Patents by Inventor Eugene Fainstain
Eugene Fainstain has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9392236Abstract: An image processing method includes: receiving image data of a Bayer format comprising red color information, green color information, and blue color information, generating image data of a modified Bayer format by combining the green color information with the red color information and combining the green color information with the blue color information while downscaling the image data of the Bayer format to a target resolution, denoising the image data of the modified Bayer format, and generating RGB image data by demosaicing the denoised image data of the modified Bayer format.Type: GrantFiled: October 30, 2013Date of Patent: July 12, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Evgeny Artyomov, Roee Sfaradi, Ju Young Lee, Artem Zinevich, German Voronov, Eugene Fainstain
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Patent number: 9113025Abstract: Methods and circuits can be provided to correct crosstalk artifacts by generating image data correction matrices for respective pixel locations in an image sensor, based on pre-calibration matrices associated with the respective pixel locations. The image data correction matrices can be applied to the respective pixel locations to reduce imaging crosstalk artifacts associated with at least one of disparity, luminance, and chrominance.Type: GrantFiled: March 15, 2013Date of Patent: August 18, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Andrey Rubshtein, Eugene Fainstain
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Patent number: 9106813Abstract: A noise elimination device includes a low pass filter unit, a noise filtering unit and a signal synthesis unit. The low pass filter unit generates a low frequency image signal by separating low frequency elements from an input image signal. The noise filtering unit generates a filtered image signal by suppressing noise in the low frequency image signal in horizontal and vertical directions. The signal synthesis unit generates an output image signal by combining the high frequency image signal and the filtered image signal.Type: GrantFiled: February 27, 2013Date of Patent: August 11, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eugene Fainstain, Evgeny Artyomov
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Publication number: 20140267838Abstract: Methods and circuits can be provided to correct crosstalk artifacts by generating image data correction matrices for respective pixel locations in an image sensor, based on pre-calibration matrices associated with the respective pixel locations. The image data correction matrices can be applied to the respective pixel locations to reduce imaging crosstalk artifacts associated with at least one of disparity, luminance, and chrominance.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Andrey Rubshtein, Eugene Fainstain
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Publication number: 20140240555Abstract: A noise elimination device includes a low pass filter unit, a noise filtering unit and a signal synthesis unit. The low pass filter unit generates a low frequency image signal by separating low frequency elements from an input image signal. The noise filtering unit generates a filtered image signal by suppressing noise in the low frequency image signal in horizontal and vertical directions. The signal synthesis unit generates an output image signal by combining the high frequency image signal and the filtered image signal.Type: ApplicationFiled: February 27, 2013Publication date: August 28, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eugene FAINSTAIN, Evgeny ARTYOMOV
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Publication number: 20140118582Abstract: An image processing method includes: receiving image data of a Bayer format comprising red color information, green color information, and blue color information, generating image data of a modified Bayer format by combining the green color information with the red color information and combining the green color information with the blue color information while downscaling the image data of the Bayer format to a target resolution, denoising the image data of the modified Bayer format, and generating RGB image data by demosaicing the denoised image data of the modified Bayer format.Type: ApplicationFiled: October 30, 2013Publication date: May 1, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: EVGENY ARTYOMOV, Roee Sfaradi, Ju Young Lee, Artem Zinevich, German Voronov, Eugene Fainstain
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Publication number: 20120200754Abstract: At least one example embodiment provides for a noise reducing system for an image sensor having a pixel array, the noise reducing system includes a pattern matcher configured to receive a first pixel value of a first pixel in the pixel array and output a reduced noise pixel value of the first pixel based on a comparison of a pixel value pattern including the first pixel value and at least another pixel value pattern in the pixel array.Type: ApplicationFiled: February 9, 2011Publication date: August 9, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eugene Fainstain, Evgeny Artyomov, Timofei Uvarov
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Publication number: 20120188390Abstract: In a method for out-of-gamut color correction of images, the image is color corrected by compressing pixel vectors having a maximal component located outside of the output color gamut to within the output color gamut while retaining a hue of the image. An electronic imaging system includes an image signal processor configured to color correct the image for display by the output device by compressing pixel vectors having a maximal component located outside of the output color gamut to within the output color gamut while retaining a hue of the image.Type: ApplicationFiled: January 26, 2011Publication date: July 26, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ro'ee Sfaradi, Eugene Fainstain, Artem Zinevich
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Patent number: 8120680Abstract: An image sensor capable of canceling crosstalk without reduction of a signal to noise ratio (SNR) to improve a sensitivity includes a plurality of light detection units and a filter array including a plurality of filters, with each of the plurality of filters being deposited on a corresponding one of the light detection units. The filter array includes a green filter used to transmit a green component of an incident light, a yellow filter used to transmit a yellow component of the incident light, and a cyan filter used to transmit a cyan component of the incident light.Type: GrantFiled: February 11, 2009Date of Patent: February 21, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Jin Hak Kim, Hiromichi Tanaka, Yong In Han, Eugene Fainstain
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CMOS image sensor with increased dynamic range based on multiple exposure periods of varying lengths
Patent number: 8013919Abstract: A method of increasing the dynamic range of a captured image using a pixel array having a plurality of rows includes reading first pixel information corresponding to a long integration period from each pixel of a first row, reading second pixel information corresponding to a short integration period from each pixel of the first row, and merging the first pixel information and the second pixel information to thereby produce wide dynamic range pixel information for each pixel of the first row. Reading first pixel information takes place during a first interval, reading second pixel information takes place during a second interval, and at least a portion of the second interval takes place during a long integration period corresponding to a second row of the pixel array.Type: GrantFiled: June 27, 2007Date of Patent: September 6, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Yoel Yaffe, Eugene Fainstain -
Patent number: 7956871Abstract: A method of displaying a captured image includes using an array of pixels to capture an image. The array of pixels includes a first plurality of pixels of a first color, a second plurality of pixels of a second color, and a third plurality of pixels of a third color. The pixels are arranged into rows and columns and the pixels of the third plurality of pixels have two different arrangements within the array of pixels with respect to neighboring pixels. The method includes, for each pixel in the third plurality of pixels, normalizing the pixel's value as a function of the pixel values of at least six other pixels in the third plurality of pixels. The method also includes displaying the captured image using a normalized value for the pixel value of each pixel in the third plurality of pixels.Type: GrantFiled: April 27, 2006Date of Patent: June 7, 2011Assignee: Samsung Electronics Co., Ltd.Inventor: Eugene Fainstain
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Patent number: 7868928Abstract: An image processing system includes a filtering arrangement configured to receive incoming pixel information and filter at least a first portion of the information to thereby pass a second portion of the information for further processing; circuitry configured to apply a first color correction function to the incoming pixel information to thereby produce a modified first portion; circuitry configured to apply a second color correction function to the second portion to thereby produce a modified second portion; and an adder configured to combine the modified first portion to the modified second portion.Type: GrantFiled: March 15, 2007Date of Patent: January 11, 2011Assignee: Samsung Electronics Co., Ltd.Inventor: Eugene Fainstain
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Patent number: 7693347Abstract: Methods and apparatus to measure small shifts and rotations of video images captured in short succession after a first reference video image is captured, and to add the sequence of captures while shifting or rotating back the shifted or rotated images, in order to improve the SNR in low light conditions.Type: GrantFiled: August 24, 2006Date of Patent: April 6, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Eugene Fainstain, Yoav Lavi
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Patent number: 7612802Abstract: An imaging apparatus for capturing a still or moving picture is disclosed. The imaging apparatus includes a substrate and an aperture. The substrate includes an imaging array and a pixel. The aperture exposes the imaging array to radiation. The pixel is isolated from radiation passing through the aperture. In some embodiments, the radiation gathered by the pixel can be used to improve the still or moving picture captured by the imaging apparatus.Type: GrantFiled: January 12, 2006Date of Patent: November 3, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: German Voronov, Eugene Fainstain
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Patent number: 7609305Abstract: Embodiments of the current invention provide for systems and methods for correcting shading effects in image sensors. More specifically, but not by way of limitation, embodiments of the current invention provide methods and systems for dynamically correcting shading effects for digitally converted outputs from individual pixels on a pixel array in the image sensor, wherein the shading correction may be calculated according to a function of an elliptical-type equation from the radial location of the pixel on the pixel array. In embodiments of the present invention, the correction is performed at the Bayer domain before demosaicing processing to provide for accuracy of shading correction and low power consumption.Type: GrantFiled: April 6, 2005Date of Patent: October 27, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Eugene Fainstain, Shlomo Polonsky, Miriam Fraenkel, Yoav Lavi
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Publication number: 20090213252Abstract: An image sensor capable of canceling crosstalk without reduction of a signal to noise ratio (SNR) to improve a sensitivity includes a plurality of light detection units and a filter array including a plurality of filters, with each of the plurality of filters being deposited on a corresponding one of the light detection units. The filter array includes a green filter used to transmit a green component of an incident light, a yellow filter used to transmit a yellow component of the incident light, and a cyan filter used to transmit a cyan component of the incident light.Type: ApplicationFiled: February 11, 2009Publication date: August 27, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Jin Hak Kim, Hiromichi Tanaka, Yong In Han, Eugene Fainstain
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Publication number: 20090206241Abstract: An image sensor that includes a plurality of light detection units and a filter array including a plurality of filters, wherein each filter is disposed on a corresponding one of the light detection units. The filter array includes a first white filter that transmits light incident light on the filter array, a yellow filter that transmits a yellow component of the incident light, and a cyan filter that transmits a cyan component of the incident light.Type: ApplicationFiled: February 11, 2009Publication date: August 20, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Jin Hak Kim, Eugene Fainstain, Hiromichi Tanaka, Yong In Han
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Publication number: 20090073293Abstract: A method of operating an image sensor apparatus is provided. In this method, first digital image data is generated based on a first exposure data signal, wherein the first exposure data signal is indicative of an exposure level of the image sensor during a first exposure period. The first digital image data is stored in a storage circuit. Second digital image data is generated based on a second exposure data signal, wherein the second exposure data signal is indicative of an exposure level of the image sensor during a second exposure period. The second exposure period is different from the first exposure period. The second digital image data associated with the image sensor is selectively stored based on a value of the first digital image data associated with the image sensor.Type: ApplicationFiled: June 27, 2008Publication date: March 19, 2009Inventors: Yoel Yaffe, Mickey Bahar, Eugene Fainstain, Leonid Brailovsky, Artem Zinevich, Evgeny Artyomov
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Patent number: 7425933Abstract: Embodiments of the present invention relate in general to systems and methods for dynamically correcting color cross-talk and related color distortion in an image sensor. More specifically, but not by way of limitation, certain embodiments of the present invention relate to correcting pixel outputs from a pixel array in an image sensor at the Bayer domain for color cross-talk and/or green disparity using hyperbolically varying correction functions to dynamically derive color cross-talk correction factors using pixel location on the pixel array, a selected pixel output and related outputs from neighboring pixels on the image sensor prior to or synchronous with color interpolation.Type: GrantFiled: April 14, 2005Date of Patent: September 16, 2008Assignee: Samsung Semiconductor Israel R&D Center (SIRC)Inventors: Eugene Fainstain, Shlomo Polonsky, Miriam Fraenkel, Yoav Lavi
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Publication number: 20080158398Abstract: A method of increasing the dynamic range of a captured image using a pixel array having a plurality of rows includes reading first pixel information corresponding to a long integration period from each pixel of a first row, reading second pixel information corresponding to a short integration period from each pixel of the first row, and merging the first pixel information and the second pixel information to thereby produce wide dynamic range pixel information for each pixel of the first row. Reading first pixel information takes place during a first interval, reading second pixel information takes place during a second interval, and at least a portion of the second interval takes place during a long integration period corresponding to a second row of the pixel array.Type: ApplicationFiled: June 27, 2007Publication date: July 3, 2008Applicant: TransChip, Inc.Inventors: Yoel Yaffe, Eugene Fainstain