Abstract: According to the embodiments, there is provided an image processing apparatus including: an acquisition section configured to acquire 3×3 pixel block data to have one red pixel at a center; an estimation section configured to compute blue value differences between blue values of diagonal pairs of blue pixels in the block data, and to estimate a direction of a contrast boundary based on the blue value differences; and a processing section configured to compute a computed blue value based on the blue values of the four blue pixels within the block data according to the estimated direction of the contrast boundary, to compute a computed green value based on green values of two green pixels within the block data, and to output a color image pixel to have a red value of the red pixel and the computed blue and green values.

Abstract: A color image sensor includes a pixel array including CFA overlaying an array of photo-sensors for acquiring color image data. The CFA includes first color filter elements of a first color overlaying a first group of the photo-sensors and second color filter elements of a second color overlaying a second group of the photo-sensors. The first group of photo-sensors generate first color signals of a first color channel and the second group of photo-sensors generate second color signals of a second color channel. The color image sensor further includes a color signal combiner circuit (“CSCC”) coupled to receive the first and second color signals output from the pixel array. The CSCC includes a combiner coupled to combine the first and second colors signals to generate third color signals of a third color channel. An output port is coupled to the CSCC to output the color image data.

Abstract: A color image sensor includes a pixel array including a CFA overlaying an array of photo-sensors for acquiring a color image. The CFA includes first color filter elements of a first color overlaying a first group of the photo-sensors, second color filter elements of a second color overlaying a second group of the photo-sensors, and a plurality of filter stacks overlaying a third group of the photo-sensors. The first group generates first color signals of a first color channel and the second group generates second color signals of a second color channel. Each of the filter stacks includes a first stacked filter of the first color and a second stacked filter of the second color. A sensitivity of the filter stacks equals a product of sensitivities of the first and the second stacked filters and the filter stacks generate a third color channel.

Abstract: An image sensing apparatus including: an image sensor including a plurality of focus detection pixel pairs that perform photoelectric conversion on each pair of light beams that have passed through different regions of a photographing lens and output an image signal pair; a flash memory that stores shift information on relative shift between an optical axis of the photographing lens and a central axis of the focus detection pixel pairs; a correction unit that corrects a signal level of the image signal pair based on the shift information and exit pupil information of the photographing lens so as to compensate for an unbalanced amount of light that enters each of the focus detection pixel pairs; and a focus detection unit that detects a focus of the photographing lens using the image signal pair corrected by the correction unit.

Abstract: The present invention relates to a driving method of a solid-state imaging device including: driving the pixel stacked with the red filter and the pixel stacked with the blue filter which are presented on one line for every four lines of one-side pixel lines of the pixel line extending toward right-upwardly inclined direction and the pixel line extending toward left-upwardly inclined direction, and the pixel stacked with the green filter which is most adjacent to pixel stacked with the red filter and the pixel stacked with the blue filter as a low-sensitivity pixel, and driving the rest of the pixels as a high-sensitivity pixel.

Abstract: An image processing apparatus which performs recovery processing of correcting a degradation in image due to an aberration in an optical imaging system, with respect to image data of a plurality of colors, comprising: a separation unit configured to separate image data into image data of the respective colors, and further separate image data of a color whose spatial frequency characteristic is higher than that of another color due to an arrangement of color filters of the plurality of colors into a plurality of image data of same color so as to have the same spatial frequency characteristic as that of the other color; a plurality of image processing units configured to perform recovery processing by filter processing for each of the separated image data; and an interpolation processing unit configured to perform color interpolation processing of each pixel for the image data having undergone the recovery processing.

Abstract: An imaging apparatus includes a half mirror that splits light from a subject having passed through a photographic optical system into transmitted light and reflected light, a first light receiving sensor that receives the transmitted light, the first light receiving sensor having a spectral sensitivity characteristic with a sensitivity peak at a specific wavelength of light, and a second light receiving sensor that receives the reflected light. The wavelength of a transmission peak in the spectral transmission characteristic of the half mirror matches the wavelength of the sensitivity peak of the first light receiving sensor.

Abstract: Light-splitting elements are arranged in at least two columns and two rows to form two pairs 1a, 1b and 1c, 1d. Each element splits incident light into light rays and makes them fall on a portion of a photosensing section right under itself and an adjacent photosensitive cell. The element 1a splits the incident light so that a primary color ray C1 and its complementary color ray C1? enter an adjacent cell 2b and an underlying cell 2a, respectively. The element 1b makes a primary color ray C2 and its complementary color ray C2? enter an underlying cell 2a and an adjacent cell 2a, respectively. The element 1c does the same as the element 1b. And the element 1d makes a primary color ray C3 and its complementary color ray C3? enter an adjacent cell 2c and an underlying cell 2d, respectively. These photosensitive cells 2 perform photoelectric conversion, thereby outputting an electrical signal representing the intensity of the incident light.

Abstract: An imaging element includes: a plurality of color filters arranged in a Bayer array; photoelectric conversion elements provided for the respective color filters; a signal adder circuit which carries out additions in each of the unit grids, by (i) adding up signals outputted from two photoelectric conversion elements corresponding to different colors of two color filters out of four color filters, and (ii) adding up signals outputted from two photoelectric conversion elements corresponding to remaining two color filters; and an A/D converter. The imaging element outputs: (i) a first digital image signal where signals of one color out of Ye (yellow) and Cy (cyan), and signals of G, are alternately placed; and (ii) a second digital image signal where signals of an other color out of Ye and Cy, which is different from the one color, and signals of Mg (magenta), are alternately placed.

Abstract: A solid-state imaging device includes a plurality of pairs of a first photoelectric conversion element and a second photoelectric conversion element which have different spectral sensitivity characteristics. A wavelength range where the first photoelectric conversion element of each pair mainly has a spectral sensitivity and a wavelength range where the second photoelectric conversion element of each pair mainly has a spectral sensitivity respectively fall within a wavelength ranges of specific colors of visible light. The plurality of pairs include a plurality of types of pairs having different specific colors of visible light. The half width in the spectral sensitivity characteristic of the first photoelectric conversion element of the each pair is wider than a half width in the spectral sensitivity characteristic of the second photoelectric conversion element of the each corresponding pair.

Abstract: A solid-state imaging device has: an imaging region in which a plurality of pixels each having a photoelectric conversion element are arranged, and a color filter. The color filter includes: filter components of a first color (2G), filter components of a second color (2R) formed by self-alignment and each being surrounded by the filter components of the first color (2G), and filter components of a third color (2B) formed by self-alignment and each being surrounded by the filter components of the first color (2G).

Abstract: Embodiments are disclosed of an apparatus comprising a color filter arrangement including a set of color filters. The set of color filters includes a pair of first color filters, each having first and second hard mask layers formed thereon, a second color filter having the first hard mask layer formed thereon, and a third color filter having no hard mask layer formed thereon. Other embodiments are disclosed and claimed.

Abstract: A solid-state imaging device includes: a light incident side; a circuit formation surface being opposite to the light incident side; and an inorganic photoelectric conversion unit having a pn junction and an organic photoelectric conversion unit including an organic photoelectric conversion layer, which are laminated in the same pixel in a depth direction from the light incident side and on which light is incident without passing through a color filter. Signals of the inorganic photoelectric conversion unit and the organic photoelectric conversion unit are read on the circuit formation surface.

Abstract: A method for reconstructing a color image from a sensor which comprises a plurality of pixels arranged in a matrix of rows and columns is provided. The sensor is provided with a color filter array such that each pixel corresponds to one of three basic colors. The three basic colors are provided on the sensor in a predetermined pattern. The sensor outputs a detected value for each of the plurality of pixels. The method comprises the steps: for each of the plurality of pixels: accepting a detected value obtained for the corresponding one of the three basic colors and, for each of the respective two other basic colors, calculating a vertical interpolation value and a horizontal interpolation value and selecting either the vertical interpolation value or the horizontal interpolation value; outputting the accepted detected value and the selected interpolation values.

Abstract: An apparatus and method for demosaicing colors in an image sensor can accurately locate edge directionality by detecting a successive 1-line edge precisely. The embodiments may include an image sensor containing information on a color signal detected from each pixel, a first line memory receiving and storing output data from the image sensor, a missing green information extractor extracting missing green pixel information from the data of the first line memory, a delayer receiving the data of the first line memory, the delayer delaying the received data for a prescribed duration, the delayer outputting the delayed data, a second line memory temporarily storing the data outputted from the missing green information extractor and the data provided via the delayer, and a missing red/blue information outputter extracting missing red/blue information from the data of the second line memory.

Abstract: A solid-state image capturing device according to the present invention includes: pixel units arranged in rows and columns for outputting pixel signals corresponding to the amount of received light; and a first and a second vertical signal lines which are provided in each column of the pixel units and transmit the pixel signals. The pixel units in each of the columns are connected to the first and second vertical signal lines such that plural pixel signals of the same color are distributed among the plural vertical signal lines. The pixel signals of the same color in each of the columns may be evenly distributed among the vertical signal lines.

Abstract: There is provided a method for performing digital processing on an image signal output from CCD image sensors with a CMYG color filter array, the method including converting a digital CMYG signal of 10 bits each into a first YCbCr signal of 10 bits each, by using color interpolation, converting the first YCbCr signal of 10 bits each into an RGB signal of 8 bits each by using interpolation, performing color correction on the RGB signal of 8 bits each and converting a color-corrected RGB signal of 8 bits each into a second YCbCr signal of 8 bits each in a format which complies with the ITU-601 format, encoding the second YCbCr signal of 8 bits each and converting an encoded second YCbr signal of 8 bits each into an analog video signal, and adjusting automatic exposure and automatic white balance, using the RGB signal of 8 bits each and the second YCbCr signal of 8 bits each.

Abstract: A video processing system may include a video input and a video output for outputting manipulated video images. The system may have a video processing chain connecting the video input to the video output. The chain may include a series connection of two or more video processing components. The components may each include a component input for receiving video images and a component output for outputting processed video images. A control input may be present for controlling the video processing component to be in an enabled or a disabled state. The video processing component may be arranged to obtain in the enabled state the processed video images by performing a respective processing operation on the received video images; and to obtain in the disabled state the processed video images by forwarding the received video images to the component output without performing the processing operation.

Abstract: A plurality of photoelectric conversion elements including a first photoelectric conversion element, a second photoelectric conversion element, and a third photoelectric conversion element, are arranged in a photoelectric conversion apparatus of the present invention. Provided, between the first photoelectric conversion element and the second photoelectric conversion element, is a first semiconductor region of a first conductivity type and of a first width in which a signal charge is a minor charier. And, provided, between the first photoelectric conversion element and the third photoelectric conversion element, is a second semiconductor region of the first conductivity type in a higher impurity concentration and of a second width narrower than the first width at a position deeper in a semiconductor substrate rather than a depth of the first semiconductor region.

Abstract: Color filter arrays or mosaics are provided for imaging a scene with diffraction limited optics. A distribution of color types in a color filter array is biased toward smaller wavelengths to avoid or reduce loss of spatial resolution information at higher wavelengths due to a larger extent of diffraction at the higher wavelengths. Demosaicing methods for reconstructing a partial or full color image from raw image data involve applying correction factors to account for diffraction. The correction factors are based on pixel size and/or a measure of the extent of diffraction (e.g., an Airy disk diameter) for each wavelength in the color filter array.

Abstract: A pixel array comprises a plurality of photo-sensitive elements arranged in rows and columns and readout circuitry for reading a value of a photo-sensitive element. Shared readout circuitry is provided for a pair of adjacent photo-sensitive elements. Adjacent instances of the shared readout circuitry are staggered with respect to one another. For a layout having shared readout circuitry for a pair of photo-sensitive elements, adjacent instances of the shared readout circuitry are offset by a horizontal distance of one column and a vertical distance of one row of the array. The shared readout circuitry can serve a pair of adjacent photo-sensitive elements in a row or column of the array, or a pair of photo-sensitive elements which are diagonally adjacent in the array. An improved yield and symmetry results from staggering instances of the shared readout circuitry.

Abstract: Techniques are provided to encode and decode image data comprising a tone mapped (TM) image with HDR reconstruction data in the form of luminance ratios and color residual values. In an example embodiment, luminance ratio values and residual values in color channels of a color space are generated on an individual pixel basis based on a high dynamic range (HDR) image and a derivative tone-mapped (TM) image that comprises one or more color alterations that would not be recoverable from the TM image with a luminance ratio image. The TM image with HDR reconstruction data derived from the luminance ratio values and the color-channel residual values may be outputted in an image file to a downstream device, for example, for decoding, rendering, and/or storing. The image file may be decoded to generate a restored HDR image free of the color alterations.

Abstract: An imaging device including an electronic shutter and a pixel array with color pixels with different characteristics of spectral sensitivity arranged. The pixel array part has at least one clear pixel, the plurality of color pixels including (i) a first color filter pixel having a peak of spectral sensitivity characteristics for red, (ii) a second color filter pixel having a peak for blue, and (iii) a third color filter pixel having a peak for green. The clear pixel has a high transmittance arranged in an oblique pixel array system at a given position of a given row and a given column with respect to the first color filter pixel, the second color filter pixel, and the third color filter pixel. An electronic shutter is separately driven for the at least one clear pixel and for the plurality of color filter pixels.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A color pixel array includes a plurality of micropixels. Each micropixel includes a photosensitive element and a color filter optically aligned with the photosensitive element to filter incident light prior to reaching the photosensitive element. The micropixels are organized into a repeating pattern of triangular macropixels each having a triangular shape within the color pixel array.

Abstract: A mirror 1a transmits a cyan (Cy) ray and reflects an R ray, and a mirror 1d transmits a yellow (Ye) ray and reflects a B ray. The mirrors 1a and 1d are arranged inside a light-transmitting member 3 and are also tilted so that the light reflected from each of them is further reflected from the interface between the light-transmitting member 3 and the air and then incident on an adjacent photosensitive cell. Photosensitive cells 2a and 2d receive the light rays that have been transmitted through the mirrors 1a and 1d, respectively. No mirrors are arranged over photosensitive cells 2b and 2c. The photosensitive cell 2b receives directly incident light and the light ray reflected from the mirror 1a. The photosensitive cell 2c receives the directly incident light and the light ray reflected from the mirror 1d. Color information is obtained by making computations on the output signals of the respective photosensitive cells.

Abstract: A method for automatically detecting and adjusting grayscale/white balance of a display comprises the steps of: detecting a chromaticity coordinate and a brightness of a present white color of the display by a detector; selecting a chromaticity coordinate of three primary colors of red, green, and blue in a known chromaticity space for automatically calculating a present mixing ratio of the three primary colors of red, green, and blue of the present white color of the display according to Grassman's Law of color mixture in colormetry; calculating a desired mixing ratio of three primary colors of red, green, and blue of an ideal white color under a predetermined color temperature; and comparing the present mixing ratio with the desired mixing ratio to obtain a proportion therebetween which is used as a set of gain values of the three primary colors of red, green of the display.

Abstract: An image generating apparatus including a filtering unit to filter a plurality of light signals including a first filter region and a second filter region. The first filter region may allow a complementary color wavelength band of an incident light signal to pass through and the second filter region may allow a whole wavelength band of the incident light signal to pass through. At least one of the first filter region and the second filter region includes two sub-regions configured to pass filtered light signals with two different sensitivities. In addition, an image sensing unit may sense at least one of the filtered light signals of different sensitivities in the complementary color wavelength band and the filtered light signals of different sensitivities in the whole wavelength band from the filtering unit and an image processing unit may generate an image based on the sensed light signals.

Abstract: An imaging module includes a matrix of detector elements formed on a single semiconductor substrate and configured to output electrical signals in response to optical radiation that is incident on the detector elements. A filter layer is disposed over the detector elements and includes multiple filter zones overlying different, respective, convex regions of the matrix and having different, respective passbands.

Abstract: Techniques are provided to encode and decode image data comprising a tone mapped (TM) image with HDR reconstruction data in the form of luminance ratios and color residual values. In an example embodiment, luminance ratio values and residual values in color channels of a color space are generated on an individual pixel basis based on a high dynamic range (HDR) image and a derivative tone-mapped (TM) image that comprises one or more color alterations that would not be recoverable from the TM image with a luminance ratio image. The TM image with HDR reconstruction data derived from the luminance ratio values and the color-channel residual values may be outputted in an image file to a downstream device, for example, for decoding, rendering, and/or storing. The image file may be decoded to generate a restored HDR image free of the color alterations.

Abstract: An image processing device and an image processing method capable of generating a moving image having a high resolution and a high frame rate are provided by suppressing the reduction in the amount of incident light on each camera.

Abstract: An integrated circuit may have rows and columns of imaging pixel arrays. Row driver circuitry and column readout circuitry may be shared between the imaging pixel arrays. Control circuit blocks may bypass inactive pixel arrays and may shift signals between different signal paths on the integrated circuit. The control circuit blocks may include synchronizing circuitry for deskewing control signals and buffer circuitry for regenerating weak signals as they are distributed across the integrated circuit. An array of lenses may be associated with the integrated circuit. The spacing between imaging pixel arrays may differ at different parts of the integrated circuit. Images from multiple image sensor pixel arrays may be combined to form a single digital image. Image sensors may be provided with unique lenses, different color responses, different image pixels, different image pixel patterns, and other differences. Reference pixels may be interposed in the gaps between image sensor arrays.

Abstract: An imaging system may include an array of lenses, each of which is aligned over a respective one of a plurality of imaging pixels. The array of lenses may be formed in two layers. The first layer may include a first set of non-adjacent lenses and centering structures between the first lenses. The centering structures may be aligned with the first set of lenses as part of a mask design with a high level of accuracy. The second layer may include a second set of lenses, each of which is formed on a respective one of the centering structures. Forming the second set of lenses may include a reflow process in which surface tension forces center the second set of lenses on their respective centering structures, thereby aligning the second set of lenses with the first set of lenses with a high level of accuracy.

Abstract: An image sensor has a plurality of pixels in a pixel array. Each pixel includes a photoelectric conversion unit below an insulating layer and a light guide to transmit light to the photoelectric conversion unit. Across five or more pixels arrayed in a direction, the light guides have a spacing between them that varies non-monotonically across the five or more pixels. A width of the light guide and/or a horizontal pitch between consecutive light guides may vary non-monotonically across same. A light guide of a pixel that detects light of shorter wavelengths only may be narrower than a light guide of another pixel that detects light of longer wavelengths. A color filter may be coupled to the light guide. A width of a gap between consecutive color filters may vary non-monotonically across same. A pitch between the gaps may vary non-monotonically across same.

Abstract: Interpolations systems and methods are disclosed. In a particular embodiment, a system is disclosed that includes an input to receive image data. The system also includes an image processing system responsive to the image data and including a demosaicing module. The demosaicing module is configured to use adaptive bi-cubic spline interpolation. The system further includes an output responsive to the image processing system and adapted to provide output data.

Abstract: A solid-state imaging apparatus which can photograph a high-definition image and, at high quality, a moving image having lower resolution than that of the high-definition image is provided. The solid-state imaging apparatus comprises: plural pixels which include a photoelectric conversion unit and a transfer unit; an impurity diffused region which accumulates charges transferred from the photoelectric conversion unit through the transfer unit; an amplifying unit which outputs signals based on the charges accumulated by the impurity diffused region; and a reset unit which resets potential of the impurity diffused region, wherein the four pixels including the obliquely adjacent two pixels and the two pixels, in a same row or column, adjacent to one of the obliquely adjacent two pixels constitute a unit pixel group, and the impurity diffused region, the amplifying unit and the reset unit are commonly connected to the four pixels constituting the unit pixel group.

Abstract: An image processing method includes the following steps. First, noise of a first image is filtered, and the first image is converted to obtain a luminance signal. Second, the first image is stored and outputted. Third, a color space converting process is performed upon the first image according to the luminance signal to obtain a second image. Fourth, a linear computing is performed upon the second image to obtain a third image. Fifth, the color space converting process is performed according to a third image and the luminance signal to obtain and output a fourth image. Sixth, an error compensation is performed upon the first image and the fourth image, and the fourth image is outputted. Accordingly, a linear operating process and error compensation processing is performed upon the single image to filter the noise of the image, and thus a load of the system is reduced.

Abstract: A method and apparatus for color plane interpolation are provided which interpolates the color values of pixels differently depending on an edge direction and whether a pixel is at an edge within an image. The use of the edge detection during the interpolation of each of the colors present in the color pattern helps reduce some of the disadvantages of the loss of image sharpness abundant in known demosaicing techniques.

Abstract: A solid state imaging device includes shared amplification transistors and reset transistors arranged, for example, in a checkered pattern so that centroid of photo diodes 2 of the same colors are arranged substantially at an identical pitch. As a result, the resolution of the solid state imaging device can be maintained without considering irregularities of the incident light for each unit pixel.

Abstract: A color filter array of an image sensor is disclosed. The color filter array includes a first filter to transmit wavelengths of a first region in a visible light region, a second filter to transmit wavelengths of a second region in the visible light region, a third filter to transmit wavelengths of a third region in the visible light region, and a mixed filter to transmit wavelengths of at least one of the first region, the second region and the third region, and wavelengths of an infrared region at the same time.

Abstract: A color filter array may include two or more yellow filter pixels, one or more green filter pixels, and one or more cyan filter pixels. The two or more yellow filter pixels may be disposed in a first row or rows in a first direction. The one or more green filter pixels and the one or more cyan filter pixels may be disposed in a second row or rows in the first direction. The first row or rows and the second row or rows may alternate in a second direction perpendicular to the first direction. In the second direction, either the one or more green filter pixels and at least one of the two or more yellow filter pixels alternate or the one or more cyan filter pixels and at least one of the two or more yellow filter pixels alternate.

Abstract: The invention provides a color filter of an illumination image sensor and a method for fabricating the same. A color filter of an illumination image sensor includes a light shield portion constructed by a plurality of grid photoresist patterns, wherein the light shield portion covers a back side surface of the silicon wafer in a periphery region of an illumination image sensor chip.

Abstract: A color interpolation device may include a gradient grade calculation block calculating horizontal derivatives and vertical derivatives using composite video signals output from a current pixel and adjacent pixels and calculating a gradient grade using a linear composition of the horizontal derivatives and vertical derivatives, a horizontal/vertical YUV calculation block calculating horizontal YUV components and vertical YUV components of the current pixel from the composite video signals, and a YUV/RGB conversion circuit mixing the horizontal YUV components and the vertical YUV components based on the gradient grade and converting mixed YUV components generated as a result of the mixing to RGB components.

Abstract: A lens and colour filter assembly (100) contains lens units (110), wherein each lens unit (110) is assigned to a single-colour colour filter unit (120). The lens and colour filter assembly (100) may be combined with pixel units (230) such that a plurality of monochromatic, low-resolution images can be obtained, wherein the monochromatic images refer to shifted versions of the same image object. By a super-resolution technique comprising shift-compensation a mosaicked image is obtained which is then demosaiced. In the resultant image only few artefacts appear. Simple colour filter arrays allow a simplified fabrication process and provide less chromatic aberrations at less computational effort.

Abstract: A digital image-processing device with a Bayer sensor and an image memory is provided in which the image data of the sensor is written into an image memory, and from this image memory, image data in the Bayer format with a length L and a width B is written continuously into a data buffer, and in which the sample values are combined by means of a computational device with the help of adders, in each case symmetrically to a central point of one or more (2n+1)×(2n+1) neighborhoods, and one or more (n+1)×(n+1) matrices are derived by means of the computational device, and from this (n+1)×(n+1) matrix or these matrices, with the help of additional adders, at least one n×n matrix is formed, and a first color component is in each case calculated from this by means of an adder network.

Abstract: Color filter arrays (CFA) and image sensors using same are provided. A color filter array includes a plurality of first color filter patterns respectively interlaced with a plurality of second color filter patterns, wherein the first and second color filter patterns comprise a plurality of color filters of at least three different colors of red (R), green (G) and blue (B) filters, and the first and second color filter patterns are not mirror symmetrical, and a blue (B) filter in one of the first color filter patterns is adjoined by a red (R) filter in one of the second color filter patterns adjacent thereto and/or a red (R) filter in one of the first color filter patterns is adjoined by a blue filter in one of the color filter patterns adjacent thereto.

Abstract: A color filter allows a light signal to pass through by each pixel and be incident on an imaging device. The light signal is inputted through a lens and including one of plural different spectral components. The plural different spectral components include a first spectral component which has a widest frequency bandwidth among the plural different spectral components, a second spectral component corresponding to a predetermined frequency band close to a frequency that causes no chromatic aberration of the lens, and a third spectral component expressed in terms of a linear sum of a value resulting from multiplying the first spectral component by a first weighting factor and a value resulting from multiplying the second spectral component by a second weighting factor.

Abstract: An image capture apparatus that includes an array of color filters for green, red, and magenta colors arranged over a semiconductor substrate in the manner of a primary color Bayer pattern except a magenta color replaces the blue color. Light passing through the magenta color filter is integrated separately in a magenta pixel for a shallow photodiode signal and a deep photodiode signal in a first photodiode and a deeper second photodiode in the substrate, respectively. A mezzanine photodiode may be disposed between the first and second photodiodes and held at a fixed voltage level or reset multiple times during charge integration. A red pixel value for the magenta pixel is a function of the deep photodiode signal and an adjacent red pixel's red pixel signal. A minimum exists in its derivative with respect to the former at a value of the former that varies with the latter.