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Related Experiment Video

Updated: Jan 5, 2026

Agarose-based Tissue Mimicking Optical Phantoms for Diffuse Reflectance Spectroscopy

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Published on: August 22, 2018

Ray tracing 3D spectral scenes through human optics models.

Trisha Lian¹, Kevin J MacKenzie², David H Brainard³

¹Department of Electrical Engineering, Stanford University, Palo Alto, CA, USA.

Journal of Vision

|October 29, 2019

Summary

This summary is machine-generated.

Scientists developed ISET3d software to simulate 3D vision, modeling how light forms images on the retina. This tool enhances understanding of visual perception and optics for various display technologies.

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Area of Science:

Computational Vision
Optical Engineering
Human Visual System Modeling

Background:

Existing software (ISETBio) modeled image formation for 2D scenes.
Characterizing early visual processing requires simulating 3D environments.

Purpose of the Study:

To extend ISETBio for simulating image formation in 3D scenes.
To quantify the impact of physiological optics on 3D image perception.

Main Methods:

Utilized a quantitative computer graphics program for ray tracing scene radiance.
Simulated image formation through physiological optics to retinal irradiance for model eyes.
Integrated ISET3d with ISETBio to calculate cone excitations.

Main Results:

Successfully implemented and validated ISET3d for 3D scene image formation.
Quantified the influence of physiological optics parameters on 3D retinal images.
Demonstrated conversion of retinal irradiance to cone excitations.

Conclusions:

ISET3d enables prediction of visual system responses to complex 3D scenes.
The software aids in evaluating visual occlusion and binocular vision information.
Applicable to near-field and augmented reality display retinal image analysis.