Patents by Inventor Yi-Fang Lee
Yi-Fang 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).
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VISUALIZATION FOR HEALTH EDUCATION TO FACILITATE PLANNING FOR INTERVENTION, ADAPTATION AND ADHERENCE
Publication number: 20140172455Abstract: A method for providing a health visualization model includes receiving user data comprising characteristics corresponding to a user, and adherence data comprising adherence history corresponding to the user, determining a relationship between an adherence level of the user and an expected health outcome based on the user data and the adherence data, generating the health visualization model based on the determined relationship, and outputting the health visualization model.Type: ApplicationFiled: August 20, 2013Publication date: June 19, 2014Applicant: International Business Machines CorporationInventors: Vincent DENG, Mark JH HSIAO, Pei-Yun Sabrina HSEUH, Yi-Fang LEE, Sreeram RAMAKRISHNAN -
VISUALIZATION FOR HEALTH EDUCATION TO FACILITATE PLANNING FOR INTERVENTION, ADAPTATION AND ADHERENCE
Publication number: 20140172437Abstract: A method for providing a health visualization model includes receiving user data comprising characteristics corresponding to a user, and adherence data comprising adherence history corresponding to the user, determining a relationship between an adherence level of the user and an expected health outcome based on the user data and the adherence data, generating the health vise alization model based on the determined relationship, and outputting the health visualization model.Type: ApplicationFiled: December 14, 2012Publication date: June 19, 2014Applicant: International Business Machines CorporationInventors: Vincent Deng, Mark JH. Hsiao, Pei-Yun Sabrina Hseuh, Yi-Fang Lee, Sreeram Ramakrishnan -
Publication number: 20140164756Abstract: A controlling method for an electronic apparatus is disclosed. The method comprises: detecting a location for vision of an eye on a display of the electronic apparatus; controlling the electronic apparatus to operate in a first mode if a time period for the vision stops on an objective on the display is not larger than a predetermined time period; and controlling the electronic apparatus to operate in a second mode if the time period for the vision stops on an objective on the display is larger than the predetermined time period. The electronic apparatus detects at least turning operation for a head comprising the eye and performs corresponding operation according to the turning operation in the second mode.Type: ApplicationFiled: June 5, 2013Publication date: June 12, 2014Inventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao
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Publication number: 20140160017Abstract: An electronic apparatus controlling method includes: determining if displacement of an object in a first predetermined time period is smaller than a first predetermined distance to generate a determining result; and controlling the electronic apparatus to perform a first predetermined action if the determining result is no, and controlling the electronic apparatus to perform a deciding step if the determining result is yes. The deciding step is utilized for deciding if a second predetermined action is performed according to a coordinates of the object at the end of the first predetermined time period.Type: ApplicationFiled: April 17, 2013Publication date: June 12, 2014Applicant: PixArt Imaging Inc.Inventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao, Sen-Huang Huang
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Patent number: 8743348Abstract: There is provided an optical distance detection system which includes a light source and a detection device. The light source is configured to illuminate a surface of an object. The detection device is configured to receive a reflected light from the surface of the object and to output a distance of the object according to the reflected light. The detection device includes a sensing module and a calculation module. The sensing module is configured to receive the reflected light to accordingly generate an image. The calculation module is for outputting the distance according to a light spot position and a light spot size of the reflected light forming on the image.Type: GrantFiled: August 30, 2011Date of Patent: June 3, 2014Assignee: Pixart Imaging Inc.Inventors: Ren Hau Gu, En Feng Hsu, Chi Chieh Liao, Yi Fang Lee, Chih Hung Lu, Chung You Wu
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Publication number: 20140143697Abstract: A method for providing a user interface (UI) in an electronic device having a background includes presenting a first keyword in the background by animation in response to an operation performed by a user on the electronic device, wherein the first keyword enables the user to start the electronic device for executing a first function.Type: ApplicationFiled: December 4, 2013Publication date: May 22, 2014Applicants: Industrial Technology Research Institute, International Business Machines CorporationInventors: Mark Hsiao, Yi-Fang Lee, Yin-Pin Yang
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Publication number: 20140111632Abstract: There is provided a pupil tracking device including an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball alternatively in a first brightness value and a second brightness value. The image sensor captures a first brightness image corresponding to the first brightness value and a second brightness image corresponding to the second brightness value. The processing unit identifies a brightest region at corresponding positions of the first brightness image and the second brightness image as an active light image.Type: ApplicationFiled: October 15, 2013Publication date: April 24, 2014Applicant: PixArt Imaging Inc.Inventors: Yu-Hao HUANG, Ming-Tsan KAO, Yi-Fang LEE, En-Feng HSU, Meng-Huan HSIEH, Nien-Tse CHEN
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Publication number: 20140101208Abstract: A method for providing a user interface (UI) in an electronic device includes determining at least a starting keyword from a given target database, and associating each said starting keyword with a function of the electronic device; determining at least a linking keyword from a user profile database; creating a keyword tree from the at least a starting keyword and the at least a linking keyword, wherein the keyword tree has at least two layers, and the at least a linking keyword is placed in an upper layer relative to the at least a starting keyword; and providing the keyword tree on the electronic device for a user to browse and thereby select at least a said starting keyword by at least a said linking keyword on the keyword tree, thus starting the function.Type: ApplicationFiled: October 8, 2013Publication date: April 10, 2014Applicants: Industrial Technology Research Institute, International Business Machines CorporationInventors: Mark Hsiao, Yi-Fang Lee, Yin-Pin Yang
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Patent number: 8638398Abstract: A cursor control method for controlling a cursor on an image display includes: providing at least two reference points for generating light of a predetermined spectrum and defining a predetermined area; providing an image sensor pointing inside the predetermined area; receiving the light of the predetermined spectrum by the image sensor to form a digital image; identifying positions and shapes of the images of the reference points on the digital image to form a first parameter; performing distance and angle compensations on the first parameter; moving the aiming point of the image sensor inside the predetermined area to form a second parameter; and calculating an displacement of the images of the reference points on the digital image according to the compensated first and second parameters so as to accordingly control the cursor. The present invention further provides a cursor control apparatus.Type: GrantFiled: January 13, 2012Date of Patent: January 28, 2014Assignee: PixArt Imaging, Inc.Inventors: Tzu Yi Chao, Meng Tsung Wu, Hsin Chia Chen, Chih Hsin Lin, Chang Che Tsai, Chao Chien Huang, Yi Fang Lee
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Publication number: 20140022371Abstract: A pupil detection device includes an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball. The image sensor captures at least one image frame of the eyeball to be served as an image to be identified. The processing unit is configured to calculate a minimum gray value in the image to be identified and to identify a plurality of pixels surrounding the minimum gray value and having gray values within a gray value range as a pupil area.Type: ApplicationFiled: July 3, 2013Publication date: January 23, 2014Inventors: Yu-Hao HUANG, Yi-Fang LEE, Ming-Tsan KAO, Meng-Huan HSIEH, En-Feng HSU, Nien-Tse CHEN
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Patent number: 8633978Abstract: A human face detection device includes a photosensitive element, a human face detection unit, and a skin color threshold generation unit. The photosensitive element is used for capturing a first image containing a first human face block. The human face detection unit compares the first image with at least one human face feature, so as to detect the first human face block. The skin color threshold generation unit is used for updating a skin color threshold value according to the detected first human face block. The skin color threshold value is used for filtering the first image signal to obtain a candidate region, the human face detection unit compares the candidate region with the at least one human face feature to obtain the first human face block, and the skin color threshold value determines whether the first human face block detected by the human face detection unit is correct.Type: GrantFiled: June 23, 2010Date of Patent: January 21, 2014Assignee: Pixart Imaging Inc.Inventors: Shu-Sian Yang, Ren-Hau Gu, Yi-Fang Lee, Ming-Tsan Kao, Teo-Chin Chiang, Chi-Chieh Liao, Wei-Ting Chan, Yu-Hao Huang, Wen-Han Yao
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Publication number: 20130342442Abstract: An input system includes a first gesture detection unit and a second gesture detection unit. The first gesture detection unit includes a first light emitting device for emitting a first light beam, a first light sensing device for receiving the first light beam reflected by a first motion trajectory generated by a user and outputting a first image signal, and a first processing unit for processing the first image signal and outputting a first command signal. The second gesture detection unit includes a second light emitting device for emitting a second light beam, a second light sensing device for receiving the second light beam reflected by a second motion trajectory generated by the user and outputting a second image signal, and a second processing unit for processing the second image signal and outputting a second command signal.Type: ApplicationFiled: May 31, 2013Publication date: December 26, 2013Applicant: PIXART IMAGING INCORPORATION, R.O.C.Inventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao
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Publication number: 20130320191Abstract: An optical detecting apparatus, which comprises: a detecting surface; a first light source, for providing light parallel to the detecting surface; an image sensor, for detecting an object close to the detecting surface, to generate object image data; and an object location determining apparatus, for computing location information of the object according to the object image.Type: ApplicationFiled: December 10, 2012Publication date: December 5, 2013Applicant: PixArt Imaging Inc.Inventors: Hsin-Chia Chen, Shu-Sian Yang, Yi-Fang Lee, Ming-Tsan Kao
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Publication number: 20130307045Abstract: Non-volatile memories and methods of fabrication thereof are described. In one embodiment, a method of fabricating a semiconductor device includes forming an oxide layer over a semiconductor substrate, and exposing the oxide layer to a first nitridation step to form a first nitrogen rich region. The first nitrogen rich region is disposed adjacent an interface between the oxide layer and the semiconductor substrate. After the first nitridation step, the oxide layer is exposed to a second nitridation step to form a second nitrogen rich region. A first gate electrode is formed on the oxide layer, wherein the second nitrogen rich region is disposed adjacent an interface between the oxide layer and the first gate electrode.Type: ApplicationFiled: July 23, 2013Publication date: November 21, 2013Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chih-Wei Lin, Yi-Fang Lee, Cheng-Ta Wu, Cheng-Yuan Tsai
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Publication number: 20130285899Abstract: The present invention discloses a method for outputting a command by detecting a movement of an object, which includes the following steps. First, an image capturing device captures images generated by the movement of the object at different timings by. Next, a motion trajectory is calculated according to the plurality of images. Further next, a corresponding command is outputted according to the motion trajectory. The present invention also provides a system which employs the above-mentioned method.Type: ApplicationFiled: April 18, 2013Publication date: October 31, 2013Applicant: PixArt Imaging IncorporationInventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao, Nien-Tse Chen
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Patent number: 8501610Abstract: Non-volatile memories and methods of fabrication thereof are described. In one embodiment, a method of fabricating a semiconductor device includes forming an oxide layer over a semiconductor substrate, and exposing the oxide layer to a first nitridation step to form a first nitrogen rich region. The first nitrogen rich region is disposed adjacent an interface between the oxide layer and the semiconductor substrate. After the first nitridation step, the oxide layer is exposed to a second nitridation step to form a second nitrogen rich region. A first gate electrode is formed on the oxide layer, wherein the second nitrogen rich region is disposed adjacent an interface between the oxide layer and the first gate electrode.Type: GrantFiled: February 26, 2010Date of Patent: August 6, 2013Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chih-Wei Lin, Yi-Fang Lee, Cheng-Ta Wu, Cheng-Yuan Tsai
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Publication number: 20130100023Abstract: There is provided a click-event detection device including a light source, a light control unit, an image sensor and a processing unit. The light control unit is configured to control the light source to illuminate a finger. The image sensor receives reflected light from the finger to accordingly output a plurality of bright image frames and dark image frames. The processing unit is configured to calculate a differential image characteristic between the bright image frames and the dark image frames, to determine a plurality of operating states according to the differential image characteristic, to count a residence time at each of the operating states, and to identify a click-event according to the operating states and the residence time.Type: ApplicationFiled: September 13, 2012Publication date: April 25, 2013Applicant: PIXART IMAGING INC.Inventors: Hsin Chia CHEN, Yu Hao HUANG, Ren Hau GU, Yi Fang LEE, Ming Tsan KAO
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Patent number: 8390736Abstract: A shooting parameter adjustment method for face detection includes (A) acquiring an image; (B) dividing the image into a plurality of blocks, and calculating a brightness value of each of the blocks; (C) selecting at least one of the plurality of blocks, and adjusting a shooting parameter according to the brightness value of the selected block; and (D) acquiring another image according to the shooting parameter, and performing a face detection procedure with the another image. The shooting parameter adjustment method can automatically adjust a shooting parameter of an image capturing device according to brightness of different blocks in an image. Therefore, by using this method, the brightness of a face, no matter being too high or too low, can be adjusted to a value suitable for face detection, so as to improve the accuracy of the face detection procedure.Type: GrantFiled: June 22, 2010Date of Patent: March 5, 2013Assignee: Pixart Imaging Inc.Inventors: Shu-Sian Yang, Ren-Hau Gu, Yi-Fang Lee, Ming-Tsan Kao, Teo-Chin Chiang, Chi-Chieh Liao, Wei-Ting Chan, Yu-Hao Huang
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Publication number: 20130050100Abstract: A touch system with track detecting function includes a touch pad for sequentially sensing a plurality of positions of an indication object at a plurality of moments in order to detect a track of the indication object on the touch pad, and a processor for continuously generating motion vectors according to the track of the indication object on the touch pad, for generating a candidate motion vector according to at least one motion vector, and for nonlinearly generating a target motion vector according to the candidate motion vector in order to move a target shown on a display panel. Each of the motion vectors represents a difference between a position of the indication object and a next position of the indication object.Type: ApplicationFiled: November 14, 2011Publication date: February 28, 2013Inventors: Yi-Fang Lee, Yao-Hsuan Lin
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Patent number: 8374459Abstract: A dynamic image compression method for human face detection includes the following steps. An original image is acquired. The image is divided into a plurality of blocks. A first brightness and a plurality of gradient values of each block are calculated. A second brightness of each block is calculated according to a brightness transformation function and the first brightness. A reconstruction image is generated according to the second brightness and the plurality of gradient values of each block. Human face detection is performed according to the reconstruction image. Therefore, gradient values within an original square are. When the human face detection process is performed through gradient direction information, a success rate of detection is greatly increased.Type: GrantFiled: June 22, 2010Date of Patent: February 12, 2013Assignee: Pixart Imaging Inc.Inventors: Shu-Sian Yang, Ren-Hau Gu, Yi-Fang Lee, Ming-Tsan Kao, Teo-Chin Chiang, Chi-Cheh Liao, Wei-Ting Chan, Yu-Hao Huang