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).

  • Multi-sensing touch panel and display apparatus using the same
    Patent number: 8587561
    Abstract: A multi-sensing touch panel and a display apparatus using the same are provided. The multi-sensing touch panel includes: a touch pad including an input surface; at least one infrared ray source which irradiates infrared rays to the touch pad; and a camera array including a plurality of infrared ray cameras which are disposed below the touch pad and inclined with respect to a plane of the input surface.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: November 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woon-bae Kim, Jong-oh Kwon, Seung-wan Lee, Du-sik Park, Min-seog Choi, Chang-kyu Choi
  • Video signal generation apparatus and method minimizing crosstalk between luminance signal and color difference signal
    Patent number: 8576244
    Abstract: Provided is a video signal generation apparatus and method that may minimize crosstalk between a luminance signal and color difference signals. The video signal generation apparatus may generate the luminance signal using a nonlinear Y signal and then generate color difference signals using a nonlinear XYZ signal to maximize a de-correlation characteristic between the luminance signal and the color difference signals.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: November 5, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seo Young Choi, Ho Young Lee, Yun-Tae Kim, Du-Sik Park, Ji Young Hong
  • DISPLAY APPARATUS FOR CONTROLLING FIELD OF VIEW
    Publication number: 20130250064
    Abstract: A display apparatus for controlling a field of view is provided. When a mode it set to a photograph mode, the display apparatus may control the field of view when photographing, by sensing an input light emitted from an object and transmitted through a first panel on which a field of view control pattern is formed, and a second panel on which an imaging pattern is formed.
    Type: Application
    Filed: January 8, 2013
    Publication date: September 26, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Joo SUH, Kwon Ju YI, Chang Kyu CHOI, Du Sik PARK
  • METHOD AND APPARATUS FOR GENERATING DEPTH INFORMATION OF AN IMAGE
    Publication number: 20130235153
    Abstract: A depth estimation and conversion apparatus and method is provided. Depth of an video may be estimated by extracting feature information from the input video, and estimating the depth of the input video based on the extracted feature information.
    Type: Application
    Filed: December 21, 2012
    Publication date: September 12, 2013
    Applicant: Dynamic Digital Depth USA, Inc.
    Inventors: Hugh Ross Sanderson, Steven Robert Pegg, Aron Baik, Yong Ju Jung, Ji Won Kim, Du-Sik Park
  • Character processing apparatus and method
    Patent number: 8531460
    Abstract: A character processing apparatus and method, wherein the character processing apparatus includes an eyesight age determination module which determines an eyesight age, and a character transformation module which transforms an input character based on character property information of the input character according to the determined eyesight age.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: September 10, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gee-young Sung, Kaida Xiao, Du-sik Park, Young-shin Kwak
  • Apparatus and method of reproducing preferred color
    Patent number: 8520939
    Abstract: An apparatus and method of reproducing a preferred color to eliminate or reduce errors caused when converting of colors of an input image in corresponding color regions of a color space, respectively, wherein the colors of an input image are included in a plurality of different color regions. The apparatus includes a region judging unit to judge whether pixels of an input image are included in one or more preset color regions, a color converting unit to execute a color conversion of the pixels in at least one conversion-desired color regions among one or more color regions that include the pixels, and an output unit to output an image formed by the color-converted pixels.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: August 27, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-young Hong, Du-sik Park, Young-shin Kwak
  • METHOD AND APPARATUS FOR CAMERA TRACKING
    Publication number: 20130182894
    Abstract: A camera pose tracking apparatus may track a camera pose based on frames photographed using at least three cameras, may extract and track at least one first feature in multiple-frames, and may track a pose of each camera in each of the multiple-frames based on first features. When the first features are tracked in the multiple-frames, the camera pose tracking apparatus may track each camera pose in each of at least one single-frame based on at least one second feature of each of the at least one single-frame. Each of the at least one second feature may correspond to one of the at least one first feature, and each of the at least one single-frame may be a previous frame of an initial frame of which the number of tracked second features is less than a threshold, among frames consecutive to multiple-frames.
    Type: Application
    Filed: April 16, 2012
    Publication date: July 18, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jiwon KIM, Guofeng Zhang, Du Sik Park, Ho Young Lee, Haomin Liu, Hujun Bao
  • APPARATUS AND METHOD FOR CONTROLLING 3D IMAGE
    Publication number: 20130169594
    Abstract: An apparatus and method for controlling a 3-dimensional (3D) image using a virtual tool are provided. The apparatus may detect a user object that controls the 3D image, and determine a target virtual tool matching movement of the user object. In addition, the apparatus may display the determined target virtual tool along with the 3D image.
    Type: Application
    Filed: August 14, 2012
    Publication date: July 4, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Kwon Ju Yi, Sung Joo Suh, Du Sik Park, Byung In Yoo, Chang Kyu Choi
  • METHOD AND APPARATUS FOR PROCESSING IMAGE SIGNAL
    Publication number: 20130156311
    Abstract: A method and apparatus for processing an image signal includes an image signal encoding apparatus and an image signal decoding apparatus that use an independent luminance and chrominance image signal to reduce a crosstalk. The independent luminance and chrominance image signal may include a luminance signal and a chrominance signal. The image signal encoding apparatus and the image decoding apparatus may perform down-sampling or up-sampling on the chrominance signal. The image signal encoding apparatus and the image decoding apparatus may increase a compression efficiency of the independent luminance and chrominance image signal, by applying different quantization parameters and different bit-depths to the luminance signal and the chrominance signal, respectively.
    Type: Application
    Filed: April 17, 2012
    Publication date: June 20, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seo Young CHOI, Kwan Jung OH, Ho Cheon WEY, Du Sik PARK, Ho Young LEE
  • Apparatus and method for improving visibility of image
    Patent number: 8463067
    Abstract: An apparatus and method for improving visibility of an image. The apparatus includes: an image input module receiving an image; an illuminance sensing module sensing external illuminance; a visibility compensating module compensating the input image by mapping the input image from a first color gamut to a second color gamut on the basis of the sensed external illuminance; and an image output module outputting the compensated image.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: June 11, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-ji Kim, Hyun-wook Ok, Du-sik Park, Yang-ho Cho
  • Apparatus and method of up-converting frame rate of decoded frame
    Patent number: 8457205
    Abstract: An apparatus and method of up-converting a frame rate using frames that are decoded from a video decoder and motion information, the apparatus including: a motion vector resampling unit to resample a motion vector for the interpolated frame by filtering a motion vector of a current block using the motion vector of the current block and motion vectors of adjacent blocks in the decoded frame; a motion compensating unit to compensate a motion of the decoded frame by the resampled motion vector to produce the interpolated frame; and a switch to selectively output one of the decoded frame and the interpolated frame according to the sequential order of the frames.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: June 4, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Aron Baik, Du-sik Park
  • METHOD AND APPARATUS FOR RECOVERING DEPTH INFORMATION OF IMAGE
    Publication number: 20130136299
    Abstract: An image processing apparatus and method may estimate binocular disparity maps of middle views from among a plurality of views through use of images of the plurality of views. The image processing apparatus may detect a moving object from the middle views based on the binocular disparity maps of the frames. Pixels in the middle views may be separated into dynamic pixels and static pixels through detection of the moving object. The image processing apparatus may apply bundle optimization and a local three-dimensional (3D) line model-based temporal optimization to the middle views so as to enhance binocular disparity values of the static pixels and dynamic pixels.
    Type: Application
    Filed: March 29, 2012
    Publication date: May 30, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jiwon Kim, Guofeng Zhang, Du Sik Park, Ho Young Lee, Hujun Bao, Wenzhuo Yang
  • Apparatus and method for displaying three dimensional image
    Patent number: 8451324
    Abstract: Disclosed are a 3D image display apparatus and method. The 3D image display apparatus may adjust a number of viewpoints of a 3D image, distance between viewpoints, and other parameters through varying a display pattern of a viewing zone generating unit and a distance between an image display unit and the viewing zone generating unit. Accordingly, the 3D image display apparatus may effectively express the 3D image suitable for various viewing circumstances.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: May 28, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju Yong Park, Gee Young Sung, Du-Sik Park, Dong Kyung Nam, Yun-Tae Kim
  • Method and apparatus for converting skin color of image
    Patent number: 8452091
    Abstract: An image-processing method that converts a skin color of an image is provided, the method including detecting a face region of an image, when a face region is detected in the image, verifying whether the face region is a face by analyzing the characteristics of the face region, and when the region is determined to be a face, extracting a skin region in the image, and converting the skin color of the extracted skin region into a desired skin color.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: May 28, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-hwa Oh, Young-shin Kwak, Du-sik Park, Chang-yeong Kim
  • Frame rate conversion apparatus and method for ultra definition image
    Patent number: 8427579
    Abstract: A frame rate conversion apparatus and method for an Ultra-High Definition (UD) image. The frame rate conversion apparatus may store a previous frame and a current frame of an edge of an input image, divided into N images, and insert an interpolation frame between the current frame and the previous frame. Also, the frame rate conversion apparatus may convert a frame rate of each of the N images.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: April 23, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Kwon Ju Yi, Jae Joon Lee, Du Sik Park
  • Method and apparatus for contrast enhancement
    Patent number: 8411987
    Abstract: A method of enhancing a contrast and an apparatus for enhancing a contrast are provided. The method of enhancing the contrast includes: dividing an image into a plurality of blocks and calculating an average luminance value of each block; interpolating a peripheral luminance value for each input pixel of the image by using the average luminance value; and enhancing the contrast of the input pixel by using the interpolated peripheral luminance value of the input pixel and a unique luminance value of the input pixel.
    Type: Grant
    Filed: January 3, 2008
    Date of Patent: April 2, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Ran Han, Seung Sin Lee, Du-Sik Park
  • Apparatus and method for color reproduction
    Patent number: 8411936
    Abstract: A color-reproduction system is provided. The system includes an image-content-analysis unit that analyzes the color distribution of pixels that constitute an inputted image, a parameter-prediction unit that predicts scaling parameters based on the attribute information on the pixels, the color distribution, and the image size information, and a luminance-chroma-determination unit that determines the final luminance and chroma of the pixels using the predicted parameters.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: April 2, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kaida Xiao, Du-sik Park
  • Color display apparatus having pixel pattern including repeating units
    Patent number: 8400480
    Abstract: Disclosed herein is a color display apparatus which has a pixel pattern including a plurality of repeating units of a pixel array, wherein each of the plurality of repeating units of the pixel array is composed of at least five sub-pixels while including at least one sub-pixel from a first to fourth sub-pixel, respectively, the first sub-pixel representing a red color (R), the second sub-pixel representing a green color (G), the third sub-pixel representing a blue color (B), and the fourth sub-pixel representing a mixed color of at least two colors from among the R, G, and B, and each of the plurality of repeating units of the pixel array corresponds to at least two image pixels.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: March 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun Tae Kim, Chang Yeong Kim, Du-Sik Park, Seung Sin Lee, Wonhee Choe, Joo Hyung Lee, Jong Woung Park
  • System and method for enhancing saturation of RGBW image signal
    Patent number: 8384653
    Abstract: A system and method for improving the saturation of a red-green-blue-white (RGBW) image signal, the system including: an image signal classification unit to classify a frame of an image signal into an image classification unit using an image classification parameter based on a luminance and a saturation of the frame; a backlight luminance controller to increase a backlight luminance with respect to the frame if the image classification unit thereof is a saturation improvement target; and a W sub-pixel controller to decrease a luminance of a W sub-pixel of the frame according to an amount of increase in the backlight luminance.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: February 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yun-Tae Kim, Du-Sik Park, Ju Yong Park
  • Apparatus and method to concurrently display two and three dimensional images
    Patent number: 8368745
    Abstract: An image display apparatus and method to simultaneously display two dimensional (2D) and three dimensional (3D) images with minimized visual 3D discomfort. The image display apparatus may include a lens unit to spatially separate images displayed in a display panel unit to thereby simultaneously form a 2D image viewing area and a 3D image viewing area, respectively, enabling the simultaneous displaying of the 2D images and the 3D images.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: February 5, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Kyung Nam, Yun-Tae Kim, Du-Sik Park