CA2174574A1 - Method and System for Panoramic Viewing - Google Patents

Method and System for Panoramic Viewing

Info

Publication number
CA2174574A1
CA2174574A1 CA2174574A CA2174574A CA2174574A1 CA 2174574 A1 CA2174574 A1 CA 2174574A1 CA 2174574 A CA2174574 A CA 2174574A CA 2174574 A CA2174574 A CA 2174574A CA 2174574 A1 CA2174574 A1 CA 2174574A1
Authority
CA
Canada
Prior art keywords
cameras
memory
shaped element
reflective
sides
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.)
Granted
Application number
CA2174574A
Other languages
French (fr)
Other versions
CA2174574C (en
Inventor
Vishvjit Singh Nalwa
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.)
AT&T Corp
Original Assignee
AT&T IPM Corp
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 AT&T IPM Corp filed Critical AT&T IPM Corp
Publication of CA2174574A1 publication Critical patent/CA2174574A1/en
Application granted granted Critical
Publication of CA2174574C publication Critical patent/CA2174574C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/08—Periscopes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/17—Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
    • G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/58—Means for changing the camera field of view without moving the camera body, e.g. nutating or panning of optics or image sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation

Abstract

Four cameras (52,54, 56, 58) provide a 360 degree view of an area using a four sided pyramid shaped element (40). The four sides of the pyramid shaped element (40) are reflective and reflect images from four different directions. Each camera is positioned to receive a reflected image from one of the reflective sides of the pyramids. The cameras are arranged so that they share a common virtual optical center (90). Pixel data from the cameras is stored in a memory (172), and the data is selectively retrieved from the memory for viewing based on a user's input.
CA002174574A 1995-04-28 1996-04-19 Method and system for panoramic viewing Expired - Fee Related CA2174574C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US431,354 1995-04-28
US08/431,354 US5990934A (en) 1995-04-28 1995-04-28 Method and system for panoramic viewing

Publications (2)

Publication Number Publication Date
CA2174574A1 true CA2174574A1 (en) 1996-10-29
CA2174574C CA2174574C (en) 2000-06-27

Family

ID=23711561

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002174574A Expired - Fee Related CA2174574C (en) 1995-04-28 1996-04-19 Method and system for panoramic viewing

Country Status (5)

Country Link
US (1) US5990934A (en)
EP (1) EP0740177A3 (en)
JP (1) JPH08307735A (en)
KR (1) KR960039976A (en)
CA (1) CA2174574C (en)

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Also Published As

Publication number Publication date
EP0740177A2 (en) 1996-10-30
US5990934A (en) 1999-11-23
JPH08307735A (en) 1996-11-22
EP0740177A3 (en) 1997-04-16
KR960039976A (en) 1996-11-25
CA2174574C (en) 2000-06-27

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