Design of a Single-Lens Freeform-Prism-Based Distortion-Free Stereovision System

Design of a Single-Lens Freeform-Prism-Based Distortion-Free Stereovision System

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Stereo vision can be achieved with short stem pipet a single camera aided by a flat-face prism.However, large optical distortions may be caused by irregular refraction.To mitigate this deficiency and minimize distortion, a new freeform prism design is proposed to replace the flat-face prism.All refracting surfaces magnolia parka of the prism are designed for freeform features, which can process object points at a large depth of field.

Differential equations are derived to express the freeform surface, and the Runge-Kutta method is used to numerically solve the differential equations.