forked from bartvdbraak/blender
Fix T44110: Plane track doesn't work when built with scons
For some reason recent change in avoiding non-aligned eigen vectors was behaving differently for cmake and scons. Made it a bit different now by storing scalars. This is more robust approach anyway, because it's not really guaranteed Mat.col() gives a pointer inside data, depending on column-major vs. row-major storage. This is to be backported to 2.74 branch.
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extern/libmv/libmv/multiview/homography.cc
vendored
25
extern/libmv/libmv/multiview/homography.cc
vendored
@ -179,8 +179,12 @@ void GetNormalizedPoints(const Mat &original_points,
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class HomographySymmetricGeometricCostFunctor {
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public:
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HomographySymmetricGeometricCostFunctor(const Vec2 &x,
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const Vec2 &y)
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: x_(x), y_(y) { }
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const Vec2 &y) {
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xx_ = x(0);
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xy_ = x(1);
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yx_ = y(0);
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yy_ = y(1);
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}
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template<typename T>
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bool operator()(const T *homography_parameters, T *residuals) const {
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@ -189,8 +193,8 @@ class HomographySymmetricGeometricCostFunctor {
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Mat3 H(homography_parameters);
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Vec3 x(T(x_(0)), T(x_(1)), T(1.0));
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Vec3 y(T(y_(0)), T(y_(1)), T(1.0));
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Vec3 x(T(xx_), T(xy_), T(1.0));
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Vec3 y(T(yx_), T(yy_), T(1.0));
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Vec3 H_x = H * x;
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Vec3 Hinv_y = H.inverse() * y;
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@ -199,18 +203,19 @@ class HomographySymmetricGeometricCostFunctor {
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Hinv_y /= Hinv_y(2);
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// This is a forward error.
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residuals[0] = H_x(0) - T(y_(0));
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residuals[1] = H_x(1) - T(y_(1));
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residuals[0] = H_x(0) - T(yx_);
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residuals[1] = H_x(1) - T(yy_);
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// This is a backward error.
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residuals[2] = Hinv_y(0) - T(x_(0));
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residuals[3] = Hinv_y(1) - T(x_(1));
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residuals[2] = Hinv_y(0) - T(xx_);
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residuals[3] = Hinv_y(1) - T(xy_);
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return true;
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}
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const Vec2 &x_;
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const Vec2 &y_;
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// TODO(sergey): Think of better naming.
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double xx_, xy_;
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double yx_, yy_;
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};
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// Termination checking callback used for homography estimation.
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