Patent classifications
H04N25/40
IMAGE SENSOR, IMAGE CAPTURING APPARATUS AND IMAGE PROCESSING APPARATUS
An image sensor comprises: a pixel region including a plurality of microlenses arranged in a matrix, and a plurality of photoelectric conversion portions provided for each of the microlenses; a plurality of amplifiers that apply a plurality of different gains to signals output from the pixel region; and a scanning circuit that scans the pixel region so that a partial signal and an added signal are read out, the partial signal being a signal from some of the plurality of photoelectric conversion portions, and the added signal being a signal obtained by adding the signals from the plurality of photoelectric conversion portions.
PIXEL CELL, IMAGE SENSOR AND METHOD FOR OPERATING A PIXEL CELL
A pixel cell comprises a plurality of pixels, each pixel comprising a photodiode, a readout circuit comprising a first readout component and a second readout component, wherein a first group of the pixels is configured to detect electromagnetic radiation in a first wavelength range, a second group of the pixels is configured to detect electromagnetic radiation in a second wavelength range, the first readout component is connected with the first group of pixels, the second readout component is connected with the second group of pixels, the first wavelength range is different from the second wavelength range, and the second readout component comprises a plurality of storage capacitors, wherein each pixel of the second group of pixels is assigned to at least one of the storage capacitors, or the second readout component comprises a memory element. Furthermore, a method for operating a pixel cell is provided.
IMAGING DEVICE AND IMAGE PROCESSING METHOD
An imaging device includes an imaging unit including a plurality of pixels, respectively including photoelectric converters and charge accumulation nodes that accumulate signal charge. The imaging unit outputs image data based on signals corresponding to the signal charge accumulated in the charge accumulators. The imaging device includes an image processing unit that processes the image data output by the imaging unit. The imaging unit sequentially outputs a plurality of pieces of image data in one frame period by performing readout nondestructively. The image processing unit generates difference image data by determining a difference between two pieces of image data, selects output image data from initial image data and the difference image data, and combines the output image data and normal readout image data included in the plurality of pieces of image data, to generate combination-result image data.
Video compression apparatus, electronic apparatus, and video compression program
A video compression apparatus includes: an acquisition unit configured to acquire video data including a plurality of frames outputted from an imaging element that has a first imaging region to image a subject and a second imaging region to image a subject and for which a first frame rate can be set for the first imaging region and a second frame rate higher than the first frame rate can be set for the second imaging region; and a compression unit configured to compress the video data acquired by the acquisition unit based on the first frame rate and the second frame rate.
Imaging device, imaging system, and moving object
An imaging device is provided in which a shield wiring is arranged between signal lines of a first set out of a plurality of signal lines, and, in which signal lines of a second set out of a plurality of signal lines are adjacent to each other.
Systems And Methods For Tracking Objects
Systems and methods to track objects within an operating room with a navigation system that includes an optical sensor including sensing elements and a controller in communication with the optical sensor. The controller controls the optical sensor to process a first quantity of the sensing elements to view a first region of interest. The object is tracked within the first region of interest with the optical sensor. The controller obtains data related to the object within the operating room. The data may include a type of the object and/or prior pose data of the object being tracked. Based on the data, the controller controls the optical sensor to process a second quantity of the sensing elements, different from the first quantity, to view a second region of interest different from the first region of interest. The object is tracked within the second region of interest with the optical sensor.
GLOBAL SHUTTER PIXEL CIRCUIT AND METHOD FOR COMPUTER VISION APPLICATIONS
An imaging system includes an illumination unit and a sensor unit disposed on a printed circuit board. The illumination unit includes a diode laser source inside an illumination housing. The sensor unit includes an image sensor having a pixel array and a lens barrel mounted on the image sensor with an adhesive, and an optical fiber coupled between the illumination housing and image sensor. The optical fiber is configured to collect a portion of light from the interior of the illumination housing that is emitted by the diode laser source and direct the portion of light to a corner of the pixel array of the image sensor that is located outside the lens barrel.
Image processing device configured to regenerate timestamp and electronic device including the same
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.
Image sensor configured to dynamically adjust conversion gain of a pixel in accordance with exposure time
An image sensor including: a pixel array including a plurality of pixels connected to a plurality of row lines and a plurality of column lines, each of the plurality of pixels including a photodiode for generating an electric charge in response to light, and a pixel circuit having a floating diffusion for storing the electric charge; and a controller configured to adjust a capacitance of the floating diffusion to a first value and obtain a first pixel signal from the pixel circuit during a first time period, adjust the capacitance of the floating diffusion to a second value greater than the first value and obtain a second pixel signal from the pixel circuit during a second time period subsequent to the first time period, and generate a result image using the first pixel signal and the second pixel signal.
ELECTRONIC DEVICE INCLUDING IMAGE SENSOR AND OPERATING METHOD THEREOF
A method and an electronic device are provided in which, in a first unit pixel of an image sensor, a first analog-to-digital conversion (ADC) is performed by reading out a first photodiode (PD) group and a second PD group that is adjacent to the first PD group in a first direction. A second ADC is performed by reading out a third PD group that is adjacent to the first PD group in a second direction. The second direction is perpendicular to the first direction. A third ADC is performed by reading out a fourth PD group that is adjacent to the second PD group in the second direction. A first phase difference in the second direction is detected based on the first ADC, the second ADC, and the third ADC. A second phase difference in the first direction is detected based on the second ADC and the third ADC.