A medical control device includes: a driving mode switch configured to switch a driving mode of a rolling shutter type image sensor in which a plurality of pixels are two-dimensionally arrayed in units of horizontal lines; and a dimming controller configured to control a light emitting element configured to emit light according to a supplied current, and switch control of the light emitting element according to the driving mode.

Row-by-row pixel read-out is executed concurrently within respective clusters of pixels of a pixel array, alternating the between descending and ascending progressions in the intra-cluster row readout sequence to reduce temporal skew between neighboring pixel rows in adjacent clusters.

Disclosed are aspects of a camera assembly, including a sensor for sampling image data in a sampling step. A lens is provided for focussing light onto the sensor. A window is supported in front of the lens. The window includes a transparency changing material for varying the transmittance of light through the window in response to an input signal. The camera assembly is configured to thereby increase the transmittance of light through the window during the sampling step of the sensor.

Disclosed are aspects of a camera assembly, including a sensor for sampling image data in a sampling step. A lens is provided for focussing light onto the sensor. A window is supported in front of the lens. The window includes a transparency changing material for varying the transmittance of light through the window in response to an input signal. The camera assembly is configured to thereby increase the transmittance of light through the window during the sampling step of the sensor.

An image sensor including: first and second capacitors; a first transistor between a photodiode and a floating diffusion node, and receiving a transfer signal; a second transistor between a first power terminal and the floating diffusion node and receiving a reset signal; a third transistor between a second power terminal and a first node and having a gate connected to the floating diffusion node; a fourth transistor between the first node and a column line and receiving a precharge signal; a fifth transistor between the first capacitor and a feedback node and receiving a first sampling signal; a sixth transistor between the second capacitor and feedback node and receiving a second sampling signal; a seventh transistor between the first node and feedback node and receiving a first switch signal; and an eighth transistor between the floating diffusion and feedback nodes and receiving a second switch signal.

A synchronization control apparatus includes a control unit configured to control a plurality of imaging devices that capture an image, and a determination unit configured to determine a target region from which an image is acquired from each of the plurality of imaging devices, and to determine a synchronization signal corresponding to the target region in each of the plurality of imaging devices, wherein the determination unit determines the synchronization signal and the target region in each of the plurality of imaging devices so as to temporally synchronize images acquired from the plurality of imaging devices.

An image processing system may comprise a global shutter camera, an illumination emitter, and a processing system comprising at least one processor and memory. The processing system may be configured to control the image processing system to: control the illumination emitter to illuminate a scene; control the global shutter camera to capture a sequence of images of the scene, wherein the captured sequence of images includes images that are captured without illumination of the scene by the illumination emitter and images that are captured while the scene is illuminated by the illumination emitter; and determine presence of an object in the scene based on comparison of the images captured without illumination of the scene and images captured with illumination of the scene.

An image sensor may include: a pixel array including a plurality of pixels; and a timing controller configured to control the pixel array according to an operation mode of the pixel array. The operation mode may be any one of a first mode in which the plurality of pixels operate according to a global shutter method and a second mode in which the plurality of pixels operate according to a dual conversion gain method.

An electronic camera comprising an image sensor configured to capture an electronic image and a shutter mechanism. The electronic camera further comprises a controller configured to control the shutter mechanism and the image sensor. The controller comprising a processor and a memory having computer-readable code embodied therein which, when executed by the processor, causes the controller to: open the shutter mechanism, allow light to reach the image sensor for an exposure, automatically cause the image sensor to capture a first digital image of a scene using a first capture setting and automatically cause the image sensor to capture a second digital image of the scene using a second capture setting. The first capture setting includes a first value and the second capture setting includes a second value respectively of at least one of an aperture parameter, a shutter speed parameter, an ISO sensor gain parameter.

There is provided a system for performing ambient light image correction. The system comprises a light source, a rolling shutter imaging unit configured to capture a plurality of images of the object at an exposure time shorter than the wave period of the pulsed illumination from the light source, and a control unit configured to generate a first composite image comprising a plurality of bright bands from the plurality of captured images by combining sections from the plurality of captured images which correspond to bright bands, generate a second composite image comprising a plurality of dark bands from the plurality of captured images by combining sections from the plurality of captured images which correspond to dark bands, and generate an ambient light corrected image based on a difference in pixel information between the first composite image and the second composite image.