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Stefan Machleidt Leslie Klein Michail Yordanov

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Virtual Engineering: Design of Optical See- Through Displays Stefan Machleidt

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Virtual Engineering: Design of Optical See-Through Displays3

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Overview Principles of Optics Basic Approach Implementation Summary Future Work Demo Virtual Engineering: Design of Optical See-Through Displays4

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Fermat´s principle (principle of least time) The path taken between two points by a ray of light is the path that can be traversed in the least time. Virtual Engineering: Design of Optical See-Through Displays5 n i : refractive index of material i d i : distance of part i

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Law of refraction (Snell´s law) Virtual Engineering: Design of Optical See-Through Displays6

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Law of reflection Virtual Engineering: Design of Optical See-Through Displays7

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Convex Lens Virtual Engineering: Design of Optical See-Through Displays8

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Convex Lens Virtual Engineering: Design of Optical See-Through Displays9

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Convex Lens Virtual Engineering: Design of Optical See-Through Displays10

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Convex Lens Virtual Engineering: Design of Optical See-Through Displays11

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Convex Lens Virtual Engineering: Design of Optical See-Through Displays12 Important for design of optical see-through displays

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Concave Mirror Virtual Engineering: Design of Optical See-Through Displays13

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Thin Lens Formula Virtual Engineering: Design of Optical See-Through Displays14

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Spherical Aberration Virtual Engineering: Design of Optical See-Through Displays15

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Distortion Virtual Engineering: Design of Optical See-Through Displays16 cushion shaped barrel shaped object

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Human Eye Virtual Engineering: Design of Optical See-Through Displays17

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Overview Principles of Optics Basic Approach Implementation Summary Future Work Demo Virtual Engineering: Design of Optical See-Through Displays18

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Objectives / Basic Approaches Intuitive manipulation of optical elements Real-time calculation => Sequential arrangement of optical elements Potential for extension of the range of optical elements => Uniform structure for optical elements Virtual Engineering: Design of Optical See-Through Displays19

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Structure / Algorithm Virtual Engineering: Design of Optical See-Through Displays20 Eye

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Overview Principles of Optics Basic Approach Implementation Summary Future Work Demo Virtual Engineering: Design of Optical See-Through Displays21

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Mirror / Combiner Virtual Engineering: Design of Optical See-Through Displays22

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Mirror / Combiner Virtual Engineering: Design of Optical See-Through Displays23

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Mirror / Combiner Virtual Engineering: Design of Optical See-Through Displays24

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Mirror / Combiner Virtual Engineering: Design of Optical See-Through Displays25

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Mirror / Combiner Virtual Engineering: Design of Optical See-Through Displays26

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Convex Lens First Approach: Approximation (Thin Lens Formula) Pro: Fast calculation Independent from lens size Contra: No distortion Inaccurate Virtual Engineering: Design of Optical See-Through Displays27

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Convex Lens Second Approach: Accurate Calculation of the Optical Path Virtual Engineering: Design of Optical See-Through Displays28

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Convex Lens Second Approach: Accurate Calculation of the Optical Path Virtual Engineering: Design of Optical See-Through Displays29

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Convex Lens Second Approach: Accurate Calculation of the Optical Path Virtual Engineering: Design of Optical See-Through Displays30

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Convex Lens Second Approach: Accurate Calculation of the Optical Path Virtual Engineering: Design of Optical See-Through Displays31

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Convex Lens Second Approach: Accurate Calculation of the Optical Path Virtual Engineering: Design of Optical See-Through Displays32

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Convex Lens Second Approach: Accurate Calculation of the Optical Path Pro Accurate placement of focal plane Contra enormous complexity no unique solution: Virtual Engineering: Design of Optical See-Through Displays33

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays34

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays35

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays36

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays37

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays38

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays39

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays40

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays41

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays42

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays43

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays44

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays45

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays46

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays47

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays48

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays49

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays50

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays51

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays52

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Convex Lens Third Approach: Approximation (Ray Tracing) Virtual Engineering: Design of Optical See-Through Displays53

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Concave Mirror Virtual Engineering: Design of Optical See-Through Displays54

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Summary Linked list algorithm Ray tracing approximation Virtual Engineering: Design of Optical See-Through Displays55

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Future Work Occlusion / side effects Additional objects: - Aspherical lenses - Aspherical curved mirrors (windshield) Binocular systems Virtual Engineering: Design of Optical See-Through Displays56

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Demo Virtual Engineering: Design of Optical See-Through Displays57

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Discussion Virtual Engineering: Design of Optical See-Through Displays58

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