#! /usr/bin/python
# -*- coding: utf-8 -*-
from tensorlayer.layers.core import Layer
from tensorlayer import logging
from tensorlayer.decorators import deprecated_alias
from tensorlayer.lazy_imports import LazyImport
try:
roi_pooling = LazyImport("tensorlayer.third_party.roi_pooling.roi_pooling.roi_pooling_ops")
except Exception as e:
logging.error(e)
logging.error("HINT: 1. https://github.com/deepsense-ai/roi-pooling 2. tensorlayer/third_party/roi_pooling")
__all__ = [
'ROIPoolingLayer',
]
[docs]class ROIPoolingLayer(Layer):
"""
The region of interest pooling layer.
Parameters
-----------
prev_layer : :class:`Layer`
The previous layer.
rois : tuple of int
Regions of interest in the format of (feature map index, upper left, bottom right).
pool_width : int
The size of the pooling sections.
pool_width : int
The size of the pooling sections.
name : str
A unique layer name.
Notes
-----------
- This implementation is imported from `Deepsense-AI <https://github.com/deepsense-ai/roi-pooling>`__ .
- Please install it by the instruction `HERE <https://github.com/tensorlayer/tensorlayer/blob/master/tensorlayer/third_party/roi_pooling/README.md>`__.
"""
@deprecated_alias(layer='prev_layer', end_support_version=1.9) # TODO remove this line for the 1.9 release
def __init__(
self,
prev_layer,
rois,
pool_height=2,
pool_width=2,
name='roipooling_layer',
):
super(ROIPoolingLayer, self).__init__(prev_layer=prev_layer, name=name)
logging.info("ROIPoolingLayer %s: (%d, %d)" % (self.name, pool_height, pool_width))
self.outputs = roi_pooling(self.inputs, rois, pool_height, pool_width)
self._add_layers(self.outputs)