Patent application number | Description | Published |
20080231502 | METHOD AND APPARATUS FOR PROCESSING SAR IMAGES BASED ON AN ANISOTROPIC DIFFUSION FILTERING ALGORITHM - A computer system for processing synthetic aperture radar (SAR) images includes a database for storing SAR images to be processed, and a processor for processing a SAR image from the database. The processing includes determining noise in a SAR image to be processed, selecting a noise threshold for the SAR image based on the determined noise, and mathematically adjusting an anisotropic diffusion algorithm based on the selected noise threshold. The adjusted anisotropic diffusion algorithm is applied to the SAR image. | 09-25-2008 |
20080231503 | METHOD AND APPARATUS FOR COMPRESSION OF SAR IMAGES - A computer system for compressing synthetic aperture radar (SAR) images includes a database for storing SAR images to be compressed, and a processor for compressing a SAR image from the database. The compressing includes applying an anisotropic diffusion algorithm to the SAR image, and compressing the SAR image after applying the anisotropic diffusion algorithm thereto. Applying the anisotropic diffusion algorithm includes determining noise in the SAR, selecting a noise threshold for the SAR image based on the determined noise, and mathematically adjusting the anisotropic diffusion algorithm based on the selected noise threshold. | 09-25-2008 |
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 |
20080234982 | METHOD AND APPARATUS FOR DECOMPRESSION OF SAR IMAGES - A computer system for decompressing synthetic aperture radar (SAR) images includes a database for storing SAR images to be decompressed, and a processor for decompressing a SAR image from the database. The decompressing includes receiving the SAR image, performing a dynamic range compression on the SAR image, and quantizing the compressed SAR image. The quantized compressed SAR image is then decompressed by applying an anistropic diffusion algorithm thereto. | 09-25-2008 |
20080270031 | GEOSPATIAL MODELING SYSTEM PROVIDING DATA THINNING OF GEOSPATIAL DATA POINTS AND RELATED METHODS - A geospatial modeling system may include a geospatial database for storing geospatial data points each having respective elevations associated therewith. The system may further include a processor for data thinning the geospatial data points by selecting discriminant points therefrom. The processor may select discriminant points based upon: (a) identifying a current patch having a plurality of spaced-apart current geospatial data boundary points; (b) selecting a current discriminant point within the current patch based upon sequentially stepping through the geospatial data points therein to determine respective elevation differences relative to the current geospatial boundary points and comparing the elevation differences to a threshold range; (c) identifying a plurality of new patches, each having a plurality of spaced-apart new geospatial boundary points including the current discriminant point; and (d) iteratively repeating steps (b) and (c) for each of the new patches until no further new discriminant point is selected. | 10-30-2008 |
20080273759 | Geospatial Modeling System Providing Non-Linear Inpainting for Voids in Geospatial Model Terrain Data and Related Methods - A geospatial modeling system may include a geospatial model database and a processor. The processor may cooperate with the geospatial model database for inpainting data into at least one void in geospatial model terrain data based upon propagating contour data from outside the at least one void into the at least one void. | 11-06-2008 |
20080285885 | Geospatial Modeling System Providing Non-Linear Inpainting for Voids in Geospatial Model Cultural Feature Data and Related Methods - A geospatial modeling system may include a geospatial model database and a processor. More particularly, the processor may cooperate with the geospatial model database for inpainting data into at least one void in geospatial model cultural feature data based upon propagating contour data from outside the at least one void into the at least one void. | 11-20-2008 |
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 |
20090083005 | GEOSPATIAL MODELING SYSTEM PROVIDING VOID INPAINTING BASED UPON SELECTABLE INPAINTING FUNCTIONS 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 selecting and transforming a reference sample of a geospatial model frequency domain data set into a corresponding reference sample geospatial model spatial domain data set, and inpainting data into at least one void of the geospatial model frequency domain data set based upon an initial selected inpainting function from among a plurality of different inpainting functions. The processor may further select and transform a test sample of the inpainted geospatial model frequency domain data set into a corresponding test sample geospatial model spatial domain data set, and compare the reference sample geospatial model spatial domain data set and the test sample geospatial model spatial domain data set to determine whether to repeat the inpainting using a different inpainting function from among the plurality thereof. | 03-26-2009 |
20090083008 | GEOSPATIAL MODELING SYSTEM PROVIDING INPAINTING WITH STOPPING METRIC 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 selecting and transforming a reference sample of a geospatial model frequency domain data set into a corresponding reference sample geospatial model spatial domain data set, where the geospatial model frequency domain data set has at least one void therein. The processor may further cooperate with the geospatial model data storage device for iteratively inpainting data into the at least one void in the geospatial model frequency domain data set to generate an inpainted geospatial model frequency domain data set, selecting and transforming a test sample of the inpainted geospatial model frequency domain data set into a corresponding test sample geospatial model spatial domain data set, and comparing the reference sample geospatial model spatial domain data set and the test sample geospatial model spatial domain data set to determine whether to stop the iterative inpainting. | 03-26-2009 |
20090083012 | GEOSPATIAL MODELING SYSTEM PROVIDING WAVELET DECOMPOSITION AND INPAINTING 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 wavelet decomposing at least one geospatial model frequency domain data set having at least one void therein to define a plurality of scaled versions of the geospatial model frequency domain data set. Moreover, the processor may further cooperate with the geospatial model data storage device for inpainting data into the at least one void to define a plurality of inpainted scaled versions of the geospatial model frequency domain data set, and reconstructing the plurality of inpainted scaled versions of the geospatial model frequency domain data set into a reconstructed geospatial model frequency domain data set. | 03-26-2009 |
20090083291 | GEOSPATIAL MODELING SYSTEM PROVIDING WINDOWED GEOSPATIAL MODEL DATA INPAINTING 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 windowing geospatial model spatial domain data to define a plurality of windowed geospatial model spatial domain data sets, and transforming the plurality of windowed geospatial model spatial domain data sets to define a plurality of corresponding geospatial model frequency domain data sets, each having at least one void therein. The processor may further cooperate with the geospatial model data storage device for inpainting data into the at least one void of each geospatial model frequency domain data set to define a plurality of inpainted geospatial model frequency domain data sets, and reconstructing the plurality of inpainted geospatial model frequency domain data sets into an overall geospatial model frequency domain data set. | 03-26-2009 |
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 |
20090210205 | GEOSPATIAL MODELING SYSTEM PROVIDING SIMULATED TREE TRUNKS AND BRANCHES FOR GROUPS OF TREE CROWN VEGETATION POINTS AND RELATED METHODS - A geospatial modeling system may include a geospatial model data storage device containing geospatial model data including a plurality of groups of tree crown vegetation points and a display. The system may further include a processor cooperating with the geospatial model data storage device and the display for displaying a simulated tree trunk beneath a group of tree crown vegetation points, and displaying at least one level of simulated tree branches for the simulated tree trunk. Each tree branch may be positioned based upon determining a branch distal reference point beneath a cluster of tree crown vegetation points from among the group of tree crown vegetation points. | 08-20-2009 |
20100118053 | GEOSPATIAL MODELING SYSTEM FOR IMAGES AND RELATED METHODS - A geospatial modeling system may include a geospatial model database for storing images of a geographical area and a reference digital surface model (DSM) of the geographical area. The images each have associated with them respective first geolocation data with a first accuracy. The reference DSM may include second geolocation data with a second accuracy being greater than the first accuracy. The geospatial modeling system may further include a processor cooperating with the geospatial model database for generating an initial DSM based upon overlapping portions of the images, and aligning the initial DSM based upon the reference DSM to generate a georeferenced DSM having a third accuracy greater than the first accuracy. | 05-13-2010 |
20100177095 | GEOSPATIAL MODELING SYSTEM FOR REDUCING SHADOWS AND OTHER OBSCURATION ARTIFACTS AND RELATED METHODS - A geospatial modeling system may include a geospatial model database having stored therein an initial three-dimensional (3D) model of a geographical area, and an initial image for the geographical area. The initial image may have actual shadow portions. The geospatial modeling system may also include a processor cooperating with the geospatial model database and configured to generate estimated shadow portions for the initial 3D model, generate a shadow difference between the estimated shadow portions and the actual shadow portions, and reduce the actual shadow portions of the initial image based upon the shadow difference to generate a corrected image. | 07-15-2010 |
20100182316 | GEOSPATIAL MODELING SYSTEM FOR 3D CLUTTER DATA AND RELATED METHODS - A geospatial modeling system may include a geospatial model database having stored therein an initial three-dimensional (3D) digital surface model of a geographical area, and two-dimensional (2D) clutter data files for respective different types of possible non-building clutter. The geospatial modeling system may also include a processor cooperating with the geospatial model database to generate an updated digital surface model including 3D clutter data within and being based upon the initial digital surface model and the 2D clutter data files. | 07-22-2010 |
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 |
20100232659 | METHOD FOR FINGERPRINT TEMPLATE SYNTHESIS AND FINGERPRINT MOSAICING USING A POINT MATCHING ALGORITHM - A method and system for fingerprint template synthesis from multiple fingerprint images is provided. A first set of minutiae points is extracted from a first fingerprint image. A second set of minutiae points is extracted from a second fingerprint image. The orientation is calculated for a plurality of minutiae points selected from the first set of minutiae points based on the first fingerprint image. Simulated points are added to the first set of minutiae points, wherein simulated points are created based on the location and orientation of minutiae points in the plurality of minutiae points. The first set of minutiae points and the second set of minutiae points are registered and the first set of minutiae points and the second set of minutiae points are combined. | 09-16-2010 |
20100238165 | GEOSPATIAL MODELING SYSTEM FOR COLORIZING IMAGES AND RELATED METHODS - A geospatial modeling system includes a geospatial model database having stored therein a colorized three-dimensional (3D) model of a geographical area, and a processor cooperating with the geospatial model database. The processor is configured to generate an estimated monochromatic image corresponding to a collected monochromatic image based upon the colorized 3D model, generate a monochromatic difference image between the estimated monochromatic image and the collected monochromatic image, and generate a colorized image corresponding to the collected monochromatic image based upon the monochromatic difference image. | 09-23-2010 |
20100241406 | GEOSPATIAL MODELING SYSTEM PROVIDING BUILDING ROOF TYPE IDENTIFICATION FEATURES AND RELATED METHODS - A geospatial modeling system may include a geospatial model database and a processor. The processor may cooperate with the geospatial database for identifying a building roof type defined by building roof data points as being from among a plurality of possible building roof types. This may be done based upon applying multi-directional gradient calculations to the building roof data points. | 09-23-2010 |
20110044513 | METHOD FOR N-WISE REGISTRATION AND MOSAICING OF PARTIAL PRINTS - A method and system for synthesizing multiple fingerprint images into a single synthesized fingerprint template. Sets of features are extracted from each of three or more fingerprint images. Pair-wise comparisons identifying correspondences between sets of features are performed between each set of features and every other set of features. Transformations (translation and rotation) for each set of features are simultaneously calculated based on the pair-wise correspondences, and each set of features is transformed accordingly. A synthesized fingerprint template is generated by simultaneously registering the transformed sets of features. | 02-24-2011 |
20110044514 | AUTOMATIC IDENTIFICATION OF FINGERPRINT INPAINTING TARGET AREAS - A system and method for inpainting areas in a fingerprint image is provided. The method includes the steps of dividing a fingerprint image into a plurality of image blocks ( | 02-24-2011 |
20110047377 | SECURE DIGITAL COMMUNICATIONS VIA BIOMETRIC KEY GENERATION - Systems and methods for secure communications in a communications network ( | 02-24-2011 |
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 |
20110262013 | FINGERPRINT MATCHER USING ITERATIVE PROCESS AND RELATED METHODS - A method may be for operating a fingerprint matcher receiving reference fingerprint data. The fingerprint matcher may include a memory and a controller cooperating therewith. The method may include determining ridge flow direction magnitude values for each block of input fingerprint data using the memory and controller, and iteratively identifying blocks of the input fingerprint data in which the respective ridge flow direction magnitude values exceed an iteratively decremented threshold until reaching a stopping point thereby defining a final set of identified blocks of the input fingerprint data using the memory and controller. The method may also include determining a match between the reference fingerprint data and the final set of identified blocks of the input fingerprint data using the memory and controller. | 10-27-2011 |
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 |
20130046471 | SYSTEMS AND METHODS FOR DETECTING CRACKS IN TERRAIN SURFACES USING MOBILE LIDAR DATA | 02-21-2013 |
20130144565 | ACCURACY-BASED SIGNIFICANT POINT DERIVATION FROM DENSE 3D POINT CLOUDS FOR TERRAIN MODELING - Method includes calculating a mean z coordinate value for points within the point cloud. An initial set of points is selected which have z coordinate values which deviate from the mean by at least an initial value. Thereafter, a triangulated irregular network (TIN) is constructed using the initial set of points. The method continues by determining if there is a significant point that exists among the points contained within an x, y extent of each triangle. If so, the TIN is updated to include the initial set of points and any significant points determined to exist within the triangles that form the TIN. Thereafter, the method continues by repeating the determining and the updating steps until there are no additional significant points found within the triangles. | 06-06-2013 |
20130156307 | SYSTEMS AND METHODS FOR EFFICIENTLY AND ACCURATELY DETECTING CHANGES IN SPATIAL FEATURE DATA | 06-20-2013 |
20130156323 | SYSTEMS AND METHODS FOR EFFICIENT FEATURE EXTRACTION ACCURACY USING IMPERFECT EXTRACTORS | 06-20-2013 |
20130159924 | SYSTEMS AND METHODS FOR EFFICIENT SPATIAL FEATURE ANALYSIS | 06-20-2013 |
20130202193 | FRACTAL METHOD FOR DETECTING AND FILLING DATA GAPS WITHIN LIDAR DATA - Method for improving the quality of a set of a three dimensional (3D) point cloud data representing a physical surface by detecting and filling null spaces ( | 08-08-2013 |
20130230219 | SYSTEMS AND METHODS FOR EFFICIENT COMPARATIVE NON-SPATIAL IMAGE DATA ANALYSIS | 09-05-2013 |
20130230250 | SYSTEMS AND METHODS FOR EFFICIENT FEATURE BASED IMAGE AND VIDEO ANALYSIS | 09-05-2013 |
20130231897 | SYSTEMS AND METHODS FOR EFFICIENT ANALYSIS OF TOPOGRAPHICAL MODELS | 09-05-2013 |
20130232419 | SYSTEMS AND METHODS FOR EFFICIENT VIDEO ANALYSIS | 09-05-2013 |
20150088427 | METHOD FOR HYDROCARBON RECOVERY WITH CHANGE DETECTION AND RELATED APPARATUS - A method for predicting hydrocarbon recovery in a subterranean formation may include generating pre-heating data associated with fracturing in a sample from the subterranean formation, heating the sample with RF power to cause additional fracturing in the sample, and generating post-heating data associated with additional fracturing in the sample after heating with RF power. The method may also include detecting change between the pre-heating data and post-heating data, and predicting hydrocarbon recovery from the subterranean formation based upon the detected change. | 03-26-2015 |
20150088479 | METHOD FOR HYDROCARBON RECOVERY WITH A FRACTAL PATTERN AND RELATED APPARATUS - A method for predicting hydrocarbon recovery in a subterranean formation may include generating pre-heating data associated with fracturing in a sample from the subterranean formation, determining a first fractal pattern based upon the pre-heating data, and heating the sample with RF power to cause additional fracturing in the sample. The method may include generating post-heating data associated with additional fracturing in the sample after heating with RF power, determining a second fractal pattern based upon the post-heating data, detecting change between the first fractal pattern and the second fractal pattern, and predicting hydrocarbon recovery from the subterranean formation based upon the detected change. | 03-26-2015 |