| /* |
| * Copyright (c) 2021 Arm Limited. All rights reserved. |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * 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 ASR_CLASSIFIER_HPP |
| #define ASR_CLASSIFIER_HPP |
| |
| #include "Classifier.hpp" |
| |
| namespace arm { |
| namespace app { |
| |
| class AsrClassifier : public Classifier { |
| public: |
| /** |
| * @brief Gets the top N classification results from the |
| * output vector. |
| * @param[in] outputTensor Inference output tensor from an NN model. |
| * @param[out] vecResults A vector of classification results |
| * populated by this function. |
| * @param[in] labels Labels vector to match classified classes |
| * @param[in] topNCount Number of top classifications to pick. |
| * @param[in] use_softmax Whether softmax scaling should be applied to model output. |
| * @return true if successful, false otherwise. |
| **/ |
| bool GetClassificationResults( |
| TfLiteTensor* outputTensor, |
| std::vector<ClassificationResult>& vecResults, |
| const std::vector <std::string>& labels, uint32_t topNCount, |
| bool use_softmax = false) override; |
| |
| private: |
| |
| /** |
| * @brief Utility function that gets the top 1 classification results from the |
| * output tensor (vector of vector). |
| * @param[in] tensor Inference output tensor from an NN model. |
| * @param[out] vecResults A vector of classification results |
| * populated by this function. |
| * @param[in] labels Labels vector to match classified classes. |
| * @param[in] scale Quantization scale. |
| * @param[in] zeroPoint Quantization zero point. |
| * @return true if successful, false otherwise. |
| **/ |
| template<typename T> |
| bool GetTopResults(TfLiteTensor* tensor, |
| std::vector<ClassificationResult>& vecResults, |
| const std::vector <std::string>& labels, double scale, double zeroPoint); |
| }; |
| |
| } /* namespace app */ |
| } /* namespace arm */ |
| |
| #endif /* ASR_CLASSIFIER_HPP */ |