KR0134470B1 - 웨이브렛 변환 부호화 장치 - Google Patents
웨이브렛 변환 부호화 장치Info
- Publication number
- KR0134470B1 KR0134470B1 KR1019940023319A KR19940023319A KR0134470B1 KR 0134470 B1 KR0134470 B1 KR 0134470B1 KR 1019940023319 A KR1019940023319 A KR 1019940023319A KR 19940023319 A KR19940023319 A KR 19940023319A KR 0134470 B1 KR0134470 B1 KR 0134470B1
- Authority
- KR
- South Korea
- Prior art keywords
- wavelet transform
- region
- motion
- wavelet
- long
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0004—Modulated-carrier systems using wavelets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
Abstract
Description
Claims (1)
- 양자화된 웨이브렛 변화 계수를 수신하여 움직임이 많은 움직임 영역과 정지 여역인 배경 영역을 검출하는 영역 판단부(31), 상기 영역 판단부(31)에 의해 움직임이 많은 움직임 영역이 검출되면 제로 런 길이가 짧은 비트를 할당하고 제로 런 길이가 긴것에 긴 비트를 할당하는 VLC 테이블을 이용하여 줄길이 부호화를 수행하는 제1줄길이 부호화부(32), 상기 영역 판단부(31)에 의해 정지 영역인 배경 영역이 검출되면 제로 런 길이가 짧은 것에 긴 비트를 할당하고 제로 런 길이가 긴 것에 짧은 비트를 할당하는 VLC 테이블을 이용하여 줄길이 부호화를 수행하는 제2줄길이 부호화부(33)를 구비하여 구성함을 특징으로 하는 웨이브렛 변환 부호화 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940023319A KR0134470B1 (ko) | 1994-09-15 | 1994-09-15 | 웨이브렛 변환 부호화 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940023319A KR0134470B1 (ko) | 1994-09-15 | 1994-09-15 | 웨이브렛 변환 부호화 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960013044A KR960013044A (ko) | 1996-04-20 |
KR0134470B1 true KR0134470B1 (ko) | 1998-04-23 |
Family
ID=19392822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940023319A KR0134470B1 (ko) | 1994-09-15 | 1994-09-15 | 웨이브렛 변환 부호화 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0134470B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100331709B1 (ko) * | 1999-04-20 | 2002-04-09 | 이종수 | 웨이브릿을 이용한 차량 영상정보 압축장치 |
KR100681833B1 (ko) * | 2000-03-31 | 2007-02-12 | 삼성테크윈 주식회사 | 디지털 기록 시스템에서의 데이터 압축 장치 및 그 제어방법 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100228677B1 (ko) * | 1996-11-30 | 1999-11-01 | 윤종용 | 이산웨이브렛변환(dwt)을 통한 동영상부호화장치 |
KR20010081142A (ko) * | 2000-01-04 | 2001-08-29 | 구자홍 | 화상통신기기의 화상압축 부호화 방법 및 장치 |
KR100366382B1 (ko) * | 2001-02-12 | 2002-12-31 | (주) 멀티비아 | 동영상 부호화 장치 및 방법 |
-
1994
- 1994-09-15 KR KR1019940023319A patent/KR0134470B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100331709B1 (ko) * | 1999-04-20 | 2002-04-09 | 이종수 | 웨이브릿을 이용한 차량 영상정보 압축장치 |
KR100681833B1 (ko) * | 2000-03-31 | 2007-02-12 | 삼성테크윈 주식회사 | 디지털 기록 시스템에서의 데이터 압축 장치 및 그 제어방법 |
Also Published As
Publication number | Publication date |
---|---|
KR960013044A (ko) | 1996-04-20 |
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