MOVING IMAGE ENCODING DEVICE, MOVING IMAGE DECODING DEVICE, MOVING IMAGE ENCODING METHOD, MOVING IMAGE DECODING METHOD, AND PROGRAM

Title:

MOVING IMAGE ENCODING DEVICE, MOVING IMAGE DECODING DEVICE, MOVING IMAGE ENCODING METHOD, MOVING IMAGE DECODING METHOD, AND PROGRAM

Document Type and Number:

Japanese Patent JP2011049816

Kind Code:

A

Abstract:

To provide a moving image encoding device and a moving image decoding device for increasing frequency of applying a CBP (Coded Block Pattern), thereby improving encoding performance.

The moving image encoding device AA is provided with: a DCT coefficient division part 61 which divides a signal of a quantized DCT coefficient (residual signal) into four in the predetermined shape between the moving image encoding device AA and the moving image decoding device BB; CBP determination parts 62A-62D which determine to perform entropy encoding for each of the quantized DCT coefficients (residual signal) divided into four; and residual signal entropy encoding parts 63A-63D which perform entropy encoding for each of the quantized DCT coefficients (residual signal) divided into four, according to determination results in each of the CBP determination parts 62A-62D.

Inventors:

YOSHINO TOMONOBU
NAITO HITOSHI
SAKASAWA SHIGEYUKI

Application Number:

JP2009196472A

Publication Date:

March 10, 2011

Filing Date:

August 27, 2009

Export Citation:

Click for automatic bibliography generation Help

Assignee:

KDDI R & D LAB INC

International Classes:

H04N19/50; H04N19/12; H04N19/134; H04N19/136; H04N19/423; H04N19/46; H04N19/503; H04N19/51; H04N19/513; H04N19/593; H04N19/60; H04N19/61; H04N19/625; H04N19/70; H04N19/91

Domestic Patent References:

JPS63215281A	1988-09-07
JP2006333500A	2006-12-07

Foreign References:

WO2006118288A1

2006-11-09

Attorney, Agent or Firm:

Kiyoshi Kato

Previous Patent: SIGNAL PROCESSOR AND SIGNAL PROCESSING METHOD

Next Patent: SWITCHING CIRCUIT AND METHOD OF CONTROLLING THE SAME