Maryland's Defense Patent Database

The defense community in Maryland is an R&D powerhouse.

Use this database to see the innovative patents that are poised for commercialization.

System and method for storing and retrieving tiled image data

Patent image

System for storing and retrieving tiled image data. System and method store a record in an image file for each tile at a zoom level, create a lookup table for the record, store a null value in the lookup table when there are no tile records at the row and the column of the lookup table, omit a row from the lookup table when there are no tile records in the table row, create an index file having a null value for each omitted rows, and retrieve an address for a specific tile by seeking the row associated with the record in the index file, reading a value, positioning the lookup table according to the index value if the value is non-null, seeking the column associated with the record, reading an address associated with the record, and retrieving the tile associated with the record at the address.

Sample, John T.; Ioup, Elias Z. K.
Patent Number: 
Technical domain: 
IT and Software
FIle Date: 
Grant Date: 
Grant time: 
854 days
Grant time percentile rank: 
Claim count percentile rank: 
Citations percentile rank: 
'Cited by' percentile rank: