1. An ultrasonic 3D object recognition method based on the unified neural network theory;Watanabe,1992
2. An ultrasonic multi-element sensor system for position invariant object identification;Vossiek,1994
3. Three-dimensional target recognition via sonar: a neural network model;Dror;Neural Networks,1995
4. 3D shape recognition system by ultrasonic sensor array and genetic algorithms;Baba,2004
5. Shape recognition for transparent objects using ultrasonic sensor array;Ohtani,2007