Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2006-01-10
2006-01-10
Hofsass, Jeffery (Department: 2636)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240190
Reexamination Certificate
active
06985528
ABSTRACT:
An encoding and decoding apparatus using a wavelet transformation and motion estimation is disclosed. The apparatus includes an input module for receiving an image data, a wavelet module for wavelet-transforming the image data received through the input module, an estimation/compensation module, a storage module for storing the image data being transmitted from the input module and transmitting the stored data in a request from the respective modules, an output module for outputting one bit stream by coupling the data being inputted from the wavelet module and a data corresponding to the motion vector being inputted from the storage module, and a control module for controlling operations of the respective modules. According to the present invention, though memories of small amount are used, whole image can be wavelet-transformed and a motion of a block can be estimated in real time when the encoding and decoding a moving picture at real time.
REFERENCES:
patent: 5701160 (1997-12-01), Kimura et al.
patent: 5748240 (1998-05-01), Carr et al.
patent: 6208692 (2001-03-01), Song et al.
patent: 6496607 (2002-12-01), Krishnamurthy et al.
patent: 6560371 (2003-05-01), Zhang et al.
Ha Yeong Ho
Lee Ho Keun
Shin Jong Keun
Bugg George
Fleshner & Kim LLP
Hofsass Jeffery
LG Electronics Inc.
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