An apparatus provides a unit capable of improving gradation characteristics of a plurality of images (crop images) even in a case where a plurality of users individually performs cropping (cutting out) on a distributed image, calculates a target gradation range based on histograms of the regions cropped by the plurality of users, and executes gradation conversion based on an overlapping ratio of the plurality of target gradation ranges.

A data conversion unit is disclosed which includes: a transformation portion configured to transform R (red), G (green) and B (blue) sub-pixel data signals of input image data into R, G, B and W (white) sub-pixel data signals; and a brightness reinforcement portion configured to adjust brightness of a transformed W sub-pixel data signal included in the transformed R, G, B, and W sub-pixel data signals based on brightness distribution of the input image data.

An analog/digital conversion device that performs analog/digital conversion on an analog signal having different levels using different analog/digital conversion circuits, and a control method therefor are provided. In a case where an analog signal is greater than a threshold value, an output terminal of a first changeover switch is turned on. The analog signal is converted into digital data in a single slope type analog/digital conversion circuit. In a case where the analog signal is smaller than the threshold value, an output terminal of the first changeover switch is turned on. The analog signal is converted into digital data in a hybrid type analog/digital conversion circuit of which precision of conversion of the analog signal greater than the threshold value into digital data is lower than the precision of a single slope type analog/digital conversion circuit.

An image capturing apparatus includes an image capturing unit for capturing an object image; an adjustment unit for adjusting the exposure of the image capturing unit; a detection unit for, in the case where the image capturing unit is saturated with respect to light that is input, detecting a signal level corresponding to the highest level of incident light in the image capturing unit after the adjustment unit reduces the exposure of the image capturing unit so as to reduce saturation; and a control unit for, in the case where the exposure of the image capturing unit is reduced by the adjustment unit, controlling the adjustment unit such that, among a plurality of methods for changing the exposure, a method having a faster response speed in response to an instruction to change the exposure is given priority and used.

A processing device includes generation circuitry, storage circuitry, and interpolation circuitry. The generation circuitry generates a first index based on a numerical value of a high-order predetermined number of digits. The converted value of the reference input value corresponding to each index obtained in the generation circuitry is beforehand stored as a look-up table in the storage circuitry. The interpolation circuitry acquires the first converted value corresponding to the first index using the look-up table. And the interpolation circuitry computes the second index that adjoins the first index by carrying out increment or decrement of the first index. Furthermore, the interpolation circuitry acquires the second converted value corresponding to the second index using the look-up table of the storage circuitry. And the interpolation circuitry computes the converted value of the input value by linearity interpolation based on the shift amount from the reference input value of the first index.

A parameter optimization system (10) includes: an image sensor (110) having at least one sensing parameter; a parameter setting unit (120) configured to be able to change the sensing parameter; a score calculation unit (130) configured to calculate a score from an image acquired by the image sensor; and a parameter determination unit (140) configured to determine a right parameter value that is a value of the sensing parameter at which the score is relatively high, based on a value of the sensing parameter and the score corresponding to the value of the sensing parameter. According to such a parameter optimization system, the sensing parameter of the image sensor can be set to an appropriate value.

A parameter optimization system (10) includes: an image sensor (110) having at least one sensing parameter; a parameter setting unit (120) configured to be able to change the sensing parameter; a score calculation unit (130) configured to calculate a score from an image acquired by the image sensor; and a parameter determination unit (140) configured to determine a right parameter value that is a value of the sensing parameter at which the score is relatively high, based on a value of the sensing parameter and the score corresponding to the value of the sensing parameter. According to such a parameter optimization system, the sensing parameter of the image sensor can be set to an appropriate value.

An imaging processing device and an imaging processing method that can solve a problem generated in visible light photographing in a case where DBPF is used instead of an infrared cut filter. An imaging sensor includes a color filter, and DBPH that has a transmission characteristic in a visible-light band, blocking characteristic in a first wavelength band adjacent to a long-wavelength side of the visible-light band, and transmission characteristic in a second wavelength band that is a part of the first wavelength band. A signal processing unit subtracts an infrared signal, which is output from an infrared pixel, from each color signal output from a pixel in each color of visible light in the imaging sensor. Here, in a case where each color signal reaches a pixel saturation level, control of performing correction in such a manner that an infrared signal subtracted from each color signal is lowered is performed.

Various embodiments provide tone mapping of images and video from one dynamic range to an available dynamic range of a display device while preserving or enhancing image details. According to one embodiment, an enhanced tone mapping module is configured to decrease a luminance of an image or video from a high dynamic range to a standard dynamic range. Conversely, according to one embodiment, an enhanced inverse tone mapper to increase a luminance of an image or video from a standard dynamic range to a high dynamic range.

A vehicular vision system includes a plurality of vehicle cameras disposed at a vehicle, a trailer camera disposed at a trailer, and a video display screen disposed at the vehicle and viewable by a driver of the vehicle. When the trailer is hitched to the vehicle, the trailer camera captures image data and provides captured image data to an electronic control unit (ECU). The plurality of vehicle cameras capture image data and provide captured image data to the ECU. An auxiliary camera is detachably attached at an exterior side portion of the trailer. With the auxiliary camera detachably attached at the exterior side portion of the trailer and during a reversing maneuver of the vehicle with the trailer hitched to the vehicle, and responsive to a user input, video images derived from the image data captured by the auxiliary camera are displayed for viewing by the driver of the vehicle.