KR920004963A - Filtering Method in Transform Domain Using Pipeline Structure - Google Patents

Filtering Method in Transform Domain Using Pipeline Structure Download PDF

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Publication number
KR920004963A
KR920004963A KR1019900013136A KR900013136A KR920004963A KR 920004963 A KR920004963 A KR 920004963A KR 1019900013136 A KR1019900013136 A KR 1019900013136A KR 900013136 A KR900013136 A KR 900013136A KR 920004963 A KR920004963 A KR 920004963A
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South Korea
Prior art keywords
transform
transform domain
pipeline
matrix
filtering method
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KR1019900013136A
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Korean (ko)
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KR930009636B1 (en
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이재범
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이재범
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
  • Complex Calculations (AREA)

Abstract

내용 없음No content

Description

파이프라인 구조를 이용한 변환 영역에서의 필터링 방법.Filtering Method in Transform Domain Using Pipeline Structure.

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제4도는 본발명에 의한 파이프라인 매트릭스의 하드웨어 블럭도,4 is a hardware block diagram of a pipeline matrix according to the present invention,

제5도는 제4도를 이용한 변환 영역 필터링의 전체 하드웨어 블럭도,5 is an overall hardware block diagram of transform domain filtering using FIG.

제7도는 제6도에 따른 제어 흐름도.7 is a control flowchart according to FIG.

Claims (3)

변환 영역 필터를 구비하여 변환영역상의 변환 영역 계수 상태로 존재하는 디지탈 신호를 직접 필터링 처리하기 위한 변환 영역 필터링 방법에 있어서, 상기 변환 영역 계수의 입력 신호 벡터를 순차적으로 입력하여 파이프라인 매트릭스를 각각 곱한후 그 합을 구하는 파이프 라인 연산과정으로 이루어짐을 특징으로 하는 파이프라인 구조를 이용한 변환영역에서의 필터링 방법,A transform domain filtering method for directly filtering a digital signal existing in a transform domain coefficient state on a transform domain by providing a transform domain filter, the input signal vector of the transform domain coefficients being sequentially input to multiply each pipeline matrix. A filtering method in the transform domain using a pipeline structure, characterized in that the pipeline operation is performed 제1항에 있어서, 상기 파이프 라인 연산과정이 상기 입력신호 벡터들을 입력하여 다음의 식, Pj=T2WjHT1(여기서 Pj는 파이프 라인 매트릭스이고, T2는 변환2매트릭스, T1은 변환1매트릭스, Wj는 창 연산자, H는 필터 매트릭스이다)을 만족하는 파이프 라인 매트릭스와 각각 곱셈을 행하는 곱셈 과정과, 상기 곱셈 과정으로 부터 파이프 라인 매트릭스가 곱하여진 입력신호 벡터를 같은 성분 벡터끼리 합하여 출력신호 벡터를 출력시키기 위한 가산과정으로 이루어짐을 특징으로 하는 파이프 라인 구조를 이용한 변환 영역에서의 필터링 방법.The method of claim 1, wherein the pipeline operation inputs the input signal vectors, and Pj = T 2 WjHT 1 (where Pj is a pipeline matrix, T 2 is a transform 2 matrix, and T 1 is transform 1). Matrix, Wj is a window operator, and H is a filter matrix), and a multiplication process for multiplication and an input signal vector obtained by multiplying the pipeline matrix from the multiplication process by adding the same component vectors to the output signal. A filtering method in a transform domain using a pipeline structure, which comprises an addition process for outputting a vector. 제1항에 있어서, 상기 변환 영역 계수의 입력신호 벡터들이 화상 신호를 변환부호화한 변환 영역 계수로 이루어짐을 특징으로 하는 파이프 라인 구조를 이용한 변환 영역에서의 필터링 방법.The method of claim 1, wherein the input signal vectors of the transform region coefficients are transform region coefficients obtained by transform encoding an image signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900013136A 1990-08-24 1990-08-24 Filtering method on the transform domain having the papeline structure KR930009636B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900013136A KR930009636B1 (en) 1990-08-24 1990-08-24 Filtering method on the transform domain having the papeline structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900013136A KR930009636B1 (en) 1990-08-24 1990-08-24 Filtering method on the transform domain having the papeline structure

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KR920004963A true KR920004963A (en) 1992-03-28
KR930009636B1 KR930009636B1 (en) 1993-10-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101476749B1 (en) * 2007-12-21 2014-12-26 발루렉 튜브즈 프랑스 Non-destructive testing, in particular for pipes during manufacture or in the finished state

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101476749B1 (en) * 2007-12-21 2014-12-26 발루렉 튜브즈 프랑스 Non-destructive testing, in particular for pipes during manufacture or in the finished state

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KR930009636B1 (en) 1993-10-08

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