KR970014396A - Motion Estimator in Video Encoder - Google Patents

Motion Estimator in Video Encoder Download PDF

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Publication number
KR970014396A
KR970014396A KR1019950028338A KR19950028338A KR970014396A KR 970014396 A KR970014396 A KR 970014396A KR 1019950028338 A KR1019950028338 A KR 1019950028338A KR 19950028338 A KR19950028338 A KR 19950028338A KR 970014396 A KR970014396 A KR 970014396A
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South Korea
Prior art keywords
motion estimation
memory
units
integer
integer pixel
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Application number
KR1019950028338A
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Korean (ko)
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KR0185841B1 (en
Inventor
윤상호
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배순훈
대우전자 주식회사
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Priority to KR1019950028338A priority Critical patent/KR0185841B1/en
Publication of KR970014396A publication Critical patent/KR970014396A/en
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Publication of KR0185841B1 publication Critical patent/KR0185841B1/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
    • H04N19/50—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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
    • 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

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

Abstract

본 발명은 영상 부호화기에서의 움직임 추정 장치에 관한 것으로서, 본 발명의 장치는 정수 화소 움직임 추정용 메모리(10)와 정수 화소 움직임 추정부(12)가 구비된 영상 부호화기에서의 움직임 추정 장치에 있어서, 반화소 단위의 움직임 추정을 위해 상기 정수 화소 움직임 추정용 메모리(10)로 부터의 탐색 영역에 해당하는 영상 데이타를 저장하는 반화소 움직임 추정용 메모리(20); 및 정수 단위의 움직임 벡터를 중심으로 반환소 단위의 움직임 추정을 행한 뒤 움직임 벡터를 출력하는 반화소 움직임 추정부(22)로 구성되어 있으며, 반화소 움직임 추정을 위한 메모리로 프레임 용량의 메모리를 사용하는 대신에 탐색 영역 용량의 메모리를 사용하므로써, 하드웨어의 비용을 감소시킬 수 있다는데 그 이점이 있다.The present invention relates to a motion estimation apparatus in an image encoder. The apparatus of the present invention is a motion estimation apparatus in an image encoder including an integer pixel motion estimation memory 10 and an integer pixel motion estimation unit 12. A half-pixel motion estimation memory 20 for storing image data corresponding to a search area from the integer pixel motion estimation memory 10 for motion estimation in units of half pixels; And a half-pixel motion estimator 22 for performing a return-unit-based motion estimation based on a motion vector in an integer unit and outputting a motion vector. Instead, the use of memory of search area capacity can reduce the cost of hardware.

Description

영상 부호기에서의 움직임 추정 장치Motion Estimator in Video Encoder

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

제4도는 본 발명의 영상 부호화기에서의 움직임 추정 장치에 대한 블럭도,4 is a block diagram of a motion estimation apparatus in an image encoder of the present invention;

제5도는 반환소 움직임 추정시의 탐색 영역을 나타낸 예시도이다.5 is an exemplary diagram illustrating a search area in estimating return station motion.

Claims (1)

정수 화소 단위의 움직임 추정을 위해 입력되는 영상 데이타중 I-화상과 P-화상에 해당하는 기준 프레임의 데이타를 저장하는 정수 화소 움직임 추정용 메모리(10) 및 현재 프레임의 데이타와 상기 정수 화소 움직임 추정용 메모리(10)로 부터의 탐색 영역 데이타를 입력받아 정수 화소 단위의 움직임 추정을 행한 뒤 움직임 벡터를 출력하는 정수 화소 움직임 추정부(12)가 구비된 영상 부호화기에서의 움직임 추정 장치에 있어서, 반화소 단위의 움직임 추정을 위해 상기 정수 화소 움직임 추정용 메모리(10)로 부터의 탐색 영역에 해당하는 영상 데이타를 저장하는 반화소 움직임 추정용 메모리(20); 및 정수 단위의 움직임 벡터를 중심으로 반환소 단위의 움직임 추정을 행한 뒤 움직임 벡터를 출력하는 반화소 움직임 추정부(22)로 구성된 것을 특징으로 하는 영상 부호화기에서의 움직임 추정 장치.Integer pixel motion estimation memory 10 that stores data of reference frames corresponding to I-pictures and P-pictures among image data input for motion estimation in integer pixel units, data of a current frame, and the integer pixel motion estimation A motion estimation apparatus in an image encoder having an integer pixel motion estimation unit 12 that receives input search area data from the memory 10 and performs motion estimation in units of integer pixels, and outputs a motion vector. A half-pixel motion estimation memory 20 for storing image data corresponding to a search area from the integer pixel motion estimation memory 10 for pixel-based motion estimation; And a half-pixel motion estimation unit (22) configured to output a motion vector after performing motion estimation in units of return units centering on the motion vector in units of integers. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950028338A 1995-08-31 1995-08-31 A motion extimator for a video coder KR0185841B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950028338A KR0185841B1 (en) 1995-08-31 1995-08-31 A motion extimator for a video coder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950028338A KR0185841B1 (en) 1995-08-31 1995-08-31 A motion extimator for a video coder

Publications (2)

Publication Number Publication Date
KR970014396A true KR970014396A (en) 1997-03-29
KR0185841B1 KR0185841B1 (en) 1999-05-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6332002B1 (en) 1997-11-01 2001-12-18 Lg Electronics Inc. Motion prediction apparatus and method
KR100439183B1 (en) * 2001-08-29 2004-07-05 한국전자통신연구원 Stochastic sampling based pel motion estimation method
KR100708183B1 (en) * 2005-09-26 2007-04-17 삼성전자주식회사 Image storing device for motion prediction, and method for storing data of the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220058258A (en) 2020-10-30 2022-05-09 주식회사 크리에이츠 Method, system, and non-transitory computer-readable recording medium for supporting a virtual golf simulation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6332002B1 (en) 1997-11-01 2001-12-18 Lg Electronics Inc. Motion prediction apparatus and method
KR100439183B1 (en) * 2001-08-29 2004-07-05 한국전자통신연구원 Stochastic sampling based pel motion estimation method
KR100708183B1 (en) * 2005-09-26 2007-04-17 삼성전자주식회사 Image storing device for motion prediction, and method for storing data of the same

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KR0185841B1 (en) 1999-05-01

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