Convenience class for performing various conversions between Mat, IplImage,
BufferedImage and Frame objects. Methods are synchronized because the
underlying JavaCV converters aren't safe for concurrent access.
All created Frame, Mat, IplImages and BufferedImages are cloned internally
after creation so that their memory locations remain valid after the
converters which created them are closed or garbage collected. This is safer
for the caller, but may be slower.
If performance is critical, use the *FrameConverter classes directly, after
reading about the image validity constraints (eg, images data is only valid
until next call to the converter).