Linking Automated Data Analysis and Visualization with Applications in Developmental Biology and High-Energy Physics
- Technical Univ. of Darmstadt (Germany)
Knowledge discovery from large and complex collections of today's scientific datasets is a challenging task. With the ability to measure and simulate more processes at increasingly finer spatial and temporal scales, the increasing number of data dimensions and data objects is presenting tremendous challenges for data analysis and effective data exploration methods and tools. Researchers are overwhelmed with data and standard tools are often insufficient to enable effective data analysis and knowledge discovery. The main objective of this thesis is to provide important new capabilities to accelerate scientific knowledge discovery form large, complex, and multivariate scientific data. The research covered in this thesis addresses these scientific challenges using a combination of scientific visualization, information visualization, automated data analysis, and other enabling technologies, such as efficient data management. The effectiveness of the proposed analysis methods is demonstrated via applications in two distinct scientific research fields, namely developmental biology and high-energy physics.Advances in microscopy, image analysis, and embryo registration enable for the first time measurement of gene expression at cellular resolution for entire organisms. Analysis of high-dimensional spatial gene expression datasets is a challenging task. By integrating data clustering and visualization, analysis of complex, time-varying, spatial gene expression patterns and their formation becomes possible. The analysis framework MATLAB and the visualization have been integrated, making advanced analysis tools accessible to biologist and enabling bioinformatic researchers to directly integrate their analysis with the visualization. Laser wakefield particle accelerators (LWFAs) promise to be a new compact source of high-energy particles and radiation, with wide applications ranging from medicine to physics. To gain insight into the complex physical processes of particle acceleration, physicists model LWFAs computationally. The datasets produced by LWFA simulations are (i) extremely large, (ii) of varying spatial and temporal resolution, (iii) heterogeneous, and (iv) high-dimensional, making analysis and knowledge discovery from complex LWFA simulation data a challenging task. To address these challenges this thesis describes the integration of the visualization system VisIt and the state-of-the-art index/query system FastBit, enabling interactive visual exploration of extremely large three-dimensional particle datasets. Researchers are especially interested in beams of high-energy particles formed during the course of a simulation. This thesis describes novel methods for automatic detection and analysis of particle beams enabling a more accurate and efficient data analysis process. By integrating these automated analysis methods with visualization, this research enables more accurate, efficient, and effective analysis of LWFA simulation data than previously possible.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 982922
- Report Number(s):
- LBNL-3155E; TRN: US1004557
- Resource Relation:
- Related Information: Designation of Academic Dissertation: doctoral thesis; Academic Degree: Dr. rer. Nat.; Name of Academic Institution: University of Kaiserslautern; Location of Academic Institution: Kaiserslautern, Germany
- Country of Publication:
- United States
- Language:
- English
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Coupling Visualization and Data Analysis for Knowledge Discovery from Multi-dimensional Scientific Data
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Related Subjects
43 PARTICLE ACCELERATORS
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
97 MATHEMATICS AND COMPUTING
ACCELERATION
ACCELERATORS
BIOLOGY
DATA ANALYSIS
DETECTION
DIMENSIONS
EMBRYOS
EXPLORATION
GENES
LASERS
MANAGEMENT
MEDICINE
MICROSCOPY
PARTICLE BEAMS
PHYSICS
RESOLUTION
SIMULATION
TIME MEASUREMENT
Visualization
Data Analysis
Scientific Visualization
Information Visualization
Linking Visualization and Analysis
3D Gene Expression
Laser Wakefield Particle Acceleration