Patents by Inventor Lih-Guong Jang
Lih-Guong Jang 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: 11797906Abstract: State estimation and sensor fusion switching methods for autonomous vehicles thereof are provided. The autonomous vehicle includes at least one sensor, at least one actuator and a processor, and is configured to transfer and transport an object. In the method, a task instruction for moving the object and data required for executing the task instruction are received. The task instruction is divided into a plurality of work stages according to respective mapping locations, and each of the work stages is mapped to one of a transport state and an execution state, so as to establish a semantic hierarchy. A current location of the autonomous vehicle is detected by using the sensor and mapped to one of the work stages in the semantic hierarchy, so as to estimate a current state of the autonomous vehicle.Type: GrantFiled: December 18, 2019Date of Patent: October 24, 2023Assignee: Industrial Technology Research InstituteInventors: Xin-Lan Liao, Kun-Hsien Lin, Lih-Guong Jang, Wei-Liang Wu, Yi-Yuan Chen
-
Patent number: 11361178Abstract: A communication system and method thereof are provided, which includes: providing a first mask, a second mask, a user device having a screen and a display device having a light code module and a panel, wherein the first mask and the second mask are positioned at different positions of the panel, respectively; providing a light code signal to the panel by the light code module, and providing a first mask signal and a second mask signal by the first mask and the second mask, respectively; and capturing the light code signal plus the first mask signal or the second mask signal from the panel by the user device to obtain a first code according to the combination of the light code signal and the first mask signal or obtain a second code according to the combination of the light code signal and the second mask signal.Type: GrantFiled: December 22, 2020Date of Patent: June 14, 2022Assignee: Industrial Technology Research InstituteInventors: Kun-Hsein Lin, Lih-Guong Jang, Yi-Yuan Chen
-
Publication number: 20220147727Abstract: A communication system and method thereof are provided, which includes: providing a first mask, a second mask, a user device having a screen and a display device having a light code module and a panel, wherein the first mask and the second mask are positioned at different positions of the panel, respectively; providing a light code signal to the panel by the light code module, and providing a first mask signal and a second mask signal by the first mask and the second mask, respectively; and capturing the light code signal plus the first mask signal or the second mask signal from the panel by the user device to obtain a first code according to the combination of the light code signal and the first mask signal or obtain a second code according to the combination of the light code signal and the second mask signal.Type: ApplicationFiled: December 22, 2020Publication date: May 12, 2022Inventors: Kun-Hsein Lin, Lih-Guong Jang, Yi-Yuan Chen
-
Patent number: 11082212Abstract: The present disclosure provides a system and a method for communication service verification and a verification server thereof. The method includes: obtaining a light code from a light code transmission device through a user device; demodulating the light code by the user device to generate a cipher; receiving a service request sent from the user device by a service system server; receiving a verification request sent from the user device or the service system server by a verification server; and retrieving a decryption key by the verification server based on the verification request, so as to decode the cipher in the verification request using the decryption key and obtain a decoding result.Type: GrantFiled: December 26, 2017Date of Patent: August 3, 2021Assignee: Industrial Technology Research InstituteInventors: Xin-Lan Liao, Lih-Guong Jang, Yi-Chang Wang, Yi-Yuan Chen
-
Publication number: 20210188315Abstract: State estimation and sensor fusion switching methods for autonomous vehicles thereof are provided. The autonomous vehicle includes at least one sensor, at least one actuator and a processor, and is configured to transfer and transport an object. In the method, a task instruction for moving the object and data required for executing the task instruction are received. The task instruction is divided into a plurality of work stages according to respective mapping locations, and each of the work stages is mapped to one of a transport state and an execution state, so as to establish a semantic hierarchy. A current location of the autonomous vehicle is detected by using the sensor and mapped to one of the work stages in the semantic hierarchy, so as to estimate a current state of the autonomous vehicle.Type: ApplicationFiled: December 18, 2019Publication date: June 24, 2021Applicant: Industrial Technology Research InstituteInventors: Xin-Lan Liao, Kun-Hsien Lin, Lih-Guong Jang, Wei-Liang Wu, Yi-Yuan Chen
-
Patent number: 10769836Abstract: A method and an apparatus for establishing a coordinate system and a data structure product are provided. The method includes following steps: obtaining at least one layer related to an arrangement of an indoor space to generate a layout pattern in a 2D or 3D model; obtaining locations of positioning devices located within the indoor space and labelling the locations in the layout pattern; dividing the layout pattern into multiple view tiles according to a unit area or a unit volume for displaying the layout pattern; dividing a portion of the layout pattern around the labelled positioning devices into multiple positioning tiles according to the labelled locations of the positioning devices; and selecting at least one representative point of the view tiles and the positioning tiles as a reference point to define a reference frame and establishing the coordinate system based on the reference frame.Type: GrantFiled: December 27, 2017Date of Patent: September 8, 2020Assignee: Industrial Technology Research InstituteInventors: Po-Yu Huang, Xin-Lan Liao, Wei-Liang Wu, Lih-Guong Jang, Kun-Hsien Lin, Yi-Yuan Chen
-
Patent number: 10748053Abstract: A ticket authentication method and a ticket authentication device are provided. The ticket authentication method includes the following steps. A first electronic device outputs an e-ticket. A second electronic device acquires the e-ticket. The second electronic device outputs a visible light verification code. The first electronic device acquires the visible light verification code and generates a composite code according to a certification data and the verification code. The second electronic device acquires the visible light composite code, and determines whether the composite code matches the certification data and the verification code. When the composite code matches the certification data and the verification code, the second electronic determines that the authentication of the e-ticket is successful.Type: GrantFiled: December 29, 2016Date of Patent: August 18, 2020Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yi-Yuan Chen, Xin-Lan Liao, Kun-Hsien Lin, Lih-Guong Jang, Chi-Neng Liu, Nien-Chu Wu, Po-Yu Huang
-
Patent number: 10510377Abstract: A system and method for combining light codes and a video are provided. The system includes an editing device and a storage device. The editing device identifies the content of a video to obtain a playback period of a plurality of frames having at least one candidate object in the video. The storage device stores at least one candidate object code and at least one light code symbol, and the light code symbol has a correspondence with the candidate object code. The editing device matches playback period of the frames having the at least one candidate object with the light code symbol, so as to provide a light code output table corresponding to the video.Type: GrantFiled: October 27, 2017Date of Patent: December 17, 2019Assignee: Industrial Technology Research InstituteInventors: Po-Yu Huang, Xin-Lan Liao, Lih-Guong Jang, Kun-Hsien Lin, Chi-Neng Liu
-
Publication number: 20190199522Abstract: The present disclosure provides a system and a method for communication service verification and a verification server thereof. The method includes: obtaining a light code from a light code transmission device through a user device; demodulating the light code by the user device to generate a cipher; receiving a service request sent from the user device by a service system server; receiving a verification request sent from the user device or the service system server by a verification server; and retrieving a decryption key by the verification server based on the verification request, so as to decode the cipher in the verification request using the decryption key and obtain a decoding result.Type: ApplicationFiled: December 26, 2017Publication date: June 27, 2019Inventors: Xin-Lan Liao, Lih-Guong Jang, Yi-Chang Wang, Yi-Yuan Chen
-
Publication number: 20190197759Abstract: A method and an apparatus for establishing a coordinate system and a data structure product are provided. The method includes following steps: obtaining at least one layer related to an arrangement of an indoor space to generate a layout pattern in a 2D or 3D model; obtaining locations of positioning devices located within the indoor space and labelling the locations in the layout pattern; dividing the layout pattern into multiple view tiles according to a unit area or a unit volume for displaying the layout pattern; dividing a portion of the layout pattern around the labelled positioning devices into multiple positioning tiles according to the labelled locations of the positioning devices; and selecting at least one representative point of the view tiles and the positioning tiles as a reference point to define a reference frame and establishing the coordinate system based on the reference frame.Type: ApplicationFiled: December 27, 2017Publication date: June 27, 2019Applicant: Industrial Technology Research InstituteInventors: Po-Yu Huang, Xin-Lan Liao, Wei-Liang Wu, Lih-Guong Jang, Kun-Hsien Lin, Yi-Yuan Chen
-
Publication number: 20190080720Abstract: A system and method for combining light codes and a video are provided. The system includes an editing device and a storage device. The editing device identifies the content of a video to obtain a playback period of a plurality of frames having at least one candidate object in the video. The storage device stores at least one candidate object code and at least one light code symbol, and the light code symbol has a correspondence with the candidate object code. The editing device matches playback period of the frames having the at least one candidate object with the light code symbol, so as to provide a light code output table corresponding to the video.Type: ApplicationFiled: October 27, 2017Publication date: March 14, 2019Inventors: Po-Yu Huang, Xin-Lan Liao, Lih-Guong Jang, Kun-Hsien Lin, Chi-Neng Liu
-
Patent number: 10130255Abstract: A method and system for tracking eye recovery. The method includes: receiving eye data from an eyewear, wherein the eye data includes images acquired by an image capturing device in the eyewear; analyzing the eye data to determine an eye recovery status, wherein the analyzing is carried out by comparing the eye data to an initial set of eye conditions; and providing a notification of the eye recovery status.Type: GrantFiled: December 15, 2016Date of Patent: November 20, 2018Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Hung-Yang Chang, Pei-Yun S Hsueh, Lih-Guong Jang, Joe Lu, Sreeram Ramakrishnan, Yi-Chang Wang, Nien-Chu Wu, Xinxin Zhu
-
Patent number: 9984264Abstract: A data encoding and decoding system including an encoding apparatus and a decoding apparatus is provided. The encoding apparatus is configured to patternize a data. The encoding apparatus displays the patternized data in a manner of dynamic twinkling. The patternized data twinkles in a predetermined frequency. The decoding apparatus is coupled to the encoding apparatus. The decoding apparatus is configured to capture the data which dynamically twinkles in a predetermined time period. The decoding apparatus performs a data processing operation on the captured data to identify the captured data. In addition, a data encoding and decoding method is also provided.Type: GrantFiled: December 18, 2015Date of Patent: May 29, 2018Assignee: Industrial Technology Research InstituteInventors: Lih-Guong Jang, Yu-Jung Chang, Yi-Yuan Chen, Wen-Kuei Lai, Nien-Chu Wu
-
Publication number: 20180144233Abstract: A ticket authentication method and a ticket authentication device are provided. The ticket authentication method includes the following steps. A first electronic device outputs an e-ticket. A second electronic device acquires the e-ticket. The second electronic device outputs a visible light verification code. The first electronic device acquires the visible light verification code and generates a composite code according to a certification data and the verification code. The second electronic device acquires the visible light composite code, and determines whether the composite code matches the certification data and the verification code. When the composite code matches the certification data and the verification code, the second electronic determines that the authentication of the e-ticket is successful.Type: ApplicationFiled: December 29, 2016Publication date: May 24, 2018Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yi-Yuan CHEN, Xin-Lan LIAO, Kun-Hsien LIN, Lih-Guong JANG, Chi-Neng LIU, Nien-Chu WU, Po-Yu HUANG
-
Patent number: 9979977Abstract: A method and device of generating an image stream with verification data are provided. The method includes the following steps. First, determine at least one pixel in a first image according to a first encoding parameter. Then, generate a timing data sequence associated with information about the correlation between the verification data and time points according to a second encoding parameter and the verification data. Next, modify a pixel value of the at least one pixel in the first image to generate a second image according to the verification data corresponding to one of the time points in the timing data sequence. Lastly, generate the image stream including the second image.Type: GrantFiled: December 18, 2015Date of Patent: May 22, 2018Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yi-Yuan Chen, Lih-Guong Jang, Wen-Kuei Lai, Nien-Chu Wu
-
Publication number: 20170124368Abstract: A data encoding and decoding system including an encoding apparatus and a decoding apparatus is provided. The encoding apparatus is configured to patternize a data. The encoding apparatus displays the patternized data in a manner of dynamic twinkling. The patternized data twinkles in a predetermined frequency. The decoding apparatus is coupled to the encoding apparatus. The decoding apparatus is configured to capture the data which dynamically twinkles in a predetermined time period. The decoding apparatus performs a data processing operation on the captured data to identify the captured data. In addition, a data encoding and decoding method is also provided.Type: ApplicationFiled: December 18, 2015Publication date: May 4, 2017Inventors: Lih-Guong Jang, Yu-Jung Chang, Yi-Yuan Chen, Wen-Kuei Lai, Nien-Chu Wu
-
Publication number: 20170095151Abstract: A method and system for tracking eye recovery. The method includes: receiving eye data from an eyewear, wherein the eye data includes images acquired by an image capturing device in the eyewear; analyzing the eye data to determine an eye recovery status, wherein the analyzing is carried out by comparing the eye data to an initial set of eye conditions; and providing a notification of the eye recovery status.Type: ApplicationFiled: December 15, 2016Publication date: April 6, 2017Inventors: Hung-Yang Chang, Pei-Yun S. Hsueh, Lih-Guong Jang, Joe Lu, Sreeram Ramakrishnan, Yi-Chang Wang, Nien-Chu Wu, Xinxin Zhu
-
Publication number: 20170085893Abstract: A method and device of generating an image stream with verification data are provided. The method includes the following steps. First, determine at least one pixel in a first image according to a first encoding parameter. Then, generate a timing data sequence associated with information about the correlation between the verification data and time points according to a second encoding parameter and the verification data. Next, modify a pixel value of the at least one pixel in the first image to generate a second image according to the verification data corresponding to one of the time points in the timing data sequence. Lastly, generate the image stream including the second image.Type: ApplicationFiled: December 18, 2015Publication date: March 23, 2017Inventors: Yi-Yuan CHEN, Lih-Guong JANG, Wen-Kuei LAI, Nien-Chu WU
-
Patent number: 9552517Abstract: A method and system for tracking eye recovery. The method includes: receiving eye data from an eyewear, wherein the eye data includes images acquired by an image capturing device in the eyewear; analyzing the eye data to determine an eye recovery status, wherein the analyzing is carried out by comparing the eye data to an initial set of eye conditions; and providing a notification of the eye recovery status.Type: GrantFiled: December 6, 2013Date of Patent: January 24, 2017Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Hung-Yang Chang, Pei-yun S Hsueh, Lih-Guong Jang, Joe Lu, Sreeram Ramakrishnan, Yi-Chang Wang, Nien-Chu Wu, Xinxin Zhu
-
Publication number: 20150161783Abstract: A method and system for tracking eye recovery. The method includes: receiving eye data from an eyewear, wherein the eye data includes images acquired by an image capturing device in the eyewear; analyzing the eye data to determine an eye recovery status, wherein the analyzing is carried out by comparing the eye data to an initial set of eye conditions; and providing a notification of the eye recovery status.Type: ApplicationFiled: December 6, 2013Publication date: June 11, 2015Applicant: International Business Machines CorporationInventors: Hung-Yang Chang, Pei-yun S Hsueh, Lih-Guong Jang, Joe Lu, Sreeram Ramakrishnan, Yi-Chang Wang, Nien-Chu Wu, Xinxin Zhu