O
- objective evidence
- objective function
- objective measure
- objective reality
- Objective-C
- objectivity
- oblique
- oblique stroke
- OBM
- OBP
- OBS
- obscure
- obscured signal
- observability
- observable
- observation
- observation error
- observation point
- observation satellite
- observed data
- observed pose
- Observed Time of Difference
- observer
- obsolescence
- obsolete
- obstacle
- obstacle avoidance
- obstacle avoidance test
- obstacle detection
- obstacle mapping
- obstacle model
- obstacle sensing
- obstacle sensor
- obstruct
- OBTW
- OC
- OC-1
- OC-12
- OC-192
- OC-24
- OC-3
- OC-48
- OC-768
- OCC
- occam
- Occam's Razor
- occasional
- occasional user
- OCCI
- occlusion culling
