Patents by Inventor Ilia Ovsiannikov

Ilia Ovsiannikov 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).

  • IMAGING DEVICES WITH LIGHT SOURCES FOR REDUCED SHADOW, CONTROLLERS AND METHODS
    Publication number: 20140347553
    Abstract: An imaging device includes a casing, a defined a field of view, and light sources on the casing. Each light source has a field of illumination configured to illuminate a respective distinct sector of the FOV at a higher intensity than the other sectors. Accordingly, any partial shadow or visible partial shadow around a front image can be reduced or eliminated completely.
    Type: Application
    Filed: May 24, 2013
    Publication date: November 27, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ilia OVSIANNIKOV, Dong-Ki MIN
  • TIME-OF-FLIGHT PIXELS ALSO SENSING PROXIMITY AND/OR DETECTING MOTION IN IMAGING DEVICES & METHODS
    Publication number: 20140346361
    Abstract: An imaging device has a pixel array that includes one or more depth pixels. The imaging device also includes a controller that can cause one or more of the depth pixels to image a depth of an object in a ranging mode. The controller can further cause the depth pixel(s) to image in one or more detection modes, with the appropriate control signals. The imaging device also includes a monitoring circuit that can detect a current drawn by the depth pixel(s) in the detection modes. A revert indication can be generated from the detected current. Depending on the control signals, the revert indication can serve as a proximity indication, or as a motion indication.
    Type: Application
    Filed: January 7, 2014
    Publication date: November 27, 2014
    Inventors: Yibing M. WANG, Ilia OVSIANNIKOV, Tae-Chan KIM
  • RGBZ PIXEL ARRAYS, IMAGING DEVICES, CONTROLLERS & METHODS
    Publication number: 20140347442
    Abstract: A pixel array includes color pixels that have a layout, and depth pixels having a layout that starts from the layout of the color pixels. Photodiodes of adjacent depth pixels can be joined to form larger depth pixels, while still efficiently exploiting the layout of the color pixels. Moreover, some embodiments are constructed so as to enable freeze-frame shutter operation of the pixel array.
    Type: Application
    Filed: May 23, 2013
    Publication date: November 27, 2014
    Inventors: Yibing M. Wang, Dong-Ki Min, Ilia Ovsiannikov, Yoon-Dong Park
  • IMAGE SENSOR, OPERATING METHOD THEREOF, AND DEVICE INCLUDING THE IMAGE SENSOR
    Publication number: 20140267859
    Abstract: An image sensor includes a first photoelectric conversion element supplying charges to a first charge storage node, a first charge storage element adjusting an amount of charges supplied from a charge supply source to the first charge storage node in response to a feedback signal, and a feedback signal generating circuit generating the feedback signal based on an amount of charges in the first charge storage node.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Inventors: Yibing Wang, Eric Fossum, Ilia Ovsiannikov, Yoon Dong Park, Dong Ki Min
  • MOBILE DEVICE PROVIDING 3D INTERFACE AND GESTURE CONTROLLING METHOD THEREOF
    Publication number: 20140157206
    Abstract: Disclosed is a gesture control method for a mobile device that provides a three-dimensional interface. The gesture control method includes displaying a virtual three-dimensional space using the three-dimensional interface; detecting at least one gesture of at least one user using at least one front-facing sensor; and moving an object existing in the virtual three-dimensional space according to the detected gesture such that the at least one user interacts with the virtual three-dimensional space.
    Type: Application
    Filed: March 14, 2013
    Publication date: June 5, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ilia OVSIANNIKOV, Dong-Ki MIN, Yoon-dong PARK
  • Method and apparatus for image noise reduction using noise models
    Patent number: 8743208
    Abstract: A method and apparatus for processing imager pixel signals to reduce noise. The processing includes receiving a target pixel signal, receiving at least one neighboring pixel signal, formulating a dynamic noise signal based at least in part on a value of the target pixel signal, and controlling a noise reduction operation using the dynamic noise signal.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: June 3, 2014
    Assignee: Micron Technology, Inc.
    Inventor: Ilia Ovsiannikov
  • IMAGE SENSOR DEFECT IDENTIFICATION USING BLURRING TECHNIQUES
    Publication number: 20140092279
    Abstract: Embodiments described herein may operate to image a scene with an imaging system using an image blurring technique. An image sensor array (ISA) element may be identified as a dark defect element if a first ratio of an average of a set of illuminance signal magnitudes from a set of surrounding ISA elements to a magnitude of an illuminance signal from the ISA element is greater than a threshold sharpness value. The image sensor array element may be identified as a bright defect element if a second ratio of the magnitude of the illuminance signal from the ISA element to the average of the set of illuminance signal magnitudes from the set of surrounding ISA elements is greater than the threshold sharpness value.
    Type: Application
    Filed: September 25, 2013
    Publication date: April 3, 2014
    Applicant: Micron Technology, Inc.
    Inventor: Ilia Ovsiannikov
  • Method of Controlling Image Sensor and Image Sensor Using the Method
    Publication number: 20140078381
    Abstract: An image capture device includes an image sensor having an array of pixels therein, which are configured to receive light reflected from an object during an image capture time interval. A light source is provided, which is configured to project light to the object during at least a portion of the image capture time interval. A control circuit/unit is provided, which is electrically coupled to the image sensor and the light source. This control circuit is configured to drive the light source with signals that cause the light source to project light to the object without interruption during at least a first time interval when all rows of a frame of pixels within the array are being sequentially read and during a second time interval when all rows of the frame of pixels within the array are being sequentially read.
    Type: Application
    Filed: September 14, 2012
    Publication date: March 20, 2014
    Inventors: Ilia Ovsiannikov, Joon Ho Lee
  • AMBIENT INFRARED DETECTION IN SOLID STATE SENSORS
    Publication number: 20140048691
    Abstract: A solid state imaging device includes an array of active pixels and an infrared cut filter formed over the sensor. Optionally, a slot in the infrared cut filter allows infrared illumination to reach the sensor to be detected by pixels covered by a visually opaque filter and surrounded by pixels of special types that limit charge leakage and enable high dynamic range sensing of infrared illumination. A ratio of average infrared signal to average brightness indicates an amount of infrared illumination reaching the imaging device.
    Type: Application
    Filed: October 25, 2013
    Publication date: February 20, 2014
    Applicant: Micron Technology, Inc.
    Inventors: Ilia Ovsiannikov, Xuemei Zhang, Dmitri Jerdev
  • Image sensors for sensing object distance information based on clock signals
    Patent number: 8648945
    Abstract: An image sensor includes a clock signal generator configured to generate and output at least first and second clock signals, a plurality of pixels configured to generate associated distance signals based on corresponding clock signals from among the at least first and second clock signals and light reflected by an object, and a distance information deciding unit configured to determine distance information with respect to the object by using the associated distance signals. At least one first pixel from among the plurality of pixels is configured to generate the associated distance signal based on at least the first clock signal, and at least one second pixel from among the plurality of pixels, which is adjacent to the at least one first pixel, is configured to generate the associated distance signal based on at least the second clock signal.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: February 11, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ilia Ovsiannikov, Yoon-dong Park, Dong-ki Min, Young-gu Jin
  • Ambient infrared detection in solid state sensors
    Patent number: 8569681
    Abstract: A solid state imaging device includes an array of active pixels and an infrared cut filter formed over the sensor. Optionally, a slot in the infrared cut filter allows infrared illumination to reach the sensor to be detected by pixels covered by a visually opaque filter and surrounded by pixels of special types that limit charge leakage and enable high dynamic range sensing of infrared illumination. A ratio of average infrared signal to average brightness indicates an amount of infrared illumination reaching the imaging device.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: October 29, 2013
    Assignee: Micron Technology, Inc.
    Inventors: Ilia Ovsiannikov, Xuemei Zhang, Dmitri Jerdev
  • Methods, systems and apparatuses for white balance calibration
    Patent number: 8564688
    Abstract: Methods, systems and apparatuses for white balance calibration. A calibration correction matrix is specifically calibrated for each individual imager, thereby providing improved automatic white balance performance. The individual imager calibration corrects for variation of the spectral response among different imagers. The calibration correction matrix is placed before the gray checker module, which analyzes the chromaticity of the image pixels and supplies resulting statistics to the automatic white balance decision engine for use in automatic white balance operations. The calibration correction matrix may be implemented as a 3×3 matrix.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: October 22, 2013
    Assignee: Aptina Imaging Corporation
    Inventor: Ilia Ovsiannikov
  • Depth Estimation Device And Operating Method Using The Depth Estimation Device
    Publication number: 20130258099
    Abstract: A method of a estimating a depth including outputting an optical signal to an object and estimating a depth between the object and the depth estimation device in response to a gate signal and a reflected optical signal which is reflected from the object, wherein the optical signal includes a plurality of sequences and a phase of a pulse of the optical signal is randomly changed for each of the plurality of sequences.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 3, 2013
    Inventors: Ilia Ovsiannikov, Dong Ki Min, Yo Hwan Noh
  • METHOD AND APPARATUS FOR IMAGE NOISE REDUCTION USING NOISE MODELS
    Publication number: 20130242144
    Abstract: A method and apparatus for processing imager pixel signals to reduce noise. The processing includes receiving a target pixel signal, receiving at least one neighboring pixel signal, formulating a dynamic noise signal based at least in part on a value of the target pixel signal, and controlling a noise reduction operation using the dynamic noise signal.
    Type: Application
    Filed: April 23, 2013
    Publication date: September 19, 2013
    Applicant: MICRON TECHNOLOGY, INC.
    Inventor: Ilia Ovsiannikov
  • METHOD OF OPERATING A THREE-DIMENSIONAL IMAGE SENSOR
    Publication number: 20130229491
    Abstract: In a method of operating a three-dimensional image sensor including a light source module according to example embodiments, the three-dimensional image sensor detects a position change of an object by generating a two-dimensional image in a low power standby mode. The three-dimensional image sensor switches a mode from the low power standby mode to a three-dimensional operating mode when the position change of the object is detected in the two-dimensional image. The three-dimensional image sensor performs gesture recognition for the object by generating a three-dimensional image using the light source module in the three-dimensional operating mode.
    Type: Application
    Filed: January 17, 2013
    Publication date: September 5, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wang-Hyun KIM, Dong-Ki MIN, Young-Gu JIN, Ilia OVSIANNIKOV
  • IMAGE SENSOR, IMAGE SENSING METHOD, AND IMAGE CAPTURING APPARATUS INCLUDING THE IMAGE SENSOR
    Publication number: 20130175429
    Abstract: An image sensor that includes a pixel array including pixels that sample a plurality of modulation signals having different phases from the reflected light and that output pixel output signals corresponding to the plurality of modulation signals, the output pixel output signals being used to generate first images, an integral time adjusting unit that detects a change in an integral time applied to generate the first images such that the integral time adjusting unit compares intensities of the first images to a reference intensity and determines an adjusted integral time when the change in the integral time is detected, and when the change in the integral time is detected, the pixel array generates second images that are subsequent to the first images by applying the adjusted integral time determined by the integral time adjusting unit based on the first images.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 11, 2013
    Inventors: Pravin Rao, Ilia Ovsiannikov
  • IMAGE SENSOR, METHOD OF SENSING IMAGE, AND IMAGE CAPTURING APPARATUS INCLUDING THE IMAGE SENSOR
    Publication number: 20130176426
    Abstract: The image sensor for sensing an image of an object by receiving reflected light obtained after output light is reflected by the object includes a pixel array that includes color pixels and depth pixels which receive the reflected light and a shuttering unit that facilitates outputting of color pixel signals by resetting the color pixels in units of a color integration time and reading the color pixels in units of the color integration time, and facilitates outputting depth pixel signals by resetting the depth pixels in units of a depth integration time, different from the color integration time, and reading the depth pixels in units of the depth integration time.
    Type: Application
    Filed: January 10, 2012
    Publication date: July 11, 2013
    Inventors: Ilia Ovsiannikov, Pravin Rao
  • IMAGE SENSOR, IMAGE SENSING METHOD, AND IMAGE PHOTOGRAPHING APPARATUS INCLUDING THE IMAGE SENSOR
    Publication number: 20130176550
    Abstract: An image sensor includes a pixel array sensing a plurality of modulation signals having different phases from the reflected light and outputting pixel output signals corresponding to the plurality of modulation signals, a depth information calculation unit for estimating a delay between the output light and the reflected light from images formed from the pixel output signals and calculating depth information regarding the object, and an integration time register. When integration times corresponding to the images used to calculate the depth information in the depth information calculation unit are different from each other, the integration time register obtains a gain corresponding to a difference between the integration times and the depth information calculation unit applies the gain to images having different integration times.
    Type: Application
    Filed: January 10, 2012
    Publication date: July 11, 2013
    Inventors: Ilia OVSIANNIKOV, Pravin Rao
  • Method, apparatus, and system for reduction of line processing memory size used in image processing
    Patent number: 8462377
    Abstract: A method, apparatus, and system are provided by which image line data of an image frame is compressed before being stored to image line memory used in multiple image line processing.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: June 11, 2013
    Assignee: Aptina Imaging Corporation
    Inventor: Ilia Ovsiannikov
  • Method and apparatus for image noise reduction using noise models
    Patent number: 8442345
    Abstract: A method and apparatus for processing imager pixel signals to reduce noise. The processing includes receiving a target pixel signal, receiving at least one neighboring pixel signal, formulating a dynamic noise signal based at least in part on a value of the target pixel signal, and controlling a noise reduction operation using the dynamic noise signal.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: May 14, 2013
    Assignee: Micron Technology, Inc.
    Inventor: Ilia Ovsiannikov