Photogrammetry
with
Phones


Meetup 3
Have you tried a scan, yet?
Lets look at some Models
(Scaniverse)

Week 3
Cropping
Common Problems
Holes,
Geometry
Focus
Tool Tips
for larger objects
Next Assignment: Larger Objects

Cropping
Video:
Scaniverse
Cropping


Advice
Common Issues
Avoid shiny, reflective,
transparent
Light evenly
Circle object several times
Don't move object

Why?
Camera Calculations
Shadows
baked in
Redundancy
Better texture?
Whole scene capture
Tricky Geometry/
Poor Angles
See model
Fixes?
Plan your shoot
Selfie-Sticks

Focus
Fixes?
Initial focus &
tap on screen to re-focus
during shoot

Fill the Screen
Fixes?
Move closer


Q&A
Questions so far?
Next: Scanning Large Objects
Tool Tips
Light-weight Tripod
acting as selfie stick
Monopod
See model
S


Making a Large Scan
Video: Scaniverse: Testing a 3D Scanning App
Note: He makes a mistake when choosing SIZE
(see if you can spot it)
Next meeting is 'small object capture'
Size



Assignment
Make at least one larger model using:
Scaniverse
Upload to Sketchfab
Turn-in link via Discord
Next meeting is 'small object capture'
DO
Pick a larger object
(car-sized or above)
Plan your circling & heights
Maybe, use selfie-stick for reach
DON'Ts
Get too close to your object
be surprised if people ask "WHAT are you doing?"
NairobiPWPweek3
By Mark Jeffcock
NairobiPWPweek3
- 58