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| Number | Title | Issue Date |
| 7280685 | Object segmentation from images acquired by handheld cameras A method determines a shape of an object in from an image. A visual hull larger than the object is constructed such that the object can be entirely contained within the visual hull. An image is acquired of the object by a camera. The visual hull is projected onto th... | 10/09/2007 |
| 7280559 | Distributed application layer protocol converter for communications network A method converts from a first application layer protocol to a second application layer protocol in a communications network. A request in the first application layer protocol is received from a requesting node in an application node. The request is sent to a conver... | 10/09/2007 |
| 7280561 | Dynamic asynchronous bandwidth allocation with multiple predictors for variable bit rate traffic With multiple predictors, a method dynamically allocates bandwidth to traffic having a variable data rate in a network. A first amount P-I of bandwidth is allocated in a first state of a state machine. A second amount P-II of bandwidth is allocated in a second state... | 10/09/2007 |
| 7263132 | Adaptive space-time transmit diversity coding for MIMO systems A method for transmitting a stream of data symbols in a multiple-input/multiple-output (MIMO) wireless communications system including Nr transmitting antennas. The stream of data symbols is first demultiplexed into M sub-streams, where M=Nr/2.... | 08/28/2007 |
| 7263472 | Hidden markov model based object tracking and similarity metrics A method models a set of trajectories of a set of objects; there is one trajectory for each object. A sequence of positions of each object is obtained over a duration of time to define a trajectory of the object. The sequence of positions is then projected to a hidd... | 08/28/2007 |
| 7252387 | System and method for mechanically adjusting projector pose with six degrees of freedom for image alignment A method adjusts a pose of a projector with respect to a display surface. A homography HD,P is determined between a display surface and a projector. The homography HD,P is decomposed into rotation and translation parameters expressing a pose M | 08/07/2007 |
| 7245718 | Low bandwidth zero knowledge authentication protocol and device A method authenticates di identities in parallel using two prime numbers p and q such that q|p−1. Each identity includes a private key si and a public key vi, and a publicly known generator is α such that αq≡1 (mod p... | 07/17/2007 |
| 7240834 | Real-time retail marketing system and method A marketing system and method for a retail environment periodically reads RFID tags attached to products to produce a list of product identifications. Consumer recommendation rules are updated according to each list, and recommendations are generated according to th... | 07/10/2007 |
| 7242818 | Position and orientation sensing with a projector A position and orientation of a projector are determined from projected images. First, a homography between a camera and a planar surface, where the relationship between the camera and planar surface is fixed, is determined. Next, a known pattern is projected on the... | 07/10/2007 |
| 7243063 | Classifier-based non-linear projection for continuous speech segmentation A method segments an audio signal including frames into non-speech and speech segments. First, high-dimensional spectral features are extracted from the audio signal. The high-dimensional features are then projected non-linearly to low-dimensional features that are ... | 07/10/2007 |
| 7230620 | Rendering deformable and animated surface reflectance fields A method renders a model of an object by first acquiring, in an acquisition space, a reflectance field of the object. The reflectance field includes a set of reflectance images of the object and a point model of the object. The model is deformed in an object space t... | 06/12/2007 |
| 7229023 | Radio and optical identification tags An identification tag is formed with a single microcircuit. The microcircuit includes an optical transceiver, a radio transceiver, both connected to a memory storing an identification code. At least one of the transceivers operates in receive mode, and at least one ... | 06/12/2007 |
| 7227903 | OFDM transmitter for generating FSK modulated signals An OFDM transmitter generates FSK symbols in a communications network. Complex values representing OFDM tones are partitioned in groups. A distinct energy is assigned to each group of complex values. An OFDM modulator is applied to the complex values having the assi... | 06/05/2007 |
| 7227592 | Self-correcting rear projection television In a rear projection television, cathode ray tubes are mounted inside an enclosure so that each cathode ray tube projects output images onto a rear projection screen using a corresponding electron beam. Calibration images are generated for each cathode ray tube. A c... | 06/05/2007 |
| 7218324 | Scene reflectance functions under natural illumination A method and system estimates a reflectance function of an arbitrary scene. The scene is illuminated under various lighting condition. For each lighting condition there is an associated illumination image and an observed image. Multiple, non-overlapping kernels are ... | 05/15/2007 |
| 7218792 | Stylized imaging using variable controlled illumination A method generates a stylized image. First, a set of images is acquired of a scene. Each image is acquired under a different lighting condition. Silhouette edges are detected in the set of images. Texture regions are identified in the set of images according to the ... | 05/15/2007 |
| 7218755 | Detecting temporally related components of multi-modal signals A method detects objects in a scene over time. Sets of time-aligned features are extracted from multiple signals representing a scene over time; each signal is acquired using a different modality. Each set of time-aligned features is arranged as a vector in a matrix... | 05/15/2007 |
| 7215340 | Object space EWA splatting of point-based 3D models A method renders a 3D model of a graphics object wherein the model includes discrete zero-dimensional points. A first opaque polygon is centered on each point, and the polygon is rendered to obtain depth values of a depth image in a z-buffer. A second polygon is cen... | 05/08/2007 |
| 7212664 | Constructing heads from 3D models and 2D silhouettes A method reconstructs or synthesizes heads from 3D models of heads and 2D silhouettes of heads. A 3D statistical model is generated from multiple real human heads. The 3D statistical model includes a model parameter in the form of basis vectors and corresponding coe... | 05/01/2007 |
| 7212651 | Detecting pedestrians using patterns of motion and appearance in videos A method detects a moving object in a temporal sequence of images. Images are selected from the temporally ordered sequence of images. A set of functions is applied to the selected images to generate a set of combined images. A linear combination of filters is appli... | 05/01/2007 |
| 7209438 | Method and system for assigning circuits to a new service request in a communications network A system and method selects a circuit to service an application request to transmit data over a network. The network includes one or more low and high bandwidth circuits. An average utilization is measured for each circuit in a circuit analyzer should the applicatio... | 04/24/2007 |
| 7209519 | Encoding a video with a variable frame-rate while minimizing total average distortion A method encodes a video as video objects. For each candidate object, a quantizer parameter and a skip parameter that jointly minimizes an average total distortion in the video are determined while satisfying predetermined constraints. The average total distortion i... | 04/24/2007 |
| 7206449 | Detecting silhouette edges in images A method detects silhouette edges in images. An ambient image is acquired of a scene with ambient light. A set of illuminated images is also acquired of the scene. Each illuminated image is acquired with a different light source illuminating the scene. The ambient i... | 04/17/2007 |
| 7197186 | Detecting arbitrarily oriented objects in images A method for detects a specific object in an image. An orientation of an arbitrary object with respect to an image plane is determined and one of a plurality orientation and object specific classifiers is selected according to the orientation. The arbitrary object i... | 03/27/2007 |
| 7194125 | System and method for interactively rendering objects with surface light fields and view-dependent opacity A method renders a model of a 3D object. A polygon model of the 3D object is generated, and a set of input images are acquired of the object. For each vertex of the polygon model, a set of visible views are located, and a set of closest views are selected from the v... | 03/20/2007 |
| 7190367 | Method, apparatus, and system for rendering using a progressive cache A method, apparatus, and system for rendering are disclosed. A rendering request is defined, where the rendering request describes an object to be rendered. A progressive cache is queried to determine a cached element most representing a display image satisfying the... | 03/13/2007 |
| 7191376 | Decoding Reed-Solomon codes and related codes represented by graphs A method decodes a soft-input cost function for an error-correcting code. First, the code is selected and its FSTFG representation is constructed. The representation is simplified, and an encoding method consistent with the representation is selected. A set of messa... | 03/13/2007 |
| 7179171 | Fish breeding toy for cellular telephones A cellular telephone breeding toy includes a memory storing genetic traits of corresponding breedable virtual fish. The memory also stores sets of image templates, there being at least one genetic trait associated with each image template. A keypad is used to select... | 02/20/2007 |
| 7176926 | Method for animating two-dimensional objects A method animates an object as a sequence of frames according to an animation script. The object is represented as a two-dimensional distance field. For each frame in the sequence of frames, a pose of the object is updated according to the animation script. The obje... | 02/13/2007 |
| 7170606 | Multi-way LED-based surface reflectance sensor and spectrophotometer A light sensor circuit based on direct connection of LEDs to I/O pins of a microcontroller. The LEDs are reverse biased and the parasitic junction capacitance is charged in an output mode. Then, the I/O pins placed into an high-impedance input mode. The time for the... | 01/30/2007 |
| 7170932 | Video transcoder with spatial resolution reduction and drift compensation A method and system reduces the spatial resolution of a compressed bitstream of a sequence of frames of a video signal by first decoding the frames, and storing the decoded frames in a first frame buffer. While performing the decoding, motion compensating is perform... | 01/30/2007 |
| 7171358 | Compression of language model structures and word identifiers for automated speech recognition systems A method compresses one or more ordered arrays of integer values. The integer values can represent a vocabulary of a language mode, in the form of an N-gram, of an automated speech recognition system. For each ordered array to be compressed, and an inverse array I[.... | 01/30/2007 |
| 7164784 | Edge chaining using smoothly-varying stereo disparity A method links edges in stereo images into chains which correspond to physical contours in a scene. First, edges are detected in the stereo images. Edges between the stereo images are matched, such that each edge has associated stereo matches. The edges are linked i... | 01/16/2007 |
| 7164779 | Privacy-enhanced display device A method displays an image only to an authorized user by generating a mask image from a data image. The data and mask image are then displayed periodically in an alternating manner on a display device by a select signal. The opening end shutting of an optical shutte... | 01/16/2007 |
| 7158167 | Video recording device for a targetable weapon A compact video image recording device which is mountable to a gun and useful for recording video images before and after the firing of the gun. The recording device includes a camera comprising a lens and a video image sensor. The video recording device is mounted ... | 01/02/2007 |
| 7158499 | Voice-operated two-way asynchronous radio A method and apparatus for communicating audio messages uses a two-way radio. An output audio message is asynchronously transmitted by generating a first acoustic signal in an input device of the radio. A determination is made whether the first acoustic signal is a ... | 01/02/2007 |
| 7154395 | Interactive wireless tag location and identification system A wireless location and identification system includes a controller and a tag. The controller has a projector configured to generate a unique temporal sequence of light intensities for each pixel in an output image of the projector and a wireless transceiver configu... | 12/26/2006 |
| 7142601 | Transcoding compressed videos to reducing resolution videos A method and system transcodes an input video to a lower spatial resolution. The input video is first decoded into pictures. Each picture includes a set of macroblocks. Each picture sub-sampled to a downscaled picture having a lower spatial resolution. A quantizatio... | 11/28/2006 |
| 7142726 | Three-dimensional scene reconstruction from labeled two-dimensional images A method constructs three-dimensional (3D) models of a scene from a set of two-dimensional (2D) input images. The 3D model can then be used to reconstruct the scene from arbitrary viewpoints. A user segments and labels a set of corresponding polygonal regions in eac... | 11/28/2006 |
| 7143352 | Blind summarization of video content A method summarizes unknown content of a video. First, low-level features of the video are selected. The video is then partitioned into segments according to the low-level features. The segments are grouped into disjoint clusters where each cluster contains similar ... | 11/28/2006 |
