Taina M. Lehtimäki

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In digital holography we often capture optically a 3D scene and reconstruct the perspectives numerically. The reconstructions are routinely in the form of a 2D image slice, an extended focus image, or a depth map from a single perspective. These are fundamentally 2D (or at most 2.5D) representations and for some scenes are not certain to give the human(More)
In this research, we addressed the problem of visualizing route histories on a mobile device. We developed a solution, which combines the visualization of three route history parameters: speed, direction, and location. The visualization was tested in a laboratory evaluation with 12 subjects. The results showed that by using the visualization the subjects(More)
In this paper, we develop and test methods for evaluating information network utilization and electronic communication in enterprises. First, we present a holistic model for evaluating the e-level (level of electronic information network utilization) of a company. The model consists of seven factors: communication, integrity, presence, strategy, resources,(More)
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