指紋圖像采集及真?zhèn)舞b別技術(shù)研究

利用非接觸指紋圖像采集與生物電真?zhèn)沃讣y鑒別相結(jié)合的指紋圖像獲取技術(shù)，不僅解
決了全反射方法中存在的殘留指紋、手指的壓感、旋轉(zhuǎn)、采集頭的灰塵對(duì)圖像質(zhì)量產(chǎn)生影響等問(wèn)題，還解決了利用人造指紋等假指紋、截取他人手指等死指紋進(jìn)行違法犯罪活動(dòng)而無(wú)法有效鑒別等問(wèn)題。實(shí)驗(yàn)結(jié)果表明，該方法采集圖像清晰，并且可根據(jù)實(shí)際要求的嚴(yán)格程度，調(diào)節(jié)系統(tǒng)的拒判率和誤判率，可廣泛應(yīng)用于刑偵、金融等對(duì)安全有較高要求的領(lǐng)域。
關(guān)鍵詞：非接觸 指紋采集 生物電 真?zhèn)舞b別
Research on the technology of fingerprints image pickup And true-false distinguish Qin Wan-guang1 Yang Fan2 Liu Ya-jing2 Wang Zhong-li3 (1. College of science, Northeast DIANLI University Jilin; 132012; 2.Information Engineering College Hebei Institute of Technology TianJin 300130; 3. Beihua University. Jilin 132012) Abstract Based on the combination of non-touch fingerprints image pickup technology and bio-electricity fingerprints true-false distinguish test technology, we not only solve the problems such as residual fingerprints, finger pressure, rotation, and the dust on the pickup sensor which deteriorate the quality of image during full-reflection, but also settle the problems such as unable to distinguish the fingerprints due to using artificial fingerprints or dead fingerprints from other people to have illegal activities. The experiment result shows that this method can pick up clear image, and can adjust the system judgment rate and error rate according to requirement. This technology can be widely used in police and banking industries which have strictly high demand for safety.
Key Words Non-touch; Fingerprints pickup; Bio-electricity; True-false distinguish