专利汇可以提供Quantizing encoder for vector between frames专利检索,专利查询,专利分析的服务。并且PURPOSE: To reduce block like noise in a picture signal by deciding a validity and an invalidity to the prediction error signal series of a difference between the frames of a picture signal, collecting only valid picture elements to form the block, and quantizing and encoding a mean value separation normalizing vector.
CONSTITUTION: The threshold of the prediction error signal series 5 calculated by a subtracter 2 is set according to a feedback control signal 12 from a transmission buffer 11 in a validity/invalidity decision circuit 9, validity/invalidity information 13 is outputted, the signal series 5 and the information 13 are fetched in a blocking circuit 10 an only the picture elements decided to be valid are unitedly outputted as a block signal. Then, they are quantized in the mean value separation normalizing vector quantizing encoder 15 and changed to the information 13 and a variable length code. The transmission buffer 11 outputs the codes to a transmission path as an encoding output 18, the quantity of generating the information is tabulated in an optional cycle and the feedback control signal 12 is outputted to the validity/invalidity decision circuit 9 to control the quantity of the information generated.
COPYRIGHT: (C)1987,JPO&Japio,下面是Quantizing encoder for vector between frames专利的具体信息内容。
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