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2. Laser Speckle for Optical Monitoring of Pulsatile Blood Flow

Author

Dunn, Cody Edward

Subjects
Biomedical engineering, Optics
Abstract

Photoplethysmography (PPG) is the primary optical technique used for pulse oximetry and heart rate variability (HRV) measurements. The accuracy of PPG is limited by vasoconstriction, motion artifact, and increased melanin concentration. Recent work demonstrates the promise of PPG for the early detection of injured individuals at risk for hemorrhage. However, the inability to distinguish blood loss from other forms of blood volume loss (e.g., dehydration) limits its performance. A new pulsatile blood flow measurement based on laser speckle imaging, speckleplethysmography (SPG), can overcome multiple limitations associated with PPG. We developed an eight-layer tissue model to simulate both PPG and SPG signals via Monte Carlo methods. The simulations match our in vivo results measured with a two-camera set up for simultaneous imaging of PPG and SPG. Both in silico and in vivo data suggest SPG has a much larger signal-to-noise ratio than PPG, which may prove beneficial for noncontact, wide-field optical monitoring of cardiovascular health. We also compared SPG and PPG to ECG for estimation of HRV during an orthostatic challenge performed by 17 subjects. We found that SPG estimations of HRV are highly correlated to ECG HRV for both time and frequency domain parameters and provide increased accuracy over PPG estimations of HRV. The results suggest SPG measurements are a viable alternative for HRV estimation when ECG measurements are impractical.Lastly, we developed a novel, multi-wavelength coherent spatial imaging (CSI) prototype for comparisons to diffuse optical spectroscopy and diffuse correlation spectroscopy (DOS/DCS). CSI corrects relative measurements of blood flow and oxygenation with optical properties to create absolute measurements. CSI is significantly less expensive (~$200 off-the-shelf) and more portable than DOS/DCS (~$60,000 off-the-shelf). The small probe form factor enables convenient placement of the probe onto the human finger for continuous monitoring similar to current pulse oximeters. The preliminary in vitro phantom results from CSI match gold standard scattering and absorption results (R> 0.95 for all three wavelengths). The absolute measurements of SPG, oxygenation, and hemoglobin concentration are similar to the DOS/DCS results during an in vivo arterial occlusion. These preliminary results suggest CSI may be useful for continuous critical care monitoring.

Published
2021

7. As we integrate AI into banking, we must preserve our humanity.

Author

Cody, Edward B.

Subjects
DUTY, ARTIFICIAL intelligence, INTELLIGENCE service, FINANCIAL services industry, HUMANITY
Abstract

The integration of artificial intelligence into financial services demands a human-centered approach. This is both a moral obligation and a strategic necessity. [ABSTRACT FROM AUTHOR]

Published
2024

9. How Commutative Are Direct Products of Dihedral Groups?

Author

David R. Guichard, Cody Edward Clifton, and Patrick W. Keef

Subjects
Combinatorics, Finite group, Integer, Group (mathematics), General Mathematics, 010102 general mathematics, 0101 mathematics, Abelian group, Dihedral group, 01 natural sciences, Commutative property, Mathematics
Abstract

If G is a finite group, then Pr(G) is the probability that two randomly selected elements of G commute. So G is abelian iff Pr(G) = 1. For any positive integer m, we show that there is a group G wh...

Published
2011
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10. Oracle Hyperion Interactive Reporting 11 Expert Guide

Author

Cody, Edward J., Vose, Emily M., Cody, Edward J., Cody, Edward J., Vose, Emily M., and Cody, Edward J.

Abstract

This book is written in a simple, easy to understand format with screenshots, code samples, and step-by-step explanations that will guide you through the advanced techniques used by the experts. If you are an Oracle Hyperion Interactive reporting user or developer looking to become an expert in the product, then this book is for you. You will require a basic knowledge of Interactive Reporting, as this book starts with a brief overview and then dives into advanced techniques, functions, and best practices. Beginner users should consult The Business Analyst's Guide to Oracle Hyperion Interactive Reporting 11 to gain insight on the software product.

Published
2011

11. The Business Analyst's Guide to Oracle Hyperion Interactive Reporting 11

Author

Cody, Edward J., Cody, Edward J., Cody, Edward J., and Cody, Edward J.

Abstract

This is a hands-on walkthrough, from gathering information to creating a report to the presentation sections. It helps you to get accustomed to the software and gives an in-depth understanding of how to easily unleash the powerful functionality of the software. As a result you will be able to use the powerful functionalities of Oracle Hyperion Interactive Reporting 11 to drive important business decisions. The style of the book allows you to use it as a guide to walk through each chapter or as reference material while you work with the software. This book is for all Oracle Hyperion Interactive reporting users from novice to advanced. If you find yourself struggling while using this tool or you are new to the tool, this book will guide you through and make the learning process incremental.

Published
2010

12. Impact of alternative footwear on human energy expenditure

Author

Morris, Cody Edward, Chander, Harish, Wilson, Samuel J., Loftin, Mark, Wade, Chip, Garner, John C., Morris, Cody Edward, Chander, Harish, Wilson, Samuel J., Loftin, Mark, Wade, Chip, and Garner, John C.

Abstract

Purpose: Use of alternative footwear options such as flip-flop style sandals and minimalist athletic shoes are becoming increasingly popular footwear choices. The purpose of the investigation was to analyze the energy expenditure and oxygen consumption requirements of walking at preferred pace while wearing flip-flops, slip-on style shoes, and minimalist athletic shoes. Methods: Eighteen healthy male adults participated in this study. In addition to an initial familiarization session, participants were tested in three different footwear conditions [thong-style flip-flops (FF), Croc® slip on shoes (CROC), and Vibram Fivefingers® minimalist shoes (MIN)]. Then after a brief warm-up, participants walked a one-mile distance at their preferred pace. Immediately following completion of the one-mile walk, participants stood quietly on the treadmill for an additional period to assess excess post-exercise oxygen consumption (EPOC). Results: A repeated-measures ANOVA that the following variables did not show evidence of a significant differently value between conditions: preferred pace (p = 0.392), average oxygen consumption (p = 0.804), energy expenditure per mile (p = 0.306), or EPOC (p = 0.088). There was shown to be a significantly higher RER during exercise in CROC compared to MIN (p = 0.031) with no significant differences observed when comparing CROC to FF (p = 0.106) or FF to MIN (p = 0.827). Conclusion: Based on the results of the current study, it appears that the alternative footwear selected for evaluation do not lead to a substantial alteration of walking pace or overall EE. However, the significant difference in RER suggesting a slightly elevated exercise intensity while wearing the CROC could perhaps be related to the softer sole, influencing overall mechanical efficiency.

Published
2017

14. Oracle Hyperion Interactive Reporting 11 Expert Guide

Author

Vose, Emily M., Vose, Emily M., Cody, Edward J., Vose, Emily M., Vose, Emily M., and Cody, Edward J.

Abstract

This book is written in a simple, easy to understand format with screenshots, code samples, and step-by-step explanations that will guide you through the advanced techniques used by the experts. If you are an Oracle Hyperion Interactive reporting user or developer looking to become an expert in the product, then this book is for you. You will require a basic knowledge of Interactive Reporting, as this book starts with a brief overview and then dives into advanced techniques, functions, and best practices. Beginner users should consult The Business Analyst's Guide to Oracle Hyperion Interactive Reporting 11 to gain insight on the software product.

Published
2011

17. GOP leaders criticize Obama's Iran policy in rally for opposition group

Author

Cody, Edward

Subjects
Government regulation, Mujahedin Khalq Organization -- Laws, regulations and rules, Republican Party (United States) -- Political activity, Nuclear arms control -- International aspects, Political organizations -- Demonstrations and protests, Terrorist organizations -- Laws, regulations and rules, Iran -- Military policy
Published
2010

18. E.U. summit highlights rift over currency crisis

Author

Cody, Edward

Subjects
Euro currency transition, European Union -- Conferences, meetings and seminars, Euro (Currency) -- International aspects, Euro (Currency) -- Valuation, Public debts -- International aspects, Brussels, Belgium (City) -- Conferences, meetings and seminars, Europe -- Economic aspects
Published
2010

19. Airline liable in Concorde crash

Author

Cody, Edward

Subjects
Company legal issue, Air France S.A. -- Accidents, Continental Airlines Inc. -- Investigations, Concorde (Aircraft) -- Accidents, Aircraft accidents -- Investigations, Aircraft accidents -- Casualties, Airlines -- Investigations, Airlines -- Accidents
Published
2010

21. Russia to aid NATO on antimissile network in Europe

Author

Cody, Edward

Subjects
North Atlantic Treaty Organization -- Conferences, meetings and seminars, Ballistic missile defenses -- International aspects, Europe -- Military aspects, Lisbon, Portugal -- Conferences, meetings and seminars, Russia -- Military policy
Published
2010

22. As summit begins, NATO refocuses its mission

Author

Cody, Edward and DeYoung, Karen

Subjects
North Atlantic Treaty Organization -- Conferences, meetings and seminars, North Atlantic Treaty Organization -- Military aspects, Ballistic missile defenses, Lisbon, Portugal -- Conferences, meetings and seminars
Published
2010

25. Pension reform approved in France

Author

Cody, Edward

Subjects
Government regulation, Presidents -- Economic policy, Pension funds -- Laws, regulations and rules, Economic reform -- Demonstrations and protests, France -- Demonstrations and protests
Published
2010

27. French workers stage another walkout, joined by students

Author

Cody, Edward

Subjects
Government regulation, Presidents -- Social policy, Retirement age -- Laws, regulations and rules, Labor unions -- France, Labor unions -- Demonstrations and protests, Student movements, France -- Demonstrations and protests
Published
2010

29. France weighs immigration bill

Author

Cody, Edward

Subjects
Government regulation, Illegal immigrants -- Laws, regulations and rules, Illegal immigrants -- Social aspects, Romanies -- Emigration and immigration, Immigration policy, Naturalization, France -- Social policy, France -- Emigration and immigration, Romania -- Emigration and immigration
Published
2010

30. Terrorism fears put Paris on high alert

Author

Cody, Edward

Subjects
Company business management, Antiterrorism measures -- Management, Terrorism alerts, Paris, France -- Safety and security measures
Published
2010

31. Deep within a French glacier, a melted menace

Author

Cody, Edward

Subjects
Glaciers -- Environmental aspects, Surface-ice melting -- Environmental aspects, Geological research, Mont Blanc -- Environmental aspects
Published
2010

32. Sex allegations against founder derail WikiLeaks' momentum

Author

Cody, Edward

Subjects
Company legal issue, Sunshine Press. WikiLeaks -- Officials and employees, International agencies -- Officials and employees, Rape -- Investigations, Sexual harassment -- Investigations
Published
2010

33. Crackdown on Roma divides French

Author

Cody, Edward

Subjects
Government regulation, Presidents -- Social policy, Presidents -- Political activity, Romanies -- Laws, regulations and rules, Immigrants -- Laws, regulations and rules
Published
2010

34. In Haiti, finding peace through play

Author

Cody, Edward

Subjects
Haiti Earthquake, 2010 -- Social aspects, Children -- Psychological aspects, Disaster victims -- Psychological aspects, Port-au-Prince, Haiti -- Social aspects
Published
2010

41. World Cup failure adds to France's pain

Author

Cody, Edward

Subjects
Political issue, World Cup (Soccer), Workers -- Demonstrations and protests, Retirement age, Pension funds, Soccer teams, France -- Demonstrations and protests, France -- Economic policy
Published
2010

47. European flights jump as volcanic ash clears and Germany, France reopen airspace

Author

Cody, Edward and Adam, Karla

Subjects
Government regulation, Airways -- Environmental aspects, Air travel -- Germany, Air travel -- France, Air travel -- United Kingdom, Air travel -- Iceland, Air travel -- Laws, regulations and rules, Air travel -- Economic aspects, Volcanoes -- Germany, Volcanoes -- France, Volcanoes -- United Kingdom, Volcanoes -- Iceland, Volcanoes -- Economic aspects, Airspace (Law), Travel restrictions, Volcanic ash, tuff, etc., Eyjafjallajokull Volcano -- Economic aspects
Published
2010

48. European officials to ease ash-related flight restrictions

Author

Cody, Edward

Subjects
Government regulation, Bad weather flying -- International aspects, Bad weather flying -- Laws, regulations and rules, Travel restrictions -- Economic aspects, Travel restrictions -- International aspects, Airports -- Economic aspects, Air travel -- Iceland, Air travel -- Environmental aspects
Published
2010

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