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The paper mainly discusses the principle and method of using electronic flash lamp as the only source to generate vertical reflect polarized light in the criminal photography,By theoritical study and testing,optical-path transform eyrtem of an electronic flasher is designed to solve problems that when electronic flasher is directly used to photo some smooth non-metal subjects on the site of case,re-flecting beam of the surface will be so strong as to disturb strongly the photograph of offender and evi-dence... The paper mainly discusses the principle and method of using electronic flash lamp as the only source to generate vertical reflect polarized light in the criminal photography,By theoritical study and testing,optical-path transform eyrtem of an electronic flasher is designed to solve problems that when electronic flasher is directly used to photo some smooth non-metal subjects on the site of case,re-flecting beam of the surface will be so strong as to disturb strongly the photograph of offender and evi-dence and it is impossible to use electronic flasher directly as an optical source to photo the trace leaving over on the site of case by perpendicular reflecting light. 本文主要论述了直接利用电子闪光灯为光源，产生垂直反射偏振光的原理、方法及在刑事摄影中的应用。通过理论研究和试验，设计出了电子闪光灯光路变换系统，解决了直接利用电子闪光灯为光源的拍摄案件现场某些光滑非金属物体时，物体表面产生强烈反射光线或反射光带和对人犯摄影、物证摄影时的强烈阴影干扰，以及无法直接用以电子闪光灯为光源，对遗留在案件现场上的痕迹进行垂直反射摄影的困难。 The popularity and development of digital photo -taking technology have made the criminal photography more convenient ,but we should know about its advantages and disadvantages in order to make full use of this technology in the criminal photography. 数码影像技术的普及、发展,为刑事照相工作带来了极大的方便,要将数码影像技术应用于刑事照相活动中,就必须了解当前数码影像技术的优势与不足。 Photographing of fingerprints on smooth surfaces poses one of the most difficulties of criminal photography. Theappearance of digital photography provides new opportunities for solving this problem and the solution lies in angular pho-tographing and image correction afterwards. 拍摄各种光滑客体表面上的汗液手印,一直是刑事摄影的老大难问题之一。数字摄影的出现,为解决这一矛盾提供了新的契机。用数码偏角摄影加后期影像矫正是一种解决这一问题的有效方法。
criminal photography
刑事照相
On the Composition in Criminal Photography 论刑事照相中的取景构图 短句来源 The popularity and development of digital photo -taking technology have made the criminal photography more convenient ,but we should know about its advantages and disadvantages in order to make full use of this technology in the criminal photography. 数码影像技术的普及、发展,为刑事照相工作带来了极大的方便,要将数码影像技术应用于刑事照相活动中,就必须了解当前数码影像技术的优势与不足。 短句来源 “criminal photography”译为未确定词的双语例句
On Digital Photo-taking Technology in Criminal Photography 数码影像技术走进刑事照相的思考 短句来源 Thoughts on Digital Photographic Technique Applied in Criminal Photography 数码摄影技术应用于刑事照相的新思考 短句来源 Digital Photography in the Field of Criminal Photography 数码拍摄技术在刑事影像领域的影响 短句来源 相似匹配句对
On the Composition in Criminal Photography 论刑事照相中的取景构图 短句来源 The Applications of Digital Photography in Criminal Technology 数码照相在刑事技术中的应用 短句来源 On Criminal Object 论犯罪客体的科学定位 短句来源 On Architectural Photography 谈建筑摄影──兼析《建筑学报》第二届建筑摄影大赛获奖作品 短句来源 On Criminal Cost 犯罪成本研究 短句来源 
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