Subsampling device spatiotemporal is video signal representative numerical a series of linked images or sequential; TV system high definition including a dispos. and stages of this type of transmission and reception for sist. of this type.

摘要

Sampling device spatiotemporal SIGNAL VIDEO NUMERICAL REPRESENTATIVE OF A SERIES OF IMAGES, ENTRELADAS O SEQUENTIAL DIVIDED IN BLOCKS MXN POINTS (m and n are positive integers) said device comprises in series a circuit (201) prefilter SPACE OF SUCH Series , FOR RELEASING A SERIES OF SEQUENTIAL IMAGES LIMITED IN bANDWIDTH, a circuit (203) subsampling SPACE, AND A CIRCUIT downsampling TEMPORARY (202) CHARACTERIZED IN further comprising a step of motion estimation (204) COMPRENDIDNEO THE SAME means for releasing signals ONE PART FOR A RANGE IMAGES 2K and K + 2 and otherwise signals IMAGES FOR A RANGE 2K +1 and means motion estimation INTENDED TO RELEASE FROM SUCH SIGNALS ONE OR SOME INFORMATION OF MOVEMENT RANGE IMGAEN 2K + 1 in relation to the range images 2K and 2K + 2 which surround it.