chore: import upstream snapshot with attribution

2026-07-13 13:33:03 +08:00
commit 5b57521aa1
8226 changed files with 3425766 additions and 0 deletions
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+//
+//  CPUDetectionPostProcess.hpp
+//  MNN
+//
+//  Created by MNN on 2019/10/29.
+//  Copyright © 2018, Alibaba Group Holding Limited
+
+#ifndef CPUDetectionPostProcess_hpp
+#define CPUDetectionPostProcess_hpp
+
+#include "core/Execution.hpp"
+#include "MNN_generated.h"
+
+namespace MNN {
+
+/*
+ DetectionPostProcess
+ This implementation reference from tflite detection_postprocess
+ you can get ssd model from here:
+ https://github.com/tensorflow/models/blob/master/research/object_detection/g3doc/running_on_mobile_tensorflowlite.md
+ */
+
+struct BoxCornerEncoding {
+    float ymin;
+    float xmin;
+    float ymax;
+    float xmax;
+};
+
+struct CenterSizeEncoding {
+    float y;
+    float x;
+    float h;
+    float w;
+};
+
+class CPUDetectionPostProcess : public Execution {
+public:
+    CPUDetectionPostProcess(Backend *bn, const MNN::Op *op);
+    virtual ~CPUDetectionPostProcess() = default;
+    virtual ErrorCode onResize(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) override;
+    virtual ErrorCode onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) override;
+
+private:
+    DetectionPostProcessParamT mParam;
+
+    std::shared_ptr<Tensor> mDecodedBoxes;
+};
+
+} // namespace MNN
+
+#endif /* CPUDetectionPostProcess_hpp */