An object recognition system of the disclosure includes: a light source emitting dot light having a predetermined pattern to an object; an event detection sensor receiving the dot light having the predetermined pattern reflected by the object and detecting the fact that a change in luminance of a pixel has exceeded a predetermined threshold as an event; and a signal processor removing information other than event information originated from the dot light emitted from the light source and having the predetermined pattern among event information detected by the event detection sensor.

An imaging device having an imager that includes first pixels having sensitivity to a first light and second pixels having sensitivity to a second light, a wavelength of the first light being different from a wavelength of the second light. The imager being configured to acquire first image data from the first pixels and being configured to acquire second image data from the second pixels. Each of the first image data and the second image data including an image of a code, the code being configured to output the second light. The imaging device further including an image processor configured to extract an image of the code based on the first image data and the second image data.

A variable focal length lens apparatus is provided with a variable focal length lens in which a focusing position periodically changes in response to a drive signal that is input; a light source that emits detection light at an object via the variable focal length lens; an photodetector that receives the detection light that is reflected by the object, and outputs a light detection signal; a signal processor that, based on the light detection signal that is input, outputs a light emission signal that is synchronized to a focusing time point where the detection light is focused on a surface of the object; an illuminator that provides pulse illumination to the object with illuminating light, based on the light emission signal that is input; and an image capturer that captures an image of the object through the variable focal length lens.

The present specification discloses an apparatus and method for controlling the brightness of light to calculate more accurate figures as compared to when the level of a component in blood is measured through a change in color of a reaction reagent. A light control apparatus for a colorimetric method according to the present specification can control light to have a second brightness different from a first brightness while a camera captures an image of the reaction of a reagent and a sample. Thus, a wider range of measurement than conventional measurement ranges is possible.

An eyeball tracking method is provided. A left infrared light source and a right infrared light source are alternately turned on. A left tracking camera and a right tracking camera are controlled to correspondingly shoot the turned-on left infrared light source or the turned-on right infrared light source to form turned-on odd-frame tracking images and turned-on even-frame tracking images. Turned-off even-frame tracking images and turned-off odd-frame tracking images when the left infrared light source and the right infrared light source are alternately turned off in sequence are obtained according to the turned-on odd-frame tracking images and the turned-on even-frame tracking images. The turned-on odd-frame tracking images and the turned-off even-frame tracking images are combined to form a tracking image of one eye, and the turned-on even-frame tracking images and the turned-off odd-frame tracking images are combined to form a tracking image of the other eye.

This application provides an image obtaining method and apparatus. The image obtaining method according to this application includes: obtaining first original image data, where the first original image data is captured by an image sensor based on an initial visible light exposure parameter and luminous intensity of an infrared illuminator; obtaining a luminance of a visible light image based on the first original image data; adjusting the visible light exposure parameter based on a first difference, where the first difference is a difference between the luminance of the visible light image and preset target luminance of the visible light image; obtaining a luminance of an infrared image based on the first original image data; adjusting the luminous intensity of the infrared illuminator based on a second difference, where the second difference is a difference between the luminance of the infrared image and preset target luminance of the infrared image.

An object detection device includes an irradiation unit, a light reception unit and a detection unit. The light reception unit is configured to receive reflected light of light radiated by the irradiation unit and environment light. The detection unit is configured to detect a predetermined object based on a point group that is information based on the reflected light and at least one image. The point group is a group of reflection points detected in the whole distance measurement area. The at least one image includes an environment light image that is an image based on the environment light, a distance image that is an image based on a distance to an object detected on a basis of the reflected light and/or a reflection intensity image that is an image based on reflection intensity of the reflected light.

A display device according to one embodiment of the present disclosure acquires time series images; processes the acquired images; performs control so that a processed image is displayed on a display; detects a closed state of an eyelid of a user; and starts power saving processing to reduce power consumption of the image processing or the displaying, in response to the detection of the closed state of the eyelid, and instructs restart of processing that was being performed before the power saving processing, in the image processing or the displaying, at a timing when a specific time has elapsed from the detection of the closed state of the eyelid.

An illumination system for a lighting assembly comprises a light assembly configured to selectively illuminate an operating region in a surgical suite and a plurality of light sources positioned within the light assembly and configured to emit light. The system further comprises at least one imager configured to capture image data and a controller. The controller is configured to scan the image data in at least one region of interest for a shaded region and identify a location of the shaded region within the region of interest. The controller is further configured to control the light assembly to activate at least one of the light sources to emit light impinging on the shaded region within the region of interest.

Disclosed are devices, systems and methods for capturing an image. In one aspect an electronic camera apparatus includes an image sensor with a plurality of pixel regions. The apparatus further includes an exposure controller. The exposure controller determines, for each of the plurality of pixel regions, a corresponding exposure duration and a corresponding exposure start time. Each pixel region begins to integrate incident light starting at the corresponding exposure start time and continues to integrate light for the corresponding exposure duration. In some example embodiments, at least two of the corresponding exposure durations or at least two of the corresponding exposure start times are different in the image.