Abstract:
This application provides an image processing apparatus and method. The apparatus includes: a first processing unit, configured to obtain a first stitched image based on a first image and a second image; and a sending unit, configured to send the first stitched image, where a quantity of row pixels of the first image is M, and a quantity of column pixels is N; a quantity of row pixels of the second image is P, a quantity of column pixels is Q, and Q≥M; and a quantity of row pixels of the first stitched image is N+P, and a quantity of column pixels is Q. The first stitched image includes the second image and a third image. The third image is an image obtained through first preprocessing of the first image. The first preprocessing includes rotating the first image, or the first preprocessing includes rotating and padding the first image.
Abstract:
This application discloses an information transmission method and apparatus, to resolve a problem of a high delay and high jitter of information caused by the fact that a data frame with a high priority or the like cannot be scheduled and transmitted in time. The method includes: sending NI first data packets in a first data frame; and when a first condition is met, sending M second data packets in a second data frame before N2 first data packets in the first data frame are sent. The first condition includes that a priority of the second data frame is higher than a priority of the first data frame. The first data frame includes the N1 first data packets and the N2 first data packets, and N1, N2, and M are positive integers.
Abstract:
Embodiments of this application disclose a data transmission method and a communications apparatus. A method in an embodiment includes: sending, by a network device, first data to a terminal in a first subframe through a first channel, where the first channel is a channel occupied in a channel system by a service between the network device and the terminal; performing, by the network device, channel listening on a channel that is not occupied in the channel system by the service; and when there is a second channel in an idle state, sending, by the network device, second data of the service to the terminal in a second subframe through the first channel and the second channel, where the second subframe is after the first subframe. The service includes the first data and the second data, and a data frame of the service includes the first subframe and the second subframe.
Abstract:
Embodiments of this application disclose a data processing method, which can be applied to a clock synchronization network system. The system can correct, based on a clock frequency error or a time error, a data timestamp of a data packet collected by the system in a time period in which there is no reference clock, so that a corrected system time of the data packet is consistent with a reference time. This improves accuracy of data record.
Abstract:
The present disclosure relates to clock switching methods, devices, and storage medium. In one example method, a slave clock device may monitor a working status of a master clock device, and sends first indication information when discovering that the master clock device is in a faulty state, so that a communications device synchronizes with a system clock of the communications device based on time information of the slave clock device.
Abstract:
Embodiments of the present invention disclose a method and an apparatus for retrieving transmission opportunity control in reverse direction grant, so that a conflict occurring between a case where an RD Initiator continues sending another frame to an RD Responder after retrieving TXOP control and a case where a terminal other than the RD Initiator sends a block acknowledgement to the RD Responder can be avoided. The method provided in the embodiments of the present invention includes: when an RD Initiator fails to correctly demodulate a frame sent by an RD Responder, retrieving, by the RD Initiator, TXOP control by using a PIFS if it is impossible for the RD Responder to enable an MU-MIMO mode, and retrieving, by the RD Initiator, the TXOP control by using a duration if it is possible for the RD Responder to enable the MU-MIMO mode, where the duration is longer than the PIFS.
Abstract:
This disclosure discloses image transmission methods and apparatuses. In an implementation, a method performed by an apparatus includes generating a first data packet, wherein the first data packet comprises a portion of content of a frame of an image and first information indicating frame synchronization and line synchronization and sending the first data packet to a second communications apparatus.
Abstract:
This application provides a message processing method and apparatus, a device, and a storage medium. For a communication system including at least three network devices, a port status of one of the at least three network devices is a master state, and port statuses of the other network devices are non-master states. A first network device in the communication system receives, through a first port, a first message sent by a second port and used to measure a delay, where the second port is a port of a second network device in the communication system. The first network device skips replying with a second message based on a port status of the first port being a non-master state, to prevent a 1588 function from being disabled because the second port receives a plurality of second messages.
Abstract:
A data transmission method according to an I2C protocol and a transmission apparatus includes: a first transmission chip obtains I2C data from a first device, wherein the I2C data is data sent by the first device to a second device. The first transmission chip sends first feedback information to the first device, wherein the first feedback information is used to indicate whether the I2C data is successfully received. The first transmission chip forwards the I2C data to a second transmission chip corresponding to the second device. The first transmission chip receives second feedback information from the second transmission chip, and the second feedback information is used to indicate whether the I2C data is successfully received. The first transmission chip stores the second feedback information in a first storage space that is storage space of the first transmission chip.
Abstract:
Embodiments of the present invention disclose a method and an apparatus for retrieving transmission opportunity control in reverse direction grant. The method includes: obtaining, by a reverse direction responder (RD responder), a TXOP control from a reverse direction initiator (RD initiator); enabling, by the RD responder, a multi-user multiple-input multiple-output (MU-MIMO) mode; sending, by the RD responder, a frame to a plurality of stations concurrently in a TXOP period, the plurality of stations comprise the RD initiator; wherein the frame carries information that only requires the RD initiator to send back only a single acknowledgement in the TXOP period to return the TXOP control.