Abstract: To provide a system, a method and the like for acquiring more images or more quickly focused images. A control device acquires information regarding a situation of a range captured by an imaging device, determines a mode according to an assumed situation of the range captured by the imaging device among a plurality of focusing modes, and transmits designation information specifying the determined mode to the imaging device. The imaging device receives the designation information from the control device, and captures an image using the mode specified by the received designation information.

Abstract: An information providing device according to one aspect of the present disclosure includes: at least one memory storing a set of instructions; and at least one processor configured to execute the set of instructions to: receive a face image; determine whether a person in the face image is unsuitable for iris data acquisition based on the face image; and output information based on determining that the person is unsuitable for the iris data acquisition when the person is determined to be unsuitable for the iris data acquisition.

Abstract: An image processing device (10) is provided with: an estimation unit (11) for estimating, by using image data and a spectral sensitivity characteristic of a color image sensor in a wavelength range from visible light to near-infrared light, a spectral distribution characteristic of an incident light incident on the color image sensor, based on a model expressing the spectral distribution characteristic of the incident light, the image data including one or more color channels and acquired by capturing, using the color image sensor, the incident light including visible light and near-infrared light; and a generation unit (12) for generating, using the estimated spectral distribution characteristic of the incident light and the spectral sensitivity characteristic of the color image sensor, visible light image data configured only from information representing the visible light and near-infrared light image data configured only from information representing the near-infrared light.

Abstract: An image processing device (500) according to the present invention is provided with: a visibility index computation means (501) which, upon receiving two or more images to be merged, computes, for each image to be merged, a visibility index, which is an index relating to the visibility of an object to be viewed in the image, on the basis of a contrast value of the image and the amount of noise included in the image, wherein the two or more images to be merged have different characteristics and have at least an overlap region; a merge ratio computation means (502) which computes an image merge ratio between the images to be merged, on the basis of the computed visibility indices; and an image merging means (503) which merges the images to be merged, on the basis of the computed merge ratio, to generate a merged image.

Abstract: An image processing device (10) is provided with: an estimation unit (11) for estimating, by using image data and a spectral sensitivity characteristic of a color image sensor in a wavelength range from visible light to near-infrared light, a spectral distribution characteristic of an incident light incident on the color image sensor, based on a model expressing the spectral distribution characteristic of the incident light, the image data including one or more color channels and acquired by capturing, using the color image sensor, the incident light including visible light and near-infrared light; and a generation unit (12) for generating, using the estimated spectral distribution characteristic of the incident light and the spectral sensitivity characteristic of the color image sensor, visible light image data configured only from information representing the visible light and near-infrared light image data configured only from information representing the near-infrared light.