Zack Kowalske , David T. Snively , Abdulrahman Oleiwi , Graham Williams
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引用次数: 0
Abstract
This study compares the accuracy and precision of manual and computer-aided methods in bloodstain pattern analysis using equine blood under controlled conditions. Manual measurements by experienced analysts were compared to those obtained with FARO Zone 3D (FZ3D). Manual readings of single bloodstains showed higher variability and lower accuracy, while FZ3D improved angle calculations due to enhanced precision. Differences in determining the area of convergence and origin were minimal, but FZ3D offered greater workflow efficiency and data visualization. The findings highlight the need for independent validation of BPA methods and support integrating computer-aided techniques for more accurate, efficient forensic analyses.
本研究比较了人工方法和计算机辅助方法在控制条件下对马血进行血迹模式分析的准确性和精密度。由经验丰富的分析人员进行人工测量,与FARO Zone 3D (FZ3D)获得的结果进行比较。单个血迹的手动读数显示出更高的可变性和较低的精度,而FZ3D由于精度提高而改善了角度计算。在确定收敛区域和原点方面的差异很小,但FZ3D提供了更高的工作流程效率和数据可视化。这些发现强调了对双酚a方法进行独立验证的必要性,并支持将计算机辅助技术集成到更准确、更有效的法医分析中。