KR930003676A - Automatic tracking of the subject of the camcorder - Google Patents

Automatic tracking of the subject of the camcorder Download PDF

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Publication number
KR930003676A
KR930003676A KR1019910011622A KR910011622A KR930003676A KR 930003676 A KR930003676 A KR 930003676A KR 1019910011622 A KR1019910011622 A KR 1019910011622A KR 910011622 A KR910011622 A KR 910011622A KR 930003676 A KR930003676 A KR 930003676A
Authority
KR
South Korea
Prior art keywords
subject
signal
data
edge detector
image memory
Prior art date
Application number
KR1019910011622A
Other languages
Korean (ko)
Other versions
KR940001832B1 (en
Inventor
김성훈
Original Assignee
강진구
삼성전자 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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019910011622A priority Critical patent/KR940001832B1/en
Publication of KR930003676A publication Critical patent/KR930003676A/en
Application granted granted Critical
Publication of KR940001832B1 publication Critical patent/KR940001832B1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/174—Segmentation; Edge detection involving the use of two or more images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/269—Analysis of motion using gradient-based methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
    • H04N5/772—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera the recording apparatus and the television camera being placed in the same enclosure

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

내용 없음.No content.

Description

캠코더의 피사체 자동 추적장치Automatic tracking of the subject of the camcorder

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

제1도는 본 발명에 따른 피사체 자동 추적장치의 블럭 다이어그램,1 is a block diagram of an automatic subject tracking apparatus according to the present invention;

제2도는 움직임 검출기의 상세 블럭도,2 is a detailed block diagram of a motion detector;

제3도는 피사체를 추적한 효과를 나타내는 도면으로서, (A)는 원래의 촬상소자에서 촬상된 영상영역, (B)는 전자줌을 한 상태에서의 디스플레이 화면, (C)와 (D)는 피사체의 움직임에 따라(B)의 영역을 추적해서 디스플레이한 화면.3 is a view showing the effect of tracking the subject, (A) is an image area captured by the original image pickup device, (B) is a display screen with the electronic zoom, (C) and (D) is a subject Screen that tracks and displays the area of (B) according to the movement of.

Claims (1)

렌즈를 통해 촬상소자에 의해 광전변환된 전기적인 신호를 디지틀 신호로 변환하기 위한 아날로그/디지틀 변환기, 상기의 디지틀 변환된 신호를 저장하기 위한 화상 메모리와, 상기의 착상된 신호의 시간적으로 전후에 있는 프레임의 특정 영역을 검출하기 위한 영역 검출기, 상기의 촬상된 신호의 특정 영역 데이터보다 큰 영역 데이터의 엣지부분을 검출하기 위한 제1엣지 검출기, 상기의 화상 메모리에서 출력되는 데이터 신호의 엣지부분을 검출하기 위한 제2엣지 검출기, 상기의 제1엣지 검출기와 제2엣지 검출기에서 검출된 데이터를 상호 비교하여 피사체의 움직임 량과 방향을 위한 움직임 리터를 생성하는 영역별 움직임 벡터 생성부, 상기의 영역별 움직임 벡터 생성부에서 발생된 신호를 입력으로 하여 화상 메모리로부터의 데이터를 독출하고 화상을 보정하여 피사체의 움직임에 따라 카메라를 자동적으로 이동시켜 피사체를 촬영토록한 제어부로 구성시켜서됨을 특징으로 하는 피사체 자동 추적장치.An analog / digital converter for converting an electrical signal photoelectrically converted by the image pickup device through a lens into a digital signal, an image memory for storing the digitally converted signal, and a time signal before and after the imaged signal. An area detector for detecting a specific region of a frame, a first edge detector for detecting an edge portion of region data larger than the specific region data of the imaged signal, and an edge portion of a data signal output from the image memory A motion vector generation unit for each region for generating a motion liter for the movement amount and direction of the subject by comparing the data detected by the second edge detector, the first edge detector and the second edge detector to each other; The data generated from the motion vector generator is used as an input to read data from the image memory. The apparatus for automatically tracking a subject according to claim 1, wherein the subject is configured by a controller configured to photograph the subject by automatically moving the camera according to the movement of the subject. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910011622A 1991-07-09 1991-07-09 Automatic pursuit apparatus in camcorder KR940001832B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910011622A KR940001832B1 (en) 1991-07-09 1991-07-09 Automatic pursuit apparatus in camcorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910011622A KR940001832B1 (en) 1991-07-09 1991-07-09 Automatic pursuit apparatus in camcorder

Publications (2)

Publication Number Publication Date
KR930003676A true KR930003676A (en) 1993-02-24
KR940001832B1 KR940001832B1 (en) 1994-03-09

Family

ID=19316982

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910011622A KR940001832B1 (en) 1991-07-09 1991-07-09 Automatic pursuit apparatus in camcorder

Country Status (1)

Country Link
KR (1) KR940001832B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970024925A (en) * 1995-10-26 1997-05-30 구자홍 Camcorder tracking system and method
KR100222040B1 (en) * 1996-09-16 1999-10-01 윤종용 Digital video camera to be able to estimate the motion vector
KR100234237B1 (en) * 1993-07-29 1999-12-15 윤종용 Moving picture motion detecting apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100234237B1 (en) * 1993-07-29 1999-12-15 윤종용 Moving picture motion detecting apparatus
KR970024925A (en) * 1995-10-26 1997-05-30 구자홍 Camcorder tracking system and method
KR100222040B1 (en) * 1996-09-16 1999-10-01 윤종용 Digital video camera to be able to estimate the motion vector

Also Published As

Publication number Publication date
KR940001832B1 (en) 1994-03-09

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