Abstract: A method of coding implemented by a decoding device. The method includes receiving a bitstream from an encoding device, the bitstream containing a minimum block width and a minimum block height, partitioning a current block into sub-blocks until one of the sub-blocks reaches the minimum block width or the minimum block height, determining pixel values for the one of the sub-blocks that has reached the minimum block width or the minimum block height, and displaying, on a display of an electronic device, an image generated using the pixel values that were determined.

Abstract: A motor vehicle self-driving method comprises obtaining a first positioning mode and a first driving route; obtaining second vehicle information of a second motor vehicle, where the second vehicle information includes a second positioning mode and a second driving route; determining whether the first driving route overlaps with the second driving route; when the first driving route overlaps with the second driving route, comparing positioning precision of the first positioning mode with positioning precision of the second positioning mode; determining a positioning mode with higher positioning precision in the first positioning mode and the second positioning mode as a target positioning mode; determining a target driving parameter based on the target positioning mode; and controlling the first motor vehicle and the second motor vehicle to drive based on the target driving parameter.

Abstract: Embodiments of this application describe a motor vehicle self-driving method and a terminal device. The method may include obtaining, by a terminal device, vehicle external-environment data of a position of a motor vehicle and initial positioning precision of the motor vehicle. The method may also include determining, by the terminal device, a target driving parameter of the motor vehicle based on the vehicle external-environment data and the initial positioning precision. Furthermore, the method may include controlling, by the terminal device, the motor vehicle to drive based on the target driving parameter. In the embodiments of this application, the terminal device determines the target driving parameter of the motor vehicle based on the vehicle external-environment data and the initial positioning precision. In this way, the target driving parameter varies with the vehicle external-environment data, and further matches an external environment, thereby improving self-driving safety of the motor vehicle.

Abstract: A mechanism of video coding is provided. The mechanism includes generating a reconstructed image from an encoded video stream. The reconstructed image is filtered to create a filtered image. The filtering includes applying a noise suppression filter to the reconstructed image. The noise suppression filter may be applied immediately prior to applying a deblocking filter to the reconstructed image, between a deblocking filter and a sample adaptive offset (SAO) filter, between the SAO filter and an adaptive loop filter, or after the adaptive loop filter. The filtered image is then stored in a picture buffer in memory for use in encoding or for output to a display in decoding.

Abstract: A mechanism of video coding is provided. The mechanism includes generating a reconstructed video frame. Noise suppression filter parameters are determined by partitioning the reconstructed video frame into blocks and matching the blocks to create patches. The noise suppression filter parameters are then determined based on the patches by creating a transformed matrix of patch frequencies. The noise suppression filter parameters include a noise estimation parameter that is a function of patch frequency. The noise suppression filter parameters are then employed to apply a noise suppression filter to the reconstructed video frame.

Abstract: Embodiments of this application provide a bullet screen display method and an electronic device, and relate to the field of multimedia technologies, to resolve a prior-art problem that bullet screen content causes interference to a user, thereby improving user experience. The method includes: determining an object display area based on a target display object in a display image, where the target display object is located in the object display area; determining a bullet screen display area based on the object display area, where the bullet screen display area and the object display area have no intersection; and displaying bullet screen content in the bullet screen display area.

Abstract: A user permission allocation method includes acquiring currently collected facial feature information of a user; determining a difference degree of the current facial feature information of the user according to the acquired facial feature information of the user and facial feature information included in stored standard sample information; and allocating a user permission to the user according to the determined difference degree. Compared with a manner of using a fixed face threshold, a difference degree of current facial feature information of the user is determined, and when a user permission is allocated to the user, an external factor that affects the collected facial feature information is used as a reference factor.

Abstract: Embodiments of the present invention relate to the communications field, and disclose a preview-image display method and a terminal device. obtain, by a terminal device, a first preview image during photographing, where the first preview image is a preview image that is of a current photographing screen and that is in a first photographing mode; determine a second photographing mode; obtain a second preview image, where the second preview image is a preview image that is of the current photographing screen and that is in the second photographing mode; determine a first part of the first preview image and a second part of the second preview image according to a preset rule; and display the first part of the first preview image and the second part of the second preview image in a preview area.

Abstract: A wearable electronic device includes a sensor module, a processor, a display controller, and a display, where the sensor is configured to: collect data, generate a sensor signal that represents a feature of data of currently collected data, and send the sensor signal to the processor, the processor is configured to: determine, according to the received sensor signal, a manner to display that is corresponding to the feature of data represented by the sensor signal and is of the display, generate a display control signal, and send the display control signal to the display controller, and the display controller is configured to control, according to the display control signal, the display to display.

Abstract: A user permission allocation method includes acquiring currently collected facial feature information of a user; determining a difference degree of the current facial feature information of the user according to the acquired facial feature information of the user and facial feature information included in stored standard sample information; and allocating a user permission to the user according to the determined difference degree. Compared with a manner of using a fixed face threshold, a difference degree of current facial feature information of the user is determined, and when a user permission is allocated to the user, an external factor that affects the collected facial feature information is used as a reference factor, which means that a higher difference degree of the collected facial feature information indicates a lower user permission allocated to the user, so that the user permission of the user is dynamically allocated.

Abstract: Embodiments of the present invention provide a human-machine interaction method, including: detecting and collecting, by a robot, sensing information of a companion object of a target object and emotion information of the target object that is obtained when the target object interacts with the companion object; extracting, by the robot, an emotion feature quantity based on the emotion information, determining, based on the emotion feature quantity, an emotional pattern used by the target object to interact with the companion object, determining, based on the emotional pattern, a degree of interest of the target object in the companion object, extracting behavioral data of the companion object from the sensing information based on the degree of interest, and screening the behavioral data to obtain simulated object data; and simulating, by the robot, the companion object based on the simulated object data.

Abstract: Embodiments of the present invention disclose a method and an apparatus for acquiring a video bitstream, and relate to the field of information technologies, which can improve network bandwidth utilization. The method includes: firstly, acquiring, by a terminal, a minimum bit rate corresponding to a parameter of the terminal; then, sending, by the terminal, a video bitstream acquiring request to a server, and when receiving the video bitstream acquiring request sent by the terminal, sending, by the server, an MPD to the terminal; and finally, receiving, by the terminal, the MPD sent by the server, and acquiring a video bitstream according to the MPD and the minimum bit rate. The embodiments of the present invention are applicable to a case in which a user downloads video data by using a terminal.

Abstract: The present invention discloses a wearable electronic device and a display method thereof, and the wearable electronic device includes a sensor module, a processor, a display controller, and a display, where the sensor is configured to: collect data, generate a sensor signal that represents a feature of data of currently collected data, and send the sensor signal to the processor; the processor is configured to: determine, according to the received sensor signal, a manner to display that is corresponding to the feature of data represented by the sensor signal and is of the display, generate a display control signal, and send the display control signal to the display controller; and the display controller is configured to control, according to the display control signal, the display to display.

Abstract: Example video data processing methods and apparatus are disclosed. One example method includes obtaining viewport information by a server. The server obtains spatial object information based on the viewport information, where the spatial object information is used to describe a specified spatial object in panoramic space. The server obtains a first bitstream that is obtained by encoding image data in the specified spatial object. The server obtains a second bitstream that is obtained by encoding image data in the panoramic space. The server transmits the first bitstream and the second bitstream to a client.

Abstract: An image processing method and apparatus. The image processing method includes: obtaining encoded data of a first region and a neighboring region neighboring to the first region in a two-dimensional planar image, where the two-dimensional planar image is an image obtained by mapping a spherical panorama image, and the first region and the neighboring region have an overlapping region; determining a pixel value of a pixel in an image of the first region; determining a pixel value of a pixel in an image of the neighboring region; and determining a target pixel value of a pixel in the overlapping region based on the pixel value of the pixel of the first region in the overlapping region and the pixel value of the pixel of the neighboring region in the overlapping region.

Abstract: A method of coding implemented by a decoding device. The method includes determining, by the decoding device, a prediction direction for a current block; calculating, by the decoding device, an interpolated bottom right pixel; calculating, by the decoding device, interpolated bottom boundary pixels and interpolated right boundary pixels based on the interpolated bottom right pixel; predicting, by the decoding device, a pixel in the current block using a weighted average of two boundary pixels along the prediction direction, the two boundary pixels including at least one of the interpolated bottom boundary pixels or one of the interpolated right boundary pixels; and displaying, on a display of an electronic device, an image generated using the pixel that was predicted.

Abstract: A method of coding implemented by a decoding device. The method includes receiving a bitstream from an encoding device, the bitstream containing a minimum block width and a minimum block height, partitioning a current block into sub-blocks until one of the sub-blocks reaches the minimum block width or the minimum block height, determining pixel values for the one of the sub-blocks that has reached the minimum block width or the minimum block height, and displaying, on a display of an electronic device, an image generated using the pixel values that were determined.

Abstract: A mechanism of video coding is provided. The mechanism includes generating a reconstructed video frame. Noise suppression filter parameters are determined by partitioning the reconstructed video frame into blocks and matching the blocks to create patches. The noise suppression filter parameters are then determined based on the patches by creating a transformed matrix of patch frequencies. The noise suppression filter parameters include a noise estimation parameter that is a function of patch frequency. The noise suppression filter parameters are then employed to apply a noise suppression filter to the reconstructed video frame.

Abstract: A method of coding implemented by a decoding device. The method includes receiving a bitstream from an encoding device, parsing the bitstream to determine whether a directional prediction mode or a non-directional prediction mode is signaled, using non-directional intra prediction to generate an image when the non-directional prediction mode is signaled, parsing a distance-weighted directional intra prediction (DWDIP) flag from the bitstream when the directional prediction mode is signaled to determine whether the DWDIP flag has a first value or a second value, using distance-weighted directional intra prediction to generate the image when the DWDIP flag has the first value, using directional intra prediction to generate the image when the DWDIP flag has the second value, and displaying, on a display of an electronic device, the image generated.

Abstract: A mechanism of video coding is provided. The mechanism includes determining a motion vector predictor (MVP), a horizontal motion vector difference component (MVDx), and a vertical motion vector difference component (MVDy) associated with a motion vector (MV). A horizontal MV resolution (MVR) and a vertical MVR are also determined for the MV. A horizontal component of the MVP is rounded to a precision specified by the horizontal MVR and a vertical component of the MVP is rounded to a precision specified by the vertical MVR. The MV is determined based on the MVP, the MVDx, and the MVDy. The MV is then employed to position a current block in a current frame relative to a reference block in a reference frame. A video stream including the current frame is generated for display on a screen.