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3-D computational synthetic aperture integral imaging (COMPSAII).

Adrian Stern, Bahram Javidi

|May 28, 2009

Summary

A new computational synthetic aperture integral imaging method expands the field of view and viewing angle. This technique combines multiple integral images (IIs) to create a synthetic aperture integral image (SAII) for enhanced 3D imaging.

Area of Science:

Optics and Imaging Technologies
Computational Imaging
3D Reconstruction

Background:

Integral imaging (II) systems traditionally have limitations in field of view (FOV) and viewing angle.
Enhancing the FOV and viewing angle is crucial for applications requiring broader spatial coverage.

Purpose of the Study:

To introduce a computational synthetic aperture integral imaging (SAII) technique.
To increase the effective FOV and viewing angle of integral imaging systems.
To enable 3D image reconstruction from the enhanced SAII.

Main Methods:

A synthetic aperture is generated through the relative movement of the imaging system and object perpendicular to the optical axis.
Integral images (IIs) captured during scanning are combined to form a synthetic aperture integral image (SAII).

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3D images are computed digitally from the SAII using light propagation methods.

Main Results:

The proposed method successfully enlarges the effective FOV of integral imaging systems.
The technique allows for digital 3D image computation from the SAII.
Reconstructed images can be positioned at arbitrary viewing planes via light backward or forward propagation.

Conclusions:

This is the first application of a computational synthetic aperture technique to integral imaging.
The method is suitable for dynamic platforms (e.g., aircraft) or moving objects (e.g., assembly lines).
The SAII technique offers a significant advancement in expanding the capabilities of integral imaging for 3D applications.