US PATENT SUBCLASS 382 / 297
.~.~.~ Rotation of image is limited to 90 degrees, 180 degrees, or 270 degrees

Current as of: June, 1999
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382 /   HD   IMAGE ANALYSIS

276  DF  IMAGE TRANSFORMATION OR PREPROCESSING {13}
293  DF  .~ Changing the image coordinates {4}
296  DF  .~.~ To rotate an image {1}
297.~.~.~ Rotation of image is limited to 90 degrees, 180 degrees, or 270 degrees

DEFINITION

Classification: 382/297

Rotation of image is limited to 90, 180, or 270:

(under subclass 296) Subject matter wherein the coordinate transformation results in an image turned 90, 180, or 270 degrees relative to the original image.