Patents by Inventor Cheng-Tsai Ho

Cheng-Tsai Ho 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: 10356311
    Abstract: An exemplary image processing method includes the following steps: receiving an image input composed of at least one source image; receiving algorithm selection information corresponding to each source image; checking corresponding algorithm selection information of each source image to determine a selected image processing algorithm from a plurality of different image processing algorithms; and performing an object oriented image processing operation upon the source image based on the selected image processing algorithm. The algorithm selection information indicates an image quality of each source image and is generated from one of an auxiliary sensor, an image processing module of an image capture apparatus, a processing circuit being one of a video decoder, a frame rate converter, and an audio/video synchronization (AV-Sync) module, or is a user-defined mode setting.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: July 16, 2019
    Assignee: MEDIATEK INC.
    Inventors: Cheng-Tsai Ho, Ding-Yun Chen, Chi-Cheng Ju
  • Patent number: 10091500
    Abstract: One video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for performing motion estimation. Another video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target coding parameter associated with motion estimation.
    Type: Grant
    Filed: March 2, 2014
    Date of Patent: October 2, 2018
    Assignee: MEDIATEK INC.
    Inventors: Cheng-Tsai Ho, Chi-Cheng Ju, Ding-Yun Chen
  • Patent number: 10057491
    Abstract: An image-based motion sensor has a camera system and a processing system. The camera system generates an image output including a plurality of captured images. The processing system obtains a motion sensor output by processing the image output, and identifies a user input as one of a plurality of pre-defined user actions according to the motion sensor output. Different functions of at least one application performed by one electronic device are controlled by the pre-defined user actions. The motion sensor output includes information indicative of at least one of a motion status and an orientation status of the image-based motion sensor. Each of the captured images has more than one color component, and only values of one single color component are involved in obtaining the motion sensor output.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: August 21, 2018
    Assignee: MEDIATEK INC.
    Inventors: Chi-Cheng Ju, Cheng-Tsai Ho, Ding-Yun Chen
  • Publication number: 20180227573
    Abstract: A control method of an electronic device with an image capture function is provided. The control method includes the following steps: detecting a distance between the electronic device and at least one subject in a scene to be captured to generate a distance detection result; and utilizing a controller for referring to the distance detection result to determine whether to turn on or turn off a flashlight of the electronic device to capture the scene.
    Type: Application
    Filed: April 3, 2018
    Publication date: August 9, 2018
    Applicant: MEDIATEK INC.
    Inventors: Ding-Yun Chen, Guo-Feng Wei, Cheng-Tsai Ho
  • Publication number: 20180176462
    Abstract: An exemplary image processing method includes the following steps: receiving an image input composed of at least one source image; receiving algorithm selection information corresponding to each source image; checking corresponding algorithm selection information of each source image to determine a selected image processing algorithm from a plurality of different image processing algorithms; and performing an object oriented image processing operation upon the source image based on the selected image processing algorithm. The algorithm selection information indicates an image quality of each source image and is generated from one of an auxiliary sensor, an image processing module of an image capture apparatus, a processing circuit being one of a video decoder, a frame rate converter, and an audio/video synchronization (AV-Sync) module, or is a user-defined mode setting.
    Type: Application
    Filed: February 13, 2018
    Publication date: June 21, 2018
    Inventors: Cheng-Tsai Ho, Ding-Yun Chen, Chi-Cheng Ju
  • Publication number: 20180146182
    Abstract: A video frame processing method, which comprises: (a) capturing at least one first video flame via a first camera; (b) capturing at least one second video frame via a second camera; and (c) adjusting one candidate second video frame of the second video frames based on one of the first video frame to generate a target single view video frame.
    Type: Application
    Filed: January 18, 2018
    Publication date: May 24, 2018
    Applicant: MEDIATEK INC.
    Inventors: Chi-Cheng JU, Ding-Yun Chen, Cheng-Tsai Ho, Chia-Ming Cheng, Po-Hao Huang, Yuan-Chung Lee, Chung-Hung Tsai
  • Patent number: 9973743
    Abstract: A control method of an electronic device with an image capture function is provided. The control method includes the following steps: detecting a distance between the electronic device and at least one subject in a scene to be captured to generate a distance detection result; and utilizing a controller for referring to the distance detection result to determine whether to turn on or turn off a flashlight of the electronic device to capture the scene.
    Type: Grant
    Filed: March 8, 2015
    Date of Patent: May 15, 2018
    Assignee: MEDIATEK INC.
    Inventors: Ding-Yun Chen, Guo-Feng Wei, Cheng-Tsai Ho
  • Patent number: 9967556
    Abstract: One video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for performing sample adaptive offset (SAO) filtering. Another video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target coding parameter associated with sample adaptive offset (SAO) filtering.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: May 8, 2018
    Assignee: MEDIATEK INC.
    Inventors: Cheng-Tsai Ho, Chi-Cheng Ju, Ding-Yun Chen
  • Patent number: 9930250
    Abstract: One image processing method has at least the following steps: receiving an image input in a device, wherein the image input is composed of at least one source image; receiving image selection information; regarding a source image included in the image input, checking the image selection information to determine whether the source image is selected or skipped; and performing an object oriented image processing operation upon each selected source image. Another image processing method has at least the following steps: receiving an image input in a device, wherein the image input is composed of at least one source image; receiving algorithm selection information; and regarding a source image included in the image input, checking the algorithm selection information to determine a selected image processing algorithm from a plurality of different image processing algorithms, and performing an image processing operation upon the source image based on the selected image processing algorithm.
    Type: Grant
    Filed: September 15, 2013
    Date of Patent: March 27, 2018
    Assignee: MEDIATEK INC.
    Inventors: Cheng-Tsai Ho, Ding-Yun Chen, Chi-Cheng Ju
  • Patent number: 9912929
    Abstract: A video frame processing method, which comprises: (a) capturing at least one first video frame via a first camera; (b) capturing at least one second video frame via a second camera; and (c) adjusting one candidate second video frame of the second video frames based on one of the first video frame to generate a target single view video frame.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: March 6, 2018
    Assignee: MEDIATEK INC.
    Inventors: Chi-Cheng Ju, Ding-Yun Chen, Cheng-Tsai Ho, Chia-Ming Cheng, Po-Hao Huang, Yuan-Chung Lee, Chung-Hung Tsai
  • Patent number: 9906772
    Abstract: A method for performing multi-camera capturing control of an electronic device and an associated apparatus are provided, where the method can be applied to the electronic device. The method may include the steps of: obtaining a plurality of preview images, wherein the plurality of preview images are generated by using at least one lens module of the electronic device; generating at least one distance-related index according to characteristics of the plurality of preview images; and according to the aforementioned at least one distance-related index, selectively controlling whether to allow multi-camera capturing or controlling whether to output warning information.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: February 27, 2018
    Assignee: MEDIATEK INC.
    Inventors: Ding-Yun Chen, Cheng-Tsai Ho
  • Patent number: 9762901
    Abstract: One video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for performing de-blocking filtering. Another video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target coding parameter associated with de-blocking filtering.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: September 12, 2017
    Assignee: MEDIATEK INC.
    Inventors: Cheng-Tsai Ho, Chi-Cheng Ju, Ding-Yun Chen
  • Patent number: 9756326
    Abstract: A video coding method includes at least the following steps: utilizing a visual quality evaluation module for evaluating visual quality based on data involved in a coding loop; and referring to at least the evaluated visual quality for deciding a target bit allocation of a rate-controlled unit in video coding. Besides, a video coding apparatus has a visual quality evaluation module, a rate controller and a coding circuit. The visual quality evaluation module evaluates visual quality based on data involved in a coding loop. The rate controller refers to at least the evaluated visual quality for deciding a target bit allocation of a rate-controlled unit. The coding circuit has the coding loop included therein, and encodes the rate-controlled unit according to the target bit allocation.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: September 5, 2017
    Assignee: MEDIATEK INC.
    Inventors: Cheng-Tsai Ho, Chi-Cheng Ju, Ding-Yun Chen
  • Patent number: 9681055
    Abstract: A preview system of an image capture apparatus has a processing circuit and a display apparatus. The processing circuit reads an input image, scales at least a portion of the input image to generate a first preview image, and derives a second preview image from a selected portion of the input image. The display apparatus displays the first preview image and the second preview image, concurrently. Besides, a preview method for an image capture apparatus includes at least the following steps: reading an input image; scaling at least a portion of the input image to generate a first preview image; deriving a second preview image from a selected portion of the input image; and displaying the first preview image and the second preview image on a display apparatus, concurrently.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: June 13, 2017
    Assignee: MEDIATEK INC.
    Inventors: Chi-Cheng Ju, Ding-Yun Chen, Cheng-Tsai Ho
  • Publication number: 20170163893
    Abstract: An image-based motion sensor has a camera system and a processing system. The camera system generates an image output including a plurality of captured images. The processing system obtains a motion sensor output by processing the image output, and identifies a user input as one of a plurality of pre-defined user actions according to the motion sensor output. Different functions of at least one application performed by one electronic device are controlled by the pre-defined user actions. The motion sensor output includes information indicative of at least one of a motion status and an orientation status of the image-based motion sensor. Each of the captured images has more than one color component, and only values of one single color component are involved in obtaining the motion sensor output.
    Type: Application
    Filed: February 22, 2017
    Publication date: June 8, 2017
    Inventors: Chi-Cheng Ju, Cheng-Tsai Ho, Ding-Yun Chen
  • Patent number: 9621908
    Abstract: A method and computer readable medium storing a corresponding computer program for decoding a video bitstream based on processors using dynamic load balancing are disclosed. In one embodiment of the present invention, the method configures multiple processors to perform the multiple processing modules including a prediction module by mapping the multiple processing modules to the multiple processors. One or more buffer queues are used among said multiple processing modules and the mapping the prediction module to the multiple processors is based on the level of the buffer queue. The multiple processors may correspond to a multi-core Central Processing Unit (CPU) comprising of multiple CPUs or a multi-core Digital Signal Processor (DSP) comprising of multiple DSPs to practice the present invention.
    Type: Grant
    Filed: September 2, 2012
    Date of Patent: April 11, 2017
    Assignee: MEDIATEK INC.
    Inventors: Ding-Yun Chen, Cheng-Tsai Ho, Chi-Cheng Ju, Chung-Hung Tsai
  • Patent number: 9609217
    Abstract: An image-based motion sensor includes a camera system and a processing system. The camera system is arranged for generating an image output including a plurality of captured images. The processing system is arranged for obtaining a motion sensor output by processing the image output, wherein the motion sensor output includes information indicative of at least one of a motion status and an orientation status of the image-based motion sensor. For example, information indicative of the orientation status of the image-based motion sensor may includes roll, pitch, and yaw related motion information, and information indicative of the motion status of the image-based motion sensor may includes speed, acceleration and displacement information.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: March 28, 2017
    Assignee: MEDIATEK INC.
    Inventors: Chi-Cheng Ju, Cheng-Tsai Ho, Ding-Yun Chen
  • Publication number: 20170078573
    Abstract: Methods and apparatuses pertaining to adaptive power saving for multi-frame processing may involve monitoring for at least one condition associated with an apparatus. In response to a result of the monitoring, image processing performed on a plurality of input image frames may be dynamically adjusted to provide one or more output image frames.
    Type: Application
    Filed: November 24, 2016
    Publication date: March 16, 2017
    Inventors: Ding-Yun Chen, Cheng-Tsai Ho
  • Publication number: 20170034448
    Abstract: A preview system of an image capture apparatus has a processing circuit and a display apparatus. The processing circuit reads an input image, scales at least a portion of the input image to generate a first preview image, and derives a second preview image from a selected portion of the input image. The display apparatus displays the first preview image and the second preview image, concurrently. Besides, a preview method for an image capture apparatus includes at least the following steps: reading an input image; scaling at least a portion of the input image to generate a first preview image; deriving a second preview image from a selected portion of the input image; and displaying the first preview image and the second preview image on a display apparatus, concurrently.
    Type: Application
    Filed: October 17, 2016
    Publication date: February 2, 2017
    Inventors: Chi-Cheng Ju, Ding-Yun Chen, Cheng-Tsai Ho
  • Patent number: 9560276
    Abstract: An exemplary video recording method of recording an output video sequence for an image capture module includes at least the following steps: deriving a first video sequence from an input video sequence generated by the image capture module, wherein the first video sequence is composed of a plurality of video frames; calculating an image quality metric value for each of the video frames of the first video sequence; referring to the image quality metric value to select or drop each of the video frames of the first video sequence, and accordingly obtaining a second video sequence composed of selected video frames; and generating the recorded output video sequence according to the second video sequence.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: January 31, 2017
    Assignee: MEDIATEK INC.
    Inventors: Chi-Cheng Ju, Ding-Yun Chen, Cheng-Tsai Ho