Patents Assigned to HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
  • Patent number: 11902563
    Abstract: The application relates to an encoding and decoding method and apparatus, an encoding-side device, and a decoding-side device. The method includes: if characteristic information of a current block meets a specific condition, determining a first reference block corresponding to the current block according to a first original motion vector of the current block, and determining a second reference block corresponding to the current block according to a second original motion vector of the current block; adjusting the first and second original motion vectors according to a first pixel value of the first reference block and a second pixel value of the second reference block to obtain a first target motion vector corresponding to the first original motion vector and a second target motion vector corresponding to the second original motion vector; encoding or decoding the current block according to the first and second target motion vectors.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: February 13, 2024
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventor: Fangdong Chen
  • Patent number: 11892922
    Abstract: The present disclosure provides a state management method, a method for switching between a master application server and a backup application server, and an electronic device. In present disclosure, the management server updates the recorded backup application server state in time by querying for the connection state of the hot-backup connection between the master application server and the backup application server, and when the master application server is in failure, instead of immediately controlling the master application server and the backup application server to perform switching between the master and backup application servers, the management server controls the master application server and the backup application server to perform master-backup switching between the application servers according to the recorded backup application server state.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: February 6, 2024
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventors: Zhixin Zhang, Jun Li, Zhixiao Li
  • Patent number: 11889072
    Abstract: The present disclosure provides a video encoding and decoding method and a video encoding and decoding device. The method includes: partitioning the current block into a first triangular sub-block and a second triangular sub-block when a current block satisfies specific conditions for enabling a geometric partitioning mode with triangular partition and the geometric partitioning mode with triangular partition is determined to be enabled; obtaining first target motion information of the first triangle sub-block and second target motion information of the second triangle sub-block, wherein the first target motion information is different from the second target motion information; and performing an encoding processing or a decoding processing on the current block based on the first target motion information and the second target motion information.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: January 30, 2024
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventor: Fangdong Chen
  • Patent number: 11889032
    Abstract: An apparatus for acquiring an image includes an image sensor, a light compensator, and a light filter assembly. The image sensor is on a light output side of the light filter assembly, and is configured to generate and output a first image signal and a second image signal by a plurality of exposures. The first image signal is generated according to a first preset exposure and the second image signal is generated according to a second preset exposure, and they are two of the plurality of exposures. The light compensator includes a first light compensation apparatus, the first light compensation apparatus is configured to perform near-infrared light compensation, and the near-infrared light compensation is performed in at least part of an exposure period of the first preset exposure but is not performed in an exposure period of the second preset exposure.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: January 30, 2024
    Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.
    Inventors: Meng Fan, Hai Yu, Shiliang Pu
  • Patent number: 11868838
    Abstract: The present application provides a device supporting card-swiping, which relates to the technical field of communications. The device supporting card-swiping comprises a display screen (1), a protective back plate (2) and a contactless card reader (3). Wherein the antenna (310) of the contactless card reader (3) is arranged between the display screen (1) and the protective back plate (2) for sensing a user's card swiping signal. The device supporting card-swiping can increase the effective card swiping distance and improve user experience.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: January 9, 2024
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventors: Nan Jiang, Shujun Zhang, Shisen Qian
  • Patent number: 11869255
    Abstract: An anti-counterfeiting face detection method, device and multi-lens camera are disclosed. The anti-counterfeiting face detection method comprises: acquiring a depth image, an infrared image and an RGB image by using a TOF camera and an RGB camera; analyzing the RGB image through a preset face detection algorithm to determine an RGB face region of a face in the RGB image and position information of the RGB face region; determining a depth face region of the face in the depth image and an infrared face region of the face in the infrared image based on the position information of the RGB face region; determining that the face passes the detection when the depth face region, the infrared face region and the RGB face region meet corresponding preset rules respectively.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: January 9, 2024
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventors: Xing Su, Jiajun Shen, Hui Mao, Shiliang Pu
  • Patent number: 11863714
    Abstract: The present disclosure provides a method for constructing a motion information candidate list, a method and an apparatus for triangle prediction decoding. The method includes: determining a checking order for each of spatial candidate blocks of a current image block; wherein the checking order for the spatial candidate block on top of the current image block is prior to the checking order for the spatial candidate block on the left of the current image block; determining spatial candidate motion information based on the checking order; and constructing a motion information candidate list corresponding to the current image block based on the spatial candidate motion information. The method can reduce coding consumption, and improve coding performance.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: January 2, 2024
    Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.
    Inventor: Liying Xu
  • Patent number: 11856278
    Abstract: The present disclosure provides an embedded mounting bracket and camera assembly comprising same. The embedded mounting bracket is used for mounting a camera, and the embedded mounting bracket includes a bracket body and a mounting member. The bracket body includes a bracket side wall, the bracket side wall includes a lower end surface and an upper end surface opposite to the lower end surface, and the upper end surface includes multiple step surfaces with different heights from the lower end surface. The mounting member is detachably assembled to the bracket body for bearing the camera. The mounting member is selectively assembled on the step surfaces with different heights, so as to replaceably assemble at least two cameras with different body heights to the bracket body.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: December 26, 2023
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventors: Caisheng Yan, Yan Wu, Lei Li
  • Patent number: 11841762
    Abstract: Provided are a data processing method and an apparatus thereof. The method includes: when data writing is to be performed for a target Trunk Group (TKG), determining whether the target TKG is available (S100); when the target TKG is available, performing data writing for the target TKG (S110); and, when the target TKG is unavailable, repairing the target TKG, and performing data writing for the repaired target TKG (S120).
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: December 12, 2023
    Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.
    Inventors: Yang Xiang, Yuanzhi Qi, Jie Yan, Bin Zhang, Qi Wu, Ming Chen, Qingxiao Ni
  • Patent number: 11830230
    Abstract: Method, an electronic device and a storage medium for living body detection based on face recognition are disclosed. The method comprises: obtaining to-be-detected infrared image and visible light image; performing edge detection and texture feature extraction on the infrared image, and feature extraction on the visible light image through a convolutional neural network; and determining whether the infrared and visible light images pass living body detection based on results of the edge detection and texture feature extraction on the to-be-detected infrared image, and a result of feature extraction on the to-be-detected visible light image through the convolutional neural network. The method, an electronic device and a storage medium for living body detection based on face recognition combine the advantages of three technologies of edge detection, texture feature extraction and convolution neural network, effectively perform living body detection, and improve the determination accuracy.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: November 28, 2023
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventors: Shengguo Wang, Xianlin Zhao, Chuan Shen
  • Patent number: 11825082
    Abstract: Provided is a decoding method, including: acquiring coded data of a current block; determining size information of subblocks based on subblock partition information of the current block in response to the current block satisfying a subblock partition condition and determining, based on the coded data of the current block, that the current block activates intra subblock partition; determining, based on the size information of each subblock, a transform pair corresponding to the subblock; and performing an inverse transform on inversely quantized data of the subblocks based on the transform pairs corresponding to the subblocks.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: November 21, 2023
    Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.
    Inventors: Xiaoqiang Cao, Liying Xu, Fangdong Chen
  • Publication number: 20230353723
    Abstract: The present disclosure provides methods, apparatuses and devices for coding and decoding.
    Type: Application
    Filed: March 23, 2021
    Publication date: November 2, 2023
    Applicant: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventor: Yucheng SUN
  • Publication number: 20230344985
    Abstract: Embodiments of the present disclosure provide an encoding and decoding method, apparatus and device.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 26, 2023
    Applicant: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventors: Yucheng SUN, Xiaoqiang CAO, Fangdong CHEN, Li WANG
  • Patent number: 11800199
    Abstract: Provided are a video playing method and apparatus. Wherein the video playing method comprises: performing video-preprocessing on video data to be played and playing the video data obtained after the video-preprocessing by means of a main process of the Web client; in the case that the performance resource of the Web client is insufficient, creating and starting a video service process, wherein the video service process is configured to perform the video-preprocessing on video data to be played and play the video data obtained after the video-preprocessing. In the technical solution according to the embodiment in the present application, the main process of the Web client can play videos without relying on plug-ins. In the case that the performance resource of the Web client is insufficient, the video service process is used to play videos for the smoothness of video playing, which can also play videos without relying on plug-ins.
    Type: Grant
    Filed: September 29, 2019
    Date of Patent: October 24, 2023
    Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.
    Inventors: Zhongjian Feng, Kui Li
  • Publication number: 20230319259
    Abstract: Coding and decoding methods and apparatuses are provided. A decoding method includes: determining a prediction mode of a current block; when it is determined that the prediction mode of the current block satisfies one of the following conditions, determining the current block satisfies transform skip mode conditions: the prediction mode of the current block is an inter prediction mode; and the prediction mode of the current block is a direct mode.
    Type: Application
    Filed: June 2, 2021
    Publication date: October 5, 2023
    Applicant: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventor: Xiaoqiang CAO
  • Patent number: 11778442
    Abstract: The present application provides a screen projection method, a receiving end device, and a sending end device. The receiving end device performs active wireless scanning and searching on the sending end device, and when the sending end device is scanned, establishes a wireless connection with the sending end device; and once the wireless connection is established, the receiving end device automatically sends a screen projection code to the connected sending end device, and the sending end device may prompt a user to perform a screen projection operation by means of displaying the screen projection code. In this process, there is no need for the user to perform complicated manual operations, the sending end device can automatically acquire the screen projection code, and prompts the user to perform the screen projection operation in a timely manner, thereby improving the timeliness of the screen projection operation.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: October 3, 2023
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventors: Pengfei Yang, Kefeng Yan, Wanjiaman Li
  • Patent number: D999805
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: September 26, 2023
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventor: Shouze Zhang
  • Patent number: D1012151
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: January 23, 2024
    Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.
    Inventor: Yu Tang
  • Patent number: D1013018
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: January 30, 2024
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventor: Lichen Guo
  • Patent number: D1013754
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: February 6, 2024
    Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
    Inventor: Qiang Liu