Abstract: According to a color imaging element and an imaging device of the present invention, because one or more pixels of first filters corresponding to transparence are disposed within a pixel line of each direction of a first direction to a fourth direction of a color filter array, it is possible to acquire brightness information in a high frequency range with high precision and reduce occurrence of a false color (color moire), thereby obtaining image data with excellent resolution. Further, because one or more pixels of the first filters corresponding to transparence are disposed within the pixel line of each direction of the first direction to the fourth direction, it is possible to realize color filters with excellent optical sensitivity.

Abstract: A single-plate color imaging element, where color filters of the same color are arranged on a predetermined number of vertically and horizontally adjacent photoelectric conversion elements, the color filter array includes a plurality of unit blocks including the color filters arranged on the predetermined number of vertically and horizontally adjacent photoelectric conversion elements, the color filter array includes a basic array pattern including the unit blocks arranged in a square grid shape, one or more first filters are arranged in the horizontal, vertical, upper right, and lower right directions of the color filter array, one or more second filters corresponding to each color of the second color are arranged in the horizontal and vertical directions of the color filter array, and a proportion of the number of pixels of the first color is greater than a proportion of the number of pixels of each color of the second color.

Abstract: According to a color imaging element and an imaging device of the present invention, it is possible to simplify processing in a subsequent stage compared to the case of a random array, improve reproduction precision of de-mosaic processing in a high frequency range, facilitate de-mosaic processing as a result of increase in types of peripheral colors, discern a direction with high correlation between a horizontal direction and a vertical direction, and suppress aliasing upon de-mosaic processing.

Abstract: A color filter array of a color imaging element includes a basic array pattern P of 4×4 pixels in which RGB filters corresponding to red (R), green (G) and blue (B) are arrayed, this basic array pattern P is repeatedly disposed in a horizontal direction and a vertical direction, a G filter is disposed in each pixel line in four directions of horizontality, verticality, oblique upper right and oblique lower right, and R and B filters are disposed in each pixel line in the horizontal direction and vertical direction of the color filter array. Moreover, the color filter array includes consecutive first filters of two or more pixels in four directions of horizontality, verticality, oblique upper right and oblique lower right.

Abstract: The device control section 8 continuously performs a plurality of times of imaging by the imaging element 5. Whenever each of the plurality of times of imaging is terminated, if the terminated imaging is the first time of imaging, the encoder 15 causes the image obtained with the imaging to be displayed on the display section 14, and if the terminated imaging is the second and subsequent imaging, the encoder 15 causes the synthetic image of the image obtained with the second and subsequent imaging and the image obtained all imaging prior to the second and subsequent imaging among the plurality of times of imaging to be displayed on the display section 14.

Abstract: The color imaging element and the imaging device according to the present invention can improve reproduction precision of demosaicing processing in a high frequency region and suppress aliasing. Further, the color imaging element can achieve high resolution by reducing occurrence of color moire (false color). Furthermore, the color imaging element and the imaging device can perform pixel demosaicing processing with high precision. Still furthermore, a basic array pattern including a square pattern and a grating filter line is repeated in a first direction and a second direction, and thus a color filter array can perform signal processing in a subsequent stage according to a repeating pattern of the square pattern and the grating filter line, and can simplify the processing in a subsequent stage more than a conventional random array.

Abstract: An image processing apparatus for processing image data formed by a set of pixel data includes a real space filter processing unit and a color space filter processing unit, wherein the real space filter processing unit calculates a real space weighting coefficient and performs weighted average of pixel data according to filter processing of an edge preservation type; pixel data of at least a target pixel of pixel data used in the color space filter processing unit is pixel data calculated by the real space filter processing unit; and of the pixel data which the color space filter processing unit uses for the weighted average, the pixel data of the target pixel is pixel data calculated by the real space filter processing unit, and the pixel data of a peripheral pixel is pixel data forming the image data before being input to the real space filter processing unit.

Abstract: It is an imaging element in which pixels which are photoelectric conversion elements are placed at respective square lattice positions, in which, when, in a predetermined region where pixels of the imaging element are placed, a plurality of pairs are arranged in a first line which is any one line among lines and a second line which is parallel to the first line, each pair having pair pixels which are first and second phase difference detection pixels placed adjacent to each other to detect a phase difference among the pixels of the imaging element, the pairs in the first line are placed to be spaced apart from each other by at least two pixels, and the pairs in the second line are placed at positions, which correspond to positions where the pair pixels in the first line are spaced apart from each other.

Abstract: An image processing method in accordance with one aspect of the present invention includes: preparing a storage unit storing a color mix ratio, which is each of color mix ratios of peripheral pixels adjacent to an object pixel for mixed color correction in a mosaic image including pixels of a plurality of colors, corresponding to each of combinations of first and second parameters indicating an azimuth direction and a color of each of the peripheral pixels, respectively; acquiring color signals of any object pixel and peripheral pixels thereof; reading out a corresponding color mix ratio from the storage unit based on an azimuth direction and a color of each of the peripheral pixels; and eliminating mixed color components included in the object pixel based on the color signals of the object pixel and the peripheral pixels thereof, and the color mix ratio of the peripheral pixels.

Abstract: A color filter array is configured with a 3×3 basic array pattern repeatedly disposed in a horizontal and a vertical direction. The basic array pattern is configured with a G filter array formed by disposing a G filter in the horizontal direction, and first and the second RGB filter arrays formed by disposing RGB filters in the horizontal direction. The ratio of the pixel number of the G color is made larger than the ratio of the pixel number of each color of RB. The G filter is disposed in each filter line in the horizontal, vertical and oblique directions of the color filter array. The RB filters are each disposed in one filter line in the vertical direction of the basic array pattern, and any of the RB filters is disposed in other filter lines.

Abstract: According to a color imaging element and an imaging device of the present invention, it is possible to simplify processing in a subsequent stage compared to the case of a random array, improve reproduction precision of de-mosaic processing in a high frequency range, facilitate de-mosaic processing as a result of increase in types of peripheral colors, discern a direction with high correlation between a horizontal direction and a vertical direction, and suppress aliasing upon de-mosaic processing.

Abstract: In the present invention, effective thinned reading is performed when using an imaging device provided with a color filter other than a Bayer array.

Abstract: In the color imaging element and the imaging device according to an aspect of the present invention, a basic array pattern is repeatedly placed in a first direction and in a second direction, the basic array pattern includes four or more rectangular patterns each corresponding to 3×2 pixels each composed of a first filter, a color filter array includes therein grating filter lines surrounding the four directions of the rectangular pattern, the color filter array includes therein the first filters each disposed in each line in the first direction, in the second direction, in a third direction, and in a fourth direction, and the basic array pattern includes therein one or more second filters of each color, each disposed in each line in the first direction in the second direction.

Abstract: A color filter array has G filters, R filters, and B filters. A pair of phase difference pixels adjoining in a horizontal direction is provided with one of the G, R, and B filters. In the color filter array, a fundamental array pattern, including the G, R, and B filters, is repeatedly disposed in horizontal and vertical directions. The G filters, which most greatly contributes to obtainment of luminance information, are disposed in every line extending in the horizontal direction, the vertical direction, and slanting directions. Both of the R filters and the B filters are disposed in every line extending in the slanting directions. The number of the G filters is larger than that of the R filters or the B filters.

Abstract: An AF evaluation value is computed with excellent precision.

Abstract: A color imaging element comprising: first group pixels; second group pixels at positions shifted half; and color filters which are arrayed on each of the first and second group pixels, wherein the color filter array includes a basic array pattern in which first filters corresponding to a first color and second filters corresponding to a second color whose contribution rates for acquiring a brightness signal are lower than a contribution rate of the first color are arrayed, and is formed by repeatedly arranging the basic array pattern, one or more of the first filters are arranged in horizontal, vertical, diagonal upper right and diagonal lower right directions, one or more of the second filters are arranged in the basic array pattern, and a ratio of a number of pixels of the first color is greater than a ratio of a number of pixels of each color of the second color.

Abstract: Calculation of GR and GB color ratios in a local area uses a weighted average filter having weighting coefficients where the ratio of total sums of weighting coefficients for G and R pixels is 1:1, and weighted average filter having weighting coefficients where the ratio of total sum of weighting coefficients for G and B pixels is 1:1, respectively, on pixel lines in a horizontal direction and a vertical direction in a kernel. R and B pixel values are then calculated by interpolating the pixel value of a pixel to be processed with the G pixel value at the pixel position to be subjected to a demosaic process and the color ratio.

Abstract: For a mosaic image in a repeated cycle with “I”דJ” (“I” and “J” are integers of 2 or more) pixels, a color mix ratio is stored in a memory unit by being associated with a pixel position in I×J pixels so that a color mix ratio A associated with a pixel position in I×J pixels of an object pixel for mixed color correction is read from the memory unit, and a mixed color component included in the object pixel is removed based on the color mix ratio A and a color signal of the object pixel to calculate a white balance gain based on a color signal of each of pixels in the mosaic image for which the mixed color correction is applied.

Abstract: A single-plate color imaging element where the color filter array includes a basic array pattern with first filters corresponding to a first color and second filters corresponding to a second color with contribution ratios for obtaining luminance signals lower than the first color, the basic array pattern is repeatedly arranged in a diagonal grid shape, one or more first filters are arranged in horizontal, vertical, upper right, and lower right directions of the color filter array, one or more second filters corresponding to each color of the second color are arranged in the upper right and lower right directions of the color filter array in the basic array pattern, and a proportion of the number of pixels of the first color corresponding to the first filters is greater than a proportion of the number of pixels of each color of the second color corresponding to the second filters.

Abstract: According to a color imaging element and an imaging device of the present invention, because one or more pixels of first filters corresponding to transparence are disposed within a pixel line of each direction of a first direction to a fourth direction of a color filter array, it is possible to acquire brightness information in a high frequency range with high precision and reduce occurrence of a false color (color moire), thereby obtaining image data with excellent resolution. Further, because one or more pixels of the first filters corresponding to transparence are disposed within the pixel line of each direction of the first direction to the fourth direction, it is possible to realize color filters with excellent optical sensitivity.