4 citations · 4 across the 1 of their papers we have counts for
4 papers
How I learned to stop worrying and love the curse of dimensionality: an appraisal of cluster validation in high-dimensional spaces
Brian A. Powell
The failure of the Euclidean norm to reliably distinguish between nearby and distant points in high dimensional space is well-known. This phenomenon of distance concentration manif…
Securing LSB embedding against structural steganalysis
Brian A. Powell
This work explores the extent to which LSB embedding can be made secure against structural steganalysis through a modification of cover image statistics prior to message embedding.…
Detecting malicious logins as graph anomalies
Brian A. Powell
Authenticated lateral movement via compromised accounts is a common adversarial maneuver that is challenging to discover with signature- or rules-based intrusion detection systems.…
The Lyth Bound and the End of Inflation
Richard Easther, William H. Kinney, Brian A. Powell
We derive an extended version of the well-known Lyth Bound on the total variation of the inflaton field, incorporating higher order corrections in slow roll. We connect the field v…