'Load anns with the specified ids.
:param ids (int array)       : integer ids specifying anns
:return: anns (object array) : loaded ann objects'

def loadAnns(self, ids=[]):

    if (type(ids) == list):
        return [self.anns[id] for id in ids]
    elif (type(ids) == int):
        return [self.anns[ids]]
