基本解釋[計算機科學(xué)技術(shù)]特征提取特征點提取英漢例句雙語例句A critical step is the fingerprint enhancement that affects the process of thinning and minutia extraction directly.其中圖像預(yù)處理中的圖像增強是最為關(guān)鍵的環(huán)節(jié)，直接影響著后面指紋圖像的細化特征提取等處理。A fast and effective minutia extraction algorithm based on the orientation field and the frequency field was designed.提出了一種基于場結(jié)構(gòu)的快速而有效的指紋圖像細節(jié)提取算法。Fingerprint identification includes fingerprint image capture, image pretreatment, minutia extraction, minutia matching, etc.指紋識別一般包括指紋采集、圖像預(yù)處理、特征提取及特征匹配等步驟。minutia extraction更多例句詞組短語短語minutia feature extraction 特征提取minutia extraction更多詞組專業(yè)釋義計算機科學(xué)技術(shù)特征提取Fingerprint minutia extraction.指紋特征提取算法的研究。特征點提取The experiment results show that the algorithm of minutia extraction and false minutia discarding of fingerprint based on 8 neighbor points encoding has the good effect to eliminate two kinds of minutia,twig point and forfication point.實驗結(jié)果表明,基于8鄰域編碼的指紋圖像特征點提取與去偽算法,對于末梢點和分叉點兩類特征點的提取與偽具有良好的效果。