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Distinguishing Visual Information from Visible Background Light Sources
KTH, School of Engineering Sciences (SCI), Applied Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics.
2013 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This thesis regards problems of the form: Two light sources are present. The two

sources have dierent light spectra. One of the sources carries information and

the other source can be regarded as background light. How can we maximize the

contrast between the information and the background light using optical ltering

techniques? A relevant question when working with this problem is the theoretical

limit of how big dierence a lter can make. The dierence is calculated with

regards to the optimal lter for a particular setup. An algorithm for nding the

optimal lter for a given setup is implemented. An experiment showing that

contrast increase through optical ltering is possible is conducted. In this report

introductions to colorimetry and photometry are included as well as some basic

facts on screens and optical lters.

Place, publisher, year, edition, pages
2013. , 22 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-129277OAI: oai:DiVA.org:kth-129277DiVA: diva2:651260
Supervisors
Available from: 2013-09-25 Created: 2013-09-25 Last updated: 2013-09-25Bibliographically approved

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Axel Theorell, Anton Osika kandidatex(558 kB)165 downloads
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