Sz Dji Technology Co., Ltd.

Siemens Aktiengesellschaft

Huawei Technologies Co., Limited

Shenzhen Royole Technologies Co., Ltd.

Cong Zhao

Xuyang Feng

Jie Qian

You Zhou

Ketan Tang

Guyue Zhou

Jiaqi Yan

Junfeng Yu

Honghui Zhang

Peiliang Li

Xingyu Zhang

Minjian Pang

Haonan Li

Zhe Liu

Ang Liu

Rui Li

Zhenyu Zhu

Shaojie Shen

Jinzhu Huang

Sijin Li

Liang Zhang

Yin Tang

Songling Yang

Cheng Wang

Jing Xu

Chao Jiang

Yao Liu

Jiangang Feng

Kang Yang

Guisheng Nong

Yannan Wu

Jinxin Li

Qifeng Wu

Lei Pang

Peichen Xu

Junhui Gong

Si Yu

Liliang Zhang

Yue Lu

Gao Zhu

Yu Ngok Li

Tao Zhao

Mingyu Wang

Xiao Liang Hu

Zisheng Cao

Yu Huang

Alto Stemmer

Yun Yu

Linchao Bao

Ye Tao

Zihong Liu

Yu Wang

Shuo Yang

Qiong Zhang

Jiebin Xie

Bo Zang

Ji Wang

Litian Zhang

Pan Hu

Rui Chen

Feilong Ma

Chenglin Mao

Zhicong Huang

Ruochen Tang

Xingguang Song

Yuanqiang Wang

Chenpeng Yang

In accordance with an embodiment. a message processing method applied to a server includes: receiving a first packet sent by a first client, where the first packet includes a receiving object identifier set and a message list, the receiving object identifier set includes an identifier of at least one receiving object, and the message list includes at least one first message; determining, based on the receiving object identifier set, at least one second user that receives the at least one first message; and for any second user of the at least one second user, generating a second packet, and sending the second packet to a second client to which the second user logs in, where the second packet includes an identifier of a receiving object corresponding to the second user and the message list.

Message processing method and apparatus

A movable object for detecting an obstacle includes a first passive infrared sensor having a first detection range and a first field of view, and one or more second passive infrared sensors each having a second detection range and a second field of view. The second detection range is longer than the first detection range and the second field of view is smaller than the first field of view. The movable object further includes one or more processors configured to calculate a distance from the movable object to the obstacle based on data from at least one of the first passive infrared sensor or the one or more second passive infrared sensors, and determine whether to effect a collision avoidance maneuver for the movable object to avoid the obstacle based on the distance.

Apparatus and methods for obstacle detection

A method for controlling a movable object includes obtaining current location information of an obstacle while the movable object tracks a target, determining whether the obstacle is located in a reactive region relative to the movable object based on the current location information of the obstacle. In response to determining that the obstacle is located in the reactive region, the method further includes determining, based on the current location information of the obstacle, whether the obstacle is located in a first sub-region or a second sub-region of the reactive region, where an area of the second sub-region is smaller than an area of the first sub-region; in response to determining that the obstacle is located in the first sub-region, reducing an acceleration of the movable object; and in response to determining that the obstacle is located in the second sub-region, reducing a velocity of the movable object.

Obstacle avoidance during target tracking

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.

Photographing control method, apparatus, and control device

A method for controlling movement of an unmanned aerial vehicle (UAV) includes controlling one or more propulsion units of the UVA to cause the UAV to operate according to a first set of altitude restrictions; assessing, with aid of the one or more processors and based on one or more criteria, whether to control the UAV to operate according to a second set of altitude restrictions; and controlling the one or more propulsion units to cause the UAV to operate according to the second set of altitude restrictions in response to the one or more criteria being fulfilled according to an assessing result. The first set of altitude restrictions constrain an altitude of the UAV relative to a first reference altitude. The second set of altitude restrictions constrain the altitude of the UAV relative to a second reference altitude.

Vehicle altitude restrictions and control

The present disclosure discloses a photographing method and an apparatus in, relates to the photographing field and the field of image processing technologies. When multiple people take a group photo, no help from a third party is required. Therefore, implementation is convenient, and user satisfaction with a group photo result can be improved, thereby improving user experience. The method includes: obtaining a first image including an image of a first photographing background and a first to-be-photographed subject; then displaying a first preview interface, the first preview image includes an image of a second photographing background and an image of a second to-be-photographed subject, and a degree of coincidence between the image of the second photographing background and the image of the first photographing background is greater than or equal to a preset degree of coincidence; obtaining a target image based on the first image and the first preview image.

Photographing method and apparatus

A method for controlling target tracking includes determining whether a tracking mode of a movable object is a manual tracking mode or an automatic tracking mode; when it is determined that the tracking mode is the manual tracking mode, determining a target for the movable object from one or more images based on a user input; when it is determined that the tracking mode is the automatic tracking mode, having the movable object determine the target automatically; and directing the movable object to track a target object using the target.

System and method for supporting smooth target following

A computer-implemented method for controlling a UAV includes identifying a set of target markers based on a plurality of images captured by an imaging device carried by the UAV, and controlling the UAV to fly based on the set of target markers. The set of target markers include at least two or more types of target markers and are in close proximity to be detected within a same field of view of the imaging device. Controlling the UAV to fly includes controlling the UAV to approach the set of target markers based at least in part on a spatial relationship between the UAV and a first type of target marker; and determining whether to control the UAV to land at or near the set of target markers based on information conveyed by a second type of target marker.

Methods and system for autonomous landing

Systems, methods, and computer-readable storage devices for obstacle detection may include an exemplary method of obstacle detection by a computing device. The method includes receiving a first dataset indicating a first surrounding with a first perspective; receiving a second dataset indicating a second surrounding with a second perspective; and generating a composite dataset from the first and second datasets. The method additionally includes identifying an obstacle using the composite dataset.

Systems and methods for coordinating device actions

A control method for a mobile platform includes obtaining a captured image, determining a target first characteristic part of a target object from the captured image, determining a second characteristic part of the target object in the captured image, and switching from tracking the second characteristic part to tracking the target first characteristic part in response to a tracking parameter of the target object meeting a preset tracking condition.

Control method and device for mobile platform, and computer readable storage medium

A method of tracking a movement of a target by an unmanned aerial vehicle (UAV), the method includes receiving, from a mobile terminal collocating with the target, absolute location coordinate data of the target, acquiring, by a camera of the UAV, image data of the target, determining, based on the absolute location coordinate data and the image data of the target, 3D location coordinate data of the target with respect to the UAV, and controlling, based on the 3D location coordinate data of the target with respect to the UAV, at least one of a direction or a speed of the movement of the UAV, to maintain a constant relative 3D position of the UAV with respect to the target.

System and method for tracking targets

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.

A control method includes acquiring motion information of a tracked object, and based on the motion information, controlling movement of a carrying device that carries a tracking device to enable the tracking device to track the tracked object while maintaining approximately unchanged an angle between a moving direction of the tracked object and a line connecting the tracked object and the tracking device when the tracked object moves.

Control method, control device, and carrier system

A movable object for responding to an object includes a first passive infrared sensor having a first detection range and a first field of view, and one or more second passive infrared sensors each having a second detection range and a second field of view. The second detection range is longer than the first detection range and the second field of view is smaller than the first field of view. The movable object further includes one or more processors configured to recognize the object based on one or more heat signals received from at least one of the first passive infrared sensor or the one or more second passive infrared sensors, and perform a flight response measure to control the movable object based on the recognized object.

A computer-implemented method for controlling an unmanned aerial vehicle (UAV) includes identifying a set of target markers based on a plurality of images captured by an imaging device carried by the UAV. The set of target markers includes at least two or more types of target markers that are in close proximity to be detected within a same field of view of the imaging device. The method further includes determining a spatial relationship between the UAV and the set of target markers based at least in part on the plurality of images, and controlling the UAV to approach the set of target markers based at least in part on the spatial relationship while controlling the imaging device to track the set of target markers such that the set of target markers remains within the same field of view of the imaging device.

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Shenzhen, China

Cong Zhao