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Kartik Venkataraman

age ~41

from Fremont, CA

Also known as:
  • Karik Venkataranan
  • Kartik N Venkataraman

Kartik Venkataraman Phones & Addresses

  • Fremont, CA
  • Chicago, IL
  • Madison, WI
  • Glendale Heights, IL
  • Woodridge, IL

Us Patents

  • Color Filter Imaging Array And Method Of Formation

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  • US Patent:
    6783900, Aug 31, 2004
  • Filed:
    May 13, 2002
  • Appl. No.:
    10/142961
  • Inventors:
    Kartik Venkataraman - San Jose CA
  • Assignee:
    Micron Technology, Inc. - Boise ID
  • International Classification:
    G02B 520
  • US Classification:
    430 7, 348 71, 348 77, 348280, 257440, 600109, 359891
  • Abstract:
    A color filter array pattern for use in a solid-state imager comprising red sensitive elements located at every other array position, with alternating blue sensitive and green sensitive elements located at the remaining array positions, is disclosed. Since red color is sampled most frequently, the color filter may be part of an in vivo camera system for imaging internal human body organs and tissues.
  • Optical Simulator Using Parallel Computations

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  • US Patent:
    2011005, Mar 3, 2011
  • Filed:
    Aug 31, 2009
  • Appl. No.:
    12/550657
  • Inventors:
    Junqing Chen - San Jose CA,
    Kartik Venkataraman - San Jose CA,
  • Assignee:
    Aptina Imaging Corporation - Grand Cayman KY
  • International Classification:
    G06G 7/62
  • US Classification:
    703 13
  • Abstract:
    Systems and methods are provided for performing optical simulations using parallel computations. In some embodiments, the optical simulations can be performed on a computer system using raw image data provided by a camera. The computer system may include a central processing unit (CPU) and a graphics processing unit (GPU), where the GPU may be configured for the parallel computations. The CPU can build a lookup table of lens characterization data, such as point spread function (PSF) data. Using the lookup table, the GPU can perform the optical simulations. For example, the GPU can compute a plurality of convolutions in parallel, each using PSF data and a window of pixels. The result of each convolution may produce a pixel value that approximates the effect of the lens on that pixel.
  • Systems And Methods For Detecting Defective Camera Arrays And Optic Arrays

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  • US Patent:
    2014000, Jan 2, 2014
  • Filed:
    Jun 28, 2013
  • Appl. No.:
    13/931724
  • Inventors:
    Andrew McMahon - San Carlos CA,
    Dan Lelescu - Morgan Hill CA,
    Kartik Venkataraman - San Jose CA,
    Gabriel Molina - Palo Alto CA,
  • International Classification:
    H04N 17/00
  • US Classification:
    348187
  • Abstract:
    Systems and methods for detecting defective camera arrays, optic arrays and/or sensors are described. One embodiment includes capturing image data using a camera array; dividing the captured images into a plurality of corresponding image regions; identifying the presence of localized defects in any of the cameras by evaluating the image regions in the captured images; and detecting a defective camera array using the image processing system when the number of localized defects in a specific set of image regions exceeds a predetermined threshold, where the specific set of image regions is formed by: a common corresponding image region from at least a subset of the captured images; and any additional image region in a given image that contains at least one pixel located within a predetermined maximum parallax shift distance along an epipolar line from a pixel within said common corresponding image region within the given image.
  • Camera Modules Patterned With Pi Filter Groups

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  • US Patent:
    2013029, Nov 7, 2013
  • Filed:
    May 1, 2013
  • Appl. No.:
    13/875248
  • Inventors:
    Kartik Venkataraman - San Jose CA,
  • Assignee:
    Pelican Imaging Corporation - Mountain View CA
  • International Classification:
    H04N 9/73
  • US Classification:
    348336
  • Abstract:
    Systems and methods in accordance with embodiments of the invention pattern array camera modules with π filter groups. In one embodiment, an array camera module includes: an M×N imager array including a plurality of focal planes, where each focal plane includes an array of pixels; an M×N optic array of lens stacks, where each lens stack corresponds to a focal plane, and where each lens stack forms an image of a scene on its corresponding focal plane; where each pairing of a lens stack and focal plane thereby defines a camera; where at least one row in the M×N array of cameras includes at least one red camera, one green camera, and one blue camera; and where at least one column in the M×N array of cameras includes at least one red camera, one green camera, and one blue camera.
  • Systems And Methods For The Manipulation Of Captured Light Field Image Data

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  • US Patent:
    2013021, Aug 22, 2013
  • Filed:
    Feb 21, 2013
  • Appl. No.:
    13/773284
  • Inventors:
    Pelican Imaging Corporation - ,
    Kartik Venkataraman - San Jose CA,
    Robert Mullis - Santa Cruz CA,
  • Assignee:
    Pelican Imaging Corporation - Mountain View CA
  • International Classification:
    G06T 19/20
    G06F 3/01
    G06F 3/041
  • US Classification:
    345419, 345173, 345158
  • Abstract:
    Systems and methods for the manipulation of captured light fields and captured light field image data in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a system for manipulating captured light field image data includes a processor, a display, a user input device, and a memory, wherein a depth map includes depth information for one or more pixels in the image data, and wherein an image manipulation application configures the processor to display a first synthesized image, receive user input data identifying a region within the first synthesized image, determine boundary data for the identified region using the depth map, receive user input data identifying at least one action, and perform the received action using the boundary data and the captured light field image data.
  • Systems And Methods For Extending Dynamic Range Of Imager Arrays By Controlling Pixel Analog Gain

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  • US Patent:
    2013014, Jun 13, 2013
  • Filed:
    Feb 6, 2013
  • Appl. No.:
    13/761040
  • Inventors:
    PELICAN IMAGING CORPORATION - Mountain View CA,
    Paul Gallagher - San Jose CA,
    Kartik Venkataraman - San Jose CA,
  • Assignee:
    PELICAN IMAGING CORPORATION - Mountain View CA
  • International Classification:
    H04N 5/335
  • US Classification:
    3482181
  • Abstract:
    Array cameras and imager arrays configured to capture high dynamic range light field image data and methods of capturing high dynamic range light field image data in accordance with embodiments of the invention are disclosed. Imager arrays in accordance with many embodiments of the invention include multiple focal planes with associated read out and sampling circuitry. The sampling circuitry controls the conversion of the analog image information into digital image data. In certain embodiments, the sampling circuitry includes an Analog Front End (AFE) and an Analog to Digital Converter (ADC). In several embodiments, the AFE is used to apply different amplification gains to analog image information read out from pixels in a given focal plane to provide increased dynamic range to digital image data generated by digitizing the amplified analog image information. The different amplifications gains can be applied in a predetermined manner or on a pixel by pixel basis.
  • Capturing And Processing Of Images Using Monolithic Camera Array With Heterogeneous Imagers

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  • US Patent:
    2011008, Apr 7, 2011
  • Filed:
    Nov 22, 2010
  • Appl. No.:
    12/952134
  • Inventors:
    Kartik VENKATARAMAN - Mountain View CA,
    Amandeep S. Jabbi - Mountain View CA,
    Robert H. Mullis - Mountain View CA,
    Jacques Duparre - Jena,
    Shane Ching-Feng Hu - Frement CA,
  • Assignee:
    Pelican Imaging Corporation - Mountain View CA
  • International Classification:
    H04N 5/225
  • US Classification:
    3482181, 348E05024
  • Abstract:
    Systems and methods for implementing array cameras configured to perform super-resolution processing to generate higher resolution super-resolved images using a plurality of captured images and lens stack arrays that can be utilized in array cameras are disclosed. An imaging device in accordance with one embodiment of the invention includes at least one imager array, and each imager in the array comprises a plurality of light sensing elements and a lens stack including at least one lens surface, where the lens stack is configured to form an image on the light sensing elements, control circuitry configured to capture images formed on the light sensing elements of each of the imagers, and a super-resolution processing module configured to generate at least one higher resolution super-resolved image using a plurality of the captured images.
  • Capturing And Processing Of Images Using Monolithic Camera Array With Heterogeneous Imagers

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  • US Patent:
    2011006, Mar 24, 2011
  • Filed:
    May 20, 2009
  • Appl. No.:
    12/935504
  • Inventors:
    Kartik Venkataraman - Mountain View CA,
    Amandeed S. Jabbi - Mountain View CA,
    Robert H. Mullis - Mountain View CA,
  • Assignee:
    Pelican Imaging Corporation - Mountain View CA
  • International Classification:
    H04N 5/225
  • US Classification:
    3482181, 348E05024
  • Abstract:
    A camera array, an imaging device and/or a method for capturing image that employ a plurality of imagers fabricated on a substrate is provided. Each imager includes a plurality of pixels. The plurality of imagers include a first imager having a first imaging characteristics and a second imager having a second imaging characteristics. The images generated by the plurality of imagers are processed to obtain an enhanced image compared to images captured by the imagers. Each imager may be associated with an optical element fabricated using a wafer level optics (WLO) technology.

Resumes

Kartik Venkataraman Photo 1

Product Marketing Manager At Kla-Tencor

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Position:
Product Marketing Manager at KLA-Tencor
Location:
San Francisco Bay Area
Industry:
Semiconductors
Work:
KLA-Tencor - Miltpitas, CA since Sep 2011
Product Marketing Manager

Lam Research Corporation Aug 2009 - Sep 2011
Customer Technology Manager (Senior Process Engineer)

Lam Research Corporation Jun 2007 - Aug 2009
Process Engineer 3

University of Wisconsin-Madison Sep 2003 - May 2007
Research Assistant

Oak Ridge National Laboratory Jun 2005 - Aug 2005
ASTRO Research Intern
Education:
University of Wisconsin-Madison 2003 - 2007
PhD, Materials Science
University of Illinois at Chicago 2000 - 2002
MS, Chemical Engineering
University of Madras 1996 - 2000
BS, Engineering
Kartik Venkataraman Photo 2

Cto And Founder, Pelican Imaging

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Location:
San Francisco Bay Area
Industry:
Computer Software

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Work:
Pelican Imaging - CTO (2)
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