Patent application number | Description | Published |
20120293694 | COLOR IMAGING ELEMENT - A color imaging element including color filters arranged on pixels, wherein the color filter array includes a basic array pattern including first filters corresponding to a first color that most contributes to obtaining luminance signals and second filters corresponding to two or more second colors other than the first color, the basic array pattern repeatedly arranged in the horizontal and vertical directions, one or more first filters are arranged in each line in horizontal, vertical, and oblique directions of the color filter array, one or more second filters are arranged in each line in the horizontal and vertical 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 proportions of the numbers of pixels of each color of the second colors corresponding to the second filters. | 11-22-2012 |
20120293695 | COLOR IMAGING APPARATUS - A color imaging apparatus comprising: a single-plate color imaging element including color filters arranged on pixels arranged in horizontal and vertical directions where all colors are arranged in each line in the directions; weighted average filters with filter coefficients set in a local area extracted from a mosaic image acquired from the color imaging element corresponding to the weighted average filters so that proportions of sums of the filter coefficients of each color in the lines in the horizontal and vertical directions are equal; a weighted average calculation unit that calculates weighted average values of each color; a demosaicking processing unit that calculates a pixel value of another color at a pixel position of a target pixel of demosaicking processing and that interpolates a pixel value of the target pixel based on a color ratio or a color difference of the calculated weighted average values to calculate the pixel value. | 11-22-2012 |
20120293696 | COLOR IMAGING APPARATUS - A color imaging apparatus comprising: a color imaging element comprising a plurality of pixels and color filters of a color filter array arranged on the plurality of pixels, the color filter array including first filters corresponding to a first color that most contributes to obtaining luminance signals and second filters corresponding to two or more second colors, and the first filters including two or more sections adjacent each other in horizontal, vertical, and oblique directions; a direction determination unit acquiring pixel values of pixels of the two or more sections of the first filters near a target pixel of demosaicking processing and determining a correlation direction of luminance; a demosaicking processing unit that calculates a pixel value of another color at a pixel position of the target pixel and that uses one or more pixels of another color in the correlation direction to calculate the pixel value. | 11-22-2012 |
20130048833 | COLOR IMAGING ELEMENT - A single-plate color imaging element including color filters in a predetermined color filter array arranged on a plurality of pixels formed by photoelectric conversion elements arranged in horizontal and vertical directions, wherein in the color filter array, the first filters are vertically and horizontally arranged across a filter at a center of a 3×3 pixel group, and the 3×3 pixel group is repeatedly arranged in the horizontal and vertical directions. | 02-28-2013 |
20130088623 | IMAGING APPARATUS AND METHOD OF CALCULATING WHITE BALANCE GAIN - A WB gain calculation unit | 04-11-2013 |
20130194457 | IMAGING APPARATUS AND IMAGING METHOD - The device control section | 08-01-2013 |
20130240715 | COLOR IMAGING ELEMENT - A color imaging element including color filters arranged on pixels, wherein the color filter array includes a basic array pattern including first filters corresponding to a first color that most contributes to obtaining luminance signals and second filters corresponding to two or more second colors other than the first color, the basic array pattern repeatedly arranged in the horizontal and vertical directions, one or more first filters are arranged in each line in horizontal, vertical, and oblique directions of the color filter array, one or more second filters are arranged in each line in the horizontal and vertical 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 proportions of the numbers of pixels of each color of the second colors corresponding to the second filters. | 09-19-2013 |
20130278730 | SINGLE-EYE STEREOSCOPIC IMAGING DEVICE, CORRECTION METHOD THEREOF, AND RECORDING MEDIUM THEREOF - Provided is a technique capable of correcting unique shading characteristics of a single-eye stereoscopic imaging device. A focal length is acquired. A one-dimensional correction table corresponding to the focal length is acquired from a plurality of stored one-dimensional correction tables. Shading correction is performed using the acquired one-dimensional correction table. An arbitrary pixel is selected from main pixels, a correction value corresponding to the position of the selected pixel is read from the acquired one-dimensional correction table for the main pixel, and shading correction is performed for the basis of the correction value and the value of the arbitrary pixel. This process is performed for all of the main pixels and the sub-pixels. A two-dimensional SD correction unit performs normal shading correction for the data subjected to the shading correction using a two-dimensional correction table. | 10-24-2013 |
20130286261 | IMAGE SENSING APPARATUS AND METHOD OF CONTROLLING OPERATION OF SAME - At least one green filter G having a filter characteristic for transmitting a green light component is formed in all of horizontal, vertical and diagonal directions in a block consisting of six optoelectronic transducers in each of the horizontal and vertical directions. Further, at least one blue filter B and red filter R having filter characteristics for transmitting a blue light component and a red light component are formed in the horizontal and vertical directions. Even an image obtained after ½ subsampling along each of the horizontal and vertical directions will contain pixels having a green component in all of the horizontal, vertical and diagonal directions in blocks of 6×6 pixels. The precision of reproducibility in interpolation processing is thus improved. | 10-31-2013 |
20130286262 | COLOR IMAGING DEVICE - A color filter array includes a basic array pattern P | 10-31-2013 |
20130286263 | COLOR IMAGING DEVICE - A color filter array includes a basic array pattern constituted by a square array pattern that corresponds to 5×5 pixels, and the basic array pattern is repeatedly arranged in horizontal and vertical directions. In the basic array pattern, the G filters that are brightness system pixels are arranged on at least the both diagonal lines. As a result, the G filter is arranged in each line of horizontal, vertical, and diagonal directions of the color filter array, and the R and B filters are arranged in each line of the horizontal and vertical directions of the color filter array. In addition, a ratio of the number of G pixels that help most to obtain a brightness signal of the basic array pattern is greater than each ratio of the number of R pixels and the number of B pixels that correspond to the other colors, thereby executing demosaic processing effectively. | 10-31-2013 |
20130293750 | IMAGE SENSING APPARATUS, METHOD OF CONTROLLING OPERATION OF SAME AND IMAGE SENSING SYSTEM - When a central pixel having a red component is generated by interpolation, mixing is performed using red-component pixels lying along the diagonal directions thereof. When a central pixel having a green component is generated by interpolation, mixing is performed using green-component pixels located above, below and to the left and right thereof. When a central pixel having a blue component is generated by interpolation, no mixing processing is executed. A reduction in image size is performed at the same time as pixel interpolation. | 11-07-2013 |
20130308022 | MOSAIC IMAGE PROCESSING METHOD - A color imaging apparatus comprising: a single-plate color imaging element including color filters arranged on pixels arranged in horizontal and vertical directions where all colors are arranged in each line in the directions; weighted average filters with filter coefficients set in a local area extracted from a mosaic image acquired from the color imaging element corresponding to the weighted average filters so that proportions of sums of the filter coefficients of each color in the lines in the horizontal and vertical directions are equal; a weighted average calculation unit that calculates weighted average values of each color; a demosaicking processing unit that calculates a pixel value of another color at a pixel position of a target pixel of demosaicking processing and that interpolates a pixel value of the target pixel based on a color ratio or a color difference of the calculated weighted average values to calculate the pixel value. | 11-21-2013 |
20130335603 | COLOR IMAGING DEVICE - A color filter array of a color imaging device is formed by repeatedly arranging a basic array pattern in which RGB filters are arrayed in an array pattern of 8×12 pixels, in a horizontal direction and a vertical direction. The basic array pattern is arranged in a matrix manner in the horizontal direction and/or the vertical direction and includes A array to D array having an array pattern of 4×4 pixels. In each of arrays, G filters are arranged in a checkered pattern and the arrangements of G filters have a mirror image relationship between arrays that are adjacent to each other. | 12-19-2013 |
20140022422 | COLOR IMAGING ELEMENT, IMAGING DEVICE, AND STORAGE MEDIUM STORING A CONTROL PROGRAM FOR IMAGING DEVICE - Interpolation precision of phase difference detection pixels is raised. An image pickup device includes: a color filter disposed with a repeating basic array pattern configured by 3×3 pixel square arrays of a first array pattern and a second array pattern disposed symmetrically about a point; a first phase difference detection pixel that is placed at a position of a pixel corresponding to 1 corner portion out of the 4 corner portions of at least one array pattern in 1 pair of the first array pattern and the second array pattern out of 2 pairs of the first array pattern and the second array pattern configuring the basic array pattern; and a second phase difference detection pixel that is placed at a position of a pixel corresponding to 1 corner portion out of the 4 corner portions in the array pattern, out of the first array pattern. | 01-23-2014 |
20140022614 | COLOR IMAGING ELEMENT, IMAGING DEVICE, AND STORAGE MEDIUM STORING A CONTROL PROGRAM FOR IMAGING DEVICE - The precision of phase difference AF control is raised. An image pickup device includes a color filter that is provided with repeatedly disposed basic array patterns configured with a first array pattern and a second array pattern disposed symmetrically about a point, wherein the first array pattern includes a first filter placed over 2×2 pixels at the top left and a pixel at the bottom right of a 3×3 square array, a second filter placed over a right end pixel of a vertical direction center line of the square array and over a left end pixel a lower edge line, and a third filter placed over a pixel at the right end of the vertical direction upper edge line of the square array and over a center pixel of the lower edge line, and the second array pattern has the same placement of the first filter as that in the first array pattern and has a placement of the second filter and a placement of the third filter swapped over therefrom; and phase difference detection pixels that are placed at positions corresponding to 2 pixels that are adjacent in the horizontal direction out of the 2×2 pixels of at least one side of the upper side or lower side disposed first and second array patterns out of the 2 first array patterns and the 2 second array patterns configuring the basic array pattern. | 01-23-2014 |
20140043508 | COLOR IMAGING ELEMENT, IMAGING DEVICE, AND STORAGE MEDIUM STORING AN IMAGING PROGRAM - An image pickup device includes: a color filter having basic array patterns with first and second array patterns disposed symmetrically, wherein the first array pattern has a first filter at the 4 corner and center pixels of a 3×3 pixel square array, a second filter in a line at the horizontal direction center of the square array, and a third filter placed in a line at the vertical direction center of the square array, and the second array pattern has the same placement of the first filter as the first array pattern and has placement of the second filter and placement of the third filter swapped to that of the first array pattern; and phase difference detection pixels placed on pixels corresponding to positions of centers of at least 1 pair of patterns out of 2 pairs of the first array pattern and the second array pattern. | 02-13-2014 |
20140139709 | IMAGE PROCESSING DEVICE AND METHOD, RECORDING MEDIUM, AND IMAGING DEVICE - A method for image processing according to one aspect of the presently disclosed subject matter includes: a step of acquiring an image taken by an imaging device including an image sensor having pixel configuration with repeating cycles of M×N (M, N: integers of 2 or more) pixels; (a) a step of setting a target pixel in the acquired image and extracting K×L (K, L: integers of M05-22-2014 | |
20140285629 | SOLID-STATE IMAGING DEVICE - 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. | 09-25-2014 |
20140307121 | IMAGE PROCESSING DEVICE AND IMAGING DEVICE - 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. | 10-16-2014 |
20140307122 | IMAGE PROCESSING DEVICE AND METHOD, AND IMAGING DEVICE - 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. | 10-16-2014 |
20140307131 | COLOR IMAGING ELEMENT - A single-plate color imaging element, where a basic array pattern in which the color filters are arrayed according to an array pattern corresponding to M×N (M and N are even numbers equal to or more than 6) pixels in horizontal and vertical directions is formed, the basic array pattern includes two each of two types of a first sub array and a second sub array in which the color filters are arrayed according to an array pattern corresponding to (M/2)×(N/2) pixels, the color filters include first filters corresponding to a first color and second filters corresponding to a second color whose contribution rates are lower than a contribution rate of the first color, a ratio of a number of pixels of the first color being greater than a ratio of a number of pixels of each color of the second color. | 10-16-2014 |
20140307132 | COLOR IMAGING ELEMENT - A single-plate color imaging element where an array of the color filters includes a basic array pattern of M×N provided with first filters corresponding to a first color with one or more colors and second filters corresponding to a second color with two or more colors with contribution ratios for obtaining luminance signals lower than the first color, the first filters are arranged in a check pattern shape in the basic array pattern, one or more second filters corresponding to each color of the second color are arranged in each line in the horizontal and vertical directions of the array of the color filters 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. | 10-16-2014 |
20140307133 | COLOR IMAGING ELEMENT - 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. | 10-16-2014 |
20140307135 | COLOR IMAGING ELEMENT - A single-plate color imaging element configured by disposing color filters on pixels formed with photoelectric conversion elements, where the first filters are arranged along at least a diagonal line of the sub arrays, one or more of the second filters corresponding to each color of the second color are arranged in the horizontal and vertical directions of the array of the color filters in a basic array pattern, the basic array pattern being repeatedly arranged in the horizontal direction and the vertical direction in the array of the color filters, and corresponding to arbitrary 2N×2N pixels included in the array of the color filters, and the M is set to such a value that one or more of the first filters are arranged in horizontal, vertical, diagonal upper right and diagonal lower right directions of the array of the color filters. | 10-16-2014 |
20140307136 | IMAGING DEVICE, METHOD FOR CONTROLLING IMAGING DEVICE, AND STORAGE MEDIUM STORING A CONTROL PROGRAM - An AF evaluation value is computed with excellent precision. | 10-16-2014 |
20140307137 | IMAGING DEVICE, METHOD FOR CONTROLLING IMAGING DEVICE, AND STORAGE MEDIUM STORING A CONTROL PROGRAM - Efficient thinned reading is performed in a case in which an image pickup device equipped with a color filter having an array different from a Bayer array is employed. | 10-16-2014 |
20140307138 | IMAGING DEVICE, METHOD FOR CONTROLLING IMAGING DEVICE, AND STORAGE MEDIUM STORING A CONTROL PROGRAM - In the present invention, effective thinned reading is performed when using an imaging device provided with a color filter other than a Bayer array. This imaging device ( | 10-16-2014 |
20140307139 | IMAGING ELEMENT AND IMAGING APPARATUS - 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. | 10-16-2014 |
20140307140 | COLOR IMAGING APPARATUS - 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. | 10-16-2014 |
20140307141 | COLOR IMAGING ELEMENT AND IMAGING APPARATUS - 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. | 10-16-2014 |
20140313368 | IMAGE PROCESSING DEVICE, METHOD, RECORDING MEDIUM AND IMAGING DEVICE - An image processing method according to an aspect of the present invention includes acquiring a mosaic image composed of pixels of a first color that contributes most to acquisition of a luminance signal among three colors for pixels, and pixels of second colors other than the first color, a first color image corresponding to pixels of the first color and a second color image corresponding to pixels of the second colors having respective different frequency ranges that are reproducible; extracting a region containing a spatial frequency at which the second color image is not reproducible while the first color image is reproducible, in an entire image area corresponding to the mosaic image; and reducing a chroma of an image corresponding to that region in an image acquired by demosaic processing on the mosaic image. | 10-23-2014 |
20140313380 | COLOR IMAGING ELEMENT AND IMAGING APPARATUS - A color imaging element, includes a color filter array, in which the color filter array includes an array pattern of a 3×3 pixel group in which first filters corresponding to a green color and second filters corresponding to red and blue colors are arrayed, and the first filters are placed at a center and 4 corners in the 3×3 pixel group, and the array pattern is repeatedly placed in horizontal and vertical directions, and in a pixel group within a predetermined area of the color imaging element, phase difference detection pixels for acquiring phase difference information are placed in entire components of one direction among components in the horizontal direction and components in the vertical direction in the pixel group. | 10-23-2014 |
20140320710 | IMAGING DEVICE, METHOD FOR CONTROLLING IMAGING DEVICE, AND STORAGE MEDIUM STORING A CONTROL PROGRAM - An imaging apparatus includes: an image pickup device ( | 10-30-2014 |
20140327797 | IMAGING DEVICE, METHOD FOR CONTROLLING IMAGING DEVICE, AND STORAGE MEDIUM STORING A CONTROL PROGRAM - A large difference in exposure timing is prevented from arising in cases in which plural pixels have a common amplifier, even when image data is read by thinning | 11-06-2014 |
20150029367 | COLOR IMAGING APPARATUS - A color imaging apparatus comprising: a color imaging element comprising a plurality of pixels and color filters of a color filter array arranged on the plurality of pixels, the color filter array including first filters corresponding to a first color that most contributes to obtaining luminance signals and second filters corresponding to two or more second colors, and the first filters including two or more sections adjacent each other in horizontal, vertical, and oblique directions; a direction determination unit acquiring pixel values of pixels of the two or more sections of the first filters near a target pixel of demosaicking processing and determining a correlation direction of luminance; a demosaicking processing unit that calculates a pixel value of another color at a pixel position of the target pixel and that uses one or more pixels of another color in the correlation direction to calculate the pixel value. | 01-29-2015 |