Compression refers to a wide variety of processes designed to reduce digital storage requirements and improve data transmission speeds. Compression refers to the difference in size between the uncompressed raw image and the compressed image that is recorded to storage.
- Uncompressed 8-bit digital video stored on 650 MB CD-ROM
- 31 seconds of video
- Recorded 30 fps in 720 x 480 NTSC video
- 8-bit sampling
- 4:2:2: sampling
- Luminance data generated at 10.4 Mbps
- Colour data generated at 10.4 Mbps
- Data rate of 20.8 Mbps
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H.R. Wu , and K.R. Rao. Digital video image quality and perceptual coding. CRC Press (2005): 3-4. |
Comparison of compression ratios
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