Ejemplo n.º 1
0
RowVectorXd DataPackage::cutData(const RowVectorXd &originalData, int cutFront, int cutBack)
{
    if(originalData.cols()-cutFront-cutBack < 0 || cutFront>originalData.cols()) {
        qDebug()<<"DataPackage::cutData - cutFront or cutBack do not fit. Aborting mapping and returning original data.";
        RowVectorXd returnVec = originalData;
        return returnVec;
    }

    //Cut original data using segment
    return (RowVectorXd)originalData.segment(cutFront, originalData.cols()-cutFront-cutBack);
}
	virtual void Transform(_Out_ frame_view target_frame, _In_ const_frame_view source_frame, _In_ const_frame_view last_frame, float frame_time) override
	{
		//if (!g_UseVelocity)
		//{
		//	Transform(target_frame, source_frame);
		//	return;
		//}

		const auto& blocks = *pBlockArmature;

		int pvDim = inputExtractor.GetDimension(*blocks[0]);

		RowVectorXd X(g_UseVelocity ? pvDim * 2 : pvDim), Y;

		double semga = 1000;
		RowVectorXf yf;

		std::vector<RowVectorXd> Xabs;
		for (auto& block : blocks)
		{
			//X[0] *= 13;

			if (block->Index > 0 && block->ActiveActions.size() > 0)
			{
				auto& sik = pController->GetStylizedIK(block->Index);
				auto& gpr = sik.Gplvm();
				auto& joints = block->Joints;

				RowVectorXf xf = inputExtractor.Get(*block, source_frame);
				RowVectorXf xfl = inputExtractor.Get(*block, last_frame);

				yf = outputExtractor.Get(*block, target_frame);
				auto xyf = inputExtractor.Get(*block, target_frame);
				auto pDecoder = sik.getDecoder();
				auto baseRot = target_frame[block->parent()->Joints.back()->ID].GblRotation;
				sik.setBaseRotation(baseRot);
				sik.setChain(block->Joints, target_frame);

				//sik.SetGplvmWeight(block->Wx.cast<double>());

				//std::vector<DirectX::Quaternion, XMAllocator> corrrots(joints.size());
				//std::vector<DirectX::Quaternion, XMAllocator> rots(joints.size());

				//for (int i = 0; i < joints.size(); i++)
				//{
				//	corrrots[i] = target_frame[joints[i]->ID].LclRotation;
				//}

				//(*pDecoder)(rots.data(), yf.cast<double>());
				////outputExtractor.Set(*block, target_frame, yf);
				//auto ep = sik.EndPosition(reinterpret_cast<XMFLOAT4A*>(rots.data()));


				X.segment(0, pvDim) = xf.cast<double>();


				auto Xd = X.segment(0, pvDim);
				auto uXd = gpr.uX.segment(0, pvDim);

				//auto uXv = block->PdGpr.uX.segment<3>(3);
				//Xv = (Xv - uXv).array() * g_NoiseInterpolation.array() + uXv.array();

				Xd = (Xd - uXd).array();

				double varZ = (Xd.array() * (g_NoiseInterpolation.array() - 1.0)).cwiseAbs2().sum();
				// if no noise
				varZ = std::max(varZ, 1e-5);

				Xd = Xd.array() * g_NoiseInterpolation.array() + uXd.array();

				RowVector3d Xld = (xfl.cast<double>() - uXd).array() * g_NoiseInterpolation.array() + uXd.array();

				if (g_UseVelocity)
				{
					auto Xv = X.segment(pvDim, pvDim);
					Xv = (Xd - Xld) / (frame_time * g_FrameTimeScaleFactor);
				}

				xf = X.cast<float>();

				SetVisualizeHandle(block, xf);

				//m_Xs.row(block->Index) = X;
				Xabs.emplace_back(X);

				// Beyesian majarnlize over X
				//size_t detail = 3;
				//MatrixXd Xs(detail*2+1,g_PvDimension), Ys;
				//Xs = gaussian_sample(X, X, detail);

				//VectorXd Pxs = (Xs - X.replicate(detail * 2 + 1, 1)).cwiseAbs2().rowwise().sum();
				//Pxs = (-Pxs.array() / semga).exp();

				//VectorXd Py_xs = block->PdGpr.get_expectation_and_likelihood(Xs, &Ys);
				//Py_xs = (-Py_xs.array()).exp() * Pxs.array();
				//Py_xs /= Py_xs.sum();

				//Y = (Ys.array() * Py_xs.replicate(1, Ys.cols()).array()).colwise().sum();

				MatrixXd covObsr(g_PvDimension, g_PvDimension);
				covObsr.setZero();
				covObsr.diagonal() = g_NoiseInterpolation.replicate(1, g_PvDimension / 3).transpose() * varZ;

				//block->PdGpr.get_expectation_from_observation(X, covObsr, &Y);
				//block->PdGpr.get_expectation(X, &Y);
				//auto yc = yf;
				//yf = Y.cast<float>();
				//yf.array() *= block->Wx.cwiseInverse().array().transpose();

				//block->PdStyleIk.SetHint();
				if (!g_UseVelocity)
					Y = sik.apply(X.transpose(), baseRot).cast<double>();
				else
					Y = sik.apply(X.segment(0, pvDim).transpose(), Vector3d(X.segment(pvDim, pvDim).transpose()), baseRot).cast<double>();

				//block->PdStyleIk.SetGoal(X.leftCols<3>());

				//auto scoref = block->PdStyleIk.objective(X, yf.cast<double>());
				//auto scorec = block->PdStyleIk.objective(X, yc.cast<double>());
				//std::cout << "Gpr score : " << scoref << " ; Cannonical score : " << scorec << endl;
				//auto ep = sik.EndPosition(yf.cast<double>());

				//Y = yf.cast<double>();
				outputExtractor.Set(*block, target_frame, Y.cast<float>());
				for (int i = 0; i < block->Joints.size(); i++)
				{
					target_frame[block->Joints[i]->ID].UpdateGlobalData(target_frame[block->Joints[i]->parent()->ID]);
				}

				auto ep2 = target_frame[block->Joints.back()->ID].GblTranslation -
					target_frame[block->Joints[0]->parent()->ID].GblTranslation;

				//break;
			}
		}

		// Fill Xabpv
		if (g_EnableDependentControl)
		{
			RowVectorXd Xabpv;
			Xabpv.resize(pController->uXabpv.size());
			int i = 0;
			for (const auto& xab : Xabs)
			{
				auto Yi = Xabpv.segment(i, xab.size());
				Yi = xab;
				i += xab.size();
			}

			auto _x = (Xabpv.cast<float>() - pController->uXabpv) * pController->XabpvT;
			auto _xd = _x.cast<double>().eval();

			for (auto& block : blocks)
			{
				if (block->ActiveActions.size() == 0 && block->SubActiveActions.size() > 0)
				{

					auto& sik = pController->GetStylizedIK(block->Index);
					auto& gpr = sik.Gplvm();

					auto lk = gpr.get_expectation_and_likelihood(_xd, &Y);

					yf = Y.cast<float>();
					//yf *= block->Wx.cwiseInverse().asDiagonal();

					outputExtractor.Set(*block, target_frame, yf);
				}

			}
		}

		target_frame[0].LclTranslation = source_frame[0].LclTranslation;
		target_frame[0].GblTranslation = source_frame[0].GblTranslation;
		FrameRebuildGlobal(*m_tArmature, target_frame);
	}