computer science

Henrik Wann Jensen

Henrik Wann Jensen is a computer science 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 Wann Jensen rather than just read about it. In short: Henrik Wann Jensen (born 1969 in Harlev, Jutland, Denmark) is a Danish computer graphics researcher. He is best known for developing the photon mapping technique as the subject of his PhD thesis, but has also done important research in simulating subsurface scattering and the sky.

Key takeaways

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

Reference excerpt

Henrik Wann Jensen (born 1969 in Harlev, Jutland, Denmark) is a Danish computer graphics researcher. He is best known for developing the photon mapping technique as the subject of his PhD thesis, but has also done important research in simulating subsurface scattering and the sky. He was awarded an Academy Award (Academy Award for Technical Achievement) in 2004 together with Stephen R. Marschner and Pat Hanrahan for pioneering research in simulating subsurface scattering of light in translucent materials as presented in their paper "A Practical Model for Subsurface Light Transport". The technique of simulating and scattering light on a subsurface are used by the major render engines in the computer graphics industry like Mental Ray or V-Ray. He is a professor emeritus at the Computer Graphics Laboratory at University of California, San Diego and has engineering degrees from the Technical University of Denmark, where he received his PhD. He is chief scientist at Luxion, a company focused on simulating physically accurate light properties on a 3D object.

References

External links https://web.archive.org/web/20040110061126/http://graphics.ucsd.edu/~henrik/ Homepage of Henrik Wann Jensen at University of California, San Diego. Interview with Henrik Wann Jensen and Thomas Teger from Luxion. Archived 2012-04-25 at the Wayback Machine

Worked examples

Example 1 — a first encounter with Henrik Wann Jensen

Start with the simplest possible case. Write down what Henrik Wann Jensen claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, 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 Wann Jensen 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 Wann Jensen 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 Wann Jensen

In research: Henrik Wann Jensen appears in computer science 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 Wann Jensen 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 Wann Jensen is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1970 births, Academy Award for Technical Achievement winners, Computer graphics professionals, so understanding it makes those chapters shorter.
In everyday life: Look for Henrik Wann Jensen 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.

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How to study Henrik Wann Jensen in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Henrik Wann Jensen 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 Wann Jensen out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Henrik Wann Jensen in simple terms?

Why does Henrik Wann Jensen matter?

Because it connects several computer science 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 Wann Jensen?

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 Wann Jensen.