KR960036648A - Selective Transmission Device Using Similarity Calculator - Google Patents

Selective Transmission Device Using Similarity Calculator Download PDF

Info

Publication number
KR960036648A
KR960036648A KR1019950005831A KR19950005831A KR960036648A KR 960036648 A KR960036648 A KR 960036648A KR 1019950005831 A KR1019950005831 A KR 1019950005831A KR 19950005831 A KR19950005831 A KR 19950005831A KR 960036648 A KR960036648 A KR 960036648A
Authority
KR
South Korea
Prior art keywords
motion
processing unit
similarity
btc
video signal
Prior art date
Application number
KR1019950005831A
Other languages
Korean (ko)
Other versions
KR0151478B1 (en
Inventor
정해묵
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950005831A priority Critical patent/KR0151478B1/en
Publication of KR960036648A publication Critical patent/KR960036648A/en
Application granted granted Critical
Publication of KR0151478B1 publication Critical patent/KR0151478B1/en

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
    • H04N19/10—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

본 발명은 영상 신호를 유사성 계산기법을 이용한 선택적 전송장치에 관한 것으로, 이를 해결하기 위해 블럭 트런케이션 코딩 (BTC) 방법을 이용하여 영상 신호의 비트 플랜과 이 비트 플랜의 대표정보를 제공하며, 이 분할된 비트플랜과 대응되는 대표정보를 이용하여 원래의 영상 복원하는 BTC 처리부와, 영상신호를 보상하여 제공하는 움직임 처리부와, 영상 신호간의 유사성을 계산하고, 이 유사성의 계산 결과에 따른 선택신호를 제공하는 절대평균에러 처리부와, 절대평균에러 처리부의 선택신호에 의해 선택적으로 이전 영상신호로 저장될 수 있도록 통로를 제어하는 제1, 2 선택기를 포함하여 구성되어 보다 효율적인 부호화를 수행할 수 있다.The present invention relates to a selective transmission apparatus using a similarity calculation method for a video signal. To solve this problem, a bit plan of a video signal and a representative information of the bit plan are provided using a block transition coding (BTC) method. Calculate the similarity between the BTC processing unit for reconstructing the original image, the motion processing unit for compensating and providing the video signal, and the selection signal according to the result of calculating the similarity using the representative information corresponding to the divided bit plan. The first and second selectors for controlling a path to be selectively stored as a previous video signal by a selection signal provided by the absolute average error processing unit and the selection signal of the absolute average error processing unit can be performed more efficiently.

Description

유사성 계산기법을 이용한 선택적 전송장치Selective Transmission Device Using Similarity Calculator

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

제1도는 본 발명에 대한 유사성 계산기법을 이용한 선택적 전송장치도, 제2도 내지 제4도는 본 발명을 설명하기 위한 도면.1 is a selective transmission apparatus using the similarity calculation method for the present invention, Figures 2 to 4 are views for explaining the present invention.

Claims (4)

블럭 트런케이션 코딩(BTC) 방법을 이용하여 입력되는 영상 신호를 비트 플랜으로 분할하고, 이 분할된 비트플랜과 이 비트 플랜의 대표정보를 제공하며, 상기 분할된 비트플랜과 대응되는 대표정보를 이용하여 원래의 영상 복원하는 BTC 처리부와; 입력되는 영상 신호의 프레임과 이전 영상 신호의 프레임을 비교에 의해 물체의 움직임을 추정하고, 이 추정된 움직임에 따른 영상 신호를 보상하여 제공하는 움직임 처리부와; 상기 움직임 처리부로부터 제공되는 영상신호와 현재 입력되는 영상 신호간의 유사성을 계산하고, 이 유사성의 계산 결과에 따른 선택신호를 제공하는 절대평균에러 처리부와; 상기 절대평균 에러 처리부의 선택신호에 의해 상기 BTC 처리부로부터 복원되는 영상 신호와. 상기 움직임 처리부에서 보상된 영상 신호중 어느 하나를 선택하여 이전 영상 신호로 저장될 수 있도록 통로를 제어하기 위한 제1선택기와; 상기 절대평규에러 처리부의 선택신호에 의해 상기 BTC 처리부의 대표 정보 및 이 비트플랜과, 상기 움직임 처리부의 움직임 변위를 나타내는 움직임 벡터중 어느 하나를 선택하여 출력될 수 있도록 통로를 제어하기 위한 제2선택기를 포함함을 특징으로 하는 유사성 계산기법을 이용한 선택적 전송장치.A video signal inputted using a block transition coding (BTC) method is divided into a bit plan, the divided bit plan and representative information of the bit plan are provided, and the representative information corresponding to the divided bit plan is used. A BTC processing unit for restoring the original image; A motion processor for estimating a motion of an object by comparing a frame of an input video signal with a frame of a previous video signal, and compensating for and providing an image signal according to the estimated motion; An absolute average error processor which calculates similarity between the video signal provided from the motion processor and the currently input video signal and provides a selection signal according to the result of the similarity calculation; An image signal reconstructed from the BTC processing unit by a selection signal of the absolute average error processing unit; A first selector for controlling a passage so that one of the image signals compensated by the motion processor can be selected and stored as a previous image signal; A second selector for controlling a passage to select and output one of the representative information of the BTC processing unit and the bit plan and a motion vector representing the motion displacement of the motion processing unit according to a selection signal of the absolute normal error processing unit; Selective transmission device using the similarity calculator method characterized in that it comprises a. 제1항에 있어서, 상기 움직임 처리부는, 상기 이전 영상 신호를 저장하는 프레임 메모리와, 상기 입력되는 현재 영상 신호와 상기 프레임 메모리로부터 제공되는 이전 영상을 근거로 물체의 움직임에 대한 변위를 추정하여 움직임 벡터를 제공하는 움직임 추정단과, 상기 움직임 추정단으로부터 제공되는 움직임 벡터를 근거로 상기 프레임 메모리의 이전 프레임의 움직임을 보상하며, 이 보상된 영상 신호를 제공하기 위한 움직임 보상단을 포함함을 특징으로 하는 유사성 계산기법을 이용한 선택적 전송장치.The apparatus of claim 1, wherein the motion processor is configured to estimate a displacement of an object's movement based on a frame memory storing the previous image signal, the input current image signal, and a previous image provided from the frame memory. A motion estimation stage for providing a vector, and a motion compensation stage for compensating for the movement of a previous frame of the frame memory based on the motion vector provided from the motion estimation stage, and for providing the compensated image signal. Selective transmission device using a similarity calculation method. 제1항에 있어서, 상기 제1선택기는, 상기 절대평균에러 처리부에서 측정된 유사성 측정값이 기설정된 유사성을 나타내는 임계값보다 작으면, 상기 움직임이 보상된 움직임 벡터를 프레임 메모리로 제공받을 수 있도록 절환시키고, 상기 측정된 유사성 측정값이 기설정된 유사성을 나타내는 임계값보다 크면, 상기 역BTC 처리단으로부터 복원된 영상 신호가 프레임 메모리로 전달되도록 절환됨을 특징으로 하는 유사성 계산기법을 이용한 선택적 전송장치.The frame selector of claim 1, wherein the first selector is configured to receive a motion vector compensated for the motion to a frame memory when the similarity measurement value measured by the absolute mean error processing unit is smaller than a threshold indicating a predetermined similarity. And switching the image signal reconstructed from the inverse BTC processing stage to a frame memory if the measured similarity measurement value is larger than a threshold indicating a predetermined similarity. 제1항에 있어서, 상기 제2선택기는, 상기 절대평균에러 처리부에서 측정된 유사성 측정값이 기설정된 유사성을 나타내는 임계값보다 작으면, 움직임 추정부로부터 제공되는 움직임 벡터가 출력되도록 절환시키고, 절대평균에러 처리부에서 측정된 유사성 측정값이 기설정된 유사성을 나타내는 임계값보다 크면, 상기 BTC 처리부로부터 제공되는 대표 정보와 함께 비트플랜이 출력되도록 절환됨을 특징으로 하는 유사성 계산기법을 이용한 선택적 전송장치.The method of claim 1, wherein the second selector, when the similarity measurement value measured by the absolute mean error processing unit is less than the threshold value indicating a predetermined similarity, and switches so that the motion vector provided from the motion estimation unit is output, And if the similarity measurement value measured by the average error processing unit is larger than a threshold indicating a preset similarity, the bit plan is switched with the representative information provided from the BTC processing unit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950005831A 1995-03-20 1995-03-20 Apparatus for selective transmitting by means of similarity measurement KR0151478B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950005831A KR0151478B1 (en) 1995-03-20 1995-03-20 Apparatus for selective transmitting by means of similarity measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950005831A KR0151478B1 (en) 1995-03-20 1995-03-20 Apparatus for selective transmitting by means of similarity measurement

Publications (2)

Publication Number Publication Date
KR960036648A true KR960036648A (en) 1996-10-28
KR0151478B1 KR0151478B1 (en) 1998-10-15

Family

ID=19410158

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950005831A KR0151478B1 (en) 1995-03-20 1995-03-20 Apparatus for selective transmitting by means of similarity measurement

Country Status (1)

Country Link
KR (1) KR0151478B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828320B1 (en) * 2001-08-21 2008-05-08 엘지전자 주식회사 Method for transmitting and receiving video signal for rap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828320B1 (en) * 2001-08-21 2008-05-08 엘지전자 주식회사 Method for transmitting and receiving video signal for rap

Also Published As

Publication number Publication date
KR0151478B1 (en) 1998-10-15

Similar Documents

Publication Publication Date Title
KR0148154B1 (en) Coding method and apparatus with motion dimensions
KR960040014A (en) Grid forming method and device in motion compensation using feature points
KR970003799B1 (en) Image signal transferring device
KR960028558A (en) Bit rate reduction device and motion vector processing device used therein
JPH09187015A (en) Image encoder and decoder
KR960039997A (en) Method and apparatus for encoding video signal using feature point based motion estimation
US5103307A (en) Interframe predictive coding/decoding system for varying interval between independent frames
KR960028555A (en) Video coding method and video decoding method
KR970706542A (en) Method and Apparatus for Regenerating a Dense Motion Vector Field
KR940013215A (en) A method and apparatus for encoding video motion related information for quantization control
KR960036648A (en) Selective Transmission Device Using Similarity Calculator
KR970068623A (en) Object Contour Coding System and Motion Estimation Method Thereof (SYSTEM FOR ENCODING CONTOUR OF OBJECT IN OBJECT BASED ENCODING SYSTEM AND MOTION ESTIMATION METHOD THEREOF)
EP0613299A2 (en) Dual bus dual bank architecture for motion compensation
BRPI0109962B1 (en) process for storing and processing image information from successive images over time
JP4326758B2 (en) Moving picture coding apparatus and moving picture decoding apparatus
KR960028495A (en) Motion estimator in video encoding device
KR970032136A (en) Motion estimator
KR100275546B1 (en) Adaptive mapping parameter detection method
KR970032164A (en) Motion estimator
JP2596352B2 (en) Decimal precision motion vector search device
KR0123097B1 (en) Device for encoding and decoding the contour data
JP4875187B2 (en) Video decoding device
KR970009417A (en) Motion prediction device for ultra low speed transmission
JP4571173B2 (en) Video decoding device
KR970057956A (en) Motion Estimator of Image Encoder

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20120604

Year of fee payment: 15

FPAY Annual fee payment

Payment date: 20130603

Year of fee payment: 16

LAPS Lapse due to unpaid annual fee