This distribution contains source code for a simple object tracking program using particle filtering. You need to have the OpenCV Library and the GNU Scientific Library (GSL) installed to compile and use the programs. See the below two links:-T

Keeps track of files awaiting deletion, and deletes them when an associated marker object is reclaimed by the garbage collector.

This sets and tracks the vertex attribute array state. It is used internally by GrGLVertexArray (below) but is separate because it is also used to track the state of vertex array object 0.

Android-OpenCV Object-Tracking