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| Number | Title | Issue Date |
| 8108325 | Method and system for classifying data in system with limited memory Embodiments of the invention describe a method for classifying data in a system with limited memory. The method applies exemplar learning (EL) procedures to a training data set to produce an exemplar data set adapted to the size of the memory. The EL procedure is se... | 01/31/2012 |
| 8107729 | Method for improving character outlines using multiple alignment zones A method aligns a character to a sampling grid of an image, where an outline of the character is specified by input pen commands. Points and contours of the input pen commands are determined. An orientation of each contour is determined. A first directed acyclic gra... | 01/31/2012 |
| 8107721 | Method and system for determining poses of semi-specular objects A camera acquires a set of coded images and a set of flash images of a semi-specular object. The coded images are acquired while scanning the object with a laser beam pattern, and the flash images are acquired while illuminating the object with a set of light source... | 01/31/2012 |
| 8107541 | Method and system for video segmentation A method segments a video. Audio frames of the video are classified with labels. Dominant labels are assigned to successive time intervals of consecutive labels. A semantic description is constructed for sliding time windows of the successive time intervals, in whic... | 01/31/2012 |
| 8103931 | Method for constructing large-girth quasi-cyclic low-density parity-check codes A method constructs a code, wherein the code is a large-girth quasi-cyclic low-density parity-check code. A base matrix is selected for the code. A cost matrix corresponding to the base matrix is determined. A single element in the base is changed repeatedly maximiz... | 01/24/2012 |
| 8102397 | Method for improving uniform width character strokes using multiple alignment zones A method aligns a character to a sampling grid of an image. An original uniform width path that traces a skeleton of the character is specified by input pen commands having original coordinates. The width of the original path is rounded to a nearest integer to produ... | 01/24/2012 |
| 8098611 | Relay coded multi-user cooperative communications for uplink 4G wireless networks Source nodes in an International Mobile Telecommunications (IMT)-advanced 4G network transmit data on uplink channels to a relay node and a BS using a channel code. The relay node decodes independently the data received from each source node, and applies network cod... | 01/17/2012 |
| 8094621 | Fast handover protocols for WiMAX networks A method performs handover of a mobile station (MS from a current base station (BSC) connected to a target base station (BST) via a backbone in a Worldwide interoperability for Microwave Access (WiMAX) mobile communication network. The MS, before handover, transmits... | 01/10/2012 |
| 8089856 | Zero correlation zone based preamble for oversampled OFDM networks in URWIN In an oversampled orthogonal frequency-division multiplexing (OFDM) orthogonal network, the preamble used for time synchronization does not have an ideal autocorrelation function due to guard bands, which degrade the accuracy of symbol timing. Therefore, a zero-corr... | 01/03/2012 |
| 8088055 | Plan-based medical image registration for radiotherapy A method determines an error in aligning a patient with a radiation beam. A planning volume V is acquired during treatment planning, and a treatment volume I is acquired during treatment. For each point r in the planning volume and treatment volume to be aligned by ... | 01/03/2012 |
| 8086272 | Wireless networks incorporating antenna selection based on received sounding reference signals A method and system selects antennas in a wireless network including a base station and user equipment (UE) transceivers. The base station specifies times and frequencies to transmit sounding reference signals (SRSs), and antennas to use to transmit the SRSs for the... | 12/27/2011 |
| 8085852 | Inverse tone mapping for bit-depth scalable image coding A method performs inverse tone mapping of an image in a decoder. For each block of each color channel of the image the following steps are performed. A scaling factor is determined for a current block of the image by adding a predicted scaling factor for the current... | 12/27/2011 |
| 8081836 | Method for filtering of images with bilateral filters and integral histograms The current invention describes a method for filtering an input image with a bilateral filter to produce an output image. The bilateral filter includes a spatial filter and a range filter. The method comprising the steps of: constructing an integral histogram from a... | 12/20/2011 |
| 8081362 | Method and apparatus for stabilizing galvanometer scanner A galvanometer scanner includes a mechanical support unit engaged with a far end of an optical element. A near end of the optical element is connected to an output shaft of an electric rotary motor. The mechanical support unit maintains an alignment of an axis of ro... | 12/20/2011 |
| 8073071 | Hybrid automatic repeat requests coding in MIMO networks A method transmits a block of symbols in a multiple-input multiple-output (MIMO) network including a transmitter having a set of transmit antennas and a receiver having a set of receive antennas. A block of symbols is coded with a first code to generate a first bloc... | 12/06/2011 |
| 8068016 | Method and system for disseminating witness information in multi-hop broadcast network Information related to a vehicular environment is disseminated in a multi-hop broadcast network of nodes. Vehicles and roadside units are equipped with the nodes. An event is sensed at a location by a source node. In response, zones are associated with respect to th... | 11/29/2011 |
| 8059747 | Method for decoding codewords transmitted over non-coherent channels in MIMO-OFDM networks using Grassmann codes and superblocks Codewords encoded using non-coherent codes and received at a receiver via non-coherent channels in a multi-input, multiple output (MIMO) network using orthogonal frequency demultiplexing (OFDM) are decode by concatenating multiple adjacent codewords of a received si... | 11/15/2011 |
| 8055693 | Method for retrieving items represented by particles from an information database A set of words is converted to a corresponding set of particles, wherein the words and the particles are unique within each set. For each word, all possible partitionings of the word into particles are determined, and a cost is determined for each possible partition... | 11/08/2011 |
| 8055662 | Method and system for matching audio recording Our invention describes a method and a system for matching securely an unknown audio recording with known audio recordings. A plurality of known audio recordings, each known audio recording associated with an index to information uniquely identifying the known audio... | 11/08/2011 |
| 8055301 | Wireless networks incorporating implicit antenna selection based on received sounding reference signals A method and system selects antennas in a wireless network including a base station and user equipment (UE) transceivers. The base station specifies times and frequencies to transmit sounding reference signals (SRSs), and antennas to use to transmit the SRSs for the... | 11/08/2011 |
| 8054776 | Multiple power-multiple access in wireless networks for interference cancellation A method and network communicate packets by assigning, in each one of a set of multiple transmitters, a power level to a packet to be transmitted during a time interval. The power level is selected from a set of power levels available for the set of multiple transmi... | 11/08/2011 |
| 8054226 | Method for estimating location of nodes in wireless networks A method localizes a set of nodes in a wireless network that includes a target node having unknown location and a set of anchor nodes having known locations. The set of anchor nodes is partitioned into subsets of anchor nodes, wherein each subset has at least three ... | 11/08/2011 |
| 8046029 | Method for selecting antennas in a wireless networks A method selects antennas in a wireless network including a base station and one or more transceivers. The base station specifies times, subcarriers and subsets of antennas to use to transmit sounding reference signals (SRS) to the base station. Then, the transceive... | 10/25/2011 |
| 8044994 | Method and system for decoding and displaying 3D light fields A method and system acquire and display light fields. A continuous light field is reconstructed from input samples of an input light field of a 3D scene acquired by cameras according to an acquisition parameterization. The continuous light is reparameterized accordi... | 10/25/2011 |
| 8041577 | Method for expanding audio signal bandwidth A method expands a bandwidth of an audio signal by determining a magnitude time-frequency representation |G(ω, t) for example audio signals g(t). A set of frequency marginal probabilities PG(ω|z) 221 are estimated from |G(ω, t)|, and a magnitude... | 10/18/2011 |
| 8041080 | Method for recognizing traffic signs A method recognizes a set of traffic signs in a sequence of images acquired of a vehicle environment by a camera mounted in a moving vehicle by detecting in each image, a region of interest (ROI) using a parameter space transform. The ROI is tracked and classified a... | 10/18/2011 |
| 8036674 | Inter-cell interference prediction for frequency resource allocation A method predicts resource allocations in a wireless network including a set of base stations (BSs). Each BS is in a cell, and serves a set of mobile stations. A sequence and rule of resource allocations are defined for all of the BSs. Previous resource allocations ... | 10/11/2011 |
| 8023915 | Beamforming in wireless vehicular networks Beams are used to communicate in a wireless network including mobile and stationary receivers. The network operates according to the IEEE 802.11p in wireless access to vehicular environments (WAVE). A direction from the mobile transceiver to the stationary receiver ... | 09/20/2011 |
| 8023462 | Graph-based method for dynamic fractional frequency reuse A method allocates frequency subchannels in an orthogonal frequency-division multiple access (OFDMA) network including a set of base stations and a set of mobile stations for each base station. A graph of nodes and edges is constructed, in which the nodes represent ... | 09/20/2011 |
| 8015003 | Denoising acoustic signals using constrained non-negative matrix factorization A method and system denoises a mixed signal. A constrained non-negative matrix factorization (NMF) is applied to the mixed signal. The NMF is constrained by a denoising model, in which the denoising model includes training basis matrices of a training acoustic signa... | 09/06/2011 |
| 8014326 | Joint carrier allocation and time sharing for OFDMA/TDMA networks A method and system provide multiple-access control and frequency band allocation, and transmission time sharing among multiple users in orthogonal frequency-division multiple-access (OFDMA) and time-division multiple-access (TDMA) networks. The method can be applie... | 09/06/2011 |
| 8014263 | Cross-talk cancellation in cooperative wireless relay networks Cross-talk is canceled in a cooperative wireless relay network that includes a base station (BS), a relay station (RS), and a mobile station (MS). A coupling channel between a transmit antenna and a receive antenna colocated at the RS is estimated. Cross-talk interf... | 09/06/2011 |
| 8010328 | Method for simulating numerically controlled milling using adaptively sampled distance fields Provided is a method performed on a processor for simulating the milling of an object by moving a shape along a path intersecting the object. A composite adaptively sampled distance field (ADF) is generated to represent the object, where the composite ADF includes a... | 08/30/2011 |
| 8009580 | Signaling and training for antenna selection in OFDMA networks A method selects antennas in an OFDMA wireless network including a base station and a mobile station. The mobile station measures a channel state of a downlink in a downlink subframe using different subsets of available antennas, and selects a subset of receive ante... | 08/30/2011 |
| 8009192 | System and method for sensing geometric and photometric attributes of a scene with multiplexed illumination and solid states optical devices An optical receiver is arranged at a location in a scene. The optical receiver includes a photo sensor configured to detect spatio-temporal modulated optical signals directed at the scene from a set of spatially dispersed optical transmitters, and to convert the opt... | 08/30/2011 |
| 8000416 | System and method for generating soft output in hybrid MIMO systems A hybrid soft output MIMO detector uses a QR decomposition detector followed by a Markov chain Monte Carlo detector. The QRD-M generates initial candidate decision vectors, which are used as input for the Markov chain Monte Carlo detection to generate the soft outpu... | 08/16/2011 |
| 7995644 | Device, method and protocol for private UWB ranging An apparatus, system, method and computer program product for secure ranging between at least two devices in radio communications with each other. In particular, an apparatus, system, method and computer program product for secure ranging between at least two device... | 08/09/2011 |
| 7990542 | Memory-based high-speed interferometer An interferometer produces a first optical signal and a second optical signal interfering with each other. The optical signals are converted digital signals form addresses. A memory stores data values corresponding to the first and second optical signals, and in whi... | 08/02/2011 |
| 7986820 | Method for comparing features extracted from images of fingerprints Features are extracted from a test and reference image to generate a test and reference record. Each feature has a location, and orientation, and furthermore, the features of the reference records also have associated weights. The features of the test record are app... | 07/26/2011 |
| 7983496 | Inverse tone mapping for bit-depth scalable image coding adapted to variable block sizes A method performs inverse tone mapping of an image in a decoder. For each block of each color channel of the image a scaling factor is determined by adding a predicted scaling factor for the current block to a difference between the predicted scaling factor and the ... | 07/19/2011 |
