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Keywords: compression
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Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427631
... performance. In this paper, we present a new GPU compression algorithm to tackle this problem. We also give details on our CPU/GPU asynchrony strategy in order to boost the performance during the parallel executions and provide performance analysis using multi GPUs on multi nodes. In the end, we discuss...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428331
... In this work, we propose an approach to tackle the problem of three-dimensional post-stack seismic data compression using multi-resolution deep autoencoders, by training one specific compression networ per seismic volume. We feed a residual convolution neural network with 2D slices extracted...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3208024
... ABSTRACT This work develops a multi tone modeling for seismic data compression. First, seismic traces are described as multitone decaying sinusoidal waves superposition. Each sinusoidal wave is regarded as a model component and is represented by a set of distinct parameters. Secondly, a novel...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3207380
... ABSTRACT In recent years, deep Recurrent Neural Networks (RNNs) have been successfully applied to the prediction and processing of time series data. Since there exists significant temporal correlation among samples of seismic traces, RNNs are also potentially suitable for the compression...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3205392
... ABSTRACT Seismic data compression is highly demanded to reduce the cost for transmission and storage due to an enormous volume of collected data. This paper presents a prediction based compression for seismic data using deep neural networks (DNN) and entropy encoding. First, a DNN...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215665
... access protocol. ACWG uses data compression to achieve better performance in terms of geophone lifetime and latency. ACWG includes a distributed cluster formation technique that enables the self-organization of wireless geophones. Furthermore, a master geophone serves the cluster by performing major...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216395
... Migration techniques particularly demanding in terms of disk input/output performance. To face this issue, a common solution is to compress wavefield information in order to reduce input/output operations overhead. In this paper we propose a couple of wavefield compression methods based on Convolutional...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2994837
... characterization bulk modulus plastic strain bulk moduli seg international exposition compression matrix Agnolin , I. , and J. N. Roux , 2007 , Internal states of model isotropic granular packings — III. Elastic properties : Physical Review E — Statistical, Nonlinear, and Soft Matter...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998185
... ABSTRACT In a geophysical exploration survey, thousands of geophones are deployed where each geophone must transmit hundreds of recording over a narrow band channel to a fusion center. A lightweight compression technique for geophones is required to reduce the data traffic to the center. We...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997062
... discuss about the use of lossy data compression in a Gaussian beam migration algorithm to handle smaller input volume and temporary data. To better represent seismic data, wavelet packet transform technics are used as a basis for the compression algorithm. Thanks to this technique we can achieve good...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996015
... digital wavelet transform kirchhoff migration depth migration gaussian beam depth migration gaussian beam migration wavelet migration data quality compression upstream oil & gas signal-to-noise ratio beam trace imaging beam migration coefficient velocity model seg...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998152
... ABSTRACT Modern seismic data surveys generate terabytes of data daily leading to a significant increase of the cost for storage and transmission. Therefore, it is desired to compress seismic data. In this work, we propose a model-based compression scheme to deal with the large data volume...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17674793
... location and focal mechanism of AE events. At last, we discover that the bedding plane is a dominant factor to affect the development of fractures and the induced AE events mainly come from the dilatation or compression of the fractures and the shear movements of rock along fracture plane. Presentation...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17750316
...This work is supported by the Center for Energy and Geo Processing (CeGP) at Georgia Tech and by King Fahd University of Petroleum and Minerals (KFUPM) Memory-Assisted compression of seismic data: tackling a large alphabet size problem by statistical methods Ali Payani, Afshin Abdi and Faramarz...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17443086
... ABSTRACT We describe a frequency-domain MPI-based multifrontal direct solver for numerical simulation of acoustic waves in 3D heterogeneous media. To reduce memory consumption and computational time at the factorization step, intermediate data are compressed with help of Low-Rank approximation...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17778842
... and surface variances yielded fractures of distinct effective permeability; 2) unique definition of the rough fracture cannot be resolved using flow and transport properties at a static compressional state; and 3) transport properties under different compressions could be used to better constrain the aperture...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17654139
...Effect of the Layer Orientation on Fracture Propagation of Longmaxi Shale under Uniaxial Compression using Micro-CT Scanning Minyue Zhou, Jijin Yang, Institute of Geology and Geophysics, Chinese Academy of Sciences (Beijing) Summary This study investigated the effect of the layer orientation...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13868122
... ABSTRACT This work considers the data compression of sequential seismic sensor arrays. First, the statistics of the seismic traces collected by all the sensors are modeled by using the mixture model. Hence, a distributed Principle Component Analysis (PCA) compression scheme for sequential...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13961378
... on the interfaces to connect neighboring subdomains via Robin boundary conditions. We use hierarchically semiseparable (HSS) compression to reduce the cost of factorizing the dense systems. The key novelty is an algorithm that avoids dense matrix storage and minimizes the matrix compression time by reusing...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13961828
... waveform inversion reconstruction reservoir characterization multilevel algorithm geophysics compression Beretta , E. , M. V. de Hoop , E. Francini , S. Vessella , and J. Zhai , 2014 , Uniqueness and lipschitz stability of an inverse boundary value problem...

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