KR920020461A - Motion vector detection method of video signal and its device - Google Patents

Motion vector detection method of video signal and its device Download PDF

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Publication number
KR920020461A
KR920020461A KR1019910005539A KR910005539A KR920020461A KR 920020461 A KR920020461 A KR 920020461A KR 1019910005539 A KR1019910005539 A KR 1019910005539A KR 910005539 A KR910005539 A KR 910005539A KR 920020461 A KR920020461 A KR 920020461A
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South Korea
Prior art keywords
previous frame
current frame
frame data
difference
video signal
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KR1019910005539A
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Korean (ko)
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서윤석
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이헌조
주식회사 금성사
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Priority to KR1019910005539A priority Critical patent/KR920020461A/en
Publication of KR920020461A publication Critical patent/KR920020461A/en

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Abstract

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Description

영상신호의 움직임 벡터 검출방식 및 그 장치Motion vector detection method of video signal and its device

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

제3도는 제2도에 따른 동작흐름도,3 is a flow chart of operation according to FIG.

제4도는 본 발명에 따른 영상신호의 움직임 벡터 검출장치 구성도,4 is a block diagram of an apparatus for detecting a motion vector of an image signal according to the present invention;

제5도는 본 발명에 따른 윤곽검출 원리도.5 is a contour detection principle in accordance with the present invention.

Claims (3)

현재프레임과 이전프레임의 영상데이타를 블록메칭 알고리즘에 의해 움직임 검출을 하는 영상신호의 움직임 검출방식에 있어서, 이전프레임의 윤곽정보 및 현재프레임의 윤곽정보를 검출하여 이를 모두 포함하는 윤곽마스크를 만들고, 이전프레임과 현재프레임의 차영상을 구해 이에 따른 차 마스크를 만들어 상기 윤곽마스크와 차마스크의 비교에 따른 중복정도를 측정한 후 이 중복정도에 따라 메칭블록의 크기를 가변시키면서 움직임 벡터를 검출하는 것을 특징으로 하는 영상신호의 움직임 검출방식In the motion detection method of the video signal that detects the motion data of the current frame and the previous frame by block matching algorithm, the contour mask including both the contour information of the previous frame and the contour information of the current frame is detected, After obtaining the difference image between the previous frame and the current frame, make a difference mask and measure the degree of overlap according to the comparison of the contour mask and the difference mask, and then detect the motion vector while varying the size of the matching block according to this overlap. Motion detection method of video signal 제1항에 있어서, 입력되는 프레임 데이타의 고주파 성분을 줄여 영상의 질감을 부드럽게 전치 처리를 수행하는 것을 특징으로 하는 영상신호의 움직임 검출방식.The motion detection method of claim 1, wherein the high frequency component of the input frame data is reduced to smoothly preprocess the texture of the image. 프레임단위로 입력되는 영상데이타의 고주파 성분을 줄이는 전치 처리부(21)와, 그 전치처리부(21)의 출력을 입력받아 이전프레임데이타를 저장하는 프레임메모리(22)와, 상기 전치처리부(21)를 통해 입력되는 현재프레임데이타 및 상기 프레임메모리(22)의 이전프레임데이타를 각기 입력받아 윤곽정보를 검출하는 현프레임에지검출부(24)및 이전프레임에지검출부(26)와, 에지검출부(24), (26)의 출력을 합산하는 가산기(27)와, 상기 현재프레임데이타와 이전프레임데이타를 비교하여 그 차영상을 검출하는 차검출부(25)와, 헌재 및 이전프레임데이타를 입력받아 블록메칭 알고리즘에 따라 움직임 벡터를 검출하되 상기 가산기(27)의 윤곽 정보 및 상기 차검출부(25)의 차영상에 따라 메칭블록을 가변시키면서 움직임 벡터를 검출하는 움직임 벡터 검출부(23)로 구성하여 된 것을 특징으로 하는 영상신호의 움직임 검출장치.Pre-processing unit 21 for reducing the high frequency components of the image data input in the frame unit, a frame memory 22 for receiving the output of the pre-processing unit 21 and storing the previous frame data, and the pre-processing unit 21 The current frame edge detection unit 24 and the previous frame edge detection unit 26, the edge detection unit 24, (the current frame data input through the current frame data and the previous frame data of the frame memory 22, respectively, to detect the contour information; An adder 27 for summing the outputs of the 26), a difference detector 25 for comparing the current frame data with previous frame data, and detecting the difference image, and receiving old and previous frame data according to a block matching algorithm. The motion vector detector 23 detects a motion vector while varying a matching block according to the contour information of the adder 27 and the difference image of the difference detector 25. The motion detection device of the video signal, characterized in that the by. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910005539A 1991-04-06 1991-04-06 Motion vector detection method of video signal and its device KR920020461A (en)

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KR1019910005539A KR920020461A (en) 1991-04-06 1991-04-06 Motion vector detection method of video signal and its device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100423133B1 (en) * 1997-03-06 2004-05-17 삼성전자주식회사 Method for extracting edge information of image
WO2011084037A2 (en) * 2010-01-11 2011-07-14 성균관대학교산학협력단 Distributed video coding/decoding method, distributed video coding/decoding apparatus, and transcoding apparatus
US9210436B2 (en) 2010-01-11 2015-12-08 Sungkyunkwan University Foundation For Corporate Collaboration Distributed video coding/decoding method, distributed video coding/decoding apparatus, and transcoding apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100423133B1 (en) * 1997-03-06 2004-05-17 삼성전자주식회사 Method for extracting edge information of image
WO2011084037A2 (en) * 2010-01-11 2011-07-14 성균관대학교산학협력단 Distributed video coding/decoding method, distributed video coding/decoding apparatus, and transcoding apparatus
WO2011084037A3 (en) * 2010-01-11 2011-11-10 성균관대학교산학협력단 Distributed video coding/decoding method, distributed video coding/decoding apparatus, and transcoding apparatus
US9210436B2 (en) 2010-01-11 2015-12-08 Sungkyunkwan University Foundation For Corporate Collaboration Distributed video coding/decoding method, distributed video coding/decoding apparatus, and transcoding apparatus

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