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| 1 | Measurement of bullet impact conditions using automated in-flight photography system显示文摘Knowledge of impact conditions is critical to evaluating the terminal impact performance of a projectile.For a small caliber bullet,in-flight velocity has been precisely measured for decades using detection screens,but accurately quantifying the orientation of the bullet on a target has been more challenging.This report introduces the Automated Small-Arms Photogrammetry(ASAP)analysis method used to measure,model,and predict the orientation of a small caliber bullet before reaching an impact surface.ASAP uses advanced hardware developed by Sydor Technologies to record a series of infrared digital photographs.Individual images(four orthogonal pairs)are processed using computer vision algorithms to quantify the orientation of the projectile and re-project its precise position and orientation into a three-dimensional muzzle-fixed coordinate system.An epicyclic motion model is fit to the measured data,and the epicyclic motion is extrapolated to the target location.Analysis results are fairly immediate and may be reviewed during testing.Prove-out demonstrations have shown that the impact-angle prediction capability is less than six hundredths of a degree for the 5.56 mm ball round tested.Keywords:Yaw,Terminal ballistics,Exterior ballistics,Test&evaluation,Computer vision,Image processing,Angle of | Ryan Decker Marco Duca Shawn Spickert-Fulton | 2017 | Defence Technology(防务技术)2017，13，4： | 3 |
| 2 | Mucosal Healing Predicts Late Outcomes After the First Course of Corticosteroids for Newly Diagnosed Ulcerative Colitis显示文摘 | Sandro Ardizzone Andrea Cassinotti Piergiorgio Duca Cristina Mazzali Chiara Penati Gianpiero Manes Riccardo Marmo Alessandro Massari Paola Molteni Giovanni Maconi Gabriele Bianchi Porro | 2011 | Clinical Gastroenterology and Hepatology2011，，6： | 2 |
| 3 | Altered resting state in diabetic neuropathic pain显示文摘 | Cauda F Sacco K Duca S | | 0，，： | 1 |
| 4 | Spheroid preparation from hanging drops: characterization of a model of brain tumor invasion显示文摘 | Del Duca D Werbowetski T Del Maestro RF | 2004 | J Neurooncol2004，67，： | 1 |
| 5 | An Insight- Based Methodology for Evaluating Bioinformatics Visualizations 显示文摘 | punri Samiya Chris North Karen Duca | 2005 | IEEE Transactions on Visualization and Computer Graphics2005，11，4： | 1 |
| 6 | Influence of walking volume on health benefits in women post-menopause显示文摘 | READY A E NAIMARK B DUCAS J | 1996 | Med Sci Sports Exe1996，28，9： | 1 |
| 7 | Credit,Housing Collateral,and Consumption:Evidence from Japan,the UK,and the US显示文摘 | Aron J Duca JV Muellbauer J | 2012 | Review of Income and Wealth2012，，3： | 1 |
| 8 | Broadening the spectrum of diseases related to podocin mutations 显示文摘 | Caridi G Bertelli R di Duca M | 2003 | J Am Soc Nephrol2003，14，5： | 1 |
| 9 | Monetary Policy and Risk Taking显示文摘 | Angeloni I Faia E Duca M L | 2015 | Jour- nal of Economic Dynamics and Control2015，，52： | 1 |
| 10 | Pulmonary vascular pressureflow charactenstics effects of dopamine before and after pulminary embolism显示文摘 | DUCAS J STITZ M GOS | 1992 | Am Rev Respir Dis1992，146，2： | 1 |
| 11 | Percutaneous coronary intervention:Cardiogenic shock显示文摘 | Ducas J Grech ED | 2003 | Br Med J2003，326，： | 1 |
| 12 | Overnight storage of whole blood: cooling and transporting blood at room temperature under extreme temperature conditions显示文摘 | L. Thibault A. Beauséjour A. Jacques é. Ducas M. Tremblay | 2014 | Vox Sang2014，，2： | 1 |
| 13 | Towards a reputation-based routing protocol to contrast blackholes in a delay tolerant network显示文摘 | G Dini A Lo Duca | 2012 | Ad Hoc Networks2012，10，7： | 1 |
| 14 | The ability to achieve complete revaseularization is associated with improved in- hospital survival in cardiogenic shock due to myocardial infarction: Manitoba cardiogenic shock registry investigators显示文摘 | Farrukh Hussain MD Philipp RK Ducas RA | 2011 | Catheteriza- tion & Cardiovascular Interventions2011，78，4： | 1 |
| 15 | Altered resting state in diabetic neuropathic pain显示文摘 | Cauda F Sacco K Duca S | 2009 | PLoS One2009，4，2： | 1 |
| 16 | Replication of obesity and associated signaling pathways through transfer of microbiota from obese-prone rats 显示文摘 | DUCA FA SAKAR Y LEPAGE P | 2014 | Diabetes2014，63，5： | 1 |
| 17 | Cis and trans regulatory elements in NPHS2 promoter: Implications in proteinuria and progression of renal diseases 显示文摘 | Di Duca M Oleggini R Sanna- Cherchi S | 2006 | Kidney Int2006，70，7： | 1 |
| 18 | Towards a Reputation-based Routing Protocol to Contrast Blackholes in a Delay Tolerant Network显示文摘 | Dini G Duca A L | 2012 | Ad Hoc Networks2012，10，7： | 1 |
| 19 | Echocardiography and vascular ultrasound: new developments and future directions显示文摘 | Ducas R Tsang W Chong A A | 2013 | Can J Cardio)2013，29，： | 1 |
| 20 | Why are Convertible Bond Announcements Associated with Increasingly Negative Issuer Stock Returns? An Arbitrage-based Explanation显示文摘 | DUCA E DUTORDOIR M VELD C | 2012 | Journal of Banking & Finance2012，36，： | 1 |
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