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| Number | Title | Issue Date |
| 8149296 | Solid-state image pickup device This invention is a solid-state image pickup device that solves the problem of limited dynamic range in the high luminance region in an image sensor having white pixels. White pixels or yellow pixels and at least red pixels, green pixels or blue pixels are arranged ... | 04/03/2012 |
| 7336302 | Frame memory device and method with subsampling and read-out of stored signals at lower resolution than that of received image signals A frame memory device is employed in a digital camera, for example, to output raster-scanned digital color image signals at lower resolution than that of original image signals. The order of sequentially received original raster-scanned digital color image signals i... | 02/26/2008 |
| 7307657 | Video signal processing method and device for processing luminance signal In a video signal processing method of processing a luminance signal of a video signal generated by causing a CCD to receive light transmitted through color filters, a control signal yf1 is generated by calculating Cy/Y using a complementary color signal Cy a... | 12/11/2007 |
| 7286701 | Image synthesis apparatus and image synthesis method Original YC data is converted to Bayer data, and the converted Bayer data is inversely gamma-converted. Picked-up YC data which is a synthesis object is also converted to the Bayer data, and the converted Bayer data is inversely gamma-converted. These inversely gamm... | 10/23/2007 |
| 7256828 | Weighted gradient based and color corrected interpolation The apparatus and method invented are operating upon a digital image signal obtained from an image sensor. The sensor is covered with different colored filters and is only able to record the color transmitted through each specific filter into the photosite or pixel.... | 08/14/2007 |
| 7236627 | Image sensing apparatus and method, program, and storage medium The object of this invention is to decrease a memory capacity required for a lookup table. To achieve this object, in an image sensing apparatus which causes an image processing section to execute image processing to convert digital image data, which is obtained by ... | 06/26/2007 |
| 7230649 | Image sensor system using CMOS image sensor and image sensor apparatus using CMOS image sensor An image sensor such as the conventional CMOS image sensor, in which automatic controls including so-called automatic iris control and white balance adjustment for adjusting the sensor sensitivity, namely the charge accumulation time in each pixel, according to the ... | 06/12/2007 |
| 7148920 | Solid state image pickup device capable of distinguishing between light sources and image pickup apparatus using such solid state image pickup device There are photographing scenes which are difficult, for a conventional image pickup apparatus having a solid state image pickup device with primary color filters, to correctly judge whether an illumination light source is the sun or a fluorescent lamp. The solid ima... | 12/12/2006 |
| 7142233 | Image pickup element To output a color image signal of an arbitrary basic block and facilitate processing on the output side, an image pickup element including a plurality of photodetectors each having a color filter array, a vertical direction selection circuit for selecting in the ver... | 11/28/2006 |
| 7142239 | Apparatus and method for processing output from image sensor An apparatus and method for processing the output data of an image sensor are provided. According to the apparatus and method, high quality pictures can be obtained regardless of whether the difference between intensities of different colors sensed in an arbitrary p... | 11/28/2006 |
| 7133073 | Method and apparatus for color interpolation An imaging method and system that flexibly accesses light sensor elements and processes imaging signals. The imaging system comprises an array of pixel sensor cells, an array controller and a readout control circuit. The imaging system provides color interpolation. | 11/07/2006 |
| 7116378 | Color-balanced brightness enhancement for display systems A technique for providing a desired level of color balance in field sequential color systems with brightness enhancement. In color wheels having a spectrally-broad transmissive segment, the spectrally-broad segment has a transmittance that is selected to provide a d... | 10/03/2006 |
| 7098945 | Electronic camera apparatus An electronic camera apparatus reads out, from an image sensing device, an image signal which represents a color image constructed by a number of pixels to which predetermined colors are assigned and has pieces of luminance information with analog values representin... | 08/29/2006 |
| 7095438 | Image signal processing device for minimizing false signals at color boundaries An image signal processing device of the present invention includes an RGB-YC conversion for converting color component signals output from a CCD (Charge Coupled Device) image sensor to luminance signals and components thereof lying in a high frequency range. The lu... | 08/22/2006 |
| 7061528 | Signal processing apparatus which suppresses a color signal according to luminance level To provide a signal processing apparatus and an image pickup signal processing method both of which restrain a color signal from being influenced by band limitation in a color processing system, thereby enabling signal processing which produces an undegraded image, ... | 06/13/2006 |
| 7025454 | Extended depth of field optics for human vision The present invention provides extended depth of field to human eyes by modifying contact lenses, intraocular implants, and/or the surface of the eye itself. This may be accomplished by applying selected phase variations to these optical elements (e.g., by varying s... | 04/11/2006 |
| 7016549 | Image processing method for direction dependent low pass filtering First similarity values along at least four directions are ascertained within a local area containing a target pixel and weighted averaging is performed by adding the pixel values of pixels around the target pixel value to the pixel value of the target pixel, adding... | 03/21/2006 |
| 6941025 | Simultaneous vertical spatial filtering and chroma conversion in video images Simultaneous vertical spatial filtering and chrominance conversion is achieved with reduced data buffering and simplified filtering circuits by using a single filter stage and hybrid filter coefficients. Data latency is reduced and performance requirements are reduc... | 09/06/2005 |
| 6912004 | Method and system for processing images A method and a system for processing images using interpolating. A variation value for different sets of pixels is determined, and the set of pixels with the highest correlation (lowest numeric value) is selected. A missing color at a given pixel is expressed in ter... | 06/28/2005 |
| 6882364 | Solid-state imaging apparatus and signal processing method for transforming image signals output from a honeycomb arrangement to high quality video signals A solid-state imaging apparatus includes an image pick-up section in which photosensitive devices are arranged in, e.g., a honeycomb G square lattice, RB full-checker pattern due to shifted pixels. Regions void of the photosensitive devices are assumed to be virtual... | 04/19/2005 |
| 6870566 | Image sensing system for sensing an image and converting the image into image signals with a controlled operating rate In an image sensing apparatus using an image sensing device, such as a CCD, to be used by connecting to an external device, such as a computer, an operating rate of the CCD is changed in accordance with a rate at which the computer receives image signals from the im... | 03/22/2005 |
| 6795119 | Solid-state image pickup apparatus for producing image signals with pixel signals mixed in a horizontal direction and a signal reading method for the same A solid-state image pickup apparatus includes a timing signal feeding section for outputting signals assigned to a preliminary pickup mode as well as signals assigned to an actual pickup mode that follows the preliminary pickup mode. In the preliminary pickup mode, ... | 09/21/2004 |
| 6747698 | Image interpolating device An image interpolating device comprises a color filter, in which R, G, and B color filter elements are disposed in a checkerboard arrangement, and an imaging device which generates R, G, and B-signals corresponding to the color filter elements. In an interpolation p... | 06/08/2004 |
| 6721000 | Adaptive pixel-level color enhancement for a digital camera An adaptive color enhancer applies different scale factors to different pixels in a digital image. More color enhancement occurs for bright pixels and for dim pixels than for average-intensity pixels. Also, more color enhancement is applied to the more colorful pixe... | 04/13/2004 |
| 6690418 | Image sensing apparatus image signal controller and method Two image signals from a non-interlace scanning type CCD at predetermined horizontal and vertical sampling frequencies are respectively inputted to automatic gain controllers, then to a color separator where the input signals are separated into luminance ... | 02/10/2004 |
| 6593964 | Image pickup apparatus with non-debased hue and luminance when reading all pixels and color generation performed by single lines when reading skipped lines A single-plate color solid-state image pickup apparatus constructed to prevent a color deviation, using as a color filter array, complementary color filters that are sequentially arranged in color filter columns in a horizontally repeating cycle of four p... | 07/15/2003 |
| 6570616 | Image processing method and device and recording medium in which image processing program is recorded When processing an image of a two-dimensional pixel arrangement such as a Bayer arrangement, when a pixel G (j, i) of a first color component which represents luminance is interpolated, the value of the first color component associated with the primary re... | 05/27/2003 |
| 6493029 | Image restoration method and associated apparatus A signal processing method for estimating luminance is provided, for use with matrix patterned image sensors where elected sensor pixels (G), preferably green pixels, from which luminance-representative signals are taken, only occupy alternate horizontal ... | 12/10/2002 |
| 6271881 | Color image pickup apparatus for progressive scanning video signal A color image pickup apparatus includes a photo-to-electric conversion section subjected to progressive scanning. A first delay circuit defers an output signal of the photo-to-electric conversion section. A first adder combines the output signal of the ph... | 08/07/2001 |
| 6078357 | Image mixing circuit An image mixing circuit usable in a video camera for mixing images with a continuous gradation characteristic in both the luminance signal and color signal is provided according to the present invention. A color separation circuit separates plural image s... | 06/20/2000 |
| 5862342 | Intelligent video information management system with information archiving capabilities A video data storage apparatus includes a source of video data including a number of video cameras and digitizing circuitry. Two hard disk drives are provided in the apparatus for storing the video data. Also provided in the apparatus is an archive device... | 01/19/1999 |
| 5627588 | Video signal processing stripe color demodulator system and method An image is captured into a video signal by an array sensor with color stripes. The system first interprets the highest frequencies of the signal as an upper sideband of the I color component so as to double the recoverable bandwidth of color detail. From... | 05/06/1997 |
| 5614947 | Solid state imaging apparatus A solid state imaging apparatus includes two-dimensional frequency process which is applied to an output signal from each pixel of a progressive scan-type CCD. The CCD has an an arrangement of color separation filters without making carriers in the horizo... | 03/25/1997 |
| 5583568 | Solid state image pickup apparatus having improved luminance control A solid state image pickup apparatus for obtaining a luminance signal from the average value of outputs of two or more pixels varying in spectral characteristic from line to line. It includes a circuit to correct the amplitude of a luminance signal in eve... | 12/10/1996 |
| 5581298 | Color signal processing apparatus using plural luminance signals Disclosed is a color signal processing apparatus in which at least three types of color signals corresponding to filters are received from a solid-state image pickup element on which at least three types of color filters are formed, and linear matrix conv... | 12/03/1996 |
| 5563657 | Solid state image pickup apparatus having improved luminance control An image signal processor for correcting a difference in level between luminance signals in horizontal scanning lines using a control signal generated in accordance with a color signal, wherein the color signals are two color difference signals (R-Y) and ... | 10/08/1996 |
| 5523786 | Color sequential camera in which chrominance components are captured at a lower temporal rate than luminance components A color sequential electronic camera includes an RGB light source in which the R and G sources are activated in combination to provide a luminance light beam, and the R and B sources separately to provide separate chrominance light beams. Image light refl... | 06/04/1996 |
| 5450124 | Color video camera for generating a luminance signal with unattenuated harmonics The outputs of N kinds of spectral response characteristics from an image sensor are passed through low-pass filters to obtain N kinds of outputs from the 1st through Nth, and the output signal of a pixel of interest having the Kth (1ࣘKࣘN) spectral re... | 09/12/1995 |
| 5406067 | Electrically adjusted mosaic filter for use as an optical sensor in an optical measurement instrument An optical sensor has an electrically adjusted mosaic filter in which each optical filter element of the mosaic filter covers a photosensitive device or region disposed adjacent to the filter. The electrical signals from each photosensitive region or devi... | 04/11/1995 |
| 5267028 | Solid state image pickup apparatus having luminance control A solid state image pickup apparatus for obtaining a luminance signal from the average value of outputs of two or more pixels varying in spectral characteristic from line to line. It includes a circuit to correct the amplitude of a luminance signal in eve... | 11/30/1993 |
