def getImgIds(self, imgIds=[], catIds=[]):
        '''
        Get img ids that satisfy given filter conditions.
        :param imgIds (int array) : get imgs for given ids
        :param catIds (int array) : get imgs with all given cats
        :return: ids (int array)  : integer array of img ids
        '''
        imgIds = imgIds if _isArrayLike(imgIds) else [imgIds]
        catIds = catIds if _isArrayLike(catIds) else [catIds]

        if len(imgIds) == len(catIds) == 0:
            ids = self.imgs.keys()
        else:
            ids = set(imgIds)
            for i, catId in enumerate(catIds):
                if i == 0 and len(ids) == 0:
                    ids = set(self.catToImgs[catId])
                else:
                    ids &= set(self.catToImgs[catId])
        return list(ids)
def getImgIds ( self , imgIds = [ ] , catIds = [ ] ) : imgIds = imgIds if _isArrayLike ( imgIds ) else [ imgIds ] catIds = catIds if _isArrayLike ( catIds ) else [ catIds ] if len ( imgIds ) == len ( catIds ) == 0 : ids = self . imgs . keys ( ) else : ids = set ( imgIds ) for i , catId in enumerate ( catIds ) : if i == 0 and len ( ids ) == 0 : ids = set ( self . catToImgs [ catId ] ) else : ids &= set ( self . catToImgs [ catId ] ) return list ( ids )
Get img ids that satisfy given filter conditions.
        :param imgIds (int array) : get imgs for given ids
        :param catIds (int array) : get imgs with all given cats
        :return: ids (int array)  : integer array of img ids