Abstract: An aerial imaging system for transferring pictures captured from two or more imaging devices includes an aerial node and a ground node. The aerial node has two or more channels, each for acquiring at least one picture from a corresponding imaging device. The aerial node is configured to transfer the acquired pictures. The ground node is configured to present the acquired pictures from the two or more imaging devices.

Abstract: A method for monitoring an unmanned aerial vehicle (UAV) includes a processor obtaining a datagram based on monitoring data for a UAV-detector communication between the UAV and one or more detectors. The monitoring data indicates at least one of a location of the UAV or a location of a control station in communication with the UAV. The method further includes determining a risk level by retrieving pre-stored risk information associated with the UAV based on the datagram.

Abstract: A method for monitoring an unmanned aerial vehicle (UAV) includes a processor generating a datagram based on monitoring data for a UAV-detector communication between the UAV and one or more detectors. The monitoring data indicates at least one of a location of the UAV or a location of a control station in communication with the UAV. The method further includes the processor encrypting working data for a UAV-control station communication between the UAV and the control station using an encryption key known to the control station but now known to the one or more detectors, and a transmitter transmitting the datagram along with encrypted working data. The datagram is to be received by the one or more detectors and the encrypted working data is to be received and deciphered by the control station using the encryption key.

Abstract: An aerial imaging system for transferring pictures captured from a plurality of imaging devices includes an aerial node. The aerial node has a plurality of channels for acquiring the pictures from the imaging devices and is configured to transfer the pictures.

Abstract: A method for data communication includes determining that a downlink receiver is not receiving downlink data from a movable object based on a state of the downlink receiver, generating first synchronization information in response to determining that the downlink receiver is not receiving the downlink data from the movable object, transmitting uplink data to the movable object, and generating second synchronization information in response to completion of uplink data transmission. The first synchronization information is provided to the downlink receiver to prevent operation of the downlink receiver, and the second synchronization information is provided to the downlink receiver to allow operation of the downlink receiver.

Abstract: Calculations are performed, based on a switching criterion, to select at least one of a direct communication link or an indirect communication link to transmit data between a movable object and a remote terminal. The data is transmitted using the at least one of the direct communication link or the indirect communication link selected based on the calculations. During at least a portion of a duration for the transmission of the data using the at least one of the direct communication link or the indirect communication link, backup data is transmitted using a backup communication link to ensure connectivity between the movable object and the remote terminal in event of interruption in the selected at least one of the direct communication link or the indirect communication link occurs. The backup data including at least a portion of the data transmitted between the movable object and the remote terminal.

Abstract: An image processing method includes obtaining a first YUV image captured by an on-board image acquisition device operating in a log mode, converting the first YUV image to a second YUV image having a same image format as an image captured by the on-board image acquisition device operating in a normal mode, and transmitting the second YUV image.

Abstract: A robot avoidance control method and a related device are provided. The method includes: when a robot receives a trigger of an external object, a position of the robot triggered by the external object is acquired; orientation information of the external object is determined according to the position of the robot triggered by the external object; an avoidance movement policy is determined according to the orientation information of the external object and a pre-acquired environment map of an environment where the robot is located, the avoidance movement policy being determined according to the orientation information and the environment map and being used to control the robot to move in the environment map to avoid an external object that comes from an orientation indicated by the orientation information and would generate a trigger on the robot; and a movement instruction is generated according to the avoidance movement policy, the movement instruction being used to control the robot to move.

Abstract: A display device includes a display area configured to display one or more images of a virtual reality (VR) environment or an augmented reality (AR) environment, one or more sensors configured to obtain region-of-interest (ROI) data of a user in response to the user wearing the display device and looking at the one or more images of the VR environment or the AR environment displayed on the display area, and one or more processors. The one or more processors are individually or collectively configured to select one or more ROI zones from a plurality of zones based on the ROI data and effect display of the one or more ROI zones on the display area to the user. The plurality of zones are used to divide the one or more images of the VR environment or the AR environment on the display area.

Abstract: Systems, method, and devices are provided for transmitting data. In one aspect, a method includes providing a plurality of communication modules, each of the plurality of communication modules configured to transmit data using a different communication method; establishing, with the plurality of communication modules, a plurality of simultaneous respective communication links to a remote terminal; selecting, based on a switching criterion, at least one of the plurality of simultaneous respective communication links to be used to transmit data; and transmitting data via said at least one of the plurality of simultaneous respective communication links selected based on the switching criterion.

Abstract: A method for wireless communication includes transferring uplink data to a movable object during a first time slot, measuring channel quality associated with one or more frequency channels during a second time slot to select a working frequency channel from the one or more frequency channels, and receiving downlink data from the remote terminal using the working frequency channel during a third time slot. The first, second, and third time slots do not overlap each other. The uplink data includes synchronization information for synchronizing data transmission with the movable object.

Abstract: A secure communication method comprising obtaining a secret code generated in response to a first communication device being paired with a second communication device, obtaining a prestored product key, generating a module key based on the secret code and the product key, randomly generating a session key, obtaining a key sequence number, auto-incrementing the key sequence number, setting a sending sequence number with an initial value of zero, generating a key frame by performing a computation on the session key and a verification authentication code of the session key using the module key, sending a data packet including the key frame, the key sequence number, the sending sequence number, and a data type to the second communication device. The data type indicates that the data packet is a key data packet.

Abstract: Systems and methods for supporting data communication in a heterogeneous environment, the method including receiving, by a first device, an identifier value from a second device that is associated with a software platform installed on the second device; identifying the software platform based on the identifier value; determining a device type of the second device based on the identified software platform; configuring the first device to be in a host mode or an accessory mode based on the determined device type of the second device; and establishing data communication between the first device and the second device via a communication interface associated with the determined device type of the second device.

Abstract: A method for monitoring an unmanned aerial vehicle (UAV) includes a processor generating a datagram based on monitoring data for a UAV-detector communication between the UAV and one or more detectors. The monitoring data indicates at least one of a location of the UAV or a location of a control station in communication with the UAV. The method further includes the processor encrypting working data for a UAV-control station communication between the UAV and the control station using an encryption key known to the control station but now known to the one or more detectors, and a transmitter transmitting the datagram along with encrypted working data. The datagram is to be received by the one or more detectors and the encrypted working data is to be received and deciphered by the control station using the encryption key.

Abstract: System and method can support data communication in a heterogeneous environment. The system can establish a connection between a first device and a second device, wherein the connection is based on a protocol, which associates a host mode or an accessory mode with one or more connected devices. Furthermore, a controller on the first device can determine a device type associated with the second device, and can configure the first device to be in either the host mode or the accessory mode, based on the determined device type associated with the second device, to handle data communication between the first device and the second device.

Abstract: An image encoding method includes: determining N P-frames from a sequence of images, N being a positive integer; for each P-frame, determining a source refreshing region in the P-frames, the source refreshing region being a portion less than a whole region of the P-frame; obtaining reconstructed images corresponding to the source refreshing regions by performing a first encoding on the source refreshing regions; obtaining updated P-frames by updating the source refreshing regions with the reconstructed images; and performing a second encoding on the updated P-frames.

Abstract: A wireless communication control method includes estimating a signal-to-interference-plus-noise ratio (SINR) of a current channel based upon historical SINR measurements, obtaining a transmission error rate of a current traffic, and determining a wireless communication control scheme based upon the SINR of the current channel and the transmission error rate.

Abstract: The present invention provides a method for monitoring an unmanned aerial vehicle (UAV). The method may comprise: generating, with aid of one or more processors, a datagram comprising monitoring data indicating at least one of: a location of the UAV or a location of a control station in communication with the UAV; and transmitting the datagram along with working data for communication between the UAV and the control station such that datagram can be received by the one or more detectors within a range of the UAV.

Abstract: A data transmission system includes a transmitting device and a receiving device connected by at least two broadcast channels. The transmitting device is configured to encode a data set to be transmitted, the encoded data set includes at least one data group, the at least one data group includes one or more data packets, and the at least two broadcast channels are configured to transmit the one or more data packets.

Abstract: An image encoding method includes: determining N P-frames from a sequence of images, N being a positive integer; for each P-frame, determining a source refreshing region in the P-frames, the source refreshing region being a portion less than a whole region of the P-frame; obtaining reconstructed images corresponding to the source refreshing regions by performing a first encoding on the source refreshing regions; obtaining updated P-frames by updating the source refreshing regions with the reconstructed images; and performing a second encoding on the updated P-frames.