| Patent Number |
Title Of Patent |
Date Issued |
| 7620208 |
System and method for detecting features from images of vehicles |
November 17, 2009 |
| A method of detecting a feature of a vehicle in an image of a vehicle includes providing a digitized image of a vehicle, providing a first filter mask over a first subdomain of the image, where the filter mask is placed to detect a feature in the image, calculating a function of a gr |
| 7616807 |
System and method for using texture landmarks for improved markerless tracking in augmented real |
November 10, 2009 |
| A method of tracking a pose of a moving camera includes receiving a first image from a camera, receiving a sequence of digitized images from said camera, recording, for each of said sequence of digitized images, the pose and 2D correspondences of landmarks, reconstructing a location and |
| 7602941 |
Component fusion for face detection |
October 13, 2009 |
| A system and method for object detection are provided where the system includes a component detection unit for detecting components in an image, a component fusion unit in signal communication with the component detection unit for fusing the components into an object, and a CPU in si |
| 7593547 |
Video-based encroachment detection |
September 22, 2009 |
| A method and system for video-based encroachment detection are provided, the method including receiving first and second images, modeling a background from the first image, subtracting the background from the second image to provide a detection map, calibrating the size of an object |
| 7574019 |
Method for scene modeling and change detection |
August 11, 2009 |
| A method for dynamic scene modeling and change detection applicable to motion analysis utilizes optical flow for capturing and modeling the dynamics of the scene. Uncertainties in the measurements are evaluated and utilized in order to develop a robust representation of the scene in |
| 7555046 |
Method and system for searching and verifying magnitude change events in video surveillance |
June 30, 2009 |
| A method for detecting events in a video sequence includes providing a video sequence, sampling the video sequence at regular intervals to form a series of snapshots of the sequence, measuring a similarity of each snapshot, measuring a similarity change between successive pairs of sn |
| 7499570 |
Illumination invariant change detection |
March 3, 2009 |
| A system and method for illumination invariant change detection are provided, the system including a processor, an energy ranking unit in signal communication with the processor for extracting block coefficients for the first and second images and computing an energy difference respo |
| 7466841 |
Method for traffic sign detection |
December 16, 2008 |
| A method for detecting and recognizing at least one traffic sign is disclosed. A video sequence having a plurality of image frames is received. One or more filters are used to measure features in at least one image frame indicative of an object of interest. The measured features are |
| 7458936 |
System and method for performing probabilistic classification and decision support using multidi |
December 2, 2008 |
| A system and method for providing decision support to a physician during a medical examination is disclosed. Data is received from a sensor representing a particular medical measurement. The received data includes image data. The received data and context data is analyzed with respect |
| 7457436 |
Real-time crowd density estimation from video |
November 25, 2008 |
| A system and method for automated and/or semi-automated analysis of video for discerning patterns of interest in video streams. In a preferred embodiment, the present invention is directed to identifying patterns of interest in indoor settings. In one aspect, the present invention deals |
| 7437006 |
Error propogation and variable-bandwidth mean shift for feature space analysis |
October 14, 2008 |
| The present invention comprises using error propagation for building feature spaces with variable uncertainty and using variable-bandwidth mean shift for the analysis of such spaces, to provide peak detection and space partitioning. The invention applies these techniques to construct |
| 7428337 |
Automatic design of morphological algorithms for machine vision |
September 23, 2008 |
| The present invention provides a technique for automated selection of a parameterized operator sequence to achieve a pattern classification task. A collection of labeled data patterns is input and statistical descriptions of the inputted labeled data patterns are then derived. Classi |
| 7336803 |
Method for scene modeling and change detection |
February 26, 2008 |
| A method for dynamic scene modeling and change detection applicable to motion analysis utilizes optical flow for capturing and modeling the dynamics of the scene. Uncertainties in the measurements are evaluated and utilized in order to develop a robust representation of the scene in |
| 7321386 |
Robust stereo-driven video-based surveillance |
January 22, 2008 |
| A method of tracking an object comprises providing a plurality of cameras, determining an image from each camera, and determining a common plane in the images. The method further comprises determining a parallax for scene points across the images, incorporating the parallax as a feature |
| 7294817 |
System and methods for determining nonuniformity correction parameters in detector-array imaging |
November 13, 2007 |
| An imaging system (110) for imaging a scene with a detector array (104) having an array of imaging elements is provided. The imaging system (110) includes an image estimation module (202) for generating a plurality estimates of uncorrupted images based upon a plurality of noisy images |
| 7260259 |
Image segmentation using statistical clustering with saddle point detection |
August 21, 2007 |
| A system and method for image segmentation using statistical clustering with saddle point detection includes representation means for representing the image data in a joint space of dimension d=r+2 that includes two special coordinates, where r=1 for gray-scale images, r=3 for color |
| 7200269 |
Non-rigid image registration using distance functions |
April 3, 2007 |
| A system and method for non-rigid image registration using distance functions includes portions for receiving a source shape into an image space, integrating a global linear registration model with local deformations to assess the source shape, optimizing a functional defined on a pa |
| 7167519 |
Real-time video object generation for smart cameras |
January 23, 2007 |
| An apparatus and method for video object generation and selective encoding is provided. The apparatus includes a detection module for detecting a first object in at least one image frame of a series of image frames; a tracking module for tracking the first object in successive image fram |
| 7139409 |
Real-time crowd density estimation from video |
November 21, 2006 |
| A system and method for automated and/or semi-automated analysis of video for discerning patterns of interest in video streams. In a preferred embodiment, the present invention is directed to identifying patterns of interest in indoor settings. In one aspect, the present invention deals |
| 7095890 |
Integration of visual information, anatomic constraints and prior shape knowledge for medical se |
August 22, 2006 |
| This invention relates to the integration of visual information, anatomic constraints, prior shape knowledge, and level set representations for the segmentation of medical images. An embodiment according to the present invention comprises a level set variational framework that uses a |
| 7095401 |
System and method for gesture interface |
August 22, 2006 |
| A method for determining a gesture includes determining a change in a background of an image from a plurality of images, determining a object in the image, determining a trajectory of the object through the plurality of images, and classifying a gesture according to the trajectory of |
| 7079992 |
Systematic design analysis for a vision system |
July 18, 2006 |
| A technique is disclosed for building a vision system. Reusable components and replacement components of an existing vision system are identified. The replacement components may be modules that are influenced by the relaxation in application constraints. Statistical characterization is |
| 7079674 |
Variational approach for the segmentation of the left ventricle in MR cardiac images |
July 18, 2006 |
| A system and method for segmenting cardiac images and, in particular, segmenting the left ventricle of the heart using a contour propagation model that integrates visual information and anatomical constraints. The visual information comprises a gradient vector flow-based boundary com |
| 7035465 |
Systems and methods for automatic scale selection in real-time imaging |
April 25, 2006 |
| A system and method for automatic scale selection in real-time image and video processing and computer vision applications. In one aspect, a non-parametric variable bandwidth mean shift technique, which is based on adaptive estimation of a normalized density gradient, is used for det |
| 7031523 |
Systems and methods for automatic scale selection in real-time imaging |
April 18, 2006 |
| A system and method for automatic scale selection in real-time image and video processing and computer vision applications. In one aspect, a non-parametric variable bandwidth mean shift technique, which is based on adaptive estimation of a normalized density gradient, is used for det |
| 7027643 |
Systems and methods for automatic scale selection in real-time imaging |
April 11, 2006 |
| A system and method for automatic scale selection in real-time image and video processing and computer vision applications. In one aspect, a non-parametric variable bandwidth mean shift technique, which is based on adaptive estimation of a normalized density gradient, is used for det |
| 7006950 |
Statistical modeling and performance characterization of a real-time dual camera surveillance sy |
February 28, 2006 |
| The present invention relates to a method for visually detecting and tracking an object through a space. The method chooses modules for a restricting a search function within the space to regions with a high probability of significant change, the search function operating on images s |
| 7006128 |
Object detection for sudden illumination changes using order consistency |
February 28, 2006 |
| A system and method for object detection with sudden illumination changes provides a system including a camera model unit for computing a difference map between a first input image and a second input image, an illumination model unit in signal communication with the camera model unit |
| 6999004 |
System and method for vehicle detection and tracking |
February 14, 2006 |
| A system and method for vehicle detection and tracking in tunnels is provided. The method comprises the steps of capturing a plurality of image frames viewing at least one traffic lane; extracting at least one feature from the plurality of image frames; detecting at least one object |
| 6829391 |
Adaptive resolution system and method for providing efficient low bit rate transmission of image |
December 7, 2004 |
| A client-server system and method that enables efficient, low bit rate transmission of image data over a network from an image server (e.g., active cameras) to a client for, e.g., distributed surveillance. A detection and tracking module detects a human presence within an observation |
| 6590999 |
Real-time tracking of non-rigid objects using mean shift |
July 8, 2003 |
| A method and apparatus for real-time tracking of a non-rigid target. The tracking is based on visual features, such as color and/or texture, where statistical distributions of those features characterize the target. A degree of similarity (.rho.(y.sub.0)) is computed between a given targ |
