3 papers
physics.ins-det2026
Valley-peak modulation in phase space: a law-invariant VPM and its theta-function structure
Aaron J. Hendrickson, David P. Haefner
Valley-peak modulation (VPM) was introduced as a metric for quantifying read noise in deep sub-electron read noise (DSERN) CMOS image sensors. In its original amplitude-domain defi…
physics.ins-det2025
Initialization-robust characterization of deep sub-electron read noise pixels via annealed PCH-EM
Aaron J. Hendrickson, David P. Haefner
We present an annealed Photon Counting Histogram Expectation Maximization (PCH-EM) algorithm for maximum likelihood characterization of Deep Sub-Electron Read Noise (DSERN) pixels.…
stat.AP2025
Beyond Discretization: A Continuous-Time Framework for Event Generation in Neuromorphic Pixels
Aaron J. Hendrickson, David P. Haefner
A novel continuous-time framework is proposed for modeling neuromorphic image sensors in the form of an initial canonical representation with analytical tractability. Exact simulat…