Method, apparatus and system for recognizing magnetic ink character
AssigneeShandong New Beiyang Information Technology Co., Ltd.
InventorsPeng Tao, Qiangzi Cong, Chuntao Wang, Tianxin Jiang, Yueqi Xing
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Abstract
Disclosed are a magnetic ink character recognition method, apparatus and system. The method includes: reading a magnetic signal of a magnetic ink character on a medium to be recognized; acquiring the amplitude characteristic data of the magnetic ink character according to the magnetic signal thereof; and performing spectral angle cosine match processing on the amplitude characteristic data of the magnetic ink character to obtain the recognition result of the magnetic ink character. The present method can reduce the stability requirements on the magnetic signal and improve the recognition rate of the magnetic signal.
Claims17
A magnetic ink character recognition method, comprising:
- reading a magnetic signal of a magnetic ink character on a medium to be recognized;
- acquiring amplitude characteristic data of the magnetic ink character according to the magnetic signal of the magnetic ink character;
- and
- performing spectral angle cosine match processing on the amplitude characteristic data of the magnetic ink character to obtain a recognition result of the magnetic ink character, wherein the step of performing spectral angle cosine match processing on the amplitude characteristic data of the magnetic ink character comprises performing spectral angle cosine match processing on the amplitude characteristic data of the magnetic ink character and the amplitude characteristic data of each magnetic ink character in a template library.
A magnetic ink character recognition apparatus, comprising:
- a magnetic ink character reading mechanism for reading a magnetic signal of a magnetic ink character on a medium to be recognized;
- an acquisition module for acquiring amplitude characteristic data of the magnetic ink character according to the magnetic signal of the magnetic ink character;
- and
- a match processing module for performing spectral angle cosine match processing on amplitude characteristic data of a magnetic ink character to obtain the recognition result of the magnetic ink character, wherein performing spectral angle cosine match processing on the amplitude characteristic data of the magnetic ink character comprises:
- performing spectral angle cosine match processing on the amplitude characteristic data of the magnetic ink character and the amplitude characteristic data of each magnetic ink character in a template library.
A magnetic ink character recognition system, comprising:
- a magnetic ink character reader providing a time domain signal of a magnetic ink character;
- and
- a computer system connected to the magnetic ink character reader for acquiring the amplitude characteristic data of the magnetic ink character according to the frequency domain signal obtained according to the time domain signal of the magnetic ink character, performing spectral angle cosine match processing on the amplitude characteristic data of the magnetic ink character, generating and outputting the recognition result of the magnetic ink character, wherein performing spectral angle cosine match processing on the amplitude characteristic data of the magnetic ink character comprises:
- performing spectral angle cosine match processing on the amplitude characteristic data of the magnetic ink character and the amplitude characteristic data of each magnetic ink character in a template library.
Dependencies are inferred from the claim text.