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AssigneeCanon Kabushiki Kaisha
InventorYuichi Hirai
Estimating the term…
A sensor including image pickup element provided with arrangement of a plurality of pixels each including a plurality of photoelectric conversion portions in a depth direction of a semiconductor outputs each color component from the same pixel position so that the color components are not extracted separately but extracted as a component different from an ordinary color signal, and this causes an image quality deterioration. Such the sensor of the present invention is arranged to perform color correction of the signals of the plurality of pixels output from the image pickup element by using different color correction coefficients respectively, thereby obtaining a high quality image and to perform appropriate color correction corresponding to color temperature by discriminating an appropriate color correction coefficient to be used for the color correction in accordance with the color temperature detected by an external color temperature sensor at the time of photographing.
An image pickup apparatus comprising:
An image pickup apparatus comprising:
An image pickup apparatus comprising:
A signal processing method of an image pickup apparatus including an image pickup area provided with arrangement of pixels each including a plurality of photoelectric conversion portions in a depth direction of a semiconductor, said method comprising:
A signal processing method of an image pickup apparatus including an image pickup area provided with arrangement of a plurality of pixels each including a plurality of photoelectric conversion portions in a depth direction of a semiconductor, and a color temperature sensor for detecting a color temperature, said method comprising:
A signal processing method of an image pickup apparatus including an image pickup area provided with arrangement of a plurality of pixels each including a plurality of photoelectric conversion portions in a depth direction of a semiconductor, and a color temperature sensor for detecting a color temperature, said method comprising:
Dependencies are inferred from the claim text.
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Circuitry of solid-state image sensors [ssis]
Camera processing pipelines; Components thereof: for processing colour signals
Characterised by the spectral characteristics of the filter elements: based on four or more different wavelength filter elements
For transforming different wavelengths into image signals: colour separation based on photon absorption depth, e.g. full colour resolution…
Term end not estimated
1. Field of the Invention
The present invention relates to an image pickup apparatus for picking up an object image.
2. Description of Related Art
FIG. 1 is a block diagram showing an image pickup apparatus of a first embodiment;
FIGS. 2A and 2B are block diagrams showing a signal processing device of the image pickup apparatus of the first embodiment;
FIG. 3 is a block diagram showing an image pickup apparatus of a second embodiment;
Embodiment 1
An image pickup apparatus of a first embodiment will be described by reference to FIGS. 1 and 2.
The configuration of the image pickup apparatus of FIG. 1 is different from that of the conventional apparatus of FIG. 5 including of a detection circuit 150 for detecting the state of a signal component of a subjected pixel, a selection circuit 151 for selecting a correction coefficient of color correction processing on the basis of a detection result of the detection circuit 150, several matrix coefficient parameters (represented by reference numerals 153-155) to be selected by the selection circuit 151, a switch 152 for switching the parameters 153-155 in accordance with the selection circuit 151 to output the switched parameter, and the image processing unit 107. The image pickup apparatus of FIG. 1 therefore switches the processing coefficients of the color correction processing at every pixel, and thus can deal with correction factors changing every moment in the state of the R, G and B signals while the conventional processing coefficients are switched at every frame or at every photographing chance.