Results 51 to 60 of about 1,324 (197)

An Experimental Investigation on the Impact of Burner Height and Location on the Characteristics of Externally Venting Flames

Fire and Materials, EarlyView.
ABSTRACT Fire sources in actual compartment fires exhibit a predominantly uneven spatial distribution. In this context, the impact of the height and location of the fire source, as well as the heat release rate (HRR) of the fire, on the thermal characteristics of Externally Venting Flames (EVF) is experimentally investigated.
Dionysios I. Kolaitis, Andrianos E. Koklas   +1 more
wiley   +1 more source

Hybrid reference-based Video Source Identification

Sensors, 2019
Millions of users share images and videos generated by mobile devices with different profiles on social media platforms. When publishing illegal content, they prefer to use anonymous profiles. Multimedia Forensics allows us to determine whether videos or
Massimo Iuliani, Marco Fontani, Dasara Shullani, Alessandro Piva   +3 more
doaj   +1 more source

A comprehensive review of video steganalysis

IET Image Processing, 2022
Steganography is the art of secret communication and steganalysis is the art of detecting the hidden messages embedded in digital media covers. One of the covers that is gaining interest in the field is video. Presently, the global IP video traffic forms
Mourad Bouzegza, Ammar Belatreche, Ahmed Bouridane, Mohamed Tounsi   +3 more
doaj   +1 more source

Influence of Adhesive Type on Heat Induced Delamination in Tension Loaded Shear Lap Cross‐Laminated Timber Samples Exposed to Radiant Heat Flux

Fire and Materials, EarlyView.
ABSTRACT Heat induced delamination (HID) is a phenomenon in engineered wood products which may result in the detachment of the bonded timber lamellae before charring propagates to the bond line interphase. This study aims to correlate the thermal degradation of two 1‐c‐polyurethane adhesives at the microscale to the thermo‐hydro‐mechanical behaviour of
A. Čolić, F. Wiesner, M. Spearpoint, D. Hopkin, L. Bisby   +4 more
wiley   +1 more source

Flammability of Facades Across Scales and International Standards

Fire and Materials, EarlyView.
ABSTRACT Facade fires are a rare but destructive hazard that can lead to the rapid spread of fire between the floors and fire compartments of a building. Today, there are at least 21 different national standards for facade fire tests in use around the world, which seek to categorize facades based on their flammability.
Matthew Bonner, Wojciech Węgrzyński, Jakub Bielawski, Guillermo Rein   +3 more
wiley   +1 more source

Human object annotation for surveillance video forensics [PDF]

Journal of Electronic Imaging, 2013
A system that can automatically annotate surveillance video in a manner useful for locating a person with a given description of clothing is presented. Each human is annotated based on two appearance features: primary colors of clothes and the presence of text/logos on clothes.
Muhammad Fraz, Iffat Zafar, Giounona Tzanidou, Eran A. Edirisinghe, Muhammad Saquib Sarfraz   +4 more
openaire   +1 more source

Fire and Rescue Service Preparedness for Natural Hazards

Fire and Materials, EarlyView.
ABSTRACT Natural hazards driven by extreme weather events are expected to continue to pose a significant risk to citizens, property and the environment. Based on a series of national and international interviews with the Fire and Rescue Service (FRS), this paper presents an analysis of present practices within the FRS and FRS willingness to employ a ...
Johan Björck, Margaret McNamee
wiley   +1 more source

Applied surgical anatomical approach to pudendal nerve: Step‐by‐step key neurovascular structures for pelvic nerve surgery

International Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective To define and demonstrate a step‐by‐step surgical anatomical approach to pudendal nerve dissection using female cadavers, focusing on the identification of safe roadmap and key neurovascular structures to optimize pelvic nerve surgery.
Merve Didem Eşkin Tanrıverdi, Ayhan Cömert, Zekiye Gözde Kara, Hasan Onur Topçu, Halil İbrahim Açar   +4 more
wiley   +1 more source

Video tampering detection algorithm based on spatial constraint and gradient structure information

网络与信息安全学报, 2019
The traditional video passive forensics method using only the principle of similarity between adjacent frames will cause a lot of false detection for the video with severe motion.Aiming at this problem,a video tamper detection method combining spatial ...
Han PU, Tianqiang HUANG, Bin WENG, Hui XIAO, Wei HUANG   +4 more
doaj   +3 more sources

Forensic Analysis of Fountain Pen Calligraphy–II. Real Evidence Analysis at the Public Prosecutor's Office

X-Ray Spectrometry, EarlyView.
ABSTRACT The present study is a report of the real forensic analysis of characters written by fountain pen(s) on two sheets of paper. One sheet is the calligraphy written by the victim of the Sayama incident. The other is number characters written with a fountain pen found on the lintel of the suspect's house.
Jun Kawai, Masafumi Nishimoto, Shinichi Ishizuka   +2 more
wiley   +1 more source