Added threshold to connected regions search

Signed-off-by: Luiz Carlos Cavalcanti <cavalcanti.luiz@gmail.com>
cleaning sysout message

Signed-off-by: Luiz Carlos Cavalcanti <cavalcanti.luiz@gmail.com>
Stupid search for all regions on a image over a certain threshold

Signed-off-by: Luiz Carlos Cavalcanti <cavalcanti.luiz@gmail.com>