Patents Assigned to Hikvision Digital Technology Co., Ltd.
-
Patent number: 12114005Abstract: The present disclosure provides an encoding and decoding method, apparatus, and devices. The encoding and decoding method includes the following steps: determining to use a decoder-side motion vector refinement mode for a current block if the conditions are all satisfied; and if it is determined to use the decoder-side motion vector refinement mode for the current block, performing motion compensation on the current block.Type: GrantFiled: October 28, 2020Date of Patent: October 8, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Fangdong Chen
-
Patent number: 12099403Abstract: The embodiments of the present application propose a method and apparatus for repairing a device failure, electronic device and storage medium. The method includes: detecting, after a device restarts, whether there is an abnormal state file saved by a CPU due to a device failure detected before the restart; reading network configuration information of a Uboot saved correspondingly to the abnormal state file when the abnormal state file of the device is detected; initiating a communication connection with a FTP server according to the read network configuration information of the Uboot; sending an upgrade request to the FTP server when the communication connection with the FTP server is successfully established; repairing and upgrading the device in response to a software package returned by the FTP server. The embodiments of the present application realize remote repair of a device failure.Type: GrantFiled: October 14, 2022Date of Patent: September 24, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Kaijun Zhang
-
Patent number: 12088825Abstract: Decoding methods and encoding methods based on an adaptive intra refresh mechanism and related devices are provided. In one aspect, a decoding method includes: receiving a bit stream of a current frame; and determining whether the current frame supports an adaptive intra refresh technology. The determining comprises one of: if there is extension data in the bit stream of the current frame and the extension data carries an adaptive intra refresh video extension identifier (ID), obtaining virtual boundary position information carried in the extension data, and determining whether the current frame supports an adaptive intra refresh technology based on the virtual boundary position information; or if there is no adaptive intra refresh video extension ID in the extension data in the bit stream of the current frame, determining that the current frame does not support the adaptive intra refresh technology.Type: GrantFiled: March 10, 2022Date of Patent: September 10, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventors: Liang Wei, Fangdong Chen, Li Wang
-
Patent number: 12081750Abstract: Method, apparatus, and devices for encoding and decoding are provided. In one aspect, a method includes: if a current pixel point in a current block satisfies an enable condition of an enhanced refinement mode, determining a gradient value of the current pixel point based on an original pixel value of the current pixel point and an original pixel value of a surrounding pixel point of the current pixel point; based on the gradient value of the current pixel point and the original pixel value of the current pixel point, determining a refined pixel value of the current pixel point.Type: GrantFiled: February 22, 2022Date of Patent: September 3, 2024Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.Inventors: Fangdong Chen, Xiaoqiang Cao, Yucheng Sun
-
Patent number: 12081737Abstract: Encoding and decoding methods and apparatuses, coder-side devices and decoder-side devices are provided, the method includes: obtaining a weighted prediction angle and weight configuration parameters of the current block; where the weight configuration parameters include a weight transform rate and a weight transform start position; configuring reference weight values for surrounding positions outside the current block according to the weight configuration parameters; determining a surrounding matching position to which the pixel position points from the surrounding positions outside the current block based on the weighted prediction angle; determining a target weight value of the pixel position based on the reference weight value associated with the surrounding matching position, determining an association weight value of the pixel position based on the target weight value of the pixel position; determining a first prediction value of the pixel position based on a first prediction mode, determining a secondType: GrantFiled: May 31, 2021Date of Patent: September 3, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Yucheng Sun
-
Patent number: 12075066Abstract: The present application discloses a coding/decoding method and device, and a storage medium thereof, and belongs to the field of image processing technologies. The method includes: performing context-based adaptive binary arithmetic coding or context-based adaptive binary arithmetic decoding on first ISP indication information based on a context model in response to determining to code or decode the first ISP indication information, wherein the first ISP indication information is configured to indicate whether to enable an intra sub-block prediction mode; and performing bypass binary arithmetic coding or decoding on second ISP instruction information in response to determining to code or decode the second ISP indication information, wherein the second ISP indication information is configured to indicate a fashion of sub-block partition of the intra sub-block prediction mode.Type: GrantFiled: June 19, 2020Date of Patent: August 27, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Liying Xu
-
Patent number: 12075085Abstract: An encoding and decoding method, apparatus, and device is disclosed.Type: GrantFiled: June 17, 2020Date of Patent: August 27, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Fangdong Chen
-
Patent number: 12063386Abstract: Methods, apparatuses, devices and storage media for decoding and encoding are provided. In one aspect, a decoding method includes: obtaining a value of an Enhanced Temporal Motion Vector Prediction (ETMVP) mode flag and an ETMVP mode index value for a current coding unit (CU); when the value of the ETMVP mode flag is a first value, determining coordinate information of an initial matching CU of the current CU according to coordinate information of the current CU; constructing an enhanced temporal candidate list based on the coordinate information of the initial matching CU; determining coordinate information of a target matching CU according to the ETMVP mode index value; and determining motion information of a subblock at a corresponding position in the current CU according to the motion information of the target matching CU.Type: GrantFiled: March 14, 2022Date of Patent: August 13, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventors: Xiaoqiang Cao, Yucheng Sun, Fangdong Chen
-
Patent number: 12061662Abstract: The present disclosure relates to methods, apparatuses and systems for displaying an alarm file and belongs to the field of communications. One of the method includes: through a persistent connection with a service end, receiving a data packet corresponding to the alarm file sent by the service end, wherein the service end releases a storage resource occupied by the alarm file after sending the alarm file; obtaining the alarm file by parsing the data packet corresponding to the alarm file; generating a uniform resource locator (URL) of the alarm file; displaying the alarm file based on the URL of the alarm file. The present disclosure can reduce wastes of the storage resource of the service end.Type: GrantFiled: November 2, 2020Date of Patent: August 13, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventors: Xingming Xue, Zhihai Wang, Zhuzhen Tang
-
Patent number: 12058250Abstract: Provided in the embodiments of the present application are a dynamic white box-based data processing method, apparatus, and device, the method comprising: using a pre-generated key obfuscation mapping relationship set to perform obfuscation processing on an original key to obtain a redundant key; and inputting the redundant key and to-be-processed data into a white box algorithm library to implement encryption and decryption processing; thus, in the technical solution provided in the embodiments of the present application, different redundant keys can be inputted into the white box algorithm library, so that there is no need to change the white box algorithm library and the key together, increasing the flexibility of the solution.Type: GrantFiled: March 2, 2020Date of Patent: August 6, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventors: Bin Wang, Si Chen, Guoyun Wang, Jiadong Chen, Da Chen
-
Patent number: 12041262Abstract: An encoding and decoding method, apparatus, and device is disclosed.Type: GrantFiled: June 17, 2020Date of Patent: July 16, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Fangdong Chen
-
Patent number: 12041266Abstract: An encoding and decoding method, apparatus and device is disclosed. The method comprises: dividing, if characteristic information of a current block meets specific conditions, the current block into a first triangle sub-block and a second triangle sub-block; constructing a motion information list for the current block, the motion information list includes multiple pieces of candidate motion information; acquiring first target motion information of the first triangle sub-block and second target motion information of the second triangle sub-block from the motion information list; the first target motion information is different from the second target motion information; performing motion compensation on the first triangle sub-block based on the first target motion information to obtain a prediction value of the first triangle sub-block; performing motion compensation on the second triangle sub-block based on the second target motion information to obtain a prediction value of the second triangle sub-block.Type: GrantFiled: June 17, 2020Date of Patent: July 16, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Fangdong Chen
-
Publication number: 20240236310Abstract: Decoding, encoding, and encoding/decoding methods, apparatuses and devices are provided. A decoding method includes: if an inter prediction filter enable flag indicates that a current block is allowed to be coded in inter prediction filter mode, and the current block satisfies inter prediction filter conditions, parsing an inter prediction filter flag of the current block from bitstream data of the current block; if the inter prediction filter flag indicates that a filter type of the current block is the inter prediction filter, obtaining a target prediction value of the current block by performing an inter prediction filter process on the current block; if the inter prediction filter flag indicates that the filter type of the current block is enhanced inter prediction filter, obtaining a target prediction value of the current block by performing an enhanced inter prediction filter process on the current block.Type: ApplicationFiled: March 23, 2021Publication date: July 11, 2024Applicant: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Xiaoqiang CAO
-
Patent number: 12026950Abstract: The present disclosure provides video processing methods, apparatuses and systems. The method includes: obtaining a to-be-processed video, where the to-be-processed video is obtained by performing feature removal processing for one or more objects in an original video; obtaining a feature restoration processing request for one or more to-be-processed objects; according to the feature restoration processing request for the one or more to-be-processed objects, obtaining feature image information corresponding to the one or more to-be-processed objects, where the feature image information for one of the one or more to-be-processed objects includes pixel position information of all or part of features for the one of the one or more to-be-processed objects in the original video; according to the feature image information for the one or more to-be-processed objects, performing feature restoration processing for the one or more to-be-processed objects in the to-be-processed video.Type: GrantFiled: November 2, 2020Date of Patent: July 2, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Jia Chen
-
Patent number: 12028543Abstract: The present disclosure provides a decoding method and apparatus, an encoding method and apparatus, and a device.Type: GrantFiled: September 16, 2020Date of Patent: July 2, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Fangdong Chen
-
Patent number: 11988519Abstract: Embodiments of the present application provide a navigation method, device and system. The method is applicable to a server and comprises: receiving current position characteristic information sent by a mobile terminal, and determining a position of an area matching the current position characteristic information based on the current position characteristic information and a locally stored database, and taking the determined position as an initial position; receiving target position characteristic information sent by the mobile terminal, determining a position of an area matching the target position characteristic information based on the target position characteristic information and the database, and taking the determined position as a target position; and determining a first route from the initial position to the target position and displaying the first route on an electronic map of the mobile terminal.Type: GrantFiled: February 13, 2017Date of Patent: May 21, 2024Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.Inventors: Shiliang Pu, Jianxin Meng, Jiang Zhu, Linjie Shen, Hai Yu
-
Patent number: D1039016Type: GrantFiled: July 13, 2020Date of Patent: August 13, 2024Assignee: Hangzhou Hikvision Digital Technology Co., Ltd.Inventor: Zheyun Wang
-
Patent number: D1045955Type: GrantFiled: July 2, 2020Date of Patent: October 8, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventors: Fengmin Zhang, Peng Xu, Liang Ying, Zhan Ye
-
Patent number: D1047957Type: GrantFiled: May 13, 2022Date of Patent: October 22, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Lichen Guo
-
Patent number: D1050224Type: GrantFiled: April 8, 2022Date of Patent: November 5, 2024Assignee: HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.Inventor: Huifeng Jin