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?"