Patents by Inventor Chih-Ming Fu
Chih-Ming Fu 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: 11648853Abstract: A seat adjustment system for a vehicle seat is provided. The seat adjustment system includes a seat body; at least one actuating unit, configured to adjust a support of the seat body; a sensing unit, configured to obtain and provide seat information and body shape data of a back of an occupant; and a control unit, configured to control the at least one actuating unit; wherein when one parameter of the seat body changes, the control unit makes a portion of the body shape data of the occupant in a pre-defined range via the at least one actuating unit.Type: GrantFiled: August 31, 2020Date of Patent: May 16, 2023Assignee: BIOLOGUE CO., LTD.Inventors: Chih-Ming Fu, Ching-Feng Cheng, Chia-Yu Yu, Yen-Ku Chen, Shu-An Lee, Sheng-Chi Kao
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Patent number: 11464446Abstract: A physiological status monitoring apparatus is provided. The physiological status monitoring apparatus comprises a motion sensor, an event detector, and an estimator. The motion sensor senses movement of an object to generate a sensing signal. The event detector detects abnormal events occurring on the object according to the sensing signal. The estimator outputs an index according to at least one abnormal event which occurs during a predetermined time period to indicate a possibility of pauses in breathing.Type: GrantFiled: April 17, 2019Date of Patent: October 11, 2022Assignee: MEDIATEK INC.Inventors: Chih-Ming Fu, Hung-Chih Chiu
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Patent number: 11241173Abstract: A physiological monitoring system is provided. The physiological monitoring system includes a feature extraction device, an identifier, a processor, a physiological sensing device, and a vital-sign detector. The feature extraction device extracts biological information of an object to generate an extraction signal. The identifier receives the extraction signal and verifies an identity of the object according to the extraction signal. The processor receives the extraction signal and obtains at least one biological feature of the user according to the extraction signal. The physiological sensing device senses a physiological feature to generate a bio-signal. The vital-sign detector estimates vital-sign data of the object according to the bio-signal and the at least one biological feature.Type: GrantFiled: July 9, 2020Date of Patent: February 8, 2022Assignee: MEDIATEK INC.Inventors: Yuan-Wen Ting, Yu-Ting Liu, Chih-Ming Fu, Che-Kuang Lin
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Publication number: 20220007971Abstract: A physiological monitoring system is provided. The physiological monitoring system includes a feature extraction device, an identifier, a processor, a physiological sensing device, and a vital-sign detector. The feature extraction device extracts biological information of an object to generate an extraction signal. The identifier receives the extraction signal and verifies an identity of the object according to the extraction signal. The processor receives the extraction signal and obtains at least one biological feature of the user according to the extraction signal. The physiological sensing device senses a physiological feature to generate a bio-signal. The vital-sign detector estimates vital-sign data of the object according to the bio-signal and the at least one biological feature.Type: ApplicationFiled: July 9, 2020Publication date: January 13, 2022Inventors: Yuan-Wen TING, Yu-Ting LIU, Chih-Ming FU, Che-Kuang LIN
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Publication number: 20210380021Abstract: A seat adjustment system for a vehicle seat is provided. The seat adjustment system includes a seat body; at least one actuating unit, configured to adjust a support of the seat body; a sensing unit, configured to obtain and provide seat information and body shape data of a back of an occupant; and a control unit, configured to control the at least one actuating unit; wherein when one parameter of the seat body changes, the control unit makes a portion of the body shape data of the occupant in a pre-defined range via the at least one actuating unit.Type: ApplicationFiled: August 31, 2020Publication date: December 9, 2021Inventors: Chih-Ming Fu, Ching-Feng Cheng, Chia-Yu Yu, Yen-Ku Chen, Shu-An Lee, Sheng-Chi Kao
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Patent number: 11064209Abstract: A system and method of content adaptive pixel intensity processing are described. The method includes receiving a predefined set of processed video data configured from the processed video data, deriving a range information associated with an original maximum value and an original minimum value for a predefined set of original video data, wherein the predefined set of processed video data is derived from the predefined set of original video data, and adaptively clipping pixel intensity of the predefined set of processed video data to a range deriving from the range information, wherein the range information is incorporated in a bitstream and represented in a form of the original maximum value and the original minimum value, prediction values associated with a reference maximum value and a reference minimum value, or a range index associated with a predefined range set.Type: GrantFiled: May 6, 2019Date of Patent: July 13, 2021Assignee: MEDIATEK INC.Inventors: Chih-Ming Fu, Ching-Yeh Chen, Yu-Wen Huang
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Publication number: 20200330030Abstract: A physiological status monitoring apparatus is provided. The physiological status monitoring apparatus comprises a motion sensor, an event detector, and an estimator. The motion sensor senses movement of an object to generate a sensing signal. The event detector detects abnormal events occurring on the object according to the sensing signal. The estimator outputs an index according to at least one abnormal event which occurs during a predetermined time period to indicate a possibility of pauses in breathing.Type: ApplicationFiled: April 17, 2019Publication date: October 22, 2020Inventors: Chih-Ming FU, Hung-Chih CHIU
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Publication number: 20200297216Abstract: A physiological monitoring system is provided. The physiological monitoring system includes a vital-sign detection device and a controller. The vital-sign detection device emits visible light during a first period to detect a vital-sign of an object. During the first period, the controller determines whether a first predetermined event occurs. In response to the first predetermined event occurring, the controller controls the vital-sign detection device to emit invisible light during a second period to detect the vital-sign.Type: ApplicationFiled: January 14, 2020Publication date: September 24, 2020Inventors: Chih-Ming FU, Shu-Yu HSU, Hung-Chih CHIU, Tsan-Jieh CHEN
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Publication number: 20200237240Abstract: A vital-sign estimation apparatus is provided. The vital-sign estimation apparatus includes a physiological sensing device, a model generation circuit, and a vital-sign estimator. The physiological sensing device is configured to sense at least one physiological feature of an object to acquire at least one bio-signal. The model generation circuit provides a first reference model serving as an estimation mode. The vital-sign estimator generates vital-sign data according to the at least one bio-signal by using the estimation model. In response to the vital-sign estimation apparatus receiving calibration data, the model generation circuit changes the estimation model according to the calibration data thereby calibrating the vital-sign estimator.Type: ApplicationFiled: January 28, 2019Publication date: July 30, 2020Inventor: Chih-Ming FU
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Patent number: 10567751Abstract: In one embodiment, a method receives a video bitstream corresponding to compressed video, wherein Filter Unit (FU) based in-loop filtering is allowed in a reconstruction loop associated with the compressed video. The method then derives reconstructed video from the video bitstream, wherein the reconstructed video is partitioned into FUs and derives a merge flag from the video bitstream for each of the FUs, wherein the merge flag indicates whether said each of the FUs is merged with a neighboring FU. The method further receives a merge index from the video bitstream if the merge flag indicates that said each of the FUs is merged, and receives the filter parameters from the video bitstream if the merge flag indicates that said each of the FUs is not merged. Finally, the method applies the in-loop filtering to said each of the FUs using the filter parameters.Type: GrantFiled: December 14, 2017Date of Patent: February 18, 2020Assignee: HFI INNOVATION INC.Inventors: Ching-Yeh Chen, Chih-Ming Fu, Chia-Yang Tsai, Yu-Wen Huang, Shaw-Min Lei
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Patent number: 10511843Abstract: A method and apparatus for loop filter processing of video data in a video encoder or decoder are disclosed. Embodiments according to the present invention conditionally allow sharing of loop filter parameters. In one embodiment, sharing of loop filter information between the current block and a neighboring block is determined according to a condition. If the condition indicates that sharing of loop filter information is allowed, a merge flag is coded and incorporated in the video bitstream in an encoder, and a merge flag is parsed from the video bitstream and decoded in a decoder. In one embodiment, the condition depends on region partitioning of the picture, where region partitioning partitions the picture into regions and the region may correspond to a slice or a tile. The condition is set to indicate that sharing of loop filter information is allowed if the block and the neighboring block are in a same slice/tile.Type: GrantFiled: February 22, 2013Date of Patent: December 17, 2019Assignee: HFI Innovation Inc.Inventors: Chih-Ming Fu, Chia-Yang Tsai, Chih-Wei Hsu, Ching-Yeh Chen, Yu-Wen Huang, Shaw-Min Lei
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Patent number: 10405004Abstract: A method and apparatus for processing reconstructed video using in-loop filter in a video coding system are disclosed. The method uses chroma in-loop filter indication to indicate whether chroma components are processed by in-loop filter when the luma in-loop filter indication indicates that in-loop filter processing is applied to the luma component. An additional flag may be used to indicate whether the in-loop filter processing is applied to an entire picture using same in-loop filter information or each block of the picture using individual in-loop filter information. Various embodiments according to the present invention to increase efficiency are disclosed, wherein various aspects of in-loop filter information are taken into consideration for efficient coding such as the property of quadtree-based partition, boundary conditions of a block, in-loop filter information sharing between luma and chroma components, indexing to a set of in-loop filter information, and prediction of in-loop filter information.Type: GrantFiled: February 4, 2016Date of Patent: September 3, 2019Assignee: HFI INNOVATION INC.Inventors: Chih-Ming Fu, Ching-Yeh Chen, Chia-Yang Tsai, Yu-Wen Huang, Shaw-Min Lei
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Publication number: 20190261008Abstract: A system and method of content adaptive pixel intensity processing are described. The method includes receiving a predefined set of processed video data configured from the processed video data, deriving a range information associated with an original maximum value and an original minimum value for a predefined set of original video data, wherein the predefined set of processed video data is derived from the predefined set of original video data, and adaptively clipping pixel intensity of the predefined set of processed video data to a range deriving from the range information, wherein the range information is incorporated in a bitstream and represented in a form of the original maximum value and the original minimum value, prediction values associated with a reference maximum value and a reference minimum value, or a range index associated with a predefined range set.Type: ApplicationFiled: May 6, 2019Publication date: August 22, 2019Inventors: Chih-Ming Fu, Ching-Yeh Chen, Yu-Wen Huang
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Publication number: 20190149846Abstract: A method and apparatus for processing reconstructed video using in-loop filter in a video coding system are disclosed. The method uses chroma in-loop filter indication to indicate whether chroma components are processed by in-loop filter when the luma in-loop filter indication indicates that in-loop filter processing is applied to the luma component. An additional flag may be used to indicate whether the in-loop filter processing is applied to an entire picture using same in-loop filter information or each block of the picture using individual in-loop filter information. Various embodiments according to the present invention to increase efficiency are disclosed, wherein various aspects of in-loop filter information are taken into consideration for efficient coding such as the property of quadtree-based partition, boundary conditions of a block, in-loop filter information sharing between luma and chroma components, indexing to a set of in-loop filter information, and prediction of in-loop filter information.Type: ApplicationFiled: January 16, 2019Publication date: May 16, 2019Inventors: Chih-Ming FU, Ching-Yeh CHEN, Chia-Yang TSAI, Yu-Wen HUANG, Shaw-Min LEI
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Patent number: 10291921Abstract: A system and method of content adaptive pixel intensity processing are described. The method includes receiving a predefined set of processed video data configured from the processed video data, deriving a range information associated with an original maximum value and an original minimum value for a predefined set of original video data, wherein the predefined set of processed video data is derived from the predefined set of original video data, and adaptively clipping pixel intensity of the predefined set of processed video data to a range deriving from the range information, wherein the range information is incorporated in a bitstream and represented in a form of the original maximum value and the original minimum value, prediction values associated with a reference maximum value and a reference minimum value, or a range index associated with a predefined range set.Type: GrantFiled: August 16, 2016Date of Patent: May 14, 2019Assignee: MEDIATEK INC.Inventors: Chih-Ming Fu, Ching-Yeh Chen, Yu-Wen Huang
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Patent number: 10178410Abstract: A method and apparatus for three-dimensional and scalable video coding are disclosed. Embodiments according to the present invention determine a motion information set associated with the video data, wherein at least part of the motion information set is made available or unavailable conditionally depending on the video data type. The video data type may correspond to depth data, texture data, a view associated with the video data in three-dimensional video coding, or a layer associated with the video data in scalable video coding. The motion information set is then provided for coding or decoding of the video data, other video data, or both. At least a flag may be used to indicate whether part of the motion information set is available or unavailable. Alternatively, a coding profile for the video data may be used to determine whether the motion information is available or not based on the video data type.Type: GrantFiled: August 29, 2013Date of Patent: January 8, 2019Assignee: MEDIATEK INC.Inventors: Chih-Ming Fu, Yi-Wen Chen, Jian-Liang Lin, Yu-Wen Huang
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Patent number: 10116967Abstract: A method and apparatus for Sample Adaptive Offset (SAO) processing of video data in a video decoder are disclosed. In an embodiment, the method includes receiving a block of processed-reconstructed pixels associated with a picture from a media or a processor, wherein the block of processed-reconstructed pixels are decoded from a video bitstream; determining a SAO type index from the video bitstream, wherein the SAO type index is decoded according to truncated unary binarization, the SAO type index is decoded using CABAC (context-based adaptive binary arithmetic coding) with one context, or the SAO type index is decoded by CABAC using a context mode for a first bin associated with the SAO type index and using a bypass mode for any remaining bin associated with the SAO type index; and applying SAO processing to the block of processed-reconstructed pixels based on SAO information including the SAO type index.Type: GrantFiled: October 19, 2016Date of Patent: October 30, 2018Assignee: HFI INNOVATION INC.Inventors: Chih-Ming Fu, Yu-Wen Huang, Chih-Wei Hsu, Shaw-Min Lei
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Patent number: 9998737Abstract: A method and apparatus for processing of coded video using in-loop processing are disclosed. The method operates by receiving input data to said in-loop processing, wherein the input data corresponds to reconstructed coding units of the picture; configuring the input data into multiple filter units; selecting a filter from a candidate filter set comprising at least two candidate filters associated with said in-loop processing for one of said multiple filter units; applying said in-loop processing to said one of said multiple filter units using the selected filter to generate a processed filter unit, wherein when said one of said multiple filter units comprises at least two reconstructed coding units, the selected filter is applied to all of said at least two reconstructed coding units; and providing processed video data comprising the processed filter unit. The apparatus provide circuits to carryout the operations of the method.Type: GrantFiled: February 23, 2017Date of Patent: June 12, 2018Assignee: HFI INNOVATION INC.Inventors: Chih-Ming Fu, Ching-Yeh Chen, Chia-Yang Tsai, Yu-Wen Huang, Shaw-Min Lei
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Publication number: 20180109785Abstract: In one embodiment, a method receives a video bitstream corresponding to compressed video, wherein Filter Unit (FU) based in-loop filtering is allowed in a reconstruction loop associated with the compressed video. The method then derives reconstructed video from the video bitstream, wherein the reconstructed video is partitioned into FUs and derives a merge flag from the video bitstream for each of the FUs, wherein the merge flag indicates whether said each of the FUs is merged with a neighboring FU. The method further receives a merge index from the video bitstream if the merge flag indicates that said each of the FUs is merged, and receives the filter parameters from the video bitstream if the merge flag indicates that said each of the FUs is not merged. Finally, the method applies the in-loop filtering to said each of the FUs using the filter parameters.Type: ApplicationFiled: December 14, 2017Publication date: April 19, 2018Inventors: Ching-Yeh CHEN, Chih-Ming FU, Chia-Yang TSAI, Yu-Wen HUANG, Shaw-Min LEI
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Patent number: 9942571Abstract: A method and apparatus for sharing context among different SAO syntax elements for a video coder are disclosed. Embodiments of the present invention apply CABAC coding to multiple SAO syntax elements according to a joint context model, wherein the multiple SAO syntax elements share the joint context. The multiple SAO syntax elements may correspond to SAO merge left flag and SAO merge up flag. The multiple SAO syntax elements may correspond to SAO merge left flags or merge up flags associated with different color components. The joint context model can be derived based on joint statistics of the multiple SAO syntax elements. Embodiments of the present invention code the SAO type index using truncated unary binarization, using CABAC with only one context, or using CABAC with context mode for the first bin associated with the SAO type index and with bypass mode for any remaining bin.Type: GrantFiled: April 2, 2013Date of Patent: April 10, 2018Assignee: HFI INNOVATIONS INC.Inventors: Chih-Ming Fu, Yu-Wen Huang, Chih-Wei Hsu, Shaw-Min Lei