Panoramic Imaging Systems and Optical Lens Design
Summary
Panoramic imaging systems have become indispensable tools across fields ranging from environmental monitoring to autonomous navigation, owing to their ability to capture an uninterrupted 360° horizontal field and, in many designs, substantial vertical coverage. Central to these systems is the optical lens design, where novel configurations such as panoramic annular lenses, catadioptric assemblies and freeform surfaces are engineered to correct aberrations, suppress stray light and maintain high resolution over an ultra-wide field of view. Advances in materials, computational lens optimisation and hybrid refractive–reflective geometries have led to compact form factors suitable for wearable devices and mobile robots, while emerging freeform and polarisation-based approaches support stereo vision and multi-channel imaging within a single optical train. Together, these developments underpin the global deployment of panoramic vision in applications from robotic perception to immersive virtual reality, offering improved spatial awareness, depth estimation and image quality in challenging environments.
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Panoramic Imaging Systems and Optical Lens Design publication trend
The graph below shows the total number of articles in panoramic imaging systems and optical lens design across all publications each year (not limited to Nature Index journals).
Technical terms
Field of view (FoV): The angular extent of the observable scene captured by an imaging system.
Modulation Transfer Function (MTF): A measure of the imaging system’s ability to reproduce contrast at different spatial frequencies.
Petzval sum: A parameter representing the total curvature of field in a multi-element lens design, critical for field-flatness correction.
Stray light: Unwanted light within an optical system that degrades image contrast and fidelity.
Panoramic annular lens (PAL): An optical assembly designed to provide a continuous annular field of view, typically via refractive and reflective elements.
References
- Compact and lightweight panoramic annular lens for computer vision tasks.. Optics Express (2022).
- Design of a compact triple-channel panoramic stereo imaging system.. Optics Express (2023).
- General design algorithm for stray light suppression of a panoramic annular system.. Optics Express (2023).
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