| 单词 | transform |
| 释义 | transform Referring to a step in the video compression process that converts the native three-dimensional video signal into a two-dimensional form comprising for subsequent compression.Transform compression is based on the premise that the low frequency components of a signal are more important than the high frequency components. Therefore, a substantial reduction in the number of bits used to represent a high 74570c20.qxd 9/12/07 12:44 AM Page 496 |
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