A signal processing chain implements wide dynamic range (WDR) multi-frame processing including receiving raw image signals from a WDR sensor including a plurality of frames including a first frame including first exposure time pixel data and a second frame including second exposure time pixel data. Statistics for camera control are generated including first statistics for the first pixel data and second statistics for the second pixel data. The first and second pixel data are merged using WDR merge algorithm in a WDR merge block which utilizes the first and second statistics to generate a raw higher bit width single frame image. The single frame image is post-processed in post-processing block using at least a defect pixel correction algorithm, and at least a portion of tone mapping is performed on the single frame image after the post-processing to provide an output toned mapped image.

An image capturing apparatus includes an image sensor and a processor. The image sensor includes an imaging plane that receives an image of a shooting target field through color filters according to two or more wavelength regions and outputs a signal of the image of the shooting target field. The processor is configured to set a larger weight for a wavelength region having a higher image forming performance than for a wavelength region having a lower image forming performance in accordance with a high-resolution direction determined in the image of the shooting target field, generate image data based on the signal output by the image sensor, and detect an object in the generated image data.

A focus detection apparatus comprising: an acquisition unit that acquires, for each color, a correction value for correcting a pair of focus detection signals of respective colors acquired from a color image sensor based on color sensitivity information unique to the color image sensor which includes a plurality of photoelectric conversion portions for each of a plurality of microlenses, and performing photoelectric conversion on light entering via an imaging optical system to output an electric signal; a correction unit that corrects each focus detection signal by using the correction value; a generation unit that processes the pair of corrected focus detection signals of the respective colors, and generates a pair of focus detection signals; and a focus detection unit that detects an evaluation value based on the pair of focus detection signals.

A method for processing measured data of an image sensor. The method includes reading in measured data that have been recorded by light sensors in the surroundings of a reference position on the image sensor. The light sensors are situated around the reference position on the image sensor. Weighting values are read in, each of which is associated with the measured data of the light sensors in the surroundings of a reference position, the weighting values for light sensors situated at an edge area of the image sensor differing from weighting values for light sensors situated in a central area of the image sensor, and/or the weighting values being a function of a position of the light sensors on the image sensor. The method includes linking the measured data of the light sensors to the associated weighting values to obtain image data for the reference position.

A multiscale telescopic imaging system is disclosed. The system includes an objective lens, having a wide field of view, which forms an intermediate image of a scene at a substantially spherical image surface. A plurality of microcameras in a microcamera array relay image portions of the intermediate image onto their respective focal-plane arrays, while simultaneously correcting at least one localized aberration in their respective image portions. The microcameras in the microcamera array are arranged such that the fields of view of adjacent microcameras overlap enabling field points of the intermediate image to be relayed by multiple microcameras. The microcamera array and objective lens are arranged such that light from the scene can reach the objective lens while mitigating deleterious effects such as obscuration and vignetting.

A system and a method for processing images are provided. The method may include one or more of the following operations. An image including a plurality of channels and a plurality of pixels may be obtained, each pixel having a pixel value corresponding to one of the plurality of channels. One of the plurality of pixels may be selected as a pixel of interest, and the corresponding channel of the pixel value of the pixel of interest may be designated as a target channel. A plurality of pixels proximate to the pixel of interest may include at least two first reference pixels. For each first reference pixel, a pseudo pixel value for the target channel of the first reference pixel may be determined. Whether the image is a deteriorated image may be determined at least based on the pixel value of the pixel of interest and the determined pseudo pixel values.

A microscope for computational imaging may include an illumination source configured to illuminate a sample with a plurality of wavelengths, an image sensor, an objective lens to image the sample onto the image sensor, and a processor operatively coupled to the illumination assembly and the image sensor. The processor may be configured to acquire a first image dataset from the sample illuminated using a first set of illumination conditions at a first wavelength. The processor may also be configured to acquire a second image dataset from the sample illuminated using a second set of illumination conditions having a second number of illumination conditions at a second wavelength. The second set of illumination conditions comprises fewer illumination conditions than the first set in order to decrease acquisition time. The processor may be configured to combine the first and second image datasets into a computationally reconstructed image of the sample.

An image quality tuning system includes an image processing system configured to perform a plurality of image processing operations and a terminal device configured to set parameters of the plurality of image processing operations. The image processing system receives a plurality of captured images corresponding to a plurality of reference images and generates a plurality of corrected images by performing a corresponding image processing operation among the plurality of image processing operations on each of the plurality of received captured images. The terminal device determines parameters of the plurality of image processing operations based on the plurality of corrected images and the plurality of reference images and transmits information on the determined parameters to the image processing system.

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.

The present disclosure relates to a solid-state imaging device, a signal processing method therefor, and an electronic apparatus enabling sensitivity correction in which a sensitivity difference between solid-state imaging devices is suppressed.

The solid-state imaging device includes a pixel unit in which one microlens is formed for a plurality of pixels in a manner such that a boundary of the microlens coincides with boundaries of the pixels. The correction circuit corrects a sensitivity difference between the pixels inside the pixel unit based on a correction coefficient. The present disclosure is applicable to, for example, a solid-state imaging device and the like.