Abstract:
An image processing apparatus processes noise from a defective pixel in image data generated by an image sensor including plural pixels, and plural read-out circuits that read out the signal. The apparatus includes an acquisition unit that obtains the image data and position information of the defective pixel; a defective pixel correction unit that corrects the signal from the defective pixel included in the image data, based on the position information; a low saturation pixel correction unit that corrects a signal from a low saturation pixel included in the image data where the signal from the defective pixel has been corrected, the low saturation pixel having a saturation level lower than the other pixels, based on a preliminarily calculated saturation level of the plural pixels; and a saturation level calculation unit that calculates the saturation level of the defective pixel corrected by the defective pixel correction unit.
Abstract:
An image processing apparatus includes: an acquisition unit configured to acquire defective pixel information including one of positional information on a reading circuit in which defective pixel noise occurs and positional information on each of pixels, blinking defect noise information including one of positional information on a reading circuit in which blinking defect noise occurs and the positional information on each of the pixels, and image data generated by an image sensor; and a noise reduction unit configured to reduce one of the defective pixel noise and the blinking defect noise based on the defective pixel information acquired by the acquisition unit and the blinking defect noise information acquired by the acquisition unit, with respect to the image data acquired by the acquisition unit.
Abstract:
An image processing apparatus includes: an acquisition unit configured to acquire image data and noise information including one of positional information on a reading circuit in which blinking defect noise caused by the reading circuit occurs and positional information on each of pixels; and a correction unit configured to set the image data acquired by the acquisition unit as correction target image data, and correct a pixel value of a pixel of interest of the correction target image data based on the noise information and reference image data that is based on image data acquired at a time different from the correction target image data.
Abstract:
A focus control device includes: a processor including hardware, the processor being configured to implement: an area setting process that sets a plurality of areas to a captured image that has been captured by an imaging section, each of the plurality of areas including a plurality of pixels; an object distance information calculation process that calculates distance information about a distance to an object that is captured within each of the plurality of areas; and a focus control process based on the distance information, wherein the processor implements the focus control process that performs a classification process that classifies the plurality of areas into a plurality of groups, and performs the focus control process based on area information about each of the plurality of groups.
Abstract:
A digital camera includes: a display section displaying a photographing image obtained by photographing a subject; a signal processing and control section reading out information related to the subject and information related to surroundings of the subject from a database on the basis of position information and compass direction information about the digital camera; and a display control section selecting the information related to the subject according to the lens condition and performing control so as to display the selected information on the display section by superimposing the selected information on the photographing image.
Abstract:
An imaging apparatus includes an imaging unit, a random seed generating unit, a pseudo-random number generating unit, and a special image processing unit. The imaging unit photographs a subject to obtain image data. The random seed generating unit generates a random seed to decide a pseudo-random number sequence. The pseudo-random number generating unit generates a pseudo-random number in accordance with the generated random seed. The special image processing unit performs special image processing to apply a special effect to the image data based on the generated pseudo-random number. The random seed is decided during photography.
Abstract:
An image processing apparatus is disclosed which processes noise resulting from a defective pixel different from a low saturation pixel, included in image data generated by an image sensor including a plurality of pixels two-dimensionally arranged to receive light from outside and generate a signal according to an amount of received light and including a plurality of read-out circuits that read out the signal as a pixel value. The image processing apparatus includes an acquisition unit that obtains the image data generated by the image sensor and a saturation level of each of the plurality of pixels; and a noise processing unit that processes the noise on the basis of the saturation level obtained by the acquisition unit.
Abstract:
An image processing apparatus includes a correction factor calculating unit configured to calculate a correction factor for correcting a difference in pixel values corresponding to a difference between a spectral sensitivity and a preset reference spectral sensitivity in a predetermined wavelength range at a pixel of interest, based on image data generated by an image sensor, the image sensor having a plurality of pixels on which color filters of a plurality of colors with different spectral transmittances are respectively disposed, the color filters forming a predetermined array pattern, the correction factor calculating unit being configured to calculate the correction factor for each of the plurality of pixels on which at least a predetermined color filter of the color filters is disposed.
Abstract:
An image processing apparatus is configured to: acquire a correction factor from a recording unit for recording, for each of a plurality of pixels, the correction factor for correcting a difference in pixel value corresponding to a difference between a spectral sensitivity and a preset reference spectral sensitivity in a predetermined wavelength range at a pixel of interest, based on image data generated by an image sensor, the image sensor having the plurality of pixels on which color filters of a plurality of colors with different spectral transmittances are respectively located, the color filters forming a predetermined array pattern; calculate a correction amount for correcting a pixel value of the pixel of interest based on the correction factor at the pixel of interest and pixel values of pixels surrounding the pixel of interest; and correct the pixel value of the pixel of interest by using the correction amount.
Abstract:
Provided is an image processing apparatus for correcting blinking defect noise contained in image data generated by an image sensor. The image sensor includes a pixels arranged two-dimensionally and reading circuits configured to read a pixel value. The image processing apparatus includes: an information acquisition unit configured to acquire noise information that is defined by associating positional information of the reading circuits or positional information of each of the pixels with feature data related to the blinking defect noise caused by the reading circuits; an estimation unit configured to estimate a random noise amount in a pixel of interest based on the feature data and a random noise model for estimating the random noise amount in the pixel of interest; and a correction unit configured to correct a pixel value of the pixel of interest based on the random noise amount estimated by the estimation unit.