Patents by Inventor Chih-Chung Kao
Chih-Chung Kao 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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Publication number: 20240105887Abstract: A package structure, including: a first packaging member having oppositely arranged first surface and second surface; a control chip covered by the first packaging member; a plurality of conductors provided on and protruding from the control chip and electrically connected to electrical contacts of the control chip, the conductors being covered by the first packaging member, and ends of the conductors facing away from the control chip being flush with the first surface; a wire pattern layer disposed on the first surface and electrically connected to the conductors; a light emitting element located on the first surface and electrically connected to the control chip via the wire pattern layer; and a second packaging member covering the light emitting element and affixed to the first surface and the wire pattern layer, a light beam emitted by the light emitting element being allowed to travel outward through the second packaging member.Type: ApplicationFiled: April 14, 2023Publication date: March 28, 2024Inventors: Chih-Hung TZENG, Chih-Chiang KAO, Chien-Chung HUANG
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Publication number: 20240096705Abstract: A semiconductor device includes a plurality of channel layers vertically separated from one another. The semiconductor device also includes an active gate structure comprising a lower portion and an upper portion. The lower portion wraps around each of the plurality of channel layers. The semiconductor device further includes a gate spacer extending along a sidewall of the upper portion of the active gate structure. The gate spacer has a bottom surface. Moreover, a dummy gate dielectric layer is disposed between the gate spacer and a topmost channel layer of plurality of channel layers. The dummy gate dielectric layer is in contact with a top surface of the topmost channel layer, the bottom surface of the gate spacer, and the sidewall of the gate structure.Type: ApplicationFiled: November 30, 2023Publication date: March 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Kuei-Yu Kao, Chen-Yui Yang, Hsien-Chung Huang, Chao-Cheng Chen, Shih-Yao Lin, Chih-Chung Chiu, Chih-Han Lin, Chen-Ping Chen, Ke-Chia Tseng, Ming-Ching Chang
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Publication number: 20240087961Abstract: The embodiments described herein are directed to a method for reducing fin oxidation during the formation of fin isolation regions. The method includes providing a semiconductor substrate with an n-doped region and a p-doped region formed on a top portion of the semiconductor substrate; epitaxially growing a first layer on the p-doped region; epitaxially growing a second layer different from the first layer on the n-doped region; epitaxially growing a third layer on top surfaces of the first and second layers, where the third layer is thinner than the first and second layers. The method further includes etching the first, second, and third layers to form fin structures on the semiconductor substrate and forming an isolation region between the fin structures.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Hung-Ju CHOU, Chih-Chung Chang, Jun-Ming Kuo, Che-Yuan Hsu, Pei-Ling Kao, Chen-Hsuan Liao
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Patent number: 11625938Abstract: A method for detecting a human skeleton is provided. The method includes: receiving a video frame, wherein the video frame comprises a human body; determining whether the video frame comprises prediction information; determining whether a first intra-coded macroblock (IMB) ratio of a target area comprising the human body in the video frame is greater than a first threshold when the video frame comprises the prediction information; and using a motion vector (MV) to estimate skeleton information of the human body when the first IMB ratio of the target area is not greater than the first threshold.Type: GrantFiled: December 29, 2020Date of Patent: April 11, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wei-Cheng Sun, Sänket N⋅ Yerule, Chih-Chung Kao
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Publication number: 20220207265Abstract: A method for detecting a human skeleton is provided. The method includes: receiving a video frame, wherein the video frame comprises a human body; determining whether the video frame comprises prediction information; determining whether a first intra-coded macroblock (IMB) ratio of a target area comprising the human body in the video frame is greater than a first threshold when the video frame comprises the prediction information; and using a motion vector (MV) to estimate skeleton information of the human body when the first IMB ratio of the target area is not greater than the first threshold.Type: ApplicationFiled: December 29, 2020Publication date: June 30, 2022Inventors: Wei-Cheng SUN, Sanket N· Yerule, Chih-Chung KAO
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Patent number: 10984251Abstract: A person re-identification method, a person re-identification system and an image screening method are provided. The person re-identification method includes the following steps. A plurality of identified images of an identified person are analyzed to obtain an interrelated array, which records a plurality of degrees of association among the identified images. The interrelated array is converted to a directed graph having at least one connected group. A representative path of each connected group is obtained. According to each representative path, a part of the identified images are outputted as at least one representative image set for performing a person re-identification process on an image to be identified.Type: GrantFiled: July 24, 2019Date of Patent: April 20, 2021Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yao-Chin Yang, Ming-Hung Cheng, Chih-Chung Kao
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Publication number: 20200302186Abstract: A person re-identification method, a person re-identification system and an image screening method are provided. The person re-identification method includes the following steps. A plurality of identified images of an identified person are analyzed to obtain an interrelated array, which records a plurality of degrees of association among the identified images. The interrelated array is converted to a directed graph having at least one connected group. A representative path of each connected group is obtained. According to each representative path, a part of the identified images are outputted as at least one representative image set for performing a person re-identification process on an image to be identified.Type: ApplicationFiled: July 24, 2019Publication date: September 24, 2020Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yao-Chin Yang, Ming-Hung Cheng, Chih-Chung Kao
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Patent number: 10445564Abstract: A method for recognizing face expressions is provided. The method includes: recognizing expression categories of expressions in a plurality of face images and obtaining recognition results between each expression category and another expression category; obtaining similarities between each expression category and another expression category according to the recognition results; classifying the expression categories into a plurality of expression groups according to the similarities; training a first recognition model to classify the expressions in the face images into the expression groups; and training a second recognition model for each of the expression groups to classify the face images in each of the expression group into one of the expression categories.Type: GrantFiled: December 20, 2017Date of Patent: October 15, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Hao-Ping Kang, Jia-Hua Wu, Yao-Chin Yang, Chih-Chung Kao
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Publication number: 20190188458Abstract: A method for recognizing face expressions is provided. The method includes: recognizing expression categories of expressions in a plurality of face images and obtaining recognition results between each expression category and another expression category; obtaining similarities between each expression category and another expression category according to the recognition results; classifying the expression categories into a plurality of expression groups according to the similarities; training a first recognition model to classify the expressions in the face images into the expression groups; and training a second recognition model for each of the expression groups to classify the face images in each of the expression group into one of the expression categories.Type: ApplicationFiled: December 20, 2017Publication date: June 20, 2019Inventors: Hao-Ping KANG, Jia-Hua WU, Yao-Chin YANG, Chih-Chung KAO
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Patent number: 10269120Abstract: A character recognition method is provided, including the steps of: recognizing a character string, which includes one or more characters, in a region of interest (ROI) using a first convolutional neural network (CNN) model to generate a recognized character string; and comparing the recognized character string with a plurality of character strings in a character database to find a character string corresponding to the recognized character string, wherein each of the character strings includes one or more characters; wherein if the character string corresponding to the recognized character string is found, the recognized character string is used as a character recognition result, otherwise, using a second CNN model to correct the recognized string and generate a new recognized character string as the character recognition result.Type: GrantFiled: April 19, 2017Date of Patent: April 23, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chih-Chung Kao, Hao-Ping Kang, Jia-Hua Wu
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Publication number: 20180150956Abstract: A character recognition method is provided, including the steps of: recognizing a character string, which includes one or more characters, in a region of interest (ROI) using a first convolutional neural network (CNN) model to generate a recognized character string; and comparing the recognized character string with a plurality of character strings in a character database to find a character string corresponding to the recognized character string, wherein each of the character strings includes one or more characters; wherein if the character string corresponding to the recognized character string is found, the recognized character string is used as a character recognition result, otherwise, using a second CNN model to correct the recognized string and generate a new recognized character string as the character recognition result.Type: ApplicationFiled: April 19, 2017Publication date: May 31, 2018Inventors: Chih-Chung KAO, Hao-Ping KANG, Jia-Hua WU
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Patent number: 8331623Abstract: The invention relates to a method for image processing, which can be used to calibrate the background quickly. When the external environment is changed due to the switch of light, the color of background is calibrated quickly, and the background can be updated together. The method not only is used to update the background, but also can be used to eliminate the convergence of background again.Type: GrantFiled: December 23, 2008Date of Patent: December 11, 2012Assignee: National Chiao Tung UniversityInventors: Bing-Fei Wu, Chao-Jung Chen, Chih-Chung Kao, Meng-Liang Chung, Chung-Cheng Chiu, Min-Yu Ku, Chih-Chun Liu, Cheng-Yen Yang
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Patent number: 8275173Abstract: A parking assistance system (PAS) comprising an image capture device, a display device and an image analysis device is provided, wherein the image capture device captures a rear parking image of a car and the image analysis device analyses the parking image to determine an initial line, two side lines and an auxiliary line in the parking image. The image analysis device determines a first reference point according to a specific position on the car, a second reference point according to an interval of the initial line between the two side lines, a third reference point according to an interval of the auxiliary line between the two side lines and a recommended parking path according to these reference points, and transmits the parking image and the recommended parking path to the display device, such that the parking image and the recommended parking path are superimposed to be displayed on the display.Type: GrantFiled: August 24, 2009Date of Patent: September 25, 2012Assignee: National Chiao Tung UniversityInventors: Bing-Fei Wu, Chao-Jung Chen, Ying-Han Chen, Chih-Chung Kao
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Patent number: 8218877Abstract: The invention relates to a method for image processing. First, establish the initial image background information. And retrieve the instant image information. Then calculate the initial image background information and color intensity information of the instant image. Furthermore, adjust the instant image information. Then calculate the moving-object information. Finally, track the moving-object information. It can improve the accuracy rate of detection without the influence of erected height.Type: GrantFiled: December 23, 2008Date of Patent: July 10, 2012Assignee: National Chiao Tung UniversityInventors: Bing-Fei Wu, Chao-Jung Chen, Chih-Chung Kao, Meng-Liang Chung, Chung-Cheng Chiu, Min-Yu Ku, Chih-Chun Liu, Cheng-Yen Yang
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Publication number: 20110307144Abstract: The present invention provides a method and system for transmitting and receiving vehicle information, in which a wireless transmitting and receiving unit and a vehicle computer recording a first information is disposed in the vehicle, and a processing computer is disposed in a vehicle station. When the vehicle enters the vehicle station, the vehicle wirelessly transmits the first information to the processing computer according to a request signal. After that, the processing computer wirelessly transmits a second information to the vehicle computer at a specific time point. By means of the method and system of the present invention, it is capable of exchanging information between the vehicle and vehicle station in a wireless transmitting and receiving way so as to save the waiting time for maintenance and management.Type: ApplicationFiled: July 16, 2010Publication date: December 15, 2011Applicant: National Chiao Tung UniversityInventors: BING-FEI WU, YEN-FENG LI, CHIH-CHUNG KAO, YING-HAN CHEN, CHAO-JUNG CHEN
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Publication number: 20100324814Abstract: The present invention relates a GPS tracking system, comprising a tracking and positioning device, a server, a positioning display unit, and a database. Since the tracking and positioning device only sends an Internet protocol (IP) data and a verification data once when it is connected to the Internet, and sends a positioning data only when a position of the tracking and positioning device is to be shown on the positioning display unit, the bandwidth can be saved.Type: ApplicationFiled: April 16, 2010Publication date: December 23, 2010Applicant: National Chiao Tung UniversityInventors: BING-FEI WU, Ying-Han Chen, Chao-Jung Chen, Chih-Chung Kao, Po-Chia Huang
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Publication number: 20100231416Abstract: A parking assistance system (PAS) comprising an image capture device, a display device and an image analysis device is provided, wherein the image capture device captures a rear parking image of a car and the image analysis device analyses the parking image to determine an initial line, two side lines and an auxiliary line in the parking image. The image analysis device determines a first reference point according to a specific position on the car, a second reference point according to an interval of the initial line between the two side lines, a third reference point according to an interval of the auxiliary line between the two side lines and a recommended parking path according to these reference points, and transmits the parking image and the recommended parking path to the display device, such that the parking image and the recommended parking path are superimposed to be displayed on the display.Type: ApplicationFiled: August 24, 2009Publication date: September 16, 2010Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: BING-FEI WU, CHAO-JUNG CHEN, YING-HAN CHEN, CHIH-CHUNG KAO, CHENG-YEN YANG
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Publication number: 20100158312Abstract: The invention relates to a method for image processing, which can be used to calibrate the background quickly. When the external environment is changed due to the switch of light, the color of background is calibrated quickly, and the background can be updated together. The method not only is used to update the background, but also can be used to eliminate the convergence of background again.Type: ApplicationFiled: December 23, 2008Publication date: June 24, 2010Applicant: National Chiao Tung UniversityInventors: Bing-Fei Wu, Chao-Jung Chen, Chih-Chung Kao, Meng-Liang Chung, Chung-Cheng Chiu, Min-Yu Ku, Chih-Chun Liu, Cheng-Yen Yang
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Publication number: 20100158378Abstract: The invention relates to a method for image processing. First, establish the initial image background information. And retrieve the instant image information. Then calculate the initial image background information and color intensity information of the instant image. Furthermore, adjust the instant image information. Then calculate the moving-object information. Finally, track the moving-object information. It can improve the accuracy rate of detection without the influence of erected height.Type: ApplicationFiled: December 23, 2008Publication date: June 24, 2010Applicant: National Chiao Tung UniversityInventors: Bing-Fei Wu, Chao-Jung Chen, Chih-Chung Kao, Meng-Liang Chung, Chung-Cheng Chiu, Min-Yu Ku, Chih-Chun Liu, Cheng-Yen Yang