Patent classifications
H04N23/76
VIDEO SIGNAL PROCESSING APPARATUS, VIDEO SIGNAL PROCESSING METHOD, AND IMAGING APPARATUS
This imaging signal processing apparatus includes: a first video signal processing unit that generates, from a pixel signal obtained by an imaging unit capable of obtaining a pixel signal with a first dynamic range, a luminance reduction video signal with a second dynamic range narrower than the first dynamic range; and a second video signal processing unit that generates, from the pixel signal, an information signal of a luminance change component of a luminance region of the luminance reduction video signal and a gain up signal of a pixel signal of the luminance region and adds the information signal and the gain up signal to the luminance reduction video signal.
Image processing apparatus, image processing method, and electronic apparatus
An image processing apparatus includes a first acquisition unit that acquires a first pixel signal output from a first pixel, a second acquisition unit that acquires a second pixel signal output from a second pixel having a size smaller than that of the first pixel, a temperature detection unit that detects temperature; a composition gain determination unit that determines a composition gain corresponding to the detected temperature, and a composition unit that composes the first pixel signal and the second pixel signal multiplied by the composition gain.
Image capturing apparatus, control method, and storage medium
An image capturing apparatus includes an image sensor configured to change an exposure condition for each of a plurality of exposure areas, each of the exposure areas including a single pixel or a plurality of pixels, and an image processing unit configured to perform steps of digital signal processing on a signal of a captured image includes generating a plurality of coupled areas in which the exposure areas are coupled based on a first threshold of the exposure condition, calculating a development parameter for each of the coupled areas, and applying the development parameter to the image processing unit for each of the exposure areas.
Control apparatus and method, and storage medium
A control apparatus includes a first acquiring unit configured to acquire a hyperfocal length of a lens apparatus that is attachable to, detachable from, and communicable with an image pickup apparatus, using information acquired by communication between the lens apparatus and the image pickup apparatus, and a second acquiring unit configured to acquire a position of a focus lens in the lens apparatus according to the hyperfocal length.
IMAGING APPARATUS, CONTROL METHOD FOR IMAGING APPARATUS, AND STORAGE MEDIUM
A system control unit controls an action regarding imaging by an imaging unit according to an instruction from a user. The system control unit automatically controls the action regarding the imaging by the imaging unit based on a preset condition. The system control unit chronologically records details of the control of the action of the imaging unit according to the instruction from the user as operation information. The system control unit chronologically records details of the automatic control of the action of the imaging unit as change information. The system control unit plays back the chronological details of the control of the action of the imaging unit based on the recorded operation information and change information.
METHOD AND APPARATUS FOR DETERMINING EXPOSURE PARAMETER OF HEAD-MOUNTED DEVICE, AND DEVICE
A method and apparatus for determining an exposure parameter of a head-mounted device, and a device are provided. The method includes: acquiring an average real brightness value of a region of interest of the image of the current frame; determining an average predicted brightness value of a region of interest of an image of a next frame if the average predicted brightness value is smaller than a lower limit of a first preset threshold range, sequentially selecting exposure parameter values equal to or greater than a current exposure parameter value, in a target exposure list to form a target exposure sub-list; and if the average predicted brightness value is greater than or equal to an upper limit of the first preset threshold range, sequentially selecting exposure parameter values equal to or smaller than the current exposure parameter value in the target exposure list to form a target exposure sub-list.
IMAGE PROCESSING DEVICE FOR NOISE REDUCTION USING DUAL CONVERSION GAIN AND OPERATION METHOD THEREOF
Disclosed is a device for noise reduction using dual conversion gain, which includes an image sensor including a pixel array, the pixel array configured to generate a first pixel signal corresponding to a first conversion gain and a second pixel signal corresponding to a second conversion gain from pixels sharing a floating diffusion region and the image sensor configured to generate first image data and second image data based on the first pixel signal and the second pixel signal, and an image signal processor that generates an output image based on the first image data and the second image data. The image signal processor includes a normalization circuit that normalizes the first image data based on a dynamic range of the second image data to generate third image data, and a blending circuit that generates the output image based on the second image data and the third image data.
Systems and methods for exposure control
The present disclosure relates to systems and methods for determining the exposure setting of an imaging device having a set of exposure parameters. A target luma of the imaging device may be determined. A correspondence table may be obtained. The correspondence table may relate to a plurality of reference luma values and a plurality of groups of operation values of the set of exposure parameters, a group of operation values corresponding to a reference luma value. A reference luma value and a group of operation values of the set of exposure parameters may be identified based on the target luma and the correspondence table. An adjustment of at least one exposure parameter of the imaging device may be determined based on the identified group of operation values. The at least one exposure parameter of the imaging device may be adjusted based on the determined adjustment.
IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND PROGRAM
Provided are a device and a method for executing gain calculation processing and gain adjustment processing for matching an output of an imaging element of a multispectral camera with an output of a reference machine. As the gain calculation processing for matching an output of an adjustment camera with an output of a reference camera at the time of manufacturing the multispectral camera, a band-corresponding gain is calculated that matches the output of the adjustment camera with the output of the reference camera, on the basis of: a reference machine band-corresponding pixel value that is a pixel value within a specific band acquired on the basis of an output value of an imaging element of the reference camera; and an adjustment machine band-corresponding pixel value that is a pixel value within a specific band acquired on the basis of an output value of an imaging element of the adjustment camera. Furthermore, at the time of using the camera, output value adjustment processing that matches the output of the imaging element with the output of the reference machine is executed, by acquiring the band-corresponding gain from a memory, and multiplying the output of the imaging element by the acquired band-corresponding gain.
Imaging apparatus, image sensor unit, camera unit, and control method for determining and updating correction data
An imaging apparatus including: an image sensor unit; and a camera unit from which the image sensor unit is detachable, in which the image sensor unit includes at least an image sensor and a first storage unit in which first correction data are stored, the camera unit includes at least a control unit, and the control unit performs an update determination process for determining whether or not the first correction data stored in the first storage unit have been updated.