HD refers to cameras with a standardized resolution of 720p or 1080p. The numbers 720 and 1080 refer to the horizontal resolution. Therefore, 720p HD camera resolution provides images that are 1280 x ...

Vicon’s Surveyor HD high-performance PTZ domes combine superb HDTV quality video, low-light capabilities, and durability to deliver a superior pan-tilt-zoom solution. Packed with features and ...

Said another way: The 1,920 pixels on an HD display are arranged ... to as the horizontal resolution) is where the 1080 part ...