KR950007542A - Image Coding Apparatus Performing Adaptive Preprocessing - Google Patents

Image Coding Apparatus Performing Adaptive Preprocessing Download PDF

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Publication number
KR950007542A
KR950007542A KR1019930017194A KR930017194A KR950007542A KR 950007542 A KR950007542 A KR 950007542A KR 1019930017194 A KR1019930017194 A KR 1019930017194A KR 930017194 A KR930017194 A KR 930017194A KR 950007542 A KR950007542 A KR 950007542A
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KR
South Korea
Prior art keywords
image
signal
preprocessing
encoding
input image
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KR1019930017194A
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Korean (ko)
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KR0122744B1 (en
Inventor
김상호
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배순훈
대우전자 주식회사
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Priority to KR1019930017194A priority Critical patent/KR0122744B1/en
Publication of KR950007542A publication Critical patent/KR950007542A/en
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Publication of KR0122744B1 publication Critical patent/KR0122744B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/42—Flyback transformers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/19—Arrangements or assemblies in supply circuits for the purpose of withstanding high voltages

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

Abstract

본 발명은 적응적 전처리를 행하는 영상 부호화 장치에 관한 것으로, 입력되는 화상 신호의 복잡도를 산출하여 기설정된 임계값과 비교한 후 이에 대응하는 제1 및 제2신호를 발생하는 화상 복잡도 분석 수단(70)의 출력신호에 응답하여 먼저 전처리를 수행하고 부호화하거나 직접 부호화하는 장치에 있어서, 상기 화상 복잡도 분석 수단(70)에서 출력하는 신호가 제1신호인 경우에 입력 화상에 대한 부호화 효율은 높이고 화질을 개선하기 위해 먼저 소정만큼 열화시켜 부호화하도록 전처리를 수행하는 전처리 수단(20)과, 상기 화상 복잡도 분석 수단(70)에서 출력하는 신호가 제1신호인 경우에는 상기 입력 화상을 상기 전처리 수단(20)의 입력단으로 접속시키며, 제2신호인 경우에는 상기 입력 화상을 직접 부호화 하는 장치로 접속시키는 스위칭수단(10)으로 이루어진다.The present invention relates to an image encoding apparatus that performs adaptive preprocessing. An image complexity analyzing means (70) for calculating a complexity of an input image signal, comparing the predetermined image with a preset threshold value, and generating first and second signals corresponding thereto. In an apparatus for performing pre-processing and encoding or directly encoding in response to an output signal of a), when the signal output from the image complexity analyzing means 70 is a first signal, the encoding efficiency for the input image is increased and image quality is improved. In order to improve, the preprocessing means 20 performs preprocessing so as to deteriorate and encode by a predetermined amount first, and when the signal output from the image complexity analyzing means 70 is the first signal, the preprocessing means 20 A switching means (10) for connecting to an input terminal of an input terminal and for connecting the input image to an apparatus for directly encoding the input image. Achieved.

Description

적응적 전처리를 행하는 행하는 영상 부호화 장치A video encoding device performing adaptive preprocessing

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

도면은 본 발명에 따른 영상 부호화 장치를 도시한 상세 블럭도.Figure is a detailed block diagram showing a video encoding apparatus according to the present invention.

Claims (1)

입력되는 화상 신호의 복잡도를 산출하여 기설정된 임계값과 비교한 후 이에 대응하는 제1 및 제2신호를 발생하는 화상 복잡도 분석 수단(70)의 출력신호에 응답하여 먼저 전처리를 수행하고 부호화 하거나, 전처리를 수행하지 않고 직접 부호화하는 영상 부호화 장치에 있어서, 상기 화상 복잡도 분석 수단(70)에서 출력하는 신호가 제1신호인 경우에 입력 화상에 대한 부호화 효율은 높이고 화질을 개선하기 위해 먼저 소정만큼 열화시켜 부호화하도록 전처리를 수행하는 전처리 수단(20)과; 상기 화상 복잡도 분석 수단(70)에서 출력하는 신호가 제1신호인 경우에는 상기 입력 화상을 상기 전처리 수단(20)의 입력단으로 접속시키며, 출력하는 신호가 제2신호인 경우에는 상기 입력 화상을 직접 부호화하는 장치로 접속시키는 스위칭수단(10)을 포함하는 적응적 전처리를 행하는 영상 부호화 장치.In response to an output signal of the image complexity analyzing means 70 that calculates the complexity of the input image signal, compares it with a preset threshold, and generates first and second signals corresponding thereto, first performs pre-processing and encodes the result; In the image encoding apparatus which directly encodes without performing preprocessing, when the signal output from the image complexity analyzing unit 70 is the first signal, the encoding efficiency of the input image is deteriorated by a predetermined amount in order to improve the image quality and to improve the image quality. Preprocessing means (20) for performing preprocessing so as to make encoding; If the signal output from the image complexity analyzing means 70 is the first signal, the input image is connected to the input terminal of the preprocessing means 20. If the output signal is the second signal, the input image is directly An image encoding apparatus for performing adaptive preprocessing comprising switching means (10) for connecting to an encoding apparatus. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930017194A 1993-08-31 1993-08-31 Apparatus for cording picture by adaptive processing KR0122744B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930017194A KR0122744B1 (en) 1993-08-31 1993-08-31 Apparatus for cording picture by adaptive processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930017194A KR0122744B1 (en) 1993-08-31 1993-08-31 Apparatus for cording picture by adaptive processing

Publications (2)

Publication Number Publication Date
KR950007542A true KR950007542A (en) 1995-03-21
KR0122744B1 KR0122744B1 (en) 1997-11-17

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KR1019930017194A KR0122744B1 (en) 1993-08-31 1993-08-31 Apparatus for cording picture by adaptive processing

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Families Citing this family (1)

* 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

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