Methods Thirty-two mini-swine were randomized into 4 equal groups: Control Group, without any intervention; Group A~C, pretreated with aspirin-clopidogrel (A-C) combination (300 mg loading dose followed by 75 mg per day of clopidogrel and 10 mg·kg -1·d -1 of aspirin for 3 days), Group Tirofiban, given an intravenous infusion of tirofiban (15 μg/kg in intravenous bolus fol.

Aiming at extracting the image of diseased spots and calculating the feature parameters of diseased spots,the present paper studied the extracting method of soybean diseased spots,which used computer digital image processing and genetic algorithm.