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author | alexander <alexander.efremov@arm.com> | 2021-03-26 21:42:19 +0000 |
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committer | Kshitij Sisodia <kshitij.sisodia@arm.com> | 2021-03-29 16:29:55 +0100 |
commit | 3c79893217bc632c9b0efa815091bef3c779490c (patch) | |
tree | ad06b444557eb8124652b45621d736fa1b92f65d /source/application/main/include/Classifier.hpp | |
parent | 6ad6d55715928de72979b04194da1bdf04a4c51b (diff) | |
download | ml-embedded-evaluation-kit-3c79893217bc632c9b0efa815091bef3c779490c.tar.gz |
Opensource ML embedded evaluation kit21.03
Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd
Diffstat (limited to 'source/application/main/include/Classifier.hpp')
-rw-r--r-- | source/application/main/include/Classifier.hpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/source/application/main/include/Classifier.hpp b/source/application/main/include/Classifier.hpp new file mode 100644 index 0000000..510e6f9 --- /dev/null +++ b/source/application/main/include/Classifier.hpp @@ -0,0 +1,74 @@ +/* + * 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 CLASSIFIER_HPP +#define CLASSIFIER_HPP + +#include "ClassificationResult.hpp" +#include "TensorFlowLiteMicro.hpp" + +#include <vector> + +namespace arm { +namespace app { + + /** + * @brief Classifier - a helper class to get certain number of top + * results from the output vector from a classification NN. + **/ + class Classifier{ + public: + /** @brief Constructor. */ + Classifier() = default; + + /** + * @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. Default is 1. + * @return true if successful, false otherwise. + **/ + virtual bool GetClassificationResults( + TfLiteTensor* outputTensor, + std::vector<ClassificationResult>& vecResults, + const std::vector <std::string>& labels, uint32_t topNCount); + + private: + /** + * @brief Utility function that gets the top N classification results from the + * output vector. + * @tparam T value type + * @param[in] tensor Inference output tensor from an NN model. + * @param[out] vecResults A vector of classification results + * populated by this function. + * @param[in] topNCount Number of top classifications to pick. + * @param[in] labels Labels vector to match classified classes. + * @return true if successful, false otherwise. + **/ + template<typename T> + bool _GetTopNResults(TfLiteTensor* tensor, + std::vector<ClassificationResult>& vecResults, + uint32_t topNCount, + const std::vector <std::string>& labels); + }; + +} /* namespace app */ +} /* namespace arm */ + +#endif /* CLASSIFIER_HPP */ |