KR970057948A - Quantization Step Value Generator - Google Patents

Quantization Step Value Generator Download PDF

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Publication number
KR970057948A
KR970057948A KR1019950061821A KR19950061821A KR970057948A KR 970057948 A KR970057948 A KR 970057948A KR 1019950061821 A KR1019950061821 A KR 1019950061821A KR 19950061821 A KR19950061821 A KR 19950061821A KR 970057948 A KR970057948 A KR 970057948A
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KR
South Korea
Prior art keywords
quantization step
value
value generator
determiner
number calculator
Prior art date
Application number
KR1019950061821A
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Korean (ko)
Other versions
KR100242832B1 (en
Inventor
백대환
Original Assignee
이우복
사단법인 고등기술연구원 연구조합
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Publication date
Application filed by 이우복, 사단법인 고등기술연구원 연구조합 filed Critical 이우복
Priority to KR1019950061821A priority Critical patent/KR100242832B1/en
Publication of KR970057948A publication Critical patent/KR970057948A/en
Application granted granted Critical
Publication of KR100242832B1 publication Critical patent/KR100242832B1/en

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    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation

Abstract

본 발명은 양자화 스텝값 발생장치에 관한 것으로, 클래스 번호와 양자 자값에 따라 디코딩하는 제1양자화 스텝 결정부와, 데이타와 클럭에 따라 디코딩하는 영역번호 계산부와, 상기 제1양자화 스텝 결정부의 값과 영역번호 계산부를 조합하여 최종 양자화 스텝을 결정하는 제2양자화 스텝 결정부를 포함하여 하드웨어의 구성을 용이하고 간략화 할 수 있다.The present invention relates to a quantization step value generator, comprising: a first quantization step determiner for decoding according to a class number and a quantum value, an area number calculator for decoding according to data and a clock, and a value of the first quantization step determiner And a second quantization step determiner that determines the final quantization step by combining a region number calculator and the hardware configuration can be simplified and simplified.

Description

양자화 스텝값 발생장치Quantization Step Value Generator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 디지탈 VCR 영상신호의 압축 부호화를 나타낸 블럭도, 제3도는 본 발명에 의한 양자화 스텝값 발생장치의 블럭도.1 is a block diagram showing compression coding of a digital VCR video signal, and FIG. 3 is a block diagram of a quantization step value generator according to the present invention.

Claims (3)

클래스 번호와 양자화 숫자값에 따라 디코딩하는 제1양자화 스텝 결정부와 데이타와 클럭에 따라 디코딩하는 영역번호 계산부와 상기 제1양자화 스텝 결정부의 값과 영역번호 계산부를 조합하여 최종 양자화 스텝을 결정하는 제2양자화 스텝 결정부를 포함하는 것을 특징으로 하는 양자화 스텝값 발생장치Determining a final quantization step by combining a first quantization step determiner that decodes according to a class number and a quantized numeric value, an area number calculator that decodes according to data and a clock, and a value of the first quantization step determiner and an area number calculator. And a second quantization step determination unit. 제1항에 있어서, 상기 제1양자화 스텝 결정부는 9가지이며, 동일한 값을 가지는 것을 특징으로 하는 양자화 스텝값 발생장치.The quantization step value generator according to claim 1, wherein the first quantization step determination unit has nine types and has the same value. 제1항에 있어서, 상기 영역번호계산부는 DCT블럭내의 AC계수값들의 위치에 의해 계산되는 것을 특징으로 하는 양자화 스텝값 발생장치.The quantization step value generator according to claim 1, wherein the area number calculator is calculated by the positions of AC coefficient values in the DCT block. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950061821A 1995-12-28 1995-12-28 Apparatus for generating quantization step value KR100242832B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950061821A KR100242832B1 (en) 1995-12-28 1995-12-28 Apparatus for generating quantization step value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950061821A KR100242832B1 (en) 1995-12-28 1995-12-28 Apparatus for generating quantization step value

Publications (2)

Publication Number Publication Date
KR970057948A true KR970057948A (en) 1997-07-31
KR100242832B1 KR100242832B1 (en) 2000-02-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950061821A KR100242832B1 (en) 1995-12-28 1995-12-28 Apparatus for generating quantization step value

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KR (1) KR100242832B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100261032B1 (en) * 1997-06-30 2000-07-01 전주범 Inverse quantizer for digital video camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100261032B1 (en) * 1997-06-30 2000-07-01 전주범 Inverse quantizer for digital video camera

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Publication number Publication date
KR100242832B1 (en) 2000-02-01

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