BR112013007146A2 - sincronização de flash com o uso de sinal de temporização de interface de sensor de imagem - Google Patents

sincronização de flash com o uso de sinal de temporização de interface de sensor de imagem

Info

Publication number
BR112013007146A2
BR112013007146A2 BR112013007146A BR112013007146A BR112013007146A2 BR 112013007146 A2 BR112013007146 A2 BR 112013007146A2 BR 112013007146 A BR112013007146 A BR 112013007146A BR 112013007146 A BR112013007146 A BR 112013007146A BR 112013007146 A2 BR112013007146 A2 BR 112013007146A2
Authority
BR
Brazil
Prior art keywords
timing signal
flash
time
sensor
image sensor
Prior art date
Application number
BR112013007146A
Other languages
English (en)
Other versions
BR112013007146B1 (pt
Inventor
Guy Cote
Jeffrey E Frederiksen
Original Assignee
Apple Inc
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 Apple Inc filed Critical Apple Inc
Publication of BR112013007146A2 publication Critical patent/BR112013007146A2/pt
Publication of BR112013007146B1 publication Critical patent/BR112013007146B1/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/40—Circuit details for pick-up tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
    • H04N25/46—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by combining or binning pixels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/61—Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4"
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/68—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to defects
    • H04N25/683—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to defects by defect estimation performed on the scene signal, e.g. real time or on the fly detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/618—Noise processing, e.g. detecting, correcting, reducing or removing noise for random or high-frequency noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Color Television Image Signal Generators (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Image Processing (AREA)

Abstract

sincronização de flash com o uso de sinal de temporização de interface de sensor de imagem. certos aspectos desta revelação referem-se a um sistema de processamento de sinal de imagem 32 que inclui um controlador de flash 550 que é configurado para ativar um dispositivo de flash antes do início de um quadro de imagem alvo com o uso de um sinal de temporização de sensor. em uma modalidade, o controlador de flash 550 recebe um sinal de temporização de sensor atrasado e determina um tempo de início de ativação de flash com o uso do sinal de temporização de sensor atrasado para identificar um tempo correspondente ao final do quadro interior, aumentar aquele tempo em um tempo de supressão vertical e, então, subtrair um primeiro desvio para compensar o atraso entre o sinal de temporização de sensor e o sinal de temporização de sensor atrasado. então, o controlador sensor 550 substrai um segundo desvio para determinar o tempo de ativação de flash, garantindo, desse modo, que o flash seja ativado antes de receber o primeiro pixel do quadro alvo.
BR112013007146-0A 2010-09-30 2011-08-31 Método, sistema de processamento de sinal de imagem e dispositivo eletrônico para sincronização de flash com o uso de sinal de temporização de interface de sensor de imagem BR112013007146B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/895,093 2010-09-30
US12/895,093 US8488055B2 (en) 2010-09-30 2010-09-30 Flash synchronization using image sensor interface timing signal
PCT/US2011/050056 WO2012050677A1 (en) 2010-09-30 2011-08-31 Flash synchronization using image sensor interface timing signal

Publications (2)

Publication Number Publication Date
BR112013007146A2 true BR112013007146A2 (pt) 2016-06-14
BR112013007146B1 BR112013007146B1 (pt) 2021-09-28

Family

ID=44675824

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013007146-0A BR112013007146B1 (pt) 2010-09-30 2011-08-31 Método, sistema de processamento de sinal de imagem e dispositivo eletrônico para sincronização de flash com o uso de sinal de temporização de interface de sensor de imagem

Country Status (10)

Country Link
US (3) US8488055B2 (pt)
EP (1) EP2622839B1 (pt)
KR (1) KR101376929B1 (pt)
CN (2) CN104902250B (pt)
AU (2) AU2011314275B2 (pt)
BR (1) BR112013007146B1 (pt)
MX (1) MX2013003373A (pt)
RU (1) RU2523027C1 (pt)
TW (2) TWI526066B (pt)
WO (1) WO2012050677A1 (pt)

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