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Curved retina-like camera array imaging system with adjustable super-resolution fovea.

Huan Cui, Qun Hao, Jie Cao

|March 10, 2021

Summary

We developed a novel curved retina-like camera array imaging system (CRCS) for efficient, wide-field imaging. This system provides adjustable super-resolution and reduces data redundancy, enhancing image clarity for distant targets.

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Area of Science:

Optics and Vision Science
Computer Vision
Imaging Systems Engineering

Background:

Traditional imaging systems often struggle to balance wide field of view with high resolution.
Achieving efficient, non-uniform imaging and adjustable super-resolution remains a challenge.
Existing systems may suffer from significant data redundancy.

Purpose of the Study:

To introduce a novel curved retina-like camera array imaging system (CRCS).
To enable non-uniform imaging with a large field of view and high efficiency.
To achieve an adjustable fovea with super-resolution capabilities.

Main Methods:

Construction of an eight-camera array distributed non-uniformly on a curved surface.
Integration of a central camera coaxial with Risley prisms.
Implementation of non-uniform imaging principles for data acquisition.

Main Results:

The developed prototype achieved a wide field of view of 150°×40°.
Data redundancy was reduced by an significant 87.62% through non-uniform imaging.
Clear and sharp images of distant targets within the fovea field of view were obtained with constant focal length.

Conclusions:

The curved retina-like camera array imaging system (CRCS) effectively addresses limitations of traditional imaging.
CRCS demonstrates high efficiency, a large field of view, and adjustable super-resolution.
The system shows promise for applications requiring detailed imaging of distant objects within a broad visual range.