Abstract: According to one embodiment, a solid-state imaging device includes a pixel array and AD converting unit. In the AD converting unit, a plurality of AD converts are arranged in a horizontal direction. The pixel is configured by a small pixel group. The small pixel group is formed of a plurality of small pixels. The plurality of small pixels read out the signal charges. The small pixel group includes two or more small pixels having different optical sensitivities. The solid-state imaging device includes N AD converting units. N is the number of small pixel groups which are arranged in a vertical direction at every small pixel. N is an integer of 2 or higher.

Abstract: According to one embodiment, a solid state imaging device includes a first image sensor, a second image sensor, and an imaging processing circuit. A plurality of photoelectric conversion units are arranged in each of the first image sensor and the second image sensor. All of the photoelectric conversion units are configured to include pixels with different charge storage times. The imaging processing circuit includes an output combining unit. The output combining unit combines outputs by the pixels with different charge storage times with respect to each of the photoelectric conversion units.

Abstract: According to one embodiment, a streaking correction unit corrects a pixel signal read from an effective pixel portion to reduce streaking in the effective pixel portion on the basis of an evaluation result of a pixel signal read from a vertical light shielded pixel portion and a pixel signal read from a horizontal light shielded pixel portion.

Abstract: According to one embodiment, a solid-state imaging device includes a pixel array and a high dynamic range (HDR) synthesizing circuit 19. A pixel is configured as a small pixel group. The HDR synthesizing circuit 19 includes a valid pixel selecting unit 34, a sensitivity ratio correcting unit 35, and a calculation processing unit 36. The valid pixel selecting unit 34 selects one or more small pixels validating a use of a signal value in the HDR synthesis as a valid pixel from among the small pixel group. The sensitivity ratio correcting unit 35 executes sensitivity ratio correction on the signal value of each small pixel. The calculation processing unit 36 uses the signal value of the valid pixel among the signal values of the small pixels from the sensitivity ratio correcting unit 35 for a calculation for the HDR synthesis.

Abstract: According to one embodiment, in the pixel array unit, pixels that accumulate photoelectrically converted electrical charge are arranged in a matrix state. The m address lines (m is an integer of two or more) are provided per row of the pixel array unit and select the pixel in a row direction. The vertical signal line transmits a pixel signal, which is read from the pixel, in a column direction.

Abstract: According to one embodiment, a streaking correction unit corrects a pixel signal read from an effective pixel portion to reduce streaking in the effective pixel portion on the basis of an evaluation result of a pixel signal read from a vertical light shielded pixel portion and a pixel signal read from a horizontal light shielded pixel portion.

Abstract: According to one embodiment, an image processing device includes a defect correcting unit, a noise-reduction processing unit, and a selecting unit. The defect correcting unit executes defect correction on a target pixel. The defect correcting unit switches, according to the level of contrast determined concerning a plurality of peripheral pixels, a first correction value obtained through averaging processing for signal values of the peripheral pixels and a second correction value other than the first correction value.

Abstract: According to one embodiment, an image processing apparatus includes a pixel interpolation unit. The pixel interpolation unit includes a calculating unit that adds, to a first frequency band component, a second frequency band component in a direction in which the amount of change in the sensitivity level value of an acquired color component is determined to be small. The second frequency band component is in a frequency band higher than the first frequency band component.

Abstract: According to one embodiment, a solid-state imaging device includes an output level determining unit, a random number data generating unit, and an output selecting unit. The output level determining unit performs a level determination of a digital output signal by comparing a level of the digital output signal with a threshold value. The random number data generating unit generates random number data by random number processing on the level of the digital output signal. The output selecting unit selects any of: the digital output signal subjected to an addition of the random number data, and the digital output signal not subjected to the addition of the random number data corresponding to a result of the level determination.

Abstract: According to embodiment, an image processing device includes a black level correcting section. The black level correcting section includes a first input restricting unit and a second input restricting unit. The second input restricting unit performs a second input restriction, having a second signal level range including a moving average as a reference, on a black level signal subjected to a first input restriction by the first input restricting unit. A correction amount calculation unit calculates a difference of an average of signal values subjected to the second input restriction and a black level standard value as a correction value to apply on an effective pixel signal.

Abstract: According to one embodiment, an image processing apparatus includes a shading correction unit. The shading correction unit executes at least one of the use of shading correction parameters calculated in accordance with exposure information for capturing a subject image and the adjustment of a center position in a two-dimensional direction which is used as the basis of the shading correction in accordance with the exposure information.

Abstract: According to one embodiment, a solid-state imaging device includes a pixel array and a high dynamic range (HDR) synthesizing circuit 19. A pixel is configured as a small pixel group. The HDR synthesizing circuit 19 includes a valid pixel selecting unit 34, a sensitivity ratio correcting unit 35, and a calculation processing unit 36. The valid pixel selecting unit 34 selects one or more small pixels validating a use of a signal value in the HDR synthesis as a valid pixel from among the small pixel group. The sensitivity ratio correcting unit 35 executes sensitivity ratio correction on the signal value of each small pixel. The calculation processing unit 36 uses the signal value of the valid pixel among the signal values of the small pixels from the sensitivity ratio correcting unit 35 for a calculation for the HDR synthesis.

Abstract: According to one embodiment, a solid-state imaging device includes a pixel array and AD converting unit. In the AD converting unit, a plurality of AD converts are arranged in a horizontal direction. The pixel is configured by a small pixel group. The small pixel group is formed of a plurality of small pixels. The plurality of small pixels read out the signal charges. The small pixel group includes two or more small pixels having different optical sensitivities. The solid-state imaging device includes N AD converting units. N is the number of small pixel groups which are arranged in a vertical direction at every small pixel. N is an integer of 2 or higher.

Abstract: According to embodiments, an image processing apparatus includes an image signal holding unit. The image processing apparatus uses an image signal passing through the common image signal holding unit to generate first, second and third correction values. The first correction value is a signal value applied to a pixel in which saturation of an output occurs in a saturation determination. The second correction value is a signal value subjected to a noise cancellation process. The third correction value is a signal value applied to a pixel in which defect occurs in a defect determination.

Abstract: According to one embodiment, a solid-state imaging device includes an output level determining unit, a random number data generating unit, and an output selecting unit. The output level determining unit performs a level determination of a digital output signal by comparing a level of the digital output signal with a threshold value. The random number data generating unit generates random number data by random number processing on the level of the digital output signal. The output selecting unit selects any of: the digital output signal subjected to an addition of the random number data, and the digital output signal not subjected to the addition of the random number data corresponding to a result of the level determination.

Abstract: According to one embodiment, an image processing device includes an edge enhancement unit and a brightness level determination unit. The edge enhancement unit performs an edge enhancement process by adding extraction data which has been subjected to a noise cancellation process and an amplitude limitation process to a brightness signal. The brightness level determination unit determines a height of the signal level of the brightness signal. The edge enhancement unit adjusts the signal level of the extraction data added to the brightness signal depending on a determination result of the brightness level determination unit.

Abstract: According to one embodiment, an image processing apparatus includes a color-difference signal correction unit. The color-difference signal correction unit includes a smoothing unit and a color edge extracting unit. The smoothing unit performs smoothing process on a color-difference signal to obtain a smoothed color-difference signal. The color edge extracting unit extracts a color edge component to be added to the smoothed color-difference signal. An edge coring unit which is included in the color edge extracting unit performs a coring process on a difference between the color-difference signal before the smoothing process is performed and the smoothed color-difference signal.

Abstract: According to one embodiment, an image processing apparatus includes a defect correction unit, a noise reduction processing unit, and an output selection unit. The defect correction unit includes a contrast determination unit and an illuminance determination unit. The output selection unit selects the output from the defect correction unit when a target pixel is determined to be a defect. The defect correction unit enables a correction value to be output as a signal value which is applied to the target pixel in accordance with the contrast determination and the illuminance determination.

Abstract: In an image processing apparatus according to one embodiment, an edge correcting unit replaces a signal level of a target pixel with a maximum value of signal levels of a plurality of peripheral pixels when a sum of the signal level of the target pixel and the edge information is more than the maximum value, and the edge correcting unit replaces the signal level of the target pixel with a minimum value of the signal levels of the plurality of peripheral pixels when a sum of the signal level of the target pixel and the edge information is less than the minimum value.

Abstract: According to one embodiment, a solid state imaging device includes a first image sensor, a second image sensor, and an imaging processing circuit. A plurality of photoelectric conversion units are arranged in each of the first image sensor and the second image sensor. All of the photoelectric conversion units are configured to include pixels with different charge storage times. The imaging processing circuit includes an output combining unit. The output combining unit combines outputs by the pixels with different charge storage times with respect to each of the photoelectric conversion units.