Vector quantizer

Details Vector quantizer Vector quantizer

G - Physics

06

F

350/33, 354/67

G06F 5/00 (2006.01)

Patent

CA 1338223

The present invention relates to an encoding control system in an interframe encoding apparatus for encoding, with a high performance, a series of input video signals introducing conditional replenishment in units of a block. The control system is comprised of units that are provided for controlling the threshold value to be applied to the entire part of a frame so that, in the case of a predetermined value which is smaller than the block discriminating threshold value already used once is to be set as a new block discriminating threshold value is such a process as controlling a block discriminating threshold value for executing the conditional replenishment in units of a frame. A new block threshold value is set to a value which is reduced step by step, while sequentially widening the region within the frame to which the threshold value is applied. Such threshold value is finally set to the predetermined value.

616915

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