95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
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// Copyright (C) 2018-2025 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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//
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#pragma once
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#include "openvino/op/op.hpp"
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namespace ov {
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namespace op {
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namespace util {
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/// \brief Base class for operations MulticlassNMS v8 and MulticlassNMS
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/// v9.
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class OPENVINO_API MulticlassNmsBase : public Op {
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public:
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OPENVINO_OP("MulticlassNmsBase", "util");
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enum class SortResultType {
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CLASSID, // sort selected boxes by class id (ascending) in each batch element
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SCORE, // sort selected boxes by score (descending) in each batch element
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NONE // do not guarantee the order in each batch element
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};
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/// \brief Structure that specifies attributes of the operation
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struct Attributes {
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// specifies order of output elements
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SortResultType sort_result_type = SortResultType::NONE;
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// specifies whenever it is necessary to sort selected boxes across batches or
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// not
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bool sort_result_across_batch = false;
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// specifies the output tensor type
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ov::element::Type output_type = ov::element::i64;
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// specifies intersection over union threshold
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float iou_threshold = 0.0f;
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// specifies minimum score to consider box for the processing
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float score_threshold = 0.0f;
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// specifies maximum number of boxes to be selected per class, -1 meaning to
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// keep all boxes
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int nms_top_k = -1;
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// specifies maximum number of boxes to be selected per batch element, -1
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// meaning to keep all boxes
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int keep_top_k = -1;
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// specifies the background class id, -1 meaning to keep all classes
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int background_class = -1;
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// specifies eta parameter for adpative NMS, in close range [0, 1.0]
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float nms_eta = 1.0f;
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// specifies whether boxes are normalized or not
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bool normalized = true;
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};
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/// \brief Constructs a conversion operation.
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MulticlassNmsBase() = default;
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/// \brief Constructs a MulticlassNmsBase operation
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///
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/// \param arguments Node list producing the box coordinates, scores, etc.
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/// \param attrs Attributes of the operation
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MulticlassNmsBase(const OutputVector& arguments, const Attributes& attrs);
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bool visit_attributes(AttributeVisitor& visitor) override;
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/// \brief Returns attributes of the operation MulticlassNmsBase
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const Attributes& get_attrs() const {
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return m_attrs;
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}
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void set_attrs(Attributes attrs);
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void set_output_type(const element::Type& output_type) {
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m_attrs.output_type = output_type;
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}
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using Node::set_output_type;
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protected:
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Attributes m_attrs;
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void validate(); // helper
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};
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} // namespace util
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} // namespace op
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OPENVINO_API
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std::ostream& operator<<(std::ostream& s, const op::util::MulticlassNmsBase::SortResultType& type);
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template <>
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class OPENVINO_API AttributeAdapter<op::util::MulticlassNmsBase::SortResultType>
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: public EnumAttributeAdapterBase<op::util::MulticlassNmsBase::SortResultType> {
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public:
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AttributeAdapter(op::util::MulticlassNmsBase::SortResultType& value)
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: EnumAttributeAdapterBase<op::util::MulticlassNmsBase::SortResultType>(value) {}
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~AttributeAdapter() override;
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OPENVINO_RTTI("AttributeAdapter<ov::op::util::MulticlassNmsBase::SortResultType>");
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};
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} // namespace ov
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