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CGG Announces its Q2 2021 Results
Paris, France | Jul 28, 2021Looking forward, following the soft first half of the year, activity is expected to strengthen in the second half of 2021 and onwards.
CGG GeoSoftware and AWS Collaborate to Bring Benefits of Cloud Geoscience Technologies to E&P in China
CGG GeoSoftware and Amazon Web Services (AWS) are extending their collaboration in the global E&P industry to China.
Model misspecification and bias in the least-squares algorithm: Implications for linearized isotropic AVO
This paper shows how to calculate the bias due to misspecified models in least-squares parameter estimation. It introduces Omitted Variable Bias (OVB), a technique well known in least-squares analysis in the context of econometric data analysis. OVB is applied to the analysis of linearized isotropic AVO models, both analytically and numerically. For misspecified models, such as two-term AVO fitting with large angle range or with large contrasts, OVB provides relations between the biased and unbiased least-squares model parameters. A Jupyter notebook and binder link let’s the reader apply the ideas presented to their own AVO models.
The latest from HampsonRussell: Usage of synthetical data in deep and convolutional neural networks
The latest from HampsonRussell: Usage of synthetical data in deep and convolutional neural networks
