[HTML][HTML] Construction of relatedness matrices using genotyping-by-sequencing data
…, RM Anderson, TC van Stijn, T Kristjánsson… - BMC genomics, 2015 - Springer
Background Genotyping-by-sequencing (GBS) is becoming an attractive alternative to array-based
methods for genotyping individuals for a large number of single nucleotide …
methods for genotyping individuals for a large number of single nucleotide …
[HTML][HTML] Spread of SARS-CoV-2 in the Icelandic population
…, KS Josefsdottir, T Kristjansson… - … England Journal of …, 2020 - Mass Medical Soc
Background During the current worldwide pandemic, coronavirus disease 2019 (Covid-19)
was first diagnosed in Iceland at the end of February. However, data are limited on how …
was first diagnosed in Iceland at the end of February. However, data are limited on how …
[HTML][HTML] Humoral immune response to SARS-CoV-2 in Iceland
…, A Jonasdottir, H Jonsson, T Kristjansson… - … England Journal of …, 2020 - Mass Medical Soc
Background Little is known about the nature and durability of the humoral immune response
to infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Methods …
to infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Methods …
[PDF][PDF] HMM adaptation using vector taylor series for noisy speech recognition.
In this paper we address the problem of robustness of speech recognition systems in noisy
environments. The goal is to estimate the parameters of a HMM that is matched to a noisy …
environments. The goal is to estimate the parameters of a HMM that is matched to a noisy …
Dynamics of visual attention revealed in foraging tasks
Visual search tasks play a key role in theories of visual attention. But single-target search
tasks may provide only a snapshot of attentional orienting. Foraging tasks with multiple targets …
tasks may provide only a snapshot of attentional orienting. Foraging tasks with multiple targets …
Technical efficiency of African catfish production in Nigeria: an analysis involving input quality and COVID-19 effects
…, T Kristjánsson, T Tómasson - Aquaculture …, 2023 - Taylor & Francis
… T E i is the relative technical efficiency of the ith firm which lies between zero and unity, ie
[0 < TE < 1]. A T E i equal to 1 implies a fully efficient farm. Since the coefficients ( β …
[0 < TE < 1]. A T E i equal to 1 implies a fully efficient farm. Since the coefficients ( β …
Foraging through multiple target categories reveals the flexibility of visual working memory
T Kristjánsson, Á Kristjánsson - Acta Psychologica, 2018 - Elsevier
A key assumption in the literature on visual attention is that templates, actively maintained in
visual working memory (VWM), guide visual attention. An important question therefore …
visual working memory (VWM), guide visual attention. An important question therefore …
Super-human multi-talker speech recognition: A graphical modeling approach
We present a system hat can separate and recognize the simultaneous speech of two people
recorded in a single-channel. Applied to the Speech Separation Challenge, [Cooke, M., …
recorded in a single-channel. Applied to the Speech Separation Challenge, [Cooke, M., …
[PDF][PDF] Interactive information extraction with constrained conditional random fields
… To avoid an exponential-time search over all possible settings of s, Viterbi stores the
probability of the most likely path at time t which accounts for the first t observations and ends in …
probability of the most likely path at time t which accounts for the first t observations and ends in …
Time limits during visual foraging reveal flexible working memory templates.
T Kristjánsson, IM Thornton… - Journal of Experimental …, 2018 - psycnet.apa.org
… In another series of studies involving both static and dynamic foraging displays, we removed
the penalty that a single error terminated the trial (Thornton, de’Sperati, & Kristjánsson, 2016…
the penalty that a single error terminated the trial (Thornton, de’Sperati, & Kristjánsson, 2016…