Apparatus and method for reducing three-dimensional visual fatigue
First Claim
Patent Images
1. An apparatus reducing three-dimensional (3D) visual fatigue, the apparatus comprising:
- a viewing distance estimator to determine a user-to-screen distance from a screen to a user;
a 3D image analyzer to calculate a user-to-3D object distance based on the determined user-to-screen distance and a parallax of a 3D image;
a 3D visual fatigue predictor to predict 3D visual fatigue of the user based on the determined user-to-screen distance and the calculated user-to-3D object distance; and
a 3D image controller to control the 3D image based on the predicted 3D visual fatigue,wherein the 3D visual fatigue predictor comprises;
a 3D visual fatigue model-based predictor to predict 3D visual fatigue based on a 3D visual fatigue model using the calculated user-to-3D object distance and determined user-to-screen distance, wherein the 3D visual fatigue model comprises 3D visual fatigue information regarding at least one user-to-screen distance and at least one user-to-3D object distance;
a fatigue-causing determiner to determine whether the 3D visual fatigue model indicates an occurrence of 3D visual fatigue based on the predicted 3D visual fatigue, wherein the fatigue-causing determiner determines an occurrence of 3D visual fatigue if the predicted 3D visual fatigue is equal to or greater than a predetermined reference value; and
an optimal user-to-3D object distance calculator to calculate an optimal user-to-3D object distance using the determined user-to-screen distance and at least one user-to-3D object distance from the 3D visual fatigue model, when the predicted 3D visual fatigue is equal to or greater than the predetermined reference value.
2 Assignments
0 Petitions
Accused Products
Abstract
Disclosed are an apparatus and method for reducing 3D visual fatigue that a user feels when viewing a 3D image. An optimal 3D image may be regenerated and displayed without causing 3D visual fatigue and thus, it is possible to significantly reduce the 3D visual fatigue.
16 Citations
13 Claims
-
1. An apparatus reducing three-dimensional (3D) visual fatigue, the apparatus comprising:
-
a viewing distance estimator to determine a user-to-screen distance from a screen to a user; a 3D image analyzer to calculate a user-to-3D object distance based on the determined user-to-screen distance and a parallax of a 3D image; a 3D visual fatigue predictor to predict 3D visual fatigue of the user based on the determined user-to-screen distance and the calculated user-to-3D object distance; and a 3D image controller to control the 3D image based on the predicted 3D visual fatigue, wherein the 3D visual fatigue predictor comprises; a 3D visual fatigue model-based predictor to predict 3D visual fatigue based on a 3D visual fatigue model using the calculated user-to-3D object distance and determined user-to-screen distance, wherein the 3D visual fatigue model comprises 3D visual fatigue information regarding at least one user-to-screen distance and at least one user-to-3D object distance; a fatigue-causing determiner to determine whether the 3D visual fatigue model indicates an occurrence of 3D visual fatigue based on the predicted 3D visual fatigue, wherein the fatigue-causing determiner determines an occurrence of 3D visual fatigue if the predicted 3D visual fatigue is equal to or greater than a predetermined reference value; and an optimal user-to-3D object distance calculator to calculate an optimal user-to-3D object distance using the determined user-to-screen distance and at least one user-to-3D object distance from the 3D visual fatigue model, when the predicted 3D visual fatigue is equal to or greater than the predetermined reference value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A method of reducing three-dimensional (3D) visual fatigue, the method comprising:
-
determining a user-to-screen distance from a screen to a user; calculating a user-to-3D object distance based on the determined user-to-screen distance and a parallax of a 3D image; predicting 3D visual fatigue of the user based on the determined user-to-screen distance and the calculated user-to-3D object distance; and controlling the 3D image based on the predicted 3D visual fatigue, wherein the predicting comprises; predicting 3D visual fatigue based on a 3D visual fatigue model using the calculated user-to-3D object distance and determined user-to-screen distance, wherein the 3D visual fatigue model comprises 3D visual fatigue information regarding at least one user-to-screen distance and at least one user-to-3D object distance; determining whether the 3D visual fatigue model indicates an occurrence of 3D visual fatigue by determining based on the predicted 3D visual fatigue, wherein an occurrence of 3D visual fatigue is determined if the predicted 3D visual fatigue is equal to or greater than a predetermined reference value; and calculating an optimal user-to-3D object distance using the determined user-to-screen distance and at least one user-to-3D object distance from the 3D visual fatigue model, when the predicted 3D visual fatigue is equal to or greater than the predetermined reference value. - View Dependent Claims (12)
-
-
13. A non-transitory computer-readable medium to store computer-readable instructions, that when executed, performs the method of:
-
determining a user-to-screen distance from a screen to a user; calculating a user-to-3D object distance based on the determined user-to-screen distance and a parallax of a 3D image; predicting 3D visual fatigue of the user based on the determined user-to-screen distance and the calculated user-to-3D object distance; and controlling the 3D image based on the predicted 3D visual fatigue, wherein the predicting comprises; predicting 3D visual fatigue based on a 3D visual fatigue model using the calculated user-to-3D object distance and determined user-to-screen distance, wherein the 3D visual fatigue model comprises 3D visual fatigue information regarding at least one user-to-screen distance and at least one user-to-3D object distance; determining whether the 3D visual fatigue model indicates an occurrence of 3D visual fatigue by determining based on the predicted 3D visual fatigue, wherein an occurrence of 3D visual fatigue is determined if the predicted 3D visual fatigue is equal to or greater than a predetermined reference value; and calculating an optimal user-to-3D object distance using the determined user-to-screen distance and at least one user-to-3D object distance from the 3D visual fatigue model, when the predicted 3D visual fatigue is equal to or greater than the predetermined reference value.
-
Specification