add doc for AggregateLevel and ExpandLevel #2200
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| - :code:`SequenceType.NO_SEQUENCE` means the sample is not a sequence. | ||
| - :code:`SequenceType.SEQUENCE` means the sample is a sequence. | ||
| - :code:`SequenceType.SUB_SEQUENCE` means it is a nested sequence, that | ||
| each timestep of the input sequence is also a sequence. |
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SequenceType.SUB_SEQUENCE means the sample is a nested sequence, each timestep of which is also a sequence.
| - :code:`SequenceType.SUB_SEQUENCE` means it is a nested sequence, that | ||
| each timestep of the input sequence is also a sequence. | ||
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| Thus, AggregateLevel supports two modes: |
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Thus --> Accordingly,
我的理解是：支持三种序列 --> 针对这三种序列类型，对应有两种聚合方式。
而 Thus 是一种强因果关系。
| @@ -225,6 +225,24 @@ def is_layer_type(type_name): | |||
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| class AggregateLevel(object): | |||
| """ | |||
| As PaddlePaddle supports three sequence types: | |||
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As PaddlePaddle supports three sequence types --> PaddlePaddle supports three sequence types
去掉 As
| Thus, AggregateLevel supports two modes: | ||
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| - :code:`AggregateLevel.EACH_TIMESTEP` means the aggregation acts on each | ||
| timestep of sequence, both :code:`SUB_SEQUENCE` and :code:`SEQUENCE` will |
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means the aggregation acts on each timestep of sequence --> means the aggregation acts on each timestep of a sequence
| Accordingly, AggregateLevel supports two modes: | ||
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| - :code:`AggregateLevel.EACH_TIMESTEP` means the aggregation acts on each | ||
| timestep of a sequence, both :code:`SUB_SEQUENCE` and :code:`SEQUENCE` will |
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This actually aggregates over the whole sequence. Maybe change the name to TO_NON_SEUQNCE will be easier to understand.
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Got it, I will change the name in next PR.
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| ExpandLevel supports two modes: | ||
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| - :code:`ExpandLevel.FROM_TIMESTEP` means the expandation acts on each |
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expandation => expansion
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Got it, I will fix it in next PR.
| timestep of a sequence, :code:`NO_SEQUENCE` will be expanded to | ||
| :code:`SEQUENCE` or :code:`SUB_SEQUENCE`. | ||
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| - :code:`ExpandLevel.FROM_SEQUENCE` means the expandation acts on each |
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expandation=> expansion
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Got it, I will fix it in next PR.
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| - :code:`ExpandLevel.FROM_TIMESTEP` means the expandation acts on each | ||
| timestep of a sequence, :code:`NO_SEQUENCE` will be expanded to | ||
| :code:`SEQUENCE` or :code:`SUB_SEQUENCE`. |
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"acts on each timestep of a sequence" is not correct because the input for FROM_TIMESTEP is non-sequence. Perhaps we should consider change the name to FROM_NON_SEQUENCE.
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Got it, I will change the name in next PR.
| timestep of a sequence, both :code:`SUB_SEQUENCE` and :code:`SEQUENCE` will | ||
| be aggregated to :code:`NO_SEQUENCE`. | ||
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| - :code:`AggregateLevel.EACH_SEQUENCE` means the aggregation acts on each |
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Accordingly, TO_SEQUENCE will be easier to understand.
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Got it, I will change the name in next PR.
* fix bbox_num 0 after nms, test=dygraph * add copyright, test=dygraph
conf_helps.layers.AggregateLeveltoconf_helps.AggregateLevel.