Photogrammetry & Virtual Reality Transporting Real Sites into VR - PowerPoint PPT Presentation

Oct 02, 2023 •565 likes •882 views

Photogrammetry & Virtual Reality Transporting Real Sites into VR Daniel Sproll @left_big_toe David Finsterwalder @DFinsterwalder Photogrammetry Photo gram metry (phots) = light (grmma) = drawing

Photogrammetry & Virtual Reality Transporting Real Sites into VR Daniel Sproll @left_big_toe David Finsterwalder @DFinsterwalder
Photogrammetry
Photo ● gram ● metry φωτός (photós) = light γράμμα (grámma) = drawing μετϱικὴ (metriké) = measurement
History Almost as old as photography (François Arago 1839) Mathematical foundation in 1849 (Aimé Laussedat) First full algorithm in 1899 (Sebastian Finsterwalder)
What’s new? Computer vision for feature detection Compute Bundle Adjustments fast Compute Depthmaps fast
CUDA SIFTGPU (Feature detection) Multicore Bundle Adjustment (Bundle Adjustments) RealityCapture (Depth Reconstruction)
7.000.000.000.000 FLOPS (SP Peak) with a Quadro M6000 (that is over 9000!)
Getting more popular in Realtime 3D
Virtual Reality
The Hard Facts i5 / 4GB / GTX 970 stereo 1080 x 1100 90fps - always
Scenography
Scenography “...ingenious engineering to create movable sets, or create illusions of environments.” Antonio Caimi, 1862
Scenographs Photorealistic Explorable Vivid
Photorealistic High Geometric Resolution High Texture Resolution Real Lighting
Photorealistic
Explorable Free Spatial Exploration Embodied Experience Active User
Explorable
Vivid Spatial Audio Dynamic Elements Realtime Lighting
Vivid
Vivid Spatial Audio Dynamic Elements Realtime Lighting
Scenographs Photorealistic Explorable Vivid
Scenographs Photorealistic Explorable Vivid

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