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Eye Movement During Object Search and Its Comparison to Free Viewing.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Eye Movement During Object Search and Its Comparison to Free Viewing./
作者:	Chen, Yupei.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	165 p.
附註:	Source: Dissertations Abstracts International, Volume: 83-05, Section: B.
Contained By:	Dissertations Abstracts International83-05B.
標題:	Psychology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28716894
ISBN:	9798492737795

Eye Movement During Object Search and Its Comparison to Free Viewing.
Chen, Yupei.

Eye Movement During Object Search and Its Comparison to Free Viewing. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 165 p.

Source: Dissertations Abstracts International, Volume: 83-05, Section: B.

Thesis (Ph.D.)--State University of New York at Stony Brook, 2021.

This item must not be sold to any third party vendors.

Eye movement is an observable behavior relating to visual attention, which can be characterized into two types: one a bottom-up process that is solely based on the visual input and the other a top-down process that is influenced by the behavioral goal. These two types of attention are largely considered to correspond to the eye movements made during free viewing and visual search tasks, respectively. Recent development of deep learning methods provides the opportunity for training models of fixation prediction and comparing their performance. However, most visual search studies that have recorded eye movement have been small-scale efforts limited to only dozens or a few hundreds of unique search images. There is no image dataset labeled with search fixations that is large and general enough for training deep network models, nor are there parallel datasets of search and free-viewing behavior to provide a direct comparison between these two tasks on the same images. To fill in this gap, we created COCO-Search18 and COCO-FreeView, large-scale datasets of eye fixations from people either searching for a target object or freely viewing the same images. We characterized eye movement behaviors in both datasets and trained deep network models to predict fixations on a disjoint test dataset. Additionally, we also collected COCO-CursorSearch, a third parallel dataset using the same images and 18 target categories as COCO-Search18 but with people using a "foveated" mouse-deblurring paradigm to manually search for targets. We validate our mouse movement approximation of search fixations and discuss the potential that online data collection has for modeling attention. With the creation of these three large-scale human fixation datasets, and the systematic comparison between search and free-viewing that they enable, we propose a unifying "objectness" model that predicts both bottom-up and goal-directed attention behaviors.

ISBN: 9798492737795Subjects--Topical Terms:

519075
Psychology.
Subjects--Index Terms:

Eye movement

Eye Movement During Object Search and Its Comparison to Free Viewing.
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