651-4096-02L  Inverse Theory II: Applications

SemesterSpring Semester 2021
LecturersA. Fichtner, C. Böhm
Periodicityyearly recurring course
Language of instructionEnglish
CommentPrerequisites: The successful completion of 651-4096-00L Inverse Theory I: Basics is mandatory.


651-4096-02 GInverse Theory II: Applications28s hrs
Wed/208:15-12:00NO F 11 »
A. Fichtner, C. Böhm

Catalogue data

AbstractThis second part of the course on Inverse Theory provides an introduction to the numerical solution of large-scale inverse problems. Specific examples are drawn from different areas of geophysics and image processing. Students solve various model problems using python and jupyter notebooks, and familiarize themselves with relevant open-source libraries and commercial software.
ObjectiveThis course provides numerical tools and recipes to solve (non)-linear inverse problems arising in nearly all fields of science and engineering. After successful completion of the class, the students will have a thorough understanding of suitable solution algorithms, common challenges and possible mitigations to infer parameters that govern large-scale physical systems from sparse data measurements.

Prerequisites for this course are (i) 651-4096-00L Inverse Theory: Basics, (ii) basic programming skills.
ContentThe class discusses several important concepts to solve (non)-linear inverse problems and demonstrates how to apply them to real-world data applications. All sessions are split into a lecture part in the first half, followed by tutorials using python and jupyter notebooks in the second. The range of covered topics include:

1. Regularization filters and image deblurring
2. Travel-time tomography
3. Line-search methods
4. Time reversal and Born’s approximation
5. Adjoint methods
6. Full-waveform inversion
Lecture notesPresentation slides and some background material will be provided.
Prerequisites / NoticeThis course is offered as a half-semester course during the second part of the semester

Performance assessment

Performance assessment information (valid until the course unit is held again)
Performance assessment as a semester course
ECTS credits3 credits
ExaminersA. Fichtner, C. Böhm
Typegraded semester performance
Language of examinationEnglish
RepetitionRepetition possible without re-enrolling for the course unit.
Additional information on mode of examinationReports on 5 out of 6 projects

Learning materials

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Offered in

Applied Geophysics MasterPeriod ETHZW+Information
Earth Sciences MasterElectivesWInformation
Computational Science and Engineering BachelorGeophysics: Subject 7WInformation
Computational Science and Engineering MasterGeophysics: Subject 7WInformation