// Copy constructor
WImageView(const WImage<T>& img) : WImage<T>(0) {
header_ = *(img.Ipl());
WImage<T>::SetIpl(&header_);
}
// Copy the contents from another image which is just a convenience to cvCopy
void CopyFrom(const WImage<T>& src) { cvCopy(src.Ipl(), image_); }