Patents by Inventor Yifeng PAN
Yifeng PAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11878716Abstract: The present application provides a method and apparatus for planning an autonomous vehicle, an electronic device and a storage medium, which relates to the field of autonomous driving. According to the technical solutions of the present application, time points of entering a vehicle-converging area can be accurately predicted according to traveling conditions of two parties, so that a driving behavior of the autonomous vehicle is controlled more accurately.Type: GrantFiled: December 16, 2020Date of Patent: January 23, 2024Inventors: Zhongpu Xia, Yaqin Chen, Yifeng Pan, Hongye Li
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Publication number: 20230391362Abstract: The disclosed techniques include: obtaining traveling state information of the autonomous vehicle; obtaining, in response to confirming that there is a traffic object within a preset range for the autonomous vehicle, true motion state information of the traffic object; determining a first control decision for indicating whether the autonomous vehicle is to avoid the traffic object based on the traveling state information of the autonomous vehicle and the true motion state information of the traffic object; predicting first predictive motion state information of the traffic object within a first preset duration based on the true motion state information of the traffic object and the first control decision; and determining a second control decision for the autonomous vehicle based on the traveling state information of the autonomous vehicle and the first predictive motion state information of the traffic object.Type: ApplicationFiled: August 18, 2023Publication date: December 7, 2023Inventors: Changchun LIU, Yabo SU, Yifeng PAN, Yixian LI, Han DENG, Jing YANG, Chao WANG, Zhenguang ZHU, Liang PENG
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Patent number: 11688215Abstract: A vehicle performance evaluation method, device and terminal are provided. The method includes: acquiring a labeled ADE score of an ADE item within a time period in which the ADE item occurs, and recording labeled data of an ADE index for indicating a vehicle state; acquiring a correlation between the ADE item and the vehicle state, according to the labeled ADE score and the labeled data of the ADE index; acquiring data of a target ADE index within a preset time period, and acquiring a target ADE score according to the data of the target ADE index and a correlation between the ADE item and the vehicle state; and acquiring a vehicle performance evaluation result according to the target ADE score. The passenger participation is not necessary, costs can be reduced and a vehicle evaluation efficiency can be improved.Type: GrantFiled: December 10, 2021Date of Patent: June 27, 2023Assignee: APOLLO INTELLIGENT DRIVING TECHNOLOGY (BEIJING) CO., LTD.Inventors: Lizhi Zhang, Yunyan Hu, Yifeng Pan, Rui Liu, Ya Wang, Qihao Huang
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Patent number: 11574511Abstract: A vehicle performance evaluation method, device and terminal are provided. The method includes: acquiring a labeled ADE score of an ADE item within a time period in which the ADE item occurs, and recording labeled data of an ADE index for indicating a vehicle state; acquiring a correlation between the ADE item and the vehicle state, according to the labeled ADE score and the labeled data of the ADE index; acquiring data of a target ADE index within a preset time period, and acquiring a target ADE score according to the data of the target ADE index and a correlation between the ADE item and the vehicle state; and acquiring a vehicle performance evaluation result according to the target ADE score. The passenger participation is not necessary, costs can be reduced and a vehicle evaluation efficiency can be improved.Type: GrantFiled: December 10, 2021Date of Patent: February 7, 2023Assignee: APOLLO INTELLIGENT DRIVING TECHNOLOGY (BEIJING) CO., LTD.Inventors: Lizhi Zhang, Yunyan Hu, Yifeng Pan, Rui Liu, Ya Wang, Qihao Huang
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Publication number: 20220101670Abstract: A vehicle performance evaluation method, device and terminal are provided. The method includes: acquiring a labeled. ADE score of an ADE item within a time period in which the ADE item occurs, and recording labeled data of an ADE index for indicating a vehicle state; acquiring a correlation between the ADE item and the vehicle state, according to the labeled ADE score and the labeled data of the ADE index; acquiring data of a target ADE index within a preset time period, and acquiring a target ADE score according to the data of the target ADE index and a correlation between the ADE item and the vehicle state; and acquiring a vehicle performance evaluation result according to the target ADE score. The passenger participation is not necessary, costs can be reduced and a vehicle evaluation efficiency can be improved.Type: ApplicationFiled: December 10, 2021Publication date: March 31, 2022Inventors: Lizhi Zhang, Yunyan Hu, Yifeng Pan, Rui Liu, Ya Wang, Qihao Huang
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Publication number: 20220101671Abstract: A vehicle performance evaluation method, device and terminal are provided. The method includes: acquiring a labeled ADE score of an ADE item within a time period in which the ADE item occurs, and recording labeled data of an ADE index for indicating a vehicle state; acquiring a correlation between the ADE item and the vehicle state, according to the labeled ADE score and the labeled data of the ADE index; acquiring data of a target ADE index within a preset time period, and acquiring a target ADE score according to the data of the target ADE index and a correlation between the ADE item and the vehicle state; and acquiring a vehicle performance evaluation result according to the target ADE score. The passenger participation is not necessary, costs can be reduced and a vehicle evaluation efficiency can be improved.Type: ApplicationFiled: December 10, 2021Publication date: March 31, 2022Inventors: Lizhi Zhang, Yunyan Hu, Yifeng Pan, Rui Liu, Ya Wang, Qihao Huang
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Patent number: 11285970Abstract: A vehicle track prediction method and device, a storage medium and a terminal device are provided. The method includes: determining an obstacle vehicle entering a junction region in a case that an autonomous vehicle enters the junction region; acquiring historical traveling data of the obstacle vehicle in the junction region; predicting a potential track of the obstacle vehicle according to the historical traveling data and a current traveling state of the obstacle vehicle; and predicting a track of the autonomous vehicle in the junction region according to the potential track of the obstacle vehicle and a current traveling state of the autonomous vehicle. A decision making accuracy in self-driving may be effectively improved, and a driving risk may be reduced.Type: GrantFiled: February 19, 2020Date of Patent: March 29, 2022Assignee: Apollo Intelligent Driving Technology (Beijing) Co., Ltd.Inventors: Yifeng Pan, Xuguang Yang, Feiyi Jiang, Zhongtao Chen, Yixian Li
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Patent number: 11263839Abstract: A vehicle performance evaluation method, device and terminal are provided. The method includes: acquiring a labeled ADE score of an ADE item within a time period in which the ADE item occurs, and recording labeled data of an ADE index for indicating a vehicle state; acquiring a correlation between the ADE item and the vehicle state, according to the labeled ADE score and the labeled data of the ADE index; acquiring data of a target ADE index within a preset time period, and acquiring a target ADE score according to the data of the target ADE index and a correlation between the ADE item and the vehicle state; and acquiring a vehicle performance evaluation result according to the target ADE score. The passenger participation is not necessary, costs can be reduced and a vehicle evaluation efficiency can be improved.Type: GrantFiled: February 12, 2020Date of Patent: March 1, 2022Assignee: Apollo Intelligent Driving (Beijing) Technology Co., Ltd.Inventors: Lizhi Zhang, Yunyan Hu, Yifeng Pan, Rui Liu, Ya Wang, Qihao Huang
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Patent number: 11084494Abstract: A method for detecting safety of a driving behavior, an apparatus, a device and a storage medium are provided. The method includes acquiring current driving data of a vehicle during a driving process of the vehicle; determining current driving behavior feature data of the vehicle according to the current driving data of the vehicle; inputting the current driving behavior feature data of the vehicle into a real-time safety detection model and calculating a security score corresponding to current driving behavior of the vehicle; and determining whether the current driving behavior of the vehicle is safe according to the security score corresponding to the current driving behavior of the vehicle. The method can assist an optimization of a vehicle driving system, reduce a safety risk of vehicle driving, and improve a riding experience of the user.Type: GrantFiled: July 11, 2019Date of Patent: August 10, 2021Inventors: Yunyan Hu, Ya Wang, Yifeng Pan, Dayang Hao, Rui Liu, Lizhi Zhang, Xiaojun Luo, Yaling Zhang, Ji Tao, Ruixiang Shen, Qihao Huang
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Publication number: 20210188317Abstract: The present application provides a method and apparatus for planning an autonomous vehicle, an electronic device and a storage medium, which relates to the field of autonomous driving. According to the technical solutions of the present application, time points of entering a vehicle-converging area can be accurately predicted according to traveling conditions of two parties, so that a driving behavior of the autonomous vehicle is controlled more accurately.Type: ApplicationFiled: December 16, 2020Publication date: June 24, 2021Inventors: Zhongpu XIA, Yaqin CHEN, Yifeng PAN, Hongye LI
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Publication number: 20200290651Abstract: A vehicle track prediction method and device, a storage medium and a terminal device are provided. The method includes: determining an obstacle vehicle entering a junction region in a case that an autonomous vehicle enters the junction region; acquiring historical traveling data of the obstacle vehicle in the junction region; predicting a potential track of the obstacle vehicle according to the historical traveling data and a current traveling state of the obstacle vehicle; and predicting a track of the autonomous vehicle in the junction region according to the potential track of the obstacle vehicle and a current traveling state of the autonomous vehicle. A decision making accuracy in self-driving may be effectively improved, and a driving risk may be reduced.Type: ApplicationFiled: February 19, 2020Publication date: September 17, 2020Inventors: Yifeng Pan, Xuguang Yang, Feiyi Jiang, Zhongtao Chen, Yixian Li
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Publication number: 20200292336Abstract: A vehicle track planning method, device are provided. The method includes: dividing a road scene from an origin to a destination into a plurality of grids, wherein a grid with an obstacle and a grid without obstacle are identified with respective scene information; constructing a plurality of functions B=f (A, W) of the scene information A for identifying a grid and a planning strategy B, wherein W represents a neural network model W, and the planning strategy B comprises information of each position point in the grids through which a planning path from the origin to the destination passes; fitting the plurality of constructed planning functions B=f (A, W) to obtain the neural network model W; and obtaining a planning track from the origin to the destination according to the neural network model W.Type: ApplicationFiled: March 6, 2020Publication date: September 17, 2020Inventors: Zhongpu Xia, Yifeng Pan
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Publication number: 20200269874Abstract: A track prediction method and device for an obstacle at a junction are provided. The method includes: acquiring environment information of a junction to be passed by a vehicle, and acquiring information on a visible obstacle in a sensible range of the vehicle, wherein the environment information comprises road information and information on a junction obstacle located in an area of the junction; combining the information on the junction obstacle with the information on the visible obstacle, and selecting information on a blind-zone obstacle in a blind zone of the vehicle at the junction; and predicting a moving track of an obstacle corresponding to the information on the blind-zone obstacle, according to the road information.Type: ApplicationFiled: February 14, 2020Publication date: August 27, 2020Inventors: Kun Zhan, Yifeng Pan, Xuguang Yang, Zhongtao Chen, Feiyi Jiang
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Publication number: 20200265710Abstract: A travelling track prediction method and device for a vehicle are provided. The method includes that: calculating a plurality of potential positions to which is to be reached by a target vehicle within a preset time within a sensible range of a main vehicle; selecting at least two positions from the plurality of potential positions as target positions; predicting a plurality of travelling tracks to each target position for the target vehicle based on travelling state information of the target vehicle; and selecting at least one travelling track from the plurality of travelling tracks as a prediction result of the target vehicle based on environment information around the target vehicle. According to the embodiments, the travelling track of the target vehicle around the main vehicle may be accurately predicted based on travelling state information and the environment information.Type: ApplicationFiled: February 18, 2020Publication date: August 20, 2020Inventors: Kun Zhan, Xuguang Yang, Yifeng Pan, Zhongtao Chen, Kecheng Xu, Feiyi Jiang
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Publication number: 20200265659Abstract: A vehicle performance evaluation method, device and terminal are provided. The method includes: acquiring a labeled ADE score of an ADE item within a time period in which the ADE item occurs, and recording labeled data of an ADE index for indicating a vehicle state; acquiring a correlation between the ADE item and the vehicle state, according to the labeled ADE score and the labeled data of the ADE index; acquiring data of a target ADE index within a preset time period, and acquiring a target ADE score according to the data of the target ADE index and a correlation between the ADE item and the vehicle state; and acquiring a vehicle performance evaluation result according to the target ADE score. The passenger participation is not necessary, costs can be reduced and a vehicle evaluation efficiency can be improved.Type: ApplicationFiled: February 12, 2020Publication date: August 20, 2020Inventors: Lizhi Zhang, Yunyan Hu, Yifeng Pan, Rui Liu, Ya Wang, Qihao Huang
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Publication number: 20200039525Abstract: A method for detecting safety of a driving behavior, an apparatus, a device and a storage medium are provided. The method includes acquiring current driving data of a vehicle during a driving process of the vehicle; determining current driving behavior feature data of the vehicle according to the current driving data of the vehicle; inputting the current driving behavior feature data of the vehicle into a real-time safety detection model and calculating a security score corresponding to current driving behavior of the vehicle; and determining whether the current driving behavior of the vehicle is safe according to the security score corresponding to the current driving behavior of the vehicle. The method can assist an optimization of a vehicle driving system, reduce a safety risk of vehicle driving, and improve a riding experience of the user.Type: ApplicationFiled: July 11, 2019Publication date: February 6, 2020Applicant: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Yunyan HU, Ya WANG, Yifeng PAN, Dayang HAO, Rui LIU, Lizhi ZHANG, Xiaojun LUO, Yaling ZHANG, Ji TAO, Ruixiang SHEN, Qihao HUANG
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Patent number: 9082181Abstract: An image processing method and apparatus is provided. The image processing method includes steps of: generating a first scale binary image from an image, wherein the first scale is smaller than the original scale of the image; detecting at least one text line in the image based on the first scale binary image; generating a second scale binary image from the image, wherein the second scale is larger than the first scale; for each text line, calculating a similarity between corresponding sections in the first scale binary image and the second scale binary image, and removing the text line for which the similarity is lower than a predetermined level; for one or more of the remaining text line(s), performing OCR on corresponding section(s) in the second scale binary image to determine character orientation(s) of corresponding text line(s); and determining the orientation of the image according to the determined character orientation(s).Type: GrantFiled: May 2, 2013Date of Patent: July 14, 2015Assignee: FUJITSU LIMITEDInventors: Jun Sun, Yifeng Pan, Satoshi Naoi
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Patent number: 9070035Abstract: The disclosure provides a document processing apparatus, method and a scanner. The document processing apparatus includes: a text line extraction unit extracting a text line from an input document; a language classification unit determining whether an OCR process is necessary for a language of the input document; an OCR unit determining, by performing the OCR process, an OCR confidence in the case that it is determined that the OCR process is necessary; an graphic feature recognition unit determining an graphic feature recognition confidence; and a determination unit determining a combination confidence based on at least one of the determined graphic feature recognition confidences and the determined OCR confidences, and determining an orientation of the input document based on the combination confidences. This technical solution can determine better an orientation of the document, and is especially applicable when the quality of the image of the document is deteriorated.Type: GrantFiled: May 29, 2013Date of Patent: June 30, 2015Assignee: FUJITSU LIMITEDInventors: Yifeng Pan, Jun Sun, Yuan He, Satoshi Naoi
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Publication number: 20130322757Abstract: The disclosure provides a document processing apparatus, method and a scanner. The document processing apparatus includes: a text line extraction unit extracting a text line from an input document; a language classification unit determining whether an OCR process is necessary for a language of the input document; an OCR unit determining, by performing the OCR process, an OCR confidence in the case that it is determined that the OCR process is necessary; an graphic feature recognition unit determining an graphic feature recognition confidence; and a determination unit determining a combination confidence based on at least one of the determined graphic feature recognition confidences and the determined OCR confidences, and determining an orientation of the input document based on the combination confidences. This technical solution can determine better an orientation of the document, and is especially applicable when the quality of the image of the document is deteriorated.Type: ApplicationFiled: May 29, 2013Publication date: December 5, 2013Inventors: Yifeng PAN, Jun SUN, Yuan HE, Satoshi NAOI
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Publication number: 20130294696Abstract: An image processing method and apparatus is provided. The image processing method includes steps of: generating a first scale binary image from an image, wherein the first scale is smaller than the original scale of the image; detecting at least one text line in the image based on the first scale binary image; generating a second scale binary image from the image, wherein the second scale is larger than the first scale; for each text line, calculating a similarity between corresponding sections in the first scale binary image and the second scale binary image, and removing the text line for which the similarity is lower than a predetermined level; for one or more of the remaining text line(s), performing OCR on corresponding section(s) in the second scale binary image to determine character orientation(s) of corresponding text line(s); and determining the orientation of the image according to the determined character orientation(s).Type: ApplicationFiled: May 2, 2013Publication date: November 7, 2013Applicant: FUJITSU LIMITEDInventors: Jun SUN, Yifeng PAN, Satoshi NAOI