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PaddleSpeech/paddlespeech/s2t/decoders/ctcdecoder/swig/ctc_greedy_decoder.h

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// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CTC_GREEDY_DECODER_H
#define CTC_GREEDY_DECODER_H
#include <string>
#include <vector>
/* CTC Greedy (Best Path) Decoder
*
* Parameters:
* probs_seq: 2-D vector that each element is a vector of probabilities
* over vocabulary of one time step.
* vocabulary: A vector of vocabulary.
* Return:
* The decoding result in string
*/
std::string ctc_greedy_decoder(
const std::vector<std::vector<double>>& probs_seq,
const std::vector<std::string>& vocabulary,
size_t blank_id);
#endif // CTC_GREEDY_DECODER_H