Patents Assigned to Baidu Online Network Technology (Beijing) Co., Ltd.
  • Publication number: 20210370970
    Abstract: Embodiments of the present application disclose a positioning method and apparatus, an autonomous driving vehicle, an electronic device and a storage medium, relating to the field of autonomous driving technologies, comprising: collecting first pose information measured by an inertial measurement unit within a preset time period, and collecting second pose information measured by a wheel tachometer within the time period; generating positioning information according to the first pose information, the second pose information and the adjacent frame images; controlling driving of the autonomous driving vehicle according to the positioning information. The positioning information is estimated by combining the first pose information and the second pose information corresponding to the inertial measurement unit and the wheel tachometer respectively. Compared with the camera, the inertial measurement unit and the wheel tachometer are not prone to be interfered by the external environment.
    Type: Application
    Filed: December 29, 2020
    Publication date: December 2, 2021
    Applicant: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Wendong DING, Xiaofei RUI, Gang WANG, Shiyu SONG
  • Patent number: 11189287
    Abstract: Provided are an optimization method, apparatus, device for a wake-up model and a storage medium, which allow for: acquiring a training set and a verification set; performing an iterative training on the wake-up model according to the training set and the verification set; during the iterative training, periodically updating the training set and the verification set according to the wake-up model and a preset corpus database, and continuing performing the iterative training on the wake-up model according to the updated training set and verification set; and outputting the wake-up model when a preset termination condition is reached. The embodiments of the present disclosure, by periodically updating the training set and the verification set according to the wake-up model and the preset corpus database during an iteration, may improve optimization efficiency and effects of the wake-up model, thereby improving stability and adaptability of the wake-up model and avoiding overfitting.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: November 30, 2021
    Assignees: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD., SHANGHAI XIAODU TECHNOLOGY CO. LTD.
    Inventor: Yongchao Zhang
  • Patent number: 11189262
    Abstract: Method and apparatus for generating a model, and a method and apparatus for generating information are disclosed, an embodiment includes: acquiring a training sample set for an audio frame set, an audio frame in the audio frame set being in one-to-one correspondence with a training sample in the training sample set, the training sample in the training sample set including feature data and identification information of the audio frame in the audio frame set, and the identification information being used to identify a non-voice audio, a consonant audio and a vowel audio in the audio frame; and training to obtain a voice recognition model using a machine learning algorithm, by taking the feature data included in the training sample in the training sample set as an input, and the identification information corresponding to the input feature data as a desired output.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: November 30, 2021
    Assignee: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventor: Chao Li
  • Patent number: 11188380
    Abstract: A method and apparatus for processing a task in a smart device are provided. A specific embodiment of the method includes: receiving service information sent by a server, the service information comprising task description information in a predetermined data format; analyzing the service information based on the predetermined data format to determine a to-be-processed task; arranging the to-be-processed task into a to-be-processed task queue; and processing a plurality of the to-be-processed tasks in the to-be-processed task queue. The embodiment improves the processing efficiency of to-be-processed tasks.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: November 30, 2021
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Xiantang Chang, Qian Shen
  • Patent number: 11187554
    Abstract: A method, a device, and a storage medium for providing a running road of an urban road are provided in the present disclosure. The method includes: obtaining a weighed road length of a specified urban road according to user track data of the specified urban road and road network data of the specified urban road; obtaining an actual passing period of the specified urban road according to the road network data of the specified urban road and road condition data of the specified urban road; obtaining a running speed of the specified urban road according to the weighed road length of the specified urban road and the actual passing period of the specified urban road; and providing the running speed of the specified urban on digital map products.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: November 30, 2021
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Chang Jiang, Wentao Liu, Hao Wang, Zhaojie Su
  • Publication number: 20210365515
    Abstract: A method for recommending a search term, an electronic device and a storage medium are provided. The method includes: acquiring an input target search term; determining a neighbor node of a current node and a relationship between the current node and the neighbor node, by taking the target search term as the current node; performing semantic representation processing on first text information of the current node and second text information of the neighbor node respectively, to obtain a first semantic representation of the current node and a second semantic representation of the neighbor node; obtaining a semantic aggregation representation of the target search term according to the first semantic representation, the second semantic representation and the relationship between the current node and the neighbor node; and recalling a candidate search term to be recommended from a set of candidate search terms, by taking the semantic aggregation representation as an index.
    Type: Application
    Filed: August 10, 2021
    Publication date: November 25, 2021
    Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventor: Fuchun JIANG
  • Publication number: 20210362714
    Abstract: Provided are a speed planning method and apparatus for self-driving, a device and a medium, relating to artificial intelligence technologies such as self-driving and deep learning. The solution includes acquiring the current state of a vehicle and interpolating actions based on the current state and a predetermined state table to obtain the target action of the current state. The current state includes at least the remaining running distance and the current speed. The state table is determined based on a reinforcement learning method and includes multiple states and an action performed in each state. The action performed in each state includes at least acceleration.
    Type: Application
    Filed: August 4, 2021
    Publication date: November 25, 2021
    Applicant: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventor: Wenchuang QIN
  • Patent number: 11184687
    Abstract: Embodiments of the present disclosure disclose a wearable device, an information processing method, apparatus and system. The wearable device includes a processor and a display screen. The processor is configured to search for a video file indicated by a video search request, in response to receiving the video search request from a user, and send an identification code for indicating an access link of the video file to the display screen; and the display screen is configured to display the identification code, so that an electronic device identifying the identification code acquires the access link.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: November 23, 2021
    Assignees: Baidu Online Network Technology (Beijing) Co., Ltd., Shanghai Xiaodu Technology Co. Ltd.
    Inventor: Xiaoning Xi
  • Patent number: 11181624
    Abstract: The present disclosure provides a method and apparatus for calibration between a laser radar and a camera, a device and a storage medium, wherein the method comprises: respectively obtaining N stations of calibration data at N locations, each station of calibration data respectively comprising: image data collected by a camera and point cloud data collected by a laser radar, N being a positive integer; building an image pyramid for each station of image; performing a search for each layer of pyramid in a top-to-bottom order according to a preset initial calibration parameter and point cloud data, and determining an optimal calibration parameter according to search results. The solution of the present disclosure may be applied to achieve real-time online calibration.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: November 23, 2021
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Popo Gui, Yuanfan Xie, Liang Wang
  • Publication number: 20210357468
    Abstract: A method for sorting geographic location points, a method for training a sorting model and corresponding apparatuses are disclosed, which relates to the technical field of big data. A specific implementation solution is: receiving a query request for geographic location points of a vertical class from a user; inputting candidate geographic location point data of the vertical class into a preference model of the user, to obtain a preference score of the user for each candidate geographic location point; inputting the preference score of the user for each candidate geographic location point into a sorting model as one of sorting features of each candidate geographic location point, to obtain a sorting score of each candidate geographic location point; and determining, according to the sorting score of each candidate geographic location point, a query result returned to the user.
    Type: Application
    Filed: November 19, 2020
    Publication date: November 18, 2021
    Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Miao FAN, Jizhou Huang, Yufan Hou
  • Patent number: 11175823
    Abstract: The present disclosure provides a method and apparatus for controlling a terminal device, and a storage medium. The method includes: when a gesture control function is activated on a current interface of the terminal device, obtaining an interface identifier of the current interface and a preset motion corresponding to the interface identifier; turning on a camera and displaying an image taken by the camera in a preset display area of the current interface; determining whether the image contains a motion image matching with the preset motion; and if the image contains the motion image matching with the preset motion, obtaining an operation instruction corresponding to the motion image, and controlling the current interface according to the operation instruction.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: November 16, 2021
    Assignees: Baidu Online Network Technology (Beijing) Co., Ltd., Shanghai Xiaodu Technology Co. Ltd.
    Inventors: Lu Qian, Wenbo Li, Mingwei Li, Yawen Diao
  • Patent number: 11175813
    Abstract: A screen control method, an apparatus, a device and a computer readable storage medium are provided. A display interface of a display screen includes a main display interface and a secondary display interface. The method includes: receiving a component call request sent by a user; switching the main display interface to the secondary display interface according to the component call request; and displaying preset component content on the secondary display interface according to a preset component display mode. Thus, the component content preset by the user can be uniformly displayed on the secondary display interface, which thus improves the user stickiness, makes the presented content more personalized and more compatible with the user's needs, thereby improving the user experience.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: November 16, 2021
    Assignees: Baidu Online Network Technology (Beijing) Co., Ltd., Shanghai Xiaodu Technology Co. Ltd.
    Inventors: Lu Qian, Zhen Li, Xiangnan Yuan
  • Patent number: 11178454
    Abstract: The present application discloses a video playing method and device, an electronic device, and a readable storage medium The method includes: detecting a video playing operation in a target operation mode; in which, in the target operation mode, audio is consecutively collected to obtain an audio stream and an information stream is acquired; the information stream is obtained by performing speech recognition on the audio stream; providing a video playing interface in response to the video playing operation, to play a video on the video playing interface; in which, on the video playing interface, a first element is partially hidden and a second element is displayed, the first element is configured to indicate that the audio is consecutively acquired, and the second element is displayed based on the information stream.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: November 16, 2021
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Yongxi Luo, Shasha Wang
  • Patent number: 11178242
    Abstract: The present disclosure provides a method and system for obtaining a user's visit information, a device and a computer storage medium, wherein the method comprises: a monitoring device which is arranged within a coverage range of a wireless router monitors a wifi broadcast message; cracking the monitored wifi broadcast message to obtain a user terminal equipment identification and/or a user identification contained in the message; and uploading the user terminal equipment identification and/or the user identification to a service-end device, so that the service-end device stores a correspondence relationship between the user identification and address information of the monitoring device. In this manner, the user's visit information can be collected without the user's extra behaviors, and dependence on the user behaviors is weakened.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: November 16, 2021
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Zhuo Chen, Mingyu Wu, Minghao Wu
  • Patent number: 11176938
    Abstract: Embodiments provide a voice interaction method, a device, and a storage medium. The method includes: transmitting obtained audio data of a user to a server for semantic understanding, to obtain structured data; receiving the structured data returned by the server; and controlling, according to a running game and the structured data, the game to perform a corresponding operation. In the embodiments, voice recognition and semantic understanding technologies are used to enable a user to complete an operation of a game under a dialogue interaction through a communication between a terminal device and a server, thus enhancing game experience of the user and improving entertainment and convenience.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: November 16, 2021
    Assignee: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Binyuan Du, Yan Zhang, Peng Yuan, Longlong Tian, Liangyu Chang
  • Patent number: 11172040
    Abstract: Embodiments of the present disclosure disclose a method and apparatus for pushing information. A specific embodiment of the method includes: acquiring, in response to a user selecting historical search data, a webpage content corresponding to the historical search data; dividing the webpage content into at least one webpage content segment, and extracting a topic of the at least one webpage content segment; and pushing information to the user based on the topic of the at least one webpage content segment. This embodiment can quickly push core information of a webpage to the user when the user browses the webpage again.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: November 9, 2021
    Assignee: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventor: Feng Zhang
  • Patent number: 11170525
    Abstract: The present application provides autonomous vehicle based position detection method and apparatus, a device and a medium, where the method includes: identifying an obtained first visual perception image according to an underlying neural network layer in a slender convolution kernel neural network model to determine feature information of the target linear object image, and identifying the feature information of the target linear object image by using a high-level neural network layer in the slender convolution kernel neural network model to determine size information of the target linear object image; further, matching the size information of the target linear object image with preset coordinate system map information to determine a position of the autonomous vehicle. Embodiments of the present application can accurately determine the position of the autonomous vehicle.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: November 9, 2021
    Assignee: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Jiajia Chen, Ji Wan, Tian Xia
  • Publication number: 20210342867
    Abstract: Methods for predicting an economic state and establishing an economic state prediction model and corresponding apparatuses, and relates to the technical field of big data are disclosed. A specific implementation solution is: acquiring, from map application data, geographic location point active data in N historical time frames before a to-be-predicted future time frame respectively for a to-be-predicted region, the N being a positive integer; and inputting feature vectors of the geographic location point active data in the N historical time frames before the to-be-predicted time frame into a pre-trained economic state prediction model, to obtain economic indicator data of the to-be-predicted region in the to-be-predicted time frame. An economic state of the to-be-predicted region in the to-be-predicted time frame can be predicted, thus providing a reference for policy making in advance.
    Type: Application
    Filed: November 19, 2020
    Publication date: November 4, 2021
    Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Jizhou HUANG, Haifeng WANG, Miao FAN, Haoyi XIONG, An ZHUO, Ying LI, Dejing DUO
  • Publication number: 20210342348
    Abstract: A method for parsing a query, an electronic device and a readable storage medium, which relate to the field of natural language processing technologies, are disclosed. According to some embodiments, the method includes: acquiring the query input by a user; constructing a syntactic dependency tree of the query; matching the syntactic dependency tree of the query with syntactic dependency trees of preset templates, and determining a target template according to the matching result; and marking a slot operator of a slot in the query using the target template, and the marked slot operator represents a logical relationship applied to the slot in the query. With the technical solution, the logical relationship applied to the slot in the query may be acquired, and the accuracy of query parse may be improved.
    Type: Application
    Filed: November 17, 2020
    Publication date: November 4, 2021
    Applicant: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD
    Inventors: Xiaonan HE, Qiang JU, Jian XIE
  • Publication number: 20210342861
    Abstract: Methods for monitoring an economic state and establishing an economic state monitoring model and corresponding apparatuses, and relates to the technical field of big data are disclosed. A specific implementation solution is: acquiring, from map application data, geographic location point active data in a to-be-monitored future time frame and N historical time frames before the to-be-monitored time frame respectively for a to-be-monitored region, the N being a positive integer; and inputting feature vectors of the geographic location point active data in the to-be-monitored time frame and the N historical time frames before the to-be-monitored time frame into a pre-trained economic state monitoring model, to obtain economic indicator data of the to-be-monitored region in the to-be-monitored time frame. An economic state of the to-be-monitored region in the to-be-monitored time frame in real time can be monitored, thus timely providing a reference for policy making.
    Type: Application
    Filed: December 8, 2020
    Publication date: November 4, 2021
    Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Jizhou HUANG, Haifeng WANG, Miao FAN, Haoyi XIONG, An ZHUO, Ying LI, Dejing DOU