Adobe, Inc.

Nargol Rezvani

Shawn Alan Gaither

Michael F Kraley

Randy L Swineford

Nikolaos Barmpalios

Andrew Marc Greene

Ruchi Rajiv Deshpande

Systems and techniques for privacy preserving document analysis are described that derive insights pertaining to a digital document without communication of the content of the digital document. To do so, the privacy preserving document analysis techniques described herein capture visual or contextual features of the digital document and creates a stamp representation that represents these features without included the content of the digital document. The stamp representation is projected into a stamp embedding space based on a stamp encoding model generated through machine learning techniques capturing feature patterns and interaction in the stamp representations. The stamp encoding model exploits these feature interactions to define similarity of source documents based on location within the stamp embedding space. Accordingly, the techniques described herein can determine a similarity of documents without having access to the documents themselves.

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Sunnyvale, CA, United States of America

Nargol Rezvani