Alitheon, Inc.

William Charles Shannon

David Justin Ross

Cheng Qian

The present disclosure teaches a method of utilizing image 'match points' to measure and detect changes in a physical object. In some cases 'degradation' or &#x201c;wear and tear&#x201d; of the physical object is assessed, while in other applications this disclosure is applicable to measuring intentional changes, such as changes made by additive or subtractive manufacturing processes, which may, for example, involve adding a layer or removing a layer by machining. A system may include a scanner, and a digital fingerprinting process, coupled to an object change computer server. The server is coupled to a datastore that stores class digital fingerprints, selected object digital fingerprints collected over time, match measurements, and deterioration metrics.

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Bellevue, WA, United States of America

William Charles Shannon