TITLE:
Simulate Human Saccadic Scan-Paths in Target Searching
AUTHORS:
Lijuan Duan, Jun Miao, David M. W. Powers, Jili Gu, Laiyun Qing
KEYWORDS:
Saccadic Scan-Paths, Eye Movement, Fixation Locations, Dynamic Scan-Paths
JOURNAL NAME:
International Journal of Intelligence Science,
Vol.6 No.1,
January
22,
2016
ABSTRACT: Human saccade is a dynamic process of
information pursuit. There are many methods using either global context or
local context cues to model human saccadic scan-paths. In contrast to them,
this paper introduces a model for gaze movement control using both global and
local cues. To test the performance of this model, an experiment is done to
collect human eye movement data by using an SMI iVIEW X Hi-Speed eye tracker
with a sampling rate of 1250 Hz. The experiment used a two-by-four mixed design
with the location of the targets and the four initial positions. We compare the
saccadic scan-paths generated by the proposed model against human eye movement
data on a face benchmark dataset. Experimental results demonstrate that the
simulated scan-paths by the proposed model are similar to human saccades in term
of the fixation order, Hausdorff distance, and prediction accuracy for both
static fixation locations and dynamic scan-paths.