KR950007526A - Video encoding device of video equipment - Google Patents

Video encoding device of video equipment Download PDF

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Publication number
KR950007526A
KR950007526A KR1019930016552A KR930016552A KR950007526A KR 950007526 A KR950007526 A KR 950007526A KR 1019930016552 A KR1019930016552 A KR 1019930016552A KR 930016552 A KR930016552 A KR 930016552A KR 950007526 A KR950007526 A KR 950007526A
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KR
South Korea
Prior art keywords
motion vector
video
video signal
receiving
low pass
Prior art date
Application number
KR1019930016552A
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Korean (ko)
Inventor
송민진
Original Assignee
배순훈
대우전자 주식회사
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019930016552A priority Critical patent/KR950007526A/en
Publication of KR950007526A publication Critical patent/KR950007526A/en

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Abstract

본 발명은 화면에 나타나는 구획 효과를 방지하기에 적합한 영상 기기의 동영상 부호화 장치에 관한 것으로, 종래의 움직임 벡터 예측기는 복원 영상을 이용하여 움직임 벡터를 찾기 때문에 복원 영상 자체에 왜곡이 있으므로써, 움직임 판단이 잘못 이루어지므로 움직임 벡터를 올바르게 구하지 못해 결국, 화면에 구획 효과가 나타났으나 본 발명에서는 움직임 벡터 판단기(4)가 움직임 벡터 추정시, 지연된 원래의 영상 신호와 현재의 영상 신호를 비교하여 판단하므로써 더욱 정확한 움직임 벡터를 찾을 수 있으므로 화면의 구획 효과가 줄어들고, 영상의 에지가 분명해 지므로 상기 결점을 개선시킬 수 있는 것이다.The present invention relates to a video encoding apparatus of a video apparatus suitable for preventing a partition effect appearing on a screen. Since a motion vector predictor finds a motion vector using a reconstructed image, the motion image is judged by distortion in the reconstructed image itself. Because of this error, the motion vector cannot be obtained correctly, resulting in a partition effect on the screen. However, in the present invention, when the motion vector determiner 4 estimates the motion vector, it is determined by comparing the delayed original video signal with the current video signal. By doing so, a more accurate motion vector can be found, thereby reducing the partition effect of the screen, and the edge of the image becomes clear, which can improve the above-mentioned shortcomings.

Description

영상 기기의 동영상 부호화 장치Video encoding device of video equipment

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

제1도는 본 발명 영상 기기의 동영상 부호화 장치를 나타낸 블럭도.1 is a block diagram showing a video encoding apparatus of a video device of the present invention.

제2도는 제1도에 따른 필터를 설명하기 위한 개략도.2 is a schematic diagram for explaining the filter according to FIG.

Claims (3)

영상 신호를 인가 받아 움직임 벡터를 출력하는 움직임 벡터 예측부(5)와; 상기 영상 신호를 가산기(6)를 통해 인가받아 그 영상 신호를 이산 코사인 변환하고 양자화하는 양자화부(9)와; 상기 양자화부(9)의 출력을 인가받아 역 양자화하고 역 이산 코사인 변환부(12)와; 상기 움직임 벡터 예측부(5)의 움직임 벡터 및 역 이산 코사인 변환부(12)의 출력을 가산기(13)를 통해 인가받아 움직임이 보상된 영상 신호를 상기 가산기(6, 13)에 인가하는 움직임 보상부(16)로 된 영상 기기의 동영상 부호화 장치.A motion vector predictor 5 which receives a video signal and outputs a motion vector; A quantizer 9 for receiving the video signal through an adder 6 for discrete cosine transforming and quantizing the video signal; An inverse quantized and inverse discrete cosine transform unit 12 receiving the output of the quantization unit 9; Motion compensation by applying the motion vector of the motion vector predictor 5 and the output of the inverse discrete cosine transformer 12 through the adder 13 to apply the motion compensated image signal to the adders 6 and 13. A video encoding apparatus of a video device comprising a section (16). 제1항에 있어서, 상기 움직임 벡터 예측부(5)는 상기 영상 신호를 인가 받아 지연하는 영상 지연기(1)와; 상기 영상 지연기(1)의 지연된 영상 신호를 인가 받아 잡음 성분을 제거하는 제1로우패스필터(2)와; 상기 영상 신호를 인가받아 잡음 성분을 제거하는 제2로우패스필터(3)와; 상기 제1로우패스필터(2)와 제2로우패스필터(3) 사이에 접속되어 지연된 영상 신호와 현재 영상 신호를 비교하여 움직임 벡터를 추정하는 움직임 벡터 판단기(4)를 포함하는 영상 기기의 동영상 부호화 장치.The apparatus of claim 1, wherein the motion vector predictor (5) comprises: an image delayer (1) for delaying by receiving the image signal; A first low pass filter (2) for receiving a delayed video signal of the video delay unit (1) to remove noise components; A second low pass filter 3 receiving the video signal to remove noise components; A motion vector determiner (4) connected between the first low pass filter (2) and the second low pass filter (3) and comparing a delayed video signal with a current video signal to estimate a motion vector. Video encoding device. 제2항에 있어서, 상기 제1, 2 로우패스필터(2, 3)는 유한 충격 응답 필터로된 영상 기기의 동영상 부호화 장치.3. The video encoding apparatus of claim 2, wherein the first and second low pass filters (2, 3) are finite shock response filters. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930016552A 1993-08-25 1993-08-25 Video encoding device of video equipment KR950007526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930016552A KR950007526A (en) 1993-08-25 1993-08-25 Video encoding device of video equipment

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Application Number Priority Date Filing Date Title
KR1019930016552A KR950007526A (en) 1993-08-25 1993-08-25 Video encoding device of video equipment

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KR950007526A true KR950007526A (en) 1995-03-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100349593B1 (en) * 1995-12-15 2003-01-14 삼성탈레스 주식회사 Converted auto regressive filter and filtering method thereof
KR100390739B1 (en) * 1995-10-26 2003-11-17 주식회사 팬택앤큐리텔 Apparatus and method for extracting motion failure region

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100390739B1 (en) * 1995-10-26 2003-11-17 주식회사 팬택앤큐리텔 Apparatus and method for extracting motion failure region
KR100349593B1 (en) * 1995-12-15 2003-01-14 삼성탈레스 주식회사 Converted auto regressive filter and filtering method thereof

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