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1. WO2020139442 - THREE-DIMENSIONAL FORWARD-LOOKING SONAR TARGET RECOGNITION WITH MACHINE LEARNING

Publication Number WO/2020/139442
Publication Date 02.07.2020
International Application No. PCT/US2019/055435
International Filing Date 09.10.2019
IPC
G01S 15/88 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
88Sonar systems specially adapted for specific applications
G01S 15/89 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
88Sonar systems specially adapted for specific applications
89for mapping or imaging
CPC
G01S 15/04
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
02using reflection of acoustic waves
04Systems determining presence of a target
G01S 15/86
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
86Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
G01S 15/89
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
15Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
88Sonar systems specially adapted for specific applications
89for mapping or imaging
G01S 7/52003
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
52of systems according to group G01S15/00
52003Techniques for enhancing spatial resolution of targets
G01S 7/53
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
52of systems according to group G01S15/00
523Details of pulse systems
526Receivers
53Means for transforming coordinates or for evaluating data, e.g. using computers
G01S 7/539
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
52of systems according to group G01S15/00
539using analysis of echo signal for target characterisation; Target signature; Target cross-section
Applicants
  • FARSOUNDER, INC. [US]/[US]
Inventors
  • ZIMMERMAN, Matthew, Jason
  • HENLEY, Heath
  • BERARD, Austin
  • LAPISKY, Evan
Agents
  • LEONARDO, Mark, S.
  • HYDE, Zachary, D.
  • KOCK, Annie, J.
  • MAGGIN, Benjamin, D.
  • MEYERS, Thomas, C.
Priority Data
62/743,76810.10.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) THREE-DIMENSIONAL FORWARD-LOOKING SONAR TARGET RECOGNITION WITH MACHINE LEARNING
(FR) RECONNAISSANCE DE CIBLE DE SONAR ORIENTÉE VERS L'AVANT EN TROIS DIMENSIONS À APPRENTISSAGE AUTOMATIQUE
Abstract
(EN)
Machine learning algorithms can interpret three-dimensional sonar data to provide more precise and accurate determination of seafloor depths and in-water target detection and classification. The models apply architectures for interpreting volumetric data to three-dimensional forward-looking sonar data. A baseline set of training data is generated using traditional image and signal processing techniques, and used to train and evaluate a machine learning model, which is further improved by additional inputs to improve both seafloor and in-water target detection.
(FR)
Des algorithmes d'apprentissage automatique peuvent interpréter des données de sonar tridimensionnelles pour fournir une détermination plus précise et exacte de profondeurs de fond marin et de détection et de classification de cible dans l'eau. Les modèles appliquent des architectures pour interpréter des données volumétriques en données de sonar orienté vers l'avant en trois dimensions. Un ensemble de ligne de base de données d'apprentissage est généré à l'aide de techniques classiques de traitement d'image et de signal, et utilisé pour entraîner et évaluer un modèle d'apprentissage automatique, qui est en outre amélioré par des entrées supplémentaires pour améliorer à la fois la détection de fond marin et de cible dans l'eau.
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