Patents by Inventor Tsu-Ming Liu

Tsu-Ming Liu 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).

  • Patent number: 10432856
    Abstract: Methods and apparatus of compression for pre-stitched pictures captured by multiple cameras of a panoramic video capture device are disclosed. At the encoder side, stitching information associated with a stitching process to form the pre-stitched pictures is used to encode a current block according to embodiments of the present invention, where the stitching information comprises calibration data, matching results, seam position, blending level, sensor data, or a combination thereof. In one embodiment, the stitching information corresponds to matching results associated with a projection process, and projection-based Inter prediction is used to encode the current block by projecting a reference block in a reference pre-stitched picture to coordinates of the current block. In another embodiment, the stitching information corresponds to seam information associated with seam detection, and seam-based Inter prediction is used to encode the current block by utilizing the seam information.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: October 1, 2019
    Assignee: MEDIATEK INC.
    Inventors: Tsui-Shan Chang, Yu-Hao Huang, Chih-Kai Chang, Tsu-Ming Liu
  • Patent number: 10419668
    Abstract: A portable device has an adaptive panoramic image processor. The portable device further has a plurality of image sensors having overlapping fields of view and an input device receiving a trigger signal that triggers the plurality of image sensors to capture a plurality of images. The adaptive panoramic image processor of the portable device processes the images to form a panorama based on side information about the portable device.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: September 17, 2019
    Assignee: MEDIATEK INC.
    Inventors: Tsu-Ming Liu, Kui-Chang Tseng, Chi-Cheng Ju, Chih-Ming Wang
  • Patent number: 10366467
    Abstract: A method for storing data of an image frame into a frame buffer includes at least the following steps: dividing the image frame into a plurality of access units, each having at least one encoding unit, wherein each encoding unit is a unit for data compression; and performing the data compression upon each encoding unit of the image frame, and generating an output bitstream to the frame buffer based on a data compression result of the encoding unit. A processing result of each access unit includes each output bitstream of the at least one encoding unit included in the access unit; a plurality of processing results of the access units are stored in a plurality of storage spaces allocated in the frame buffer, respectively; and a size of each of the storage spaces is equal to a size of a corresponding access unit.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: July 30, 2019
    Assignee: MEDIATEK INC.
    Inventors: Tsu-Ming Liu, Ping Chao, Yung-Chang Chang
  • Patent number: 10242641
    Abstract: A data processing apparatus has a first compressor, a second compressor, a first output interface, and a second output interface. The first compressor generates first compressed display data by performing compression upon display data of a first partial region of a frame according to a first compression order. The second compressor generates second compressed display data by performing compression upon display data of a second partial region of the frame according to a second compression order. There is a boundary between the first partial region and the second partial region. In a horizontal direction, the first compression order on one side of the first boundary is opposite to the second compression order on another side of the first boundary. The first and second output interfaces output the first and second compressed display data via a first display port and a second display port of a display interface, respectively.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: March 26, 2019
    Assignee: MEDIATEK INC.
    Inventors: Chi-Cheng Ju, Tsu-Ming Liu
  • Patent number: 10235973
    Abstract: An optical sensing method capable of changing a sensing direction of an optical sensing module is applied to a portable device, which includes a housing, an optical sensing module and an optical diverting mechanism. The optical sensing module is disposed inside the housing. The optical sensing module includes an optical emitter adapted to emit an optical sensing signal out of the housing and an optical receiver adapted to receive an optical modulated signal reflected from an external object. The optical diverting mechanism is adjacent by the optical sensing module. The optical sensing signal is directly projected while the optical sensing signal is not diverted by the optical diverting mechanism, and the optical sensing signal is transmitted to a second direction different from the first direction while the optical sensing signal is diverted by the optical diverting mechanism.
    Type: Grant
    Filed: December 20, 2015
    Date of Patent: March 19, 2019
    Assignee: MEDIATEK INC.
    Inventors: Kui-Chang Tseng, Tsu-Ming Liu
  • Patent number: 10225442
    Abstract: An electronic device for sensing air quality is provided. The electronic device includes a proximity sensor, a processor and a memory. The proximity sensor at least includes a light source and a light sensor. The light source emits light toward particulate matter in air, wherein the light is reflected by a surface of the particulate matter to form reflected light. The light sensor senses the reflected light. The processor is coupled to the proximity sensor, and the memory is operatively coupled to the processor. The processor is configured to execute program code stored in the memory by: obtaining an air quality value corresponding to an intensity value of the reflected light according to an air quality table.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: March 5, 2019
    Assignee: MEDIATEK INC.
    Inventors: Kui-Chang Tseng, Tsu-Ming Liu
  • Publication number: 20190052799
    Abstract: A perception-based image processing apparatus includes an image analyzing circuit and an application circuit. The image analyzing circuit obtains training data, sets a perception model according to the training data, performs an object detection of at least one frame, and generates an object detection information signal based at least partly on a result of the object detection of said at least one frame. The application circuit operates in response to the object detection information signal.
    Type: Application
    Filed: August 8, 2018
    Publication date: February 14, 2019
    Inventors: Tsu-Ming Liu, Chang-Hung Tsai, Tung-Hsing Wu, Jia-Ying Lin, Li-Heng Chen, Han-Liang Chou, Chi-Cheng Ju
  • Patent number: 10204596
    Abstract: A controller for generating an output image to be rendered on a transparent display panel is provided. The controller is configured to: receive an input image; calculate an opacity of each pixel in the input image according to a predetermined equation associated with the transparent display panel; determine a display mode of one or more portions of the input image according to transparency indication information associated with the one or more portions of the input image, wherein the display mode corresponds to transparency of the one or more portions in the input image; and obtain the output image to be displayed on the transparent display panel according to the determined display mode of the one or more portion of the input image.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: February 12, 2019
    Assignee: MEDIATEK INC.
    Inventors: Chih-Kai Chang, Tsu-Ming Liu
  • Patent number: 10200603
    Abstract: A data processing apparatus has a camera sensor, a camera buffer, a compressor, and an output interface. The camera sensor generates an input multimedia data. The camera buffer stores a first data derived from the input multimedia data. The compressor generates a compressed multimedia data by compressing a second data derived from the input multimedia data. The output interface packs the compressed multimedia data into a bitstream, and outputs the bitstream via a camera interface. The camera interface is coupled between the data processing apparatus and another data processing apparatus that are located at different chips, and the camera interface is a chip-to-chip interface that provides direct pin connections between the different chips.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: February 5, 2019
    Assignee: MEDIATEK INC.
    Inventors: Chi-Cheng Ju, Tsu-Ming Liu
  • Patent number: 10187569
    Abstract: A portable device capable of building a panorama, a panoramic video or/and a panoramic audio. The portable device has a plurality of sensors with overlapping sensing areas and an input device receiving a trigger signal that triggers the sensors to sense data for generating a panoramic photo/video/audio file.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: January 22, 2019
    Assignee: MEDIATEK INC.
    Inventors: Tsu-Ming Liu, Kui-Chang Tseng, Chi-Cheng Ju, Chih-Ming Wang
  • Patent number: 10171824
    Abstract: Method and system of video decoding incorporating frame compression to reduce frame buffer size are disclosed. The method adjusts parameters of the frame compression according to decoder system information or syntax element in the video bitstream. The decoder system information may be selected from a group consisting of system status, system parameter and a combination of system status and system parameter. The decoder system information may include system bandwidth, frame buffer size, frame buffer status, system power consumption, and system processing load. The syntax element comprises reference frame indicator, initial picture QP (quantization parameter), picture type, and picture size. The adaptive frame compression may be applied to adjust compression ratio. Furthermore, the adaptive frame compression may be applied to a decoder for a scalable video coding system or a multi-layer video coding system.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: January 1, 2019
    Assignee: MEDIATEK INC.
    Inventors: Tsu-Ming Liu, Yung-Chang Chang, Chi-Cheng Ju
  • Patent number: 10148857
    Abstract: An electronic device for sensing touch force is provided. The electronic device includes a display screen, a pressure sensor, a processor and a memory. The pressure sensor senses at least one touch force in a direction that is perpendicular to a plane of the display screen and generates at least one sensing signal responsive to the at least one touch force. The processor is coupled to the pressure sensor and the display screen. The memory is operatively coupled to the processor. The processor is configured to execute program code stored in the memory by: generating a control signal corresponding to the at least one sensing signal; and performing an operation according to the control signal.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: December 4, 2018
    Assignee: MEDIATEK INC.
    Inventors: Kui-Chang Tseng, Tsu-Ming Liu
  • Patent number: 10136114
    Abstract: A projection display component of an electronic device includes a carrier and a first cover. The carrier is arranged to carry the electronic device. The first cover is arranged to partially reflect a projected image from the electronic device. The first cover is attached to the carrier via a first hinge set.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: November 20, 2018
    Assignee: MEDIATEK INC.
    Inventors: Tsu-Ming Liu, Chih-Kai Chang, Chi-Cheng Ju, Chih-Ming Wang
  • Patent number: 10122898
    Abstract: An electronic device is provided. The electronic device includes a housing; a camera module disposed in the housing and having a lens outstanding from a surface of the housing; and a protection unit connected to the housing, wherein when the camera module is in an off-state, a top surface of the protection unit is higher than a surface of the lens, when the camera module is in an on-state, the top surface of the protection unit is lower than the surface of the lens.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: November 6, 2018
    Assignee: MEDIATEK INC.
    Inventors: Yu-Chun Chang, Tsu-Ming Liu
  • Patent number: 10089955
    Abstract: A data processing apparatus has a first compressor, a second compressor, a first output interface, and a second output interface. The first compressor performs compression upon a first portion of an input display data of a frame to generate a first compressed display data, wherein the compression performed upon the first portion of the input display data has a first compression configuration. The second compressor performs compression upon a second portion of the input display data of the frame to generate a second compressed display data, wherein the compression performed upon the second portion of the input display data has a second compression configuration. The first output interface transmits the first compressed display data over a first display port of a display interface. The second output interface transmits the second compressed display data over a second display port of the display inter face.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: October 2, 2018
    Assignee: MEDIATEK INC.
    Inventors: Chi-Cheng Ju, Tsu-Ming Liu
  • Publication number: 20180260042
    Abstract: A processor of an apparatus receives sensor data from an inertial measurement unit (IMU). The processor also receives image data. The processor performs a fusion process on the sensor data and the image data to provide a translation output. The processor then performs one or more six-degrees-of-freedom (6DoF)-related operations using the translation output.
    Type: Application
    Filed: March 7, 2018
    Publication date: September 13, 2018
    Inventors: Kui-Chang Tseng, Tsu-Ming Liu
  • Patent number: 10055563
    Abstract: A wearable device interactive system and techniques, methods and apparatuses thereof are described. A wearable device may sense a movement by a user wearing the wearable device. The wearable device may also determine whether a path of the movement corresponds to one or more predefined patterns. The wearable device may further perform one or more operations in response to a determination that the path of the movement corresponds to at least one of the one or more predefined patterns.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: August 21, 2018
    Assignee: MEDIATEK INC.
    Inventors: Yu-Hao Huang, Chih-Kai Chang, Chun-Chia Chen, Tsu-Ming Liu
  • Publication number: 20180218594
    Abstract: A depth-control method for home appliances in an indoor space and an associated electronic system are provided. The method includes the steps of: connecting the home appliances to a portable electronic device via one or more wireless channels; obtaining identity information for the home appliances using the portable electronic device via the one or more wireless channels; detecting sensor data associated with the portable electronic device; selecting one among a first set of the home appliances according to the sensor data; and controlling the selected home appliance using the portable electronic device.
    Type: Application
    Filed: January 30, 2017
    Publication date: August 2, 2018
    Inventors: Chih-Kai CHANG, Shuo-Li SHIH, Chun-Chia CHEN, Tsu-Ming LIU
  • Patent number: 10007304
    Abstract: A portable device is utilized to execute a vibration detecting method. The portable device includes a vibration detecting module and a computing unit. The vibration detecting module is adapted to detect a vibration signal. The computing unit is electrically connected to the vibration detecting module and adapted to analyze the vibration signal to acquire a related vibration parameter, so as to actuate an application program of the portable device accordingly.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: June 26, 2018
    Assignee: MEDIATEK INC.
    Inventors: Shuo-Li Shih, Chun-Chia Chen, Tsu-Ming Liu
  • Patent number: 9978341
    Abstract: A visual data processing method applied to a visual data processing system. The visual data processing method comprises: (a) detecting a gazing point position of a user on a display; and (b) performing at least one process operation to visual data according to at least one distance between at least one display location for the visual data on the display and the gazing point position.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: May 22, 2018
    Assignee: MEDIATEK INC.
    Inventors: Tsui-Shan Chang, Tsu-Ming Liu