Abstract: An information processing apparatus includes an image acquisition unit configured to acquire an image, a first detection unit configured to detect a specific object from the image, a second detection unit configured to detect a part of the specific object fro r the image, an exposure determination unit configured to determine a first exposure amount with respect to the specific object detected by the first detection unit, and to determine a second exposure amount with respect to the part of the specific object detected by the second detection unit, and a parameter determination unit configured to determine a parameter regarding at least one of the first detection unit, the second detection unit, and the exposure determination unit.

Abstract: A control apparatus includes a detection unit configured to detect an object area in an image captured by an image capturing apparatus, a dividing unit configured to divide the image into a plurality of divided areas, a first calculation unit configured to calculate a luminance difference as a difference between a luminance value of the object area and a luminance value of each of the divided areas, a second calculation unit configured to calculate a first amount of change as a difference between luminance values of the object area before and after the image capturing apparatus executes exposure control and a second amount of change as a difference between luminance values of the divided area before and after the image capturing apparatus executes exposure control, and a determination unit configured to determine a photometric area.

Abstract: An apparatus includes an acquisition unit configured to acquire distance information that indicates a distance to a subject on each predetermined region in a captured image, a control unit configured to adjust a focus position, and a storage unit configured to store first distance information acquired by the acquisition unit in response to the adjusted focus position. The control unit readjusts the focus position based on the first distance information and second distance information acquired by the acquisition unit.

Abstract: A lens control apparatus having an imaging optical system including a focus lens includes a lens control unit configured to control a position of a lens of the imaging optical system based on a control driving amount of the lens, an acquisition unit configured to acquire driving information including an actual driving amount of the lens controlled by the lens control unit, and a first correction unit configured to correct the position of the lens based on a difference between the control driving amount and the actual driving amount. The first correction unit corrects the position of the lens by adding or subtracting an amount of correction to or from the control driving amount when the lens control unit next performs the control of the position of the lens, such that the difference decreases.

Abstract: The present invention is a color conversion processing apparatus that converts an input image signal value into an output value of an actual color material used in an image forming apparatus, and includes: a derivation unit configured to derive an output value corresponding to the input image signal value for a plurality of virtual color materials smaller in number than the number of actual color materials; and a conversion unit configured to convert the derived output values of the plurality of virtual color materials into the output values of the actual color materials, and each of the plurality of virtual color materials has a density corresponding to each wavelength band obtained by dividing a wavelength range reproduced by the actual color materials being output into a plurality of wavelength bands, and the derivation unit derives the output value corresponding to the input image signal value based on the density corresponding to each of the wavelength bands for the plurality of virtual color materials.

Abstract: A control apparatus (100) includes a divider (7) that divides an image into a plurality of areas, a calculator (8) that calculates an evaluation value of each of the plurality of areas, and a focus adjuster (10) that performs focusing based on the evaluation value of each of the plurality of areas.

Abstract: A control apparatus (13) includes a data acquirer (13a) that acquires correction data indicating a relationship between a temperature change amount and a focus movement amount and a focus controller (13b) that changes an operation mode of a temperature changer depending on the correction data.

Abstract: A color conversion LUT creation apparatus includes a derivation unit that derives an output value corresponding to a signal value in an input image for a plurality of virtual color materials whose number is smaller than a number of actual color materials used in an image forming apparatus; a setting unit that sets a target number of dots printed per unit area of the actual color material; and a conversion unit that converts an output value of the plurality of virtual color materials into an output value of the actual color material and creates a color conversion LUT in which the input value and the output value of the actual color material are associated with each other. The setting unit sets the target number of dots based on dispersibility of a dot pattern corresponding to each tone level of a dither matrix used for halftone processing.

Abstract: In order to implement preferred sharpness recovery processing for an image, an image processing apparatus which generates, based on input image data, halftone image data used for an image forming process of forming an image on a print medium. The apparatus converts the input image data into color material amount data used for the image forming process; performs, on the color material amount data, gamma correction to compensate for non-linearity of an input/output density in the image forming process; performs, on the color material amount data after the gamma correction, recovery processing to compensate for sharpness degradation of an image formed by the image forming process; and performs halftone processing on the color material amount data after the recovery processing to generate halftone image data.

Abstract: The present invention is a color conversion processing apparatus that converts an input image signal value into an output value of an actual color material used in an image forming apparatus, and includes: a derivation unit configured to derive an output value corresponding to the input image signal value for a plurality of virtual color materials smaller in number than the number of actual color materials; and a conversion unit configured to convert the derived output values of the plurality of virtual color materials into the output values of the actual color materials, and each of the plurality of virtual color materials has a density corresponding to each wavelength band obtained by dividing a wavelength range reproduced by the actual color materials being output into a plurality of wavelength bands, and the derivation unit derives the output value corresponding to the input image signal value based on the density corresponding to each of the wavelength bands for the plurality of virtual color materials.

Abstract: A control apparatus (13) includes a data acquirer (13a) that acquires correction data indicating a relationship between a temperature change amount and a focus movement amount and a focus controller (13b) that changes an operation mode of a temperature changer depending on the correction data.

Abstract: A color conversion LUT creation apparatus includes a derivation unit that derives an output value corresponding to a signal value in an input image for a plurality of virtual color materials whose number is smaller than a number of actual color materials used in an image forming apparatus; a setting unit that sets a target number of dots printed per unit area of the actual color material; and a conversion unit that converts an output value of the plurality of virtual color materials into an output value of the actual color material and creates a color conversion LUT in which the input value and the output value of the actual color material are associated with each other. The setting unit sets the target number of dots based on dispersibility of a dot pattern corresponding to each tone level of a dither matrix used for halftone processing.

Abstract: A color conversion processing apparatus that converts a signal value of an input image into an output value of an actual color material used in an image forming apparatus, and includes: an acquisition unit configured to acquire a printing setting for the input image; and a conversion unit configured to convert the signal value of the input image into the output value of the actual color material in accordance with the acquired printing setting, and the conversion unit performs the conversion while maintaining a relationship between the signal value of the input image and output values of a virtual color material, the number of virtual color materials is smaller than the number of actual color materials and the respective virtual color materials have respective densities corresponding to respective wavelength bands obtained by dividing a wavelength range reproduced by the actual color materials being output into a plurality of wavelength bands, the output values of the plurality of virtual color materials are

Abstract: A lens control apparatus having an imaging optical system including a focus lens includes a lens control unit configured to control a position of a lens of the imaging optical system based on a control driving amount of the lens, an acquisition unit configured to acquire driving information including an actual driving amount of the lens controlled by the lens control unit, and a first correction unit configured to correct the position of the lens based on a difference between the control driving amount and the actual driving amount. The first correction unit corrects the position of the lens by adding or subtracting an amount of correction to or from the control driving amount when the lens control unit next performs the control of the position of the lens, such that the difference decreases.

Abstract: Sharpness of image data in a low-frequency component, which is deceased by an image forming apparatus, is recovered and the recovered image data is converted into halftone image data. Halftone processing includes calculating edge intensity in a local region, dividing the local region into a first pixel group and a second pixel group based on a pixel value of each pixel, determining a distribution order of dots based on a pixel value of each pixel, a threshold value, and the edge intensity such that dots are likely to be distributed to the first pixel group and dots are unlikely to be distributed to the second pixel group, and determining an output value for each pixel in the local region by distributing dots to some pixels included in the local region as much as a number of dots to be output to the local region while referring to the distribution order.

Abstract: A color conversion processing apparatus that converts a signal value of an input image into an output value of an actual color material used in an image forming apparatus, and includes: an acquisition unit configured to acquire a printing setting for the input image; and a conversion unit configured to convert the signal value of the input image into the output value of the actual color material in accordance with the acquired printing setting, and the conversion unit performs the conversion while maintaining a relationship between the signal value of the input image and output values of a virtual color material, the number of virtual color materials is smaller than the number of actual color materials and the respective virtual color materials have respective densities corresponding to respective wavelength bands obtained by dividing a wavelength range reproduced by the actual color materials being output into a plurality of wavelength bands, the output values of the plurality of virtual color materials are

Abstract: In order to implement preferred sharpness recovery processing for an image, an image processing apparatus which generates, based on input image data, halftone image data used for an image forming process of forming an image on a print medium. The apparatus converts the input image data into color material amount data used for the image forming process; performs, on the color material amount data, gamma correction to compensate for non-linearity of an input/output density in the image forming process; performs, on the color material amount data after the gamma correction, recovery processing to compensate for sharpness degradation of an image formed by the image forming process; and performs halftone processing on the color material amount data after the recovery processing to generate halftone image data.

Abstract: Sharpness of image data in a low-frequency component, which is deceased by an image forming apparatus, is recovered and the recovered image data is converted into halftone image data. Halftone processing includes calculating edge intensity in a local region, dividing the local region into a first pixel group and a second pixel group based on a pixel value of each pixel, determining a distribution order of dots based on a pixel value of each pixel, a threshold value, and the edge intensity such that dots are likely to be distributed to the first pixel group and dots are unlikely to be distributed to the second pixel group, and determining an output value for each pixel in the local region by distributing dots to some pixels included in the local region as much as a number of dots to be output to the local region while referring to the distribution order.

Abstract: A gas sensor includes a sensor element which contains a solid electrolyte, and has a cylindrical shape that is closed at one end and is opened at the other end; and a ceramic heater which is formed into a rod shape, and is inserted and disposed in the sensor element. A peripheral edge of a lower end of the ceramic heater contacts an inner face of a bottom portion of the sensor element. The peripheral edge of the lower end of the ceramic heater has a shape that fits the inner face of the bottom portion of the sensor element at a portion of contact between the sensor element and the ceramic heater.