Patents by Inventor Jae Keun Lee

Jae Keun 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).

  • Publication number: 20150341401
    Abstract: A server, method and apparatus for providing collaboration services are provided. The server includes a memory configured to store computer executable instructions, and a processor configured to process the computer executable instructions to provide a screen including a first area displaying a video of a user and a second area displaying an editable document. The processor is further configured to process the computer executable instructions to receive a selection of a point in time of the video, and provide the editable document in a state corresponding to the selected point in time of the video.
    Type: Application
    Filed: May 6, 2015
    Publication date: November 26, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jae-keun LEE
  • Publication number: 20150281342
    Abstract: A grouping method of User Equipment (UE) is provided. The grouping method includes transmitting, to a server, relational data stored in the UE using a first communication mode, and receiving, from the server, generated group information based on relational data of a plurality of UEs, wherein, in response to the first communication mode being unusable, communication is performed using a second communication mode.
    Type: Application
    Filed: March 24, 2015
    Publication date: October 1, 2015
    Inventors: Jae-keun LEE, Jin-guk JEONG
  • Publication number: 20150254867
    Abstract: Disclosed is an ultrasound image processing method. The ultrasound image processing method includes generating an ultrasound image indicating a region of interest (ROI) by using echo signals which corresponds to ultrasound waves irradiated onto the ROI, sequentially setting respective indexes in a plurality of blood flows included in the ROI detected based on the ultrasound image, determining blood flow corresponding to a selected index, based on an external signal for selecting one of the set indexes, and displaying information corresponding to the determined blood flow.
    Type: Application
    Filed: July 28, 2014
    Publication date: September 10, 2015
    Inventors: Jae-Keun LEE, Dong-Seok LEE
  • Patent number: 9107602
    Abstract: Embodiments for adaptively performing clutter filtering upon in an ultrasound system are disclosed. In one embodiment, the ultrasound system includes: an ultrasound data acquisition unit configured to transmit ultrasound signals to a target object and receive ultrasound echoes reflected from the target object to thereby acquire ultrasound data; and a processing unit configured to form a Doppler signal corresponding to each of a plurality of pixels constructing a Doppler mode image based on the ultrasound data, as well as to adjust coefficients of a clutter filter based on characteristics of the Doppler signal for each of the pixels for performing clutter filtering upon the Doppler signal.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: August 18, 2015
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Han Kwak, Jae Keun Lee, Jong Sik Kim
  • Patent number: 9008387
    Abstract: A method of processing ultrasound images, the method including operations of receiving color image data including a plurality of frames; determining one or more key-frames from among the plurality of frames, based on a brightness value of each of the plurality of frames; setting a region of interest (ROI) in each of the one or more key-frames based on brightness values of a plurality of regions included in each of the one or more key-frames; performing image compensation on the plurality of frames based on the ROIs of the one or more key-frames; and reconstructing the color image data by using the image-compensated frames.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Medison Co., Ltd.
    Inventor: Jae-keun Lee
  • Publication number: 20150019976
    Abstract: A portable terminal and a method for providing information using the same are provided. An information providing method of a portable terminal includes linking to a content playback device, detecting a movement pattern of the portable terminal using a movement detection sensor, receiving additional information related to content currently being played back by the content playback device when the detected movement pattern of the portable terminal is a predetermined pattern, and displaying the received additional information on a standby screen of the portable terminal.
    Type: Application
    Filed: July 10, 2014
    Publication date: January 15, 2015
    Inventors: Jae-keun LEE, Min-ho LEE
  • Patent number: 8870774
    Abstract: There is disclosed an embodiment for adaptive clutter filtering. A signal acquisition unit transmits and receives ultrasound signals to and from a target object to output baseband IQ signals. A memory stores an error condition, a filter decision condition and information on at least two of filters for filtering the baseband IQ signals. A user interface receives a filter selection condition for selecting at least two filters among a plurality of filters stored in the memory. A processor extracts at least two of filters from the memory according to the filter selection condition and the error condition, decides a filter among the extracted at least two of filters and filters the baseband IQ signals by using filter coefficients of the decided filter.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: October 28, 2014
    Assignee: Samsung Medison Co., Ltd.
    Inventors: Han Kwak, Jae Keun Lee
  • Publication number: 20140148689
    Abstract: Disclosed are an ultrasound system and method for providing a guideline of a needle. The ultrasound system includes an ultrasound data acquirer that transmits an ultrasound signal to an object with a needle inserted thereinto, and acquires ultrasound data corresponding to each of a plurality of ultrasound images by receiving an ultrasound echo signal reflected from the object, a user input unit that receives input information, used to set a point in an ultrasound image, from a user, and a processor that generates the plurality of ultrasound images with the ultrasound data, generates a mask image used to detect an input position of the needle by using the plurality of ultrasound images, detects the input position by using the mask image, and sets a guideline of the needle in the ultrasound image on a basis of the input position and the input information.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 29, 2014
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Jae-keun LEE, Ji-hye BAEK
  • Patent number: 8727990
    Abstract: An ultrasound system includes an ultrasound data acquisition unit and a processing unit. The ultrasound data acquisition unit transmits and receives ultrasound signals to and from a target object based on a plurality of steering angles to output a plurality of ultrasound data for obtaining a plurality of ultrasound images corresponding to the steering angles. The processing unit forms the ultrasound images based on the ultrasound data, decomposes each of the ultrasound images into a low pass image having a low frequency component and a high pass image having a high frequency component, performs a blending process of removing a seam artifact upon the low and high pass images for each of the ultrasound images, forms a plurality of restoration images by composing the blended low and high pass images, and forms an ultrasound spatial compound image based on the restoration images.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: May 20, 2014
    Assignee: Samsung Medison Co., Ltd.
    Inventors: Jeong Sik Kim, Jae Keun Lee
  • Publication number: 20130253320
    Abstract: A method of obtaining a Doppler image of tissue, which is captured using an ultrasonic wave, the method including: transmitting an ultrasonic signal to a target object such that a plurality of ensembles are formed; receiving a ultrasonic response signal from the target object; filtering the received ultrasonic response signal by using a variable filter; estimating a frequency of the received ultrasonic response signal based on the filtered data; and generating the Doppler image of the tissue based on the estimated frequency.
    Type: Application
    Filed: December 6, 2012
    Publication date: September 26, 2013
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Han KWAK, Jae-keun LEE, Hyeong-do LEE
  • Publication number: 20130182926
    Abstract: A method of processing ultrasound images, the method including operations of receiving color image data including a plurality of frames; determining one or more key-frames from among the plurality of frames, based on a brightness value of each of the plurality of frames; setting a region of interest (ROI) in each of the one or more key-frames based on brightness values of a plurality of regions included in each of the one or more key-frames; performing image compensation on the plurality of frames based on the ROIs of the one or more key-frames; and reconstructing the color image data by using the image-compensated frames.
    Type: Application
    Filed: July 9, 2012
    Publication date: July 18, 2013
    Inventor: Jae-keun LEE
  • Publication number: 20120301551
    Abstract: The present invention relates to 2-hydroxy-alkylamino-benzoic acid derivatives and to a combination of cell necrosis inhibitor and lithium, process for the preparation of the derivatives or the combination, pharmaceutical formulation containing the derivatives or the combination, and use of the derivatives or the combination by either concomitant or sequential administration for improvement of treatment of neuronal death or neurological dysfunction. The derivatives and the combination of the present invention are useful for treating neurological diseases, such as amyotrophic lateral sclerosis (ALS, Lou Gehrig's disease), spinal muscular atrophy, Alzheimer's disease, Parkinson's disease, Huntington's disease, stroke, traumatic brain injury or spinal cord injury; and for treating ocular diseases such as glaucoma, diabetic retinopathy or macular degeneration.
    Type: Application
    Filed: June 22, 2012
    Publication date: November 29, 2012
    Applicant: Neurotech Pharmaceuticals Co., Ltd.
    Inventors: Byoung Joo GWAG, Young Ae Lee, Jin Hee Shin, Sung Ig Cho, Jae Sung Noh, Jae Young Cho, Ki Won Kim, Hyang Ran Lim, Jae Keun Lee, Han Yeol Byun, Sun Young Ko, Sun Joo Son, Sun Mi Park
  • Patent number: 8282552
    Abstract: The present invention relates to an ultrasound imaging device. The ultrasound imaging device includes: a data acquiring unit for acquiring 3-dimensional ultrasound image data based on receive signals formed based on ultrasound echoes reflected from a target object; a filtering unit for determining a size of a filtering mask of a filter, said size being adaptively determined according to an amount of the 3-dimensional ultrasound image data in data acquisition directions, the filtering unit being further configured to filter the 3-dimensional ultrasound image data by using the filtering mask; a scan converting unit for scan-converting the filtered 3-dimensional ultrasound image data; and a 3-dimensional rendering unit for performing 3-dimensional rendering upon the scan-converted 3-dimensional ultrasound image data to form a 3-dimensional ultrasound image.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: October 9, 2012
    Assignee: Medison Co., Ltd.
    Inventors: Jae Keun Lee, Suk Jin Lee
  • Publication number: 20120130249
    Abstract: There are provided embodiments for providing a color Doppler image based on qualification curve information. In one embodiment, an ultrasound system comprises: an ultrasound data acquisition unit configured to acquire ultrasound data corresponding to a living body including a moving target object; a storage unit for storing qualification curve information for determining blood flow signals of the target object, clutter signals and noise based on velocity and power components of Doppler signals; and a processing unit configured to form first Doppler signals based on the ultrasound data, perform a clutter filtering process upon the first Doppler signals to form second Doppler signals, calculate velocity and power components of the second Doppler signals, form a color Doppler image based on the calculated velocity and power components, and perform a blending process upon the color Doppler image based on the calculated velocity and power components and the qualification curve information.
    Type: Application
    Filed: November 17, 2011
    Publication date: May 24, 2012
    Inventors: Hyeong Do LEE, Jae Keun Lee
  • Publication number: 20120108964
    Abstract: Embodiments for performing a gain control process based on information of at least one gain control curve corresponding to at least one application are disclosed herein. In one embodiment, by way of non-limiting example, an ultrasound system comprises: an ultrasound data acquisition unit configured to acquire ultrasound data corresponding to a living body; a storage unit for storing information of at least one gain control curve corresponding to at least one application; and a processing unit configured to extract information a gain control curve corresponding to input information for selecting an application from the storage unit, form a gain control curve based on the extracted information, and perform a gain control process upon the ultrasound data based on the gain control curve.
    Type: Application
    Filed: November 1, 2011
    Publication date: May 3, 2012
    Inventors: Jae Keun LEE, Hyeong Do Lee
  • Publication number: 20120059263
    Abstract: Embodiments for providing a color Doppler mode image are disclosed. In one embodiment, by way of non-limiting example, an ultrasound system comprises: an ultrasound data acquisition unit configured to transmit and receive ultrasound signals to and from a living body to acquire first ultrasound data and second ultrasound data; a user input unit configured to receive input information corresponding to a region of interest and a balance threshold value having a predetermined brightness value; and a processing unit configured to form a brightness mode image and a color Doppler mode image corresponding to the region of interest based on the first and second ultrasound data, respectively, form a balance mask for performing a balance process upon the color Doppler mode image based on the brightness mode image and the input information, and perform the balance process upon the color Doppler mode image based on the balance mask.
    Type: Application
    Filed: August 15, 2011
    Publication date: March 8, 2012
    Inventors: Jae Keun LEE, Hyeong Do Lee, Yong Ho Lee
  • Publication number: 20110313292
    Abstract: Embodiments for adaptively performing clutter filtering upon in an ultrasound system are disclosed. In one embodiment, the ultrasound system includes: an ultrasound data acquisition unit configured to transmit ultrasound signals to a target object and receive ultrasound echoes reflected from the target object to thereby acquire ultrasound data; and a processing unit configured to form a Doppler signal corresponding to each of a plurality of pixels constructing a Doppler mode image based on the ultrasound data, as well as to adjust coefficients of a clutter filter based on characteristics of the Doppler signal for each of the pixels for performing clutter filtering upon the Doppler signal.
    Type: Application
    Filed: June 17, 2011
    Publication date: December 22, 2011
    Inventors: Han KWAK, Jae Keun LEE, Jong Sik KIM
  • Publication number: 20110144489
    Abstract: There is disclosed an embodiment for adaptive clutter filtering. A signal acquisition unit transmits and receives ultrasound signals to and from a target object to output baseband IQ signals. A memory stores an error condition, a filter decision condition and information on at least two of filters for filtering the baseband IQ signals. A user interface receives a filter selection condition for selecting at least two filters among a plurality of filters stored in the memory. A processor extracts at least two of filters from the memory according to the filter selection condition and the error condition, decides a filter among the extracted at least two of filters and filters the baseband IQ signals by using filter coefficients of the decided filter.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 16, 2011
    Inventors: Han KWAK, Jae Keun Lee
  • Publication number: 20110137168
    Abstract: Embodiments for providing a three-dimensional (3D) ultrasound image are disclosed.
    Type: Application
    Filed: September 10, 2010
    Publication date: June 9, 2011
    Inventors: Jae Keun Lee, Sung Yoon Kim
  • Publication number: 20110118604
    Abstract: Embodiments for providing an ultrasound spatial compound image are disclosed.
    Type: Application
    Filed: September 15, 2010
    Publication date: May 19, 2011
    Inventors: Jeong Sik Kim, Jae Keun Lee