论文部分内容阅读
本文作者针对司法鉴定案件中部分文痕物证载体的不可移动性、不可复制性和不易复制性,采用拍照提取方法中常见的失真与变形现象,进行拍照提取方法的探讨。作者提出应当选用全画幅或者中画幅的高像素相机机身,配以传统的胶片相机镜头效果较佳。拍摄时应采用翻拍架、环形闪光灯、水泡水平仪等辅助器材,确保被摄载体的平面与相机CCD平面的平行拍摄。作者在实践中探索出采用双比例尺呈直角交叉或十字交叉放置,便于后续图片矫正时参照比例尺,从X、Y两个方向上进行矫正,尽可能还原原始物证图像的真实性。
In this paper, the authors focus on the immoveability, non-replicability and non-reproducibility of some trace evidence carriers in forensic cases, and discuss the methods of taking pictures by using the distortion and distortion commonly found in camera extraction methods. The author proposes that a full-frame or medium-format high-megapixel camera body should be used, which is better with a traditional film camera lens. Shooting should be used when shooting frame, flash flash, bubble level and other auxiliary equipment to ensure that the plane was photographed and the camera’s CCD plane parallel shooting. In practice, the author explores the use of dual-scale cross or right-angle cross placed cross-reference to facilitate the follow-up image reference scale, from X and Y directions for correction, as far as possible to restore the authenticity of the original card evidence.