displays the display element at the determined display position; a detection unit that detects a direction of change when an orientation of the user's head is changed; a selection unit that selects the display element to be displayed in the detected direction of change; and an execution unit that executes a predetermined process related to the selected display element.

The invention provides a device for fine adjustment of a prosthetic valve device and a method of adjusting the position of a prosthetic valve after implantation. The adjustment mechanism includes complementary structures on a valve member and device frame that cooperate to provide relative axial and/or angular motion between the valve member and device frame (and thus the native vessel). The adjustment mechanism of the invention may also include a means for selectively maintaining the relative position of the valve member and device frame. The device and method are particularly applicable for use with a modular prosthetic valve device that is assembled in the body lumen.

Whether or not an angular velocity detected by an angular velocity sensor is used for a game process is determined, and a difficulty level of a game to be subjected to a game process is set so as to vary depending on whether the angular velocity is determined to be used or the angular velocity is determined not to be used. When the angular velocity is determined not to be used, a process of specifying a motion direction of an input device is performed by using acceleration detected by an acceleration sensor, whereas when the angular velocity is determined to be used, at least a part of the process of specifying the motion of the input device is performed by using the angular velocity detected by the angular velocity sensor. Accordingly, based on the specified motion direction, the game process is performed while the set difficulty level is applied.

In a vehicle control system performing collision avoiding control when a collision with a preceding vehicle cannot be avoided by normal running condition control, driving safety is improved by prompting a driver to intervene in the vehicle's control in a reliable manner. When a set switch is turned on in the "cancel" state, the transition to the "in-control, inter-vehicle distance control" sub-state occurs and an inter-vehicle distance control is performed. If a collision with a preceding vehicle cannot be avoided by the inter-vehicle distance control (if the collision alarm flag XA=1), transition to the "in-control, collision alarm" sub-state occurs and a collision alarm is generated. If the acceleration required for avoiding collision is further increased (if the collision avoiding control flag XC=1), the state transits to the "in-control, collision avoiding control" sub-state, and a collision avoiding control is performed.

Systems and methods for performing a medical imaging study include acquiring a preliminary scan. A set of local feature candidates is automatically detected from the preliminary scan. The accuracy of each local feature candidate is assessed using multiple combinations of the other local feature candidates and removing a local feature candidate that is assessed to have the lowest accuracy. The assessing and removing steps are repeated until only a predetermined number of local feature candidates remain. A region of interest (ROI) is located from within the preliminary scan based on the remaining predetermined number of local feature candidates. A medical imaging study is performed based on the location of the ROI within the preliminary scan.

A method and apparatus for calibrating a reference oscillator and use of a calibrated reference oscillator is disclosed. To gain cost reduction advantages, a less accurate reference oscillator is utilized in a wireless communication device. The cost benefit is gained at the expense of reference oscillator accuracy in that its inability to generate a signal with a highly accurate reference frequency inhibits acquisition of a carrier or pilot signal. To compensate, a correction factor is generated by minimizing the difference between the reference oscillator signal and a signal of known frequency, such as an external reference signal. Access to the reference oscillator signal, or a signal related thereto, may be gained via the communication device antenna or a test port. The correction factor may be stored in the wireless communication device for use in conjunction with the reference oscillator to thereby generate the highly accurate reference signal at the reference frequency.

At a registration time, a feature data array for registration is generated from biometric information acquired by a client, and a position correction template and a comparison template obtained by converting the feature data array for registration are registered in a server.

At an authentication time, a feature data array for authentication is generated from biometric information acquired by the client, and converted feature data for position correction obtained by converting the feature data array for authentication is transmitted to the server. The server detects a position correction amount of the feature data array for authentication relative to the feature data array for registration using the position correction template and the converted feature data for position correction, and transmits the position correction amount to the client. The client corrects the feature data array for authentication using the position correction amount and transmits the converted feature data array for comparison to the server. The server calculates a distance between the comparison template and the converted feature data array for comparison and determines success or failure of the authentication on the basis of the distance.

A computer-vision system or engine that (a) generates from a pixel stream a digital representation of a person and (b) determines attributes or characteristics of the person from that digital representation and (c) based on those attributes or characteristics, outputs data to a cloud-based analytics system that enables that analytics system to identify and also to authenticate the person. The attributes or characteristics of the person include their pose, and the system or engine analyses that pose to extract a facial image from a video stream that is the best facial image for use by the cloud-based analytics system to identify and authenticate the person. The computer-vision system or engine outputs the facial image to the cloud-based analytics system, but does not output the full-frame real-time video to the cloud-based analytics system.

Some embodiments simulate a mixed-signal circuit design by adaptively applying multiple simulation engines at various regions of the design at various stages of the simulation. Some embodiments partition the mixed-signal design into multiple regions. Some embodiments classify the regions at different time steps of transient analysis. The regions are classified to indicate whether a region is active or inactive at each such time step. Then when analyzing the active regions, some embodiments adaptively apply different solvers to at least two of the active regions based on criteria associated with the active regions. Additionally, some embodiments perform an adaptive bi-direction analysis of the regions. In this manner, some embodiments optimize the circuit simulation by adaptively simulating the design using different solvers that employ greater accuracy where required and greater efficiency when less accuracy is required, thus allowing the simulation to occur with greater overall accuracy, efficiency, and capacity.

A low power tracking device and a method of use thereof is described. The method includes receiving first tracking information from a first tracking device and periodically determining accuracy of the first tracking information. A second tracking device is activated and used to acquire second tracking information when said determining indicates that the accuracy of the first tracking information is inadequate. The first tracking device is substantially lower power device that the second tracking device.

The invention provides an indoor positioning method, and relates to a wireless communication network technology for network management. A method combining positioning based on a WiFi fingerprint and visual positioning based on a label is adopted. The method comprises the following steps: firstly, acquiring a WiFi positioning range and a WiFi positioning coordinate by using a WiFi position fingerprint positioning algorithm; secondly, acquiring a visual positioning coordinate according to feature matching and visual positioning of a tested image; lastly, combining WiFi position fingerprint positioning with visual positioning to realize high-accuracy indoor positioning. By adopting method, the defects that the conventional WiFi fingerprint positioning technology has low accuracy and the conventional single visual positioning method technology is not suitable for indoor positioning are overcome.

An electrical storage system mounted on a vehicle includes: an electrical storage device that is charged or discharged; and a controller that calculates an SOC on the basis of a correspondence relationship between a voltage of the electrical storage device and an SOC of the electrical storage device and that calculates a full charge capacity of the electrical storage device on the basis of an SOC difference between before and after charging and an accumulated charging current value during charging.

Shape sensing with a multi-core fiber can achieve high accuracy as well as accommodate small bend radii by measuring signals with peripheral waveguide cores placed at multiple different radial distances from the center axis of the fiber, and computing strain metrics from signals of cores selected based on the respective radial distances and a determination of whether the waveguide cores have strained out of range.