| 摘要 |
The invention relates to a device for pre-processing before encoding of a sequence of images including:
- means (2) of storing the current frame (T) and at least two preceding frames (T-1, T-2),
- means (3, 4, 5) of defining a vicinity for each point (P) of the current frame (T) and for each corresponding point (P', P") in the two preceding frames (T-1, T-2),
- means (6, 7) of measuring the motion of the current point (P) relative to its position in the two preceding frames (T-1, T-2) so as to detect whether the current point is in motion or in a static zone.
According to the invention, the device includes:
- means (14) of performing a spatial smoothing on the current point if the current point is in motion,
- means (12, 14) of performing a space-time smoothing if the current point is located in a static zone. |
