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The Evaluation of Insertion and Deletion Polymorphism in Population and personal identification Amidst Chinese Populations

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Journal of Forensic Science and Medicine 2018年第3期4卷 115-121,I0001-I0003页

作者： Hui Sun Caiyong Yin Lei Shang Chong Wang Kaiyuan Su Wanshui Li Feng Chen Shilin Li Institute of Forensic Science Ministry of Public SecurityBeijing 100038 Department of Forensic Medicine Nanjing Medical UniversityNanjing210029 MOE Key Laboratory of Contemporary Anthropology Department of Anthropology and Human GeneticsSchool of Life SciencesFudan UniversityShanghai200438 Fudan-Taizhou Institute of Health Sciences Jiangsu225300China

For comprehensive understanding of practical application and evaluation on the power of30 commonly used InDeis(Qiagen Investigator DIPplex®kit),we captured population data from 25 Chinese populations and employed F-statistics for population genetics *** results indicated that the distributions of allelic frequencies among populations were in different ***,the phylogeny confoiming pairwise FST distances showed that the difierentiation of majority populations were consistent with their geographic locations and historic *** conduct the comprehensive correlation analysis between FST and heterozygosity of30 InDel loci and provided strong evidence for ongoing InDei loci *** Fst values of 30 InDels were calculated within 25 Chinese populations,and then,these loci were characterized definitely based on their roles in population genetics or individual *** indicated that 17 InDels with FSTidentification(total discrimination power=0.999985 and cumulative matching probability=0.00000009).We comprehensively reconstructed the population structure and filled the gap of evaluating the ability of InDels in personal as well as population *** application of InDel loci in the forensic area would convincingly promote the development matter of forensic population identification and personal discrimination.

关键词： Chinese populations insertion and deletion personal identification population identification Qiagen investigator dipplex®kit

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Forensic Analysis of Sexual Dimorphism from Facial Photographs

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Journal of Forensic Science and Medicine 2024年第3期10卷 196-208页

作者： Prachi Panwar Tina Sharma Archana Gautam Mahipal Singh Sankhla Department of Forensic Science University Institute of Allied Health SciencesChandigarh UniversityMohaliPunjabIndia University Centre for Research and Development Chandigarh UniversityMohaliPunjabIndia

Background:Techniques for identifying facial features and proving the individuality of a person’s facial features are used in forensic *** and Objectives:Acommon method in this area is cranial anthropometry,which has uses in facial reconstruction,locating unidentified remains,and identifying criminal *** and Methods:A study analyzed 200 standard full-face photographs of 50 males and 50 females to compare frontal and lateral facial images and identify male and female facial *** located landmarks and measured the distances between *** data were analyzed using statistical tests like t-tests and analysis of variance(ANOVA)***:The results showed that in 100%of the suggested measurements for both males and females,there were no statistically significant differences(P>0.05)between frontal and lateral *** ANOVA test,however,showed that all suggested measurements showed differences in the lateral aspect,while only 76.92%of them showed differences between the male and female groups in the frontal ***:In conclusion,statistically significant differences were found,rejecting the null hypothesis of equal means,when the level of significance(α)was lower than the P value(0.05).On the other hand,the null hypothesis was accepted when statistically insignificant differences were found and the level of significance was higher than the P *** there were differences between males and females in different views,the distances between landmarks in frontal and lateral views of the same person were generally *** taken in the lateral aspect were more accurate and displayed greater sexual dimorphism variation compared to those taken in the frontal aspect.

关键词： Anthropometry craniofacial facial feature landmarks personal identification somatic measurements

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Key Technology Research for Mobile Police Terminal Fingerprint Collection for Quick Comparison Using Automated Fingerprint identification System

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Journal of Forensic Science and Medicine 2019年第1期5卷 57-60页

作者： Shengjun Sun Yaomin Gu Lan Wang Ping Gu Yuankai Li Department of Shanghai Police Station Science and Technology Research Management CenterShanghaiP.R.China Department of Shanghai Police College ShanghaiP.R.China

When the face of the inspected person and the photograph on their identification(ID)card cannot be clearly matched,the individual is undocumented,or the ID is forged,it is often difficult for the on‑site police to respond in *** study proposes a number of key technologies for collecting fingerprints at mobile terminals for fast comparison using an automated fingerprint ID system(AFIS).These technologies ensure intelligent mobile fingerprint collection and allow the transmission of fingerprint information from the terminal to AFIS,over a wireless public security network for real‑time fingerprint *** study also analyzes the feasibility and effectiveness of the proposed technologies for system design and the applicability of fingerprint ID *** system achieved good results in a test by the Shanghai Public Security Bureau Criminal Investigation Corps.

关键词： Automated fingerprint identification system fingerprint intelligent mobile terminal personal identification public safety system structure

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