WO2001091450A3 - Preventing blur caused by motion of the subject in a digital image - Google Patents

Preventing blur caused by motion of the subject in a digital image Download PDF

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Publication number
WO2001091450A3
WO2001091450A3 PCT/US2001/016141 US0116141W WO0191450A3 WO 2001091450 A3 WO2001091450 A3 WO 2001091450A3 US 0116141 W US0116141 W US 0116141W WO 0191450 A3 WO0191450 A3 WO 0191450A3
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WO
WIPO (PCT)
Prior art keywords
sensor
image
array
exposure
brightness
Prior art date
Application number
PCT/US2001/016141
Other languages
French (fr)
Other versions
WO2001091450A2 (en
Inventor
Damon L Tull
Original Assignee
Damon L Tull
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 Damon L Tull filed Critical Damon L Tull
Priority to JP2001586910A priority Critical patent/JP2003534733A/en
Publication of WO2001091450A2 publication Critical patent/WO2001091450A2/en
Publication of WO2001091450A3 publication Critical patent/WO2001091450A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure
    • H04N25/53—Control of the integration time
    • H04N25/533—Control of the integration time by using differing integration times for different sensor regions
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/681—Motion detection
    • H04N23/6811—Motion detection based on the image signal
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/683—Vibration or motion blur correction performed by a processor, e.g. controlling the readout of an image memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H04N25/77—Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components

Abstract

A digital camera has a sensor array which removes subject motion blur by monitoring the rate at which charge is collected by the individual sensors within the array during scene imaging. If the rate at which photons (80) are striking the sensor varies, then the brightness of the image which the sensor is viewing must be changing. When a circuit (68) built in the sensor array detects that the image brightness is changing, the amount of charge collected is preserved and the time at which brightness change was detected is recorded. Each pixel corresponding to each sensor where exposure was stopped is adjusted to the proper exposure by linearly extrapolating the exposure the sensor did receive so that the pixel corresponding to the sensor has an intensity corresponding to the dynamic range of the entire image. The image sensing array will preferably be implemented as active-pixel sensor CMOS image sensors.
PCT/US2001/016141 2000-05-19 2001-05-17 Preventing blur caused by motion of the subject in a digital image WO2001091450A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001586910A JP2003534733A (en) 2000-05-19 2001-05-17 Camera and method for preventing digital image blur caused by subject movement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/574,533 US6441848B1 (en) 2000-05-19 2000-05-19 Preventing blur caused by motion of the subject in a digital image
US09/574,533 2000-05-19

Publications (2)

Publication Number Publication Date
WO2001091450A2 WO2001091450A2 (en) 2001-11-29
WO2001091450A3 true WO2001091450A3 (en) 2002-05-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/016141 WO2001091450A2 (en) 2000-05-19 2001-05-17 Preventing blur caused by motion of the subject in a digital image

Country Status (3)

Country Link
US (2) US6441848B1 (en)
JP (1) JP2003534733A (en)
WO (1) WO2001091450A2 (en)

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Also Published As

Publication number Publication date
US7050091B2 (en) 2006-05-23
US6441848B1 (en) 2002-08-27
JP2003534733A (en) 2003-11-18
WO2001091450A2 (en) 2001-11-29
US20020154232A1 (en) 2002-10-24

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