Abstract: Systems and methods for UAV safety are provided. An authentication system may be used to confirm UAV and/or user identity and provide secured communications between users and UAVs. The UAVs may operate in accordance with a set of flight regulations. The set of flight regulations may be associated with a geo-fencing device in the vicinity of the UAV.

Abstract: A system for controlling an unmanned aerial vehicle (UAV) includes smart glasses configured to establish a first channel directly with the UAV, receive first person view (FPV) image data directly from the UAV through the first channel, and display the FPV image data, a remote control configured to establish a second channel directly with the UAV and send a first flight control instruction corresponding to the FPV image data directly to the UAV through the second channel, and establish a fourth channel directly with the mobile terminal, and a mobile terminal configured to display the FPV image data received from the UAV and forwarded by the remote control.

Abstract: In embodiments of the present disclosure, there is provided an assertion-based question answering manner. After a question and the related passage are obtained, an assertion answer to the question is determined based on content of the passage, and the assertion answer has a predetermined structure and represents a complete semantic meaning. Then, the assertion answer to the question may be outputted to the user. In the embodiments of the present disclosure, the question and the relevant passage are used as input, and a semi-structured assertion answer is output. The assertion answer according to embodiments of the present disclosure can provide richer semantic content than the traditional short answer, and provide a more concise expression than the traditional long answer, thereby ensuring accuracy of the answer while improving the user experience.

Abstract: A system for controlling an unmanned aerial vehicle (UAV) includes smart glasses and a remote controller. The smart glasses are configured to establish a first channel directly with the UAV, receive first person view (FPV) image data directly from the UAV through the first channel, and display the FPV image data. The remote controller is configured to establish a second channel directly with the UAV, and send a flight control instruction directly to the UAV through the second channel.

Abstract: A system for tracking features of one or more applications is provided. The system is configured to: monitor the one or more applications, generating log data associated with the one or more applications and tracking progress data associated with features of the one or more applications; determine, from a scope of interest data, a set of applications from the one or more applications; determine, from the scope of interest data, roles for each application in the set of applications; extract user log data and/or user progress data associated with the set of applications based on the roles for each application in the set of applications; and provide, to a client device, the user progress data associated with the set of applications and the user log data associated with the set of applications for displaying on the client device.

Abstract: An unmanned aerial vehicle (UAV) includes a sensor configured to detect an indicator of a geo-fencing device; and a flight controller configured to generate one or more signals that cause the UAV to operate in accordance with a set of flight regulations that are generated based on the detected indicator of the geo-fencing device.

Abstract: A printing consumable and an ink cartridge are provided in various embodiments of the present disclosure. The printing consumable includes an ink container, detachably installed on an ink cartridge main body; and further includes a first memory, disposed on the ink container, where the first memory is capable of being accessed by a printer and stores ink amount data related to an ink status in the ink container. The printer is configured to rewrite the ink amount data during an ink consumption process, where when ink is substantially used up, the printer is configured to rewrite a part of the ink amount data; and the rewritten part of the ink amount data is configured to be at a non-rewritable protected state.

Abstract: A monitoring information broadcasting method includes determining a series of transmission sessions aligned to a system time of a mobile platform. Each transmission session includes a first time period and a second time period. The first time period includes a plurality of first time slices and the second time period includes a plurality of second time slices. The method further includes performing one of broadcasting a data packet of a first type during a first active slice among the first time slices in the first time period of one of the transmission sessions or broadcasting a data packet of a second type during a second active slice among the second time slices in the second time period of the one of the transmission sessions.

Abstract: A data transmitting method includes generating multiple channels of encoded data by encoding same data to be encoded according to a plurality of bit rates and selecting encoded data to be transmitted from the multiple channels of encoded data according to a channel bandwidth of a transmission channel. The encoded data to be transmitted is one of the multiple channels of encoded data that matches the channel bandwidth.

Abstract: A shading member includes a main body and a supporting component coupled to the main body. The supporting component is configured to change a light transmittance of the shading member under a voltage applied by an adjusting device for switching the shading member in two states. The two states include a transparent state and a shading state. The light transmittance of the shading member corresponds to an amount of external light that enters a wearable apparatus. The wearable apparatus operates in a virtual reality mode when the shading member operates in the shading state, and the wearable apparatus operates in an augmented reality mode when the shading member operates in the transparent mode.

Abstract: A system for tracking features of one or more applications is provided. The system is configured to: monitor the one or more applications, generating log data associated with the one or more applications and tracking progress data associated with features of the one or more applications; determine, from a scope of interest data, a set of applications from the one or more applications; determine, from the scope of interest data, roles for each application in the set of applications; extract user log data and/or user progress data associated with the set of applications based on the roles for each application in the set of applications; and provide, to a client device, the user progress data associated with the set of applications and the user log data associated with the set of applications for displaying on the client device.

Abstract: Systems and methods for UAV safety are provided. An authentication system may be used to confirm UAV and/or user identity and provide secured communications between users and UAVs. The UAVs may operate in accordance with a set of flight regulations. The set of flight regulations may be associated with a geo-fencing device in the vicinity of the UAV.

Abstract: A metal-ion battery includes: 1) an anode including a metal; 2) a cathode; and 3) an ionic liquid electrolyte disposed between the anode and the cathode, wherein the ionic liquid electrolyte corresponds to a mixture of a metal halide and an organic compound.

Abstract: A location of an unmanned aerial vehicle (UAV) is collected while the UAV is flying along a flight path. A communication signal distribution in a proximity of the location is determined. One or more relay locations for arranging one or more relays are determined based on the communication signal distribution to improve communication coverage along the flight path. An identification of the UAV is transmitted to an authentication center for authentication, without using the one or more relays, in response to determining, based on the communication signal distribution, that the UAV is capable of directly communicating with the authentication center or a communication network associated with the authentication center above a quality threshold.

Abstract: A method for establishing a data connection between a mobile terminal and a server includes sending a request for data connection to the server, generating a random password, transmitting the random password to the server for storing in the server, establishing the data connection between the mobile terminal and the server, and encrypting data to be transmitted through the communication connection using the random password.

Abstract: Systems and methods for UAV safety are provided. An authentication system may be used to confirm UAV and/or user identity and provide secured communications between users and UAVs. The UAVs may operate in accordance with a set of flight regulations. The set of flight regulations may be associated with a geo-fencing device in the vicinity of the UAV.

Abstract: The present invention provides for a composition comprising a heterostructure capable of electrochemical CO reduction to a carbon-carbon product, comprising an inorganic material and a porous molecule.

Abstract: An image processing method includes obtaining a current image frame. The image processing method also includes in response to feedback information, determining a reference image frame for coding the current image frame based on the feedback information. The feedback information is transmitted by a receiver based on a variable feedback time interval, and is configured to indicate a transmission status of an image frame transmitted by a transmitter to the receiver prior to the feedback information. The image processing method also includes coding the current image frame based on an inter-frame coding and the reference image frame to generate coded data. The image processing method further includes transmitting the coded data to the receiver.

Abstract: A wearable apparatus includes a first display screen having a first display plane, a second display screen having a second display plane, a first optical mirror including a first reflective surface facing the first display screen, a second optical mirror including a second reflective surface facing the second display screen, a first eyepiece arranged between the first display screen and the first optical mirror, and a second eyepiece arranged between the second display screen and the second optical mirror. An optical axis of the first eyepiece is approximately parallel to the first display plane. An optical axis of the second eyepiece is approximately parallel to the second display plane. The first reflective surface and the first display screen form a first predetermined angle. The second reflective surface and the second display screen form a second predetermined angle.

Abstract: A computer-implemented method includes receiving a feedback message from a receiver of image data. The feedback message includes a reference frame identifier associated with a reference frame correctly received or decoded by the receiver. The method further includes determining a difference between the reference frame identifier and a current frame identifier. The current frame identifier is associated with a current frame to be encoded and the difference indicates a number of frames between the reference frame and the current frame. The method also includes encoding the current frame based at least in part on the difference.