APPARATUS AND METHOD FOR ROTATING IMAGE WITHOUT USING MEMORY
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United States of America Patent
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Issued Date -
Dec 23, 2010
app pub date -
Jun 17, 2010
filing date -
Jun 19, 2009
priority date (Note) -
Abandoned
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Abstract
An image rotation method without using a memory includes the steps of: reading, by a JPEG encoder, an input image having m×n macroblocks (wherein “m” and “n” are natural numbers); rotating image data of the respective macroblocks by a predetermined angle in a predetermined direction when encoding in the JPEG encoder; assigning and inputting a sequence of each rotated image data when encoding in the JPEG encoder; instructing the macroblocks to be output in a sequence changed from an initial input sequence of the macroblocks through use of a program when decoding in a JPEG decoder; and outputting an image rotated by the predetermined angle in the predetermined direction.
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