Patents Assigned to BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
  • Patent number: 11900269
    Abstract: Exemplary embodiments of the present disclosure provide a method and apparatus for managing a knowledge base, a device and a computer readable storage medium. The method for managing a knowledge base includes: forking, in response to receiving a request for modification of a rule for a first namespace, the rule to the first namespace, the rule being used to constrain structured data in a knowledge base; modifying, based on the request for modification of the rule, the rule in the first namespace; and adding the modified rule to a rule base associated with the knowledge base.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: February 13, 2024
    Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventors: Weiyu Wang, Chao Lu, Yong Zhu
  • Patent number: 11902346
    Abstract: The present disclosure provides a method and apparatus for processing a streaming media service, an electronic device, and a storage medium, and relates to the technical field of computers, particularly to technical fields such as industrial vision, deep learning, streaming media, and information flow. A specific implementation solution involves: acquiring registration information of an input source, the registration information including process information of a streaming media service process of the input source and streaming media address information of the input source; enabling the streaming media service process according to the process information; and controlling, by using the streaming media address information, the streaming media service process to process streaming media data of the input source.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: February 13, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Shuo Li, Xuechao Wei, Yonggao Fu, Jiabing Leng, Yawen Liu, Mingfa Zhu, Feng Huang
  • Patent number: 11899699
    Abstract: This application discloses a keyword generating method, an apparatus, a device and a storage medium, which relate to the field of natural language processing in the field of artificial intelligence. A specific implementation scheme includes: inputting a target text into a text processing model, obtaining a word sequence corresponding to the target text, and generating a semantic representation sequence corresponding to the word sequence; making prediction about each semantic representation vector in the semantic representation sequence respectively to obtain a prediction result; and if the prediction result indicates that a word corresponding to the semantic representation vector is capable of triggering a generation of a keyword, outputting the keyword based on the semantic representation vector and the prediction result. This method improves the accuracy of generating keywords.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: February 13, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Kaichun Yao, Chuan Qin, Hengshu Zhu, Chao Ma, Jingshuai Zhang
  • Patent number: 11900918
    Abstract: The present disclosure provides a method for training a linguistic model, related to fields of speech, natural language processing, deep learning technologies. A method includes: obtaining grammars corresponding to a plurality of sample texts and a slot value of a slot in each grammar by using semantic analysis; generating a grammar graph corresponding to each grammar based on the corresponding grammar and the slot value of the slot in the corresponding grammar; obtaining a weight of each grammar, a weight of each slot, and a weight of each slot value in each grammar graph based on the sample texts; determining at least one grammar frequency of each order based on the weight of each grammar, the weight of each slot, and the weight of each slot value in each grammar graph; and training the linguistic model based on the at least one grammar frequency of each order.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: February 13, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Liao Zhang, Zhengxiang Jiang, Xiaoyin Fu
  • Patent number: 11899710
    Abstract: An image recognition method, electronic device, and storage medium are provided and relate to the fields of artificial intelligence, computer vision, deep learning, image processing, and the like. The method includes: performing joint training on a first sub-network configured for recognition processing and a second sub-network configured for retrieval processing in a classification network by adopting an identical set of training data to obtain a trained target classification network, wherein, the first sub-network and the second sub-network are twin networks that are consistent in network structures and share a set of weights; and inputting image data to be recognized into the target classification network to obtain a recognition result. By adopting the method, the accuracy of the image recognition may be improved.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: February 13, 2024
    Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventor: Min Yang
  • Patent number: 11898936
    Abstract: A method and apparatus for evaluating a body feeling of a vehicle, an electronic device and a storage medium are provided. The method includes: a pressure of a measured object acting on each measurement region of a target riding apparatus under a current weight is measured by at least one pressure sensing unit within a measurement time period; a pressure intensity generated by the pressure of the measured object acting on each measurement region is calculated according to the pressure on each measurement region measured by each pressure sensing unit and an individual size of each pressure sensing unit; an objective body feeling evaluation score of the measured object under the current weight is determined according to the measured pressure and the calculated pressure intensity; and a comprehensive body feeling evaluation score is calculated according to the objective body feeling evaluation score and a predetermined subjective body feeling evaluation score.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: February 13, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yiqun Fu, Qingyu Li, Shengzhao Tao
  • Patent number: 11893685
    Abstract: The present disclosure provides a landform map building method and apparatus, an electronic device and a readable storage medium, and relates to the field of image processing technologies.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: February 6, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Junjun Zhang, Yi Zeng, Xiaopei Hou
  • Patent number: 11893977
    Abstract: A method for recognizing a Chinese-English mixed speech, includes: determining pronunciation information and scores of a language model, of speech information, in response to receiving the speech information; determining whether an English word exists in content of the speech information based on the pronunciation information; determining a Chinese word corresponding to the English word based on a preset Chinese-English mapping table in response to the English word existing in the content of the speech information, in which the Chinese-English mapping table includes a mapping relationship of at least one pair of English word and Chinese word; determining a score of the Chinese word corresponding to the English word; replacing a score of the English word in the scores of the language model with the score of the Chinese word; and obtaining a speech recognition result for the speech information based on the replaced scores of the language model.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: February 6, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Zhijian Wang, Sheng Qian, Qi Zhang
  • Patent number: 11893708
    Abstract: Provided are an image processing method and apparatus, a device, and a storage medium, relating to the technical field of image processing, in particular to the artificial intelligence fields such as computer vision and deep learning. The specific implementation scheme is as follows: inputting a to-be-processed image into an encoding network to obtain a basic image feature, wherein the encoding network includes at least two cascaded overlapping encoding sub-networks which perform encoding and fusion processing on input data at at least two resolutions; and inputting the basic image feature into a decoding network to obtain a target image feature for pixel point classification, wherein the decoding network includes at least one cascaded overlapping decoding sub-network to perform decoding and fusion processing on input data at at least two resolutions respectively.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: February 6, 2024
    Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Jian Wang, Xiang Long, Hao Sun, Zhiyong Jin, Errui Ding
  • Patent number: 11893988
    Abstract: The disclosure provides a speech control method, a speech control apparatus, an electronic device, and a storage medium. The method includes: acquiring target audio data sent by a client, the target audio data including audio data collected by the client within a target duration before wake-up and audio data collected by the client after wake-up; performing speech recognition on the target audio data; and controlling the client based on an instruction recognized from a second audio segment of the target audio data in response to recognizing a wake-up word from a first audio segment at beginning of the target audio data; in which, the second audio segment is later than the first audio segment or has an overlapping portion with the first audio segment.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: February 6, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Song Yang, Saisai Zou, Jieyi Cao, Junyao Shao
  • Patent number: 11893081
    Abstract: This application discloses a map display method and apparatus, where the method includes: obtaining an initial image, where a first road is included in the initial image. The initial image is divided into a first sub-image and a second sub-image, where the first road is not included in the first sub-image, and the first road is included in the second sub-image. The first sub-image is mapped to a first plane of a transition model, and the second sub-image is mapped to a second plane of the transition model, where there is an included angle between the first plane and the second plane, and the first plane is parallel to a screen of a display device. The second plane is controlled to move by means of the transition model, until the included angle is reduced from a first angle to a second angle, and a three-dimensional map display animation is obtained.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: February 6, 2024
    Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Da Qu, Wenjie Ma
  • Patent number: 11893073
    Abstract: The present disclosure discloses a method and apparatus for displaying map points of interest, and an electronic device, relates to the field of artificial intelligence, and in particular to intelligent transportation. A specific implementation solution includes: acquiring features corresponding to multiple candidate points of interest; determining predicted popularity of the multiple candidate points of interest according to a mapping relation between each feature and each popularity and the features of the multiple candidate points of interest, and the mapping relation is determined based on the frequency of operations performed by a user for each sample point of interest in a historical time period; and displaying the candidate points of interest of which predicted popularity meets a preset popularity condition in a map. Therefore, the accuracy of the displayed points of interest may be enhanced.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: February 6, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Yanyan Li, Airong Jiang, Shilin Wu, Dejing Dou
  • Publication number: 20240037911
    Abstract: Provided is an image classification method, an electronic device and a storage medium, relating to a field of artificial intelligence technology, and specifically, to the technical fields of deep learning, image processing and computer vision, which may be applied to scenes such as image classification. The image classification method includes: extracting a first image feature of a target image by using a first network model, where the first network model includes a convolutional neural network module; extracting a second image feature of the target image by using a second network model, where the second network model includes a deep self-attention transformer network (Transformer) module; fusing the first image feature and the second image feature to obtain a target feature to be recognized; and classifying the target image based on the target feature to be recognized.
    Type: Application
    Filed: February 14, 2023
    Publication date: February 1, 2024
    Applicant: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Ying Xin, Song Xue, Yuan Feng, Chao Li, Bin Zhang, Yunhao Wang, Shumin Han
  • Publication number: 20240037410
    Abstract: A method for model aggregation in federated learning (FL), a server, a device, and a storage medium are suggested, which relate to the field of artificial intelligence (AI) technologies such as machine learning. A specific implementation solution involves: acquiring a data not identically and independently distributed (Non-IID) degree value of each of a plurality of edge devices participating in FL; acquiring local models uploaded by the edge devices; and performing aggregation based on the data Non-IID degree values of the edge devices and the local models uploaded by the edge devices to obtain a global model.
    Type: Application
    Filed: February 13, 2023
    Publication date: February 1, 2024
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Ji LIU, Beichen MA, Dejing DOU
  • Patent number: 11887473
    Abstract: A road congestion detection method realized by a computer includes obtaining K images taken by L cameras corresponding to a first road at a same target time point, the first road including M road sections, each road section corresponding to at least one camera, M, L, K each being a positive integer, L being greater than or equal to M, performing target detection on each image to obtain area ratio information, the area ratio information representing a ratio of an area of vehicles on a lane of a target road section to an area of the lane of the target road section, the target road section being a road section corresponding to the image in the M road sections, and determining a first congestion detection result of the first road at the target time point in accordance with K pieces of area ratio information corresponding to the M road sections.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: January 30, 2024
    Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Xiongfei Tan, Yiming Zhang, Tingting Ge, Xun Gan
  • Patent number: 11887376
    Abstract: The present disclosure provides a method and apparatus of estimating a road condition, and a method and apparatus of establishing a road condition estimation model, which relates to a field of big data and intelligent traffic. The method includes: acquiring, for a first preset duration before a first moment, a sequence of user tracks for a road and a sequence of road images for the road; extracting a track-related feature of the road from the sequence of the user tracks, and extracting an image-related feature of the road from the sequence of the road images; and inputting the track-related feature of the road and the image-related feature of the road into a pre-trained road condition estimation model, so as to determine, for a second preset duration after the first moment, a road condition information of the road by using an estimated result of the road condition estimation model.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: January 30, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Jizhou Huang, Hui Zhao, Deguo Xia, Haifeng Wang
  • Patent number: 11887388
    Abstract: The present disclosure provides an object pose obtaining method, and an electronic device, relates to technology fields of image processing, computer vision, and deep learning. A detailed implementation is: extracting an image block of an object from an image, and generating a local coordinate system corresponding to the image block; obtaining 2D projection key points in an image coordinate system corresponding to a plurality of 3D key points on a 3D model of the object; converting the 2D projection key points into the local coordinate system to generate corresponding 2D prediction key points; obtaining direction vectors between each pixel point in the image block and each 2D prediction key point, and obtaining a 2D target key point corresponding to each 2D predication key point based on the direction vectors; and determining a pose of the object according to the 3D key points and the 2D target key points.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: January 30, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Xiaoqing Ye, Zhikang Zou, Xiao Tan, Hao Sun
  • Patent number: 11878685
    Abstract: A vehicle control method, a vehicle control apparatus, an electronic device and a self-driving vehicle all relates to the field of self-driving and intelligent transportation technologies. The method includes: when a vehicle is moving, in a case that an occluding object is detected, determining a hard brake speed limit point and a potential collision point according to a planned path of the vehicle and position information of the occluding object; calculating a speed limit value of the hard brake speed limit point based on a distance between the hard brake speed limit point and the potential collision point; in a case that a planned speed of the vehicle at the hard brake speed limit point is less than or equal to the speed limit value, controlling the vehicle to move at the planned speed.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: January 23, 2024
    Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Lei Zhang, Kai Yang, Qijuan Yin, Wuzhao Zhang, Xiaoyan Wang
  • Patent number: 11881050
    Abstract: A method for detecting a face synthetic image, an electronic device and a storage medium are provided. The technical solution includes inputting a face image to be detected into a pre-trained convolution neural network to obtain a raw image feature of the face image; inputting the raw image feature into a first full connected layer and a second full connected layer respectively to obtain a first feature vector corresponding to a face key point of the face image and a second feature vector corresponding to the face image; merging the first feature vector and the second feature vector to obtain a merged feature vector; inputting the merged feature vector to a third full connected layer to obtain a detection result of the face image.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: January 23, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Keyao Wang, Haocheng Feng, Haixiao Yue
  • Patent number: 11880341
    Abstract: Embodiments of the present disclosure provide a container image processing method and apparatus, and a storage medium. The method includes: obtaining required file information for generating a container image, and constructing a complete image according to the required file information; determining a specified directory to be deleted in the complete image, and compressing the complete image based on the specified directory to be deleted to obtain a compressed image; obtaining directory content of the specified directory to be deleted, and generating content to be mounted based on the directory content of the specified directory to be deleted; and storing the content to be mounted to a block device file system, and mounting the compressed image to the block device file system.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: January 23, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Chi Liu, Ziheng Li, Kai Chen, Xiaoning Yu, Hui Han