Patents by Inventor Dong Ik Ko
Dong Ik Ko 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).
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Patent number: 11912102Abstract: An air conditioner for a vehicle including an air-conditioning case divided into a plurality of air passageways by a separation wall. A heating heat exchanger is disposed inside the air-conditioning case and exchanges heat with air to heat the interior of the vehicle. A perforated member is disposed at a downstream side of the heating heat exchanger and has a plurality of perforated holes through which the air passing the heating heat exchanger passes, and a partition wall is disposed between the heating heat exchanger and the perforated member to divide the air passageway of the air-conditioning case into a plurality of air passageways, wherein the partition wall is formed integrally with the perforated member.Type: GrantFiled: October 8, 2019Date of Patent: February 27, 2024Assignee: HANON SYSTEMSInventors: Dong Won Lee, Jong Su Kim, Jae Woo Ko, Young Keun Kim, Chang Soo Bae, Jong Min Lee, Gyu Ik Han
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Patent number: 10571571Abstract: A method and apparatus for fixing a depth map wrap-around error and a depth map coverage by a confidence map. The method includes dynamically determining a threshold for the confidence map threshold based on an ambient light environment, wherein the threshold is reconfigurable depending on LED light strength distribution in TOF sensor, extracting, via the digital processor, four phases of Time Of Flight raw data from the Time Of Flight sensor data, computing a phase differential signal array for fixed point utilizing the four phases of the Time Of Flight raw data, computing the depth map, confidence map and the average light signal strength utilizing the phase differential signal array, obtaining the dynamic confidence map threshold for wrap around error correction utilizing the average light signal strength, and correcting the depth map wrap-around error utilizing the depth map, the confidence map and the dynamic confidence map threshold.Type: GrantFiled: November 14, 2011Date of Patent: February 25, 2020Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Dong-Ik Ko, Nara Won, Debasish Nag
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Patent number: 9823340Abstract: A method removing adjecent frequency interference from a Time Of Flight sensor system by adaptively adjusting the transmitted infrared illumination frequency of the TOF sensor by measuring the interfering infrared illuminating frequencies and dynamicaly adjusting the transmitted illuminating infrared frequency of the TOF sensor to eliminate the interference.Type: GrantFiled: December 4, 2012Date of Patent: November 21, 2017Assignee: TEXAS INSTRUMENTS INCORPORATEDInventor: Dong-Ik Ko
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Patent number: 9784822Abstract: A time-of-flight sensor device generates and analyzes a high-resolution depth map frame from a high-resolution image to determine a mode of operation for the time-of-flight sensor and an illuminator and to control the time-of-flight sensor and illuminator according to the mode of operation. A binned depth map frame can be created from a binned image from the time-of-flight sensor and combined with the high-resolution depth map frame to create a compensated depth map frame.Type: GrantFiled: September 14, 2015Date of Patent: October 10, 2017Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Werner Adam Metz, Dong-Ik Ko
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Publication number: 20160003937Abstract: A time-of-flight sensor device generates and analyzes a high-resolution depth map frame from a high-resolution image to determine a mode of operation for the time-of-flight sensor and an illuminator and to control the time-of-flight sensor and illuminator according to the mode of operation. A binned depth map frame can be created from a binned image from the time-of-flight sensor and combined with the high-resolution depth map frame to create a compensated depth map frame.Type: ApplicationFiled: September 14, 2015Publication date: January 7, 2016Inventors: Werner Adam Metz, Dong-IK Ko
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Patent number: 9151842Abstract: A method and apparatus for Time Of Flight sensor 2-dimensional and 3-dimensional map generation. The method includes retrieving Time Of Flight sensor fixed point data to obtain four phases of Time Of Flight fixed point raw data, computing Gray scale image array and phase differential signal arrays utilizing four phases of TOF fixed point raw data, computing Gray image array and Amplitude image array for fixed point, converting the phase differential signal array from fixed point to floating point, performing the floating point division for computing Arctan, TOF depthmap, and 3-dimensional point cloud map for Q format fixed point, and generating depthmap, 3-dimensional cloud coefficients and 3-dimensional point cloud for Q format fixed point.Type: GrantFiled: November 11, 2011Date of Patent: October 6, 2015Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Dong-Ik Ko, Nara Won, Debasish Nag
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Patent number: 9134114Abstract: A time-of-flight sensor device generates and analyzes a high-resolution depth map frame from a high-resolution image to determine a mode of operation for the time-of-flight sensor and an illuminator and to control the time-of-flight sensor and illuminator according to the mode of operation. A binned depth map frame can be created from a binned image from the time-of-flight sensor and combined with the high-resolution depth map frame to create a compensated depth map frame.Type: GrantFiled: March 11, 2013Date of Patent: September 15, 2015Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Werner Adam Metz, Dong-IK Ko
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Patent number: 9053371Abstract: In response to detecting a motion within a video sequence, a determination is made of whether the motion is a particular type of movement. In response to determining that the motion is the particular type of movement, a location is identified within the video sequence of an object that does the motion.Type: GrantFiled: October 1, 2012Date of Patent: June 9, 2015Assignee: TEXAS INSTRUMENTS INCORPORATEDInventor: Dong-Ik Ko
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Method for dynamically adjusting the operating parameters of a TOF camera according to vehicle speed
Patent number: 8879050Abstract: A method for adjusting the modulating frequency and the intensity of the IR illumination of a Time of Flight measurement system proportionally to the speed of movement and the ambient light level of the TOF system, thus adjusting the range of vision of the system dependent on speed. In an alternate embodiment the modulating frequency of a TOF measurement system is periodically adjusted to cover a larger range of vision of the TOF.Type: GrantFiled: December 4, 2012Date of Patent: November 4, 2014Assignee: Texas Instruments IncorporatedInventor: Dong-Ik Ko -
Publication number: 20140253688Abstract: A time-of-flight sensor device generates and analyzes a high-resolution depth map frame from a high-resolution image to determine a mode of operation for the time-of-flight sensor and an illuminator and to control the time-of-flight sensor and illuminator according to the mode of operation. A binned depth map frame can be created from a binned image from the time-of-flight sensor and combined with the high-resolution depth map frame to create a compensated depth map frame.Type: ApplicationFiled: March 11, 2013Publication date: September 11, 2014Applicant: TEXAS INSTRUMENTS INCORPORATEDInventors: Werner Adam Metz, Dong-IK Ko
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METHOD FOR DYNAMICALLY ADJUSTING THE OPERATING PARAMETERS OF A TOF CAMERA ACCORDING TO VEHICLE SPEED
Publication number: 20140152975Abstract: A method for adjusting the modulating frequency and the intensity of the IR illumination of a Time of Flight measurement system proportionally to the speed of movement and the ambient light level of the TOF system, thus adjusting the range of vision of the system dependent on speed. In an alternate embodiment the modulating frequency of a TOF measurement system is periodically adjusted to cover a larger range of vision of the TOF.Type: ApplicationFiled: December 4, 2012Publication date: June 5, 2014Applicant: TEXAS INSTRUMENTS INCORPORATEDInventor: Dong-Ik KO -
Publication number: 20140152974Abstract: A method removing adjecent frequency interference from a Time Of Flight sensor system by adaptively adjusting the infrared illumination frequency of the TOF sensor by measuring the interfering infrared illuminating frequencies and dynamicaly adjusting the illuminating infrared frequency of the TOF sensor to eliminate the interference.Type: ApplicationFiled: December 4, 2012Publication date: June 5, 2014Applicant: TEXAS INSTRUMENTS INCORPORATEDInventor: Dong-Ik KO
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Publication number: 20120120285Abstract: A method and apparatus for configuring Time Of Flight sensor and data transfer for dynamically reconfigurable sensor mode change depending on scene characteristics. The method includes configuring the sensor configuration set on normal shot mode, performing scene analysis on at least one captured scenes, when dynamic motion is detected and the automatic shot mode sensor change is enabled, configuring the sensor to fast shot mode, and when in normal shot mode, capturing and transferring the full size TOF raw pixels for each phase, and when in fast shot mode, capturing and transferring less than all the size of the Time Of Flight raw pixels for each phase.Type: ApplicationFiled: November 9, 2011Publication date: May 17, 2012Applicant: TEXAS INSTRUMENTS INCORPORATEDInventor: Dong-Ik Ko
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Publication number: 20120121165Abstract: A method and apparatus for Time Of Flight sensor 2-dimensional and 3-dimensional map generation. The method includes retrieving Time Of Flight sensor fixed point data to obtain four phases of Time Of Flight fixed point raw data, computing Gray scale image array and phase differential signal arrays utilizing four phases of TOF fixed point raw data, computing Gray image array and Amplitude image array for fixed point, converting the phase differential signal array from fixed point to floating point, performing the floating point division for computing Arctan, TOF depthmap, and 3-dimensional point cloud map for Q format fixed point, and generating depthmap, 3-dimensional cloud coefficients and 3-dimensional point cloud for Q format fixed point.Type: ApplicationFiled: November 11, 2011Publication date: May 17, 2012Applicant: Texas Instruments IncorporatedInventors: Dong-Ik Ko, Nara Won, Debasish Nag
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Publication number: 20120121166Abstract: A method and apparatus for parallel object segmentation. The method includes retrieving at least a portion of a 3-dimensional point cloud data x, y, z of a frame, dividing the frame into sub-image frames if the sub-frame based object segmentation is enabled, performing fast parallel object segmentation and object segmentation verification; and performing the 3-dimensional segmentation.Type: ApplicationFiled: November 14, 2011Publication date: May 17, 2012Applicant: Texas Instruments IncorporatedInventors: Dong-Ik Ko, Victor Cheng
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Publication number: 20120123718Abstract: A method and apparatus for fixing a depth map wrap-around error and a depth map coverage by a confidence map. The method includes dynamically determining a threshold for the confidence map threshold based on an ambient light environment, wherein the threshold is reconfigurable depending on LED light strength distribution in TOF sensor, extracting, via the digital processor, four phases of Time Of Flight raw data from the Time Of Flight sensor data, computing a phase differential signal array for fixed point utilizing the four phases of the Time Of Flight raw data, computing the depth map, confidence map and the average light signal strength utilizing the phase differential signal array, obtaining the dynamic confidence map threshold for wrap around error correction utilizing the average light signal strength, and correcting the depth map wrap-around error utilizing the depth map, the confidence map and the dynamic confidence map threshold.Type: ApplicationFiled: November 14, 2011Publication date: May 17, 2012Applicant: TEXAS INSTRUMENTS INCORPORATEDInventors: Dong-Ik Ko, Nara Won, Debasish Nag
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Patent number: 7328449Abstract: The present invention relates to a data contents processing method and apparatus for processing and displaying data contents in relation with a TV program in a DTV having a browser function. The data contents processing method according to the present invention includes the steps for: separating audio/video (A/V) signals and data contents upon receipt of a broadcast signal and extracting information on the currently received channel and a program identifier; constructing a database by forming an integrated information of a channel/program identifier information and data contents in connection with each other; controlling the conversion of data contents by checking whether or not the data contents to be displayed are consistent with the current A/V signal according to the integrated information; and, when the data contents is converted to thus select a user-desired data contents, displaying the A/V signal and the data contents.Type: GrantFiled: November 13, 2000Date of Patent: February 5, 2008Assignee: LG Electronics Inc.Inventors: Suk Won Park, Dong Ik Ko