Abstract: A sub-ranging programmable gain amplifier resolves an incoming signal into one of multiple amplitude sub-ranges and dynamically steps down the PGA output according to the identified sub-range.

Abstract: The present technology relates to a comparator that can easily modify operating point potential of the comparator, and an imaging device. A pixel signal output from a pixel, and, a reference signal with changeable voltage are input to a differential pair. A current mirror connected to the differential pair, and a voltage drop mechanism allowed to cause a predetermined voltage drop is connected between a transistor that configures the differential pair, and a transistor that configures the current mirror. A switch is connected in parallel to the voltage drop mechanism. The present technology can be applied, for example, to an image sensor that captures an image.

Abstract: A camera matte box electrically controls an adjustable lens filter. The camera matte box includes a body, at least one adjustable flap, a filter holder, a changeable lens adapter, and an electrical filter control module. The electrical filter control module adjusts a position of the adjustable filter according to a command received using a communication interface. The filter holder removably holds the adjustable filter and a non-adjustable filter in the body.

Abstract: In a solid-state imaging element that transfers data in a vertical direction, the number of times of transfer is reduced. The solid-state imaging element is provided with a plurality of storage units and a data transfer circuit. In the solid-state imaging element, each of the plurality of storage units is provided with a holding unit that holds predetermined reset data and signal data according to an amount of light, and an arithmetic circuit that obtains a difference between the reset data and the signal data to output as pixel data. Furthermore, the data transfer circuit in the solid-state imaging element transfers the output pixel data.

Abstract: An image pickup apparatus which is capable of stably detecting rotating operations of a rotary ring provided on an outer periphery of a lens barrel or the like. A holding member is provided on an inner periphery of the rotary ring to hold the rotary ring. A rotation detecting member detects a rotation direction and a rotation amount of the rotary ring when the rotary ring has been rotated. An urging member urges the rotary ring against the holding member in an urging direction perpendicular to a rotational axis of the rotary ring. A detecting direction of the rotation detecting member and the urging direction of the urging member are parallel to each other.

Abstract: An image processing device includes a vision sensor and a processor. The vision sensor generates a plurality of events in which an intensity of light changes and generates a plurality of timestamps depending on times when the events occur. In addition, the processor may regenerate a timestamp of a pixel where an abnormal event occurs, based on temporal correlation of the events.

Abstract: An image capturing device is provided, which includes an image capture component and N light modules. The image capture component is configured to capture an appearance image of a component. The N light modules are disposed around the image capture component, to be turned on alternately, and N?4. When at least one of the N light modules is turned on, the image capture component captures the appearance image of the component.

Abstract: In a solid-state imaging element that performs AD conversion for each pixel, image quality degradation when resolution is lowered is suppressed without wastefully consuming power. The solid-state imaging element includes a plurality of pixels. Each of the plurality of pixels is provided with a comparison unit, an addition circuit, and a data storage unit. The comparison unit generates a difference signal obtained by amplifying a difference between an analog pixel signal to which a predetermined coordinate is assigned and a predetermined reference signal. The addition circuit generates an addition signal by performing analog addition of the difference signal and a difference signal regarding another coordinate adjacent to the predetermined coordinate. The data storage unit holds a digital signal indicating a time when an output signal of the comparison unit corresponding to the addition signal is inverted.

Abstract: Only a necessary region is imaged on the basis of a result of interleaving imaging. An imaging apparatus includes an imaging element, an analog-to-digital converter, and a conversion control unit. The imaging element generates analog signals of a plurality of pixels for a plurality of pixel blocks each including a plurality of pixels. The analog-to-digital converter performs analog-to-digital conversion processing for converting an analog signal into a digital signal. The conversion control unit controls the analog-to-digital conversion processing of a plurality of pixels included in a predetermined pixel block according to a difference between a digital signal of a representative pixel in the predetermined pixel block in the plurality of pixel blocks and a predetermined reference value.

Abstract: A solid-state imaging device includes a plurality of pixels, each of the plurality of pixels including a photoelectric converter. The photoelectric converter includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type provided under the first semiconductor region, and a third semiconductor region of the first conductivity type provided under the second semiconductor region. The second semiconductor region has a first end portion and a second end portion opposing to the first end portion. The third semiconductor region has a first region and a second region overlapping with the second semiconductor region in a plan view, and the first region and the second region are spaced apart from each other from a part of the first end portion to a part of the second end portion.

Abstract: Disclosed is an image correction method, implemented in an image correction apparatus that corrects an image taken by a camera, the method including: obtaining a first image by taking an image of a chart including a plurality of circles, each of which includes one or more regions of interest (ROIs) in a tangential direction and a sagittal direction, through the camera; selecting and storing tangential and sagittal image blur correction data of the camera, based on image blur data in the tangential and sagittal directions of the camera measured using the obtained first image; and loading the stored tangential and sagittal image blur correction data and applying the loaded tangential and sagittal image blur correction data to correction for a second image taken by the camera. Thus, image distortion due to, in particular, tangential and sagittal image blurs is effectively corrected by taking individual characteristics of the camera into account.

Abstract: Systems and methods for dynamically calibrating an array camera to accommodate variations in geometry that can occur throughout its operational life are disclosed. The dynamic calibration processes can include acquiring a set of images of a scene and identifying corresponding features within the images. Geometric calibration data can be used to rectify the images and determine residual vectors for the geometric calibration data at locations where corresponding features are observed. The residual vectors can then be used to determine updated geometric calibration data for the camera array. In several embodiments, the residual vectors are used to generate a residual vector calibration data field that updates the geometric calibration data. In many embodiments, the residual vectors are used to select a set of geometric calibration from amongst a number of different sets of geometric calibration data that is the best fit for the current geometry of the camera array.

Abstract: A pixel readout circuit and a technique for imaging are disclosed. The circuit includes: an array of pixel integration circuits, each adapted for receiving an electric signal indicative of photocurrent of light sensitive pixel of a pixel matrix, integrate the electric signal over a frame period, and output the integrated signal at an imaging frame rate being one over the period; and an array of pixel derivation circuits, each includes a signal preprocessing channel for receiving a total electric signal indicative of at least a component of the photocurrent(s) of a cluster of respective light sensitive pixel(s); and a comparison unit adapted to analyze the total electric signal to determine digital data indicative of a change in the total electric signal relative to one or more thresholds; and a digital output utility adapted to readout of the digital data at a second rate different than the frame rate.

Abstract: A method for contrast-based autofocus of an image capture device. The method includes obtaining sensor data representative of an image captured by the image capture device, wherein the sensor data comprises pixel values from respective sensor pixels of an image sensor of the image capture device. A subset of the pixel values is dynamically selected to generate selected sensor data representative of the subset of the pixel values. The selected sensor data is processed to generate contrast data representative of a contrast-based characteristic of at least a portion of the image. The contrast data is processed to determine a focus setting for the image capture device.

Abstract: A medical image acquisition system includes an imaging device and an image processing device. The imaging device includes: an imaging unit configured to receive light and convert the light into an electric signal so as to generate the imaging signal; an optical unit including a focus mechanism moving one or a plurality of lenses so as to adjust a focal point position, and configured to form an optical image on the imaging unit; a memory configured to store therein unique information of the imaging device; and an auto focus controller configured to totally control the imaging device. The image processing device includes an auto focus evaluation unit configured to perform focusing evaluation based on the imaging signal, and the auto focus controller controls driving of the focus mechanism by referring to the unique information in accordance with an evaluation result by the auto focus evaluation unit.

Abstract: A system and method for an imaging circadiometer that measures the spatial distribution of eye-mediated, non-image-forming optical radiation within the visible spectrum.

Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include determining an orientation setpoint for an image sensor; based on a sequence of orientation estimates for the image sensor and the orientation setpoint, invoking a mechanical stabilization system to adjust an orientation of the image sensor toward the orientation setpoint; receiving an image from the image sensor; determining an orientation error between the orientation of the image sensor and the orientation setpoint during capture of the image; based on the orientation error, invoking an electronic image stabilization module to correct the image for a rotation corresponding to the orientation error to obtain a stabilized image; and storing, displaying, or transmitting an output image based on the stabilized image.

Abstract: An apparatus comprises a generating unit configured to generate a plurality of pieces of RAW data for respective exposure times from RAW data obtained from a sensor that can perform shooting at an exposure time that is different for each pixel, and an encoding unit configured to encode the generated plurality of pieces of RAW data.

Abstract: It is possible to further improve convenience of a user. Provided is a control device including an illumination condition deciding unit that decides illumination conditions which are conditions for controlling emission lights from respective light emission points for an illuminating device which includes a plurality of the light emission points arranged in a planar shape and emits an illumination light as the emission lights of the respective light emission points are controlled, in which the illumination condition deciding unit automatically decides the illumination conditions on the basis of predetermined information.

Abstract: The embodiments of the present disclosure provide a reset method, a reset device, a reset system and a pixel array using the same. The reset method includes an electric charge accumulation unit being configured to store a first electric charge and an electric charge storage unit being configured to store a second electric charge. A polarity of the first electric charge is opposite to a polarity of the second electric charge. The reset method includes controlling the electric charge storage unit to obtain the second electric charge; and resetting the electric charge accumulation unit so as to transfer a preset amount of the second electric charge from the electric charge storage unit to the electric charge accumulation unit, which includes a third port of the control module applying a control voltage to a second end of the electric charge storage unit; and meanwhile charging the electric charge storage unit during the process of transferring the second electric charge.