Method and apparatus for scaling interlaced images

Method and apparatus for scaling interlaced images

A method and apparatus for scaling interlaced video data allows the video data to be scaled to any desired size, either larger or smaller than the original image. The method considers each line of input data in each field sequentially, and determines whether the line is to be saved and whether the d...

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Hauptverfasser: JOHARY, ARUN, ROSENAU, MARK A
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator JOHARY
ARUN
ROSENAU
MARK A
description A method and apparatus for scaling interlaced video data allows the video data to be scaled to any desired size, either larger or smaller than the original image. The method considers each line of input data in each field sequentially, and determines whether the line is to be saved and whether the data lines in each successive field will also be saved, discarded, or duplicated, saving space in the output buffer for the saved and duplicated data lines to come as necessary. The method can accommodate interlaced data with N field and a scaling factor M. An apparatus for implementing the method for two header fields and scaling factor N is also described.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
title Method and apparatus for scaling interlaced images
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