CHOOSING REGULARIZATION PARAMETER BY GLOBAL L-CURVE CRITERION

• 발행기관: 충청수학회
• 저자명: SeYoung Oh SunJoo Kwon
• 간행물 정보: 『Journal of the Chungcheong Mathematical Society』Volume 30, No. 1, 117~128쪽, 전체 12쪽
• 주제분류: 자연과학 > 자연과학일반
• 파일형태: PDF
• 발행일자: 2017.02.28

국문 초록

As an efficient way to determine the regularization pa-rameter in the discrete ill-posed problems with multiple right-hand sides, we suggest global L-curve criterion as an extension of L-curve technique for image restoration problems with single right-hand side.

목차

1. Introduction

2. Review of the L-curve

3. Global L-curve criterion for regularization parameters

4. Numerical experiments

5. Conclusions

키워드

Tikhonov regularization L-curve criterion global L-curve preconditioned Gl-CGLS image deblurring.