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When a latent shoeprint is discovered at a crime scene, forensic analysts inspect it for distinctive patterns of wear such as scratches and holes (known as accidentals) on the source shoe's sole. If its accidentals correspond to those of a…

Applications · Statistics 2020-02-28 Neil A. Spencer , Jared S. Murray

Shoeprints are a common type of evidence found at crime scenes and are used regularly in forensic investigations. However, existing methods cannot effectively employ deep learning techniques to match noisy and occluded crime-scene…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Samia Shafique , Shu Kong , Charless Fowlkes

We propose a machine learning pipeline for forensic shoeprint pattern matching that improves on the accuracy and generalisability of existing methods. We extract 2D coordinates from shoeprint scans using edge detection and align the two…

Image and Video Processing · Electrical Eng. & Systems 2024-05-27 Divij Jain , Saatvik Kher , Lena Liang , Yufeng Wu , Ashley Zheng , Xizhen Cai , Anna Plantinga , Elizabeth Upton

As an advanced research topic in forensics science, automatic shoe-print identification has been extensively studied in the last two decades, since shoe marks are the clues most frequently left in a crime scene. Hence, these impressions…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Imad Rida , Lunke Fei , Hugo Proença , Amine Nait-Ali , Abdenour Hadid

Footwear comparison is used to link between a suspect's shoe and a footprint found at a crime scene. Investigators compare the two items using randomly acquired characteristics (RACs), such as scratches or holes. However, to date, the…

Applications · Statistics 2020-09-03 Naomi Kaplan Damary , Micha Mandel , Yoram Yekutieli , Sarena Wiesner , Yaron Shor

We investigate the problem of automatically determining what type of shoe left an impression found at a crime scene. This recognition problem is made difficult by the variability in types of crime scene evidence (ranging from traces of dust…

Computer Vision and Pattern Recognition · Computer Science 2019-02-18 Bailey Kong , James Supancic , Deva Ramanan , Charless C. Fowlkes

Shoe tread impressions are one of the most common types of evidence left at crime scenes. However, the utility of such evidence is limited by the lack of databases of footwear prints that cover the large and growing number of distinct shoe…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Samia Shafique , Bailey Kong , Shu Kong , Charless C. Fowlkes

For more than a century, fingerprints have been used with considerable success to identify criminals or verify the identity of individuals. The categorical conclusion scheme used by fingerprint examiners, and more generally the inference…

Methodology · Statistics 2020-01-14 J. H. Hendricks , C. Neumann , C. P. Saunders

With continued advances in Geographic Information Systems and related computational technologies, statisticians are often required to analyze very large spatial datasets. This has generated substantial interest over the last decade, already…

Methodology · Statistics 2019-05-14 Lu Zhang , Abhirup Datta , Sudipto Banerjee

Forensic gait analysis can aid the investigation of crimes through comparing features of gait captured in video footage. Modelling the probative value of gait evidence requires an understanding of the variation of features of gait between…

Applications · Statistics 2026-05-06 Ruoyun Hui , Amy L Wilson , Colin Aitken , Ivan Birch , Nadia Asgeirsdottir , Graham Jackson

Footwear outsoles acquire characteristics unique to the individual wearing them over time. Forensic scientists largely rely on their skills and knowledge, gained through years of experience, to analyse such characteristics on a shoeprint.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Xavier Francis , Hamid Sharifzadeh , Angus Newton , Nilufar Baghaei , Soheil Varastehpour

One of the important evidence in a crime scene that is normally overlooked but very important evidence is shoe print as the criminal is normally unaware of the mask for this. In this paper we use image processing technique to process…

Computer Vision and Pattern Recognition · Computer Science 2016-09-08 S. Rathinavel , S. Arumugam

The persistent issue of wrongful convictions in the United States emphasizes the need for scrutiny and improvement of the criminal justice system. While statistical methods for the evaluation of forensic evidence, including glass,…

Applications · Statistics 2024-03-25 Xiangyu Xu , Giuseppe Vinci

Datasets are growing not just in size but in complexity, creating a demand for rich models and quantification of uncertainty. Bayesian methods are an excellent fit for this demand, but scaling Bayesian inference is a challenge. In response…

Machine Learning · Statistics 2016-03-23 Elaine Angelino , Matthew James Johnson , Ryan P. Adams

To determine the universality class of critical phenomena, we propose a method of statistical inference in the scaling analysis of critical phenomena. The method is based on Bayesian statistics, most specifically, the Gaussian process…

Statistical Mechanics · Physics 2011-11-21 Kenji Harada

Latent fingerprints are important for identifying criminal suspects. However, recognizing a latent fingerprint in a collection of reference fingerprints remains a challenge. Most, if not all, of existing methods would extract representation…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Yanming Zhu , Xuefei Yin , Xiuping Jia , Jiankun Hu

Forensic science often involves the comparison of crime-scene evidence to a known-source sample to determine if the evidence and the reference sample came from the same source. Even as forensic analysis tools become increasingly objective…

Applications · Statistics 2019-10-17 Amanda Luby , Anjali Mazumder , Brian Junker

Bayesian change-point detection, together with latent variable models, allows to perform segmentation over high-dimensional time-series. We assume that change-points lie on a lower-dimensional manifold where we aim to infer subsets of…

Machine Learning · Statistics 2020-11-04 Lorena Romero-Medrano , Pablo Moreno-Muñoz , Antonio Artés-Rodríguez

Identification of suspects based on partial and smudged fingerprints, commonly referred to as fingermarks or latent fingerprints, presents a significant challenge in the field of fingerprint recognition. Although fixed-length embeddings…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Abdul Wahab , Tariq Mahmood Khan , Shahzaib Iqbal , Bandar AlShammari , Bandar Alhaqbani , Imran Razzak

To obtain operational insights regarding the crime of burglary in London we consider the estimation of effects of covariates on the intensity of spatial point patterns. By taking into account localised properties of criminal behaviour, we…

Applications · Statistics 2021-10-25 Jan Povala , Seppo Virtanen , Mark Girolami
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