SparseMatClear Method OpenCvSharp Class Library
sets all the sparse matrix elements to 0, which means clearing the hash table.

Namespace:  OpenCvSharp.CPlusPlus
Assembly:  OpenCvSharp.CPlusPlus (in OpenCvSharp.CPlusPlus.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
Copy
public void Clear()
See Also

Reference

SparseMat Class
OpenCvSharp.CPlusPlus Namespace