Decoding device and decoding method

Abstract

An embodiment of the invention relates to a decoding device and a decoding method. The device comprises a shell, an image acquisition sensor, a decoding processing device and a wireless module. An opening is arranged at the bottom end of the shell and a receiving part is arranged inside the shell. The image acquisition sensor is arranged in the receiving part and acquires an encoded pattern on encoded paper under the decoding device through the opening to generate an encoded pattern image signal. The decoding processing device is arranged in the receiving part, processes the encoded pattern image signal, determines a position mark in the encoded pattern and a matrix in which the position mark is located, determines a displacement value of the position mark in the matrix according to the position mark, and converts the displacement value into a binary number pair, wherein the binary number pair comprises a first number and a second number, the first number constitutes an x matrix of thematrix, and the second number constitutes a y matrix of the matrix; the curl of the x matrix and the curl of the y matrix are determined; the x matrix and y matrix are decoded respectively to obtainthe coordinate information of the position mark; the wireless module transmits the coordinate information of the position mark to an external receiving device.

Description

technical field [0001] The present invention relates to the technical field of information processing, in particular to a decoding device and a decoding method. Background technique [0002] With the rapid development of information technology, people are increasingly using computers to produce, process, exchange and disseminate various forms of information. Information technology is gradually changing people's living habits. The traditional way of writing with paper and pen cannot be processed by information technology, so it cannot meet people's needs. [0003] In the prior art, some type of information needs to be position-encoded and embedded in a passive substrate such as a sheet of paper, a tablet or equivalent. The information embedded locally in the substrate can be read, reconstructed and used with a scanner, fax machine, camera or digital pen. For example, human-readable graphical information on the substrate can be supplemented with embedded machine-readable in...

AI Technical Summary

Problems solved by technology

The traditional way of writing with paper and pen cannot be processed by information technology, so it cannot meet people's needs

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