Image analysis – Image transformation or preprocessing – Image storage or retrieval
Reexamination Certificate
2006-10-03
2006-10-03
Patel, Kanjibhai (Department: 2625)
Image analysis
Image transformation or preprocessing
Image storage or retrieval
C709S203000, C715S734000
Reexamination Certificate
active
07116843
ABSTRACT:
Apparatus and method for rapid interactive viewing of a digital image over a network. A client computer displays a view of an image. The image is originally resident on a server computer. The client computer maintains a cache, initially empty, of image blocks already obtained from the server. When the client computer is asked to render a view of a particular portion of the image at a particular resolution, it first ascertains if any image blocks in the image-block cache intersect the requested view. It then computes the residual area of the view resulting from subtracting out from the view the intersecting portions of cached image blocks, and, if the residual area is positive, downloads from the server computer a set of image blocks comprising the residual portion of the view at the given resolution.
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Minner Richard T.
Wensley Paul
Faegre & Benson LLP
Patel Kanjibhai
Quark, Inc.
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