| Patent application number | Description | Published |
|---|
| 20100098342 | DETECTING GEOGRAPHIC-AREA CHANGE USING HIGH-RESOLUTION, REMOTELY SENSED IMAGERY - A method, system, and medium are provided for detecting change in a geographic area. One embodiment includes receiving a set of remotely sensed imagery that depicts the geographic area, automatically identifying changes in physical features of the geographic area by comparing, without user intervention, the set of remotely sensed imagery to a dataset of previously stored remotely sensed imagery that also depicts the geographic area, and deriving a change-quality measurement associated with the set of remotely sensed imagery, wherein the change-quality measurement quantifies a suitability of comparison of the set of remotely sensed imagery to the previously stored remotely sensed imagery. | 04-22-2010 |
| 20100100548 | STORING CHANGE FEATURES DETECTED FROM HIGH-RESOLUTION, REMOTELY SENSED IMAGERY - A method, system, and medium are provided for identifying facilitating storage and retrieval of information associated with high-resolution, remotely sensed imagery. In one embodiment, a data structure includes information derived from change-detection information associated with remotely sensed imagery, which change-detection information is useable by the application program, and wherein the data structure includes a plurality of change indexes, each of which (1) indicates change in a given item from a first state to a second state and (2) is associated with a feature set that includes one or more of item-texture features and item-spectral features, wherein each of the change indexes is an entropy balanced statistical (EBS) k-d tree index that describes features associated with items within a geographic area that is reflected in the imagery, and wherein the features include one or more of the item-texture features and item-spectral features. | 04-22-2010 |
| 20100100835 | VISUALIZING GEOGRAPHIC-AREA CHANGE DETECTED FROM HIGH-RESOLUTION, REMOTELY SENSED IMAGERY - A method, system, and medium are provided for presenting aspects of change associated with a geographic area that has been captured by high-resolution, remotely sensed imagery. One embodiment of the method includes receiving a query directed at the geographic area that includes one or more inputs, the query seeking an identification of regions associated with the geographic area that are characterized by aspects of change based on the one or more inputs; applying the query to a dataset of geospatial information that stores imagery associated with the geographic area, wherein the dataset includes information that is sufficient to identify the regions, and wherein the imagery is derived from the high-resolution, remotely sensed imagery, which is characterized by having a resolution of three meters or less per pixel; receiving a first results set that includes a first plurality of keys and corresponding change scores, wherein, (1) each key is useable to identify a certain region, and (2) each change score indicates an amount of change in the certain region from a first state to a second state; and presenting at least a portion of the results set in a viewing application. | 04-22-2010 |
