75 lines
2.5 KiB
C++
75 lines
2.5 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 v4 {
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/// \brief CTCLoss operation.
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///
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/// \ingroup ov_ops_cpp_api
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class OPENVINO_API CTCLoss : public Op {
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public:
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OPENVINO_OP("CTCLoss", "opset4", op::Op);
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CTCLoss() = default;
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/// \brief Constructs a CTCLoss operation
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///
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/// \param logits 3-D tensor of logits
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/// \param logit_length 1-D tensor of length for each object from
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/// a batch
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/// \param labels 2-D tensor of labels for which likelyhood
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/// is estimated using logist
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/// \param label_length 1-D tensor of length for each label
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/// sequence
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/// \param blank_index Scalar used to mark a blank index
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/// \param preprocess_collapse_repeated Flag for preprocessing labels before loss
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/// calculation
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/// \param ctc_merge_repeated Flag for merging repeated characters in a
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/// potential alignment
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/// \param unique Flag to find unique elements in a target
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/// before matching with alignment
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CTCLoss(const Output<Node>& logits,
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const Output<Node>& logit_length,
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const Output<Node>& labels,
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const Output<Node>& label_length,
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const bool preprocess_collapse_repeated = false,
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const bool ctc_merge_repeated = true,
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const bool unique = false);
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CTCLoss(const Output<Node>& logits,
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const Output<Node>& logit_length,
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const Output<Node>& labels,
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const Output<Node>& label_length,
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const Output<Node>& blank_index,
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const bool preprocess_collapse_repeated = false,
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const bool ctc_merge_repeated = true,
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const bool unique = false);
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void validate_and_infer_types() override;
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bool visit_attributes(AttributeVisitor& visitor) override;
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std::shared_ptr<Node> clone_with_new_inputs(const OutputVector& new_args) const override;
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bool get_preprocess_collapse_repeated() const {
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return preprocess_collapse_repeated_;
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}
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bool get_ctc_merge_repeated() const {
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return ctc_merge_repeated_;
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}
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bool get_unique() const {
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return unique_;
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}
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private:
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bool preprocess_collapse_repeated_;
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bool ctc_merge_repeated_;
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bool unique_;
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};
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} // namespace v4
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} // namespace op
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} // namespace ov
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