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I have a new problem...as you can see, I create my projection matrix as described above.

For testing the triangulate function I take several chessboard images at different distances (for each about 2 or 3 cm difference).

But the farther away the chessboard the results are worse :( . Look at the bad x- and y-values.

The distance between the outer corner points are x: 96mm and y: 60mm

Example 1:

Example 2:

Can anyone help me?

I have a new problem...as you can see, I create my projection matrix as described above.

For testing The z value of the triangulation is not good. As you can see he is constantly increasing although I triangulate function I take several chessboard images at different distances (for each about 2 or 3 cm difference).

But the farther away reference chessboard. Normally, the chessboard the results are worse :( . Look at the bad x- and y-values.

The distance between the outer corner points are x: 96mm and y: 60mmZ value would still be 0

Example 1:Image

Example 2:

Can anyone help me?

I have a new problem...as you can see, I create my projection matrix as described above.

The z value of the triangulation is not good. As you can see he the z value is constantly increasing although I triangulate the reference chessboard. Normally, the Z value would still be 0

Image

Can anyone help me?