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DVCPRO HD, also known as DVCPRO100 and D-12, is a high-definition video format that can be thought of as four DV codecs that work in parallel. Video data rate depends on frame rate and can be as low as 40 Mbit/s for 24 frame/s mode and as high as 100 Mbit/s for 50/60 frame/s modes. Like DVCPRO50, DVCPRO HD employs 4:2:2 color sampling.
During filming of The Alamo, a tracking shot was used during a battle scene Creating long steady tracking shots with a remote controlled film camera on a Newton stabilized head and a Flowcine Black arm. In cinematography, a tracking shot is any shot where the camera follows backward, forward or moves alongside the subject being recorded. Mostly ...
Video tracking is the process of locating a moving object (or multiple objects) over time using a camera. It has a variety of uses, some of which are: human-computer interaction, security and surveillance, video communication and compression, augmented reality, traffic control, medical imaging [1] and video editing.
A camera dolly is a wheeled cart or similar device used in filmmaking and television production to create smooth horizontal camera movements. The camera is mounted to the dolly and the camera operator and focus puller or camera assistant usually ride on the dolly to push the dolly back and forth.
However, the purpose of a tracking matte is to prevent tracking algorithms from using unreliable, irrelevant, or non-rigid tracking points. For example, in a scene where an actor walks in front of a background, the tracking artist will want to use only the background to track the camera through the scene, knowing that motion of the actor will ...
DVCPRO HD DV 25 Yes Yes Yes [74] [VI] No No M-JPEG: Intra-frame: May 1994 Expired patents [75] VCM [d] Yes Yes Yes Yes No No No MJ2: Intra-frame: December 2003 Patent encumbered [76] No Yes No No Not standard Yes No No Apple ProRes: Intra-frame: April 2007 Proprietary: No No Yes [77] No No Yes [77] No No HuffYUV: Lossless: February 2000 Open ...
Developed to address the needs of the growing number of compressed video standards (DV, DVCPRO, BetaSX, MPEG2) it allows lossless transfer of data to other devices which have the same codec, for example DV to DV or SX to SX.
The cue track was used either as a second audio track, or for recording cue tones or time code for linear video editing. [5] The quadruplex format employs segmented recording; each transversely recorded video track on a 2-inch quad videotape holds one-sixteenth (NTSC) or one-twentieth (PAL) [6] of a field of interlaced video. (For NTSC systems ...