DE69208005T2 - Verfahren und Vorrichtung für Abstandsmessung - Google Patents

Verfahren und Vorrichtung für Abstandsmessung

Info

Publication number
DE69208005T2
DE69208005T2 DE69208005T DE69208005T DE69208005T2 DE 69208005 T2 DE69208005 T2 DE 69208005T2 DE 69208005 T DE69208005 T DE 69208005T DE 69208005 T DE69208005 T DE 69208005T DE 69208005 T2 DE69208005 T2 DE 69208005T2
Authority
DE
Germany
Prior art keywords
distance measuring
measuring method
distance
measuring
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69208005T
Other languages
English (en)
Other versions
DE69208005D1 (de
Inventor
Shigeru Sasaki
Takashi Toriu
Yoshiyuki Ohta
Masaki Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69208005D1 publication Critical patent/DE69208005D1/de
Publication of DE69208005T2 publication Critical patent/DE69208005T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/80—Exterior conditions
    • B60G2400/82—Ground surface
    • B60G2400/823—Obstacle sensing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/14—Photo or light sensitive means, e.g. Infrared
    • B60G2401/142—Visual Display Camera, e.g. LCD
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/22—Braking, stopping
    • B60G2800/222—Braking, stopping during collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/24—Steering, cornering
    • B60G2800/242—Obstacle avoidance manoeuvre
DE69208005T 1991-09-20 1992-09-21 Verfahren und Vorrichtung für Abstandsmessung Expired - Fee Related DE69208005T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03241289A JP3110095B2 (ja) 1991-09-20 1991-09-20 測距方法及び測距装置

Publications (2)

Publication Number Publication Date
DE69208005D1 DE69208005D1 (de) 1996-03-14
DE69208005T2 true DE69208005T2 (de) 1996-06-13

Family

ID=17072055

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69208005T Expired - Fee Related DE69208005T2 (de) 1991-09-20 1992-09-21 Verfahren und Vorrichtung für Abstandsmessung

Country Status (6)

Country Link
US (1) US5576975A (de)
EP (1) EP0533590B1 (de)
JP (1) JP3110095B2 (de)
KR (1) KR970001140B1 (de)
CA (1) CA2078638C (de)
DE (1) DE69208005T2 (de)

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Also Published As

Publication number Publication date
CA2078638C (en) 2000-01-25
JPH0579838A (ja) 1993-03-30
JP3110095B2 (ja) 2000-11-20
EP0533590A2 (de) 1993-03-24
KR930006434A (ko) 1993-04-21
US5576975A (en) 1996-11-19
EP0533590A3 (en) 1993-05-12
KR970001140B1 (ko) 1997-01-29
DE69208005D1 (de) 1996-03-14
EP0533590B1 (de) 1996-01-31
CA2078638A1 (en) 1993-03-21

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