IMAGE PICKUP DEVICE AND CAMERA MODULE USING THE SAME
First Claim
1. An image pickup device comprising:
- a signal processing unit for processing a signal generated by separating a luminous signal into wavelength components of two or more colors by use of a wavelength separating unit and a sensor unit comprising two-dimensionally arranged pixels to which the wavelength separating unit is arranged at a front face of a photoelectric converting element which converts the luminous signal condensed by an optical lens unit into an electric signal, whereinthe optical lens unit includes at least one optical lens having different focusing positions in accordance with the wavelengths of the luminous signal, andthe signal processing unit includes an outline signal generating unit for extracting an outline signal from the electric signal generated in the sensor unit.
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Accused Products
Abstract
An image pickup device includes a signal processing unit which processes a signal generated by separating a luminous signal into wavelength components of two or more colors by use of a sensor unit including two-dimensionally arranged pixels to which a wavelength separating unit for separating light wavelengths is arranged at a front face of a photoelectric converting element which converts the luminous signal condensed by an optical lens unit into electric signals, wherein the optical lens unit includes at least one optical lens having different focusing positions in accordance with the wavelengths of the luminous signal, and the signal processing unit includes an outline signal generating unit which extracts an outline signal from an output signal of the sensor unit.
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Citations
25 Claims
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1. An image pickup device comprising:
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a signal processing unit for processing a signal generated by separating a luminous signal into wavelength components of two or more colors by use of a wavelength separating unit and a sensor unit comprising two-dimensionally arranged pixels to which the wavelength separating unit is arranged at a front face of a photoelectric converting element which converts the luminous signal condensed by an optical lens unit into an electric signal, wherein the optical lens unit includes at least one optical lens having different focusing positions in accordance with the wavelengths of the luminous signal, and the signal processing unit includes an outline signal generating unit for extracting an outline signal from the electric signal generated in the sensor unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A camera module comprising:
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a signal processing unit for processing a signal generated by separating a luminous signal into wavelength components of two or more colors by used of a sensor unit including two-dimensionally arranged pixels to which a wavelength separating unit for separating light wavelengths is arranged at a front face of a photoelectric converting element which converts the luminous signal condensed by an optical lens unit into electric signals, wherein the optical lens unit includes at least one optical lens having different focusing positions in accordance with the wavelengths of the luminous signal, and the signal processing unit includes outline signal generating unit for extracting an outline signal from an output signal of the sensor unit.
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14. An image pickup device comprising:
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signal processing means for processing a W signal which is generated without performing wavelength separation and a signal generated by separating a luminous signal into wavelength components of two or more colors by use of a sensor unit comprising two-dimensionally arranged pixels to which a wavelength separating unit for separating light wavelength is arranged at a front face of a photoelectric converting element which converts the luminous signal condensed by an optical lens into electric signals, wherein the wavelength separating unit is constituted of micro-lenses each of which condenses light for each pixel and color filter layers which separate light wavelengths, and a micro-lens corresponding to the W signal to which a filter layer which does not separate light wavelengths is arranged is formed to be smaller in size than the micro-lenses to which color filter layers are arranged. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. An image pickup device which processes color signals including a signal generated by separating a luminous signal into wavelength components of two or more colors by use of a sensor unit comprising two-dimensionally arranged pixels to which wavelength separating means for separating light wavelengths is arranged at a front face of a photoelectric converting element which converts the luminous signal condensed by an optical lens into electric signals, comprising:
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adding means for generating an addition signal by adding a color signal of one center pixel and color signals of a plurality of peripheral pixels in accordance with a predetermined weighting in a predetermined pixel array which includes the one center pixel at a position in the sensor unit and the plurality of peripheral pixels thereof; defocus correcting means for correcting image defocus by correcting a signal changing part of the addition signal; outline signal generating means for generating an outline signal by extracting signal change from a signal before addition which is input to the adding means; combining means for generating a combined signal by combining the outline signal and the addition signal corrected by the defocus correcting means; ratio coefficient calculating means for respectively calculating a ratio coefficient of each mean value of each color signal which is output from each pixel in the predetermined pixel array and a mean value of the combined signal; and RGB signal generating means for newly generating an R signal, a G signal and a B signal by use of the ratio coefficient calculated by the ratio coefficient calculating means and the combined signal. - View Dependent Claims (22)
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23. A camera module which processes color signals including a signal generated by separating a luminous signal into wavelength components of two or more colors by use of a sensor unit including two-dimensionally arranged pixels to which wavelength separating means for separating light wavelengths is arranged at a front face of a photoelectric converting element which converts the luminous signal condensed by an optical lens into electric signals, comprising:
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adding means for generating an addition signal by adding a color signal of one center pixel and color signals of a plurality of peripheral pixels in accordance with a predetermined weighting in a predetermined pixel array which includes the one center pixel at a position in the sensor unit and the plurality of peripheral pixels thereof; defocus correcting means for correcting image defocus by correcting a signal changing part of the addition signal; outline signal generating means for generating an outline signal by extracting signal change from a signal before addition which is input to the adding means; combining means for generating a combined signal by combining the outline signal and the addition signal corrected by the defocus correcting means; ratio coefficient calculating means for respectively calculating a ratio coefficient of each mean value of color signal which is output from each pixel in the predetermined pixel array and a mean value of the combined signal; and RGB signals generating means for newly generating an R signal, a G signal and a B signal by use of the ratio coefficient calculated by the ratio coefficient calculating means and the combined signal. - View Dependent Claims (24, 25)
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Specification