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Best Paper Award at "SPIE Electronic Imaging Conference“ in San Francisco

01.04.2014
AIT expert awarded for outstanding paper in the field of image processing

Svorad Stolc is a researcher with the group "High Performance Vision" at AIT Safety & Security Department. For his outstanding paper on "Depth and all-in-focus images obtained by multi-line-scan light-field approach" he got awarded with the Best Paper Award by Profs. Kurt S. Niel and Philip Bingham (conference chairs) at this year´s IS&T/SPIE International Conference on Electronic Imaging, which took place from 2nd to 6th of February in San Francisco.

Paper abstract
In this article, we discuss the optimality of basis transformations as a security measure for quantum key distribution protocols based on entanglement swapping. To estimate the security, we focus on the information an adversary obtains on the raw key bits from a generic version of a collective attack strategy. In the scenario described in this article, the application of general basis transformations serving as a counter measure by one or both legitimate parties is analyzed. In this context, we show that the angles, which describe these basis transformations, can be optimized compared to the application of a Hadamard operation, which is the standard basis transformation recurrently found in literature. As a main result, we show that the adversary’s information can be reduced to an amount of I_AE~ 0.20752 when using a single basis transformation and to an amount of I_AE~ 0.0548 when combining two different basis transformations. This is less than half the information compared to other protocols using a Hadamard operation and thus represents an advantage regarding the security of entanglement swapping based protocols.

Svorad prepared the paper in cooperation with his AIT colleagues Reinhold Huber-Mörk, Bransilav Holländer and Daniel Soukup (all AIT Safety & Security Department).

Furher information

  • IS&T/SPIE Electronic Imaging 2014
  • <link research-services research-services-safety-security high-performance-vision _blank external-link-new-window external link in new>High Performance Vision @ AIT