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Signal processing and imaging

Deterministic non-periodic sampling layouts for reconstruction and sensor geometry.

Overview

Regular sampling can create artifacts; random sampling can be hard to control. Aperiodic layouts offer another family of deterministic patterns to test against reconstruction, denoising, compression, and imaging pipelines.[4][2]

Tile centroids as a deterministic non-periodic sampling layout
Sampling layout. Each tile centroid is a reproducible sample point — an alternative to regular grids and jittered noise for imaging and sensor-array experiments.
  • Sampling theory, compression, denoising, and reconstruction
  • Radar, sonar, MRI, CT, and sensor-array geometry experiments
  • Comparisons with grids, jittered samples, blue-noise patterns, and quasi-periodic layouts

See also

Moiré and aliasing, Waves, acoustics, and photonics

Categories: Research frontiers