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1问题的提出自从公安机关开展受理非刑事案件检验鉴定的工作以来,越来越多的经济纠纷案件向公安机关申请对有关证据进行检验鉴定,而此类经济案件绝大部分是需要对签名上的指印和捺印样本进行是否同一的鉴定。由此而产生一个技术上的问题:黑色的签名笔迹往往会与指印重叠在一起,遮盖了一部分的指印纹线,尤其是遮盖了一些关键的细节特征(如图1)。我们在实际工作中发现利用photoshop图象处理软件能较好地解决上述问题。
1 Issues raised Since the public security organs to carry out the work of non-criminal case to accept the inspection and identification, more and more cases of economic disputes to the public security organ to apply for the identification of evidence to test, and most of these economic cases require the signature Fingerprints and stamp samples for the same identification. As a result, a technical problem arises: black signature handwriting often overlaps fingerprints, covering part of the fingerprint lines, especially covering some of the key details (Figure 1). We found in the actual work using photoshop image processing software can better solve the above problems.