Laser Polarimetry of Biological Tissues: Computer Algorithms for Data Processing in Forensic Age Determination of Injuries

ISBN-13: 9789819917334 / Angielski

Zhengbin Hu; I. L. Bezhenar; O. Y. Vanchulyak

Spis treści

Abstract

Abbreviations and Conventions

1. Analysis of Modern Aspects of Determination of Lifetime and Injuries Prescriptions in Forensic Medicine

1.1. Modern Aspects of Determination of Lifetime and Injuries Prescriptions in Forensic Medicine

1.2. Optical Polarization and Correlation Methods of the Diagnostics of Phase-Inhomogeneous Biological Structures in Medicine

References

2. Materials and Methods of Research in Laser Polarimetry Data Processing of Biological Tissues for Forensic Determination of the Age of Injury

Abstract

2.1. Morphological Structure of Human Skin

2.1.1. Epidermis

2.1.2. Derma, or Skin Itself

2.1.3. Amorphous Skin Substance

2.2. Modeling of the Human Skin Layer as a Transformer of Laser Padiation Parameters

2.2.1. The Formation of the Distribution of Azimuths and Elliptic Polarization and Phase Shifts of the Laser Image of Histological Sections of the Skin

2.2.2. The Formation of Intensity Distributions of Laser Images of Histological Sections of the Skin

2.2.3. The Formation of Distributions of the Degree of Depolarization of Laser Radiation Scattered by Histological Sections of the Skin

2.3. The Experimental Scheme of Polarimetric Studies

2.3.1. Method of Measurement of Polarization and Phase Parameters of the Laser Images

2.4. Statistical and Correlation Approaches in the Analysis of Laser Images of Skin Derma

2.5. Fractal Approach in the Analysis of the Polarization Properties of Laser Images of Skin Histological Sections

2.6. Experimental Illustrations of the Polarization Structure of Laser Images of Histological Sections of Human Skin

References

3. Determination of the Lifetime and Post-Mortal Nature and Temporal Dynamics of the Formation of Abrasions of Human Skin

Abstract

3.1. Study of the Statistical Structure of the Intensity Distribution of Laser Images of Histological Sections of Skin Abrasions

3.2. Analysis of the Statistical Structure of the Power Spectra of Intensity of Laser Images of Histological Sections of Skin Abrasions

3.3. Investigation of the Temporal Dynamics of Changes of the Statistical Parameters

of the Intensity Distributions of Laser Images of Skin Abrasions

References

4. Study of Two-Dimensional Polarization Maps of the Skin for Differentiation of Lifetime and Post-Mortal Nature and Temporal Dynamics of Abrasions

Abstract

4.1. Study of Two-Dimensional Distributions of Azimuths of Polarization of Laser Images of the Skin with Lifetime and Post-Mortal Abrasions

4.2. Study of the Temporal Dynamics of Changes in the Average and Dispersion of the Coordinate Distributions of the Azimuths of Polarization of Laser Images of Skin Abrasions

4.3 Study of Two-Dimensional Distributions of Ellipticity of Polarization of Laser Images of Skin with Lifetime and Post-Mortal Abrasions

4.4. Investigation of the Temporal Dynamics of Changes in the Average and Dispersion of the Coordinate Distribution of the Ellipticity of Polarization of Laser Images of Skin Abrasions

4.5. Correlation and Frequency-Spectral Analysis of Polarization Maps of Skin Abrasions

4.5.1. Correlation Analysis of Coordinate Distributions of the Azimuth of Polarization of the Laser Images of Skin Abrasions

4.5.2. Spatial-Frequency Analysis of Coordinate Distributions of Azimuths of Polarization of Laser Images of Skin Abrasions

4.5.3. Correlation Analysis of Coordinate Distributions of Ellipticity of Polarization of Laser Images of Skin Abrasions

4.5.4. Spatial-Frequency Analysis of Coordinate Distributions of Ellipticity of Polarization of Laser Images of Skin Abrasions

References

5. Study of the Evolution of Phase Images of the Skin for Differentiation of the Lifetime and Post-Mortal Skin Abrasions and the Time of their Appearance

Abstract

5.1. Investigation of the Temporal Dynamics of Changes in Phase Shifts Between of Orthogonal Components of the Amplitude of Laser Radiation Scattered by Skin Abrasions

5.2. Correlation and Spatial-Frequency Structure of Phase Images of Histological Sections of Skin Abrasions of Biomannequins

5.3. Spatial-Frequency Analysis of a Temporary Change in the Coordinate Phase Distributions of Laser Images of Skin Abrasions

References

Conclusions

References

O autorze

Dr. Zhengbin Hu is Deputy Director at the International Center of Informatics and Computer Science, Faculty of Applied Mathematics, National Technical University of Ukraine “Kyiv Polytechnic Institute”, Ukraine, and Adjunct Professor, School of Computer Science, Hubei University of Technology, China. His research interests are in the areas of computer science and technology applications, artificial intelligence, network security, communications, data processing, cloud computing, and education technology.

 

Dr. I.L. Bezhenar entered Chernivtsi State Medical Institute in 1988 and graduated with a degree in general medicine in 1994. Since 1997, he has been working as Head of the Department of Forensic Medical Examination of Corpses of the Regional Bureau of Forensic Medical Examination.

 

 Dr. O.Y. Vanchulyak graduated from the Bukovinian State Medical Academy with a degree in General Medicine in 1999. From 1999 to 2000, he completed his internship in the "Forensic Medicine" at the Shupyk Kyiv Medical Academy of Postgraduate Education of Physicians. Since 2000, he has been working as Part-time Forensic Medical Expert at the Regional Bureau of Forensic Medical Examination of the CMU.

 

Dr. Alexander G. Ushenko  is Head of Optics and Publishing Department at the Chernivtsi National University, Ukraine. He received his BS and MS degrees in optics from the Chernivtsi State University in 1975 and 1977, respectively, and his Ph.D. degree in optics and laser physics from the Chernivtsi State University in 1983.  In 2000, he obtained D.Sc. in optics and laser physics. His current research interests include laser polarimetry, polarization interferometry, and digital holography.

 

Dr. Yuriy A. Ushenko obtained his Ph.D. in optics and laser physics in 2006, and D.Sc. in optics and laser physics from the Taras Shevchenko National University of Kyiv in 2015. He is currently Professor and Head of the Computer Science Department at Chernivtsi National University, Ukraine. His current research interests include laser polarimetry, holography, and application of AI in life sciences.

 

Dr. Mykhailo Gorsky is Assistant Professor at the Chernivtsi National University. He received his BS and MS degrees in optics from the Chernivtsi National University in 2001 and 2002, respectively, and his Ph.D. degree in optics and laser physics from the Chernivtsi National University in 2010.  His current research interests include laser polarimetry, holography, etc.

 

Dr. Igor Meglinski is Professor at the School of Engineering and Applied Science and at the School of Life and Health Sciences in Aston University, Birmingham (UK), and at the Faculty of Information Technology and Electrical Engineering of the University of Oulu (Finland). He is Chartered Physicist (CPhys), Chartered Engineer (CEng), Fellow of Institute of Physics, and Fellow of SPIE. His research interests lie at the interface between physics, optical and biomedical engineering, sensor technologies, and life sciences, focusing on the development of new non-invasive imaging/diagnostic techniques and their application in medicine and biology, material sciences, pharmacy, food, environmental monitoring, and healthcare industries.