Dreaming in virtual worlds

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Dreaming in virtual worlds

Dreaming in virtual worlds / Speaker

Jaroslav Stehlik @jaroslavstehlik

Past:8 year of high-end advertising photography & postproduction5 years of pc and mobile gamedev at Silicon Jelly2 game titles: Mimpi & Mimpi Dreams

Present:DIVR Labs - Blue Effect VRDigital dreamer at dream.digital

Dreaming in virtual worlds / Photogrammetry

Photogrammetry

Reconstruction of reality from regular photos.

Aerial

Close range Dreaming in virtual worlds / Photogrammetry

Dreaming in virtual worlds / Photogrammetry

Aerial

Must have for large scale scansUAV drones & planesNeeds pilot with license and aviation permit based on location.Expensive and potentially dangerousAutonomous operations are practically illegal.

Dreaming in virtual worlds / Photogrammetry

Close range

Small or medium objects Rocks, treesCamera on tripod or handheldMultiple operators

Dreaming in virtual worlds / Photogrammetry

Close range - equipment

Any DSLRSharp lens, ideally fixedFrom 20mm to 35mmCircular polarisation filterTripodLIDAR optional

Dreaming in virtual worlds / Photogrammetry

Close range - techniques

Always circle your subjectImages should overlap at least 30%Do as many shots as you canSharp images are crucialFull manual settingsLow ISO avoid noise

Dreaming in virtual worlds / Photogrammetry

Close range - techniques

Avoid any shiny or reflective surfacesUse polarisation filter for reflection reduction

Dreaming in virtual worlds / Photogrammetry

Close range - techniques

Shoot subjects with good textureOr use LIDAR Laser scanner

GoodBad

Dreaming in virtual worlds / Photogrammetry

Weather

Cloudy weather is the holy grailSoft shadowsNo hard lightGoodBad

Dreaming in virtual worlds / Photogrammetry

Scanning people

Can be really expensiveNeeds special studioAmbient lighting without shadowsSpecial synchronised camera rigsShoot dead bodies - No, please dont!

Dreaming in virtual worlds / Photogrammetry

Software

Agisoft PhotoScan Slow, but handles a lot of casesReality Capture Fast, but cannot handle some casesAutodesk Remake Built-in editor, 3D printing123D Good for beginners

Dreaming in virtual worlds / QA

Thank You!

Connect on twitter @jaroslavstehlikDo not hesitate to ask any questionsDream.Digital booth number 145, across Pollen VC