Patents by Inventor Wen Chen
Wen 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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Publication number: 20240214580Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video decoding. In one method, a decoder constructs a plurality of intra prediction mode groups (IPMGs), and each IPMG of the plurality of IPMGs comprises a plurality of intra prediction modes; in response to determining that a current IPMG is indicated to generate an intra prediction mode for a current block, the decoder may derive a scheme of intra prediction modes to determine a best mode within the current IPMG to generate intra prediction samples for the current block, and the scheme of intra prediction modes comprises decoder-side intra mode derivation (DIMD) and template-based intra mode derivation (TIMD).Type: ApplicationFiled: March 4, 2024Publication date: June 27, 2024Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Hong-Jheng JHU, Yi-Wen CHEN, Xiaoyu XIU, Xianglin WANG, Bing YU
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Publication number: 20240214587Abstract: A method of video coding, an apparatus, and a non-transitory computer-readable storage medium thereof are provided. The method includes obtaining one or more affine candidates from a plurality of non-adjacent neighbor blocks that are non-adjacent to a current block. The method may further include obtaining one or more control point motion vectors (CPMVs) for the current block based on the one or more affine candidates.Type: ApplicationFiled: March 5, 2024Publication date: June 27, 2024Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Wei CHEN, Xiaoyu XIU, Yi-Wen CHEN, Hong-Jheng JHU, Che-Wei KUO, Ning YAN, Xianglin WANG, Bing YU
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Patent number: 12021941Abstract: A method for obtaining enrichment information and a controller are provided. The method includes: querying, by an enrichment information handling circuit, whether a database stores a first enrichment information corresponding to a user device in response to the enrichment information handling circuit receiving a first creation request associated with the user device from an application; triggering, by the enrichment information handling circuit, the application to subscribe to the database for enrichment information corresponding to the user device in response to determining that the database stores the first enrichment information corresponding to the user device; and pushing, by the database, second enrichment information to the application in response to presence of the second enrichment information corresponding to the user device in the database.Type: GrantFiled: December 6, 2021Date of Patent: June 25, 2024Assignee: Industrial Technology Research InstituteInventors: Chang-Lan Tsai, Kai-Wen Chen, Yu-Chieh Wang
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Patent number: 12022059Abstract: Video coding methods and apparatuses are provided. A set of two or more pictures is coded. The set includes at least a first picture coded with a first spatial resolution, and a second picture coded with a second spatial resolution different from the first spatial resolution. The set of two or more pictures is stored in a decoded picture buffer based on corresponding spatial resolutions. The set of two or more pictures stored in the decoded picture buffer is used as a set of reference pictures for coding one or more successive pictures subsequent to the set of two or more pictures. The set of two or more pictures is incorporated into a reference picture list that contains pictures with at least two different spatial resolutions.Type: GrantFiled: December 6, 2019Date of Patent: June 25, 2024Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Xianglin Wang, Yi-Wen Chen, Yunfei Zheng, Xing Wen, Yucong Chen, Yue Huang
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Publication number: 20240199372Abstract: Disclosed are techniques for elevator control. In one aspect, a sensor senses time series data. A system module identifies a feature point of a target object in the time series data, determines whether feature point coordinates of the feature point are located in an offset space, wherein the offset space has a spatial offset to a button, and sends a control signal if the offset space does not overlap with a first sensing range and the system module determines that the feature point coordinates are located in the offset space for a duration exceeding a first threshold time, or if the offset space overlaps with the first sensing range and the system module determines that the feature point coordinates are located in the offset space for a duration exceeding a second threshold time. An elevator floor controller receives the control signal and cancels the triggering of the button.Type: ApplicationFiled: March 24, 2023Publication date: June 20, 2024Applicant: m'Al Touch Technology Co., Ltd.Inventors: Hung-Wen CHEN, Yi-Jiun SHEN, Chen-Wei HU
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Publication number: 20240205521Abstract: A method, computer program product and computer system are provided to minimize data transfer in an online meeting. A processor initiates an online meeting between at least one broadcaster and at least one viewer. A processor captures actions performed by the at least one broadcaster during the online meeting. A processor converts at least one action performed by the broadcaster to a uniform resource identifier (URI). A processor sends the captured actions including the URI to the at least one viewer, where the captured actions including the URI replicate locally the at least one broadcaster's captured actions on a device associated with the viewer.Type: ApplicationFiled: December 14, 2022Publication date: June 20, 2024Inventors: Yi Jie Ma, Jing Wen Chen, Jing Ren, Zhao Yu Wang, Xizhuo Zhang
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Publication number: 20240205436Abstract: A method and an apparatus for hybrid training of neural networks for video coding are provided. The method includes: obtaining, in an offline training stage, an offline trained network by training a neural network offline; and refining, in an online training stage, a plurality of neural network layers with constraint on a plurality of parameters of the plurality of neural network layers, where the plurality of neural network layers may include at least one neural network layer in the offline trained network or in a simple neural network connected to the offline trained network.Type: ApplicationFiled: January 29, 2024Publication date: June 20, 2024Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Wei CHEN, Xiaoyu XIU, Yi-Wen CHEN, Hong-Jheng JHU, Che-Wei KUO, Xianglin WANG, Bing YU
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Publication number: 20240205438Abstract: An electronic apparatus performs a method of decoding video data, including: receiving, from the video signal, a picture frame that includes a first component, and a second component; determining a classifier for a respective sample of the second component using a set of weighted sample values from a first set of samples of the first component associated with the respective sample of the second component, and a second set of samples of the second component associated with the respective sample of the second component, wherein the first set of samples and the second set of samples are collocated, neighbouring, and current samples relative to the respective sample of the second component; determining a sample offset for the respective sample of the second component according to the classifier; and modifying the respective sample of the second component based on the determined sample offset.Type: ApplicationFiled: February 7, 2024Publication date: June 20, 2024Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Che-Wei KUO, Xiaoyu XIU, Wei CHEN, Xianglin WANG, Yi-Wen CHEN, Hong-Jheng JHU, Ning YAN, Bing YU
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Patent number: 12015760Abstract: Provided is a video coding method comprising that the width of a video picture is set to be a first multiple of a first number M, and the first number M is a positive integer. The height of the picture is set to be a second multiple of a second number N, and the second number N is a positive integer. The first number M and the second number N are predetermined. Additionally, it is determined that a merge sharing node is located outside of the picture. The merge sharing node is corresponding to a first region of the picture, a first set of coding units of the picture are within the first region, and the first set of coding units are coded with a merge mode. A constraint process is then applied such that the boundary of the merge sharing node is aligned with the boundary of the picture.Type: GrantFiled: September 7, 2021Date of Patent: June 18, 2024Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Yi-Wen Chen, Xiaoyu Xiu, Tsung-Chuan Ma, Xianglin Wang
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Patent number: 12015798Abstract: An electronic apparatus performs a method of encoding and decoding video data. The method comprises: receiving bitstream encoding a transform block, wherein the transform block includes a non-zero region and a zero-out region; checking whether there is any non-zero coefficient within the zero-out region; in accordance with a determination that there is no non-zero coefficient within the zero-out region of the transform block: determining a scan order index of a last non-zero coefficient of the transform block along a scanning direction; in accordance with a determination that the scan order index of the last non-zero coefficient is greater than a predefined threshold: receiving, from the bitstream, a value for multiple transform selection (MTS) index; and applying respective transforms to transform coefficients of the transform block in both horizontal and vertical directions based on the value of the MTS index.Type: GrantFiled: May 20, 2022Date of Patent: June 18, 2024Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Xiaoyu Xiu, Tsung-Chuan Ma, Yi-Wen Chen, Xianglin Wang, Hong-Jheng Jhu, Bing Yu
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Patent number: 12015791Abstract: A computing device performs a method of decoding video data by receiving bitstream encoding a chroma block, a corresponding luma block, neighboring luma samples, and neighboring chroma samples; decoding the luma block, the plurality of neighboring luma samples, and the plurality of neighboring chroma samples; selecting a group of reference luma samples and a group of reference chroma samples; computing a threshold luma value from the plurality of reconstructed neighboring luma samples, and a threshold chroma value from the plurality of reconstructed neighboring chroma samples; determining a maximum luma value and a minimum luma value from the group of the reference luma samples; generating multi-model linear model (MMLM) including a first linear model between the minimum luma value and the threshold luma value, and a second linear model between the threshold luma value and the maximum luma value; and reconstructing the chroma block from the luma block using MMLM.Type: GrantFiled: March 11, 2020Date of Patent: June 18, 2024Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Xianglin Wang, Hong-Jheng Jhu, Yi-Wen Chen
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Publication number: 20240195998Abstract: A method of video coding comprises independently generating a respective intra prediction for each of a plurality of corresponding sub-partitions. Each respective intra prediction is generated using a plurality of reference samples from a current coding block. Illustratively, no reconstructed sample from a first sub-partition of the plurality of corresponding sub-partitions is used to generate a respective intra prediction for any other sub-partition of the plurality of corresponding sub-partitions, and each of the plurality of corresponding sub-partitions has a width less than or equal to 2.Type: ApplicationFiled: February 9, 2024Publication date: June 13, 2024Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Yi-Wen CHEN, Xiaoyu XIU, Xianglin WANG, Tsung-Chuan MA
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Publication number: 20240196173Abstract: A group-common resource allocation method and a BWP switching method for multicast and broadcast service (MBS) and related devices are provided. The method includes being allocated a unicast bandwidth part (BWP) with one or more group-common resources for MBS by a base station; and staying on a same active unicast BWP for monitoring the one or more group-common resources for MBS reception without any BWP switching, wherein the one or more group-common resources for MBS are confined with resources of the active unicast BWP. With this method, reliability of MBS transmission is improved.Type: ApplicationFiled: March 25, 2022Publication date: June 13, 2024Applicant: PURPLEVINE INNOVATION COMPANY LIMITEDInventor: Chiu-Wen CHEN
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Publication number: 20240196016Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video decoding. In one method, a decoder receives a Sequence Parameter Set (SPS) coefficient enabled flag that indicates whether a slice header (SH) coefficient enabled flag is present in slice header syntax structure referring to the SPS. In a second method, the decoder may receive a Sequence Parameter Set (SPS) transform precision adaption enabled flag that indicates whether downshifts in a scaling process for transform coefficients and in a transformation process for scaled transform coefficients are adaptively assigned by examining coefficients values of dequantization and inverse transform.Type: ApplicationFiled: December 20, 2023Publication date: June 13, 2024Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Hong-Jheng JHU, Xiaoyu XIU, Yi-Wen CHEN, Wei CHEN, Che-Wei KUO, Ning YAN, Xianglin WANG, Bing YU
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Publication number: 20240189961Abstract: A slurry monitoring device, a CMP system and a method of in-line monitoring a slurry are provided. The slurry monitoring device incudes a slurry metrology cell, a plurality of light sources, at least one optical lens, and at least one optical detector. The slurry metrology cell accommodates a slurry. The light sources emit light beams on the slurry in the slurry metrology cell. The at least one optical lens is disposed between the plurality of light sources and the slurry metrology cell. The at least one optical lens modifies a size of a light spot of the light beams impinged on the slurry. The at least one optical detector detects an intensity of the light beams scattered by abrasive particles in the slurry.Type: ApplicationFiled: February 21, 2024Publication date: June 13, 2024Inventors: CHWEN YU, TING-WEN CHEN, CHI WEN KUO
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Publication number: 20240194338Abstract: An auxiliary assessment method for cardiac function performed by a computing unit includes collecting a number of heartbeats and an amount of movement of a subject in a period of time; and calculating a distance per beat to assess cardiac function of the subject. The distance per beat is defined by dividing the amount of movement by the number of heartbeats. A length of the period of time is defined between at least two adjacent heartbeats. The amount of movement corresponds to a cumulative amount of movement in the period of time.Type: ApplicationFiled: July 25, 2023Publication date: June 13, 2024Inventors: Chao-Wen CHEN, Hao-Yun KAO, Yu-Cheng CHUANG, Jo-Nan WU, Wen-Yen CHANG
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Publication number: 20240191831Abstract: A gantry motion platform includes a base, a first transmission mechanism, a second transmission mechanism and a working platform. The first transmission mechanism is mounted on the base and includes two first sliding rails, at least one first sliding block, and a first driving member. The first driving member is mounted on the base and located at a center position between the two first sliding rails. The second transmission mechanism is mounted on the at least one first sliding block and capable of moving along a first direction under driving of the first driving member. The working platform is mounted on the second transmission mechanism and capable of moving along the second direction under driving of a second transmission mechanism, and an angle is defined between the first direction and the second direction.Type: ApplicationFiled: December 13, 2022Publication date: June 13, 2024Inventors: Wen CHEN, Zhi TIAN, Zhelai WANG, Chengjun ZHANG
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Publication number: 20240195957Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video decoding. In one method, a decoder determines a fusion scheme applied in decoder-side intra mode derivation (DIMD) mode and in template-based intra mode derivation (TIMD) mode, and the fusion scheme is applied as a weighted average of predictors in the DIMD mode and in the TIMD mode.Type: ApplicationFiled: February 21, 2024Publication date: June 13, 2024Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Hong-Jheng JHU, Xiaoyu XIU, Yi-Wen CHEN, Wei CHEN, Che-Wei KUO, Ning YAN, Xianglin WANG, Bing YU
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Publication number: 20240195996Abstract: An electronic apparatus performs a method of decoding video data, including: receiving, a plurality of frames, each including a first component and a second component; determining, for a first frame, one or more classifiers for the second component respectively from one or more samples of the first component associated with a respective sample of the second component; and when a received syntax element indicates that differential pulse-code modulation (DPCM) is enabled for signalling a first group of differential sample offsets for the second component of a second frame according to the one or more classifiers: determining a second group of sample offsets for the second component of the second frame by adding the first group of differential sample offsets of the second frame to a first group of sample offsets for the second component of the first frame according to the one or more classifiers.Type: ApplicationFiled: January 26, 2024Publication date: June 13, 2024Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.Inventors: Che-Wei KUO, Xiaoyu XIU, Wei CHEN, Xianglin WANG, Yi-Wen CHEN, Hong-Jheng JHU, Ning YAN, Bing YU
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Patent number: 12008202Abstract: A touch light-emitting module and a manufacturing method thereof are disclosed. The touch light-emitting module includes a printed circuit board and a touch-control conductor. The printed circuit board has a top surface on which a touch-control IC and a luminous unit that is electrically connected are disposed. The touch-control conductor includes a hollowed portion. The touch-control conductor is coated, on the bottom thereof, with a conductive material to combine with the top surface of the printed circuit board, so that the touch-control IC and the luminous unit are located in the hollowed portion. An encapsulation resin is then injected into a space between the printed circuit board and the hollowed portion to complete encapsulation. As such, the present invention offers a simplified structure to achieve an effect of minimization, and also simplifies the manufacturing process and reduces the working time to thereby enhance the yield.Type: GrantFiled: May 11, 2023Date of Patent: June 11, 2024Assignee: LIGITEK ELECTRONICS CO., LTD.Inventors: Yi-Wen Chen, Wen-Chung Chou, I-Hsin Tung