Patent application number | Description | Published |
20130197904 | Indirect Model-Based Speech Enhancement - Enhanced speech is produced from a mixed signal including noise and the speech. The noise in the mixed signal is estimated using a vector-Taylor series. The estimated noise is in terms of a minimum mean-squared error. Then, the noise is subtracted from the mixed signal to obtain the enhanced speech. | 08-01-2013 |
20130262083 | Method and Apparatus for Processing Text with Variations in Vocabulary Usage - Text is processed to construct a model of the text. The text has a shared vocabulary. The text is partitioned into sets and subsets of texts. The usage of the shared vocabulary in two or more sets is different, and the topics of two or more subsets are different. A probabilistic model is defined for the text. The probabilistic model considers each word in the text to be a token having a position and a word value, and the usage of the shared vocabulary, topics, subtopics, and word values for each token in the text are represented using distributions of random variables in the probabilistic model, wherein the random variables are discrete. Parameters are estimated for the model corresponding to the vocabulary usages, the word values, the topics, and the subtopics associated with the words. | 10-03-2013 |
20130317804 | Method of Text Classification Using Discriminative Topic Transformation - Text is classified by determining text features from the text, and transforming the text features to topic features. Scores are determined for each topic features using a discriminative topic model. The model includes a classifier that operates on the topic features, wherein the topic features are determined by the transformation from the text features, and the transformation is optimized to maximize the scores of a correct class relative to the scores of incorrect classes. Then, a class label with a highest score is selected for the text. In situations where the classes are organized in a hierarchical structure, the discriminative topic models apply to classes at each level conditioned on previous levels and scores are combined across levels to evaluate the highest scoring class labels. | 11-28-2013 |
20140114650 | Method for Transforming Non-Stationary Signals Using a Dynamic Model - An input signal, in the form of a sequence of feature vectors, is transformed to an output signal by first storing parameters of a model of the input signal in a memory. Using the vectors and the parameters, a sequence of vectors of hidden variables is inferred. There is at least one vector h | 04-24-2014 |
20140244214 | Method for Localizing Sources of Signals in Reverberant Environments Using Sparse Optimization - Source signals emitted in a reverberant environment from different locations are processed by first receiving input signals corresponding to the source signals by a set of sensors. Then, a sparsity-based support estimation is applied to the input signals according to a reverberation model to produce estimates of the source signals and locations of a set of sources emitting the source signals. | 08-28-2014 |
20150025880 | Method for Processing Speech Signals Using an Ensemble of Speech Enhancement Procedures - A method processes an acoustic signal that is a mixture of a target signal and interfering signals by first enhancing the acoustic signal by a set of enhancement procedures to produce a set of initial enhanced signals. Then, an ensemble learning procedure is applied to the acoustic signal and the set of initial enhancement signals to produce features of the acoustic signal. | 01-22-2015 |
20150088422 | Method and System for Dynamically Adapting user Interfaces in Vehicle Navigation Systems to Minimize Interaction Complexity - A method adapts a user interface of a vehicle navigation system. Based on an input vector representing a current state related to the vehicle, probabilities of actions are predicted to achieve a next state using a predictive model representing previous states. Then, a subset of the actions with highest probabilities that minimize a complexity of interacting with the vehicle navigation system are displayed in the vehicle. | 03-26-2015 |
20150112670 | Denoising Noisy Speech Signals using Probabilistic Model - A method determines from an input noisy signal sequences of hidden variables including at least one sequence of hidden variables representing an excitation component of the clean speech signal, at least one sequence of hidden variables representing a filter component of the clean speech signal, and at least one sequence of hidden variables representing the noise signal. The sequences of hidden variables include hidden variables determined as a non-negative linear combination of non-negative basis functions. The determination uses the model of the clean speech signal that includes a non-negative source-filter dynamical system (NSFDS) constraining the hidden variables representing the excitation and the filter components to be statistically dependent over time. The method generates an output signal using a product of corresponding hidden variables representing the excitation and the filter components. | 04-23-2015 |
20150142205 | Actions Prediction for Hypothetical Driving Conditions - An information system includes a prediction engine for predicting an action based on a set of driving state parameters, and a driving history, and a simulation engine for generating a hypothetical scenario by simulating one or a combination of at least one driving state parameter and at least part of the driving history, such that the prediction engine predicts the action for the hypothetical scenario. | 05-21-2015 |
20150281838 | Method and System for Detecting Events in an Acoustic Signal Subject to Cyclo-Stationary Noise - A method detects events in an accoustic signal subject to cyclostationary background noise by first segmenting the signal into cycles. Features with a fixed dimension are derived from the cycles, such that the timing of the features is relative to a cycle time. The features are normalized using an estimate of the cyclostationary background noise. Then, after the normalizing, a classifier is applied to the features to detect the events. | 10-01-2015 |
20150348537 | Source Signal Separation by Discriminatively-Trained Non-Negative Matrix Factorization - A method estimates source signals from a mixture of source signals by first training an analysis model and a reconstruction model using training data. The analysis model is applied to the mixture of source signals to obtain an analysis representation of the mixture of source signals, and the reconstruction model is applied to the analysis representation to obtain an estimate of the source signals, wherein the analysis model utilizes an analysis linear basis representation, and the reconstruction model utilizes a reconstruction linear basis representation. | 12-03-2015 |
20160034810 | Neural Networks for Transforming Signals - A method for transforms input signals, by first defining a model for transforming the input signals, wherein the model is specified by constraints and a set of model parameters. An iterative inference procedure is derived from the model and the set of model parameters and unfolded into a set of layers, wherein there is one layer for each iteration of the procedure, and wherein a same set of network parameters is used by all layers. A neural network is formed by untying the set of network parameters such that there is one set of network parameters for each layer and each set of network parameters is separately maintainable and separately applicable to the corresponding layer. The neural network is trined to obtain a trained neural network, and then input signals are transformed using the trained neural network to obtain output signals. | 02-04-2016 |
Patent application number | Description | Published |
20120136310 | Integrated Spring-Activated Ballistic Insertion For Drug Infusion Device - An infusion set has an integrated ballistic inserter that can insert a needle at a controlled high rate of speed to a depth to deliver content to the upper 3 mm of skin surface, and a skin securing, adhesive layer to secure the skin surface at the insertion site such that the inserter that can insert a needle without a risk of tenting of the skin surface. A driving spring of the ballistic inserter is captured within the ballistic inserter, and can be released by user operation, to insert a needle at such a controlled rate of speed. | 05-31-2012 |
20120143135 | Insulin Pump Dermal Infusion Set Having Partially Integrated Mechanized Cannula Insertion With Disposable Activation Portion - An infusion set has a partially integrated ballistic inserter that can insert a needle at a controlled rate of speed to a depth to deliver content to the upper 3 mm of skin surface, and a skin-securing adhesive layer to secure the skin surface at the insertion site such that the inserter that can insert a needle with a reduced risk of tenting of the skin surface. A removable turnkey or pushable handle can be provided to release a driving spring of the ballistic inserter to insert a needle at a controlled rate of speed, of 3.3 ft/sec. (1.0 m/sec.) up to and including those greater than 10 ft/sec. (3.0 m/sec.), then release from the set for disposal. The infusion set can further include an extendable interface ring that retracts when the inserter is removed from the infusion set. | 06-07-2012 |
20140316337 | Integrated Spring-Activated Ballistic Insertion For Drug Delivery - An infusion set has an integrated ballistic inserter that can insert a needle at a controlled high rate of speed to a depth to deliver content to the upper 3 mm of skin surface, and a skin securing, adhesive layer to secure the skin surface at the insertion site such that the inserter that can insert a needle without a risk of tenting of the skin surface. A driving spring of the ballistic inserter is captured within the ballistic inserter, and can be released by user operation, to insert a needle at such a controlled rate of speed. | 10-23-2014 |
20140316375 | Insulin Pump Dermal Infusion Set Having Partially Integrated Mechanized Cannula Insertion With Disposable Activation Portion - An infusion set has a partially integrated ballistic inserter that can insert a needle at a controlled rate of speed to a depth to deliver content to the upper 3 mm of skin surface, and a skin-securing adhesive layer to secure the skin surface at the insertion site such that the inserter that can insert a needle with a reduced risk of tenting of the skin surface. A removable turnkey or pushable handle can be provided to release a driving spring of the ballistic inserter to insert a needle at a controlled rate of speed, of 3.3 ft/sec. (1.0 m/sec.) up to and including those greater than 10 ft/sec. (3.0 m/sec.), then release from the set for disposal. The infusion set can further include an extendable interface ring that retracts when the inserter is removed from the infusion set. | 10-23-2014 |
Patent application number | Description | Published |
20080273180 | Lithographic apparatus - A projection system suitable for use in a lithographic apparatus, the projection system including a transmissive optical element and a thermal profile corrector configured to change a thermal profile of the transmissive optical element, the thermal profile corrector including a transfer member and a thermal profile conditioner, the transfer member being moveable into and out of proximity with the transmissive optical element to transfer a desired thermal profile from the thermal profile conditioner into the transmissive optical element. | 11-06-2008 |
20110149263 | Method for Controlling the Position of a Movable Object, a Control System for Controlling a Positioning Device, and a Lithographic Apparatus - A control system controls a positioning device displaceable in at least one degree of freedom by a reluctance motor. A force sensing element and a controller adjust force applied by the motor responsive to a force sensing element configured to sense force applied by the motor. The controller receives a signal representing force applied by the motor from the force sensing element, obtain an acceleration trajectory plan associated with a velocity trajectory plan for the positioning device, obtain a force trajectory plan associated with the acceleration trajectory plan, compare the force applied with a required amount of force obtained from the force trajectory, and adjust the amount of force applied by the motor based on the comparison. Related methods are also presented. | 06-23-2011 |
20150212425 | Quantitative Reticle Distortion Measurement System - A lithographic apparatus includes an illumination system configured to condition a radiation beam, a support constructed to hold a patterning device, the patterning device being capable of imparting the radiation beam with a pattern in its cross-section to form a patterned radiation beam, a substrate table constructed to hold a substrate, and a projection system configured to project the patterned radiation beam onto a target portion of the substrate. The lithographic apparatus further includes an encoder head designed to scan over a surface of the patterning device to determine a distortion in a first direction along a length of the patterning device and a distortion in a second direction substantially perpendicular to the surface of the patterning device. | 07-30-2015 |