MSCT图像后处理技术在法医学中的应用与展望OA

In recent years,with the rapid development of forensic virtual anatomy technology,MSCT(multi-slice computed tomography)has gradually become an important auxiliary means of forensic examination.Concurrently,MSCT image post-processing technology has also gained widespread application in forensic pathology,clinical forensic medicine,and forensic anthropology.Image post-processing technology can transform digital images into more understandable and valuable information that is easier to comprehend and apply.It can also enable the accurate measurement of the length,angle,volume,area,CT values,and other parameters of the target part,which provides technical support for the evolution of expertise from an empirical discipline based on subjective experience to digital medicine based on objective data.Because MSCT image post-processing technologies are diverse,forensic personnel need to understand their advantages and disadvantages.They should then choose the most suitable method to achieve the best results.Practice has shown that,depending on the different observation objectives,selecting the most appropriate post-processing technology can display the target image more comprehensively and objectively.This can help to reduce missed diagnoses and misdiagnoses,thereby improving the detection and accuracy rates.In this paper,the existing image post-processing techniques are summarized,and the advantages,disadvantages and current application situations of MPR(multi-planar reconstruction),VR(volume rendering),CPR(curved planar reconstruction),SSD(shaded surface display),and MIP(maximum intensity projection)are introduced to provide technical references for related work.In daily work,MPR and VR are most frequently used.MPR is highly authentic,VR has a high data utilization,and both most closely conform to visual effects.The other post-processing techniques also have their own advantages,and it is recommended to select and use them in combination according to the characteristics of the target part.Although image post-processing technology has many advantages,it also has some limitations.Its detection rate for soft tissue injuries and hemorrhages is slightly weak,so sometimes it needs to be combined with MRI examinations or autopsies.