Results 111 to 120 of about 5,936 (296)

Image Forensics of High Dynamic Range Imaging

open access: yes, 2012
This paper introduces a novel area of research to the Image Forensic field; identifying High Dynamic Range (HDR) digital images. We create a test set of images that are a combination of HDR and standard images of similar scenes. We also propose a scheme to isolate fingerprints of the HDR-induced haloing artifact at "strong" edge positions, and present ...
Philip Bateman   +2 more
openaire   +2 more sources

Examining Phosphatidylethanol (PEth) Formation Rates Within and Between Subjects in Ex Vivo Whole Blood

open access: yesDrug Testing and Analysis, EarlyView.
PEth formation rate increased with increasing ethanol concentration with variability between participants but was mostly consistent within‐subject. No relationship was observed between phosphatidylcholine concentrations and PEth formation rates. PEth concentrations should be used to monitor an individual's ethanol use over time, rather than compared ...
Haidyn G. Stark   +4 more
wiley   +1 more source

Source camera identification using enhanced sensor pattern noise

open access: yes, 2009
Sensor pattern noises (SPNs), extracted from digital images to serve as the fingerprints of imaging devices, have been proved as an effective way for digital device identification.
HASH(0x55a67fad9668)   +2 more
core   +1 more source

Analysis and Characterization of Kisspeptin and Its Analogues in Serum and Urine Samples by Liquid Chromatography–High‐Resolution Mass Spectrometry for Doping Control Purposes

open access: yesDrug Testing and Analysis, EarlyView.
Sensitive LC‐HRMS methods were established for the detection of kisspeptin and its analogues in serum and urine, alongside their analytical and metabolic characterization. Stability studies were conducted in serum, plasma, and urine, highlighting the importance of appropriate sample handling for reliable anti‐doping analysis.
Sophia Krombholz   +3 more
wiley   +1 more source

Synthbuster: Towards Detection of Diffusion Model Generated Images

open access: yesIEEE Open Journal of Signal Processing
Synthetically-generated images are getting increasingly popular. Diffusion models have advanced to the stage where even non-experts can generate photo-realistic images from a simple text prompt.
Quentin Bammey
doaj   +1 more source

Segmental Hair Analysis of Diphenhydramine and Cyclizine Following a Single Dose

open access: yesDrug Testing and Analysis, EarlyView.
A single oral dose of diphenhydramine and cyclizine can be quantified in human head hair for a minimum of 5 months and, in certain cases, for up to 1 year following intake. Among 12 study participants, the measured concentrations ranged from 0 to 610 pg/mg within 1 year post‐intake.
Jan Bílek   +3 more
wiley   +1 more source

Determination of THC and THC‐COOH in Dried Capillary Blood Spots and Comparison to Venous Blood of Recreational Cannabis Consumers in a Pilot Study

open access: yesDrug Testing and Analysis, EarlyView.
A new extraction method was developed and validated for the extraction of THC and THC‐COOH from capillary blood samples collected as dried blood spots. The extracts were analysed using HPLC–MS/MS resulting in high extraction efficiencies for both THC and THC‐COOH.
Matthias Bantle   +7 more
wiley   +1 more source

Assessment of Abuse Potential‐Related Effects of Oral Dried Kratom Leaf Powder in Healthy Normal Participants Following Single and Multiple Daily Doses

open access: yesDrug Testing and Analysis, EarlyView.
In a randomized, double‐blind, placebo‐controlled study of oral dried kratom leaf powder in healthy kratom‐naive adults, no participants met the clinically meaningful opioid withdrawal threshold; abuse‐related treatment‐emergent adverse events occurred more frequently at higher doses but were generally mild and resolved without sequelae; and no serious
Marion Coe   +5 more
wiley   +1 more source

Mem Tri: Memory Forensics Triage Tool [PDF]

open access: yes, 2016
This work explores the development of MemTri. A memory forensics triage tool that can assess the likelihood of criminal activity in a memory image, based on evidence data artefacts generated by several applications.
Murray, R, Michalas, A.
core  

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