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Three-Dimensional Surface Topography Acquisition and Analysis for Firearm Identification
2006
Journal of Forensic Sciences
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This work analyzes the advantages and disadvantages of a 3D-based approach by proposing an approach and a prototype system for firearms evidence comparison that is based on the acquisition and analysis ...
The concept of 3D virtual comparison microscope is introduced, whose purpose is not to provide fully automated identification, but to show how the availability of 3D shape information can provide a whole ...
(Torino, Italy) for the development of the 3D surface topography FIG. 18-Shape features affecting cross-correlation results. ...
doi:10.1111/j.1556-4029.2006.00048.x
pmid:16566761
fatcat:7w537ej7ubbn7emkae7ilapeua
A survey of image processing techniques and statistics for ballistic specimens in forensic science
2013
Science & justice
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This article appeared in a journal published by Elsevier. ...
The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues. ...
Imaging in forensic ballistics The use of digital imaging for ballistics first appeared in the literature in the 1970s with the publication of Gardner's paper on computer identification of bullets [24 ...
doi:10.1016/j.scijus.2012.07.002
pmid:23601735
fatcat:ok7tmmxvgjbrrdj4yrporgj4yu
Dictionary of Cash Management
[article]
2021
Zenodo
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A very useful tool for beginners and professionals. Written in a comprehensive language include more than 550 terms and it is an ideal complement for cash lectures ...
Holography: Holography is a method for rendering objects in three dimensions. The image is created by means of laser beams. ...
the activity, equipped with firearms. ...
doi:10.5281/zenodo.5501809
fatcat:zm3m5k46gbcaxo7lgovmpfyehm
A Critical Review of Experimental Observations on Ear-Drum Structure and Function
1982
Journal for Oto-Rhino-Laryngology
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further information is required. ...
Possible reasons are suggested for the apparent incompatibility of Békésy's capacitive-probe measurements with this picture. ...
ACKNOWLEDGEMENTS This work has been supported by the Medical Research Council of Canada, le Ministère de l'Education du Québec, the McConnell Foundation, and the Macdonald-Stewart Foundation. ...
doi:10.1159/000275593
pmid:7050811
fatcat:2onsk5hj6rb6bchvfyjpb7ixki
MAM Volume 17 Supplement S1 - EXPO Issue
2011
Microscopy and Microanalysis
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for visualizing structure in three dimensions. ...
for rapid materials identification from diffraction patterns. ...
doi:10.1017/s1431927611012049
fatcat:ws4y2lfvxzhf5id574tcb7cw6i
Interpol review of fingermarks and other body impressions 2016–2019
2020
Forensic Science International: Synergy
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A book by Kasper is covers fewer techniques [3] . For identification, we note the release of the second edition of the books by Moses Daluz [4, 5] . ...
Kowalski [590] gives very informative case examples (involving firearms or knives) where the location of marks is decisive to understanding past actions. ...
doi:10.1016/j.fsisyn.2020.01.013
pmid:33385142
pmcid:PMC7770454
fatcat:grlrduq7qnbrhavkw2ei2tpiqi
Low‐frequency pressure wave propagation in liquid‐filled, flexible tubes
1992
Journal of the Acoustical Society of America
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The sound radiation produced by releasing a bubble from the needle is monitored by a hydrophone and displayed on a digital oscilloscope. ...
Digital filtering-delay techniques were used to control focal area. ...
Many current noise controllers use adaptive, digital filters for system identification as an integral part of the controller. ...
doi:10.1121/1.403122
fatcat:x23kvbg555hpnktivjgqhvxspq
On the relations among temporal integration for loudness, loudness discrimination, and the form of the loudness function
1996
Journal of the Acoustical Society of America
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For stimulus durations of 500 and 250 ms, information transfer (IT) was 6.6 bits (corresponding to perfect identification of 97 stimuli); at 125 ms, IT was 6.0 bits. ...
Rounding and palatalization convergence in identification by the hearing-impaired listeners was significantly reduced for the fast speech rate. ...
In a visual condition digits were shown at the dimmest and brightest settings of a computer monitor. All subjects performed accurately in both modalities (>90% correct). ...
doi:10.1121/1.415616
fatcat:o3peikxywvgrtccqqlvwx55j3y
Ultra‐high‐speed imaging of bubbles interacting with cells and tissue
2006
Journal of the Acoustical Society of America
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However, whereas Mandarin early arrivals approximate the native English patterns, the late arrivals showed poorer identification, more reliance on visual information, and greater audio-visual integration ...
Therefore, various methods that visualize spatial acoustic information obtained by early reflection in rooms are proposed. ...
The question examined in this paper is whether information other than phonemic segmental information is also preserved, namely, information concerning the phonological process of vowel devoicing. ...
doi:10.1121/1.4788217
fatcat:5drbrqyk65cqzff2cmj5ne6n5e
Free‐field reciprocity calibration of laboratory standard (LS) microphones using a time selective technique
2006
Journal of the Acoustical Society of America
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However, whereas Mandarin early arrivals approximate the native English patterns, the late arrivals showed poorer identification, more reliance on visual information, and greater audio-visual integration ...
Therefore, various methods that visualize spatial acoustic information obtained by early reflection in rooms are proposed. ...
The question examined in this paper is whether information other than phonemic segmental information is also preserved, namely, information concerning the phonological process of vowel devoicing. ...
doi:10.1121/1.4788231
fatcat:o5zthkauwvddtjcer4wralkeja
Estimating the size and spatial distribution of bubble clouds in an underwater acoustic test tank
2010
Journal of the Acoustical Society of America
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A seismic source vessel shot a series of lines designed to give detailed angle and range information concerning the field of the primary arrival. ...
With postanalysis this results in time-dependent positions for each of the acoustic sensors. Every channel is calibrated. ...
For layered structures all information concerning the structure is contained in the phase information of the ultrasound investigating the material. ...
doi:10.1121/1.3384193
fatcat:hbesn7bgzbhvfjiy4sewacwaxe
Transducer models in the ultrasound simulation program FIELD II and their accuracy
2010
Journal of the Acoustical Society of America
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The combined effects of internal waves and bathymetry are studied for various relative directions of internal wave front and bottom ripples. ...
Acoustic ducting and refraction by sea bottom relief in shallow water. James F. Lynch, Alexey A. Shmelev, Ying-Tsong Lin, and Arthur E. Newhall ͑Dept. of Appl. ...
The sound pressure signal created by recreational firearms as used in hunting or target practice is characterized by a highfrequency, short duration impulsive noise. ...
doi:10.1121/1.3384240
fatcat:m5fvh5cecjceneniqfd5w2y3xy
Ultrasonic splitting of oil‐in‐water emulsions
1999
Journal of the Acoustical Society of America
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Room acoustical measurements thus were realized using a dodecahedron loud-speaker for measuring reverberation time, an interference-free loudspeaker with omnidirectional characteristic for recording impulse ...
A specially constructed spaced four-capsule microphone in tetrahedron arrangement was used for measuring also. ...
Dynamic information in French vowel identification by native and non-native listeners. Terry L. Gottfried and Jonathan S. ...
doi:10.1121/1.424512
fatcat:vtwriesktjcihcne2wjrqgpuu4
On the applicability of models for outdoor sound
1999
Journal of the Acoustical Society of America
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Room acoustical measurements thus were realized using a dodecahedron loud-speaker for measuring reverberation time, an interference-free loudspeaker with omnidirectional characteristic for recording impulse ...
A specially constructed spaced four-capsule microphone in tetrahedron arrangement was used for measuring also. ...
Dynamic information in French vowel identification by native and non-native listeners. Terry L. Gottfried and Jonathan S. ...
doi:10.1121/1.425063
fatcat:rx6rqlhfqras5gqdrobu6sl4vi
Appendix 1 Glossary of acoustical terms
[chapter]
2013
Acoustics and Noise Control
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Although many more sophisticated optical techniques, such as laser holography, are available for visualization and research into modes of vibration of structures, Chladni's simple method remains a very ...
In 1787 the German physicist and musician Ernst Chladni devised a method for visualizing the modes of a vibrating plate, by sprinkling the plate with a fine powder. ...
., Mechanical Vibration and Shock Measurements, Bruel and Kjaer, 1984
Standards Lists of standards on acoustics and noise control may be found by interrogating BSI and ISO websites. ...
doi:10.4324/9781315847146-19
fatcat:tultvdehwbcp3gbuf7oofnp2xa
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