Patents by Inventor Sung Dae Cho

Sung Dae Cho 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).

  • Patent number: 8411981
    Abstract: Provided is an image processing method and apparatus for removing blur in a screen image, including detecting blur in an input image, segmenting the image according to an amount of the detected blur, performing a high pass filtering of the segmented image in a horizontal direction and a vertical direction, detecting corresponding weights by using corresponding coefficients of each direction obtained from filtering; and restoring the image by applying the detected weights to one of: an iterative form or a closed form of an image restoration.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: April 2, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Kyu Park, Sung-Dae Cho
  • Patent number: 8411171
    Abstract: Provided is an apparatus and a method for generating an image including multiple people, in which images are photographed, face images are detected from each of the photographed images, a face score for each of the face images detected from the photographed images is calculated, it is determined whether each of the face scores calculated for each of the face images is at least equal to a predetermined threshold, and each of face images having a highest face score for each of the face images is synthesized, to output the synthesized image as a final image, in order to generate a most satisfactory photographed image for a user.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: April 2, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Chang-Han Kim, Tae-Hwa Hong, Chung-Hoon Kim, Sung-Dae Cho
  • Patent number: 8406557
    Abstract: A lens shading correction method and apparatus are provided for removing vignetting occurring in digital images due to lens shading. A white image captured by an image pickup device and an image pickup unit is separated into reference white images corresponding to color channels. A vignetting center having a maximum light intensity is estimated in each of the reference white images. Multiple reference segments on each of the reference white images are defined. A lens shading correction value corresponding to each pixel constituting the reference segments are calculated using a corresponding light intensity. A lens shading correction function corresponding to each reference segment is derived using a corresponding lens shading correction value. Vignetting of a general image received in a general image processing mode is removed, using the derived multiple lens shading correction functions.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: March 26, 2013
    Assignees: Samsung Electronics Co., Ltd, Industry-Academic Cooperation Foundation Yonsei University
    Inventors: Min-Kyu Park, Hee-Chan Park, Jin-Ho Kim, Ji-Hye Kim, Sung-Dae Cho, Moon-Gi Kang, Chang-Won Kim, Hyun-Mook Oh
  • Patent number: 8355593
    Abstract: Disclosed is an image restoring apparatus and a method thereof, which sets a restoration image area to establish a portion of a target image area to be restored as a restoration image area to be restored with priority according to a request for an image restoration; sets a search area to establish an area with a predetermined size including the restoration image area as a search area; detects a similar image area to search for the most similar image area to the restoration image area within the search area; and reconstructs the deteriorated image in a natural manner by copying the image of the detected similar image area and attaching the same to the restoration image area.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: January 15, 2013
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Young-Min Jeong, Sung-Dae Cho, Byung-Jun Son
  • Publication number: 20130002808
    Abstract: Disclosed is a method for photographing a panoramic image including the steps of recognizing movement of a corresponding photographing apparatus by comparing a current real-time input image with a previous image through a motion estimation mechanism with exposure compensation, determining a time to photograph each next picture by determining whether movement in a photography direction reaches a preset threshold value, and photographing each next picture by manual or automatic operation at the determined time.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 3, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Won MOON, Soo-Kyun KIM, Sung-Dae CHO, Yun-Je OH, Hee-Won JUNG, Nam-Ik CHO, Sang-Hwa LEE, Seong-Jong HA
  • Patent number: 8345338
    Abstract: Disclosed is a method for evaluating the qualities of the user's color vision by means of the FM chromaticity test or directly measuring the defective factors of the user causing the color blindness. Thus it modifies the color composition of a video displaying apparatus according to a numerical analysis of the color and degree of color blindness specific to each dichromatic individual, so that he may perceive the same colors as the normal person. Also discloses is an apparatus for performing the method steps described herein.
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: January 1, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Min Jeong, Seok-Jin Won, Sung-Dae Cho, Sang-Wook Oh, Kyoung-Ju Park, Jung-Hoon Park, Jae-Won Moon, Young-Ho Ha, Cheol-Hee Lee, Chang-Hwan Son, Jong-Man Kim
  • Publication number: 20120320181
    Abstract: An apparatus and a method for security using the face authentication is provided. The apparatus includes a face detector for detecting a facial region in an input image; a face guide region generator for generating a face guide region for authenticating a face in the input image, and displaying the generated face guide region on a screen; an image capturer for capturing the input image when the detected facial region is matched with the face guide region; a facial feature extractor for extracting information regarding features of the face from the captured input image; and a facial feature storage unit for storing the extracted information regarding the features of the face.
    Type: Application
    Filed: June 18, 2012
    Publication date: December 20, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae-Hwa Hong, Hong-II Kim, Joo-Young Son, Sung-Dae Cho, Yun-Jung Kim
  • Patent number: 8330797
    Abstract: A method for photographing a panoramic picture includes the steps of checking motion of a corresponding photographing apparatus compares currently input images and previous images in real time through a motion estimation technique employing exposure compensation. Respective images constituting a panoramic picture are photographed, and image photography information is checked that includes focus distance and optical magnification to calculate actual photography range distance of the images. A pre-set threshold is set in consideration of a calculated actual photography range distance of the images. The checked motion is confirmed as to whether the pre-set threshold has been reached, and photography time points of the respective images are determined. The respective images are photographed according to a manual mode or an automatic mode at the photography time point of the respective images.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: December 11, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo-Kyun Kim, Jae-Won Moon, Sung-Dae Cho, Yun-Je Oh, Hee-Won Jung
  • Patent number: 8331729
    Abstract: A block-based object counting apparatus and a block-based object counting that improves the counting of objects by using a camera. The object counting apparatus includes: a camera acquiring an image; a storage unit for storing average sizes and error data of an object in units of image blocks; and a control unit having a data inputter for receiving the acquired image for input, an object size determinator for determining appearance of the object by comparing a current image with a previous image and then determining the size of the object, a block determinator for determining a block where the object is located, and a counter for counting the object and fixing the counting of the object by comparing the size and location data of the object with data stored in a storage unit.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: December 11, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Hee Park, Sung Dae Cho, Min Kyu Park
  • Patent number: 8325387
    Abstract: Disclosed is a method and an apparatus for dithering a pixel value in a image. The method includes checking a difference in chrominance signals between a particular pixel and a pixel adjacent to the particular pixel, in an input image, designating the particular pixel as being in a flat or a non-flat area in consideration of the difference in chrominance signals and dithering the particular pixel when the pixel is designated as being in the non-flat area.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: December 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Woo Lee, Min-Kyu Park, Sung-Dae Cho
  • Patent number: 8325197
    Abstract: A method for high-speed image processing based on graphic processing unit includes processing an input image for the image processing in a texture format of a 32 bit floating point, and performing a predetermined algorithm for the image processing on the input image through at least one or more Framebuffer Object (FOB) and outputting the result as texture data.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: December 4, 2012
    Assignees: Samsung Electronics Co., Ltd., Inha-Industry Partnership Institute
    Inventors: Seok-Jin Won, Yun-Je Oh, Sung-Dae Cho, Tae-Hwa Hong, Soo-Kyun Kim, Min-Woo Lee, In-Kyu Park, Man-Hee Lee
  • Patent number: 8325218
    Abstract: A color setting apparatus and method for a system for reproducing multimedia data are provided. The apparatus includes a color setting controller for displaying a closed curve band divided into at least two equal-sized sections each containing a different color, and a setting band having at least two sections for indicating change of a set value of each of the colors on a screen, and for changing the set value of a selected color and displaying the changed color according to the changed set value on the screen. The color setting controller increases or decreases the size of the section for indicating change of the set value according to the set value.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: December 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Wook Oh, Sung-Dae Cho, Young-Min Jeong
  • Patent number: 8310522
    Abstract: Disclosed is a method for photographing a panoramic image. The method includes comparing an current image input with a previous image to obtain a motion information of a corresponding photographing apparatus, when photographing respective images forming the panoramic image, recognizing a degree of movement of the corresponding photographing apparatus at least based on the obtained motion information, and photographing corresponding image by a manual input or automatically when the recognized degree of movement is satisfied with a pre-set movement distance reference.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: November 13, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Min Jeong, Sung-Dae Cho, Hee-Won Jung
  • Patent number: 8279264
    Abstract: Disclosed is a method for photographing a panoramic image including the steps of recognizing movement of a corresponding photographing apparatus by comparing a current real-time input image with a previous image through a motion estimation mechanism with exposure compensation, determining a time to photograph each next picture by determining whether movement in a photography direction reaches a preset threshold value, and photographing each next picture by manual or automatic operation at the determined time.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: October 2, 2012
    Assignees: Samsung Electronics Co., Ltd., Seoul National University Industry Foundation
    Inventors: Jae-Won Moon, Soo-Kyun Kim, Sung-Dae Cho, Yun-Je Oh, Hee-Won Jung, Nam-Ik Cho, Sang-Hwa Lee, Seong-Jong Ha
  • Patent number: 8279288
    Abstract: A method for photographing a panoramic picture, and for identifying motion of a photographing apparatus to automatically photograph respective images of a panoramic picture.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-Jun Son, Soo-Kyun Kim, Tae-Hwa Hong, Sung-Dae Cho, Sang-Wook Oh
  • Patent number: 8265407
    Abstract: A method for coding three-dimensional (3D) data, and more particularly for coding geometry data included in the 3D data. The method includes: generating a bounding box including a vertex of the 3D data based on information included in the geometry data; dividing the bounding box into a plurality of partitions having an equal size; identifying a number of vertices included in each divided partition; appointing a divided partition as a leaf cell based on the identified number of vertices; and coding the geometry data using information on the dividing of the bounding box, information on vertices included in each divided partition, and information indicating the position of a vertex included in the leaf cell, when a divided partition is subdivided.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: September 11, 2012
    Assignees: Samsung Electronics Co., Ltd, Hongik University Industry-Academia Cooperation Foundation
    Inventors: Soo-Kyun Kim, Sang-Wook Oh, Byung-Jun Son, Tae-Hwa Hong, Sung-Dae Cho, Hae-Young Lee, Dae-Young Kim, Sung-Yeol Lee, Nak-Kwon Lim
  • Patent number: 8249390
    Abstract: A method for taking a panorama mosaic photograph includes displaying a partial image of a previously taken image as a guide image on a viewer of an image to be currently taken and taking a number of images constituting the panorama mosaic photograph according to a photography operation; projecting the taken images onto a common cylindrically curved surface; and joining the projected images into a single image.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: August 21, 2012
    Assignees: Samsung Electronics Co., Ltd., Seoul National University-Industry Foundation
    Inventors: Kyoung-Ju Park, Sung-Dae Cho, Soo-Kyun Kim, Jae-Won Moon, Nam-Ik Cho, Sang-Hwa Lee, Hyung-Il Koo, Seong-Jong Ha
  • Publication number: 20120200589
    Abstract: A method and an apparatus for brightness-controlling image conversion. The method includes converting an input image of a first non-linear color space into a second linear color space; determining a brightness control ratio; adjusting channels of the second linear color space according to the brightness control ratio; converting the second linear color space into the first non-linear color space to form an output image.
    Type: Application
    Filed: February 9, 2012
    Publication date: August 9, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Byung-Seok MIN, Hyun-Hee Park, Dong-Hoon Jang, Sung-Dae Cho
  • Patent number: 8217989
    Abstract: A panoramic picture photographing method permits more accurate photographing of an image, particularly a panoramic image of a subject, without additional equipment, or separate devices and hardware. The method includes projecting an image, which is successively inputted in every predetermined unit of time, to an imaginary surface having a same focal distance in photographing each image constituting a panoramic picture to obtain a projected image; confirming movement of a corresponding photographing apparatus so that the projected image is compared with a previous image in real time by using a motion estimation technique, to which exposure correction has been applied; determining a photographing time point of each image by confirming the confirmed movement of the corresponding photographing apparatus according to a photographing direction has reached a predetermined critical value; and photographing each image at the photographing time point of each image according to a passive input or automatically.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: July 10, 2012
    Assignees: Samsung Electronics Co., Ltd., Seoul National University Industry Foundation
    Inventors: Soo-Kyun Kim, Jae-Won Moon, Sung-Dae Cho, Sang-Wook Oh, Byung-Jun Son, Tae-Hwa Hong, Hee-Won Jung, Nam-Ik Cho, Sang-Hwa Lee, Seong-Jong Ha
  • Publication number: 20120113211
    Abstract: Apparatus and method for configuring a screen for a video call using a facial expression by recognizing a face from an image, calculating facial expression information for an expression of the recognized face, and determining whether there is a change in expression of the recognized face by comparing the calculated facial expression information with reference expression information preset to determine a change in expression of the face. If there is a change in expression of the recognized face, the apparatus and method selects a video image corresponding to the changed expression in the video call screen, and reconfigures the video call screen using the selected video image, making it possible for a user to conveniently select an image of the interested person without taking extensive action, and preventing a wrong image from being selected due to the unintended user facial movement.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 10, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ji-Young YI, Sung-Dae Cho, Kee-Hyon Park, Jong-Man Kim, Jin-Ho Kim, Chul-Hwan Lee, Dong-Hoon Jang