video surveillance

noun 0.837

video camera

noun 0.770

surveillance

noun 0.720

camera

noun 0.694

camera right

noun 0.682

camera left

noun 0.672

digital camera

noun 0.668

camcorder

noun 0.668

video recorder

noun 0.649

webcam

noun 0.644

mass surveillance

noun 0.643

box camera

noun 0.624

video recording

noun 0.622

digital video recorder

noun 0.612

baby monitor

noun 0.607

speed camera

noun 0.605

candid camera

noun 0.595

compact camera

noun 0.594

cameraman

noun 0.591

stereo camera

noun 0.578

surveillant

noun 0.575

countersurveillance

noun 0.572

alarm system

noun 0.565

digital still camera

noun 0.562

camerawoman

noun 0.560

cameraperson

noun 0.560

camera obscura

noun 0.546

videotaping

noun 0.545

videotape

noun 0.537

spy ring

noun 0.537

reflex camera

noun 0.533

screen capture

noun 0.530

camera angle

noun 0.529

space satellite

noun 0.527

computer vision

noun 0.526

biosurveillance

noun 0.526

camerawork

noun 0.525

smoke detector

noun 0.525

videographer

noun 0.522

videocassette recorder

noun 0.522

photosensor

noun 0.522

cam

noun 0.518

telescreen

noun 0.518

digital video

noun 0.516

borescope

noun 0.516

monitor

noun 0.515

endoscope

noun 0.515

camera phone

noun 0.514

compound eye

noun 0.514

smoke alarm

noun 0.513

videocassette

noun 0.510

camera shot

noun 0.508

home video

noun 0.507

spyware

noun 0.506

monitoring

noun 0.505

wiretapping

noun 0.505

observation car

noun 0.503