An apparatus includes a processing unit configured to perform signal processing for a signal from a sensor using a correction value that is different for each pixel of the pair of signals, and a calculating unit configured to perform a correlation calculation for the signal output from the processing unit. The processing unit performs a weighted sum for adjacent pixels using the correction value.

An apparatus includes a processing unit configured to perform signal processing for a signal from a sensor using a correction value that is different for each pixel of the pair of signals, and a calculating unit configured to perform a correlation calculation for the signal output from the processing unit. The processing unit performs a weighted sum for adjacent pixels using the correction value.

This video signal processing apparatus includes a signal processing unit that performs tone control on an input video signal having a linear characteristic and a control unit that blends two tone curve characteristics arbitrarily selected from among a plurality of tone curve characteristics prepared in advance and sets the blended tone curve characteristics for the tone control of the signal processing unit.

This video signal processing apparatus includes a signal processing unit that performs tone control on an input video signal having a linear characteristic and a control unit that blends two tone curve characteristics arbitrarily selected from among a plurality of tone curve characteristics prepared in advance and sets the blended tone curve characteristics for the tone control of the signal processing unit.

Adaptive acquisition control includes obtaining a processed image by an image capture apparatus, which includes, a target exposure component that obtains a target exposure value in accordance with target exposure input data, an aggregate gain component that obtains a target aggregate gain value and a remaining gain value in accordance with aggregate gain input data, an auto-exposure compensation component that obtains an auto-exposure compensation tone curve in accordance with auto-exposure compensation input data, a contrast control component that obtains a contrast control tone curve and a contrast control black point value, and a tone control driver that obtains a tone control tone curve and a tone control black point value, and an image signal processor that processes the current input image in accordance with the tone control tone curve and the tone control black point value to produce the processed image.

A method includes obtaining a Bayer input image. The method also includes generating, using at least one processing device of an electronic device, multiple YUV image frames based on the Bayer input image using non-linear scaling, where the YUV image frames are associated with different exposure settings. The method further includes generating, using the at least one processing device of the electronic device, a fused image based on the YUV image frames. In addition, the method includes applying, using the at least one processing device of the electronic device, global tone-mapping to the fused image in order to generate a tone-mapped fused image, where the global tone-mapping is based on a first cubic spline curve.

An image processing apparatus that generates a combined image by performing gamma processing and combination processing for a plurality of images obtained by capturing images of the same image capturing-target scene under different exposure conditions and includes: an acquisition unit configured to acquire adjustment parameters that adjust gamma characteristics applied to the gamma processing in accordance with a dynamic range of the image capturing-target scene; a gamma processing unit configured to perform the gamma processing to which adjustment parameters acquired by the acquisition unit have been applied for the plurality of images; and a combination unit configured to generate the combined image by performing the combination processing for the plurality of images for which the gamma processing has been performed by the gamma processing unit.

An image processing apparatus includes a first composition unit which generates a first HDR image by applying a first gamma to each of a plurality of images different in exposure amount and composing the plurality of images after the application of the first gamma, a determination unit which determines whether one preset image among the plurality of images includes a light region satisfying a preset condition, a generation unit which generates, based on the light region, map data for discriminating the light region, a dark region, and an intermediate region, and a second composition unit which generates a second HDR image by applying a second gamma to one of the plurality of images, and composing, with reference to the map data, an image obtained by applying the second gamma and the first HDR image data.

Techniques are described herein for processing image data. For instance, a technique can include obtaining a first image having a first exposure time and a second image having a second exposure time, the second exposure time greater than the first exposure time; determining at least one of: that one or more pixels of the first image has a pixel value below a first threshold value; or that one or more pixels of the second image has a pixel value above a second threshold value; preventing image processing on the one or more pixels based on the determination; replacing, based on preventing image processing on the one or more pixels, one or more pixel values of the one or more pixels with one or more replacement pixel values; and outputting the first or the second image, the first or the second image including the one or more replacement pixel values.

Techniques are described herein for processing image data. For instance, a technique can include obtaining a first image having a first exposure time and a second image having a second exposure time, the second exposure time greater than the first exposure time; determining at least one of: that one or more pixels of the first image has a pixel value below a first threshold value; or that one or more pixels of the second image has a pixel value above a second threshold value; preventing image processing on the one or more pixels based on the determination; replacing, based on preventing image processing on the one or more pixels, one or more pixel values of the one or more pixels with one or more replacement pixel values; and outputting the first or the second image, the first or the second image including the one or more replacement pixel values.