US PATENT SUBCLASS 382 / 254
IMAGE ENHANCEMENT OR RESTORATION

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

254IMAGE ENHANCEMENT OR RESTORATION {7}
255  DF  .~> Focus measuring or adjusting (e.g., deblurring)
256  DF  .~> Object boundary expansion or contraction {2}
260  DF  .~> Image filter {5}
266  DF  .~> Edge or contour enhancement {3}
270  DF  .~> Variable threshold, gain, or slice level {3}
274  DF  .~> Intensity, brightness, contrast, or shading correction
275  DF  .~> Artifact removal or suppression (e.g., distortion correction)

DEFINITION

Classification: 382/254

IMAGE ENHANCEMENT OR RESTORATION:

(under the class definition) Subject matter directed to the improvement of pictorial or image information so that the result is more suitable than the original information for human or machine interpretation.

SEE OR SEARCH CLASS

348, Television,

606, 624 for the reduction of noise or undesired signals in television.

358, Facsimile,

447, 454, 461, and 463 for various signal enhancing and noise reduction techniques used in facsimile systems.