• spectral
  • The auditory system balances its frequency and temporal resolution in a manner that is consistent with the perception of linguistic phonemes where the simultaneous recognition of both spectral and temporal shapes plays a crucial role in rapid identification of speech. (sfu.ca)
  • A class of contemporary methods of sound synthesis and signal processing known as time-frequency models that emerged over the last two decades has their basis at this quantum level such that changes in a signal's time domain result in spectral alterations and vice versa. (sfu.ca)
  • As the temporal shape of a sound becomes elongated, whether by a small percentage or a very large amount, one's attention shifts towards the spectral components of the sound, either discrete frequency components, harmonics or inharmonics, or resonant regions and broadband textures. (sfu.ca)
  • 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)
  • transmit
  • Older beacons that transmit only a legacy analogue signal on 121.5 MHz or 243 MHz rely on being received only by nearby aircraft or rescue personnel. (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)
  • In a paper prepared for the 1996 GLOBECOM conference in London, Raleigh presented the first rigorous mathematical proof that in the presence of naturally occurring multipath propagation multiple antennas may be used with special signal processing techniques to transmit multiple data streams at the same time on the same frequency, multiplying the information-carrying capacity (data rate) of wireless links. (wikipedia.org)
  • data
  • Characterizing brain connectivity between neural signals is key to understanding brain function.In our method, fully data-driven MEMD, together with Hilbert transform, is first employed to provide time-frequency power spectra for neural data.Furthermore, a statistical randomization procedure is designed to cancel out the effect of the added noise. (nih.gov)
  • In our method, fully data-driven MEMD, together with Hilbert transform, is first employed to provide time-frequency power spectra for neural data. (nih.gov)
  • 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)
  • 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)
  • 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)
  • In a mixed-signal system (analog and digital), a reconstruction filter is used to construct a smooth analog signal from a digital input, as in the case of a digital to analog converter (DAC) or other sampled data output device. (wikipedia.org)
  • Medical image computing (MIC) is an interdisciplinary field at the intersection of computer science, data science, electrical engineering, physics, mathematics and medicine. (wikipedia.org)
  • 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)
  • 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)
  • Advancement in signal processing and machine learning techniques is making it possible to automatically analyse EEG data to detect epochs with epileptic patterns. (hindawi.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)
  • Astrapi claims it is able to improve the trade-off between the four fundamental parameters in telecommunications: bandwidth, signal power, data throughput, and error rate. (eetimes.com)
  • Systems, methods, apparatuses, and computer-program products for performing dynamic bandwidth switching between control signals and data signals of differing. (patents.com)
  • The software is capable of adjusting parameters (e.g., voltage, compensation) for the sample being tested, and also assists in displaying initial sample information while acquiring sample data to ensure that parameters are set correctly. (wikipedia.org)
  • At the lowest level where the sensor data are collected, statistical learning concerns how to find the detailed locations of agents from the received signal data. (wikipedia.org)
  • In the past, EEG devices circumvented this problem by measuring these signals in environments where electrical activity is strictly controlled and increasing the signal strength of the data coming from the brain through the application of a conductive solution. (wikipedia.org)
  • Random-access memory (RAM /ræm/) is a form of computer data storage that stores data and machine code currently being used. (wikipedia.org)
  • A random-access memory device allows data items to be read or written in almost the same amount of time irrespective of the physical location of data inside the memory. (wikipedia.org)
  • In contrast, with other direct-access data storage media such as hard disks, CD-RWs, DVD-RWs and the older magnetic tapes and drum memory, the time required to read and write data items varies significantly depending on their physical locations on the recording medium, due to mechanical limitations such as media rotation speeds and arm movement. (wikipedia.org)
  • waves
  • The sampling theorem describes why the input of an ADC requires a low-pass analog electronic filter, called the anti-aliasing filter: the sampled input signal must be bandlimited to prevent aliasing (here meaning waves of higher frequency being recorded as a lower frequency). (wikipedia.org)
  • Estimation
  • To examine the effect of noise on coherence estimation, we systematically varied the noise by changing its variance relative to the signal and estimated the coherence between channel X and Z in the above simulation. (nih.gov)
  • In subsequent papers, Raleigh proposed a series of enhancements including the use of OFDM with MIMO and techniques for space-frequency coding, space-frequency-time channel estimation, and MIMO synchronization. (wikipedia.org)
  • neural
  • Characterizing brain connectivity between neural signals is key to understanding brain function. (nih.gov)
  • A problem in localizing sources is that a unique relationship may not exist between the recorded EEG or MEG signals and the neural source(s). (google.com)
  • 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)
  • wherein
  • 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)
  • A method of performing a Radio Resource Control, RRC, connection establishment in accordance with a cell selection process, wherein a first timer is used to. (patents.com)
  • methods
  • However, several other established synthesis methods are now regarded as time-frequency models, for instance the VOSIM and FOF models, both originally designed for speech simulation. (sfu.ca)
  • In fact, all of the current methods for stretching sound are based on some form of windowing operation, usually with overlapping envelopes whose shape and frequency of repetition are controllable. (sfu.ca)
  • At that time, absorption methods were still widely favored by other scientists over fluorescence methods. (wikipedia.org)
  • method
  • So the iterative optimization framework using the conventional method takes large amount of time. (kaist.ac.kr)
  • We applied new non-linear optimization frameworks to solve initialization and extrinsic calibration problems for the IMU-IMU, IMU-Camera, and IMU-LiDAR pair based on the proposed relative preintegration method in an on-line manner, and the superior results of the mentioned processes are presented as well. (kaist.ac.kr)
  • digital
  • In doing so, it reconstructs the continuous time signal (whether originally sampled, or modelled by digital logic) corresponding to the digital time sequence. (wikipedia.org)
  • During the last half century, the computer has become the central site of this research, including sound synthesis, digital signal processing and computer-assisted composition. (sfu.ca)
  • The regions of potential intersection are accumulated among the pixels to produce a cumulative array, and information in the cumulative array is processed for identifying spiculations in the digital mammogram. (google.com)
  • Image noise can range from almost imperceptible specks on a digital photograph taken in good light, to optical and radioastronomical images that are almost entirely noise, from which a small amount of information can be derived by sophisticated processing. (wikipedia.org)
  • Astrapi Corp. (Dallas, Texas), founded in 2010, is the pioneer of spiral-based signal modulation, which provides novel ways to build symbol waveforms used to encode digital wireless transmission. (eetimes.com)
  • Acquisition is mediated by a computer physically connected to the flow cytometer, and the software which handles the digital interface with the cytometer. (wikipedia.org)
  • 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)
  • This is profound since several of the signals that are transferred in the digital world today are of multiple dimensions including images and videos. (wikipedia.org)
  • produces
  • The company span out of CEA-Leti in 2011 and claims the technique produces three times more light per planar area than conventional approaches while using less GaN material. (eetimes.com)
  • In signal processing, multidimensional discrete convolution refers to the mathematical operation between two functions f and g on an n-dimensional lattice that produces a third function, also of n-dimensions. (wikipedia.org)
  • coherence
  • In his work, a fused formant based sound can disintegrate into a rhythmic pattern or granular texture, and then revert to the original sound, even maintaining phase coherence in the process. (sfu.ca)
  • 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)
  • brain-computer
  • The papers published after this research also mark the first appearance of the expression brain-computer interface in scientific literature. (wikipedia.org)
  • NeuroSky, Inc. is a manufacturer of Brain-Computer Interface (BCI) technologies for consumer product applications, which was founded in 2004 in Silicon Valley, California. (wikipedia.org)
  • radios
  • Banglaore, India) is a fabless semiconductor company providing IC products in IoT Radios, Timing and Audio markets. (eetimes.com)
  • Simulation
  • While the amount of noise derived from this particular simulation is empirical, it indicates that the amount of noise should be four orders of magnitude less than the signal. (nih.gov)
  • parameters
  • Moreover, it is the time domain parameters involved in each model that control the bandwidth of the result, usually intended to shape the formant regions of the simulated vowels. (sfu.ca)
  • diode
  • The computer went into operation in May 1950 using a combination of vacuum tubes and solid-state diode logic. (wikipedia.org)
  • Imaging
  • Diagnostic imaging is a process of imaging human body with the help of various imaging services. (yumpu.com)
  • temporal
  • The analogy to the Heisenberg uncertainty principle of quantum physics is not metaphorical but exact, because just as velocity is the rate of change of position (hence the accuracy of determination of one is linked to a lack of accuracy in the other), so frequency can be thought of as the rate of change of temporal phase. (sfu.ca)
  • 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)
  • 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)
  • Technology
  • Clarity built a MIMO demonstration link and developed a related technology, vector orthogonal frequency division multiplexing (V-OFDM). (wikipedia.org)
  • NeuroSky assists other companies in incorporating BCI technology into their products and supplies them with the specialized hardware required to do so. (wikipedia.org)
  • analog
  • Aspinity Inc. (Morgantown, West Virginia) founded in June 2012 by Vinod Kulathumani, an associate professor at West Virginia University, is developing reconfigurable analog signal processing circuits as ICs and IP. (eetimes.com)
  • several
  • Since the 1980s, this research field has captured the attention of several computer science communities due to its strength in providing personalized support for many different applications and its connection to many different fields of study such as medicine, human-computer interaction, or sociology. (wikipedia.org)
  • noise
  • As a rule of thumb, we suggest that the added noise should be of infinitesimal magnitude so as to minimize the interaction between the added noise and original clean signal. (nih.gov)
  • At higher exposures, however, image sensor noise is dominated by shot noise, which is not Gaussian and not independent of signal intensity. (wikipedia.org)
  • If dark-frame subtraction is not done, or if the exposure time is long enough that the hot pixel charge exceeds the linear charge capacity, the noise will be more than just shot noise, and hot pixels appear as salt-and-pepper noise. (wikipedia.org)
  • Though it can be signal dependent, it will be signal independent if other noise sources are big enough to cause dithering, or if dithering is explicitly applied. (wikipedia.org)
  • Major
  • In 1984, Commodore International signed a deal to manufacture the 8088 for use in a licensed Dynalogic Hyperion clone, in a move that was regarded as signaling a major new direction for the company. (wikipedia.org)
  • Thus
  • sure games in the Programming of collegial platforms often little work hunter to repair applied out by German job of the algorithms at the long children, and thus later stalking the hundreds at some professional rapist order. (juergenschramm.net)
  • Clock
  • Variants of the 8088 with more than 5 MHz maximal clock frequency include the 8088-2, which was fabricated using Intel's new enhanced nMOS process called HMOS and specified for a maximal frequency of 8 MHz. (wikipedia.org)
  • For instance, the NEC V20 was a pin-compatible and slightly faster (at the same clock frequency) variant of the 8088, designed and manufactured by NEC. (wikipedia.org)
  • Depending on the clock frequency, the number of memory wait states, as well as on the characteristics of the particular application program, the average performance for the Intel 8088 ranged approximately from 0.33 to 1 million instructions per second. (wikipedia.org)
  • chip
  • While a sizeable population across the globe is a dedicated packaged food products buyer, it has been observed that consumers are finding it easy to read the detailed product information stored in a chip, using their smartphones, computers, or scanners. (yumpu.com)
  • Processor chip (microprocessor or central processing unit). (wikipedia.org)
  • output
  • A subtlety in image processing is that (linear) signal processing assumes linear luminance - that doubling a pixel value doubles the luminance of the output. (wikipedia.org)
  • The second change is the pin that signals whether a memory access or input/output access is being made has had it sense reversed. (wikipedia.org)
  • n_{M}-k_{M})} The resulting output region of support of a discrete multidimensional convolution will be determined based on the size and regions of support of the two input signals. (wikipedia.org)
  • 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)
  • medical
  • Although there are many computer vision techniques for image segmentation, some have been adapted specifically for medical image computing. (wikipedia.org)
  • lot is Assist the medical Schedule sent, but its only drive learns to very prove the century through a author started novel curriculum. (juergenschramm.net)
  • include
  • In 2014 and 2015 (the latest year for which statistics have been compiled), Cospas-Sarsat assistance included the following: These statistics under-report the events where Cospas-Sarsat assisted, because they only include events when an accurate report from SAR personnel is provided back through reporting channels to the Cospas-Sarsat Secretariat. (wikipedia.org)
  • Challenges which must still be addressed include quantification of the behavior and roles of individuals who join the group, integration of explicit models for role description into inference algorithms, and scalability evaluations for very large groups and crowds. (wikipedia.org)
  • device
  • A small device which looks like some kind of a bracelet on the arterial line of the pump oxygenator and is connected to the computer will be recording all bubbles, searching for potentially dangerous ones and will ensure the timely opportunity to get rid of them. (innovations-report.com)
  • There is provided a wireless transmission device in which a lower layer processing unit inserts first random delay before frame transmission in response to a. (patents.com)
  • However, most people don't have rooms in their house devoid of electronic devices nor do they want to apply a conductive liquid to their head every time they use a BCI device. (wikipedia.org)