Examples with SONIC

As demonstration of a few applications of SONIC to real world OPNAV problem, the following example MATLAB live scripts were created.

• Create Scan Lines in Image: Demonstrates the generic ability to extract image values along a specified scanline, which is useful for horizon-based OPNAV.

• Generate Synthetic Star Image: Demonstrates creating a synthetic image of the star Arcturus, and its surrounding starfield in SONIC. Being able to construct an expected image is an essential operation for OPNAV.

• 3D Reconstruction of Vesta: Illustrates the use of the triangulation in SONIC to perform 3D structure reconstruction on the asteroid Vesta from features extracted in images. A few different approaches to triangulation are provided in SONIC, which can be used both for estimating the spacecraft state or reconstruction.

• Crater Rim Fitting: Perform crater ellipse fitting using an image of Ceres, as captured by the Dawn spacecraft.

• Reflectance Modeling: Demonstrate how to use reflectance models available under the sonic.Reflectance class.

• OrthoSphere Rendering with Reflectance Models: Demonstrate how to render orthographic projections of spheres with homogenous surfaces using reflectance models provided in SONIC.