Patents by Inventor Haonan LI
Haonan LI 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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Publication number: 20240155219Abstract: A method includes obtaining a photographed image from a photographing device carried by a movable object, determining a target object in the photographed image to track the target object, determining location estimation information of the target object based on shooting information of the photographing device, and in response to a disappearance of the target object in the photographed image, controlling the photographing device to search for the target object around a location associated with the location estimation information.Type: ApplicationFiled: December 19, 2023Publication date: May 9, 2024Inventors: Jie QIAN, Haonan LI, Cong ZHAO
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Publication number: 20240137206Abstract: Embodiments of this specification provide methods and apparatuses for data privacy protection. An embodiment of the methods comprises receiving, by a first party from a second party, an encrypted integrated vector, determining an encrypted result vector based on the original matrix and the encrypted integrated vector, determining a data processing result based on the encrypted result vector, and sending the data processing result to the second party for the second party to obtain a multiplication calculation result of the original matrix and the n original vectors based on the data processing result.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Applicant: Alipay (Hangzhou) Information Technology Co., Ltd.Inventors: Wuqiong Pan, Tao Wei, Tingting Li, Zhenqiang Wei, Haonan Feng
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Publication number: 20240070026Abstract: The disclosure proposes a method for remote upgrade and rollback of Unmanned Aerial Vehicle (UAV) software. The UAV includes a storage area and a UAV software upgrade module; and the storage area is divided into a main storage area, a backup storage area and a data area.Type: ApplicationFiled: November 23, 2021Publication date: February 29, 2024Inventors: Zhong WANG, Hongxuan GUO, Xukai WANG, Xinghui LI, Chang LI, Jiangfeng DUAN, Chenglin WANG, Yongfu GAO, Haonan WANG, Tengli LUO
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Patent number: 11863857Abstract: A method includes: determining a target object in a photographed image to track the target object; determining, based on shooting information of a photographing device carried by a movable object, a location of the target object to continuously record the location of the target object; and in response to a disappearance of the target object in the photographed image, controlling, according to the recorded location of the target object prior to the disappearance of the target object, an attitude of the photographing device such that the photographing device continues to photograph in a direction from the photographing device to the location of the target object.Type: GrantFiled: February 6, 2023Date of Patent: January 2, 2024Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Jie Qian, Haonan Li, Cong Zhao
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Publication number: 20230280745Abstract: A method is provided for controlling flight of an aircraft carrying an imaging device. The imaging device is mounted at a gimbal. The method includes in response to receiving a triggering operation that triggers the aircraft to operate in an image control mode, obtaining an environment image captured by the imaging device, recognizing a gesture of a target user in the environment image, and in response to recognizing that the gesture of the target user is a start-flight gesture, generating a takeoff control command to control the aircraft to take off. Obtaining the environment image includes after obtaining the triggering operation, controlling the gimbal to rotate to control the imaging device to scan and photograph in a predetermined photographing range, and obtaining the environment image including a characteristic part of the target user that is captured by the imaging device through scanning and photographing in the predetermined photographing range.Type: ApplicationFiled: May 12, 2023Publication date: September 7, 2023Inventors: Jie QIAN, Xia CHEN, Liliang ZHANG, Cong ZHAO, Zhengzhe LIU, Sijin LI, Lei PANG, Haonan LI
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Publication number: 20230188825Abstract: A method includes: determining a target object in a photographed image to track the target object; determining, based on shooting information of a photographing device carried by a movable object, a location of the target object to continuously record the location of the target object; and in response to a disappearance of the target object in the photographed image, controlling, according to the recorded location of the target object prior to the disappearance of the target object, an attitude of the photographing device such that the photographing device continues to photograph in a direction from the photographing device to the location of the target object.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Inventors: Jie QIAN, Haonan LI, Cong ZHAO
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Patent number: 11624022Abstract: The present invention discloses a preparation method for the plant-based nano corrosion inhibition bactericide for oilfield, comprising the following steps: Step 1. Prepare the aloin liquid; Step 2. Stir the carbon nanotube, hydroxyethyl methacrylate and acrylic acid to react for 4 h at a constant temperature of 80° C. to get the carbon nanotube after fiber treatment, namely the modified carbon nanotube; Step 3. Mix the aloin liquid with imidazoline-ammonium-salt, add acetonitrile, and then add modified carbon nanotube, increase the temperature to 95° C. stir and react for 12 hours, and filter after naturally cooling down to room temperature and get the carbon nanotube loaded with bactericide; Step 4. Stir the carbon nanotube loaded with bactericide, diphenylmethane diisocyanate and polycaprolactone to react for 6 hours at a constant temperature of 95° C. and in the reaction process, continuously inject helium to get the target bactericide.Type: GrantFiled: July 13, 2022Date of Patent: April 11, 2023Assignee: Southwest Petroleum UniversityInventors: Xiankang Zhong, Haonan Li, Zhi Zhang, Junying Hu, Li Zhou, Xi Yuan, Lingjie Li
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Patent number: 11575824Abstract: A method for an unmanned aerial vehicle (UAV) includes: identifying a target object in a photographed image to track the target object; determining, based on a location of the target object in the photographed image, a location of the UAV, and an altitude of a gimbal of the UAV, a location of the target object to continuously record the location of the target object; and in response to a disappearance of the target object in the photographed image, controlling, according to the recorded location of the target object prior to the disappearance of the target object, the altitude of the gimbal such that a photographing device carried by the UAV through the gimbal continues to photograph in a direction from the photographing device to the location of target object.Type: GrantFiled: January 18, 2021Date of Patent: February 7, 2023Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Jie Qian, Haonan Li, Cong Zhao
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Publication number: 20230032736Abstract: The present invention discloses a preparation method for the plant-based nano corrosion inhibition bactericide for oilfield, comprising the following steps: Step 1. Prepare the aloin liquid; Step 2. Stir the carbon nanotube, hydroxyethyl methacrylate and acrylic acid to react for 4 h at a constant temperature of 80° C. to get the carbon nanotube after fiber treatment, namely the modified carbon nanotube; Step 3. Mix the aloin liquid with imidazoline-ammonium-salt, add acetonitrile, and then add modified carbon nanotube, increase the temperature to 95° C. stir and react for 12 hours, and filter after naturally cooling down to room temperature and get the carbon nanotube loaded with bactericide; Step 4. Stir the carbon nanotube loaded with bactericide, diphenylmethane diisocyanate and polycaprolactone to react for 6 hours at a constant temperature of 95° C. and in the reaction process, continuously inject helium to get the target bactericide.Type: ApplicationFiled: July 13, 2022Publication date: February 2, 2023Applicant: Southwest Petroleum UniversityInventors: Xiankang ZHONG, Haonan LI, Zhi ZHANG, Junying HU, Li ZHOU, Xi YUAN, Lingjie LI
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Publication number: 20220338445Abstract: A toy for accompanying pets, containing a toy body and a heartbeat simulation device inside the toy body; the heartbeat simulation device has a shell; a motor is provided inside the shell; the motor is connected to a biased-center rotatable hammer; the motor drives the biased-center rotatable hammer to rotate. When the motor is turned on, the motor rotates and drives the biased-center rotatable hammer to rotate. When the biased-center rotatable hammer rotates, it vibrates and emits buzzing or humming sounds to simulate heartbeats of a living animal.Type: ApplicationFiled: May 7, 2021Publication date: October 27, 2022Inventor: Haonan LI
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Publication number: 20210144296Abstract: A method for an unmanned aerial vehicle (UAV) includes: identifying a target object in a photographed image to track the target object; determining, based on a location of the target object in the photographed image, a location of the UAV, and an altitude of a gimbal of the UAV, a location of the target object to continuously record the location of the target object; and in response to a disappearance of the target object in the photographed image, controlling, according to the recorded location of the target object prior to the disappearance of the target object, the altitude of the gimbal such that a photographing device carried by the UAV through the gimbal continues to photograph in a direction from the photographing device to the location of target object.Type: ApplicationFiled: January 18, 2021Publication date: May 13, 2021Inventors: Jie QIAN, Haonan LI, Cong ZHAO
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Patent number: 10897569Abstract: A photographing control method includes obtaining a plurality sets of shooting information including shooting location information and shooing angle information for a target object, and determining location estimation information for the target object based on at least two sets of shooting information selected from the plurality sets of shooting information. The shooting location information in the at least two sets of shooting information corresponds to different locations. The method further includes generating a shooting adjustment instruction based on the location estimation information, and adjusting a shooting angle of a photographing device according to the shooting adjustment instruction to place a location corresponding to the location estimation information within a viewing angle of the photographing device.Type: GrantFiled: May 30, 2019Date of Patent: January 19, 2021Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Jie Qian, Haonan Li, Cong Zhao
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Publication number: 20200348663Abstract: A method is provided for controlling flight of an aircraft carrying an imaging device. The method includes obtaining an environment image captured by the imaging device. The method also includes determining a characteristic part of a target user based on the environment image, determining a target image area based on the characteristic part, and recognizing a control object of the target user in the target image area. The method further includes generating a control command based on the control object to control the flight of the aircraft.Type: ApplicationFiled: July 22, 2020Publication date: November 5, 2020Inventors: Jie QIAN, Xia CHEN, Liliang ZHANG, Cong ZHAO, Zhengzhe LIU, Sijin LI, Lei PANG, Haonan LI
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Publication number: 20190281209Abstract: A photographing control method includes obtaining a plurality sets of shooting information including shooting location information and shooing angle information for a target object, and determining location estimation information for the target object based on at least two sets of shooting information selected from the plurality sets of shooting information. The shooting location information in the at least two sets of shooting information corresponds to different locations. The method further includes generating a shooting adjustment instruction based on the location estimation information, and adjusting a shooting angle of a photographing device according to the shooting adjustment instruction to place a location corresponding to the location estimation information within a viewing angle of the photographing device.Type: ApplicationFiled: May 30, 2019Publication date: September 12, 2019Inventors: Jie QIAN, Haonan LI, Cong ZHAO
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Publication number: 20190196474Abstract: A control method includes determining a movement direction of a movable platform, and controlling, according to the movement direction of the movable platform, an orientation of the movable platform to cause a detection device carried by the movable platform to approximately align with the movement direction.Type: ApplicationFiled: March 5, 2019Publication date: June 27, 2019Inventors: Jie QIAN, Haonan LI, Cong ZHAO