LIDAR
Laser distance sensing
LIDAR, also written lidar or LiDAR, is a remote sensing technology that uses pulsed laser light to measure distances and create precise three-dimensional maps of surfaces and objects.
The term blends "light" and "radar," reflecting how it works: by measuring the time it takes for laser pulses to bounce back from targets.
LIDAR is essential in autonomous vehicles, archaeology, forestry surveys, and topographic mapping.
The self-driving car's lidar detected a pedestrian stepping off the curb.
Diagram of correspondences
- topographyPhysical feature mapping
- cartographyCreating geographic representations
- photogrammetryDeriving measurements from photographs
- GISSpatial data framework
geospatial · terrain · elevation · remote sensing · aerial survey · bathymetry · contour · geodesy
Device that reads data
- pulseArterial blood throb
- wavelengthSpatial repetition interval
- sensorInput-detecting device
- detectorDevice that senses
reflectance · beam · optics · infrared · time-of-flight · range finding · intensity · waveform
Satellite-based location technology
- autonomous vehiclesMotor transport needing no human
- self-drivingOperating without human control
- collision avoidancePreventing objects from hitting
- waypointNavigation reference location
localization · SLAM · cruise control · robotics · drones · UAV
mapping
Diagram of correspondences
- topographyPhysical feature mapping
- cartographyCreating geographic representations
- photogrammetryDeriving measurements from photographs
GIS · geospatial · terrain · elevation · remote sensing · aerial survey · bathymetry · contour · geodesy · ground truth
scanner
Device that reads data
- pulseArterial blood throb
- wavelengthSpatial repetition interval
- sensorInput-detecting device
detector · reflectance · beam · optics · infrared · time-of-flight · range finding · intensity · waveform · aperture
GPS
Satellite-based location technology
- autonomous vehiclesMotor transport needing no human
- self-drivingOperating without human control
- collision avoidancePreventing objects from hitting
waypoint · localization · SLAM · cruise control · robotics · drones · UAV
- imagingdigital imaging, medical imaging, camera, digital camera, MRI
- imaging devicescamera, cameras, digital camera, digital cameras, video camera
- Physics Devicesaccelerometer, ammeter, barometer, calorimeter, gyroscope
- Optical Methodsinterferometry, spectroscopy, photometry, refractometry, colorimetry
- remote sensingsatellite imagery, aerial photography, infrared imaging, thermal imaging, spectral analysis
- cartographymaps, world map, atlas, globes, cartographers