US PATENT SUBCLASS 382 / 286
.~ Measuring image properties (e.g., length, width, or area)

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

276  DF  IMAGE TRANSFORMATION OR PREPROCESSING {13}
286.~ Measuring image properties (e.g., length, width, or area) {4}
287  DF  .~.~> Detecting alignment marks
288  DF  .~.~> Determining center of gravity or moment
289  DF  .~.~> Determining amount an image is rotated or skewed {1}
291  DF  .~.~> Determining the position of an object {1}

DEFINITION

Classification: 382/286

Measuring image properties (e.g., length, width, or area):

(under subclass 276) Subject matter encompassing the extraction of physical properties exhibited by imaged objects such as length, width, thickness, size, area, shape, and boundary points to aid in later processing.

(1) Note. For those features that are extracted from an image specifically for the purpose of recognizing pattern*s, subclasses 91+ take precedence.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

372, 387 for the optical measurement of various properties of objects.

358, Facsimile,

449, for the detection of document size in a facsimile system.

364, Electrical Computers and Data Processing Systems, 528.38, for a dimensional control system.

702, Data Processing: Measuring, Calibrating, or Testing,

155+, for dimensional determination by data processing.