H04N25/441

Alignment method and system for manufacturing mask integration framework

An alignment method for manufacturing a mask integration framework is disclosed. The alignment method includes establishing an absolute coordinate system by taking a center of a metal framework as an origin of coordinates, the center of the metal framework coinciding with a center of an array substrate serving as a reference, controlling the array substrate to move, such that an offset of coordinates of a pixel point under the absolute coordinate system with respect to a predetermined theoretical value is smaller than or equal to a predetermined error value, and transmitting the coordinates of the pixel point under the absolute coordinate system, after the array substrate moves, to a tension device. An alignment system for manufacturing mask integration framework is also disclosed.

IMAGING DEVICE AND IMAGING SYSTEM
20200328240 · 2020-10-15 ·

An object of the present invention is to prevent a sensitivity difference between pixels. There are disposed plural unit cells each including plural photodiodes, plural transfer MOSFETs arranged corresponding to the plural photodiodes, respectively, and a common MOSFET which amplifies and outputs signals read from the plural photodiodes. Each pair within the unit cell, composed of the photodiode and the transfer MOSFET provided corresponding to the photodiode, has translational symmetry with respect to one another. Within the unit cell, there are included a reset MOSFET and selecting MOSFET.

SYNCHRONIZING AN ILLUMINATION SEQUENCE OF ILLUMINATION SOURCES WITH IMAGE CAPTURE IN ROLLING SHUTTER MODE

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a biometric authentication system. In one aspect, a method includes receiving, at one or more processing devices, data corresponding to a first set of pixels of an image sensor. The first set of pixels are exposed under illumination by a first source. Data corresponding to a second set of pixels of the image sensor is received, at the one or more processing devices. The second set of pixels are exposed under illumination by a second source that is spatially separated from the first source. A three-dimensional image is generated using the data corresponding to the first set of pixels as a first image of a pair of photometric stereo images, and the data corresponding to the second set of pixels as a second image of the pair of photometric stereo images.

SYNCHRONIZING AN ILLUMINATION SEQUENCE OF ILLUMINATION SOURCES WITH IMAGE CAPTURE IN ROLLING SHUTTER MODE

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a biometric authentication system. In one aspect, a method includes receiving, at one or more processing devices, data corresponding to a first set of pixels of an image sensor. The first set of pixels are exposed under illumination by a first source. Data corresponding to a second set of pixels of the image sensor is received, at the one or more processing devices. The second set of pixels are exposed under illumination by a second source that is spatially separated from the first source. A three-dimensional image is generated using the data corresponding to the first set of pixels as a first image of a pair of photometric stereo images, and the data corresponding to the second set of pixels as a second image of the pair of photometric stereo images.

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, IMAGE CAPTURING DEVICE, AND PROGRAM

In an information compression unit 311, in an image capturing unit 121 (221), among a plurality of pixel output units that receives object light that enters without passing through any of an image capturing lens and a pinhole, pixel outputs of at least two of the pixel output units have incident angle directivity modulated into different incident angle directivity according to an incident angle of the object light. The information compression unit 311 performs compression processing to reduce an amount of data of pixel output information generated by the image capturing unit 121 (221). For example, by computation of a difference between set reference value information and the pixel output information, linear calculation of a set calculation parameter and the pixel output information, and the like, the information compression unit 311 reduces a word length of the pixel output information, and reduces the amount of data of the pixel output information generated according to the object light that enters without passing through any of an image capturing lens and a pinhole.

SYSTEMS AND METHODS FOR LOW LIGHT VISION THROUGH PULSED LIGHTING
20200282921 · 2020-09-10 ·

Vehicles and methods are described for improved vehicle camera functionality. An example vehicle includes a CMOS camera, lights, and an imaging controller. The imaging controller is configured to capture a plurality of image frames by, for each image frame: exposing one or more rows of the CMOS camera at a time, and pausing exposure during a frame time gap after capturing a last row of the CMOS camera. The imaging controller is also configured to, for one or more of the plurality of image frames: operate the one or more lights at a reduced intensity level during a first section of the image frame, wherein the reduced intensity level is lower than a maximum average intensity level; and operate the one or more lights at an increased intensity level during a second section of the image frame, wherein the increased intensity level is higher than the maximum average intensity level.

IMAGING APPARATUS AND METHOD, AND IMAGE PROCESSING APPARATUS AND METHOD

The present technology relates to an imaging apparatus and method, and an image processing apparatus and method that make it possible to control the resolution of a detection image.

A resolution is set, and a restoration matrix is set including coefficients used when a restored image is restored from output pixel values of a plurality of pixel output units, of an imaging element including the plurality of pixel output units that receives incident light entering without passing through either an imaging lens or a pinhole, and each outputs one detection signal indicating an output pixel value modulated by an incident angle of the incident light, depending on the resolution set. The present disclosure can be applied to, for example, an imaging apparatus, an image processing apparatus, an information processing apparatus, an electronic device, a computer, a program, a storage medium, a system, and the like.

Differential digital double sampling method and CMOS image sensor for performing same

A method for performing differential double sampling and a CMOS image sensing device for performing the same. In one example, the CMOS image sensing device includes a pixel array include a multitude of pixels with each pixel formed by a plurality of photodiodes, a floating diffusion point and a plurality of transistors electrically coupled the plurality of photodiodes. Moreover, a column readout circuit with four storage capacitors is selectively coupled to the pixel array by switches so that the storage capacitors can store sampled pixel values. A control circuit connected to the pixel array and the column readout circuit selectively activates the transistors to output to the column readout circuit sampled dark value and bright values of one photodiode and a sampled double bright value of the one photodiode and one additional photodiode.

Imaging device, drive method of imaging device, and imaging system
10750103 · 2020-08-18 · ·

Provided is an imaging device including row drive unit having a first storage unit that stores and outputs a first signal for a readout from the pixels on an associated row, a second storage unit that stores and outputs a second signal for an operation for causing the photoelectric conversion element on an associated row to be reset to a charge accumulation state, and a third storage unit that stores and outputs a third signal for maintaining the photoelectric conversion element on an associated row in a charge accumulation state or a reset state based on the first signal output from the first storage unit and the second signal output from the second storage unit.

Imaging device, still image capturing method, and still image capturing program
10715737 · 2020-07-14 · ·

An imaging device includes a MOS type imaging element comprising a plurality of pixels; a mechanical shutter disposed in front of the imaging element; a driving unit that drives the imaging element; an imaging control unit that performs still image exposure control, first readout control and second readout control as defined herein; a display control unit that generates live view image data as defined herein; a first storage unit as defined herein; and an image processing unit as defined herein.