Patents by Inventor Seong-deok Lee

Seong-deok Lee 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).

  • APPARATUS AND METHOD OF GENERATING TOMOGRAPHIC IMAGE
    Publication number: 20130289938
    Abstract: A method of generating a tomographic image includes detecting an interference signal containing cross-sectional information of a target object as raw data of the target object, the raw data being phase-modulated in a first direction with respect to a cross section of the target object; demodulating the raw data by adjusting at least one parameter of a filter function defining filtering using a fixed window size; and generating a tomographic image of the target object by performing signal processing on the demodulated raw data.
    Type: Application
    Filed: April 26, 2013
    Publication date: October 31, 2013
    Applicants: Korea University Research and Business Foundation, Samsung Electronics Co., Ltd.
    Inventors: Jae-guyn Lim, Beop-min Kim, Won-zoo Chung, Hyun-woo Jeong, Seong-deok Lee, Woo-young Jang
  • Method, medium, and apparatus for setting exposure time
    Patent number: 8537269
    Abstract: A method, medium, and apparatus for setting an exposure time is provided. The apparatus includes a section setting module which sets one or more luminance sections based on a luminance distribution of an input image, an image division module which divides the input image into two or more regions, a region classification module which classifies the regions into the luminance sections, and an exposure-time setting module which sets an exposure time for each of the regions with reference to a target luminance value, the target luminance value being set based on the results of the classification performed by the region classification module.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: September 17, 2013
    Assignees: Samsung Electronics Co., Ltd., Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae-hyun Kwon, Won-hee Choe, Seong-deok Lee, Hyun-chul Song, Kang-eui Lee
  • Apparatus and method to generate image
    Patent number: 8515206
    Abstract: An apparatus and method to generate an image in which images having different exposure amounts are generated are provided. The apparatus and method synthesize the generated images and a high-sensitivity (or quality) image can be generated. The apparatus to generate an image includes an exposure adjustment unit to adjust an exposure amount, an image generation unit to generate a plurality of images of different exposure amounts and different resolutions, and an image synthesis unit to synthesize the plurality of generated images.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: August 20, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Seong-deok Lee
  • Method and apparatus for bit resolution extension
    Patent number: 8514241
    Abstract: A bit-resolution-extension method is provided. The resolution extension method includes normalizing n-m upper bit values of adjacent pixels based on an upper n-m bit value of each pixel of a sample image, analyzing a statistical distribution of a lower m bit value of the reference pixel by patterns of a set consisting of the normalized adjacent pixels, generating a memory address from normalized adjacent pixel values of the sample image, saving a representative value of the lower m bits by patterns to the memory address as a result of the analysis, normalizing adjacent pixel values based on each pixel value of an input image, generating the memory address from the normalized adjacent pixel value of the input image, reading a representative value of the lower m bits saved in the memory address, and adding the read lower m bits to the input image pixel values as lower bits.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: August 20, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Aron Baik, Chang-yeong Kim, Seong-deok Lee
  • High dynamic range image generating apparatus and method
    Patent number: 8508619
    Abstract: A high dynamic range (HDR) image generating apparatus and method is provided. The HDR image generating apparatus may set an auto-exposure time, a long exposure time, a short exposure time, and a reference exposure time. The auto-exposure time may be set to be shorter than the long exposure time, the short exposure time may be set to be shorter than the auto-exposure time, and the reference exposure time may be set to fall within a range between the auto-exposure time and the short exposure time. The image generating apparatus may obtain a first image with the long exposure time and a second image with the reference exposure time, may correct motion in the first image and adjust a dynamic range of the second image, and then may composite the resultant first and second images to generate a high dynamic range image.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: August 13, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Hwa Oh, Sung-Chan Park, Jae-Hyun Kwon, Seong-Deok Lee, Won-Hee Choe
  • Digital auto-focusing apparatus and method
    Patent number: 8483504
    Abstract: An apparatus and method for digital auto-focus are provided. The apparatus includes a local block generator generating a local block from an input image, a distance-estimation unit estimating distances of each image of the local block, a focal-distance-setting unit setting one of the estimated distances of the local block image as a focal distance of the input image, a reblurred-image generator generating a reblurred image from the local block image, a reconstructed image generator generating an in-focus image focused to the estimated distances from the local block image, a local-block-image-matching unit matching the reblurred image to the in-focus image with different weight values based on the set focal distance, and a final-image generator generating a final image by summing the matched local block images.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: July 9, 2013
    Assignees: Samsung Electronics Co., Ltd., Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae-Guyn Lim, Joo-Young Kang, Hyun-Wook Ok, Seong-Deok Lee
  • Image capturing lens system
    Patent number: 8472797
    Abstract: Disclosed is an image capturing lens system. The image capturing lens system includes an image capturing lens group having a plurality of lenses and a phase mask located in the image capturing lens group. The phase mask may satisfy phase mask functions that are defined with respect to x and y axes such that a modulation transfer function (MTF) of light is uniformized.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: June 25, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-wook Ok, Rozhkov Oleg Vladimirovich, Shirankov Alexandr Fedororvich, Joo-young Kang, Seong-deok Lee
  • Apparatus and method for generating high ISO image
    Patent number: 8471928
    Abstract: An apparatus and method for generating a high ISO image are provided. To this end, an image may be divided into a first image having a low frequency component and a second image having a high frequency component. A brightness of the first image may be changed, and details of the second image may be restored. The first image having the changed brightness and the second image having the restored details may be synthesized.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: June 25, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Jin Yoo, Won-Hee Choe, Seong-Deok Lee, Kang-Eui Lee
  • Noise reduction method, medium, and system
    Patent number: 8467003
    Abstract: A noise reduction method, medium, and system. The noise reduction method includes calculating a noise level of an input image and removing noise from a central pixel within a window of a predetermined size in the input image using a weight determined based on a difference between signal intensities of the central pixel and a plurality of adjacent pixels within the window and the calculated noise level.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: June 18, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-jin Yoo, Seong-deok Lee
  • Apparatus and method for obtaining motion adaptive high dynamic range image
    Patent number: 8462214
    Abstract: Disclosed is an apparatus and method for obtaining a motion adaptive high dynamic range image, in which a motion degree of a first image and a second taken using different exposure times is calculated. The motion calculation intensity is adjusted based on the calculated motion degree. The motion compensation intensity involves a global motion compensation and/or a location motion compensation. Images subjected to compensation are synthesized and output, so that an image having high dynamic range is obtained.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: June 11, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Hwa Oh, Won-Hee Choe, Seong-Deok Lee, Hyun-Chul Song, Sung-Chan Park, Young-Jin Yoo, Jae-Hyun Kwon, Kang-Eui Lee
  • Method and apparatus for recognizing a plural number of faces, and method and apparatus for registering face, and an image capturing method and system
    Patent number: 8452047
    Abstract: Provided are a method and apparatus for recognizing a plurality of faces. In the method, a plurality of faces are detected from received video frames, the detected faces are sequentially recognized in predetermined frames that fall within a predetermined recognition period from among the detected frames, and then, the recognized faces are sequentially displayed. Accordingly, the amount of calculation is less than when simultaneously performing face detection and recognition on each frame.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: May 28, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-ha Lee, Jung-bae Kim, Seong-deok Lee, Young-kyoo Hwang
  • METHOD AND APPARATUS FOR PROCESSING IMAGE, AND MEDICAL IMAGING SYSTEM EMPLOYING THE APPARATUS
    Publication number: 20130129180
    Abstract: A method of processing an image is provided. The method includes estimating a thickness of an object that includes at least two materials, from a radiation image taken with radiations of at least two energy bands; and generating an image by comparing the estimated thickness to a thickness of a local region and extracting a region of interest.
    Type: Application
    Filed: July 29, 2011
    Publication date: May 23, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-goo Kang, Seok-min Han, Seong-deok Lee, Young-hun Sung, Sung-su Kim, Hyun-hwa Oh, Jae-hyun Kwon
  • MAGNETIC RESONANCE IMAGING METHOD AND APPARATUS
    Publication number: 20130127459
    Abstract: A magnetic resonance imaging (MRI) method includes applying a radio-frequency (RF) pulse to a subject including different tissues all including a same type of atomic nuclei to rotate magnetization directions of the atomic nuclei of the different tissues; applying an RF pulse sequence to the subject based on the magnetization directions of the atomic nuclei of the different tissues; and obtaining magnetic resonance signals from the different tissues in response to the RF pulse sequence.
    Type: Application
    Filed: November 4, 2012
    Publication date: May 23, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jong-bum Son, Seong-deok Lee, Jae-mock Yi
  • Modulator, apparatus for obtaining light field data using modulator, and apparatus and method for processing light field data using modulator
    Patent number: 8442397
    Abstract: A technology of acquiring and processing light field data for images is provided. A light field data acquisition apparatus includes a modulator with an attenuation pattern to spatially modulate a 4D light field for an image, and a sensor to acquire 2D signals of the spatially modulated 4D light field. By utilizing the attenuation pattern of the modulator, more spatial data may be acquired in a low angular frequency region than that acquired in a high angular frequency region.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: May 14, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-Young Kang, Byung-Kwan Park, Sang-Wook Han, Seong-Deok Lee, Won-Hee Choe, Jae-Guyn Lim
  • APPARATUS AND METHOD FOR COMPENSATING ARTIFACT IN HIGHER ORDER DIFFUSION MAGNETIC RESONANCE IMAGING (MRI)
    Publication number: 20130113481
    Abstract: An apparatus and method for compensating for an artifact of higher order diffusion Magnetic Resonance Imaging (MRI) are provided. The apparatus includes a construction unit configured to construct a diffusion q-space matrix, a correction unit configured to correct an image shift in a phase encoding direction in the constructed diffusion q-space matrix, a reconstruction processing unit configured to reconstruct a q-space of a Diffusion Spectrum Imaging (DSI) based on the corrected image shift, and a tracking processing unit to process a DSI fiber tracking using the reconstructed q-space of the DSI.
    Type: Application
    Filed: June 20, 2012
    Publication date: May 9, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Beom Kim, Byung Kwan Park, Seong Deok Lee, Jae Mock Yi
  • Multilayer image sensor
    Patent number: 8436308
    Abstract: An image sensor is provided which includes a multilayer structure having a first light receiving unit to extract a signal corresponding to color information of incident light of a visible region and a second light receiving unit to extract a signal corresponding to light of an infrared region and white light corresponding to the visible region.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: May 7, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Seong-deok Lee
  • Apparatus and method for capturing digital images
    Patent number: 8427548
    Abstract: An apparatus and method for capturing digital images are provided. The digital capturing apparatus includes an image pickup unit obtaining light field data to change a view of a captured image and refocus the captured image, and a data processor generating a refocusing image using the light field data, wherein the image pickup unit performs optical modulation on light beams to obtain light field data of the modulated light beams so that the light beams are identified when two or more of the light beams overlap, and the data processor demodulates the light field data to obtain light field data of the light beams not subjected to the optical modulation.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: April 23, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-guyn Lim, Byung-Kwan Park, Seong-deok Lee, Young-kyoo Hwang, Hyun-wook Ok, Joo-Young Kang
  • Apparatus and method for generating high sensitivity images in dark environment
    Patent number: 8406560
    Abstract: There is provided a method of and an apparatus for generating high sensitivity images in a low light level environment, the method including correcting an image acquired through short-time exposure in a low light level environment to an image corresponding to a reference exposure time defined for the low light level environment, the corrected image including a plurality of channels, detecting respective black levels for each of the channels, the detecting of the respective black levels being based on a black level intensity for the reference exposure time, adjusting the respective black levels for each of the channels of the corrected image to respective target black levels for each of the channels, and aligning a value of each of the channels using the respective target black levels.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: March 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kang-Eui Lee, Sung-Su Kim, Seong-Deok Lee, Won-Hee Choe, Young-Jin Yoo
  • Apparatus and method for capturing images
    Patent number: 8400538
    Abstract: Provided are an apparatus and a method for capturing images by applying different color filters to two pixel regions with IR blocking filters removed so that optical signals in the visible band and IR signals can be received. The apparatus includes a filter unit having a plurality of filters having different wavelength bands; a sensor unit sensing optical signals passing through the filters; and a signal-extraction unit extracting detailed optical signals in respective wavelength bands by using the difference between the sensed optical signals.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: March 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Chang-yeong Kim, Seong-deok Lee
  • Image processing apparatus and method
    Patent number: 8390728
    Abstract: An image processing apparatus may include an image frame determiner to determine one standard image frame and at least one reference image frame using light field data about a scene, a point spread function determiner to determine a point spread function based on sub-pixel displacement between the standard image frame and the at least one reference image frame, an image interpolator to interpolate the standard image frame into a high-resolution standard image frame having a higher resolution than the standard image frame, and an image restorer to restore a high-resolution image by updating the high-resolution standard image frame using the generated high-resolution standard image frame, the point spread function, and the at least one reference image frame.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: March 5, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-guyn Lim, Hyun-wook Ok, Byung-kwan Park, Seong-deok Lee, Joo-young Kang