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Introduction

Lassy is a C++ library useful for interrogating the image around an object of interest using surface normal analysis. This is performed using point or vertex normal profiles of the surface mesh.

In a typical use case, a surface of the 3D object of interest is generated. The surface normal intensity profiles are then used for interrogating the 3D image around the object of interest.

A simple example application of this library would be to interrograte the image around an organ or anatomical structure in a medical 3D image. There are special applications in cardiac imaging for which this library was built, especially to interrogate the image around chambers of the heart.