A data transformation system transforms a data representation of an image displayed by an application such as a web browser. The system receives a data representation of an image. The system fetches a stored seed value associated with a user profile. The system performs a transformation of the data representation of the image based on the seed value. The seed value updates occasionally. Transforming the image using a sporadically-changing seed value reduces canvas-based fingerprinting granularity.
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West, Mike and Battré, Dominic, "REDUCING GRANULARITY OF BROWSER FINGERPRINTING TECHNIQUES", Technical Disclosure Commons, (January 19, 2016)