Patents Assigned to Beijing Baidu Netcom Science and Technology Co., Ltd
  • Publication number: 20250149110
    Abstract: A method for predicting a structure of a protein complex includes: obtaining an initial coordinate of each amino acid residue in a target protein complex, and obtaining a target residue pair feature, a first multiple sequence alignment (MSA) feature and a second MSA feature of each protein monomer in the target protein complex; and inputting the initial coordinate of each amino acid residue, and the target residue pair feature, the first MSA feature and the second MSA feature of each protein monomer into an N-level fold iteration network layer, and obtaining a target coordinate of each amino acid residue by predicting a torsion angle, a position transformation at residue level and a position transformation at monomer chain level of each amino acid residue via the N level fold iteration network layer, to obtain a predicted structure of the protein complex.
    Type: Application
    Filed: October 28, 2024
    Publication date: May 8, 2025
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Kunrui Zhu, Lihang Liu, Xiaomin Fang, Xiaonan Zhang, Jingzhou He
  • Patent number: 12293300
    Abstract: The disclosure provides a method for training a semantic retrieval network, an electronic device and a storage medium. The method includes: obtaining a training sample including a search term and n candidate files corresponding to the search term, where n is an integer greater than 1; inputting the training sample into the ranking model, to obtain n first correlation degrees output by the ranking model, in which each first correlation degree represents a correlation between a candidate document and the search term; inputting the training sample into the semantic retrieval model, to obtain n second correlation degrees output by the semantic retrieval model, wherein each second correlation degree represents a correlation between a candidate document and the search term; and training the semantic retrieval model and the ranking model jointly based on the n first correlation degrees and the n second correlation degrees.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: May 6, 2025
    Assignees: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD., CO., LTD.
    Inventors: Yingqi Qu, Yuchen Ding, Jing Liu, Hua Wu, Haifeng Wang
  • Patent number: 12292938
    Abstract: The disclosure discloses a conversation-based recommending method. A directed graph corresponding to a current conversation is obtained. The current conversation includes clicked items, the directed graph includes nodes and directed edges between the nodes, each node corresponds to a clicked item, and each directed edge indicates relationship data between the nodes. For each node of the directed graph, an attention weight is determined for each directed edge corresponding to the node based on a feature vector of the node and the relationship data for each node of the directed graph. A new feature vector of the node is determined based on the relationship data and the attention weight of each directed edge. A feature vector of the current conversation is determined based on the new feature vector of each node. An item is recommended based on the feature vector of the current conversation.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: May 6, 2025
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Tianjian He, Yi Liu, Daxiang Dong, Dianhai Yu, Yanjun Ma
  • Publication number: 20250139327
    Abstract: A method for processing a model operator includes: determining an operator set for model networking, wherein the operator set comprises a plurality of operators; determining a storage amount occupied by an output tensor of each operator in the operator set and a computation time period consumed in a forward computation of each operator in the operator set; and determining a first operator participating in recomputation in a model from the operator set, based on the storage amounts and the computation time periods of the plurality of operators.
    Type: Application
    Filed: September 25, 2024
    Publication date: May 1, 2025
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Liang Shen, Jinle Zeng, Hongxiang Hao, Weibao Gong, Dianhai Yu, Haifeng Wang
  • Patent number: 12287947
    Abstract: A method for determining multimedia editing information includes: obtaining a first playback time of a first target frame in first multimedia data to be edited, a second playback time of the first target frame for second multimedia data after editing and a playback multi-times speed set for the first multimedia data; determining, based on the first playback time and the second playback time, a time deviation that occurs while editing the first multimedia data at the playback multi-times speed for the first multimedia data; and determining, based on the time deviation, the first playback time, the second playback time and the playback multi-times speed, a playback time of the first multimedia data corresponding to each playback time of the second multimedia data after the second playback time.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: April 29, 2025
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Tong Wu, Wei Yang
  • Patent number: 12283085
    Abstract: Provided is a data labeling method based on artificial intelligence, an apparatus, and a storage medium relating to the field of artificial intelligence, particularly data labeling, image recognition, and natural language processing. The method includes: determining a plurality of samples involved in clustering; performing a plurality of following operations circularly to realize iterative processing, until a convergence condition is satisfied or a quantity of iterations reaches a number threshold, comprising: pre-clustering the plurality of samples according to a vector representation of the respective samples to obtain a plurality of class clusters, each class cluster containing at least one sample; receiving labeling information for the respective class clusters and re-determining the plurality of samples according to the labeling information; and determining a clustering result according to the labeling information for the respective class clusters.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: April 22, 2025
    Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Siqi Xu, Ke Sun, Jian Gong, Xu Pan, Zhiqun Xia, Zhe Yang, Zecheng Zhuo
  • Patent number: 12283124
    Abstract: A method of training a text quality assessment model, a method of determining text quality, an electronic device, and a storage medium are provided. The method of training the text quality assessment model includes: determining a first text satisfying a condition of being a negative sample and a second text satisfying a condition of being a positive sample from a plurality of texts based on indicators for the texts; for any text of the first text and the second text, adding a label to the text based on the condition satisfied by the text, wherein the label indicates a category of the text, and the category includes a low-quality category for the negative sample and a non-low-quality category for the positive sample; and constituting a training set by the first text having a label and the second text having a label, to train the text quality assessment model.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: April 22, 2025
    Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Heng Wang, Zhenlei Tian, Tianbao Yu
  • Patent number: 12282849
    Abstract: The present application discloses a method for training a classification model, a classification method, an apparatus and a device. A specific implementation is: acquiring behavior information of multiple users and personal basic information of the multiple users; where categories of at least part of users of the multiple users are known; inputting the personal basic information of the multiple users into a classification model to be trained to obtain feature information of the multiple users and predicted categories of users with known categories; and training the classification model to be trained according to the behavior information of the multiple users, the feature information of the multiple users, the predicted categories of the users with the known categories, and real categories of the users with the known categories, to obtain a trained classification model. The user categories determined by using the classification model are more accurate.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: April 22, 2025
    Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Yaqing Wang, Dejing Dou
  • Patent number: 12282746
    Abstract: A display method, an electronic device, and a storage medium, which relate to a field of natural language processing and a field of display. The display method includes: acquiring a content to be displayed; extracting a target term from the content using a term extraction rule; acquiring an annotation information for at least one target term, responsive to an extraction of the at least one target term; and displaying the annotation information for the at least one target term and the content.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: April 22, 2025
    Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Haifeng Wang, Zhanyi Liu, Zhongjun He, Hua Wu, Zhi Li, Xing Wan, Jingxuan Zhao, Ruiqing Zhang, Chuanqiang Zhang, Fengtao Huang, Hanbing Song, Wei Di, Shuangshuang Cui, Yongzheng Xin
  • Publication number: 20250124580
    Abstract: A method for image processing, including: obtaining an image to be processed; determining a portrait area in the image to be processed, and cropping, based on the portrait area, a target background image from the image to be processed; obtaining a portrait by performing portrait matting on the image to be processed and obtaining an enlarged portrait by enlarging the portrait, wherein a height of the enlarged portrait is greater than a height of the target background image; and generating, based on the target background image and the enlarged portrait, a target image.
    Type: Application
    Filed: December 18, 2024
    Publication date: April 17, 2025
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventor: Shiyang Dong
  • Publication number: 20250124679
    Abstract: The present disclosure provides method and apparatus for transferring facial expression of digital human, electronic device, and storage medium, which relates to the fields of augmented reality technologies, virtual reality technologies, computer vision technologies, deep learning technologies, or the like, and can be applied to scenarios, such as metaverse, a virtual digital human, or the like, An implementation includes: screening an identification of a target reference model matched with an object model from a preset reference model library; the reference model library including a plurality of reference models; acquiring an expression library of the target reference model based on the identification of the target reference model; and transferring a last frame of an expression in the expression library of the target reference model into the object model to obtain a last frame of an expression of the object model.
    Type: Application
    Filed: June 19, 2024
    Publication date: April 17, 2025
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Lei WANG, Xiaodong ZHANG, Shiyan LI
  • Publication number: 20250123812
    Abstract: The disclosure provides a code completion method based on a big model. The method includes: determining a first code element where a position to be completed is located in a first code file to be completed; determining a second code file having a dependency relationship with the first code file from a development project to which the first code file belongs; determining, according to the first code element, a second code element whose correlation with the first code element meets a preset condition, in which the second code element belongs to at least one of the first code file or the second code file; and generating a target code corresponding to the position to be completed through a big model based on a signature of the second code element.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 17, 2025
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Yuehao Zhao, Wenjie Li, Chuqing Wang, Yunpeng Peng, Sai Gao, Hui Li, Junwei Xing, Wanpeng Niu, Bingfei Zhang
  • Publication number: 20250124651
    Abstract: The present disclosure provides method and apparatus for generating 3D scene based on large language model, electronic device, and storage medium, which relates to the field of artificial intelligence technologies, particularly the fields of three-dimensional modeling technologies, large language model technologies, or the like. The three-dimensional scene generating method based on a large language model includes: processing description information of a target three-dimensional scene to obtain label information in the description information; generating query operation prompt of the LLM based on the label information, and acquiring a target asset set matched with the label information by the LLM based on the query operation prompt, the target asset set including a target asset in the target three-dimensional scene, target material information of the target asset and target scene attribute information of the target asset; and generating the target three-dimensional scene based on the target asset set.
    Type: Application
    Filed: June 19, 2024
    Publication date: April 17, 2025
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Yichen LI, Lei WANG, Xiaodong ZHANG, Shiyan LI
  • Publication number: 20250124680
    Abstract: A digital human generation method, an electronic device and a storage medium are disclosed. The solution relates to the fields of augmented reality technologies, virtual reality technologies, computer vision technologies, deep learning technologies, or the like, and can be applied to scenarios, such as metaverse, a virtual digital human, or the like. An implementation includes: acquiring a corresponding target object model based on a picture of a to-be-generated digital human; acquiring a corresponding point cloud of a head key feature in the picture from a pre-configured feature library based on the head key feature; and fusing the point cloud of the head key feature in the target object model to obtain a digital human figure.
    Type: Application
    Filed: June 19, 2024
    Publication date: April 17, 2025
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Lei WANG, Xiaodong ZHANG, Shiyan LI
  • Patent number: 12277387
    Abstract: A text processing method is provided. The method includes: a first probability value of each candidate character of a plurality of candidate characters corresponding to a target position is determined based on character feature information corresponding to the target position in a text fragment to be processed, wherein the character feature information is determined based on a context at the target position in the text fragment to be processed; a second probability value of each candidate character of the plurality of candidate characters is determined based on a character string including the candidate character and at least one character in at least one position in the text fragment to be processed adjacent to the target position; and a correction character at the target position is determined based on the first probability value and the second probability value of each candidate character of the plurality of candidate characters.
    Type: Grant
    Filed: November 16, 2022
    Date of Patent: April 15, 2025
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Ruiqing Zhang, Zhongjun He, Zhi Li, Hua Wu
  • Patent number: 12277401
    Abstract: The present disclosure discloses a method and apparatus for acquiring a pre-trained model, and relates to natural language processing and deep learning technologies in the field of artificial intelligence technologies. An implementation includes: acquiring training data, the training data including a single-modal language material and a multi-modal language material, and the multi-modal language material including a language material pair formed by a first-modal language material and a second-modal language material; and performing a multi-task training operation on a pre-trained model using the training data, the multi-task including at least one cross-modal contrastive learning task and at least one single-modal learning task; the pre-trained language model obtained in the present disclosure may learn from different forms of language materials, i.e.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: April 15, 2025
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Guocheng Niu, Wei Li, Can Gao, Xinyan Xiao, Hua Wu
  • Patent number: 12276521
    Abstract: A method for processing map data includes: determining a first region for which a map display image is to be drawn; determining multiple first reference points within the first region according to a second region corresponding to the first region; determining relative height data of the first region according to positions and real height data of all the first reference points; and determining a map display image of a position to be displayed according to the relative height data, in which the position to be displayed is within the first region.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: April 15, 2025
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventor: Xinxin Pei
  • Patent number: 12277146
    Abstract: There is provided a method for updating information of a point of interest, an electronic device and a storage medium, relating to the field of artificial intelligence, in particular to the field of information intelligent search, and being applicable to a scene for identifying a specified type of text content. The method includes identifying a user focus information to be approved for a target point of interest from at least one user-generated content; constructing an approval request information for approving the user focus information; pushing the approval request information to an operator of the target point of interest and obtaining an approval result information for the user focus information from the operator; and updating an attribute information of the target point of interest according to the approval result information.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: April 15, 2025
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Yingchao Shi, Jizhou Huang
  • Patent number: 12277398
    Abstract: A model training method, a model training platform, an electronic device and a storage medium are provided, which can be used in the field of artificial intelligence, particularly the fields of natural language processing and deep learning. The model training method includes: receiving an input; determining, based on the input, a user-oriented prefabricated function; determining, based on the input, a model training function; determining, based on the input, a pre-trained model; determining, based on the input, a network structure associated with the pre-trained model so as to support use of the pre-trained model; training, based on the input, the model by using the prefabricated function, the model training function, and the pre-trained model; and providing an output associated with a trained model.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: April 15, 2025
    Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventors: Jian Gong, Yu Sun, Hao Tian, Hua Wu, Haifeng Wang, Qiaoqiao She
  • Patent number: 12277397
    Abstract: A method of training a model, a method of determining a word vector, a device, a medium, and a product are provided, which may be applied to fields of natural language processing, information processing, etc. The method includes: acquiring a first word vector set corresponding to a first word set; and generating a reduced-dimensional word vector for each word vector in the first word vector set based on a word embedding model, generating, for other word vector in the first word vector set, a first probability distribution in the first word vector set based on the reduced-dimensional word vector, and adjusting a parameter of the word embedding model so as to minimize a difference between the first probability distribution and a second probability distribution for the other word vector determined by a number of word vector in the first word vector set.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: April 15, 2025
    Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Chao Ma, Jingshuai Zhang, Qifan Huang, Kaichun Yao, Peng Wang, Hengshu Zhu