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/*
* Copyright (c) 2019 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "arm_compute/graph/nodes/DetectionPostProcessLayerNode.h"
#include "arm_compute/core/Utils.h"
#include "arm_compute/graph/Graph.h"
#include "arm_compute/graph/INodeVisitor.h"
#include "arm_compute/graph/Utils.h"
namespace arm_compute
{
namespace graph
{
DetectionPostProcessLayerNode::DetectionPostProcessLayerNode(DetectionPostProcessLayerInfo detection_info)
: _info(detection_info)
{
_input_edges.resize(3, EmptyEdgeID);
_outputs.resize(4, NullTensorID);
}
DetectionPostProcessLayerInfo DetectionPostProcessLayerNode::detection_post_process_info() const
{
return _info;
}
bool DetectionPostProcessLayerNode::forward_descriptors()
{
if((input_id(0) != NullTensorID) && (input_id(1) != NullTensorID) && (input_id(2) != NullTensorID) && (output_id(0) != NullTensorID) && (output_id(1) != NullTensorID)
&& (output_id(2) != NullTensorID) && (output_id(3) != NullTensorID))
{
for(unsigned int i = 0; i < 4; ++i)
{
Tensor *dst = output(i);
ARM_COMPUTE_ERROR_ON(dst == nullptr);
dst->desc() = configure_output(i);
}
return true;
}
return false;
}
TensorDescriptor DetectionPostProcessLayerNode::configure_output(size_t idx) const
{
ARM_COMPUTE_UNUSED(idx);
ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
TensorDescriptor output_desc;
const unsigned int num_detected_box = _info.max_detections() * _info.max_classes_per_detection();
switch(idx)
{
case 0:
// Configure boxes output
output_desc.shape = TensorShape(kNumCoordBox, num_detected_box, kBatchSize);
break;
case 1:
case 2:
// Configure classes or scores output
output_desc.shape = TensorShape(num_detected_box, kBatchSize);
break;
case 3:
// Configure num_detection
output_desc.shape = TensorShape(1);
break;
default:
ARM_COMPUTE_ERROR("Unsupported output index");
}
output_desc.data_type = DataType::F32;
return output_desc;
}
NodeType DetectionPostProcessLayerNode::type() const
{
return NodeType::DetectionPostProcessLayer;
}
void DetectionPostProcessLayerNode::accept(INodeVisitor &v)
{
v.visit(*this);
}
} // namespace graph
} // namespace arm_compute
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