H04N5/367

SOLID-STATE IMAGING DEVICE AND ELECTRONIC APPARATUS
20210400225 · 2021-12-23 ·

A solid-state imaging device according to an embodiment of the present disclosure includes two or more pixels. The pixels each include a photoelectric converter, a charge holding section, and a transfer transistor. The charge holding section holds electric charge transferred from the photoelectric converter. The transfer transistor transfers electric charge from the photoelectric converter to the charge holding section. The pixels each further include a light blocking section that is disposed in a layer between the photoelectric converter and the charge holding section. The light blocking section has an opening which a vertical gate runs through. The pixels each further include a charge blocking section that blocks transfer of electric charge to the transfer transistor via a region between an edge, of the opening, closer to the charge holding section and the vertical gate.

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.

Radiation imaging apparatus, radiation imaging system, control method of radiation imaging apparatus, and non-transitory computer-readable storage medium
11199637 · 2021-12-14 · ·

A radiation imaging apparatus is provided. The apparatus comprises an image capturing unit that is provided with pixels for converting incident radiation into electrical signals and is configured to output first image data, a storage unit configured to store position information of a first pixel which continuously outputs an abnormal pixel value, a replacing unit configured to generate second image data from the first image data by replacing a pixel value of the first pixel with a preset setting value based on the position information and a correction unit configured to detect a second pixel which is not stored in the storage unit and outputs an abnormal pixel value, and correct the pixel value of the second pixel. The correction unit detects and corrects the second pixel based on the second image data that includes the first pixel whose pixel value has been replaced.

IMAGE PROCESSING SYSTEM FOR PERFORMING IMAGE QUALITY TUNING AND METHOD OF PERFORMING IMAGE QUALITY TUNING

An image processing system includes a memory configured to store a plurality of reference images used for image quality tuning, an image signal processor configured to receive a plurality of captured images corresponding to the plurality of reference images and configured to generate a plurality of corrected images by being configured to perform a corresponding image processing operation among a plurality of image processing operations, and a tuning module configured to set parameters of the plurality of image processing operations based on the plurality of corrected images and the plurality of reference images.

METHOD FOR CALIBRATING A PHOTODETECTOR ARRAY, A CALIBRATION DEVICE, AND AN ASSOCIATED IMAGING SYSTEM
20220207775 · 2022-06-30 · ·

A method for calibrating a photodetector array supplying a video stream includes: a determination step, wherein an offset table is determined for each current image of the video stream based on at least two corrections from among the following: a first correction from a comparison of the current image to a corresponding predetermined reference table; a second correction from a calculation of a column error of the current image; and a third correction from a high-pass temporal filtering of the video stream; and a calculation step, wherein a current value of an offset table, equal to a sum between a previous value of the offset table and a weighted sum of at least two corrections, is calculated, with each coefficient of the offset table being associated with a respective photodetector of the array.

Binner circuit for image signal processor
11375140 · 2022-06-28 · ·

Embodiments relate to image signal processors (ISP) that include binner circuits that down-sample an input image. An input image may include a plurality of pixels. The output image of the binner circuit may include a reduced number of pixels. The binner circuit may include a plurality of different operation modes. In a bin mode, the binner circuit may blend a subset of input pixel values to generate an output pixel quad. In a skip mode, the binner circuit may select one of the input pixel values as the output pixel pixel. The selection may be performed randomly to avoid aliasing. In a luminance mode, the binner circuit may take a weighted average of a subset of pixel values having different colors. In a color value mode, the binner circuit may select one of the colors in a subset of pixel values as an output pixel value.

Photoelectric conversion apparatus, image capturing system, method for driving photoelectric conversion apparatus, and moving object
11368639 · 2022-06-21 · ·

In an aspect of the present disclosure, a photoelectric conversion apparatus comprising includes a scan unit and a plurality of pixels each including a photoelectric conversion unit and configured to output a digital signal corresponding to an electric charge generated by the photoelectric conversion unit. The scan unit performs a scan to read the digital signal from the plurality of pixels and an operation of inputting a signal based on the digital signal output from the plurality of pixels to the plurality of pixels.

Processing received pixel values in an image processing system using pixel value subset groups
11361398 · 2022-06-14 · ·

Data processing systems (e.g. image processing systems) and methods are provided for processing a stream of data values (e.g. pixel values). The image processing system comprises a processing module configured to: receive a plurality of pixel values; and implement processing of a particular pixel value by operating on a particular subset of the received pixel values, by: defining a set of one or more groups into which pixel values within the particular subset can be grouped; classifying each of the pixel values within the particular subset into one of the groups of the set of one or more groups based on the value of that pixel value; processing the particular pixel value using one or more of the pixel values of the particular subset in dependence on the classification of the pixel values of the particular subset into the one or more groups; and outputting the processed particular pixel value.

Circuit for correcting lateral chromatic abberation
11350063 · 2022-05-31 · ·

Embodiments relate to lateral chromatic aberration (LCA) recovery of raw image data generated by image sensors. A chromatic aberration recovery circuit performs chromatic aberration recovery on the raw image data to correct the resulting LCA in the full color images using pre-calculated offset values of a subset of colors of pixels.

Imaging device, imaging system, and imaging method

An imaging device according to the present disclosure includes: an imaging unit configured to perform an imaging operation; a data generator configured to generate first power supply voltage data corresponding to a first power supply voltage; and a flag generation section configured to generate a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.