Title   name
2007년 KSIAM 봄 학술대회
 
  Title
  Speaker   Ha, Taeyoung  
  Date 2007-05-25
  Host
  Place KAIST
  File  의 1 번째 Real Media 동영상입니다. 의 1 번째 강연자료입니다.
 
Abstract : For seismic imaging and inversion, the inverted image depends on how we define the objectfunction. `1-norm is more robust than `2-norm. However, it is difficult to apply the Newton-typealgorithm directly because the partial derivative for `1-norm has a singularity. To overcome thedifficulties of singularities, Huber function given by hybrid `1=`2-norm is used. We tested therobustness of our new object function with several noisy data set.