IP Library › Granted Patent US 7,474,697
Granted Patent B2
US 7,474,697 · App. 11/189,963 · Granted Jan 6, 2009

Apparatus and method for partitioning moving picture data

Assignee: LG Electronics Inc.
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Quick Facts
Patent No.
US 7,474,697
App. No.
11/189,963
Granted
Jan 6, 2009
Kind
B2
Abstract

An apparatus for partitioning moving picture data comprises a first quantizing unit for first-quantizing a received video signal and outputting a first-quantized signal; and a second quantizing unit for second-quantizing the first-quantized signal and partitioning the first-quantized signal into a preceding part and a succeeding part.

Claims (12)

1. A method for partitioning moving picture data, the method comprising:

generating a first-quantized signal by first-decoding a received stream,

wherein first decoding comprises dividing the received stream into a preceding part and a succeeding part, variable-length decoding and inverse-quantizing the preceding part, variable-length decoding the succeeding part, and outputting the first-quantized signal by adding the preceding part to the succeeding part; and

restoring a video signal by second-decoding the first-quantized signal.

2. The method of claim 1 , wherein the preceding part is an even-approximated coefficient.

3. The method of claim 1 , wherein the succeeding part is an odd-remainder coefficient.

4. A system for partitioning moving picture data, the system comprising:

a first inverse-quantizing mechanism for generating a first-quantized signal by first-quantizing a preceding part and a succeeding part of a data-partitioned stream,

wherein the first inverse-quantizing unit comprises a divider for dividing the received data-partitioned stream into the preceding part and the succeeding part, a first variable length decoder (VLD) for performing variable-length decoding of the preceding part to generate a first output signal, a first inverse-quantizer for inverse-quantizing the first output signal of the first VLD, a second VLD for performing variable-length decoding of the succeeding part, and a first combiner for outputting a first-quantized signal by combining an output signal of the first inverse-quantizer with an output signal of the second VLD; and

a second inverse-quantizing mechanism for outputting a video signal by performing inverse-quantization and inverse discrete cosine transform of the first quantized signal.

5. The system of claim 4 , wherein an output signal of the first VLD is an even-approximated coefficient.

6. The apparatus of claim 4 , wherein an output signal of the second VLD is an odd-remainder coefficient.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 25, 2005
From: ROH, KYU-CHAN
To: LG ELECTRONICS INC.
Reel/Frame 016819/0132 →
Priority Claims (1)
KR 2003-14095 · Mar 6, 2003 · national
Continuity (2)
Division 1064793700 · Aug 25, 2003
Related Publication 20050254580A1 · Nov 17, 2005