remove loading opencv manager
using float as qmatrix
QMatrix works now
adding software invert of matrix
convex quadratric fitting seems work... not pretty sure
fix some bugs of cqf and kde of annoying NaN
output information after search image
re-construct the files
support multi-threading
before change activity arch
fix a patch plotting bug
work for camera
correct some errors on camera live tracking
use back buffer to accelerate processing
some minor fixing