Aural Based Scene Understand for Sonar Applications

Project: Research project

Project Details


Investigation of sonar returns using an information theoretic framework allows for feature extraction and scene parsing. We seek to characterize seabed and oceanographic features ranging from nearly stationary to episodic whether spatially or temporally. The approach will examine the information in individual and combined sonar echo returns as it pertains to forming auditory objects that combine to form a scene. In particular, we will investigate the application of summary statistics in auditory perception as a means for representing underlying scene characteristics such as sand ripples, gravel beds, or sea grass. We will explore ways to encode, compactly store, and update streaming auditory data that both establishes a capability for background/object separability yet is sensitive to background changes.

Effective start/end date8/1/19 → …


  • U.S. Navy: $280,000.00


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