34results about How to "Solve data redundancy" patented technology

The invention provides a shared parallel data reading-writing apparatus of multi memories among multi controllers, and a reading-writing method of the same. The shared parallel data reading-writing apparatus of multi memories among multi controllers includes a plurality of processor units and a plurality of storage units, wherein each storage unit is corresponding to each arbitration unit; each processor unit is corresponding to an address partition unit and a read data acquisition unit; aiming at the situation that the plurality of processor units access one storage unit at the same time, the arbitration unit can be used for carrying out arbitration management on a data operation request; and only the data operation request satisfying the preset conditions is selected; and the corresponding storage unit is used to execute data operation. As the processor units can directly access the storage units according to the addresses distributed by the address partition units, higher bandwidth can be provided; the operating performance of the processors can be satisfied; and the data access efficiency is greatly improved. Besides, the data exchange redundancy problem among the plurality of processors can be solved, so that the shared parallel data reading-writing apparatus of multi memories among multi controllers has wide market prospect in the integrated circuit field.

The present application discloses a method and a device for quickly making a heat treatment temperature polar coordinate diagram in the field of heat treatment data recording. In this method, the corexy mechanism is used to realize the movement of the fiber pen in the xy plane, so that the temperature curve is drawn on the polar coordinate paper for recording the temperature. The specific movement amount is calculated according to the corresponding post-processing algorithm according to the required temperature curve. The post-processing algorithm relies on the calibration of the coordinate paper and the platform device we designed to assist the drawing of the corexy mechanism. The platform device includes a supporting part for the corexy mechanism, a positioning element for the coordinate paper and a position marking part. The drawing method and device provided by the invention can quickly draw the polar coordinate temperature curve of heat treatment, and the pen tool used is a fiber pen, which has high fidelity and accuracy.

The embodiment of the invention discloses an alarm video processing method and device, equipment and a storage medium. The method comprises the steps that when an alarm signal is received, determininga monitoring time period corresponding to the alarm signal according to alarm information of the alarm signal; and acquiring video data in the monitoring time period in monitoring equipment corresponding to the alarm signal, and generating an alarm video. According to the embodiment of the invention, the monitoring time period is determined according to the alarm information of the alarm signal,and the video in the monitoring time period in the monitoring equipment is used as the alarm video, thereby solving a problem that the alarm video data is long, avoiding the waste of server resources,improving the pertinence of the alarm video, and improving the subsequent processing efficiency of the alarm video data and alarm conditions.

The present invention is a RGB-D target recognition method based on quaternion generalized discriminant analysis, including RGB-D image representation mode based on quaternion, definition of quaternion generalized discriminant analysis, two-way quadruple based on average row and average column A generalized discriminant analysis recognition method for quaternions; among them, the quaternion-based RGB‑D image representation method solves the data redundancy and additional calculations that exist in the existing quaternion color image representation method when using four-dimensional quaternions to represent three-dimensional color images For the problem of insufficient overhead, the kernel function is introduced into the field of quaternion subspace analysis, and the generalized discriminant analysis of quaternion is defined, which solves the problem that the existing quaternion subspace analysis algorithm has an unsatisfactory effect on quaternion nonlinear signal processing, and finally Through the bidirectional quaternion generalized discriminant analysis recognition method based on the average row and average column, the problem of excessive computational complexity of the quaternion kernel matrix eigendecomposition in the RGB-D recognition process is eliminated, and the target recognition method is improved. recognition effect.

The invention discloses a sweep frequency device and a method. The sweep frequency device and the method are used for solving the problems of too much sweep frequency data and data redundancy to improve sweep frequency speed and processing efficiency of the sweep frequency data. The sweep frequency device comprises a radio frequency processing module, a screening module and a signal processing module. The radio frequency processing module is used for receiving wireless radio-frequency signals of each frequency point according to a configured frequency point list, and converting the received wireless radio-frequency signals to base band digital carrier signals and then outputting the base band digital carrier signals. The screening signals is used for measuring signal strength of each received base band digital carrier signal, and screening out a set number of base band digital carrier signals with the highest signal strength and storing the base band digital carrier signals in a storage module. The signal processing module is used for conducting corresponding signal processing on the base band digital carrier signal stored in the storage module according to a configured sweep frequency parameter, and reporting obtained sweep frequency data to a data collecting system through a port module.

The invention provides a streaming media on-demand method and a streaming media on-demand system. The method includes that when any streaming media server in a streaming media server cluster receives a streaming media demand request from a terminal, the any streaming media server sends the streaming media demand request to a distributed storage device; the distributed storage device selects a target storage server from a distributed storage server cluster and sends the streaming media demand request to the target storage server; the target storage server acquires target data according to an index number in the streaming media demand request and sends the target data to the any streaming media server; the any streaming media server performs preset processing operation on the target data according to a preset streaming media protocol and distributes streamed data obtained after processing to the terminal. The streaming media on-demand method and the streaming media on-demand system have the advantages that data storage of the on-demand system is achieved, and video-on-demand localization is solved quite conveniently by combining distribution and deployment characteristics of distributed storage, so that user experience is improved.

The invention belongs to a technology of radio frequency identification and particularly relates to a multi-microcontroller radio frequency identification read-write device and a data transmission method thereof. The multi-microcontroller radio frequency identification read-write device comprises a radio frequency transceiving unit group, a microcontroller control unit group, a master micro controller control unit, a stabilized voltage power supply unit, a storage unit, a display unit, a reset unit, a programming unit and an upper computer interface unit. The data transmission method comprises the following steps: the micro controllers are initialized; radio frequency transceiving units send request transmission identifiers after receiving non-repetitive tag data, a passive mode of serial interface data transmission is started if effective chip selection exists; and the master micro controller unit is used for setting data transmission priority according to the request transmission identifiers, setting the chip selection of units corresponding to the highest priority to be low, starting an active mode of the serial interface data transmission, and setting corresponding chip selection to be high and regulating the data transmission priority after the data are uploaded according to an uploading mode. According to the multi-microcontroller radio frequency identification read-write device and the data transmission method, the reading efficiency of the read-write device is greatly improved, and the problem of a great amount of data redundancy in read-write systems is solved.