Patents by Inventor Du-sik Park

Du-sik Park 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, METHOD AND COMPUTER-READABLE MEDIUM PROVIDING MARKER-LESS MOTION CAPTURE OF HUMAN
    Publication number: 20110249865
    Abstract: Provided are an apparatus, method and computer-readable medium providing marker-less motion capture of a human. The apparatus may include a two-dimensional (2D) body part detection unit to detect, from input images, candidate 2D body part locations of candidate 2D body parts; a three-dimensional (3D) lower body part computation unit to compute 3D lower body parts using the detected candidate 2D body part locations; a 3D upper body computation unit to compute 3D upper body parts based on a body model; and a model rendering unit to render the model in accordance with a result of the computed 3D upper body parts.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 13, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seung Sin LEE, Young Ran HAN, Michael NIKONOV, Pavel SOROKIN, Du-Sik PARK
  • METHOD FOR SUSPENSION SENSING IN INTERACTIVE DISPLAY, METHOD FOR PROCESSING SUSPENSION SENSING IMAGE, AND PROXIMITY SENSING APPARATUS
    Publication number: 20110248918
    Abstract: Provided is a method for proximity sensing in an interactive display and a method of processing a proximity sensing image. The method for proximity-sensing may include suspending, in a three-dimensional (3D) space, at least one hand of a user to manipulate at least one of a viewpoint of the user and a position of a virtual object displayed on a screen, and changing the virtual object by manipulating at least one of the position of the virtual object and the viewpoint of the user based on the suspending.
    Type: Application
    Filed: April 6, 2011
    Publication date: October 13, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: BYUNG IN YOO, DU SIK PARK, CHANG KYU CHOI
  • System and method for converting RGB to RGBW color using white value extraction
    Patent number: 8035655
    Abstract: A system and method of converting a red-green-blue (RGB) pixel to a red-green-blue-white (RGBW) pixel by using a W value extraction, the RGB-to-RGBW converting system including: a lookup table generator to generate an RGBW lookup table using one or more RGB lattice points; and an RGBW value computation unit to compute an RGBW value of an input pixel with respect to an RGB value of the input pixel based on the generated RGBW lookup table.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: October 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Tae Kim, Du-Sik Park, Ju Yong Park
  • TOUCH OBJECT AND PROXIMATE OBJECT SENSING APPARATUS BY SELECTIVELY RADIATING LIGHT
    Publication number: 20110221705
    Abstract: Provided is a touch object and proximate object sensing apparatus by selectively radiating a light. An object sensing apparatus may separately use a touch light source to sense a touch image generated by an object touching a light guide, and a hovering light source to sense a target image generated by an object proximate to the light guide. The light guide may emit, to an upper portion of the light guide, an invisible light radiated from the hovering light source to enhance a sensation of sensing the proximate object.
    Type: Application
    Filed: March 11, 2011
    Publication date: September 15, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwon Ju YI, Chang Kyu Choi, Du Sik Park, Jae Joon Han, Byung In Yoo, Sung Joo Suh
  • Apparatus, method and computer-readable medium imaging through at least one aperture of each pixel of display panel
    Publication number: 20110221888
    Abstract: Provided is an imaging apparatus, method and computer-readable medium that photographs an object through at least one aperture of each of pixel of a display panel. The imaging apparatus includes a camera unit in back of the display panel and photographs the object through the at least one aperture of each of the pixels of the display panel to enable a location of the camera unit to be the same as a location of a display unit, measures a distance to the object using a blur effect occurring when photographing through the at least one aperture of the display panel, and restores an image where the blur effect is included.
    Type: Application
    Filed: November 8, 2010
    Publication date: September 15, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Kyu Choi, Jae Joon Han, Byung In Yoo, Du Sik Park, Kwon Ju Yi, Sung Joo Suh
  • System, medium, and method with noise reducing adaptive saturation adjustment
    Patent number: 8009905
    Abstract: A system, medium, and method with noise reducing adaptive saturation adjustment. The system with adaptive saturation adjustment includes a luminance value extracting unit extracting luminance values of an input image, and a saturation adjusting unit adjusting saturation components of the input image on the basis of the extracted luminance values.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: August 30, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Du-sik Park
  • Method and apparatus for reducing noise of image sensor
    Patent number: 8004586
    Abstract: An apparatus and a method for reducing noise from an image sensor are provided. The apparatus includes a noise-estimation unit which estimates a noise level representing an image frame expressed as a component in a color space, a filter-strength-calculation unit which determines filter strength based on the estimated noise level, and a filter-application unit which filters pixels constituting the image frame according to the determined filter strength.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: August 23, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-jin Yoo, Ho-young Lee, Du-sik Park, Seong-deok Lee, Seung-sin Lee
  • Method, medium and system processing image signals
    Patent number: 7983506
    Abstract: A method, medium and system processing an image signal. The system includes an edge detection module to detect a pixel belonging to an edge in an input image, a period determination module to determine a period of change in pixel values based on a first value of the pixel belonging to the edge and a second value of a pixel that is adjacent to the pixel belonging to the edge, and a signal correction module to correct one or more sub-pixels of the pixel belonging to the edge using a weight allocated according to a result of the determination performed by the period determination module.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: July 19, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won-hee Choe, Chang-yeong Kim, Du-sik Park
  • Apparatus and method to improve clarity of image
    Patent number: 7974490
    Abstract: Disclosed are an apparatus and method to improve clarity of images, which can prevent the degradation of the clarity of a display unit caused by deterioration of a contrast characteristic. The apparatus includes: an artifact reducing unit determining a representative color of one of the images and moving a color of an edge as the determined representative color; a filter extracting a high frequency component of the image; and a sharpness enhancement unit improving the clarity of the image having the color of the edge moved and the filtered high frequency component.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: July 5, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-young Lee, Du-sik Park, Hyun-hwa Oh
  • IMAGE PROCESSING APPARATUS AND METHOD
    Publication number: 20110157208
    Abstract: Provided is an image processing apparatus. The image processing apparatus may synthesize an input frame with texture information of another frame and provide an output frame with an enhanced texture component.
    Type: Application
    Filed: October 19, 2010
    Publication date: June 30, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu Young HWANG, Yang Ho Cho, Ho Young Lee, Du Sik Park
  • Apparatus and method of converting image signal for six color display device, and six color display device having optimum subpixel arrangement
    Patent number: 7969448
    Abstract: A method of converting image signals for a display device including six-color subpixels is provided, which includes: classifying three-color input image signals into maximum, middle, and minimum; decomposing the classified signals into six-color components; determining a maximum among the six-color components; calculating a scaling factor; and extracting six-color output signals.
    Type: Grant
    Filed: November 20, 2004
    Date of Patent: June 28, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Chol Yang, Seong-Deok Lee, Chang-Yeong Kim, Mun-Pyo Hong, Nam-Seok Roh, Won-Hee Choe, Hyun-Wook Ok, Ho-Young Lee, Du-Sik Park, Keun-Kyu Song
  • Apparatus and method for modifying arrangement of colors
    Patent number: 7953273
    Abstract: An apparatus and method for modifying an arrangement of colors of an input image to satisfy a user preference in consideration of color composition of the input image, the apparatus including: an extraction unit extracting one or more dominant colors from an input image; a center-of-gravity calculation unit calculating a first position of a center of gravity based on a position of each dominant color in a color space; a parameter calculation unit calculating a parameter for modifying the color arrangement of the input image based on the first position and a second position to which the center of gravity is moved from the first position according to a predetermined standard; and a control unit modifying the color arrangement of the input image according to the parameter.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: May 31, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gun-woo Nam, Du-sik Park, Young-shin Kwak
  • MULTI-TOUCH AND PROXIMATE OBJECT SENSING APPARATUS USING SENSING ARRAY
    Publication number: 20110115749
    Abstract: A multi-touch and proximate object sensing apparatus using a sensing array is provided. The multi-touch and proximate object sensing apparatus may sense a touch image or a target image by sensing an invisible light which is projected to a diffuser through the sensing array. Also, the multi-touch and proximate object sensing apparatus may display an image on a display panel by controlling a location of the sensing array and a visible light source, without a backlight unit.
    Type: Application
    Filed: November 15, 2010
    Publication date: May 19, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwon Ju YI, Chang Kyu Choi, Jae Joon Han, Du-Sik Park
  • Multi-focal camera apparatus and methods and mediums for generating focus-free image and autofocus image using the multi-focal camera apparatus
    Patent number: 7944498
    Abstract: A multi-focal camera apparatus and methods and mediums for generating a focus-free image and an autofocus image using the multi-focal camera apparatus are provided. The multi-focal camera apparatus includes a lens module which comprises a plurality of lenses that concentrate light incident thereupon, and an image-sensor module which comprises a plurality of sensing zones respectively corresponding to the lenses, and obtains a plurality of images by converting beams of light that transmit through the lenses into electrical signals using the sensing zones, wherein the lenses have the same optical properties and are different distances apart from the respective sensing zones.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: May 17, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gee-young Sung, Heui-keun Choh, Du-sik Park, Young-ran Han, Yun-tae Kim
  • Image processing apparatus and method for enhancing depth perception
    Publication number: 20110109620
    Abstract: An image processing apparatus and a method for enhancing depth are disclosed. The image processing apparatus may classify an input image into a foreground layer, a middle layer, a background layer, may calculate a representative color of each of the classified layers, and perform rendering of a color stereoscopy of the middle layer and a color stereoscopy of the background layer based on the representative color and a lightness of the background layer, thereby enhancing a stereoscopic effect and a depth. Also, a color temperature of the foreground layer and a color temperature of the middle layer are controlled based on the representative color and the background layer, to generate a difference in depth between the middle layer and the foreground layer, thereby representing an image having a more enhanced depth.
    Type: Application
    Filed: October 20, 2010
    Publication date: May 12, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Young Hong, Ho Young Lee, Du Sik Park
  • Method and apparatus for enhancing contrast
    Patent number: 7940997
    Abstract: A method of enhancing contrast includes obtaining a first luminance histogram of an input image; generating a second luminance histogram through pixel redistribution for the first luminance histogram; computing a conversion function based on both a first cumulative density function based on the first luminance histogram and a second cumulative density function based on the second luminance histogram; and changing the luminance distribution of the input image based on the conversion function.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: May 10, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-ran Han, Seong-deok Lee, Du-sik Park
  • High density multi-view image display system and method with active sub-pixel rendering
    Publication number: 20110102423
    Abstract: Provided are a high density multi-view image display system and method based on active sub-pixel rendering. The image display system may perform a rendering with respect to a viewpoint image in a pixel unit, using a viewpoint varying based on a position of left/right eyes of a user.
    Type: Application
    Filed: November 4, 2010
    Publication date: May 5, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Kyung Nam, Du-Sik Park, Gee Young Sung, Chang Yeong Kim, Yun-Tae Kim, Ju Yong Park
  • Markerless motion capturing apparatus and method
    Publication number: 20110085704
    Abstract: A markerless motion capturing apparatus and method is provided. The markerless motion capturing apparatus may track a pose and a motion of a performer from an image, inputted from a camera, without using a marker or a sensor, and thereby may extend an application of the markerless motion capturing apparatus and selection of a location.
    Type: Application
    Filed: October 12, 2010
    Publication date: April 14, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Ran Han, Seung Sin Lee, Du-Sik Park
  • System and method producing high definition video from low definition video
    Publication number: 20110075025
    Abstract: Provided is system and a method of producing a high definition video from a low definition video. According to one or more embodiments, the method performs a trajectory estimation and a matching operation only with respect to a feature region pixel of a previous frame of the low definition video, which is different from all pixels of the previous frame, thereby reducing an amount of computation to improve efficiency of a memory, producing the high definition video in real time, and producing a more accurate high definition video with respect to a feature region.
    Type: Application
    Filed: September 21, 2010
    Publication date: March 31, 2011
    Applicant: SAMSUNG ELECTRONICS Co., LTD.
    Inventors: Yang Ho Cho, Du-sik Park, Ho Young Lee, Kyu Young Hwang
  • Apparatus and method for motion estimation of three dimension video
    Publication number: 20110069760
    Abstract: Disclosed is a 3D video motion estimating apparatus and method. The 3D video motion estimating apparatus may enable a motion vector of a color image and a motion vector of a depth image refer to each other, thereby increasing a compression rate.
    Type: Application
    Filed: August 18, 2010
    Publication date: March 24, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Young Lee, Du-sik Park, Jaejoon Lee, Ho Cheon Wey, Il Soon Lim, Seok Lee