Patent classifications
H04N9/077
IMAGE SENSOR AND DRIVING METHOD THEREOF
An image sensor according to some example embodiments includes a pixel array unit including a plurality of transmission signal lines and a plurality of output signal lines, and a plurality of pixels connected to the plurality of transmission signal lines and the plurality of output signal lines. Each of the plurality of pixels includes a plurality of photoelectric conversion elements, which are configured to detect and photoelectrically convert incident light. The plurality of pixels include at least one autofocusing pixel and at least one normal pixel.
Image sensor having phase difference detection pixels for focus detection, and image pick-up apparatus including the image sensor
An image sensor and an image pick-up apparatus including the same are provided. The image sensor includes a plurality of phase difference detection pixels and a plurality of image detection pixels arranged in a lattice pattern together with the phase difference detection pixels, wherein the phase difference detection pixels are arranged at an interval of a predetermined number of pixels in the lattice pattern, and the predetermined number of pixels has a maximum value of 16. In a phase difference detection type auto focus (AF) system, focus accuracy is improved without deterioration of image quality.
Image sensors with phase detection pixels
An image sensor may include an image pixel array with both image pixels to gather image data and phase detection pixels to gather phase information. The phase detection pixels may be arranged in pairs, with two adjacent pixels covered by a single microlens. The phase detection pixel pairs may be arranged in dashed lines, with image pixels interposed between each phase detection pixel pair. There may be only one image pixel interposed between each phase detection pixel pair. The phase detection pixels may all include color filter elements of the same color. The phase detection pixels may all include green color filter elements. The image pixels in the interrupted lines may include color filter elements that match the surrounding color pattern. The image pixels in the interrupted lines may all include color filter elements of the same color.
Image processing device, imaging device, image processing method, and image processing program
Disclosed are an image processing device, an imaging device, an image processing method, and an image processing program capable of, when recovering a deteriorated image due to a point spread function of an optical system, suppressing the occurrence of artifact and color gradation and achieving reduction in computational costs. The image processing device includes a frequency recovery processing unit which subjects image data acquired from an imaging element by capturing an object image using an optical system to frequency recovery processing using a frequency recovery filter based on a point spread function of the optical system, a gradation correction processing unit which subjects image data subjected to the frequency recovery processing to nonlinear gradation correction, and a phase recovery processing unit which subjects image data subjected to the gradation correction to phase recovery processing using a phase recovery filter based on the point spread function of the optical system.
FOCUS ADJUSTING APPARATUS, FOCUS ADJUSTING METHOD, AND IMAGE CAPTURING APPARATUS
In a focus adjusting apparatus, a tracking unit detects from an image signal an area of a subject to be tracked, a position of an imaging plane of the area and reliability of the position, and a prediction unit predicts a position of an imaging plane when the image signal was obtained based on a history of detected positions of imaging planes. A setting unit sets a tolerance based on the reliability, and a determination unit determines the area of the detected subject as a focus adjustment area if a difference between the predicted and detected positions is within the tolerance. The prediction unit predicts a position of an imaging plane of the subject in the focus adjustment area at a future time point.
MOTION COMPENSATION FOR IMAGE SENSOR WITH A BLOCK BASED ANALOG-TO-DIGITAL CONVERTER
An electronic device including a motion sensor and motion correction circuitry. The motion sensor detects motion of the electronic device and outputs motion information based on the detected motion. The motion correction circuitry corrects raw domain image data, received from an image sensor that has a block-based analog-to-digital converter architecture, based on the motion information. The corrected image data is output in a same raw domain image data format as the uncorrected raw domain image data.
COLOR MEASUREMENT AND CALIBRATION
Embodiments described herein disclose a color measurement device and method for use with cameras or other imaging devices. The color measurement device may be configured to determine many different colors via a commonly owned device. Embodiments utilize sinusoidal grayscale rings to determine an exact color match of an unknown color, even if there is perspective distortion of an obtained image.
IMAGE SENSORS AND IMAGE CAPTURING APPARATUS INCLUDING THE SAME
Provided are an image sensor and an image capturing apparatus including the image sensor. The image sensor includes a pixel array including: multiple sensing pixels outputting image signals respectively corresponding to intensities of incident light; and at least one pair of focusing pixels that are adjacent each other, and each outputting a phase difference of the incident light as a focusing signal; wherein each focusing pixel includes: a semiconductor layer including a photodetecting device accumulating electric charges generated according to absorbed light from among the incident light; a wiring layer formed on a first surface of the semiconductor layer and including wirings; a planarization layer having a first surface on a second surface of the semiconductor layer; a shielding layer formed in the planarization layer to block some of the incident light to be incident to the photodetecting device; and a color filter layer and a micro lens layer.
IMAGE SENSOR HAVING YELLOW FILTER UNITS
An image sensor includes a sensing layer for sensing a light beam and a number of pixel groups. Each of the pixel groups includes a yellow filter unit allowing a green light component and a red light component of the light beam to pass through, a green filter unit allowing the green light component of the light beam to pass through, and a blue filter unit allowing a blue light component of the light beam to pass through.
Image processing device, image processing method, and image pickup device
Disclosed herein is an image processing device including a subband dividing section configured to perform subband division of image data of a color whose pixel positions are alternately shifted from each other, the image data being included in image data output from an image pickup element of a pixel arrangement in which the pixel positions of at least one color of three primary colors are alternately shifted from each other in one of a horizontal direction and a vertical direction, with pixels of two upper and lower lines adjacent to each other or pixels of two left and right columns adjacent to each other as a unit.