astronomy

Henrik I. Christensen

Henrik I. Christensen is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Henrik I. Christensen rather than just read about it. In short: Henrik Iskov Christensen (born July 16, 1962 in Frederikshavn, Denmark) is a Danish roboticist and Professor of Computer Science at Dept. of Computer Science and Engineering, at the UC San Diego Jacobs School of Engineering. He is also the Director of the Contextual Robotics Institute at UC San Diego.

Key takeaways

Henrik I. Christensen belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Henrik I. Christensen to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Henrik I. Christensen from memory before moving on to harder problems.

Reference excerpt

Henrik Iskov Christensen (born July 16, 1962 in Frederikshavn, Denmark) is a Danish roboticist and Professor of Computer Science at Dept. of Computer Science and Engineering, at the UC San Diego Jacobs School of Engineering. He is also the Director of the Contextual Robotics Institute at UC San Diego. Before UC San Diego, he was a Distinguished Professor of Computer Science in the School of Interactive Computing at the Georgia Institute of Technology. At Georgia Tech, Christensen served as the founding director of the Institute for Robotics and Intelligent Machines (IRIM@GT) and the KUKA Chair of Robotics. Previously, Christensen was the Founding Chairman of European Robotics Research Network (EURON) and an IEEE Robotics and Automation Society Distinguished Lecturer in Robotics.

Biography Christensen received his Certificate of Apprenticeship in Mechanical Engineering from the Frederikshavn Technical School, Denmark in 1981. He received his M.Sc. and Ph.D. in Electrical Engineering from Aalborg University in 1987 and 1990, respectively. His doctoral thesis Aspects of Real Time Image Sequence Analysis was advised by Erik Granum. After receiving his Ph.D., Christensen held teaching and research positions at Aalborg University, Oak Ridge National Laboratory, and the Royal Institute of Technology. In 2006, Christensen accepted a part-time position at the Georgia Institute of Technology as a Distinguished Professor of Computer Science and the KUKA Chair of Robotics, and transitioned to full-time in early 2007. At Georgia Tech, Christensen served as the founding director of the Center for Robotics and Intelligent Machines (RIM@GT), an interdepartmental research units consists of the College of Computing, College of Engineering, and the Georgia Tech Research Institute (GTRI). During his tenure, RIM@GT experienced an unprecedented growth, including (as of 2008) 36 faculty members as well as a dedicated interdisciplinary Ph.D. program in Robotics. He joined UC San Diego the fall of 2016 to be the director of the UC San Diego Contextual Robotics Institute. The institute does research on robots in the context of empowering people in their daily lives from work over leisure to domestic tasks. An important consideration is the context in which the robot is to perform its tasks. He was named the inaugural Temasek Fellow April 2025.

Research He performs research on robotics, computer vision, and artificial intelligence and has published more than 400 contributions at major conferences and journals.

DARPA Urban Grand Challenge In 2007, Christensen led Georgia Tech's team in the DARPA Urban Grand Challenge as the principal investigator. The 2007 UGC was the third installment of the DARPA Grand Challenges (in 2004 and 2005), and took place on November 3, 2007 at the site of the now-closed George Air Force Base (currently used as Southern California Logistics Airport), in Victorville, California. The course involved a 96 km (60 mi) urban area course, to be completed in less than 6 hours while obeying all traffic regulations.

Professional activities Associate Editor of Journal of Machine Vision and Applications, Springer Verlag (1996–2004). Associate Editor of International Journal of Pattern Recognition and Artificial Intelligence, World Scientific Press (1997–2005) Associate Editor of MIT Press series on "Intelligent Robotics and Autonomous Agents", (1997–) Associate Editor of IEEE Transactions on Pattern Analysis and Machine Intelligence (1999–2003) Associate Editor of Robotics and Autonomous Systems journal, Elsevier, Competition Corner, (1999–2002) Associate Editor of AAAI AI Magazine (2000–2007) Associate Editor of Springer Series on "Springer Tracts in Advanced Robotics", (2001–2020) Associate Editor of The International Journal of Robotics Research, (2002–2024) Associate Editor of Service Robotics, (2005–)

Patents Robotic destination dispatch system for elevators and methods for making and using same, S. Park, M. Bray, A. Cosgun & H. I. Christensen, US Patent (US20190345000A1), 18 May 2018 Optical measurement of drilled holes, H. Bergman, H. I. Christensen & K. Hatzilias, US Patent (US8842273B2), 23 Sep 2014 Position Estimation Method, H.I. Christensen & G. Zunino, World patent (WO03062937) 3 March, 2008 Förfarande för en anordning på hjul, G. Zunino & H.I. Christensen, Swedish Patent (SE0200197) Mobile Robot, P. Jensfelt & H.I. Christensen, World Patent.

Honors and awards The Foundation Vision North 1991 Research Award. Awarded for contribution to advancement of research at the Laboratory of Image Analysis, Aalborg University. August 1991. Elected Officer of International Foundation of Robotics Research (2003–) IEEE RAS Distinguished Lecturer in Robotics (2004–2006) Engelberger Award for Education (2011) Boeing Supplier of the Year 2011 AAAS Fellow, (2013-) Temasek Fellow (2025-)

References

External links Home page UC San Diego announcement of Christensen's hire

Illustrations

Worked examples

Example 1 — a first encounter with Henrik I. Christensen

Start with the simplest possible case. Write down what Henrik I. Christensen claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Henrik I. Christensen before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Henrik I. Christensen ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Henrik I. Christensen

In research: Henrik I. Christensen appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Henrik I. Christensen in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Henrik I. Christensen is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1962 births, Aalborg University alumni, Computer vision researchers, so understanding it makes those chapters shorter.
In everyday life: Look for Henrik I. Christensen outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Henrik I. Christensen” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Henrik I. Christensen in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Henrik I. Christensen means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Henrik I. Christensen out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Henrik I. Christensen in simple terms?

Why does Henrik I. Christensen matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Henrik I. Christensen?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Henrik I. Christensen.