Patents Assigned to Rockchip Electronics Co., Ltd.
  • Publication number: 20240129513
    Abstract: An apparatus and a method for outputting image data, and an electronic device are provided. The apparatus includes a first parameter setter, an image signal processor, and an encoder, wherein the first parameter setter sets a first configuration parameter for the image signal processor based on a complexity associated with an input image frame, wherein the image signal processor performs an image signal processing on at least one image frame to generate processed image data based on the first configuration parameter, wherein the encoder performs encoding processing on the processed image data to generate encoded image data. The apparatus and the method for outputting image data, and the electronic device of the present disclosure adjust parameters of the image signal processor and the encoder according to the complexity associated with an input image frame, thereby effectively improving the overall performance of image processing, encoding and compression.
    Type: Application
    Filed: September 1, 2023
    Publication date: April 18, 2024
    Applicant: Rockchip Electronics Co., Ltd.
    Inventors: Zhichao YU, Delong HE, Zhihua WANG, Yongzhen YU
  • Patent number: 11956452
    Abstract: An H.265 encoding device is described. The encoding device may include a preprocessing module; a coarse selection module; and a precise comparison module. The preprocessing module is configured to divide a current frame from an original video into multiple CTU blocks. The coarse selection module is configured to divide a CTU block based on multiple partition modes, and perform inter-prediction and intra-prediction and generate a prediction information corresponding to the partition modes. The precise comparison module is configured to perform cost comparison, select a partition mode with the lowest cost, generate entropy coding information and reconstruction information based on the selected partition mode and its corresponding encoding information.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: April 9, 2024
    Assignee: Rockchip Electronics Co., Ltd.
    Inventors: Shanxu Zhang, Hengming Chen, Shengqin Zhang, Delong He
  • Publication number: 20240071333
    Abstract: An eye-protection method, paper-like display method, device, and computer readable storage medium are provided. The eye-protection method includes: acquiring and normalizing composite sensing data in an environment and image data in a multimedia content; and performing a fusion calculation on normalized image data in the multimedia content by normalized composite sensing data in the environment to obtain an image eye-protection guiding parameter, wherein the image eye-protection guiding parameter has a mapping relationship with the normalized composite sensing data in the environment and the normalized image data in the multimedia content; and adjusting the image data in the multimedia content based on the image eye-protection guiding parameter to allow the multimedia content to form a multimedia image having an eye-protection effect. This invention leverages the power of fusion computing and deep learning to develop an algorithm that enhances the eye-protection features of electronic devices.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 29, 2024
    Applicant: Rockchip Electronics Co., Ltd.
    Inventors: Yanzhao MA, Jinfa LIN, Yunshu CHEN
  • Patent number: 11677386
    Abstract: The present disclosure provides an adaptive adjustment circuit in a computer chip having a voltage-controlled oscillator (VCO) and a processor. The adaptive adjustment circuit comprises a frequency difference acquisition module to generate a frequency difference signal based on a first difference between an oscillation frequency of the VCO and a target frequency. The adaptive adjustment circuit also includes a power module to supply a working voltage to the VCO and the processor, adjust the working voltage based on the frequency difference signal, and supply the adjusted working voltage to the VCO and the processor.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: June 13, 2023
    Assignee: Rockchip Electronics Co., Ltd.
    Inventor: Fayao Zheng
  • Publication number: 20230017619
    Abstract: A structured-light projector, a camera assembly, and an electronic device are provided. The structured-light projector includes: a first light source, configured to emit a first light beam; a diffractive optical element, provided on a light-emitting side of the first light source and configured to generate structured light based on the first light beam incident on the diffractive optical element; an optical steering element, provided between the first light source and the diffractive optical element; and a second light source, wherein the second light source includes a light emitter, configured to emit a second light beam, the second light beam comprising infrared light. Via the structured-light projector, a scattered image and an infrared image of the target object can be acquired simutaneously.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 19, 2023
    Applicant: Rockchip Electronics Co., Ltd.
    Inventors: Qiang NI, Jiang HAN
  • Patent number: 11528400
    Abstract: An image-processing unit for an electronic device is disclosed. The image-processing unit may include a digital signal processor (DSP), a first control interface configured for receiving an AP-instruction from an application processor (AP) external to the image-processing unit, and a second control interface configured for transmitting an intermediary-instruction generated by DSP based on the AP-instruction. The image-processing unit may further include a first data interface configured for receiving sensor-data generated in response to the intermediary-instruction by a sensor external to the image-processing unit, and a second data interface configured for bi-directionally transmitting intermediary-data to the AP or receiving AP-data from the AP, wherein the intermediary-data is generated by the DSP based on the sensor-data.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: December 13, 2022
    Assignee: FUZHOU ROCKCHIP ELECTRONICS CO., LTD.
    Inventors: Huan Jian, Ning Luo, Shanxu Zhang, Jiang Han, Shengqin Zhang, Shuai Zhang, Yongle Lai
  • Publication number: 20220294431
    Abstract: The present disclosure provides an adaptive adjustment circuit in a computer chip having a voltage-controlled oscillator (VCO) and a processor. The adaptive adjustment circuit comprises a frequency difference acquisition module to generate a frequency difference signal based on a first difference between an oscillation frequency of the VCO and a target frequency. The adaptive adjustment circuit also includes a power module to supply a working voltage to the VCO and the processor, adjust the working voltage based on the frequency difference signal, and supply the adjusted working voltage to the VCO and the processor.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 15, 2022
    Applicant: Rockchip Electronics Co., Ltd.
    Inventor: Fayao Zheng
  • Publication number: 20220232231
    Abstract: An H.265 encoding device is described. The encoding device may include a preprocessing module; a coarse selection module; and a precise comparison module. The preprocessing module is configured to divide a current frame from an original video into multiple CTU blocks. The coarse selection module is configured to divide a CTU block based on multiple partition modes, and perform inter-prediction and intra-prediction and generate a prediction information corresponding to the partition modes. The precise comparison module is configured to perform cost comparison, select a partition mode with the lowest cost, generate entropy coding information and reconstruction information based on the selected partition mode and its corresponding encoding information.
    Type: Application
    Filed: April 10, 2020
    Publication date: July 21, 2022
    Applicant: Rockchip Electronics Co., Ltd.
    Inventors: Shanxu ZHANG, Hengming CHEN, Shengqin ZHANG, Delong HE
  • Publication number: 20220190269
    Abstract: The present disclosure provides an image sensor, which may include a driving layer, a negative electrode layer formed in the driving layer, a N-region layer formed above the negative electrode layer. The N-region layer includes multiple cylindrical structures formed of semiconductor materials. The image sensor may also include a light absorption layer formed above the N-region layer. The light absorption layer is composed of a multi-layer structure including a P-region layer formed using quantum dot semiconductor materials. The image sensor may further include a positive electrode layer formed above the light absorption layer and configured to receive incoming light signals.
    Type: Application
    Filed: November 18, 2021
    Publication date: June 16, 2022
    Applicant: Rockchip Electronics Co., Ltd.
    Inventors: Huabing XU, Qiang NI, Gang WANG, Chuyi CHEN, Fayao ZHENG, Da XU, Mingpei LIU
  • Patent number: 11323614
    Abstract: An image-processing unit for an electronic device is disclosed. The image-processing unit may include a digital signal processor (DSP), a first control interface configured for receiving an AP-instruction from an application processor (AP) external to the image-processing unit, and a second control interface configured for transmitting an intermediary-instruction generated by DSP based on the AP-instruction. The image-processing unit may further include a first data interface configured for receiving sensor-data generated in response to the intermediary-instruction by a sensor external to the image-processing unit, and a second data interface configured for transmitting to the AP intermediary-data generated by the DSP based on the sensor-data.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: May 3, 2022
    Assignee: Rockchip Electronics Co., Ltd.
    Inventors: Zhengyuan Ling, Yongle Lai, Huan Jian, Shengqin Zhang, Song Du, Jiang Han, Xinquan Ling
  • Patent number: 11151067
    Abstract: A multi-controller multi-memory device is disclosed. The device may include a plurality of controllers and a plurality memory units (m-units). Each controller is connected with a dedicated request-distribution unit (dist-unit) and a dedicated read-selection unit (read-unit). Each m-unit is connected with a dedicated arbitration unit (abt-unit). A controller's dedicated dist-unit is coupled with each of the abt-units dedicated to the plurality of m-units. The controller is configured to transmit a data-request to the controller's dedicated dist-unit, the data-request addressing an m-unit. The controller's dedicated dist-unit is configured to transmit the data-request to an abt-unit dedicated to the m-unit. The abt-unit is configured to select the data-request for transmitting to the m-unit based on an arbitration process.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: October 19, 2021
    Assignee: FUZHOU ROCKCHIP ELECTRONICS CO., LTD.
    Inventor: Ning Luo
  • Publication number: 20200336654
    Abstract: An image-processing unit for an electronic device is disclosed. The image-processing unit may include a digital signal processor (DSP), a first control interface configured for receiving an AP-instruction from an application processor (AP) external to the image-processing unit, and a second control interface configured for transmitting an intermediary-instruction generated by DSP based on the AP-instruction. The image-processing unit may further include a first data interface configured for receiving sensor-data generated in response to the intermediary-instruction by a sensor external to the image-processing unit, and a second data interface configured for transmitting to the AP intermediary-data generated by the DSP based on the sensor-data.
    Type: Application
    Filed: June 30, 2020
    Publication date: October 22, 2020
    Applicant: Rockchip Electronics Co., Ltd.
    Inventors: Zhengyuan LING, Yongle LAI, Huan JIAN, Shengqin ZHANG, Song DU, Jiang HAN, Xinquan LING
  • Publication number: 20200314321
    Abstract: An image-processing unit for an electronic device is disclosed. The image-processing unit may include a digital signal processor (DSP), a first control interface configured for receiving an AP-instruction from an application processor (AP) external to the image-processing unit, and a second control interface configured for transmitting an intermediary-instruction generated by DSP based on the AP-instruction. The image-processing unit may further include a first data interface configured for receiving sensor-data generated in response to the intermediary-instruction by a sensor external to the image-processing unit, and a second data interface configured for bi-directionally transmitting intermediary-data to the AP or receiving AP-data from the AP, wherein the intermediary-data is generated by the DSP based on the sensor-data.
    Type: Application
    Filed: November 8, 2018
    Publication date: October 1, 2020
    Applicant: FUZHOU ROCKCHIP ELECTRONICS CO., LTD.
    Inventors: Huan JIAN, Ning LUO, Shanxu ZHANG, Jiang HAN, Shengqin ZHANG, Shuai ZHANG, Yongle LAI
  • Patent number: 10735646
    Abstract: An image-processing unit for an electronic device is disclosed. The image-processing unit may include a digital signal processor (DSP), a first control interface configured for receiving an AP-instruction from an application processor (AP) external to the image-processing unit, and a second control interface configured for transmitting an intermediary-instruction generated by DSP based on the AP-instruction. The image-processing unit may further include a first data interface configured for receiving sensor-data generated in response to the intermediary-instruction by a sensor external to the image-processing unit, and a second data interface configured for transmitting to the AP intermediary-data generated by the DSP based on the sensor-data.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: August 4, 2020
    Assignee: Rockchip Electronics Co., Ltd.
    Inventors: Zhengyuan Ling, Yongle Lai, Huan Jian, Shengqin Zhang, Song Du, Jiang Han, Xinquan Ling
  • Publication number: 20200012069
    Abstract: An imaging structure for a portable electronic device is disclosed. The imaging structure may include a housing with an opening for obtaining an external light. The structure may include a reflective module having a first reflective surface and a second reflective surface for reflecting the external light. The reflective module includes a linear movement switching mechanism configured to move the reflective module in a linear direction inside of the housing.
    Type: Application
    Filed: July 6, 2018
    Publication date: January 9, 2020
    Applicant: Fuzhou Rockchip Electronics Co., Ltd.
    Inventors: Ning LUO, Huan JIAN, Mingjun JIANG
  • Patent number: 10277912
    Abstract: A method for storing data related to video decoding is described. A video-decoding device may divide a video image into a plurality of coding units (CUs). Each of the plurality of CUs has a horizontal coordinate and a vertical coordinate. The video-decoding device may retrieve a first tidbit associated with a first CU from a one-dimensional storage structure. The first CU is adjacent to an un-decoded second CU. The first tidbit is generated during decoding of the first CU and stored in the one-dimensional storage structure based on a first storage index calculated using the first CU's horizontal and vertical coordinates. The video-decoding device may further decode the second CU based on the first tidbit, and store a second tidbit associated with the second CU in the one-dimensional storage structure based on a second storage index calculated using the second CU's horizontal and vertical coordinates.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: April 30, 2019
    Assignee: Fuzhou Rockchips Electronics, Co., Ltd.
    Inventors: Ning Luo, Huan Jian, Shengqin Zhang, Hengming Chen
  • Patent number: 10044919
    Abstract: An imaging structure for a portable electronic device is disclosed. The imaging structure may include a housing having an opening for obtaining external light. The imaging structure may also include a reflective module coupled with the housing. The reflective module may include a reflective surface for reflecting the external light. The imaging structure may further include a photo-sensing module coupled with the reflective module. The photo-sensing module may be configured to generate an image based on the external light reflected from the reflective module toward the photo-sensing module.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: August 7, 2018
    Assignee: Fuzhou Rockchips Electronics Co., Ltd.
    Inventors: Ning Luo, Huan Jian, Mingjun Jiang
  • Publication number: 20180089808
    Abstract: An image-processing unit for an electronic device is disclosed. The image-processing unit may include a digital signal processor (DSP), a first control interface configured for receiving an AP-instruction from an application processor (AP) external to the image-processing unit, and a second control interface configured for transmitting an intermediary-instruction generated by DSP based on the AP-instruction. The image-processing unit may further include a first data interface configured for receiving sensor-data generated in response to the intermediary-instruction by a sensor external to the image-processing unit, and a second data interface configured for transmitting to the AP intermediary-data generated by the DSP based on the sensor-data.
    Type: Application
    Filed: September 26, 2017
    Publication date: March 29, 2018
    Applicant: Fuzhou Rockchip Electronics Co., Ltd.
    Inventors: Zhengyuan LING, Yongle LAI, Huan JIAN, Shengqin ZHANG, Song DU, Jiang HAN, Xinquan LING
  • Publication number: 20170103030
    Abstract: A multi-controller multi-memory device is disclosed. The device may include a plurality of controllers and a plurality memory units (m-units). Each controller is connected with a dedicated request-distribution unit (dist-unit) and a dedicated read-selection unit (read-unit). Each m-unit is connected with a dedicated arbitration unit (abt-unit). A controller's dedicated dist-unit is coupled with each of the abt-units dedicated to the plurality of m-units. The controller is configured to transmit a data-request to the controller's dedicated dist-unit, the data-request addressing an m-unit. The controller's dedicated dist-unit is configured to transmit the data-request to an abt-unit dedicated to the m-unit. The abt-unit is configured to select the data-request for transmitting to the m-unit based on an arbitration process.
    Type: Application
    Filed: October 10, 2016
    Publication date: April 13, 2017
    Applicant: Fuzhou Rockchip Electronics Co., Ltd.
    Inventor: Ning LUO
  • Publication number: 20160373736
    Abstract: A method for storing data related to video decoding is described. A video-decoding device may divide a video image into a plurality of coding units (CUs). Each of the plurality of CUs has a horizontal coordinate and a vertical coordinate. The video-decoding device may retrieve a first tidbit associated with a first CU from a one-dimensional storage structure. The first CU is adjacent to an un-decoded second CU. The first tidbit is generated during decoding of the first CU and stored in the one-dimensional storage structure based on a first storage index calculated using the first CU's horizontal and vertical coordinates. The video-decoding device may further decode the second CU based on the first tidbit, and store a second tidbit associated with the second CU in the one-dimensional storage structure based on a second storage index calculated using the second CU's horizontal and vertical coordinates.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 22, 2016
    Applicant: Fuzhou Rockchip Electronics Co., Ltd.
    Inventors: Ning LUO, Huan JIAN, Shengqin ZHANG, Hengming CHEN