Patent application number | Description | Published |
20080232709 | METHOD AND APPARATUS FOR REGISTRATION AND VECTOR EXTRACTION OF SAR IMAGES BASED ON AN ANISOTROPIC DIFFUSION FILTERING ALGORITHM - A computer system for registering synthetic aperture radar (SAR) images includes a database for storing SAR images to be registered, and a processor for registering SAR images from the database. The registering includes selecting first and second SAR images to be registered, individually processing the selected first and second SAR images with an anisotropic diffusion algorithm, and registering the first and second SAR images after the processing. A shock filter is applied to the respective first and second processed SAR images before the registering. Elevation data is extracted based on the registered SAR images. | 09-25-2008 |
20080319723 | EXEMPLAR/PDE-BASED TECHNIQUE TO FILL NULL REGIONS AND CORRESPONDING ACCURACY ASSESSMENT - A geospatial modeling system may include a geospatial data storage device, and a processor cooperating with the geospatial data storage device for selectively inpainting data into at least one void in geospatial model data using a partial differential equation (PDE) algorithm and an exemplar algorithm. | 12-25-2008 |
20090085915 | GEOSPATIAL MODELING SYSTEM PROVIDING USER-SELECTABLE BUILDING SHAPE OPTIONS AND RELATED METHODS - A geospatial modeling system may include a geospatial model data storage device, a user input device, and a display. A processor may be included for cooperating with the geospatial model data storage device, the user input device and the display for displaying a geospatial model data set on the display including at least one group of building data points, and displaying a plurality of user-selectable different building shapes on the display based upon the at least one group of building data points. The plurality of user-selectable different building shapes may have different respective feature detail levels. The processor may further replace the at least one group of building data points with a given one of the user-selectable different building shapes based upon user selection thereof with the user input device. | 04-02-2009 |
20090089017 | GEOSPATIAL MODELING SYSTEM PROVIDING INPAINTING AND ERROR CALCULATION FEATURES AND RELATED METHODS - A geospatial modeling system may include a geospatial model data storage device and a processor. The processor may cooperate with the geospatial model data storage device for identifying a plurality of localized error regions within a geospatial model data set, calculating an overall error value for the geospatial model data set, and inpainting at least one of the localized error regions and re-calculating the overall error value, and stopping inpainting when the overall error value is below an error threshold. | 04-02-2009 |
20090089018 | GEOSPATIAL MODELING SYSTEM PROVIDING BUILDING GENERATION BASED UPON USER INPUT ON 3D MODEL AND RELATED METHODS - A geospatial modeling system may include a geospatial model data storage device, a user input device, a display, and a processor cooperating with the geospatial model data storage device, the user input device and the display for displaying a three-dimensional (3D) geospatial model data set on the display, displaying a building boundary around a user-selected building area responsive to the user input device, and generating a histogram of height values within the selected building area. The processor may also be for determining a building height based upon the histogram of height values, generating a building shape based upon the user-selected building area and the determined building height, and replacing data within the user-selected building area based upon the building shape. | 04-02-2009 |
20090106000 | GEOSPATIAL MODELING SYSTEM USING VOID FILLING AND RELATED METHODS - A geospatial modeling system may include a geospatial model data storage device and a processor cooperating therewith for determining a void within a geospatial model data set defining a void boundary region, and selecting at least one raw fill region from within the geospatial model data set for filling the void. The processor may also cooperate with the geospatial model data storage device for adjusting elevation values of the at least one raw fill region based upon elevation differences between corresponding portions of the void boundary region and the at least one raw fill region, and updating the geospatial model based upon the adjusted elevation values of the at least one raw fill region. | 04-23-2009 |
20100232654 | METHOD FOR RECONSTRUCTING IRIS SCANS THROUGH NOVEL INPAINTING TECHNIQUES AND MOSAICING OF PARTIAL COLLECTIONS - A method and system for reconstructing iris scans for iris recognition is provided. A plurality of iris collection images of an iris is received. A single iris image of the iris is reconstructed using at least two of the plurality of iris collection images. Mosaicing may be used to combine at least two of the plurality of iris collection images into a single iris image. Inpainting methods, including PDE-based and exemplar-based techniques, may also be used to fill in area of missing information in an iris image. | 09-16-2010 |
20110110580 | GEOSPATIAL MODELING SYSTEM FOR CLASSIFYING BUILDING AND VEGETATION IN A DSM AND RELATED METHODS - A geospatial modeling system may include a geospatial model database configured to store a digital surface model (DSM) of a geographical area, and to store image data of the geographical area. The image data may have a spectral range indicative of a difference between buildings and vegetation. The geospatial modeling system may also include a processor cooperating with the geospatial model database to separate bare earth data from remaining building and vegetation data in the DSM to define a building and vegetation DSM. The processor may also register the image data with the building and vegetation DSM, and classify each point of the building and vegetation DSM as either building or vegetation based upon the spectral range of the image data. | 05-12-2011 |
20110144962 | GEOSPATIAL MODELING SYSTEM PROVIDING ENHANCED FOLIAGE VOID REGION INPAINTING FEATURES AND RELATED METHODS - A geospatial modeling system may include a geospatial model database and a processor cooperating with the geospatial model database. The processor may be configured to determine void regions in a geospatial data set including foliage data points and bare earth data points, where each void region has a boundary and at least one bare earth data point therein. The processor may also be configured to inpaint additional bare earth data points into each void region based upon bare earth data points outside the boundary and the at least one bare earth data point therein. | 06-16-2011 |
20120179432 | GEOSPATIAL MODELING SYSTEM PROVIDING POISSON-BASED VOID INPAINTING AND RELATED METHODS - A geospatial modeling system may include a geospatial model data storage device and a processor cooperating with the geospatial model data storage device for inpainting seam-smoothed, void-fill data into a void in a geospatial data set for a geospatial region. The processor may select raw void-fill data from the geospatial data set, and generate the seam-smoothed, void-fill data by applying Poisson's equation to the raw void-fill data using boundary conditions based upon data along a corresponding interface between the void region and adjacent portions of the geospatial region. | 07-12-2012 |
20120179433 | GEOSPATIAL MODELING SYSTEM PROVIDING POISSON-BASED GEOSPATIAL DATA SET MERGING AND RELATED METHODS - A geospatial modeling system may include a geospatial model data storage device, and a processor cooperating with the geospatial model data storage device for merging first and second geospatial data sets for corresponding first and second geospatial regions. The processor may be for generating seam-smoothed geospatial data for a corresponding selected geospatial region between adjacent portions of the first and second geospatial regions by applying Poisson's equation to data from at least one of the first and second geospatial data sets for the selected geospatial region using boundary conditions based upon data along corresponding interfaces between the selected geospatial region and adjacent portions of the first and second geospatial regions. | 07-12-2012 |