Results 11 to 20 of about 3,455 (216)

Evaluation of camera placement for detection of free‐ranging carnivores; implications for assessing population changes

Ecological Solutions and Evidence, 2020
1. Introduced carnivores are often cryptic, making it difficult to quantify their presence in ecosystems, and assess how this varies in relation to management interventions. Survey design should thus seek to improve detectability and maximize statistical
Hayley M. Geyle, Michael Stevens, Ryan Duffy, Leanne Greenwood, Dale G. Nimmo, Derek Sandow, Ben Thomas, John White, Euan G. Ritchie   +8 more
doaj   +1 more source

Seeking efficiency with carnivore survey methods: A case study with elusive martens

Wildlife Society Bulletin, 2018
Obtaining reliable information on species distributions is often the first step in conservation. Distribution information can be used to focus survey efforts to estimate population size and examine drivers of occupancy or other population parameters.
Katie M. Moriarty, Mark A. Linnell, Jamie E. Thornton, G. Wesley Watts III   +3 more
doaj   +1 more source

Improved Ultrasonic Dead Zone Detectability of Work Rolls Using a Convolutional Neural Network

Applied Sciences, 2022
Rolled carbon steel sheets used in industrial and construction sites are formed by passing metal stock between two rotating rolls using a rolling mill, and the work roll is an essential part of the rolling mill.
Yun-Taek Yeom, Hun-Hee Kim, Jinhyun Park, Hak-Joon Kim, Sung-Jin Song   +4 more
doaj   +1 more source

Detectability of Absorption and Reduced Scattering Coefficients in Frequency-Domain Measurements Using a Realistic Head Phantom

Sensors, 2012
Detection limits of the changes in absorption and reduced scattering coefficients were investigated using a frequency-domain near-infrared system in a realistic head phantom.
Xiaofeng Zhang, Andrew Webb
doaj   +1 more source

Adam and the Ants: On the Influence of the Optimization Algorithm on the Detectability of DNN Watermarks

Entropy, 2020
As training Deep Neural Networks (DNNs) becomes more expensive, the interest in protecting the ownership of the models with watermarking techniques increases. Uchida et al. proposed a digital watermarking algorithm that embeds the secret message into the
Betty Cortiñas-Lorenzo, Fernando Pérez-González   +1 more
doaj   +1 more source

Detectability in Discrete Event Systems Using Unbounded Petri Nets

Mathematics, 2023
This paper investigated the verification of detectability for discrete event systems based on a class of partially observed unbounded Petri nets. In an unbounded net system, all transitions and partial places are assumed to be unobservable.
Haoming Zhu, Gaiyun Liu, Zhenhua Yu, Zhiwu Li   +3 more
doaj   +1 more source

Calculation of Resonance Fluorescence Scattering Cross Sections of Metal Particles in the Middle and Upper Atmosphere and Comparison of Their Detectability

Atmosphere, 2023
Resonance fluorescence scattering is the physical mechanism with which lidar detects atmospheric metal layers. The resonance fluorescence scattering cross section is an important parameter for lidar data processing.
Kexin Wang, Zelong Wang, Yuxuan Wu, Yuan Xia, Yuchang Xun, Fuju Wu, Jing Jiao, Lifang Du   +7 more
doaj   +1 more source

Spoofing Attack Detection by Anomaly Detection [PDF]

ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2019
Spoofing attacks on biometric systems can seriously compromise their practical utility. In this paper we focus on face spoofing detection. The majority of papers on spoofing attack detection formulate the problem as a two or multiclass learning task, attempting to separate normal accesses from samples of different types of spoofing attacks.
Fatemifar, S., Arashloo, Shervin Rahimzadeh, Awais, M., Kittler, J.   +3 more
openaire   +2 more sources

New record of the fringed leaf frog, Cruziohyla craspedopus (Anura: Phyllomedusidae) extends its eastern range limit [PDF]

Acta Amazonica
The fringed leaf frog, Cruziohyla craspedopus is rarely sampled in the Brazilian Amazon, probably due to low detection probability associated with its arboreal habit.
Rafael de FRAGA, Kelly TORRALVO
doaj   +2 more sources

First you get the money, then you get the power: Comparing the cost and power of monitoring programs to detect changes in occupancy of a threatened marsupial predator

Conservation Science and Practice, 2023
Ecological monitoring is crucial for tracking changes in the status of species over time. However, ensuring that monitoring programs possess adequate statistical power—capacity to detect changes in populations with a high level of confidence—remains a ...
Harry A. Moore, Judy A. Dunlop, Hayley M. Geyle, Leanne Greenwood, Dale G. Nimmo   +4 more
doaj   +1 more source