Abstract: Methods and systems are provided for cooling hot spots on a body coil assembly of an MRI system. In one embodiment, an airflow guide of a body coil assembly of an MRI system comprises a first surface that forms an air passage when the airflow guide is positioned on the body coil assembly, the air passage enclosed by the first surface and a second, outer surface of an RF coil of the body coil assembly, the airflow guide configured to channel cool air generated by a fan to the second, outer surface of the RF coil. The airflow guide may be arranged circumferentially around a portion of the RF coil at one or more ends of the RF coil. The airflow guide may be manufactured as a plurality of airflow guide segments that are glued together.

Abstract: A UAV includes an application processing circuit configured to process primary image data obtained by a primary imaging senor carried by a gimbal; a real-time sensing circuit configured to process, in a real time manner, secondary image data obtained by a secondary imaging sensor not carried by a gimbal; and a flight control circuit. The flight control circuit is configured to communicate, through a first communication channel, with the application processing circuit to receive the processed primary image data and use the processed primary image data to control the UAV to perform a first function; and communicate, through a second communication channel, with the real-time sensing circuit to receive the processed secondary image data and use the processed secondary image data to control the UAV to perform a second function. The second function is different from the first function. The second communication channel is independent from the first communication channel.

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: A gimbal rotation method includes controlling a driving assembly based on an angle command indicating a target angle to drive a gimbal to rotate to the target angle in a first time period having a pre-set length, determining whether a new angle command is received within the first time period, and, if not, estimating an estimated target angle based on gimbal rotation angles indicated by a plurality of previously-received angle commands and controlling the driving assembly to drive the gimbal to rotate from the target angle to the estimated target angle in a second time period having the pre-set length.

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: An unmanned aerial vehicle (UAV) includes one or more propulsion units that effect flight of the UAV, an application processing circuit configured to verify a validity of a system image of the UAV in a secure environment, and a flight control circuit operably coupled to the application processing circuit. Generation and/or transmission of control signals from the flight control circuit to one or more electronic speed controllers (ESC controllers) is prevented prior to verification of the validity of the system image.

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 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: An image transmission method includes obtaining multi-channel images shot by a plurality of shooting devices of an unmanned aerial vehicle (UAV) having different shooting directions, and broadcasting the multi-channel images obtained in real time to a plurality of ground-end devices synchronously.

Abstract: Various embodiments are generally directed to the providing for mutual authentication and secure distributed processing of multi-party data. In particular, an experiment may be submitted to include the distributed processing of private data owned by multiple distrustful entities. Private data providers may authorize the experiment and securely transfer the private data for processing by trusted computing nodes in a pool of trusted computing nodes.

Abstract: A control method includes controlling a rotorcraft to fly forward and, in response to receiving signal indicating a motion state of a body part of a user obtained and communicated by a wearable electronic device, performing a control operation according to the motion state. The control operation includes at least one of controlling a rotor motor of the rotorcraft to control a flight direction of the rotorcraft or controlling a rotation direction of a gimbal of the rotorcraft.

Abstract: A gimbal rotation method includes controlling a driving assembly based on an angle command indicating a target angle to drive a gimbal to rotate to the target angle in a first time period having a pre-set length, determining whether a new angle command is received within the first time period, and, if not, estimating an estimated target angle based on gimbal rotation angles indicated by a plurality of previously-received angle commands and controlling the driving assembly to drive the gimbal to rotate from the target angle to the estimated target angle in a second time period having the pre-set length.

Abstract: An image noise calibration apparatus includes a processor. The processor acquires raw image data output by an image sensor. The image sensor includes an image sensitive unit array, and the raw image data is output by the image sensitive unit array in an optical black state. The processor further determines fixed pattern noise calibration data of the image sensor based on the raw image data output by the image sensitive unit array. The fixed pattern noise calibration data is used for noise reduction of the image sensitive unit array, and the number of the fixed pattern noise calibration data is less than the number of image sensitive units in the image sensor.

Abstract: An image transmission device includes a first communication interface and a first processor. The first processor is configured to acquire a first image captured by a first photographing device, and a second image captured by a second photographing device, and perform image processing on the first image and the second image to obtain image-processed image data. The first photographing device and the second photographing device are mounted on a movable platform, and the first image and the second image are captured at a same time. The first communication interface is configured to send the image-processed image data to a monitoring device, so that the monitoring device determines the first image and the second image based on the image data, and displays the first image through a first display device and displays the second image through a second display device.

Abstract: The present disclosure provides a pair of video glasses. The video glasses include a body, and an application processor, a dual-screen driver chip, a first screen, and a second screen carried on the body. The application processor transmits an image to be displayed to the dual-screen driver chip; the dual-screen driver chip performs a dual-screen display processing on the received image to be displayed to obtain a first image to be displayed on the first screen and a second image to be displayed on the second screen, and transmits the first image to the first screen and the second image to the second screen; the first screen displays the first image; and, the second screen displays the second image.

Abstract: An image transmission method includes receiving region of interest (ROI) information sent by a display device, performing image processing on a captured image according to the ROI information to intercept a partial image indicated by the ROI information from the captured image, and sending the partial image to the display device.

Abstract: A method and head-mounted display glasses for controlling an unmanned aerial vehicle (UAV) are provided. A movable mark is displayed, and input information of a user is acquired. According to the input information, the movable mark is moved to control the UAV.

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: An unmanned aerial vehicle (UAV) includes one or more propulsion units that effect flight of the UAV, an application processing circuit configured to verify a validity of a system image of the UAV in a secure environment, and a flight control circuit operably coupled to the application processing circuit. Generation and/or transmission of control signals from the flight control circuit to one or more electronic speed controllers (ESC controllers) is prevented prior to verification of the validity of the system image.

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.