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Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

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Ultra-wide angle panoramic imaging system based on a multiplexed reflective surface.

Fang Ke, Shaohua Gao, Jian Bai

|September 14, 2023

Summary

This study introduces an ultra-wide angle panoramic imaging system using a novel multiplexed reflective surface. The system achieves a 360° field of view with good image quality, simplifying manufacturing for enhanced panoramic perception.

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Area of Science:

Optics and Photonics
Imaging Systems
Optical Engineering

Background:

Panoramic imaging systems are crucial for applications requiring wide field of view (FoV) perception.
Existing systems often face challenges with complexity, manufacturing, and achieving uniform image quality across the entire FoV.
The development of advanced optical designs is essential for overcoming these limitations.

Purpose of the Study:

To propose and analyze an ultra-wide angle panoramic imaging system.
To demonstrate the effectiveness of a multiplexed reflective surface for capturing wide FoV images.
To provide a practical and manufacturable solution for panoramic imaging.

Main Methods:

Design of an optical system incorporating a multiplexed reflective surface within a panoramic head unit (PHU).
Integration of a relay lens group to process reflected light from both glass and air interfaces.
Analysis of system performance, including field of view, f-number, image quality, and tolerance requirements.

Main Results:

Achieved an ultra-wide field of view of 360° × (35°-120°).
Demonstrated good image quality and relative illumination across the entire FoV with an f-number of four.
The system exhibits loose tolerance requirements and a diameter ratio of 7.2, simplifying manufacturing and assembly.

Conclusions:

The proposed optical system architecture offers a promising solution for panoramic perception.
The use of a multiplexed reflective surface effectively captures front and rear view channels.
This design facilitates easier manufacturing and assembly for wide FoV panoramic imaging applications.