sources/libs/nvmultiobjecttracker/include/modules/ReID/EnsembleReID.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2023-2026 NVIDIA CORPORATION & AFFILIATES. 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 REIDLIB_ENSEMBLEREID_HPP_
#define REIDLIB_ENSEMBLEREID_HPP_
 
#include "modules/ReID/IReID.hpp"
#include "modules/ReID/ReID.hpp"
#include "modules/VisualTracker/IVisualTracker.hpp"
#include "modules/NvMultiObjectTracker/NvTrackerParams.hpp"
#include "modules/NvMultiObjectTracker/NvTrackedObject.hpp"
 
class EnsembleReIDConfigParams : public NvTrackerParams
{
public:
    EnsembleReIDConfigParams();
 
    EnsembleReIDConfigParams(const std::string &configFilePath, const std::string moduleName);
 
    EnsembleReIDConfigParams(const YAML::Node &fn);
 
    void read(const YAML::Node &fn) override;
 
    int m_debugVerboseLevel; 
    int m_enableModelId; 
    std::set<std::string> m_modelNameList; 
    REID_TYPES m_reidType; 
};
 
class EnsembleReID : public IReID
{
public:
 
    EnsembleReID(const std::string &configFilePath);
 
    virtual ~EnsembleReID();
 
    void initializeRuntime(
        const SourceFrameInfo &frameInfo, const uint maxTargetsPerStream,
        const std::shared_ptr<NvTrackedObjectManager> &targetManager
    ) override;
 
    void initializeModel() override;
 
    void queryParams(NvMOTQuery &paramsQuery);
 
    void doInference(
        const std::map<NvMOTStreamId, NvMOTFrame *>& inputMeta,
        std::map<NvMOTStreamId, std::deque<DetectedObjInfo>> &detectedObjects, const bool isForReAssoc
    ) override;
 
    void update() override;
 
    void removeStream(const NvMOTStreamId videoStreamId) override;
 
    void outputReIDTensor(NvDsReidTensorBatch& reidTensorBatch) override;
 
    int outputTargetReIDInd(NvMOTStreamId streamId, uint targetInd) override;
 
    void outputTargetReIDObj(
        NvMOTStreamId streamId, uint targetInd, NvDsReidTensorBatch& reidTensorBatch, NvDsObjReid& reidObj
    ) override;
 
    bool isModelInitialized() override { return m_isModelInit; }
 
    bool isRuntimeInitialized() override { return m_isRuntimeInit; }
 
    const REID_TYPES getReIDType() override { return m_params.m_reidType; }
 
protected:
    void fuseReIDSimilarity(
        const std::map<NvMOTStreamId, NvMOTFrame *>& inputMeta,
        std::map<NvMOTStreamId, std::deque<DetectedObjInfo>> &detectedObjects
    );
 
    std::vector<float> reidSimilarityFunc(
        const std::vector<std::vector<float>> & confidenceListReidDets, const uint numDets
    );
 
    bool m_isModelInit; 
    bool m_isRuntimeInit; 
    EnsembleReIDConfigParams m_params; 
    std::vector<ReID> m_reidList; 
    std::shared_ptr<NvTrackedObjectManager> m_targetManager; 
    uint m_maxTargetsPerStream; 
};
 
#endif // REIDLIB_ENSEMBLEREID_HPP_