Quantifying center bias of observers in free viewing of dynamic natural scenes. Tseng, P., Carmi, R., Cameron, I. G.<nbsp>M., Munoz, D. P., & Itti, L. J. Vis., 9(7):1-16, 7, 2009. ![Quantifying center bias of observers in free viewing of dynamic natural scenes [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex Human eye-tracking studies have shown that gaze fixations are biased toward the center of natural scene stimuli (�center bias�). This bias contaminates the evaluation of computational models of attention and oculomotor behavior. Here we recorded eye movements from 17 participants watching 40 MTV-style video clips (with abrupt scene changes every 2�4 s), to quantify the relative contributions of five causes of center bias: photographer bias, motor bias, viewing strategy, orbital reserve, and screen center. Photographer bias was evaluated by five naive human raters and correlated with eye movements. The frequently changing scenes in MTV-style videos allowed us to assess how motor bias and viewing strategy affected center bias across time. In an additional experiment with 5 participants, videos were displayed at different locations within a large screen to investigate the influences of orbital reserve and screen center. Our results demonstrate quantitatively for the first time that center bias is correlated strongly with photographer bias and is influenced by viewing strategy at scene onset, while orbital reserve, screen center, and motor bias contribute minimally. We discuss methods to account for these influences to better assess computational models of visual attention and gaze using natural scene stimuli.
@article{ Tseng_etal09,
author = {Tseng, Po-He and Carmi, Ran and Cameron, Ian G. M. and Munoz, Douglas
P. and Itti, Laurent},
title = {{Quantifying center bias of observers in free viewing of dynamic
natural scenes}},
journal = {J. Vis.},
year = {2009},
volume = {9},
pages = {1-16},
number = {7},
month = {7},
abstract = {Human eye-tracking studies have shown that gaze fixations are biased
toward the center of natural scene stimuli (�center bias�). This
bias contaminates the evaluation of computational models of attention
and oculomotor behavior. Here we recorded eye movements from 17 participants
watching 40 MTV-style video clips (with abrupt scene changes every
2�4 s), to quantify the relative contributions of five causes of
center bias: photographer bias, motor bias, viewing strategy, orbital
reserve, and screen center. Photographer bias was evaluated by five
naive human raters and correlated with eye movements. The frequently
changing scenes in MTV-style videos allowed us to assess how motor
bias and viewing strategy affected center bias across time. In an
additional experiment with 5 participants, videos were displayed
at different locations within a large screen to investigate the influences
of orbital reserve and screen center. Our results demonstrate quantitatively
for the first time that center bias is correlated strongly with photographer
bias and is influenced by viewing strategy at scene onset, while
orbital reserve, screen center, and motor bias contribute minimally.
We discuss methods to account for these influences to better assess
computational models of visual attention and gaze using natural scene
stimuli.},
eprint = {http://journalofvision.org/9/7/4/Tseng-2009-jov-9-7-4.pdf},
issn = {1534-7362},
keywords = {eye movement, saccade, orbital reserve, eye�head coordination, saccadic
eye movement, saccade selection, fixation, eye position, ocular,
visuo-motor optimizing strategy, salience, saliency maps, photographer
bias, motor bias, screen center},
url = {http://journalofvision.org/9/7/4/}
}
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The frequently changing scenes in MTV-style videos allowed us to assess how motor bias and viewing strategy affected center bias across time. In an additional experiment with 5 participants, videos were displayed at different locations within a large screen to investigate the influences of orbital reserve and screen center. Our results demonstrate quantitatively for the first time that center bias is correlated strongly with photographer bias and is influenced by viewing strategy at scene onset, while orbital reserve, screen center, and motor bias contribute minimally. We discuss methods to account for these influences to better assess computational models of visual attention and gaze using natural scene stimuli.","author":["Tseng, Po-He","Carmi, Ran","Cameron, Ian G. M.","Munoz, Douglas P.","Itti, Laurent"],"author_short":["Tseng, P.","Carmi, R.","Cameron, I.<nbsp>G.<nbsp>M.","Munoz, D.<nbsp>P.","Itti, L."],"bibtex":"@article{ Tseng_etal09,\n author = {Tseng, Po-He and Carmi, Ran and Cameron, Ian G. M. and Munoz, Douglas\n\tP. and Itti, Laurent},\n title = {{Quantifying center bias of observers in free viewing of dynamic\n\tnatural scenes}},\n journal = {J. Vis.},\n year = {2009},\n volume = {9},\n pages = {1-16},\n number = {7},\n month = {7},\n abstract = {Human eye-tracking studies have shown that gaze fixations are biased\n\ttoward the center of natural scene stimuli (�center bias�). This\n\tbias contaminates the evaluation of computational models of attention\n\tand oculomotor behavior. Here we recorded eye movements from 17 participants\n\twatching 40 MTV-style video clips (with abrupt scene changes every\n\t2�4 s), to quantify the relative contributions of five causes of\n\tcenter bias: photographer bias, motor bias, viewing strategy, orbital\n\treserve, and screen center. Photographer bias was evaluated by five\n\tnaive human raters and correlated with eye movements. The frequently\n\tchanging scenes in MTV-style videos allowed us to assess how motor\n\tbias and viewing strategy affected center bias across time. In an\n\tadditional experiment with 5 participants, videos were displayed\n\tat different locations within a large screen to investigate the influences\n\tof orbital reserve and screen center. 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