AUTHOR=Lindeberg Tony TITLE=Approximation properties relative to continuous scale space for hybrid discretisations of Gaussian derivative operators JOURNAL=Frontiers in Signal Processing VOLUME=4 YEAR=2025 URL=https://www.frontiersin.org/journals/signal-processing/articles/10.3389/frsip.2024.1447841 DOI=10.3389/frsip.2024.1447841 ISSN=2673-8198