International Conference

2015


Full Waveform Inversion of Deep-sea Field Seismic Data Acquired with Limited-offsets
Yongchae Cho, Eunjin Park, Changsoo Shin, Jangwoo Kim, Satish Singh, SEG, 2015.10

Application of Full Waveform Inversion to Real Marine Dataset
Jaejoon Lee, Changsoo Shin, SEG, 2015.10

The Strategy for Iterative Direct Waveform Inversion (IDWI)
Changsoo Shin, Jungmin Kwon, Yoonseo Park, SEG, 2015.10

Frequency-domain Waveform Inversion for Acoustic-elastic Coupled Media Using a Symmetric Impedance Matrix
Jangwoo Kim, Jungkyun Shin, Changsoo Shin, SEG, 2015.10

Laplace Domain Full Waveform Inversion Using Single Damping Constant
Yoonseo Park, Jungkyun Shin, Sungmin Jeon, Hyojoon Jin, Changsoo Shin, EAGE, 2015.06

Laplace-domain Waveform Inversion for the 3D Acoustic-elastic Coupled Media
Jungkyun Shin, Hyojoon Jin, Yoonseo Park, Changsoo Shin, EAGE, 2015.06

2014


A split formulation of the Nearly Perfectly Matched Layer for an acoustic wave equations using the Discontinous Galerkin Method
Hyunseo Park, Jaejoon Lee, Kunwoo Lee, Changsoo Shin, SEG, 2014.10

Weighted Pseudo-Hessian Matrix for Frequency-Domain Elastic Full Waveform Inversion
Hyunggu Jun, Jangwoo Kim and Changsoo Shin, SEG, 2014.10

Laplace-domain Full Waveform Inversion using a Low-frequency Time-domain Extrapolator
Eunjin Park, Wansoo Ha, Jiwoong Kim and Changsoo Shin, SEG, 2014.10

3D Laplace-domain Full Waveform Inversion using CUDA
Jeongmin Kwon, Jungkyun Shin, Wansoo Ha, Changsoo Shin, EAGE, 2014.06

Full Waveform Inversion Using the Energy Objective Function
Seongmin Jeon, Wansoo Ha, Jeongmin Kwon and Changsoo Shin, EAGE, 2014.06

2013


Application  of frequency-domain homotopy inversion to real data
Sangmin Kwak, Youngseo Kim, Changsoo Shin, SEG, 2013.09

2D elastic time-Laplace-Fourier-domain hybrid full waveform inversion
Hyunggu Jun, Youngseo Kim, Jungkyun Shin, Changsoo Shin, SEG, 2013.09

Elastic Laplace-Fourier domain inversion for complex land sites
Jewoo Yoo, Jaejoon Lee, Changsoo Shin, Henri Calandra, SEG, 2013.09

Efficient Laplace-domain modeling using adaptive meshing for  foothill environments
Jungkyun Shin, Jaejoon Lee, Youngseo Kim, Changsoo Shin, SEG, 2013.09

Laplace-Fourier waveform inversion for coupled media using  staggered grid modeling
Jungkyun Shin, Hyunggu Jun, Youngseo Kim, Changsoo Shin, SEG, 2013.069

Grouping of Complex-valued Frequencies in the Laplace-Fourier Domain Waveform Inversion
Yu ji Kim, Sangmin Kwak, Wansoo Ha, Changsoo Shin, EAGE, 2013.06

2012


3D Hybrid Waveform Inversion with GPU devices
Youngseo Kim, H. Calandra, and Changsoo Shin, SEG, 2012.11

Weighting Schemes for the Frequency-Domain Wavefield inversion
Ugeun Jang, and Changsoo Shin, SEG, 2012.11

Frequency-domain reverse time migration using the logarithm and the L1 norm of a wavefield
Jeeun Lee, Youngseo Kim, and Changsoo Shin, SEG, 2012.11

Elastic reverse-time migration using the Helmholtz decomposition in the time domain
Jungkyun Shin, Wookeen Chung, and Changsoo Shin, SEG, 2012.11

Efficient Laplace-domain modeling using an axis transformation technique
Wansoo Ha, Taeyoung Ha, and Changsoo Shin, SEG, 2012.11

Efficient full waveform inversion using a cyclic shot sampling method
Wansoo Ha, and Changsoo Shin, SEG, 2012.11

A new algorithm adapting encoded simultaneous-source full waveform inversion to the marine streamer data
Soohyun Son, Sukjoon Pyun, Donghyuk Jang, Yunhui Park, and Changsoo Shin, SEG, 2012.11

Frequency-domain elastic modeling and full waveform inversion in the logarithminc grid set
Seungwoo Choi, Dong-Joo Min, Wookeen Chung, and Changsoo Shin, SEG, 2012.11

Waveform inversion using blocky parameterization in the Laplace domain
Changsoo Shin, and Hong Lee, EAGE, 2012.06

2011


Elastic full waveform inversion using the time-stacked shot gathers
Wookeen Chung and Changsoo Shin,SEG, 2011.09

Frequency-domain elastic reverse-time migration using wave-field seperation
Wookeen Chung, Sukjoon Pyun, Ho Seuk Bae, and Changsoo Shin, SEG, 2011.09

Efficient velocity estimation in the Laplace domain using gain control
Wansoo Ha, Jewoo Yoo, and Changsoo Shin,  SEG, 2011.09

Guass-Newton-CG technique for acoustic-elastic coupled media
Ho Seuk Bae, Sukjoon Pyun, Wookeen Chung, Seung Goo Kang, and Changsoo Shin, SEG, 2011.09

Hybrid waveform inversion technique for coupled acoustic-elastic media
Seung Goo Kang, Ho Seuk Bae, and Changsoo Shin, SEG, 2011.09

3D Laplace-domain modeling, including configuration of the sea bottom using the Gaussian quadrature method of integration
Byoung Joon Yoon, Wansoo Ha, Woohyun Son, Changsoo Shin, and H. Calandra, SEG, 2011.09

Freqeuncy-domain homotopy inversion using the perturbation theory
Sangmin Kwak, Youngseo Kim, and Changsoo Shin, SEG, 2011.09

Frequency-domain reverse time migration using the L1-norm
Jee Eun Lee, Youngseo Kim, and Changsoo Shin, SEG, 2011.09

Full waveform inversion: A diffuse optical tomography point of view
Sunyoung Park, M.V. Hoop, H. Calandra, and Changsoo Shin, SEG, 2011.09

Recovering long wavelenth of the velocity model using waveform inversion in the Laplace domain: Application to field data
H. Calandra, C. Rivera, Changsoo Shin, Sukjoon Pyun, Youngseo Kim, and Wansoo Ha, SEG, 2011.09

3D CSEM modeling and inversion algorithms for a surface-to-borehole survey
Yonghyun Chung, Jeongsul Son, Taejong Lee, Heejoon Kim, and Changsoo Shin, SEG, 2011.09

Full Waveform Inversion in Laplace Domain, Application to Field Data
Henri Calandra, Changsoo Shin, and Christian Rivera, ICIAM, 2011.07

The comparison between refraction-travel time tomography and Laplace-domain waveform inversion
Ho Seuk Bae, Sukjoon Pyun, Changsoo Shin, H. Calandra, EAGE, 2011.05

A mathematical study of the human mind
Changsoo Shin, Wansoo Ha, Wookeen Chung, and Sunyoung Park, WSEAS, 2011.03

2010


Equivalent source distribution for efficient 3D acoustic wave-equation modeling in the Laplace domain
Sukjoon Pyun, and Changsoo Shin,SEG, 2010.10

Application of the Laplace-domain inversion using irregular finite elements in a complex foothills environment
Youngseo Kim, Changsoo Shin, and Henri Calandra, SEG, 2010.10

A strategy for selecting the Laplace damping constants in the Laplace-domain inversion, based on the relationship between the Laplace damping constant and the detectable depth of a high-velocity structure
Sunyoung Park, Wansoo Ha, Changsoo Shin, Sukjoon Pyun, and Henri Calandra, SEG, 2010.10

A time-domain waveform inversion using filtering techniques
Minkyung Son, Youngseo Kim, and Changsoo Shin, SEG, 2010.10

2D waveform inversion in the Laplace domain for acoustic-elastic coupled media
Wookeen Chung, Changsoo Shin, Sukjoon Pyun, and Henri Calandra,SEG, 2010.10

3D acoustic waveform inversion in the Laplace domain using an iterative solver
Sukjoon Pyun, Woohyun Son, and Changsoo Shin,SEG, 2010.10

Source estimation and direct wave reconstruction for the Laplace-domain waveform inversion of deepwater seismic data
Nam-Hyung Koo, Changsoo Shin,Dongkweon Lee, Keun-Pil Park, and Ho-Young Lee, SEG, 2010.10

2D elastic waveform inversion in the Laplace domain
Ho Seuk Bae, Changsoo Shin, Dong-Joo Min, and Henri Calandra, SEG, 2010.10

Full waveform inversion in the Laplace and Laplace-Fourier domains
Changsoo Shin, Wansoo Ha, Wookeen Chung, and Ho Seuk Bae, EAGE, 2010.06

Waveform inversion in the Laplace and Laplace-Fourier domains
Changsoo Shin, and Wansoo Ha, EGU, 2010.05

2009


Sequentially ordered single-frequency 2-D acoustic waveform inversion in the Laplace-Fourier domain
Nam-Hyung Koo, Changsoo Shin, Young Ho Cha, and Keun-Pil Park, SEG, 2009.10

2D Laplace-domain waveform inversion using adaptive finite element method
Young Ho Cha, and Changsoo Shin, SEG, 2009.10

2D Laplace-Fourier-domain full waveform inversion for both velocity and density models: An experience of the 2004 BP velocity-analysis benchmark dataset
Young Ho Cha, and Changsoo Shin, SEG, 2009.10

Robustness of Laplace-domain waveform inversion for coherent noisy data
Wansoo Ha, Sukjoon Pyun, Jewoo Yoo, and Changsoo Shin, SEG, 2009.10

Frequency-domain reverse-time migration with source estimation
Youngseo Kim, Dong-Joo Min, and Changsoo Shin, SEG, 2009.10

Waveform inversion using blocky parameterization in the Laplace domain
Hong Lee, Changsoo Shin, E.Robein, H.Calandra, EAGE, 2009.06

Frequency-domain waveform inversion using an L1-norm objective function
Sukjoon Pyun, Changsoo Shin, Woo-Huyn Son, EAGE, 2009.06

2008


Frequency-domain elastic waveform inversion with irregular surface topography
Ugeun Jang, Dong-Joo Min, Yunseok Choi, Changsoo Shin, SEG, 2008.11

A comparative study of cascaded frequency-selection strategies for 2D frequency-domain acoustic waveform inversion
Hobum Cho, Dong-Joo Min, Young Ho Cha, Changsoo Shin, Seungwon Ko, SEG, 2008.11

2-D, frequency-domain waveform inversion of coupled acoustic-elastic media with an irregular interface
Myung Hoon Kim, Yoonseok Choi, Young Ho Cha, Changsoo Shin, SEG, 2008.11

Improved logarithmic waveform inversion considering the power-spectrum of the wavefield
Youngseo Kim, Young Ho Cha, Changsoo Shin, Seungwon Ko, Youngtak Seo, SEG, 2008.11

3D elastic full waveform inversion in the Laplace domain
Sukjoon Pyun, Changsoo Shin, Hong Lee, Dongwoo Yang, SEG, 2008.11

The direct-removal method of waveform inversion in the Laplace domain for deep-sea environments
Dongkweon Lee, Young Ho Cha, Changsoo Shin, SEG, 2008.11

2007


Robust seismic waveform inversion using back-propagation algorithm
Wookeen Chung, Taeyoung Ha, Wansoo Ha, Changsoo Shin, SEG, 2007.09

Frequency-domain elastic full-waveform inversion using the new pseudo-Hessian matrix: Elastic Marmousi-2 synthetic test
Yunseok Choi, Changsoo Shin, Dong-Joo Min, SEG, 2007.09

2006


Two-way vs One-way: A case study style comparison
J.B. Bednar, C.J. Bednar, Changsoo Shin, SEG, 2006.10

Application of refraction tomography algorithms to real data
Wansoo Ha, Sukjoon Pyun, Changsoo Shin, Dong-Joo Min, SEG, 2006.10

Waveform inversion of a stacked section using an exploding reflector concept
Changsoo Shin, Dong-Joo Min, Taeyoung Ha, SEG, 2006.10

Two dimensional magnetotelluric inversion via reverse time migration algorithm
Taeyoung Ha, Changsoo Shin, SEG, 2006.10

Conventional vs. Cepstral based amplitude and phase only full waveform inversion
Changsoo Shin, J.B. Bednar, EAGE, 2006.06

Conventional vs. Cepstral full waveform inversion
Changsoo Shin, J.B. Bednar, EAGE, 2006.06

The impact of low frequencies in optimization and inverse scattering based wavefield inversion
J.B. Bednar, Changsoo Shin, C. Bednar, EAGE, 2006.06

Comparison of regularization techniques for waveform inversion
Ugeun Jang, Changsoo Shin, Dong-Joo Min, EAGE, 2006.06

2005


Phase inversion of seismic data with unknown source wavelet: synthetic examples
Wonsik Kim, Changsoo Shin, SEG, 2005.11

2004


Electric resistivity inversion via reverse time migration of seismic data
Taeyoung Ha, Dong-Joo Min, Changsoo Shin, Sukjoon Pyun, SEG, 2004.10

Phase inversion of seismic data
Wonsik Kim, Changsoo Shin, Keunpil Park, SEG, 2004.10

Efficient calculation of steepest descent direction of source signature independent waveform inversion of logarithmic wavefield
Taegong Seo, Changsoo Shin, Dong-Joo Min, Sangyong Suh, SEG, 2004.10

Efficient calculation of steepest descent direction for source-independent waveform inversion using normalized wavefield by convolution
Snons Cheong, Changsoo Shin, Sukjoon Pyun, Dong-Joo Min, Sangyong Suh, SEG, 2004.10

Refraction tomography using backpropagation technique of reverse time migration
Dong-Joo Min, Changsoo Shin, SEG, 2004.10

2003


Refraction traveltime tomography using damped monochromatic wavefield
Sukjoon Pyun, Changsoo Shin, Fusion Tech., 2003.11

Phase inversion of seismic data
Wonsik Kim, Changsoo Shin, Keunpil Park, Fusion Tech., 2003.11

Efficient calculation method of derivative of traveltime using SWEET algorithm for refraction tomography
Yunseok Choi, Changsoo Shin, SEG, 2003.10

An up and down talk in the two-way walk
J.Bee Bednar, J. Stein, Kwangjin Yoon, Changsoo Shin, SEG, 2003.10

Waveform inversion using time-windowed back propagation
Kwangjin Yoon, Changsoo Shin, K.J.Marfurt, SEG, 2003.10

Refraction tomography using damped monochromatic wavefield
Sukjoon Pyun, Changsoo Shin, SEG, 2003.10

One way vs Two way wave equation imaging – Is two-way worth it?
Kwangjin Yoon, Changsoo Shin, J. Bee Bednar,  Larry Lines, EAGE, 2003.06

2002


Problems of constructing the approximate Hessian in waveform inversion
Taeyoung Ha, Changsoo Shin, SEG, 2002.10

3D reverse-time migration using acoustic wave equation: An experience of SEG/EAGE data set
Kwangjin Yoon, Changsoo Shin, Sangyong Suh, Larry R. Lines, Soonduk Hong, SEG, 2002.10

Free surface boundary condition in finite-difference elastic wave modeling
Dong-Joo Min, Changsoo Shin, Hai Soo Yoo, Jong Kuk Hong, Min-Kyu Park, EAGE, 2002.05

2001


Three dimensional traveltime and amplitude computation using SWEET algorithm
Dongwoo Yang, Changsoo Shin, Cheolsoo Park, Kwangjin Yoon, Jeongho Kim, SEG, 2001.09

Three-dimensional traveltime calculation using mono-chromatic three dimensional one-way wave equation
Changsoo Shin, Wonsik Kim, Kwangjin Yoon, Soonduk Hong, Sungryul Shin, Seungwon Ko, R.P.Bording, SEG, 2001.09

Direct arrival time calculation using an angular constant velocity model in polar coordinate
Harry Lim, Changsoo Shin, Jung Hee Suh, J.Bee Bednar, SEG, 2001.09

Traveltime and amplitude calculation for isotropic and anisotropic elastic media by using suppressed wave equation
Youngho Cha, Changsoo Shin, Jung Hee Suh, Harry Lim, SEG, 2001.09

2000


Travel time calculation using monochromatic one-way wave equation
Sungryul Shin, Changsoo Shin, Wonsik Kim, SEG, 2000.09

Efficient calculation of partial derivative wavefield using reciprocity for seismic imaging and inversion
Changsoo Shin, Kwangjin Yoon, Kurt J.Marfurt, SEG, 2000.09

1996


Hessian matrices, diffraction tomography and multiple suppression
R.G. Pratt, Changsoo Shin, EAGE, 1996.06

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