Skhynix Inc.

Su Ram Cha

Seong Hee Park

Tae Hyun Kim

Woo Young Choi

Ji Hee Han

Dong Ik Kim

Jong Heon Kim

A Ram Kim

Provided herein may be an image processing device and an image processing method. The image processing device may include a motion manager configured to generate movement information of an image sensor based on pixel values of a first frame image received from the image sensor, pixel values of a second frame image received from the image sensor prior to the first frame image, and velocity information of an inertia sensor configured to sense a velocity of the image sensor, a similarity map generator configured to generate a similarity map indicating a weight of a noise removal filter based on the pixel values of the first frame image, and a noise remover configured to remove temporal and spatial noise based on pixel values of the first frame image to which the noise removal filter is applied based on the similarity map and pixel values of the second frame image.

Image processing device and image processing method

Disclosed is an image sensor including a pixel array having a pixel pattern in which first to fourth 2×2 pixel groups are arranged in a clockwise direction, one infrared pixel is arranged in each of two 2×2 pixel groups that are not adjacent to each other, the same green pixels are arranged in a first diagonal direction, and red pixels and blue pixels are arranged in half in a second diagonal direction crossing the first diagonal direction, in a 4×4 unit pixel group.

Image sensor, image processing system, and operating method of the image processing system

An image sensor includes a pixel array in which a plurality of pixels are arranged in a matrix form, each pixel outputting a first pixel datum and a second pixel datum according to a dual conversion gain. The image sensor includes a signal convertor configured to generate first kernel data including first pixel data and second kernel data including second pixel data, which are output from a pixel group including a target pixel and multiple pixels surrounding the target pixel; determine a partial region brightness based on the second pixel data included in the second kernel data; and perform fusion of the first kernel data and the second kernel data based on the partial region brightness.

Apparatus and method for improving image quality in a dual conversion gain image sensor

Disclosed is an image sensing system including a first sub-pixel array having an arrangement of K×K pixels, where 'K' is a natural number greater than 4, wherein the first sub-pixel array includes: first pixels disposed in a first diagonal direction and each having a green filter; second pixels disposed in a second diagonal direction that intersects the first diagonal direction and each having a red filter, and third pixels disposed in the second diagonal direction and each having a blue filter; and fourth pixels each having a white filter and disposed at the other positions except for arrangement positions of the first to third pixels disposed in the first and second diagonal directions, and fifth pixels suitable for measuring depth information, and the fourth pixels and the fifth pixels are disposed in a first pattern.

Image sensing system that measures depth information while generating an optimized color image and monochrome image

Disclosed is an image sensor including a pixel array, wherein the pixel array includes a first sub-pixel array including pixels disposed in a first diagonal direction and each having a green filter, and pixels disposed in a second diagonal direction and each having a yellow filter; a second sub-pixel array including pixels disposed in the first diagonal direction and each having the green filter, and pixels disposed in the second diagonal direction and each having the yellow filter; a third sub-pixel array including pixels disposed in the second diagonal direction and each having a red filter, and pixels disposed in the first diagonal direction and each having a magenta filter; and a fourth sub-pixel array including pixels disposed in the second diagonal direction and each having a blue filter, and pixels disposed in the first diagonal direction and each having a cyan filter.

Image sensor

Disclosed is an image sensing device including a pixel array, wherein the pixel array includes a first sub-pixel array including pixels each having a green filter and disposed in a first diagonal direction, and pixels each having a white filter and disposed in a second diagonal direction, a second sub-pixel array including pixels each having the green filter and disposed in the first diagonal direction, and pixels each having the white filter and disposed in the second diagonal direction, a third sub-pixel array including pixels each having a red filter and disposed in the second diagonal direction, and pixels each having the white filter and disposed in the first diagonal direction, and a fourth sub-pixel array including pixels each having a blue filter and disposed in the second diagonal direction, and pixels each having the white filter and disposed in the first diagonal direction.

Image sensing device

A demosaic operation circuit includes a white pixel value estimation circuit suitable for acquiring an RGB channel average value and a directional gradient value of a white pixel for each direction using source pixel data provided from a pixel array, and estimating a white pixel value based on the RGB channel average value and the directional gradient value of the white pixel; a fine adjustment circuit suitable for finely adjusting an estimated white pixel value by removing noise through a different filter based on weight values which are differently allocated according to a gradient of a center pixel and a neighboring white pixel; a chroma estimation circuit suitable for estimating a chroma by calculating a chroma array based on the source pixel data and an adjusted white pixel value; and a color correction circuit suitable for correcting a color based on a finely adjusted white pixel value and the chroma.

Demosaic operation circuit, image sensing device and operation method of the same

Disclosed are an image sensing device and an operating method thereof, and the image sensing device may include: an image sensor including a plurality of pixels and suitable for generating an image based on incident light; and an image processor suitable for generating a high dynamic range (HDR) image based on the image and two or more pieces of tone mapping information, which are divided according to luminance.

Image sensing device and operating method thereof

A smart binning circuit includes an edge information generator suitable for generating edge information from pixel data outputted from a pixel array; a weight allocator suitable for allocating a weight based on the edge information; a binning component suitable for generating a binning value by performing an edge detection interpolation (EDI) binning on the edge information; a bayer binning component suitable for generating an average value representing pixels that are down-scaled through a 4-sum binning operation; and a combiner suitable for combining the binning value and the average value according to the allocated weight.

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Gyeonggi-do, South Korea

Su Ram Cha