Simulation device, simulation system, simulation method and simulation program

Patent metadata

Field	Value
Publication number	US-9364142-B2
Application number	US-201314416246-A
Country	US
Kind code	B2
Filing date	May 28, 2013
Priority date	Aug 20, 2012
Publication date	Jun 14, 2016
Grant date	Jun 14, 2016

Abstract

There is provided a simulation device including: first blur component generating unit configured to generate a first blur component based on distance data included in observation scene data in which the distance data is added to a computer graphics image, and a parameter regarding the non-progressive component included in the trial lens; second blur component generating unit configured to generate a second blur component based on distance data included in the observation scene data and a parameter regarding a progressive component included in the progressive addition lens; a display blur component generating unit configured to generate display blur component, based on first blur component and second blur component; a display blur component adding unit configured to add display blur component to the observation scene data; and display unit configured to display an observation image obtained by display blur component adding unit, to a wearer wearing the trial lens.

First claim

The invention claimed is:

1. A simulation device for having an experience of a view by a wearer when an outer visual field is observed through a progressive addition lens, by observing an observation image through a set of trial lenses,
wherein a trial lens is a non-progressive addition lens having a non-progressive component of the progressive addition lens, and shares a role for a view corresponding to a non-progressive component of the progressive addition lens, and the observation image shares a role for a view corresponding to a progressive component of the progressive addition lens,
the simulation device comprising:
a first blur component generating unit configured to generate a first blur component based on distance data included in observation scene data in which the distance data is added to a computer graphics image, and parameters regarding the non-progressive component shared by the trial lens;
a second blur component generating unit configured to generate a second blur component based on distance data included in the observation scene data and parameters regarding the progressive component included in the progressive addition lens;
a display blur component generating unit configured to generate a display blur component, based on the first blur component and the second blur component;
a display blur component adding unit configured to convolute the display blur component into the observation scene data; and
a display unit configured to display an observation image obtained by the display blur component adding unit, to a wearer wearing the trial lens.

2. The simulation device according to claim 1 , wherein the display blur component is the component in which the first blur component is removed from the second blur component.

3. The simulation device according to claim 2 , further comprising:
a first distortion component generating unit configured to generate a first distortion component based on the distance data included in the observation scene data and parameters regarding a non-progressive component included in the trial lens;
a second distortion component generating unit configured to generate a second distortion component, based on distance data included in the observation scene data and parameters regarding a progressive component included in the progressive addition lens;
a display distortion component generating unit configured to generate a display distortion component, based on the first distortion component and the second distortion component; and
a display distortion component adding unit configured to practice the display distortion component into the observation scene data,
wherein an observation image obtained by the display distortion component adding unit, is displayed by the display unit, to a wearer wearing the trial lens.

4. The simulation device according to claim 3 , wherein at least the display blur component adding unit and the display distortion component adding unit respond to each of a left eye and a right eye individually.

5. The simulation device according to claim 4 , wherein the display unit is assembled into a casing that can be mounted on a head section of a wearer.

6. The simulation device according to claim 5 , comprising:
a third blur component generating unit configured to generate a third blur component, based on distance information between the observation image displayed in the casing and a wearer
wherein in the display blur component adding unit, the third blur component generated by the third blur component generating unit is removed from the observation scene data.

7. A simulation system for having an experience of a view by a wearer when an outer visual field is observed through a progressive addition lens, by observing an observation image through a trial lens,
wherein the trial lens is a non-progressive addition lens having a non-progressive component of the progressive addition lens, and shares a role for a view corresponding to a non-progressive component of the progressive addition lens, and the observation image shares a role for a view corresponding to a progressive component of the progressive addition lens,
the simulation system including:
a first blur component generating unit configured to generate a first blur component based on distance data included in observation scene data in which the distance data is added to a computer graphics image, and a parameter regarding the non-progressive component included in the trial lens;
a second blur component generating unit configured to generate a second blur component based on the distance data included in the observation scene data and a parameter regarding a progressive component included in the progressive addition lens;
a display blur component generating unit configured to generate a display blur component, based on the first blur component and the second blur component;
a display blur component adding unit configured to add the display blur component to the observation scene data; and
a display unit configured to display an observation image obtained by the display blur component adding unit, to a wearer wearing the trial lens.

8. A simulation method for having an experience of a view by a wearer when an outer visual field is observed through a progressive addition lens, by observing an observation image through a trial lens,
wherein the trial lens is a non-progressive addition lens having a non-progressive component of the progressive addition lens and shares a role for a view corresponding to a non-progressive component of the progressive addition lens, and the observation image shares a role for a view corresponding to a progressive component of the progressive addition lens,
the simulation method comprising:
generating a first blur component based on distance data included in observation scene data in which the distance data is added to a computer graphics image, and a parameter regarding the non-progressive component included in the trial lens;
generating a second blur component based on distance data included in the observation scene data and a parameter regarding a progressive component included in the progressive addition lens;
generating a display blur component, based on the first blur component and the second blur component;
adding the display blur component to the observation scene data; and
displaying an observation image obtained by the display blur component generating unit and the display blur component adding unit, to a wearer wearing the trial lens.

9. A simulation program for having an experience of a view by a wearer when an outer visual field is observed through a progressive addition lens, by observing an observation image through a trial lens,
wherein the trial lens is a non-progressive addition lens having a non-progressive component of the progressive addition lens and shares a role for a view corresponding to a non-progressive component of the progressive addition lens, and the observation image shares a role for a view corresponding to a progressive component of the progressive addition lens,
the simulation program configured to cause a computer to function as:
a first blur component generating unit configured to generate a first blur component based on distance data included in observation scene data in which the distance data is added to a computer graphics image, and a parameter regarding the non-progressive component included in the trial lens;
a second blur component generating unit configured to generate a second blur component based on distance data included in the observation scene data and a parameter regarding a progressive component included in the progressive addition lens;
a display blur component generating unit configured to generate a display blur

Assignees

• Hoya Corp

Inventors

• Hatanaka Takashi
• Qi Hua

Classifications

• G02C7/028

  Special mathematical design techniques · CPC title

• G06F30/20

  Design optimisation, verification or simulation (optimisation, verification or simulation of circuit designs G06F30/30) · CPC title

• A61B3/04 Primary

  Trial frames; Sets of lenses for use therewith · CPC title

• A61B3/0041

  characterised by display arrangements · CPC title