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  2. 3D projection - Wikipedia

    en.wikipedia.org/wiki/3D_projection

    A 3D projection (or graphical projection) is a design technique used to display a three-dimensional (3D) object on a two-dimensional (2D) surface. These projections rely on visual perspective and aspect analysis to project a complex object for viewing capability on a simpler plane.

  3. Planar projection - Wikipedia

    en.wikipedia.org/wiki/Planar_projection

    Planar projections are the subset of 3D graphical projections constructed by linearly mapping points in three-dimensional space to points on a two-dimensional projection plane. The projected point on the plane is chosen such that it is collinear with the corresponding three-dimensional point and the centre of projection .

  4. Camera matrix - Wikipedia

    en.wikipedia.org/wiki/Camera_matrix

    The mapping from the coordinates of a 3D point P to the 2D image coordinates of the point's projection onto the image plane, according to the pinhole camera model, is given by

  5. Pinhole camera model - Wikipedia

    en.wikipedia.org/wiki/Pinhole_camera_model

    A point P somewhere in the world at coordinate (,,) relative to the axes X1, X2, and X3. The projection line of point P into the camera. This is the green line which passes through point P and the point O. The projection of point P onto the image plane, denoted Q. This point is given by the intersection of the projection line (green) and the ...

  6. Epipolar geometry - Wikipedia

    en.wikipedia.org/wiki/Epipolar_geometry

    Points x L and x R are the projections of point X onto the image planes. Epipolar geometry. Each camera captures a 2D image of the 3D world. This conversion from 3D to 2D is referred to as a perspective projection and is described by the pinhole camera model. It is common to model this projection operation by rays that emanate from the camera ...

  7. Triangulation (computer vision) - Wikipedia

    en.wikipedia.org/wiki/Triangulation_(computer...

    The triangulation problem is in principle trivial. Since each point in an image corresponds to a line in 3D space, all points on the line in 3D are projected to the point in the image. If a pair of corresponding points in two, or more images, can be found it must be the case that they are the projection of a common 3D point x.

  8. Isometric projection - Wikipedia

    en.wikipedia.org/wiki/Isometric_projection

    The isometric transform from a point a x,y,z in 3D space to a point b x,y in 2D space looking ... This is then followed by an orthographic projection to the xy-plane: ...

  9. Multiview orthographic projection - Wikipedia

    en.wikipedia.org/wiki/Multiview_orthographic...

    The angled corner of the plane of projection is addressed later. Fig.3: Projectors emanate parallel from all points of the object, perpendicular to the plane of projection. Fig.4: An image is created thereby. Fig.5: A second, horizontal plane of projection is added, perpendicular to the first. Fig.6: Projectors emanate parallel from all points ...