School of Engineering
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Assistant Professor of Computer Science and, by courtesy, of Electrical Engineering
Professor of Electrical Engineering and of Geophysics
Current Research and Scholarly InterestsResearch
My students and I study the surfaces of Earth and planets using radar remote sensing methods. Our specialization is interferometric radar, or InSAR. InSAR is a technique to measure mm-scale surface deformation at fine resolution over wide areas, and much of our work follows from applying this technique to the study of earthquakes, volcanoes, and human-induced subsidence. We also address global environmental problems by tracking the movement of ice in the polar regions. whose ice mass balance affects sea level rise and global climate. We participate in NASA space missions such as Cassini, in which we now are examining the largest moon of Saturn, Titan, to try and deduce its composition and evolution. Our work includes experimental observation and modeling the measurements to best understand processes affecting the Earth and solar system. We use data acquired by spaceborne satellites and by large, ground-based radar telescopes to support our research.
I teach courses related to remote sensing methods and applications, and how these methods can be used to study the world around us. At the undergraduate level, these include introductory remote sensing uses of the full electromagnetic spectrum to characterize Earth and planetary surfaces and atmospheres, and methods of digital image processing. I also teach a freshman and sophomore seminar course on natural hazards. At the graduate level, the courses are more specialized, including the math and physics of two-dimensional imaging systems, plus detailed ourses on imaging radar systems for geophysical applications.
InSAR Review Board, NASA Jet Propulsion Laboratory (2006-present); editorial board, IEEE Proceedings (2005-present); NRC Earth Science and Applications from Space Panel on Solid Earth Hazards, Resources, and Dynamics (2005-present); Chair, Western North America InSAR (WInSAR) Consortium (2004-06); organizing committee, NASA/NSF/USGS InSAR working group; International Union of Radioscience (URSI) Board of Experts for Medal Evaluations (2004-05); National Astronomy and Ionospheric Center, Arecibo Observatory, Visiting Committee, (2002-04; chair, 2003-04); NASA Alaska SAR Facility users working group (2000-present); associate editor, IEEE Transactions on Geoscience and Remote Sensing (1998-present); fellow, IEEE (1998)
Lecturer, Management Science and Engineering
BioJiaona Zhang (JZ) is a Product Lead at Airbnb, where she has built and led several supply-side teams, including Host Growth, Mobile Hosting, Host Quality, and Host Success. Her teams have launched major products like Superhost and Airbnb Plus. Prior to Airbnb, JZ was a PM at Dropbox and mobile gaming company Pocket Gems. Before product management, she worked in private equity, strategy, and economic consulting across a number of firms. JZ holds a BA from Yale University.
Associate Professor of Mechanical Engineering and, by courtesy, of Materials Science and Engineering
BioProfessor Zheng received her Ph.D. in Mechanical & Aerospace Engineering from Princeton University (2006), B.S. in Thermal Engineering from Tsinghua University (2000). Prior to joining Stanford in 2007, Professor Zheng did her postdoctoral work in the Department of Chemistry and Chemical Biology at Harvard University. Professor Zheng is a member of MRS, ACS and combustion institute. Professor Zheng received the TR35 Award from the MIT Technology Review (2013), one of the 100 Leading Global Thinkers by the Foreign Policy Magazine (2013), 3M Nontenured Faculty Grant Award (2013), the Presidential Early Career Award (PECASE) from the white house (2009), Young Investigator Awards from the ONR (2008), DARPA (2008), Terman Fellowship from Stanford (2007), and Bernard Lewis Fellowship from the Combustion Institute (2004).
Roseanna N. Zia
Assistant Professor of Chemical Engineering and, by courtesy, of Mechanical Engineering
Current Research and Scholarly InterestsThe Zia Group seeks answers to 3 Grand Challenge questions utilizing theory and computational analysis of complex fluids:
1. Understand the mechanical nature of the origin of life.
2. Elucidate the mechanics of the (colloidal) glass transition and kinetic arrest.
3. Develop generalized non-equilibrium fluctuation-dissipation theory for soft matter.
Though seemingly disparate avenues of inquiry, they are deeply and surprisingly connected by fluid and suspension mechanics.
Visiting Assistant Professor, Computer Science
Current Research and Scholarly InterestsThe primary focus of my research is to teach computers to reconstruct and analyze our world at frame rate based on visual input. My research tackles the underlying static as well as dynamic reconstruction problems based on novel mathematical models and fast algorithms. To this end, I develop key technology to invert the image formation models of computer graphics based on data-parallel optimization and state-of-the-art deep learning techniques.