31results about How to "Simple coding rules" patented technology

The invention proposes a data fault-tolerant method based on dynamic block codes, which belongs to the technical field of data storage, and specifically relates to data fault-tolerant problems in a distributed storage system. The data fault-tolerant method based on dynamic block codes is used to restore lost or invalid data. Firstly, the data to be stored is stored in blocks according to the grouping of the disks in the distributed system. When the data storage of a stripe is complete, apply DLRC encoding to the data blocks on this stripe, generate a global check block and a local check block, and store them in the disk of the check block. When a data block is found to be invalid, read the data of the nodes participating in the reconstruction, use the DLRC code to perform reverse calculation, reconstruct the lost data and store it to the disk again. The invention realizes the dynamic balance of the storage cost, the fault tolerance capability and the reconstruction cost, and is applicable to the requirements of different storage systems. In the case of consuming the same storage space, DLRC coding has high fault tolerance and low reconstruction overhead, which has good practical value.

The invention provides a quantitative code Chinese character input method. When single Chinese characters are input, a four-factor-number coding mode is involved in the quantitative code Chinese character input method and the four-factor-number coding mode can be conducted on all Chinese characters; when the single Chinese characters or word groups are input, a brief-code input mode is further involved in the quantitative code Chinese character input method; when the word groups are input, a full-code input mode of the word groups is involved in the quantitative code Chinese character input method and full codes of all the word groups can be represented by five numbers. On the circumstance that Chinese character roots are not set and the Chinese characters are not separated, the Chinese characters and the word groups can be easily and conveniently converted into one to five numerical codes according to the quantitative code Chinese character input method. Tens of thousands of Chinese characters and hundreds of thousands of word groups can be input. No numerical code needs to be memorized. Numbers are input through ten number keys of a keypad of a computer so that the Chinese characters and the word groups can be obtained. The code repeating rate is low and the input speed is high.

The invention relates to method for inputting Chinese character in mixing mode of the simple characters with the complex characters by using the coding method based on the three parts in the shape code of the character. Since the difference between the simple from and the complex form is clear, thus, the mixed coding and mixed inputting are feasible. The well chosen part combinations are assisgned on the 26 letter keys. The character writing sequence is based on the principle 'first, connecting before intersection, then large part preferred'. The first, second and last parts are taken to code the character. The recognition code is added, if the character possesses the parts less than three. The invention provides the features of the even distribution of the key positions, the low repetition rate, the complete second grade simple code (676 each) and easy for coding.

The present invention discloses a kind of one-code two-form quick Chinese digital coding input method. In view of that every numeral of the digital keyboard can represent defined two stroke forms of Chinese characters the stroke form of every Chinese character can be coded according to the writing order of front-three and rear-one, every Chinese character can be coded by using four-digit code at most, and the works and expressions can be coded by using five-digital code, these stroke forms can be marked on the digital keyboard of computer, handset and special-made mouse to implement Chinese input operation.

The invention relates to the field of artificial intelligence and automatic control and discloses a two-dimensional matrix dot matrix based on a BCD (Binary-Coded Decimal) code for tracing of a wheelhub. The two-dimensional matrix dot matrix based on the code for tracing of the wheel hub comprises a direction code, a check code and a plurality of code text units, wherein the direction code is located at the upper left corner of the two-dimensional matrix dot matrix and is used for representing an identification direction of the code text units; the check code is located at the last bit of thetwo-dimensional matrix dot matrix and is used for detecting the correctness of the code text units or correcting error-reading code text units; the plurality of code text units are sequentially located on remaining positions of the two-dimensional matrix dot matrix and is used for representing tracing information of the wheel hub; and the code text units, the direction code and the check code arein a 2*2 dot matrix structure. The two-dimensional matrix dot matrix for tracing of the wheel hub is simple in structure and high in identifiability; the two-dimensional matrix dot matrix can be increased and decreased, adjusted and deformed according to actual demands and is suitable for engraving and detection demands of the code texts under various complicated conditions, the check code is provided, thus the two-dimensional matrix dot matrix has a certain error prevention and error correction capabilities.

The invention provides an encoding method of invisible image ciphers. The encoding method comprises the following steps that: a system receives a specified picture and an encryption request from a client end, and performs cell processing on the picture, and equally divides cells in an orderly way; CMYK four-color value calculation is performed on the equally-divided cells, so that a color value database of different numerical values can be formed; the cells are repeatedly extracted according to rules so as to be subjected to paired color value difference comparison, and comparison results are assigned with 1 or 0 based on preset rules, so that a brand new set of source value database with an internal logic basis can be formed; and information to be encrypted is stored in the source value database in a grouped manner. With the encoding method adopted, invisible code information of codes is invisible. The information of a traditional two-dimensional code is stored through a geometrical feature, and the geometrical feature is exposed to naked eyes apparently, and as a result, defects of high possibility of being cracked, copied and stolen of the traditional two-dimensional code exist, while, with the encoding method of the invention adopted, the defects can be eliminated. According to the encoding method, the specified information of the client end is adopted as a key to match comparison value parameters, and therefore, various kinds of situations can be provided, and people can be prevented from reversely recognizing and extracting information.