本文整理匯總了Python中mmcv.slice_list方法的典型用法代碼示例。如果您正苦於以下問題：Python mmcv.slice_list方法的具體用法？Python mmcv.slice_list怎麽用？Python mmcv.slice_list使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類mmcv的用法示例。
在下文中一共展示了mmcv.slice_list方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: split_combined_polys
# 需要導入模塊: import mmcv [as 別名]
# 或者: from mmcv import slice_list [as 別名]
def split_combined_polys(polys, poly_lens, polys_per_mask):
"""Split the combined 1-D polys into masks.
A mask is represented as a list of polys, and a poly is represented as
a 1-D array. In dataset, all masks are concatenated into a single 1-D
tensor. Here we need to split the tensor into original representations.
Args:
polys (list): a list (length = image num) of 1-D tensors
poly_lens (list): a list (length = image num) of poly length
polys_per_mask (list): a list (length = image num) of poly number
of each mask
Returns:
list: a list (length = image num) of list (length = mask num) of
list (length = poly num) of numpy array
"""
mask_polys_list = []
for img_id in range(len(polys)):
polys_single = polys[img_id]
polys_lens_single = poly_lens[img_id].tolist()
polys_per_mask_single = polys_per_mask[img_id].tolist()
split_polys = mmcv.slice_list(polys_single, polys_lens_single)
mask_polys = mmcv.slice_list(split_polys, polys_per_mask_single)
mask_polys_list.append(mask_polys)
return mask_polys_list
# TODO: move this function to more proper place 示例2: split_combined_polys
# 需要導入模塊: import mmcv [as 別名]
# 或者: from mmcv import slice_list [as 別名]
def split_combined_polys(polys, poly_lens, polys_per_mask):
"""Split the combined 1-D polys into masks.
A mask is represented as a list of polys, and a poly is represented as
a 1-D array. In dataset, all masks are concatenated into a single 1-D
tensor. Here we need to split the tensor into original representations.
Args:
polys (list): a list (length = image num) of 1-D tensors
poly_lens (list): a list (length = image num) of poly length
polys_per_mask (list): a list (length = image num) of poly number
of each mask
Returns:
list: a list (length = image num) of list (length = mask num) of
list (length = poly num) of numpy array
"""
mask_polys_list = []
for img_id in range(len(polys)):
polys_single = polys[img_id]
polys_lens_single = poly_lens[img_id].tolist()
polys_per_mask_single = polys_per_mask[img_id].tolist()
split_polys = mmcv.slice_list(polys_single, polys_lens_single)
mask_polys = mmcv.slice_list(split_polys, polys_per_mask_single)
mask_polys_list.append(mask_polys)
return mask_polys_list 示例3: test_slice_list
# 需要導入模塊: import mmcv [as 別名]
# 或者: from mmcv import slice_list [as 別名]
def test_slice_list():
in_list = [1, 2, 3, 4, 5, 6]
assert mmcv.slice_list(in_list, [1, 2, 3]) == [[1], [2, 3], [4, 5, 6]]
assert mmcv.slice_list(in_list, [len(in_list)]) == [in_list]
with pytest.raises(TypeError):
mmcv.slice_list(in_list, 2.0)
with pytest.raises(ValueError):
mmcv.slice_list(in_list, [1, 2])