Acoustic sentinel: hierarchical classification of footstep sound using fine and coarse-grain acoustic feature representations for tactical surveillance
Crossref DOI link: https://doi.org/10.1038/s41598-026-35756-3
Published Online: 2026-01-17
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Agrahri, Anshuman
Maurya, Chandresh Kumar
Tiwari, Ravi Shekhar
Tripathi, Shashwat
Text and Data Mining valid from 2026-01-17
Version of Record valid from 2026-02-10
Article History
Received: 23 June 2025
Accepted: 7 January 2026
First Online: 17 January 2026
Declarations
:
: The authors declare no competing interests.