System for managing tiled images using multiple resolutions

Details System for managing tiled images using multiple resolutions System for managing tiled images using multiple resolutions

1995-11-16

1999-03-16

Tung, Kee M.

Computer graphics processing and selective visual display system

Computer graphic processing system

Integrated circuit

345501, 3952003, 382232, G06F 1300

Patent

active

RE0361453

ABSTRACT:
An image memory management system for tiled images. The system defines an address space for a virtual memory that includes an image data cache and a disk. An image stack for each source image is stored as a full resolution image and a set of lower-resolution subimages. Each tile of an image may exist in one or more of five different states as follows: uncompressed and resident in the image data cache, compressed and resident in the image data cache, uncompressed and resident on disk, compressed and resident on disk and not loaded but re-creatable using data from higher-resolution image tiles.

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"Addresss Generation and memory management for memory centered image processing systems" by Reader et al, pp. 88-96, Procedings of SPIE-The International Society for Optical Engineering, V757, Methods of Handling and Processing Imagery, Jan. 15-Jan 16, 1987.

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