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The quality of fingerprint pictures is the key to fingerprint identification, but in actual practice, the pictures we obtained often have all kinds of noise such as scars, perspiration, and stains, as well as some noise caused by uniform contact with fingerprint collecting devices. Based on work of predecessors, we propose a fingerprint identification pre-treatment algorithm in Matlab. Based on Matlab,...
Mine accidents occur frequently recently. The situation under mine is very complicated. So it is very difficult to rescue the miners when accident happens. If we can determine the accurate position of miners under mine, the casualty rate will be decreased greatly. So the positioning problem of miners is an urgent task during the coal mining processing. Many schemes are proposed, but ineffectively...
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