• wherein
  • 3. A fully automated method according to claim 1 wherein the processable data are generated by pre-processing raw data generated by the medical imaging system. (google.co.uk)
  • 5. A fully automated method according to claim 1 wherein the plurality of stored tissue classifier elements are developed using known outcome data by a process selected from the group consisting of logistic regression, decision trees, non-parametric regression, Fisher discriminant analysis, Bayesian network modeling, and a fuzzy logic system. (google.co.uk)
  • 6. A fully automated method according to claim 5 wherein at least one of the plurality of stored tissue classifier elements is determined by a process selected from the group consisting of post-operative histological examination, direct tissue inspection, and labeling by one or more experts. (google.co.uk)
  • 5. The percutaneous-point determination device of claim 1 , wherein the emitted ultrasound beam has a variable frequency to provide a predetermined axial resolution along the ultrasound beam axis. (google.es)
  • 6. The percutaneous-point determination device of claim 5 , wherein the frequency of the emitted ultrasound beam is variable between about 1 MHZ and about 15 MHZ. (google.es)
  • 10. The percutaneous-point determination device of claim 1 , wherein the computer is configured to cross-correlate the ultrasound data with reference ultrasound data to thereby determine the distance from the ultrasound device to the point. (google.es)
  • The double echo sequence corresponds to a combination of a refocused gradient echo sequence, which is known, among other things, by the acronym FISP ( F ast I maging with S teady State P recision and a sequence wherein a spin echo based on a refocusing partial effect of each radio-frequency signal is utilized and that is known, among other things, by the acronym PSIF. (google.com)
  • a controller that is coupled to the plurality of microelectrodes and the plurality of drug delivery ports, wherein the controller is configured to cause at least one drug to be excreted from selected ones of the plurality of drug delivery ports based on signals received from the plurality of microelectrodes. (google.co.uk)
  • 4. The apparatus of claim 1 , wherein a magnetic positioning device is located at a distal end of the support shaft, and wherein the support shaft with the magnetic tip is configured so that the support shaft can be positioned to a desired location within a patient's brain by the application of an external magnetic field. (google.co.uk)
  • contrast
  • Depending on the desired contrast, the generic FLASH technique provides spoiled versions that destroy transverse coherences and yield T1 contrast as well as refocused versions (constant phase per repetition) and fully balanced versions (zero phase per repetition) that incorporate transverse coherences into the steady-state signal and offer T1/T2 contrast. (wikipedia.org)
  • These methods contrast with amplitude modulation, in which the amplitude of the carrier wave varies, while the frequency and phase remain constant. (wikipedia.org)
  • In addition there was a so-called ring modulator, which mixed two input signals multiplicatively, in contrast to the additive mixing done with a mixing console. (wikipedia.org)
  • The name is from the onomatopoeic English word for a dog's bark, "woof"[citation needed] (in contrast to the name used for speakers designed to reproduce high-frequency sounds, tweeter). (wikipedia.org)
  • ratio
  • The important characteristics of spectrum analyzer are signal to noise ratio test and noise figure test which improves overall performance of the system. (yumpu.com)
  • Each data set is defined by distinct characteristics, e.g. , signal-to-noise ratio, crispness (sharpness) of the data, heterogeneity of its features, crowdedness of features, presence or absence of characteristic shapes that allow for easy identification, and the percentage of the entire volume that a specific region of interest occupies. (jove.com)
  • In radio transmission, an advantage of frequency modulation is that it has a larger signal-to-noise ratio and therefore rejects radio frequency interference better than an equal power amplitude modulation (AM) signal. (wikipedia.org)
  • For a sine wave modulation, the modulation index is seen to be the ratio of the peak frequency deviation of the carrier wave to the frequency of the modulating sine wave. (wikipedia.org)
  • data
  • PURPOSE: To present and validate a new method that formalizes a direct link between k-space and wavelet domains to apply separate undersampling and reconstruction for high- and low-spatial-frequency k-space data. (biomedsearch.com)
  • 4. A fully automated method according to claim 3 further comprising normalizing the processable data prior to computationally processing the processable data. (google.co.uk)
  • The device includes a computer configured to process the ultrasound data and position data to thereby determine a location of the point. (google.es)
  • a computer configured to process the ultrasound data and position data to thereby determine the location of the point associated with the surface of the animal organ with respect to an on site reference coordinate system. (google.es)
  • The present document relates to time-alignment of encoded data of an audio encoder with associated metadata, such as spectral band replication (SBR) metadata. (patents.com)
  • When combining digital data sets in the time domain into a combined digital data set a subset of samples of each digital data set is adjusted to enable. (patents.com)
  • Then an analog-to-digital converter 'translates' the assisted signal into the computer language, making the signal digital and then it is further transmitted to the data processing, storage and display unit. (innovations-report.com)
  • Medical image computing (MIC) is an interdisciplinary field at the intersection of computer science, data science, electrical engineering, physics, mathematics and medicine. (wikipedia.org)
  • Advances and devices include: RF antennas, RF and mixed signal ICs, RF receiver and transmitter designs, software radio based modulation and demodulation, communication protocols and data networking. (slideshare.net)
  • By storing the carrier phase measurements and differentially post-processing the data, positioning errors on the order of 10 centimeters are possible with these receivers. (wikipedia.org)
  • averaging, signal conditioning, and data interpolation. (uwo.ca)
  • The DTI-data obtained were processed using a FDA approved surgical navigation system program which uses a straightforward fiber-tracking approach known as fiber assignment by continuous tracking (FACT). (jove.com)
  • Digital data can be encoded and transmitted via FM by shifting the carrier's frequency among a predefined set of frequencies representing digits - for example one frequency can represent a binary 1 and a second can represent binary 0. (wikipedia.org)
  • Data in an MRP, ERP, or PDM system can be directly accessed for use during component decision-making process. (wikipedia.org)
  • typically
  • Typically, animals gain energy by increasing their feeding time and decreasing their vigilance effort with increasing group size, without increasing their risk of predation (group size effect). (jove.com)
  • A woofer is a technical term for loudspeaker driver designed to produce low frequency sounds, typically from 40 Hz up to 500 Hz. (wikipedia.org)
  • The most common design for a woofer is the electrodynamic driver, which typically uses a stiff paper cone, driven by a voice coil surrounded by a magnetic field. (wikipedia.org)
  • method
  • RESULTS: Examples using the proposed method demonstrate successful reconstruction of both low-spatial-frequency content and fine structures in high-resolution three-dimensional breast imaging with a net acceleration of 11-12. (biomedsearch.com)
  • CONCLUSION: The proposed method improves the reconstruction accuracy of high-spatial-frequency signal content and avoids incoherent artifacts in low-spatial-frequency regions. (biomedsearch.com)
  • A computer-implemented method of the invention includes: determining, by a. (patents.com)
  • An automotive speech input optimization method includes using a microphone to convert audible speech into an audio signal. (patents.com)
  • This process exists in opposition to phonetics and word analysis, as a different method of recognizing and verbalizing visual language (i.e. reading). (wikipedia.org)
  • We present a method for controlling a dynamical system using real-time fMRI. (diva-portal.org)
  • Magnetic induction was the method used on the first rail inspection cars. (wikipedia.org)
  • In detail, it is a method used to determine when the ball has completely crossed the goal line in between the goal-posts and underneath the crossbar with the assistance of electronic devices and at the same time assisting the referee in awarding a goal or not. (wikipedia.org)
  • analog
  • In late 1997 and early 1998, OrCAD and MicroSim Corporation merged, a business combination that ultimately proved to be disappointing (MicroSim, was a supplier of PC-based analog and mixed-signal simulation software for designing printed circuit board systems). (wikipedia.org)
  • OrCAD EE PSpice is a SPICE circuit simulator application for simulation and verification of analog and mixed-signal circuits. (wikipedia.org)
  • OrCAD Capture and PSpice Designer together provide a complete circuit simuation and verification solution with schematic entry, native analog, mixed signal, and analysis engines. (wikipedia.org)
  • acquisitions
  • Most recently, highly undersampled radial FLASH MRI acquisitions have been combined with an iterative image reconstruction by regularized nonlinear inversion to achieve real-time MRI at a temporal resolution of 20 to 30 milliseconds for images with a spatial resolution of 1.5 to 2.0 millimeters. (wikipedia.org)
  • RFID
  • Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. (wikipedia.org)
  • A battery-assisted passive (BAP) has a small battery on board and is activated when in the presence of an RFID reader. (wikipedia.org)
  • Wireless identity theft, also known as contactless identity theft or RFID identity theft, is a form of identity theft described as "the act of compromising an individual's personal identifying information using wireless (radio frequency) mechanics. (wikipedia.org)
  • 2. RFID Technology and ROI Radio Frequency Identification (RFID) technologies provides a means to wirelessly identify, monitor and track individuals or products. (slideshare.net)
  • system
  • EEG-Based Brain-Computer Interface System. (wiley.com)
  • A radio-frequency identification system uses tags, or labels attached to the objects to be identified. (wikipedia.org)
  • In each classification 9000 brain voxels were used and the response time for the system to detect a change of activity was on average 2-4 seconds. (diva-portal.org)
  • Normally the crossover and speaker system, including the woofer, are expected to convert the electrical signal supplied by the amplifier to an acoustic signal of identical waveform without other interaction between the amplifier and speakers, although sometimes the amplifier and speakers are designed together with the speakers supplying distortion-correcting negative feedback to the amplifier. (wikipedia.org)
  • shorter
  • The repetition time is usually much shorter than the typical T1 relaxation time of the protons in biologic tissue. (wikipedia.org)
  • The number of transactions per minute can be increased, and more transactions can be processed in a shorter time, therefore making for arguably shorter lines at the cashier. (wikipedia.org)
  • additive
  • Three-dimensional printing allows for the production of highly detailed objects through a process known as additive manufacturing. (jove.com)
  • electrical
  • One important application of EEG and MEG is source localization, i.e., the determination of locations of electrical activity in the brain from the EEG or MEG signals. (google.com)
  • The history of brain-computer interfaces (BCIs) starts with Hans Berger's discovery of the electrical activity of the human brain and the development of electroencephalography (EEG). (wikipedia.org)
  • Most have to do with controlling the motion of the cone so the electrical signal to the woofer's voice coil is faithfully reproduced by the sound waves produced by the cone's motion. (wikipedia.org)
  • There are also challenges in presenting to the amplifier an electrical impedance which is not too far from constant at all frequencies. (wikipedia.org)
  • field
  • This was done by passing large amounts of magnetic field through the rail and detecting flux leakage with search coils. (wikipedia.org)
  • Over time, OrCAD's product line broadened to include Windows-based software products to assist electronics designers in developing field-programmable gate arrays (FPGAs), including complex programmable logic devices (CPLDs). (wikipedia.org)
  • brain
  • Another future potential application can be to serve as a tool for stroke and Parkinson patients to be able to train the damaged brain area and get real-time feedback for more efficient training. (diva-portal.org)
  • A brain-computer interface (BCI), sometimes called a neural-control interface (NCI), mind-machine interface (MMI), direct neural interface (DNI), or brain-machine interface (BMI), is a direct communication pathway between an enhanced or wired brain and an external device. (wikipedia.org)
  • The papers published after this research also mark the first appearance of the expression brain-computer interface in scientific literature. (wikipedia.org)
  • Thanks to the remarkable cortical plasticity of the brain, signals from implanted prostheses can, after adaptation, be handled by the brain like natural sensor or effector channels. (wikipedia.org)
  • In 1990 report was given on a bidirectional adaptive BCI controlling computer buzzer by an anticipatory brain potential, the Contingent Negative Variation (CNV) potential. (wikipedia.org)
  • Once the sound is able to reach the cochlea at normal or near-normal levels, the cochlea and auditory nerve are able to transmit signals to the brain normally. (wikipedia.org)
  • reduces
  • This new formulation also reduces the reconstruction time due to the smaller problem size. (biomedsearch.com)
  • This task is performed fully automatically which reduces the overall planning time. (jove.com)
  • temporal
  • Other decrements in auditory perception caused by sensorineural hearing loss, such as abnormal spectral and temporal processing, and which may negatively affect speech perception, are more difficult to compensate for using digital signal processing and in some cases may be exacerbated by the use of amplification. (wikipedia.org)
  • Stochastic super-resolution: The chemical complexity of many molecular light sources gives them a complex temporal behavior, which can be used to make several close-by fluorophores emit light at separate times and thereby become resolvable in time. (wikipedia.org)
  • spectrum
  • In 1886-88 Heinrich Rudolf Hertz conducted a series of experiments that proved the existence of Maxwell's electromagnetic waves, using a frequency in what would later be called the radio spectrum. (wikipedia.org)
  • For the case of a carrier modulated by a single sine wave, the resulting frequency spectrum can be calculated using Bessel functions of the first kind, as a function of the sideband number and the modulation index. (wikipedia.org)
  • induction
  • It is likely that the first intentional transmission of a signal by means of electromagnetic waves was performed in an experiment by David Edward Hughes around 1880, although this was considered to be induction at the time. (wikipedia.org)
  • sequences
  • The introduction of FLASH MRI sequences in diagnostic imaging for the first time allowed for a drastic shortening of the measuring times without a substantial loss in image quality. (wikipedia.org)
  • radio
  • In terms of MRI, signals with different spatial encodings that are required for the reconstruction of a full image need to be acquired by generating multiple signals - usually in a repetitive way using multiple radio-frequency excitations. (wikipedia.org)
  • Sound waves vibrated a diaphragm which slightly altered the shape of the resonator, which modulated the reflected radio frequency. (wikipedia.org)
  • Two-way radio transmitter-receivers called interrogators or readers send a signal to the tag and read its response. (wikipedia.org)
  • Each of these cards carry a Radio frequency identification chip which responds to certain radio frequencies. (wikipedia.org)
  • When these "tags" come into contact with radio waves, they respond with a slightly altered signal. (wikipedia.org)
  • It is also used in telemetry, radar, seismic prospecting, and monitoring newborns for seizures via EEG, two-way radio systems, music synthesis, magnetic tape-recording systems and some video-transmission systems. (wikipedia.org)
  • For example, narrowband FM (NFM) is used for two way radio systems such as Family Radio Service, in which the carrier is allowed to deviate only 2.5 kHz above and below the center frequency with speech signals of no more than 3.5 kHz bandwidth. (wikipedia.org)
  • A noise generator provided a rushing-noise signal, like what is heard for example in short-wave radio on frequencies between radio stations. (wikipedia.org)
  • real time
  • Utterances spoken or sung by a first person can be received, in real time, from a mobile communication device. (patents.com)
  • circuits
  • Time-domain analysis: first and second order circuits, source-free and forced response. (uwo.ca)
  • Three phase circuits, magnetic coupling and circuits, transformers. (uwo.ca)
  • different
  • Fan-like images due to modalities such as curved-array ultrasound are also common and require different representational and algorithmic techniques to process. (wikipedia.org)
  • Segmentation is the process of partitioning an image into different meaningful segments. (wikipedia.org)
  • Precision matrices were obtained with the region specific time series in five different frequency bands. (ox.ac.uk)
  • Maxwell's theory showing that light and Hertzian electromagnetic waves were the same phenomenon at different wavelengths led "Maxwellian" scientist such as John Perry, Frederick Thomas Trouton and Alexander Trotter to assume they would be analogous to optical signaling and the Serbian American engineer Nikola Tesla to consider them relatively useless for communication since "light" could not transmit further than line of sight. (wikipedia.org)
  • The carrier and sideband amplitudes are illustrated for different modulation indices of FM signals. (wikipedia.org)
  • thereby
  • Instead, via prior exposure, people become familiar with outlines, and thereby recognize them the next time they are presented with the same word, or bouma. (wikipedia.org)
  • patterns
  • These trucks are loaded with high speed computers using advanced programs which recognize patterns and contain classification information. (wikipedia.org)
  • parallel
  • To better exploit wavelet-domain sparsity, compressed sensing can be used for high-spatial-frequency regions, whereas parallel imaging can be used for low-spatial-frequency regions. (biomedsearch.com)
  • Firstly, drug discovery in the last decades leading up to the 1990s had been limited due to the time and cost of running many chromatographic analyses in parallel on macroscopic equipment. (wikipedia.org)
  • Single
  • On the other hand, lab-on-a-chip is concerned with miniaturization and integration of laboratory processes and experiments into single (often microfluidic) chips. (wikipedia.org)
  • Due to being single-use only, larger than their MEMS counterparts, and the requirement of clean room facilities, high material and processing costs make silicon-based bio-MEMS less economically attractive. (wikipedia.org)
  • technology
  • At the time, the application of MEMS to biology was limited because this technology was optimized for silicon or glass wafers and used solvent-based photoresists that were not compatible with biological material. (wikipedia.org)
  • High
  • High-frequency subband compressed sensing MRI using quadruplet sampling. (biomedsearch.com)
  • THEORY AND METHODS: High- and low-spatial-frequency regions are defined in k-space based on the separation of wavelet subbands, and the conventional compressed sensing problem is transformed into one of localized k-space estimation. (biomedsearch.com)
  • For example, creating flash cards for words that appear at a high frequency is considered a tool for overcoming dyslexia. (wikipedia.org)
  • Then, destruction analogy is implemented by replacing pixels with high strain as background ones, and this process is iterated until object is decomposed into two parts. (jove.com)
  • Good woofer design requires effectively converting a low frequency amplifier signal to mechanical air movement with high fidelity and acceptable efficiency, and is both assisted and complicated by the necessity of using a loudspeaker enclosure to couple the cone motion to the air. (wikipedia.org)
  • The size of the enclosure is a function of the longest wavelengths (lowest frequencies) to be reproduced, and the woofer enclosure is much larger than required for midrange and high frequencies. (wikipedia.org)
  • methods
  • Systems and methods are presented for efficient cross-fading (or other multiple clip processing) of compressed domain information streams on a user or client. (patents.com)
  • systems
  • Computer operating systems as far back as early Unix have included interactive calculator programs such as dc and hoc, and calculator functions are included in almost all personal digital assistant (PDA) type devices (save a few dedicated address book and dictionary devices). (wikipedia.org)
  • detector
  • Omitting technical details, the essence is that the generator creates a continuous ultrasonic wave, it is reflected from the bubbles and the detector, in its turn, catches the echoed signal. (innovations-report.com)
  • He developed this carbon-based detector further and eventually could detect signals over a few hundred yards. (wikipedia.org)
  • implementation
  • MECHANISM OF SUPPORT The following are points to note about the mechanism of support and its implementation: o This RFA is a one-time solicitation. (nih.gov)
  • basic
  • After the inventory he made in this book of electronic musical instruments developed up to that point in time, Meyer-Eppler experimentally developed in his Bonn Institute one of the basic processes of electronic music, namely the compositional creation of music directly on magnetic tape. (wikipedia.org)
  • speech
  • Wideband FM is used for FM broadcasting, in which music and speech are transmitted with up to 75 kHz deviation from the center frequency and carry audio with up to a 20 kHz bandwidth and subcarriers up to 92 kHz. (wikipedia.org)
  • Flight
  • Flight computers installed in many gliders also use GNSS to compute wind speed aloft, and glide paths to waypoints such as alternate airports or mountain passes, to aid en route decision making for cross-country soaring. (wikipedia.org)
  • Over time, the AMRS morphed into flight service stations. (wikipedia.org)
  • receiver
  • The use of GNSS in MEO, GEO, HEO, and highly elliptical orbits is feasible only if the receiver can acquire and track the much weaker (15 - 20 dB) GNSS side-lobe signals. (wikipedia.org)