ComputationalGraphUpsample.h

#pragma once
 
#if _MSC_VER >= 1900 && defined(_M_X64)
 
#include "ComputationalGraph.h"
 
namespace FLImaging
{
    namespace AI
    {
        enum EUpsampleMode : int32_t
        {
            EUpsampleMode_Nearest = 0,
            EUpsampleMode_Bilinear,
            EUpsampleMode_Bicubic,
        };
 
        template <typename T>
        class FL_EXPORT CComputationalGraphUpsample : public CComputationalGraph<T>
        {
        private:
            CComputationalGraphUpsample();
 
        protected:
            CComputationalGraphUpsample(const CComputationalGraphUpsample<T>& cg);
 
        public:
            CComputationalGraphUpsample(const CComputationalBase<T>& cbOperand, T tScaleX, T tScaleY, EUpsampleMode eMode = EUpsampleMode_Nearest, bool bAlignCorner = false);
            CComputationalGraphUpsample(const CComputationalBase<T>& cbOperand, int64_t i64Width, int64_t i64Height, EUpsampleMode eMode = EUpsampleMode_Nearest, bool bAlignCorner = false);
 
            virtual ~CComputationalGraphUpsample();
 
            virtual CTensor<T>& Forward() override;
            virtual CTensor<T>* Backward() override;
            virtual CComputationalBase<T>* Clone() const override;
            virtual const std::vector<int64_t>& GetEstimatedShape(bool bRecursive = true) const override;
 
            virtual const CResult PrintNodeParamInfo() const override;
 
            virtual const CResult GetBinaryData(Base::CFLData& fldBinary, bool bSuperClass = false, int32_t i32Version = -1, bool bDumpMode = false) const override;
            virtual const CResult GetBinaryData(Base::CFLData* pFldBinary, bool bSuperClass = false, int32_t i32Version = -1, bool bDumpMode = false) const override;
 
            virtual const CResult SetBinaryData(const Base::CFLData& fldBinary, int64_t* pI64Offset = nullptr) override;
            virtual const CResult SetBinaryData(const Base::CFLData* pFldBinary, int64_t* pI64Offset = nullptr) override;
 
 
            DeclareGetClassType();
            SupportToDuplicateObjectWithoutCreateNewObject(CComputationalGraphUpsample, *this);
        protected:
            virtual const CResult Upsample(const CTensor<T>* pTsrInput, CTensor<T>* pTsrResult, EUpsampleMode eMode);
            virtual const CResult Derivative(bool bAddGradients);
        private:
            virtual const CResult UpsampleNearest(const CTensor<T>* pTsrX, CTensor<T>* pTsrY);
            virtual const CResult UpsampleBilinear(const CTensor<T>* pTsrX, CTensor<T>* pTsrY);
            virtual const CResult UpsampleBicubic(const CTensor<T>* pTsrX, CTensor<T>* pTsrY);
 
            virtual const CResult DerivativeNearest(const CTensor<T>* pTsrDy, CTensor<T>* pTsrDx);
            virtual const CResult DerivativeBilinear(const CTensor<T>* pTsrDy, CTensor<T>* pTsrDx);
            virtual const CResult DerivativeBicubic(const CTensor<T>* pTsrDy, CTensor<T>* pTsrDx);
 
        protected:
            T m_tScaleX;
            T m_tScaleY;
            int64_t m_i64Width;
            int64_t m_i64Height;
            EUpsampleMode m_eMode;
            bool m_bAlignCorner;
 
        public:
            DeclareGetSignletonObject(CComputationalGraphUpsample);
        };
 
        #define CCGFUpsample(...) (*(new CComputationalGraphUpsample<float>(__VA_ARGS__)))
        #define CCGDUpsample(...) (*(new CComputationalGraphUpsample<double>(__VA_ARGS__)))
 
        #define CCGTUpsample(T, ...) (*(new CComputationalGraphUpsample<T>(__VA_ARGS__)))
    }
}
 
#endif