Patents by Inventor Lien-Wu CHEN
Lien-Wu CHEN 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: 9639939Abstract: A method for vehicle positioning is provided, which includes the steps of identifying at least one vehicle in an image, obtaining identification information of each vehicle from the image, and transforming coordinates of each vehicle in the image into positioning information of the corresponding vehicle according to mapping information. The positioning information is a position of the corresponding vehicle in real world. Precise lane-level vehicle positioning can be achieved based on comparison with the identification information or the positioning information.Type: GrantFiled: July 18, 2014Date of Patent: May 2, 2017Assignee: Industrial Technology Research InstituteInventors: Yu-Chee Tseng, Lien-Wu Chen, Chia-Chen Chang, Yin-Chih Lu, Pei-Chuan Tsai
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Publication number: 20150199806Abstract: A method for vehicle positioning is provided, which includes the steps of identifying at least one vehicle in an image, obtaining identification information of each vehicle from the image, and transforming coordinates of each vehicle in the image into positioning information of the corresponding vehicle according to mapping information. The positioning information is a position of the corresponding vehicle in real world. Precise lane-level vehicle positioning can be achieved based on comparison with the identification information or the positioning information.Type: ApplicationFiled: July 18, 2014Publication date: July 16, 2015Inventors: Yu-Chee Tseng, Lien-Wu Chen, Chia-Chen Chang, Yin-Chih Lu, Pei-Chuan Tsai
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Patent number: 9000976Abstract: The present invention provides a positioning method for long-thin fleet, which moves along a direction and has a motion track and a leading member. The leading member is in forefront of the motion track. The positioning method comprises the following steps: a positioning step and a transmitting step. The positioning step gets a positioning data through a GPS in a preset time. The transmitting step transmits a periodic signal to the members of the fleet through a wireless network system. The leading member proceeds the positioning and transmitting steps. The motion track is connected according to the positioning data.Type: GrantFiled: June 4, 2012Date of Patent: April 7, 2015Assignee: National Tsing Hua UniversityInventors: Lien-Wu Chen, Chien-Cheng Wu, Yu-Chee Tseng
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Patent number: 8803914Abstract: In a machine-implemented method for use with a handheld device, a user is able to virtually try on a selected garment using augmented reality. The machine-implemented method includes: (A) establishing a garment database containing information corresponding to at least one garment, the information corresponding to each garment including a backside image of the garment; (B) establishing a marker database containing feature information of a backside marker; and (C) upon determining from a captured image of the user who is tagged with at least one physical maker that the physical marker corresponds to the backside marker, retrieving from the garment database the backside image of a selected garment, and superimposing the retrieved backside image onto the captured image of the user to form a composite image for display on a screen of the handheld device.Type: GrantFiled: May 26, 2011Date of Patent: August 12, 2014Assignee: National Tsing Hua UniversityInventors: Lien-Wu Chen, Yu-Chee Tseng, Jen-Hsiang Cheng, Chia-Yu Ku, Yi-Bel Chen, Ting Teng
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Patent number: 8736461Abstract: The present invention provides a control method of traffic sign by utilizing vehicular network which can be applied to an intersection. The method comprises: a passing rate calculating step, calculating a passing rate according to a driving parameter; a vehicular movement type determining step, determining a vehicular movement type of a lane at the intersection according to the driving parameter; and a signal determining step, determining next signal according to the passing rate and the vehicular movement type.Type: GrantFiled: June 25, 2012Date of Patent: May 27, 2014Assignee: National Tsing Hua UniversityInventors: Pranay Sharma, Lien-Wu Chen, Yu-Chee Tseng
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Patent number: 8665112Abstract: The present invention provides a message broadcast system and method for vehicular network. The system comprises a positioning device, a transmitting device and a processing device. The positioning device positions a location data of a vehicle. The transmitting device transmits a first packet to a neighbor vehicle. The processing device is coupled to the positioning device and transmitting device. The processing device determines the transmitting device transmits a second packet to the neighbor vehicle when the vehicle is in a section of crossroads. The processing device determines whether the vehicle is in a section of crossroads or a road section according to a third packet periodically transmitted from the neighbor vehicle.Type: GrantFiled: April 24, 2012Date of Patent: March 4, 2014Assignee: National Tsing Hua UniversityInventors: Lien-Wu Chen, Yu-Chee Tseng
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Patent number: 8620027Abstract: An augmented reality-based file transfer method and a related file transfer system integrated with cloud computing are provided. The file transfer method is applied to file transmission between a first device and a second device wirelessly connected to each other, wherein the first device includes a file, a display unit, and an input unit electronically connected to the display unit. The file transfer method includes the following steps: when an image stored in the first device is opened, displaying the file and the image on the display unit of the first device, wherein the image comprises a face image of the second user; when the file is dragged to the face image of the second user shown in the image via the input unit and is then released, generating a command; and transferring the file from the first device to the second device according to the command.Type: GrantFiled: February 1, 2012Date of Patent: December 31, 2013Assignee: Acer IncorporatedInventors: Yu-Chee Tseng, Lien-Wu Chen, Yu-Hao Peng
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Publication number: 20130342370Abstract: The present invention provides a control method of traffic sign by utilizing vehicular network which can be applied to an intersection. The method comprises: a passing rate calculating step, calculating a passing rate according to a driving parameter; a vehicular movement type determining step, determining a vehicular movement type of a lane at the intersection according to the driving parameter; and a signal determining step, determining next signal according to the passing rate and the vehicular movement type.Type: ApplicationFiled: June 25, 2012Publication date: December 26, 2013Inventors: Pranay SHARMA, Lien-Wu Chen, Yu-Chee Tseng
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Publication number: 20130127822Abstract: An object data search system is provided. The object data search system includes a communication device and an identification device. The communication device includes a display processing unit and an information transceiver unit. The display processing unit displays a real-time image and retrieves an image screen showing a specific object from the real-time image. The information transceiver unit transmits the image screen retrieved by the display processing unit. The identification device receives the image screen transmitted by the information transceiver unit and performs an image identification operation to the received image screen to generate specific information corresponding to the specific object according to an identification result. Then, the identification device returns the specific information to the communication device.Type: ApplicationFiled: August 1, 2012Publication date: May 23, 2013Applicant: ACER INCORPORATEDInventors: Lien-Wu CHEN, Yu-Chee TSENG
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Publication number: 20130076537Abstract: The present invention provides a message broadcast system and method for vehicular network. The system comprises a positioning device, a transmitting device and a processing device. The positioning device positions a location data of a vehicle. The transmitting device transmits a first packet to a neighbor vehicle. The processing device is coupled to the positioning device and transmitting device. The processing device determines the transmitting device transmits a second packet to the neighbor vehicle when the vehicle is in a section of crossroads. The processing device determines whether the vehicle is in a section of crossroads or a road section according to a third packet periodically transmitted from the neighbor vehicle.Type: ApplicationFiled: April 24, 2012Publication date: March 28, 2013Inventors: Lien-Wu Chen, Yu-Chee Tseng
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Publication number: 20130033396Abstract: The present invention provides a positioning method for long-thin fleet, which moves along a direction and has a motion track and a leading member. The leading member is in forefront of the motion track. The positioning method comprises the following steps: a positioning step and a transmitting step. The positioning step gets a positioning data through a GPS in a preset time. The transmitting step transmits a periodic signal to the members of the fleet through a wireless network system. The leading member proceeds the positioning and transmitting steps. The motion track is connected according to the positioning data.Type: ApplicationFiled: June 4, 2012Publication date: February 7, 2013Inventors: Lien-Wu CHEN, Chien-Cheng Wu, Yu-Chee Tseng
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Publication number: 20130011009Abstract: A recognition system based on augmented reality and remote computing includes a terminal touch screen, a terminal processing unit, a remote database, and a remote computing unit. The terminal touch screen fetches a recognition characteristic of an object to be recognized. The terminal processing unit transmits the recognition characteristic and an icon of an application program required to be executed to the remote computing unit. The remote database stores data corresponding to the recognition characteristic of the object to be recognized. The remote computing unit receives the recognition characteristic and the icon, fetches name and address information from the remote database according to the recognition characteristic and the icon, and transmits the name and address information to the terminal processing unit to make a terminal module enter the application program.Type: ApplicationFiled: February 22, 2012Publication date: January 10, 2013Inventors: Lien-Wu Chen, Yu-Chee Tseng, Yu-Hao Peng
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Publication number: 20120310518Abstract: A vehicle collision avoidance apparatus, a vehicle collision avoidance method, and a computer program product thereof are provided. The vehicle collision avoidance apparatus is disposed on a vehicle and is used to prevent the vehicle from crashing into a front vehicle. There is further a back vehicle behind the vehicle. The front vehicle will transmit a warning message to the vehicle collision avoidance apparatus disposed on the vehicle when the front vehicle brakes. The vehicle collision avoidance apparatus disposed on the vehicle will send out a warning notification in response to the warning message, and transmit the warning message to the back vehicle. Similarly, the vehicle collision avoidance apparatus can also be disposed on the front vehicle and the back vehicle to execute the same operations.Type: ApplicationFiled: August 2, 2011Publication date: December 6, 2012Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Lien-Wu Chen, Yu-Chee Tseng, Yu-Hao Peng
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Publication number: 20120219181Abstract: An augmented reality-based file transfer method and a related file transfer system integrated with cloud computing are provided. The file transfer method is applied to file transmission between a first device and a second device wirelessly connected to each other, wherein the first device includes a file, a display unit, and an input unit electronically connected to the display unit. The file transfer method includes the following steps: when an image stored in the first device is opened, displaying the file and the image on the display unit of the first device, wherein the image comprises a face image of the second user; when the file is dragged to the face image of the second user shown in the image via the input unit and is then released, generating a command; and transferring the file from the first device to the second device according to the command.Type: ApplicationFiled: February 1, 2012Publication date: August 30, 2012Inventors: Yu-Chee Tseng, Lien-Wu Chen, Yu-Hao Peng
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Publication number: 20120162256Abstract: In a machine-implemented method for use with a handheld device, a user is able to virtually try on a selected garment using augmented reality. The machine-implemented method includes: (A) establishing a garment database containing information corresponding to at least one garment, the information corresponding to each garment including a backside image of the garment; (B) establishing a marker database containing feature information of a backside marker; and (C) upon determining from a captured image of the user who is tagged with at least one physical maker that the physical marker corresponds to the backside marker, retrieving from the garment database the backside image of a selected garment, and superimposing the retrieved backside image onto the captured image of the user to form a composite image for display on a screen of the handheld device.Type: ApplicationFiled: May 26, 2011Publication date: June 28, 2012Inventors: Lien-Wu CHEN, Yu-Chee Tseng, Jen-Hsiang Cheng, Chia-Yu Ku, Yi-Bel Chen, Ting Teng