Detection of defects in highly attenuating materials using ultrasonic least-squares reverse time migration with preconditioned stochastic gradient descent
Jing Rao, Yangji Tao, Yan Sun, Cunjian Miao, Wenlong Wang
Topics & Concepts
Stochastic gradient descentComputer scienceLeast-squares function approximationGradient descentUltrasonic sensorAlgorithmMoment (physics)Image qualityAttenuationAcousticsMathematicsImage (mathematics)Artificial intelligenceOpticsPhysicsArtificial neural networkStatisticsClassical mechanicsEstimatorSeismic Imaging and Inversion TechniquesGeophysical Methods and ApplicationsSeismic Waves and Analysis