MX2013002452A - Procesamiento automatico de balance de blancos con seleccion de espacio flexible de color. - Google Patents

Procesamiento automatico de balance de blancos con seleccion de espacio flexible de color.

Info

Publication number
MX2013002452A
MX2013002452A MX2013002452A MX2013002452A MX2013002452A MX 2013002452 A MX2013002452 A MX 2013002452A MX 2013002452 A MX2013002452 A MX 2013002452A MX 2013002452 A MX2013002452 A MX 2013002452A MX 2013002452 A MX2013002452 A MX 2013002452A
Authority
MX
Mexico
Prior art keywords
pixel
color space
statistics
white balance
data
Prior art date
Application number
MX2013002452A
Other languages
English (en)
Inventor
Jeffrey E Frederiksen
Guy Cote
Matthew Paul Hubel
Sumit Chawla
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 MX2013002452A publication Critical patent/MX2013002452A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • H04N23/673Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/63Control of cameras or camera modules by using electronic viewfinders
    • H04N23/631Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80Camera processing pipelines; Components thereof
    • H04N23/84Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/843Demosaicing, e.g. interpolating colour pixel values
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80Camera processing pipelines; Components thereof
    • H04N23/84Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/88Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/134Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/61Noise processing, e.g. detecting, correcting, reducing or removing noise the noise originating only from the lens unit, e.g. flare, shading, vignetting or "cos4"

Abstract

Se divulgan diferentes técnicas para procesar datos de estadísticas en un procesador de señal de imagen (ISP). En una modalidad, un motor de recopilación de estadísticas puede estar configurado para adquirir estadísticas relacionadas con balance de blancos automático. El motor de recopilación de estadísticas puede recibir datos sin procesar adquiridos por un sensor de imagen y puede estar configurado para llevar a cabo una o más conversiones de espacio de color para obtener datos de pixel en otros espacios de color. Un conjunto de filtros de pixel puede estar configurado para acumular sumas de los datos de pixel condicionalmente con base en características de YC1C2, como se define por un filtro de condición de pixel por pixel. Dependiendo de un espacio de color seleccionado, los filtros de pixel pueden generar sumas de color, que se pueden utilizar para igualar un iluminante actual contra un conjunto de iluminantes de referencia con los cuales el sensor de imagen ha sido calibrado previamente.
MX2013002452A 2010-09-01 2011-08-25 Procesamiento automatico de balance de blancos con seleccion de espacio flexible de color. MX2013002452A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/873,973 US8605167B2 (en) 2010-09-01 2010-09-01 Flexible color space selection for auto-white balance processing
PCT/US2011/049189 WO2012057907A1 (en) 2010-09-01 2011-08-25 Automatic white balance processing with flexible color space selection

Publications (1)

Publication Number Publication Date
MX2013002452A true MX2013002452A (es) 2013-08-29

Family

ID=44543885

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2013002452A MX2013002452A (es) 2010-09-01 2011-08-25 Procesamiento automatico de balance de blancos con seleccion de espacio flexible de color.

Country Status (10)

Country Link
US (1) US8605167B2 (es)
EP (1) EP2599318A1 (es)
CN (1) CN102404582B (es)
AU (1) AU2011320937B2 (es)
BR (1) BR112013005157A2 (es)
HK (1) HK1169243A1 (es)
MX (1) MX2013002452A (es)
RU (1) RU2537038C2 (es)
TW (1) TWI505720B (es)
WO (1) WO2012057907A1 (es)

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CN102404582B (zh) 2014-09-24
US8605167B2 (en) 2013-12-10
CN102404582A (zh) 2012-04-04
TW201216720A (en) 2012-04-16
BR112013005157A2 (pt) 2016-04-26
US20120050563A1 (en) 2012-03-01
TWI505720B (zh) 2015-10-21
AU2011320937A1 (en) 2013-03-21
WO2012057907A1 (en) 2012-05-03
RU2013114372A (ru) 2014-10-10
RU2537038C2 (ru) 2014-12-27
EP2599318A1 (en) 2013-06-05
HK1169243A1 (en) 2013-01-18

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